Refactoring document handling

The document handling in the qml designer was complicated source
code, which was initially intended for a non creator application.
To integrate new views it has to be changed and cleaned up. This
is the first major step in that direction.

Change-Id: Ie26f0aad7a03946d18bdb4c0759b246c5439d922
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
Reviewed-by: Alessandro Portale <alessandro.portale@digia.com>

src/plugins/qmldesigner/components/componentcore/designeractionmanager.cpp

@@ -186,6 +186,11 @@ public:
         m_designerActionList = designerActionList;
     }
 
+    QWidget *widget()
+    {
+        return 0;
+    }
+
 protected:
     void setupContext()
     {

src/plugins/qmldesigner/components/componentcore/modelnodecontextmenu_helper.cpp

@@ -35,12 +35,13 @@
 #include <bindingproperty.h>
 #include <nodeproperty.h>
 #include <designmodewidget.h>
+#include <qmldesignerplugin.h>
 
 namespace QmlDesigner {
 
-static inline DesignDocumentController* designDocumentController()
+static inline DesignDocument* currentDesignDocument()
 {
-    return Internal::DesignModeWidget::instance()->currentDesignDocumentController();
+    return QmlDesignerPlugin::instance()->documentManager().currentDesignDocument();
 }
 
 static inline bool checkIfNodeIsAView(const ModelNode &node)
@@ -103,14 +104,14 @@ static inline bool modelNodeIsComponent(const ModelNode &node)
     if (!node.isValid() || !node.metaInfo().isValid())
         return false;
 
-    if (node.metaInfo().isComponent())
+    if (node.metaInfo().isFileComponent())
         return true;
 
     if (node.nodeSourceType() == ModelNode::NodeWithComponentSource)
         return true;
     if (checkIfNodeIsAView(node) &&
         node.hasNodeProperty("delegate")) {
-        if (node.nodeProperty("delegate").modelNode().metaInfo().isComponent())
+        if (node.nodeProperty("delegate").modelNode().metaInfo().isFileComponent())
             return true;
         if (node.nodeProperty("delegate").modelNode().nodeSourceType() == ModelNode::NodeWithComponentSource)
             return true;
@@ -156,12 +157,12 @@ static inline bool isFileComponent(const ModelNode &node)
     if (!node.isValid() || !node.metaInfo().isValid())
         return false;
 
-    if (node.metaInfo().isComponent())
+    if (node.metaInfo().isFileComponent())
         return true;
 
     if (checkIfNodeIsAView(node) &&
         node.hasNodeProperty("delegate")) {
-        if (node.nodeProperty("delegate").modelNode().metaInfo().isComponent())
+        if (node.nodeProperty("delegate").modelNode().metaInfo().isFileComponent())
             return true;
     }
 
@@ -170,21 +171,23 @@ static inline bool isFileComponent(const ModelNode &node)
 
 static inline void openFileForComponent(const ModelNode &node)
 {
+    QmlDesignerPlugin::instance()->viewManager().nextFileIsCalledInternally();
+
     //int width = 0;
     //int height = 0;
     QHash<QString, QVariant> propertyHash;
-    if (node.metaInfo().isComponent()) {
+    if (node.metaInfo().isFileComponent()) {
         //getWidthHeight(node, width, height);
         getProperties(node, propertyHash);
-        designDocumentController()->changeToExternalSubComponent(node.metaInfo().componentFileName());
+        currentDesignDocument()->changeToExternalSubComponent(node.metaInfo().componentFileName());
     } else if (checkIfNodeIsAView(node) &&
                node.hasNodeProperty("delegate") &&
-               node.nodeProperty("delegate").modelNode().metaInfo().isComponent()) {
+               node.nodeProperty("delegate").modelNode().metaInfo().isFileComponent()) {
         //getWidthHeight(node, width, height);
         getProperties(node, propertyHash);
-        designDocumentController()->changeToExternalSubComponent(node.nodeProperty("delegate").modelNode().metaInfo().componentFileName());
+        currentDesignDocument()->changeToExternalSubComponent(node.nodeProperty("delegate").modelNode().metaInfo().componentFileName());
     }
-    ModelNode rootModelNode = designDocumentController()->model()->rewriterView()->rootModelNode();
+    ModelNode rootModelNode = currentDesignDocument()->rewriterView()->rootModelNode();
     applyProperties(rootModelNode, propertyHash);
     //rootModelNode.setAuxiliaryData("width", width);
     //rootModelNode.setAuxiliaryData("height", height);
@@ -192,10 +195,11 @@ static inline void openFileForComponent(const ModelNode &node)
 
 static inline void openInlineComponent(const ModelNode &node)
 {
+
     if (!node.isValid() || !node.metaInfo().isValid())
         return;
 
-    if (!designDocumentController())
+    if (!currentDesignDocument())
         return;
 
     QHash<QString, QVariant> propertyHash;
@@ -203,27 +207,27 @@ static inline void openInlineComponent(const ModelNode &node)
     if (node.nodeSourceType() == ModelNode::NodeWithComponentSource) {
         //getWidthHeight(node, width, height);
         getProperties(node, propertyHash);
-        designDocumentController()->changeToSubComponent(node);
+        currentDesignDocument()->changeToSubComponent(node);
     } else if (checkIfNodeIsAView(node) &&
                node.hasNodeProperty("delegate")) {
         if (node.nodeProperty("delegate").modelNode().nodeSourceType() == ModelNode::NodeWithComponentSource) {
             //getWidthHeight(node, width, height);
             getProperties(node, propertyHash);
-            designDocumentController()->changeToSubComponent(node.nodeProperty("delegate").modelNode());
+            currentDesignDocument()->changeToSubComponent(node.nodeProperty("delegate").modelNode());
         }
     }
 
-    ModelNode rootModelNode = designDocumentController()->model()->rewriterView()->rootModelNode();
+    ModelNode rootModelNode = currentDesignDocument()->rewriterView()->rootModelNode();
     applyProperties(rootModelNode, propertyHash);
     //rootModelNode.setAuxiliaryData("width", width);
     //rootModelNode.setAuxiliaryData("height", height);
 }
 
 namespace ComponentUtils {
-
 void goIntoComponent(const ModelNode &modelNode)
 {
     if (modelNode.isValid() && modelNodeIsComponent(modelNode)) {
+        QmlDesignerPlugin::instance()->viewManager().setComponentNode(modelNode);
         if (isFileComponent(modelNode))
             openFileForComponent(modelNode);
         else

src/plugins/qmldesigner/components/formeditor/formeditor.pri

@@ -32,7 +32,8 @@ SOURCES += formeditoritem.cpp \
     zoomaction.cpp \
     formeditorgraphicsview.cpp \
     numberseriesaction.cpp \
-    lineeditaction.cpp
+    lineeditaction.cpp \
+    formeditorcrumblebar.cpp
 HEADERS += formeditorscene.h \
     formeditorwidget.h \
     formeditoritem.h \
@@ -63,5 +64,6 @@ HEADERS += formeditorscene.h \
     zoomaction.h \
     formeditorgraphicsview.h \
     numberseriesaction.h \
-    lineeditaction.h
+    lineeditaction.h \
+    formeditorcrumblebar.h
 RESOURCES += formeditor.qrc

src/plugins/qmldesigner/components/formeditor/formeditorcrumblebar.cpp

@@ -0,0 +1,123 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "formeditorcrumblebar.h"
+
+#include "qmldesignerplugin.h"
+
+#include <QVariant>
+#include <QtDebug>
+
+namespace QmlDesigner {
+
+FormEditorCrumbleBar::FormEditorCrumbleBar(QObject *parent) :
+    QObject(parent),
+    m_isInternalCalled(false),
+    m_crumblePath(new Utils::CrumblePath)
+{
+    connect(m_crumblePath,
+            SIGNAL(elementClicked(QVariant)),
+            this,
+            SLOT(onCrumblePathElementClicked(QVariant)));
+}
+
+void FormEditorCrumbleBar::pushFile(const QString &fileName)
+{
+    if (m_isInternalCalled == false)
+        crumblePath()->clear();
+
+    CrumbleBarInfo crumbleBarInfo;
+    crumbleBarInfo.fileName = fileName;
+
+    crumblePath()->pushElement(fileName.split("/").last(), QVariant::fromValue(crumbleBarInfo));
+
+    m_isInternalCalled = false;
+}
+
+static DesignDocument *currentDesignDocument()
+{
+    return QmlDesignerPlugin::instance()->documentManager().currentDesignDocument();
+}
+
+void FormEditorCrumbleBar::pushInFileComponent(const QString &componentId)
+{
+    CrumbleBarInfo crumbleBarInfo;
+    crumbleBarInfo.componentId = componentId;
+    crumbleBarInfo.fileName = currentDesignDocument()->textEditor()->document()->fileName();
+
+    CrumbleBarInfo lastElementCrumbleBarInfo = crumblePath()->dataForLastIndex().value<CrumbleBarInfo>();
+
+    if (!lastElementCrumbleBarInfo.componentId.isEmpty())
+        crumblePath()->popElement();
+
+    crumblePath()->pushElement(componentId, QVariant::fromValue(crumbleBarInfo));
+}
+
+void FormEditorCrumbleBar::nextFileIsCalledInternally()
+{
+    m_isInternalCalled = true;
+}
+
+Utils::CrumblePath *FormEditorCrumbleBar::crumblePath()
+{
+    return m_crumblePath;
+}
+
+void FormEditorCrumbleBar::onCrumblePathElementClicked(const QVariant &data)
+{
+    CrumbleBarInfo crumbleBarInfo = data.value<CrumbleBarInfo>();
+
+    if (crumbleBarInfo == crumblePath()->dataForLastIndex().value<CrumbleBarInfo>())
+        return;
+
+    while (crumbleBarInfo != crumblePath()->dataForLastIndex().value<CrumbleBarInfo>())
+        crumblePath()->popElement();
+
+    if (!crumbleBarInfo.componentId.isEmpty())
+        crumblePath()->popElement();
+
+    crumblePath()->popElement();
+
+    m_isInternalCalled = true;
+    Core::EditorManager::openEditor(crumbleBarInfo.fileName);
+    if (!crumbleBarInfo.componentId.isEmpty())
+        currentDesignDocument()->changeToSubComponent(currentDesignDocument()->rewriterView()->modelNodeForId(crumbleBarInfo.componentId));
+}
+
+bool operator ==(const CrumbleBarInfo &first, const CrumbleBarInfo &second)
+{
+    return first.fileName == second.fileName && first.componentId == second.componentId;
+}
+
+bool operator !=(const CrumbleBarInfo &first, const CrumbleBarInfo &second)
+{
+    return first.fileName != second.fileName || first.componentId != second.componentId;
+}
+
+} // namespace QmlDesigner

src/plugins/qmldesigner/components/formeditor/formeditorcrumblebar.h

@@ -0,0 +1,73 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef QMLDESIGNER_FORMEDITORCRUMBLEBAR_H
+#define QMLDESIGNER_FORMEDITORCRUMBLEBAR_H
+
+#include <QObject>
+#include <utils/crumblepath.h>
+
+namespace QmlDesigner {
+
+
+
+class FormEditorCrumbleBar : public QObject
+{
+    Q_OBJECT
+public:
+    explicit FormEditorCrumbleBar(QObject *parent = 0);
+
+    void pushFile(const QString &fileName);
+    void pushInFileComponent(const QString &componentId);
+
+    void nextFileIsCalledInternally();
+
+    Utils::CrumblePath *crumblePath();
+
+private slots:
+    void onCrumblePathElementClicked(const QVariant &data);
+
+private:
+    bool m_isInternalCalled;
+    Utils::CrumblePath *m_crumblePath;
+};
+
+class CrumbleBarInfo {
+public:
+    QString fileName;
+    QString componentId;
+};
+
+bool operator ==(const CrumbleBarInfo &first, const CrumbleBarInfo &second);
+bool operator !=(const CrumbleBarInfo &first, const CrumbleBarInfo &second);
+} // namespace QmlDesigner
+
+Q_DECLARE_METATYPE(QmlDesigner::CrumbleBarInfo)
+
+#endif // QMLDESIGNER_FORMEDITORCRUMBLEBAR_H

src/plugins/qmldesigner/components/formeditor/formeditoritem.cpp

@@ -317,6 +317,9 @@ void FormEditorItem::paintPlaceHolderForInvisbleItem(QPainter *painter) const
 
 void FormEditorItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
 {
+    if (!painter->isActive())
+        return;
+
     if (!qmlItemNode().isValid())
         return;
 

src/plugins/qmldesigner/components/formeditor/formeditorscene.cpp

@@ -65,7 +65,6 @@ FormEditorScene::FormEditorScene(FormEditorWidget *view, FormEditorView *editorV
     setupScene();
     view->setScene(this);
     setItemIndexMethod(QGraphicsScene::NoIndex);
-    setSceneRect(-canvasWidth()/2., -canvasHeight()/2., canvasWidth(), canvasHeight());
 }
 
 FormEditorScene::~FormEditorScene()
@@ -100,13 +99,13 @@ FormEditorItem* FormEditorScene::itemForQmlItemNode(const QmlItemNode &qmlItemNo
 
 double FormEditorScene::canvasWidth() const
 {
-    DesignerSettings settings = Internal::BauhausPlugin::pluginInstance()->settings();
+    DesignerSettings settings = QmlDesignerPlugin::instance()->settings();
     return settings.canvasWidth;
 }
 
 double FormEditorScene::canvasHeight() const
 {
-    DesignerSettings settings = Internal::BauhausPlugin::pluginInstance()->settings();
+    DesignerSettings settings = QmlDesignerPlugin::instance()->settings();
     return settings.canvasHeight;
 }
 
@@ -217,6 +216,7 @@ FormEditorItem *FormEditorScene::addFormEditorItem(const QmlItemNode &qmlItemNod
 
     m_qmlItemNodeItemHash.insert(qmlItemNode, formEditorItem);
     if (qmlItemNode.isRootNode()) {
+        setSceneRect(-canvasWidth()/2., -canvasHeight()/2., canvasWidth(), canvasHeight());
         formLayerItem()->update();
         manipulatorLayerItem()->update();
     }

src/plugins/qmldesigner/components/formeditor/formeditorview.cpp

@@ -68,9 +68,9 @@ FormEditorView::FormEditorView(QObject *parent)
       m_currentTool(m_selectionTool),
       m_transactionCounter(0)
 {
-    connect(widget()->zoomAction(), SIGNAL(zoomLevelChanged(double)), SLOT(updateGraphicsIndicators()));
+    connect(formEditorWidget()->zoomAction(), SIGNAL(zoomLevelChanged(double)), SLOT(updateGraphicsIndicators()));
-    connect(widget()->showBoundingRectAction(), SIGNAL(toggled(bool)), scene(), SLOT(setShowBoundingRects(bool)));
+    connect(formEditorWidget()->showBoundingRectAction(), SIGNAL(toggled(bool)), scene(), SLOT(setShowBoundingRects(bool)));
-    connect(widget()->selectOnlyContentItemsAction(), SIGNAL(toggled(bool)), this, SLOT(setSelectOnlyContentItemsAction(bool)));
+    connect(formEditorWidget()->selectOnlyContentItemsAction(), SIGNAL(toggled(bool)), this, SLOT(setSelectOnlyContentItemsAction(bool)));
 
 }
 
@@ -267,9 +267,13 @@ void FormEditorView::bindingPropertiesChanged(const QList<BindingProperty>& prop
     QmlModelView::bindingPropertiesChanged(propertyList, propertyChange);
 }
 
-FormEditorWidget *FormEditorView::widget() const
+QWidget *FormEditorView::widget()
+{
+    return m_formEditorWidget.data();
+}
+
+FormEditorWidget *FormEditorView::formEditorWidget()
 {
-    Q_ASSERT(!m_formEditorWidget.isNull());
     return m_formEditorWidget.data();
 }
 
@@ -453,8 +457,8 @@ void FormEditorView::instanceInformationsChange(const QMultiHash<ModelNode, Info
         if (qmlItemNode.isValid() && scene()->hasItemForQmlItemNode(qmlItemNode)) {
             scene()->synchronizeTransformation(qmlItemNode);
             if (qmlItemNode.isRootModelNode() && informationChangeHash.values(node).contains(Size)) {
-                widget()->setRootItemRect(qmlItemNode.instanceBoundingRect());
+                formEditorWidget()->setRootItemRect(qmlItemNode.instanceBoundingRect());
-                widget()->centerScene();
+                formEditorWidget()->centerScene();
             }
 
             itemNodeList.append(scene()->itemForQmlItemNode(qmlItemNode));
@@ -588,13 +592,6 @@ void FormEditorView::actualStateChanged(const ModelNode &node)
     QmlModelState newQmlModelState(node);
 }
 
-Utils::CrumblePath *FormEditorView::crumblePath() const
-{
-    if (widget() && widget()->toolBox())
-        return widget()->toolBox()->crumblePath();
-    return 0;
-}
-
 void FormEditorView::reset()
 {
    QTimer::singleShot(200, this, SLOT(delayedReset()));

src/plugins/qmldesigner/components/formeditor/formeditorview.h

@@ -61,7 +61,7 @@ class  FormEditorView : public QmlModelView
     Q_OBJECT
 
 public:
-    FormEditorView(QObject *parent);
+    FormEditorView(QObject *parent = 0);
     ~FormEditorView();
 
     // AbstractView
@@ -85,7 +85,8 @@ public:
     void propertiesRemoved(const QList<AbstractProperty> &propertyList);
 
     // FormEditorView
-    FormEditorWidget *widget() const;
+    QWidget *widget();
+    FormEditorWidget *formEditorWidget();
     AbstractFormEditorTool *currentTool() const;
     FormEditorScene *scene() const;
 
@@ -117,8 +118,6 @@ public:
 
     void actualStateChanged(const ModelNode &node);
 
-    Utils::CrumblePath *crumblePath() const;
-
 protected:
     void reset();
 

src/plugins/qmldesigner/components/formeditor/formeditorwidget.cpp

@@ -241,6 +241,11 @@ void FormEditorWidget::setFocus()
     m_graphicsView->setFocus(Qt::OtherFocusReason);
 }
 
+FormEditorCrumbleBar *FormEditorWidget::formEditorCrumbleBar() const
+{
+    return toolBox()->formEditorCrumbleBar();
+}
+
 ZoomAction *FormEditorWidget::zoomAction() const
 {
     return m_zoomAction.data();
@@ -295,13 +300,13 @@ ToolBox *FormEditorWidget::toolBox() const
 
 double FormEditorWidget::spacing() const
 {
-    DesignerSettings settings = Internal::BauhausPlugin::pluginInstance()->settings();
+    DesignerSettings settings = QmlDesignerPlugin::instance()->settings();
     return settings.itemSpacing;
 }
 
 double FormEditorWidget::margins() const
 {
-    DesignerSettings settings = Internal::BauhausPlugin::pluginInstance()->settings();
+    DesignerSettings settings = QmlDesignerPlugin::instance()->settings();
     return settings.snapMargin;
 }
 

src/plugins/qmldesigner/components/formeditor/formeditorwidget.h

@@ -32,6 +32,8 @@
 
 #include <QWidget>
 
+#include "formeditorcrumblebar.h"
+
 QT_BEGIN_NAMESPACE
 class QActionGroup;
 QT_END_NAMESPACE
@@ -78,6 +80,8 @@ public:
 
     void setFocus();
 
+    FormEditorCrumbleBar *formEditorCrumbleBar() const;
+
 protected:
     void wheelEvent(QWheelEvent *event);
     QActionGroup *toolActionGroup() const;

src/plugins/qmldesigner/components/formeditor/movetool.cpp

@@ -106,8 +106,8 @@ void MoveTool::mouseMoveEvent(const QList<QGraphicsItem*> &itemList,
             }
         }
 
-        bool shouldSnapping = view()->widget()->snappingAction()->isChecked();
+        bool shouldSnapping = view()->formEditorWidget()->snappingAction()->isChecked();
-        bool shouldSnappingAndAnchoring = view()->widget()->snappingAndAnchoringAction()->isChecked();
+        bool shouldSnappingAndAnchoring = view()->formEditorWidget()->snappingAndAnchoringAction()->isChecked();
 
         MoveManipulator::Snapping useSnapping = MoveManipulator::NoSnapping;
         if (event->modifiers().testFlag(Qt::ControlModifier) != (shouldSnapping || shouldSnappingAndAnchoring)) {

src/plugins/qmldesigner/components/formeditor/resizetool.cpp

@@ -77,8 +77,8 @@ void ResizeTool::mouseMoveEvent(const QList<QGraphicsItem*> &,
                                            QGraphicsSceneMouseEvent *event)
 {
     if (m_resizeManipulator.isActive()) {
-        bool shouldSnapping = view()->widget()->snappingAction()->isChecked();
+        bool shouldSnapping = view()->formEditorWidget()->snappingAction()->isChecked();
-        bool shouldSnappingAndAnchoring = view()->widget()->snappingAndAnchoringAction()->isChecked();
+        bool shouldSnappingAndAnchoring = view()->formEditorWidget()->snappingAndAnchoringAction()->isChecked();
 
         ResizeManipulator::Snapping useSnapping = ResizeManipulator::NoSnapping;
         if (event->modifiers().testFlag(Qt::ControlModifier) != (shouldSnapping || shouldSnappingAndAnchoring)) {

src/plugins/qmldesigner/components/formeditor/toolbox.cpp

@@ -44,19 +44,20 @@ namespace QmlDesigner {
 ToolBox::ToolBox(QWidget *parentWidget)
     : Utils::StyledBar(parentWidget),
   m_leftToolBar(new QToolBar("LeftSidebar", this)),
-  m_rightToolBar(new QToolBar("RightSidebar", this))
+  m_rightToolBar(new QToolBar("RightSidebar", this)),
+  m_formEditorCrumbleBar(new FormEditorCrumbleBar(this))
 {
     setMaximumHeight(44);
     setSingleRow(false);
     QFrame *frame = new QFrame(this);
-    m_crumblePath = new Utils::CrumblePath(frame);
     frame->setStyleSheet("background-color: #4e4e4e;");
     frame->setFrameShape(QFrame::NoFrame);
     QHBoxLayout *layout = new QHBoxLayout(frame);
     layout->setMargin(0);
     layout->setSpacing(0);
     frame->setLayout(layout);
-    layout->addWidget(m_crumblePath);
+    qDebug() << __FUNCTION__;
+    layout->addWidget(m_formEditorCrumbleBar->crumblePath());
     frame->setProperty("panelwidget", true);
     frame->setProperty("panelwidget_singlerow", false);
     QVBoxLayout *verticalLayout = new QVBoxLayout(this);
@@ -126,9 +127,9 @@ QList<QAction*> ToolBox::actions() const
     return QList<QAction*>() << m_leftToolBar->actions() << m_rightToolBar->actions();
 }
 
-Utils::CrumblePath *ToolBox::crumblePath() const
+FormEditorCrumbleBar *ToolBox::formEditorCrumbleBar() const
 {
-    return m_crumblePath;
+    return m_formEditorCrumbleBar;
 }
 
 } // namespace QmlDesigner

src/plugins/qmldesigner/components/formeditor/toolbox.h

@@ -32,6 +32,8 @@
 
 #include "utils/styledbar.h"
 
+#include "formeditorcrumblebar.h"
+
 QT_BEGIN_NAMESPACE
 class QToolBar;
 QT_END_NAMESPACE
@@ -51,13 +53,12 @@ public:
     void addLeftSideAction(QAction *action);
     void addRightSideAction(QAction *action);
     QList<QAction*> actions() const;
-    Utils::CrumblePath *crumblePath() const;
+    FormEditorCrumbleBar *formEditorCrumbleBar() const;
-
 
 private:
     QToolBar *m_leftToolBar;
     QToolBar *m_rightToolBar;
-    Utils::CrumblePath *m_crumblePath;
+    FormEditorCrumbleBar *m_formEditorCrumbleBar;
 };
 
 } // namespace QmlDesigner

src/plugins/qmldesigner/components/integration/componentaction.cpp

@@ -32,7 +32,8 @@
 #include <QComboBox>
 #include "componentview.h"
 #include <QStandardItemModel>
-#include <QDebug>
+#include <qmldesignerplugin.h>
+#include <modelnode.h>
 
 namespace QmlDesigner {
 
@@ -42,9 +43,9 @@ ComponentAction::ComponentAction(ComponentView  *componentView)
 {
 }
 
-void ComponentAction::setCurrentIndex(int i)
+void ComponentAction::setCurrentIndex(int index)
 {
-    emit currentIndexChanged(i);
+    emit currentIndexChanged(index);
 }
 
 QWidget  *ComponentAction::createWidget(QWidget *parent)
@@ -59,9 +60,21 @@ QWidget  *ComponentAction::createWidget(QWidget *parent)
     return comboBox;
 }
 
+static const QString fileNameOfCurrentDocument()
+{
+    return QmlDesignerPlugin::instance()->documentManager().currentDesignDocument()->textEditor()->document()->fileName();
+}
+
 void ComponentAction::emitCurrentComponentChanged(int index)
 {
-    emit currentComponentChanged(m_componentView->modelNode(index));
+    ModelNode componentNode = m_componentView->modelNode(index);
+
+    if ( index > 0)
+        QmlDesignerPlugin::instance()->viewManager().pushInFileComponentOnCrambleBar(componentNode.id());
+    else
+         QmlDesignerPlugin::instance()->viewManager().pushFileOnCrambleBar(fileNameOfCurrentDocument());
+
+    emit currentComponentChanged(componentNode);
 }
 
 } // namespace QmlDesigner

src/plugins/qmldesigner/components/integration/componentaction.h

@@ -48,16 +48,17 @@ class ComponentAction : public QWidgetAction
     Q_OBJECT
 public:
     ComponentAction(ComponentView  *componentView);
-    void setCurrentIndex(int);
+    void setCurrentIndex(int index);
+
 
 protected:
     QWidget  *createWidget(QWidget *parent);
 
 signals:
     void currentComponentChanged(const ModelNode &node);
-    void currentIndexChanged(int);
+    void currentIndexChanged(int index);
 
-private slots:
+public slots:
     void emitCurrentComponentChanged(int index);
 
 private:

src/plugins/qmldesigner/components/integration/componentview.cpp

@@ -34,6 +34,7 @@
 #include <nodemetainfo.h>
 #include <nodeabstractproperty.h>
 #include <QStandardItemModel>
+#include <QAbstractItemView>
 
 // silence gcc warnings about unused parameters
 
@@ -46,8 +47,6 @@ ComponentView::ComponentView(QObject *parent)
 {
 }
 
-
-
 void ComponentView::nodeAboutToBeRemoved(const ModelNode &removedNode)
 {
     removeSingleNodeFromList(removedNode);
@@ -74,6 +73,11 @@ void ComponentView::setComponentNode(const ModelNode &node)
     m_componentAction->setCurrentIndex(indexForNode(node));
 }
 
+QWidget *ComponentView::widget()
+{
+    return 0;
+}
+
 void ComponentView::appendWholeDocumentAsComponent()
 {
     QStandardItem *item = new QStandardItem(tr("whole document"));
@@ -110,7 +114,6 @@ void ComponentView::modelAttached(Model *model)
 
     AbstractView::modelAttached(model);
 
-    Q_ASSERT(model->masterModel());
     appendWholeDocumentAsComponent();
     searchForComponentAndAddToList(rootModelNode());
 

src/plugins/qmldesigner/components/integration/componentview.h

@@ -37,6 +37,7 @@
 
 QT_BEGIN_NAMESPACE
 class QStandardItemModel;
+class QComboBox;
 QT_END_NAMESPACE
 
 namespace QmlDesigner {
@@ -53,7 +54,7 @@ public:
         ModelNodeRole = Qt::UserRole
     };
 
-    ComponentView(QObject *parent);
+    ComponentView(QObject *parent = 0);
 
     void modelAttached(Model *model);
     void modelAboutToBeDetached(Model *model);
@@ -106,6 +107,8 @@ public:
 
     void setComponentNode(const ModelNode &node);
 
+    QWidget *widget();
+
 signals:
     void componentListChanged(const QStringList &componentList);
 
@@ -118,6 +121,7 @@ private: //functions
     int indexForNode(const ModelNode &node);
 
 private:
+    QList<QComboBox*> m_comboBoxList;
     QStandardItemModel *m_standardItemModel;
     ComponentAction *m_componentAction;
 };

src/plugins/qmldesigner/components/integration/designdocument.cpp

@@ -0,0 +1,793 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "designdocument.h"
+#include "designdocumentview.h"
+#include "xuifiledialog.h"
+#include "componentview.h"
+
+#include <itemlibrarywidget.h>
+#include <formeditorwidget.h>
+#include <toolbox.h>
+#include <metainfo.h>
+#include <invalidargumentexception.h>
+#include <componentaction.h>
+#include <designeractionmanager.h>
+#include <qmlobjectnode.h>
+#include <rewritingexception.h>
+#include <nodelistproperty.h>
+#include <variantproperty.h>
+#include <rewritingexception.h>
+#include <modelnodeoperations.h>
+#include <qmldesignerplugin.h>
+
+#include <projectexplorer/projectexplorer.h>
+#include <projectexplorer/project.h>
+#include <projectexplorer/target.h>
+#include <qmlprojectmanager/qmlprojectrunconfiguration.h>
+#include <qtsupport/qtkitinformation.h>
+#include <qtsupport/qtsupportconstants.h>
+#include <qtsupport/qtversionmanager.h>
+#include <utils/crumblepath.h>
+#include <utils/fileutils.h>
+
+#include <QCoreApplication>
+#include <QDir>
+#include <QFile>
+#include <QFileInfo>
+#include <QUrl>
+#include <QProcess>
+#include <QTemporaryFile>
+#include <QDebug>
+#include <QEvent>
+
+#include <QBoxLayout>
+#include <QComboBox>
+#include <QErrorMessage>
+#include <QFileDialog>
+#include <QLabel>
+#include <QMdiArea>
+#include <QMdiSubWindow>
+#include <QMessageBox>
+#include <QUndoStack>
+#include <QPlainTextEdit>
+#include <QApplication>
+
+enum {
+    debug = false
+};
+
+namespace QmlDesigner {
+
+
+bool DesignDocument::s_clearCrumblePath = true;
+bool DesignDocument::s_pushCrumblePath = true;
+
+
+/**
+  \class QmlDesigner::DesignDocument
+
+  DesignDocument acts as a facade to a model representing a qml document,
+  and the different views/widgets accessing it.
+  */
+DesignDocument::DesignDocument(QObject *parent) :
+        QObject(parent),
+        m_documentModel(Model::create("QtQuick.Item", 1, 0)),
+        m_inFileComponentModel(Model::create("QtQuick.Item", 1, 0)),
+        m_currentModel(m_documentModel),
+        m_subComponentManager(new SubComponentManager(m_documentModel.data(), this)),
+        m_rewriterView (new RewriterView(RewriterView::Amend, m_documentModel.data())),
+        m_documentLoaded(false),
+        m_qtVersionId(-1)
+{
+    updateActiveQtVersion();
+}
+
+DesignDocument::~DesignDocument()
+{
+    delete m_documentModel.data();
+    delete m_inFileComponentModel.data();
+
+    delete rewriterView();
+
+    delete m_inFileComponentTextModifier.data();
+    delete m_documentTextModifier.data();
+}
+
+Model *DesignDocument::currentModel() const
+{
+    return m_currentModel.data();
+}
+
+Model *DesignDocument::documentModel() const
+{
+    return m_documentModel.data();
+}
+
+void DesignDocument::changeToDocumentModel()
+{
+    viewManager().detachRewriterView();
+    viewManager().detachViewsExceptRewriterAndComponetView();
+
+    m_currentModel = m_documentModel;
+
+    viewManager().attachRewriterView(m_documentTextModifier.data());
+    viewManager().attachViewsExceptRewriterAndComponetView();
+}
+
+void DesignDocument::changeToInFileComponentModel()
+{
+    viewManager().detachRewriterView();
+    viewManager().detachViewsExceptRewriterAndComponetView();
+
+    m_currentModel = m_inFileComponentModel;
+
+    viewManager().attachRewriterView(m_inFileComponentTextModifier.data());
+    viewManager().attachViewsExceptRewriterAndComponetView();
+}
+
+QWidget *DesignDocument::centralWidget() const
+{
+    return qobject_cast<QWidget*>(parent());
+}
+
+QString DesignDocument::pathToQt() const
+{
+    QtSupport::BaseQtVersion *activeQtVersion = QtSupport::QtVersionManager::instance()->version(m_qtVersionId);
+    if (activeQtVersion && (activeQtVersion->qtVersion() >= QtSupport::QtVersionNumber(4, 7, 1))
+            && (activeQtVersion->type() == QLatin1String(QtSupport::Constants::DESKTOPQT)
+                || activeQtVersion->type() == QLatin1String(QtSupport::Constants::SIMULATORQT)))
+        return activeQtVersion->qmakeProperty("QT_INSTALL_DATA");
+
+    return QString();
+}
+
+const ViewManager &DesignDocument::viewManager() const
+{
+    return QmlDesignerPlugin::instance()->viewManager();
+}
+
+ViewManager &DesignDocument::viewManager()
+{
+    return QmlDesignerPlugin::instance()->viewManager();
+}
+
+static ComponentTextModifier *createComponentTextModifier(TextModifier *originalModifier,
+                                                          RewriterView *rewriterView,
+                                                          const QString &componentText,
+                                                          const ModelNode &componentNode)
+{
+    bool explicitComponent = componentText.contains("Component");
+
+    ModelNode rootModelNode = rewriterView->rootModelNode();
+
+    int componentStartOffset;
+    int componentEndOffset;
+
+    int rootStartOffset = rewriterView->nodeOffset(rootModelNode);
+
+    if (explicitComponent) { //the component is explciit we have to find the first definition inside
+        componentStartOffset = rewriterView->firstDefinitionInsideOffset(componentNode);
+        componentEndOffset = componentStartOffset + rewriterView->firstDefinitionInsideLength(componentNode);
+    } else { //the component is implicit
+        componentStartOffset = rewriterView->nodeOffset(componentNode);
+        componentEndOffset = componentStartOffset + rewriterView->nodeLength(componentNode);
+    }
+
+    return new ComponentTextModifier (originalModifier, componentStartOffset, componentEndOffset, rootStartOffset);
+}
+
+bool DesignDocument::loadSubComponent(const ModelNode &componentNode)
+{
+    QString componentText = rewriterView()->extractText(QList<ModelNode>() << componentNode).value(componentNode);
+
+    if (componentText.isEmpty())
+        return false;
+
+    if (!componentNode.isRootNode()) {
+        Q_ASSERT(m_currentModel == m_documentModel);
+        //change to subcomponent model
+        if (m_inFileComponentTextModifier)
+            delete m_inFileComponentTextModifier.data();
+
+        m_inFileComponentTextModifier = createComponentTextModifier(m_documentTextModifier.data(), rewriterView(), componentText, componentNode);
+
+        changeToInFileComponentModel();
+    }
+
+    return true;
+}
+
+/*!
+  Returns any errors that happened when parsing the latest qml file.
+  */
+QList<RewriterView::Error> DesignDocument::qmlSyntaxErrors() const
+{
+    return m_rewriterView->errors();
+}
+
+bool DesignDocument::hasQmlSyntaxErrors() const
+{
+    return !m_currentModel->rewriterView()->errors().isEmpty();
+}
+
+QString DesignDocument::displayName() const
+{
+    return fileName();
+}
+
+QString DesignDocument::simplfiedDisplayName() const
+{
+    if (rootModelNode().id().isEmpty()) {
+        return rootModelNode().id();
+    } else {
+        return rootModelNode().simplifiedTypeName();
+    }
+
+    QStringList list = displayName().split(QLatin1Char('/'));
+    return list.last();
+}
+
+void DesignDocument::updateFileName(const QString & /*oldFileName*/, const QString &newFileName)
+{
+    if (m_documentModel)
+        m_documentModel->setFileUrl(QUrl::fromLocalFile(newFileName));
+
+    if (m_inFileComponentModel)
+        m_inFileComponentModel->setFileUrl(QUrl::fromLocalFile(newFileName));
+
+    viewManager().setItemLibraryViewResourcePath(QFileInfo(newFileName).absolutePath());
+
+    emit displayNameChanged(displayName());
+}
+
+QString DesignDocument::fileName() const
+{
+    return editor()->document()->fileName();
+}
+
+int DesignDocument::qtVersionId() const
+{
+    return m_qtVersionId;
+}
+
+bool DesignDocument::isDocumentLoaded() const
+{
+    return m_documentLoaded;
+}
+
+void DesignDocument::resetToDocumentModel()
+{
+    m_currentModel = m_documentModel;
+    m_rewriterView->setTextModifier(m_documentTextModifier.data());
+}
+
+QList<RewriterView::Error> DesignDocument::loadDocument(QPlainTextEdit *edit)
+{
+    Q_CHECK_PTR(edit);
+
+    connect(edit, SIGNAL(undoAvailable(bool)),
+            this, SIGNAL(undoAvailable(bool)));
+    connect(edit, SIGNAL(redoAvailable(bool)),
+            this, SIGNAL(redoAvailable(bool)));
+    connect(edit, SIGNAL(modificationChanged(bool)),
+            this, SIGNAL(dirtyStateChanged(bool)));
+
+    m_documentTextModifier = new BaseTextEditModifier(dynamic_cast<TextEditor::BaseTextEditorWidget*>(plainTextEdit()));
+
+    m_inFileComponentTextModifier.clear();
+
+    //masterModel = Model::create(textModifier, searchPath, errors);
+
+    updateFileName(QString(), fileName());
+
+    m_subComponentManager->update(QUrl::fromLocalFile(fileName()), m_currentModel->imports());
+
+    activateCurrentModel(m_documentTextModifier.data());
+
+    return rewriterView()->errors();
+}
+
+void DesignDocument::changeCurrentModelTo(const ModelNode &node)
+{
+    if (QmlDesignerPlugin::instance()->currentDesignDocument() != this)
+        return;
+
+    if (rootModelNode() == node) {
+        changeToDocumentModel();
+    } else {
+        changeToSubComponent(node);
+    }
+
+
+
+//    s_clearCrumblePath = false;
+//    while (m_formEditorView->crumblePath()->dataForLastIndex().value<CrumbleBarInfo>().modelNode.isValid() &&
+//        !m_formEditorView->crumblePath()->dataForLastIndex().value<CrumbleBarInfo>().modelNode.isRootNode())
+//        m_formEditorView->crumblePath()->popElement();
+//    if (node.isRootNode() && m_formEditorView->crumblePath()->dataForLastIndex().isValid())
+//        m_formEditorView->crumblePath()->popElement();
+//    s_clearCrumblePath = true;
+}
+
+void DesignDocument::changeToSubComponent(const ModelNode &componentNode)
+{
+    Q_ASSERT(m_documentModel);
+    QWeakPointer<Model> oldModel = m_currentModel;
+    Q_ASSERT(oldModel.data());
+
+    if (m_currentModel == m_inFileComponentModel) {
+        changeToDocumentModel();
+    }
+
+    bool subComponentLoaded = loadSubComponent(componentNode);
+
+    if (subComponentLoaded) {
+        Q_ASSERT(m_documentModel);
+        Q_ASSERT(m_currentModel);
+
+        activateCurrentModel(m_inFileComponentTextModifier.data());
+    }
+}
+
+void DesignDocument::changeToExternalSubComponent(const QString &fileName)
+{
+    Core::EditorManager::openEditor(fileName);
+}
+
+void DesignDocument::goIntoComponent()
+{
+    if (!m_currentModel)
+        return;
+
+    QList<ModelNode> selectedNodes;
+    if (rewriterView())
+        selectedNodes = rewriterView()->selectedModelNodes();
+
+    s_clearCrumblePath = false;
+    if (selectedNodes.count() == 1) {
+        qDebug() << __FUNCTION__ << selectedNodes.first();
+
+        viewManager().setComponentNode(selectedNodes.first());
+        ModelNodeOperations::goIntoComponent(selectedNodes.first());
+    }
+
+    s_clearCrumblePath = true;
+}
+
+void DesignDocument::activateCurrentModel(TextModifier *textModifier)
+{
+    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
+
+    Q_ASSERT(m_documentModel);
+    Q_ASSERT(m_currentModel);
+
+    if (!plainTextEdit()->parent()) // hack to prevent changing owner of external text edit
+        m_stackedWidget->addWidget(plainTextEdit());
+
+    viewManager().attachRewriterView(textModifier);
+
+//    if (s_clearCrumblePath)
+//        m_formEditorView->crumblePath()->clear();
+
+//    if (s_pushCrumblePath &&
+//            !differentCrumbleBarOnTop(m_formEditorView.data(), createCrumbleBarInfo().value<CrumbleBarInfo>()))
+//        m_formEditorView->crumblePath()->pushElement(simplfiedDisplayName(), createCrumbleBarInfo());
+
+    m_documentLoaded = true;
+    m_subComponentManager->update(QUrl::fromLocalFile(fileName()), m_currentModel->imports());
+    Q_ASSERT(m_documentModel);
+    QApplication::restoreOverrideCursor();
+}
+
+void DesignDocument::activateCurrentModel()
+{
+    if (currentModel() == documentModel())
+        activateCurrentModel(m_documentTextModifier.data());
+    else
+        activateCurrentModel(m_inFileComponentTextModifier.data());
+}
+
+void DesignDocument::activateDocumentModel()
+{
+    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
+
+    Q_ASSERT(m_documentModel);
+    Q_ASSERT(m_currentModel);
+
+    if (!plainTextEdit()->parent()) // hack to prevent changing owner of external text edit
+        m_stackedWidget->addWidget(plainTextEdit());
+
+    m_currentModel = m_documentModel;
+    m_documentLoaded = true;
+    m_subComponentManager->update(QUrl::fromLocalFile(fileName()), m_currentModel->imports());
+    Q_ASSERT(m_documentModel);
+    QApplication::restoreOverrideCursor();
+}
+
+bool DesignDocument::isUndoAvailable() const
+{
+
+    if (plainTextEdit())
+        return plainTextEdit()->document()->isUndoAvailable();
+    return false;
+}
+
+bool DesignDocument::isRedoAvailable() const
+{
+    if (plainTextEdit())
+        return plainTextEdit()->document()->isRedoAvailable();
+    return false;
+}
+
+void DesignDocument::close()
+{
+    m_documentLoaded = false;
+    emit designDocumentClosed();
+}
+
+void DesignDocument::deleteSelected()
+{
+    if (!m_currentModel)
+        return;
+
+    try {
+        RewriterTransaction transaction(rewriterView());
+        QList<ModelNode> toDelete = rewriterView()->selectedModelNodes();
+        foreach (ModelNode node, toDelete) {
+            if (node.isValid() && !node.isRootNode() && QmlObjectNode(node).isValid())
+                QmlObjectNode(node).destroy();
+        }
+
+    } catch (RewritingException &e) {
+        QMessageBox::warning(0, tr("Error"), e.description());
+    }
+}
+
+void DesignDocument::copySelected()
+{
+    QScopedPointer<Model> copyModel(Model::create("QtQuick.Rectangle", 1, 0, currentModel()));
+    copyModel->setFileUrl(currentModel()->fileUrl());
+    copyModel->changeImports(currentModel()->imports(), QList<Import>());
+
+    Q_ASSERT(copyModel);
+
+    DesignDocumentView view;
+
+    m_currentModel->attachView(&view);
+
+    if (view.selectedModelNodes().isEmpty())
+        return;
+
+    QList<ModelNode> selectedNodes(view.selectedModelNodes());
+
+    foreach (const ModelNode &node, selectedNodes) {
+        foreach (const ModelNode &node2, selectedNodes) {
+            if (node.isAncestorOf(node2))
+                selectedNodes.removeAll(node2);
+        }
+    }
+
+    if (selectedNodes.count() == 1) {
+        ModelNode selectedNode(selectedNodes.first());
+
+        if (!selectedNode.isValid())
+            return;
+
+        m_currentModel->detachView(&view);
+
+        copyModel->attachView(&view);
+        view.replaceModel(selectedNode);
+
+        Q_ASSERT(view.rootModelNode().isValid());
+        Q_ASSERT(view.rootModelNode().type() != "empty");
+
+        view.toClipboard();
+    } else { //multi items selected
+        m_currentModel->detachView(&view);
+        copyModel->attachView(&view);
+
+        foreach (ModelNode node, view.rootModelNode().allDirectSubModelNodes()) {
+            node.destroy();
+        }
+        view.changeRootNodeType("QtQuick.Rectangle", 1, 0);
+        view.rootModelNode().setId("designer__Selection");
+
+        foreach (const ModelNode &selectedNode, selectedNodes) {
+            ModelNode newNode(view.insertModel(selectedNode));
+            view.rootModelNode().nodeListProperty("data").reparentHere(newNode);
+        }
+
+        view.toClipboard();
+    }
+}
+
+void DesignDocument::cutSelected()
+{
+    copySelected();
+    deleteSelected();
+}
+
+static void scatterItem(ModelNode pastedNode, const ModelNode targetNode, int offset = -2000)
+{
+
+    bool scatter = false;
+    foreach (const ModelNode &childNode, targetNode.allDirectSubModelNodes()) {
+        if ((childNode.variantProperty("x").value() == pastedNode.variantProperty("x").value()) &&
+            (childNode.variantProperty("y").value() == pastedNode.variantProperty("y").value()))
+            scatter = true;
+    }
+    if (!scatter)
+        return;
+
+    if (offset == -2000) {
+        double x = pastedNode.variantProperty("x").value().toDouble();
+        double y = pastedNode.variantProperty("y").value().toDouble();
+        double targetWidth = 20;
+        double targetHeight = 20;
+        x = x + double(qrand()) / RAND_MAX * targetWidth - targetWidth / 2;
+        y = y + double(qrand()) / RAND_MAX * targetHeight - targetHeight / 2;
+        pastedNode.variantProperty("x") = int(x);
+        pastedNode.variantProperty("y") = int(y);
+    } else {
+        double x = pastedNode.variantProperty("x").value().toDouble();
+        double y = pastedNode.variantProperty("y").value().toDouble();
+        x = x + offset;
+        y = y + offset;
+        pastedNode.variantProperty("x") = int(x);
+        pastedNode.variantProperty("y") = int(y);
+    }
+}
+
+void DesignDocument::paste()
+{
+    QScopedPointer<Model> pasteModel(Model::create("empty", 1, 0, currentModel()));
+    pasteModel->setFileUrl(currentModel()->fileUrl());
+    pasteModel->changeImports(currentModel()->imports(), QList<Import>());
+
+    Q_ASSERT(pasteModel);
+
+    if (!pasteModel)
+        return;
+
+    DesignDocumentView view;
+    pasteModel->attachView(&view);
+
+    view.fromClipboard();
+
+    ModelNode rootNode(view.rootModelNode());
+
+    if (rootNode.type() == "empty")
+        return;
+
+    if (rootNode.id() == "designer__Selection") {
+        QList<ModelNode> selectedNodes = rootNode.allDirectSubModelNodes();
+        qDebug() << rootNode;
+        qDebug() << selectedNodes;
+        pasteModel->detachView(&view);
+        m_currentModel->attachView(&view);
+
+        ModelNode targetNode;
+
+        if (!view.selectedModelNodes().isEmpty())
+            targetNode = view.selectedModelNodes().first();
+
+        //In case we copy and paste a selection we paste in the parent item
+        if ((view.selectedModelNodes().count() == selectedNodes.count()) && targetNode.isValid() && targetNode.parentProperty().isValid())
+            targetNode = targetNode.parentProperty().parentModelNode();
+
+        if (!targetNode.isValid())
+            targetNode = view.rootModelNode();
+
+        foreach (const ModelNode &node, selectedNodes) {
+            foreach (const ModelNode &node2, selectedNodes) {
+                if (node.isAncestorOf(node2))
+                    selectedNodes.removeAll(node2);
+            }
+        }
+
+        QList<ModelNode> pastedNodeList;
+
+        try {
+            RewriterTransaction transaction(rewriterView());
+
+            int offset = double(qrand()) / RAND_MAX * 20 - 10;
+
+            foreach (const ModelNode &node, selectedNodes) {
+                QString defaultProperty(targetNode.metaInfo().defaultPropertyName());
+                ModelNode pastedNode(view.insertModel(node));
+                pastedNodeList.append(pastedNode);
+                scatterItem(pastedNode, targetNode, offset);
+                targetNode.nodeListProperty(defaultProperty).reparentHere(pastedNode);
+            }
+
+            view.setSelectedModelNodes(pastedNodeList);
+        } catch (RewritingException &e) {
+            qWarning() << e.description(); //silent error
+        }
+    } else {
+        try {
+            RewriterTransaction transaction(rewriterView());
+
+            pasteModel->detachView(&view);
+            m_currentModel->attachView(&view);
+            ModelNode pastedNode(view.insertModel(rootNode));
+            ModelNode targetNode;
+
+            if (!view.selectedModelNodes().isEmpty())
+                targetNode = view.selectedModelNodes().first();
+
+            if (!targetNode.isValid())
+                targetNode = view.rootModelNode();
+
+            if (targetNode.parentProperty().isValid() &&
+                (pastedNode.simplifiedTypeName() == targetNode.simplifiedTypeName()) &&
+                (pastedNode.variantProperty("width").value() == targetNode.variantProperty("width").value()) &&
+                (pastedNode.variantProperty("height").value() == targetNode.variantProperty("height").value()))
+
+                targetNode = targetNode.parentProperty().parentModelNode();
+
+            QString defaultProperty(targetNode.metaInfo().defaultPropertyName());
+
+            scatterItem(pastedNode, targetNode);
+            if (targetNode.nodeListProperty(defaultProperty).isValid())
+                targetNode.nodeListProperty(defaultProperty).reparentHere(pastedNode);
+
+            transaction.commit();
+            NodeMetaInfo::clearCache();
+
+            view.setSelectedModelNodes(QList<ModelNode>() << pastedNode);
+        } catch (RewritingException &e) {
+            qWarning() << e.description(); //silent error
+        }
+    }
+}
+
+void DesignDocument::selectAll()
+{
+    if (!m_currentModel)
+        return;
+
+    DesignDocumentView view;
+    m_currentModel->attachView(&view);
+
+
+    QList<ModelNode> allNodesExceptRootNode(view.allModelNodes());
+    allNodesExceptRootNode.removeOne(view.rootModelNode());
+    view.setSelectedModelNodes(allNodesExceptRootNode);
+}
+
+RewriterView *DesignDocument::rewriterView() const
+{
+    return m_rewriterView.data();
+}
+
+void DesignDocument::setEditor(Core::IEditor *editor)
+{
+    m_textEditor = editor;
+    connect(editor->document(),
+            SIGNAL(fileNameChanged(QString,QString)),
+            SLOT(updateFileName(QString,QString)));
+}
+
+Core::IEditor *DesignDocument::editor() const
+{
+    return m_textEditor.data();
+}
+
+TextEditor::ITextEditor *DesignDocument::textEditor() const
+{
+    return qobject_cast<TextEditor::ITextEditor*>(editor());
+}
+
+QPlainTextEdit *DesignDocument::plainTextEdit() const
+{
+    if (editor())
+        return qobject_cast<QPlainTextEdit*>(editor()->widget());
+
+    return 0;
+}
+
+ModelNode DesignDocument::rootModelNode() const
+{
+    return rewriterView()->rootModelNode();
+}
+
+void DesignDocument::undo()
+{
+    if (rewriterView() && !rewriterView()->modificationGroupActive())
+        plainTextEdit()->undo();
+
+    viewManager().resetPropertyEditorView();
+}
+
+void DesignDocument::redo()
+{
+    if (rewriterView() && !rewriterView()->modificationGroupActive())
+        plainTextEdit()->redo();
+
+    viewManager().resetPropertyEditorView();
+}
+
+static inline QtSupport::BaseQtVersion *getActiveQtVersion(DesignDocument *controller)
+{
+    ProjectExplorer::ProjectExplorerPlugin *projectExplorer = ProjectExplorer::ProjectExplorerPlugin::instance();
+    ProjectExplorer::Project *currentProject = projectExplorer->currentProject();
+
+    if (!currentProject)
+        return 0;
+
+    controller->disconnect(controller,  SLOT(updateActiveQtVersion()));
+    controller->connect(projectExplorer, SIGNAL(currentProjectChanged(ProjectExplorer::Project*)), controller, SLOT(updateActiveQtVersion()));
+
+    controller->connect(currentProject, SIGNAL(activeTargetChanged(ProjectExplorer::Target*)), controller, SLOT(updateActiveQtVersion()));
+
+
+    ProjectExplorer::Target *target = currentProject->activeTarget();
+
+    if (!target)
+        return 0;
+
+    controller->connect(target, SIGNAL(kitChanged()), controller, SLOT(updateActiveQtVersion()));
+    return QtSupport::QtKitInformation::qtVersion(target->kit());
+}
+
+void DesignDocument::updateActiveQtVersion()
+{
+    QtSupport::BaseQtVersion *newQtVersion = getActiveQtVersion(this);
+
+    if (!newQtVersion ) {
+        m_qtVersionId = -1;
+        return;
+    }
+
+    if (m_qtVersionId == newQtVersion->uniqueId())
+        return;
+
+    m_qtVersionId = newQtVersion->uniqueId();
+
+    viewManager().setNodeInstanceViewQtPath(pathToQt());
+}
+
+QString DesignDocument::contextHelpId() const
+{
+    DesignDocumentView view;
+    m_currentModel->attachView(&view);
+
+    QList<ModelNode> nodes = view.selectedModelNodes();
+    QString helpId;
+    if (!nodes.isEmpty()) {
+        helpId = nodes.first().type();
+        helpId.replace("QtQuick", "QML");
+    }
+
+    return helpId;
+}
+
+} // namespace QmlDesigner

src/plugins/qmldesigner/components/integration/designdocument.h

@@ -27,8 +27,8 @@
 **
 ****************************************************************************/
 
-#ifndef DesignDocumentController_h
+#ifndef DesignDocument_h
-#define DesignDocumentController_h
+#define DesignDocument_h
 
 #include "rewriterview.h"
 
@@ -44,6 +44,7 @@
 #include <componenttextmodifier.h>
 #include <subcomponentmanager.h>
 #include <model/viewlogger.h>
+#include <viewmanager.h>
 
 #include <QObject>
 #include <QString>
@@ -66,49 +67,44 @@ class TextModifier;
 class QmlObjectNode;
 struct CrumbleBarInfo;
 
-class DesignDocumentController: public QObject
+class DesignDocument: public QObject
 {
     Q_OBJECT
 public:
-    DesignDocumentController(QObject *parent);
+    DesignDocument(QObject *parent = 0);
-    ~DesignDocumentController();
+    ~DesignDocument();
 
     QString displayName() const;
     QString simplfiedDisplayName() const;
 
-    QString fileName() const;
+    QList<RewriterView::Error> loadDocument(QPlainTextEdit *edit);
-    void setFileName(const QString &m_fileName);
+    void activateCurrentModel(TextModifier *textModifier);
-
+    void activateCurrentModel();
-    QList<RewriterView::Error> loadMaster(QPlainTextEdit *edit);
+    void activateDocumentModel();
-    QList<RewriterView::Error> loadMaster(const QByteArray &qml);
-    void loadCurrentModel();
     void close();
 
-    bool isDirty() const;
     bool isUndoAvailable() const;
     bool isRedoAvailable() const;
 
-    Model *model() const;
+    Model *currentModel() const;
-    Model *masterModel() const;
+    Model *documentModel() const;
+
+    QString contextHelpId() const;
+    QList<RewriterView::Error> qmlSyntaxErrors() const;
+    bool hasQmlSyntaxErrors() const;
 
     RewriterView *rewriterView() const;
 
-    bool isModelSyncBlocked() const;
+    void setEditor(Core::IEditor *editor);
-    void blockModelSync(bool block);
+    Core::IEditor *editor() const;
 
-    QString contextHelpId() const;
+    TextEditor::ITextEditor *textEditor() const;
-    QList<RewriterView::Error> qmlErrors() const;
+    QPlainTextEdit *plainTextEdit() const;
+    QString fileName() const;
+    int qtVersionId() const; // maybe that is not working, because the id should be not cached!!!
+    bool isDocumentLoaded() const;
 
-    void setItemLibraryView(ItemLibraryView* m_itemLibraryView);
+    void resetToDocumentModel();
-    void setNavigator(NavigatorView* navigatorView);
-    void setPropertyEditorView(PropertyEditor *propertyEditor);
-    void setStatesEditorView(StatesEditorView* m_statesEditorView);
-    void setFormEditorView(FormEditorView *m_formEditorView);
-    void setNodeInstanceView(NodeInstanceView *m_nodeInstanceView);
-    void setComponentView(ComponentView *m_componentView);
-
-    void setCrumbleBarInfo(const CrumbleBarInfo &crumbleBarInfo);
-    static void setBlockCrumbleBar(bool);
 
 signals:
     void displayNameChanged(const QString &newFileName);
@@ -122,8 +118,6 @@ signals:
     void fileToOpen(const QString &path);
 
 public slots:
-    bool save(QWidget *parent = 0);
-    void saveAs(QWidget *parent = 0);
     void deleteSelected();
     void copySelected();
     void cutSelected();
@@ -131,68 +125,46 @@ public slots:
     void selectAll();
     void undo();
     void redo();
-    void activeQtVersionChanged();
+    void updateActiveQtVersion();
     void changeCurrentModelTo(const ModelNode &node);
     void changeToSubComponent(const ModelNode &node);
-    void changeToExternalSubComponent(const QString &m_fileName);
+    void changeToExternalSubComponent(const QString &m_oldFileName);
     void goIntoComponent();
 
-#ifdef ENABLE_TEXT_VIEW
-    void showText();
-    void showForm();
-#endif // ENABLE_TEXT_VIEW
-
 private slots:
-    void doRealSaveAs(const QString &m_fileName);
+    void updateFileName(const QString &oldFileName, const QString &newFileName);
 
 private: // functions
-    void detachNodeInstanceView();
+    void changeToDocumentModel();
-    void attachNodeInstanceView();
+    void changeToInFileComponentModel();
-    void changeToMasterModel();
-    QVariant createCrumbleBarInfo();
 
     QWidget *centralWidget() const;
     QString pathToQt() const;
 
+    const ViewManager &viewManager() const;
+    ViewManager &viewManager();
+
+    ModelNode rootModelNode() const;
+
+    bool loadSubComponent(const ModelNode &componentNode);
+
 private: // variables
-    QWeakPointer<FormEditorView> m_formEditorView;
-
-    QWeakPointer<ItemLibraryView> m_itemLibraryView;
-    QWeakPointer<NavigatorView> m_navigator;
-    QWeakPointer<PropertyEditor> m_propertyEditorView;
-    QWeakPointer<StatesEditorView> m_statesEditorView;
     QWeakPointer<QStackedWidget> m_stackedWidget;
-    QWeakPointer<NodeInstanceView> m_nodeInstanceView;
+    QWeakPointer<Model> m_documentModel;
-    QWeakPointer<ComponentView> m_componentView;
+    QWeakPointer<Model> m_inFileComponentModel;
-
+    QWeakPointer<Model> m_currentModel;
-    QWeakPointer<Model> m_model;
+    QWeakPointer<Core::IEditor> m_textEditor;
-    QWeakPointer<Model> m_subComponentModel;
+    QWeakPointer<BaseTextEditModifier> m_documentTextModifier;
-    QWeakPointer<Model> m_masterModel;
+    QWeakPointer<ComponentTextModifier> m_inFileComponentTextModifier;
-    QWeakPointer<QPlainTextEdit> m_textEdit;
-    QWeakPointer<RewriterView> m_rewriterView;
-    BaseTextEditModifier *m_textModifier;
-    ComponentTextModifier *m_componentTextModifier;
     QWeakPointer<SubComponentManager> m_subComponentManager;
-    QWeakPointer<Internal::ViewLogger> m_viewLogger;
-    ModelNode m_componentNode;
 
-    QString m_fileName;
+    QWeakPointer<RewriterView> m_rewriterView;
-    QUrl m_searchPath;
+
     bool m_documentLoaded;
-    bool m_syncBlocked;
+    int m_qtVersionId;
-    int m_qt_versionId;
-    static bool s_clearCrumblePath;
-    static bool s_pushCrumblePath;
-};
-
-
-struct CrumbleBarInfo {
-    ModelNode modelNode;
-    QString fileName;
 };
 
 } // namespace QmlDesigner
 
-Q_DECLARE_METATYPE(QmlDesigner::CrumbleBarInfo)
 
-#endif // DesignDocumentController_h
+#endif // DesignDocument_h

src/plugins/qmldesigner/components/integration/designdocumentcontroller.cpp

@@ -1,943 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of Qt Creator.
-**
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Digia.  For licensing terms and
-** conditions see http://qt.digia.com/licensing.  For further information
-** use the contact form at http://qt.digia.com/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Digia gives you certain additional
-** rights.  These rights are described in the Digia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-****************************************************************************/
-
-#include "designdocumentcontroller.h"
-#include "designdocumentcontrollerview.h"
-#include "xuifiledialog.h"
-#include "componentview.h"
-
-#include <itemlibrarywidget.h>
-#include <formeditorwidget.h>
-#include <toolbox.h>
-#include <metainfo.h>
-#include <invalidargumentexception.h>
-#include <componentaction.h>
-#include <designeractionmanager.h>
-#include <qmlobjectnode.h>
-#include <rewritingexception.h>
-#include <nodelistproperty.h>
-#include <variantproperty.h>
-#include <rewritingexception.h>
-#include <modelnodeoperations.h>
-#include <designmodewidget.h>
-
-#include <projectexplorer/projectexplorer.h>
-#include <projectexplorer/project.h>
-#include <projectexplorer/target.h>
-#include <qmlprojectmanager/qmlprojectrunconfiguration.h>
-#include <qtsupport/qtkitinformation.h>
-#include <qtsupport/qtsupportconstants.h>
-#include <qtsupport/qtversionmanager.h>
-#include <utils/crumblepath.h>
-#include <utils/fileutils.h>
-
-#include <QCoreApplication>
-#include <QDir>
-#include <QFile>
-#include <QFileInfo>
-#include <QUrl>
-#include <QProcess>
-#include <QTemporaryFile>
-#include <QDebug>
-#include <QEvent>
-
-#include <QBoxLayout>
-#include <QComboBox>
-#include <QErrorMessage>
-#include <QFileDialog>
-#include <QLabel>
-#include <QMdiArea>
-#include <QMdiSubWindow>
-#include <QMessageBox>
-#include <QUndoStack>
-#include <QPlainTextEdit>
-#include <QApplication>
-
-enum {
-    debug = false
-};
-
-namespace QmlDesigner {
-
-
-bool DesignDocumentController::s_clearCrumblePath = true;
-bool DesignDocumentController::s_pushCrumblePath = true;
-
-
-/**
-  \class QmlDesigner::DesignDocumentController
-
-  DesignDocumentController acts as a facade to a model representing a qml document,
-  and the different views/widgets accessing it.
-  */
-DesignDocumentController::DesignDocumentController(QObject *parent) :
-        QObject(parent)
-{
-    m_documentLoaded = false;
-    m_syncBlocked = false;
-
-    ProjectExplorer::ProjectExplorerPlugin *projectExplorer = ProjectExplorer::ProjectExplorerPlugin::instance();
-    connect(projectExplorer, SIGNAL(currentProjectChanged(ProjectExplorer::Project*)), this, SLOT(activeQtVersionChanged()));
-    activeQtVersionChanged();
-}
-
-DesignDocumentController::~DesignDocumentController()
-{
-    delete m_model.data();
-    delete m_subComponentModel.data();
-
-    delete m_rewriterView.data();
-
-    if (m_componentTextModifier) //componentTextModifier might not be created
-        delete m_componentTextModifier;
-}
-
-Model *DesignDocumentController::model() const
-{
-    return m_model.data();
-}
-
-Model *DesignDocumentController::masterModel() const
-{
-    return m_masterModel.data();
-}
-
-
-void DesignDocumentController::detachNodeInstanceView()
-{
-    if (m_nodeInstanceView)
-        model()->detachView(m_nodeInstanceView.data());
-}
-
-void DesignDocumentController::attachNodeInstanceView()
-{
-    if (m_nodeInstanceView)
-        model()->attachView(m_nodeInstanceView.data());
-    if (m_formEditorView)
-        m_formEditorView->resetView();
-}
-
-void DesignDocumentController::changeToMasterModel()
-{
-    m_model->detachView(m_rewriterView.data());
-    m_rewriterView->setTextModifier(m_textModifier);
-    m_model = m_masterModel;
-    m_model->attachView(m_rewriterView.data());
-    m_componentNode = m_rewriterView->rootModelNode();
-}
-
-QVariant DesignDocumentController::createCrumbleBarInfo()
-{
-    CrumbleBarInfo info;
-    info.fileName = fileName();
-    info.modelNode = m_componentNode;
-    return QVariant::fromValue<CrumbleBarInfo>(info);
-}
-
-QWidget *DesignDocumentController::centralWidget() const
-{
-    return qobject_cast<QWidget*>(parent());
-}
-
-QString DesignDocumentController::pathToQt() const
-{
-    QtSupport::BaseQtVersion *activeQtVersion = QtSupport::QtVersionManager::instance()->version(m_qt_versionId);
-    if (activeQtVersion && (activeQtVersion->qtVersion().majorVersion > 3)
-            && (activeQtVersion->type() == QLatin1String(QtSupport::Constants::DESKTOPQT)
-                || activeQtVersion->type() == QLatin1String(QtSupport::Constants::SIMULATORQT)))
-        return activeQtVersion->qmakeProperty("QT_INSTALL_DATA");
-    return QString();
-}
-
-/*!
-  Returns whether the model is automatically updated if the text editor changes.
-  */
-bool DesignDocumentController::isModelSyncBlocked() const
-{
-    return m_syncBlocked;
-}
-
-/*!
-  Switches whether the model (and therefore the views) are updated if the text editor
-  changes.
-
-  If the synchronization is enabled again, the model is automatically resynchronized
-  with the current state of the text editor.
-  */
-void DesignDocumentController::blockModelSync(bool block)
-{
-    if (m_syncBlocked == block)
-        return;
-
-    m_syncBlocked = block;
-
-    if (m_textModifier) {
-        if (m_syncBlocked) {
-            detachNodeInstanceView();
-            m_textModifier->deactivateChangeSignals();
-        } else {
-            activeQtVersionChanged();
-            changeToMasterModel();
-            QmlModelState state;
-            //We go back to base state (and back again) to avoid side effects from text editing.
-            if (m_statesEditorView && m_statesEditorView->model()) {
-                state = m_statesEditorView->currentState();
-                m_statesEditorView->setCurrentState(m_statesEditorView->baseState());
-
-            }
-
-            m_textModifier->reactivateChangeSignals();
-
-            if (state.isValid() && m_statesEditorView)
-                m_statesEditorView->setCurrentState(state);
-            attachNodeInstanceView();
-            if (m_propertyEditorView)
-                m_propertyEditorView->resetView();
-            if (m_formEditorView)
-                m_formEditorView->resetView();
-        }
-    }
-}
-
-/*!
-  Returns any errors that happened when parsing the latest qml file.
-  */
-QList<RewriterView::Error> DesignDocumentController::qmlErrors() const
-{
-    return m_rewriterView->errors();
-}
-
-void DesignDocumentController::setItemLibraryView(ItemLibraryView* itemLibraryView)
-{
-    m_itemLibraryView = itemLibraryView;
-}
-
-void DesignDocumentController::setNavigator(NavigatorView* navigatorView)
-{
-    m_navigator = navigatorView;
-}
-
-void DesignDocumentController::setPropertyEditorView(PropertyEditor *propertyEditor)
-{
-    m_propertyEditorView = propertyEditor;
-}
-
-void DesignDocumentController::setStatesEditorView(StatesEditorView* statesEditorView)
-{
-    m_statesEditorView = statesEditorView;
-}
-
-void DesignDocumentController::setFormEditorView(FormEditorView *formEditorView)
-{
-    m_formEditorView = formEditorView;
-}
-
-void DesignDocumentController::setNodeInstanceView(NodeInstanceView *nodeInstanceView)
-{
-    m_nodeInstanceView = nodeInstanceView;
-}
-
-void DesignDocumentController::setComponentView(ComponentView *componentView)
-{
-    m_componentView = componentView;
-    connect(componentView->action(), SIGNAL(currentComponentChanged(ModelNode)), SLOT(changeCurrentModelTo(ModelNode)));
-}
-
-static inline bool compareCrumbleBarInfo(const CrumbleBarInfo &crumbleBarInfo1, const CrumbleBarInfo &crumbleBarInfo2)
-{
-    return crumbleBarInfo1.fileName == crumbleBarInfo2.fileName && crumbleBarInfo1.modelNode == crumbleBarInfo2.modelNode;
-}
-
-void DesignDocumentController::setCrumbleBarInfo(const CrumbleBarInfo &crumbleBarInfo)
-{
-    s_clearCrumblePath = false;
-    s_pushCrumblePath = false;
-    while (!compareCrumbleBarInfo(m_formEditorView->crumblePath()->dataForLastIndex().value<CrumbleBarInfo>(), crumbleBarInfo))
-        m_formEditorView->crumblePath()->popElement();
-    Core::EditorManager::openEditor(crumbleBarInfo.fileName);
-    s_pushCrumblePath = true;
-    Internal::DesignModeWidget::instance()->currentDesignDocumentController()->changeToSubComponent(crumbleBarInfo.modelNode);
-    s_clearCrumblePath = true;
-}
-
-void DesignDocumentController::setBlockCrumbleBar(bool b)
-{
-    s_clearCrumblePath = !b;
-    s_pushCrumblePath = !b;
-}
-
-QString DesignDocumentController::displayName() const
-{
-    if (fileName().isEmpty())
-        return tr("-New Form-");
-    else
-        return fileName();
-}
-
-QString DesignDocumentController::simplfiedDisplayName() const
-{
-    if (!m_componentNode.isRootNode()) {
-        if (m_componentNode.id().isEmpty()) {
-            if (m_formEditorView->rootModelNode().id().isEmpty())
-                return m_formEditorView->rootModelNode().simplifiedTypeName();
-            return m_formEditorView->rootModelNode().id();
-        }
-        return m_componentNode.id();
-    }
-
-    QStringList list = displayName().split(QLatin1Char('/'));
-    return list.last();
-}
-
-QString DesignDocumentController::fileName() const
-{
-    return m_fileName;
-}
-
-void DesignDocumentController::setFileName(const QString &fileName)
-{
-    m_fileName = fileName;
-
-    if (QFileInfo(fileName).exists())
-        m_searchPath = QUrl::fromLocalFile(fileName);
-    else
-        m_searchPath = QUrl(fileName);
-
-    if (m_model)
-        m_model->setFileUrl(m_searchPath);
-
-    if (m_itemLibraryView)
-        m_itemLibraryView->widget()->setResourcePath(QFileInfo(fileName).absolutePath());
-    emit displayNameChanged(displayName());
-}
-
-QList<RewriterView::Error> DesignDocumentController::loadMaster(QPlainTextEdit *edit)
-{
-    Q_CHECK_PTR(edit);
-
-    m_textEdit = edit;
-
-    connect(edit, SIGNAL(undoAvailable(bool)),
-            this, SIGNAL(undoAvailable(bool)));
-    connect(edit, SIGNAL(redoAvailable(bool)),
-            this, SIGNAL(redoAvailable(bool)));
-    connect(edit, SIGNAL(modificationChanged(bool)),
-            this, SIGNAL(dirtyStateChanged(bool)));
-
-    m_textModifier = new BaseTextEditModifier(dynamic_cast<TextEditor::BaseTextEditorWidget*>(m_textEdit.data()));
-
-    m_componentTextModifier = 0;
-
-    //masterModel = Model::create(textModifier, searchPath, errors);
-
-    m_masterModel = Model::create("QtQuick.Rectangle", 1, 0);
-
-#if defined(VIEWLOGGER)
-    m_viewLogger = new Internal::ViewLogger(m_model.data());
-    m_masterModel->attachView(m_viewLogger.data());
-#endif
-
-    m_masterModel->setFileUrl(m_searchPath);
-
-    m_subComponentModel = Model::create("QtQuick.Rectangle", 1, 0);
-    m_subComponentModel->setFileUrl(m_searchPath);
-
-    m_rewriterView = new RewriterView(RewriterView::Amend, m_masterModel.data());
-    m_rewriterView->setTextModifier( m_textModifier);
-    connect(m_rewriterView.data(), SIGNAL(errorsChanged(QList<RewriterView::Error>)),
-            this, SIGNAL(qmlErrorsChanged(QList<RewriterView::Error>)));
-
-    m_masterModel->attachView(m_rewriterView.data());
-    m_model = m_masterModel;
-    m_componentNode = m_rewriterView->rootModelNode();
-
-    m_subComponentManager = new SubComponentManager(m_masterModel.data(), this);
-    m_subComponentManager->update(m_searchPath, m_model->imports());
-
-    loadCurrentModel();
-
-    m_masterModel->attachView(m_componentView.data());
-
-    return m_rewriterView->errors();
-}
-
-void DesignDocumentController::changeCurrentModelTo(const ModelNode &node)
-{
-    if (m_componentNode == node)
-        return;
-    if (Internal::DesignModeWidget::instance()->currentDesignDocumentController() != this)
-        return;
-    s_clearCrumblePath = false;
-    while (m_formEditorView->crumblePath()->dataForLastIndex().value<CrumbleBarInfo>().modelNode.isValid() &&
-        !m_formEditorView->crumblePath()->dataForLastIndex().value<CrumbleBarInfo>().modelNode.isRootNode())
-        m_formEditorView->crumblePath()->popElement();
-    if (node.isRootNode() && m_formEditorView->crumblePath()->dataForLastIndex().isValid())
-        m_formEditorView->crumblePath()->popElement();
-    changeToSubComponent(node);
-    s_clearCrumblePath = true;
-}
-
-void DesignDocumentController::changeToSubComponent(const ModelNode &componentNode)
-{
-    Q_ASSERT(m_masterModel);
-    QWeakPointer<Model> oldModel = m_model;
-    Q_ASSERT(oldModel.data());
-
-    if (m_model == m_subComponentModel)
-        changeToMasterModel();
-
-    QString componentText = m_rewriterView->extractText(QList<ModelNode>() << componentNode).value(componentNode);
-
-    if (componentText.isEmpty())
-        return;
-
-    bool explicitComponent = false;
-    if (componentText.contains("Component")) { //explicit component
-        explicitComponent = true;
-    }
-
-    m_componentNode = componentNode;
-    if (!componentNode.isRootNode()) {
-        Q_ASSERT(m_model == m_masterModel);
-        Q_ASSERT(componentNode.isValid());
-        //change to subcomponent model
-        ModelNode rootModelNode = componentNode.view()->rootModelNode();
-        Q_ASSERT(rootModelNode.isValid());
-        if (m_componentTextModifier)
-            delete m_componentTextModifier;
-
-
-        int componentStartOffset;
-        int componentEndOffset;
-
-        int rootStartOffset = m_rewriterView->nodeOffset(rootModelNode);
-
-        if (explicitComponent) { //the component is explciit we have to find the first definition inside
-            componentStartOffset = m_rewriterView->firstDefinitionInsideOffset(componentNode);
-            componentEndOffset = componentStartOffset + m_rewriterView->firstDefinitionInsideLength(componentNode);
-        } else { //the component is implicit
-            componentStartOffset = m_rewriterView->nodeOffset(componentNode);
-            componentEndOffset = componentStartOffset + m_rewriterView->nodeLength(componentNode);
-        }
-
-        m_componentTextModifier = new ComponentTextModifier (m_textModifier, componentStartOffset, componentEndOffset, rootStartOffset);
-
-
-        m_model->detachView(m_rewriterView.data());
-
-        m_rewriterView->setTextModifier(m_componentTextModifier);
-
-        m_subComponentModel->attachView(m_rewriterView.data());
-
-        Q_ASSERT(m_rewriterView->rootModelNode().isValid());
-
-        m_model = m_subComponentModel;
-    }
-
-    Q_ASSERT(m_masterModel);
-    Q_ASSERT(m_model);
-
-    loadCurrentModel();
-    m_componentView->setComponentNode(componentNode);
-}
-
-void DesignDocumentController::changeToExternalSubComponent(const QString &fileName)
-{
-    s_clearCrumblePath = false;
-    Core::EditorManager::openEditor(fileName);
-    s_clearCrumblePath = true;
-}
-
-void DesignDocumentController::goIntoComponent()
-{
-    if (!m_model)
-        return;
-
-    QList<ModelNode> selectedNodes;
-    if (m_formEditorView)
-        selectedNodes = m_formEditorView->selectedModelNodes();
-
-    s_clearCrumblePath = false;
-    if (selectedNodes.count() == 1)
-        ModelNodeOperations::goIntoComponent(selectedNodes.first());
-    s_clearCrumblePath = true;
-}
-
-void DesignDocumentController::loadCurrentModel()
-{
-    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
-
-    Q_ASSERT(m_masterModel);
-    Q_ASSERT(m_model);
-    m_model->setMasterModel(m_masterModel.data());
-    m_masterModel->attachView(m_componentView.data());
-
-    m_nodeInstanceView->setPathToQt(pathToQt());
-    m_model->attachView(m_nodeInstanceView.data());
-    m_model->attachView(m_navigator.data());
-    m_itemLibraryView->widget()->setResourcePath(QFileInfo(m_fileName).absolutePath());
-
-    m_model->attachView(m_formEditorView.data());
-    m_model->attachView(m_itemLibraryView.data());
-
-    if (!m_textEdit->parent()) // hack to prevent changing owner of external text edit
-        m_stackedWidget->addWidget(m_textEdit.data());
-
-    // Will call setCurrentState (formEditorView etc has to be constructed first)
-    m_model->attachView(m_statesEditorView.data());
-
-    m_model->attachView(m_propertyEditorView.data());
-
-    m_model->attachView(DesignerActionManager::view());
-
-    if (s_clearCrumblePath)
-        m_formEditorView->crumblePath()->clear();
-
-    if (s_pushCrumblePath &&
-            !compareCrumbleBarInfo(m_formEditorView->crumblePath()->dataForLastIndex().value<CrumbleBarInfo>(),
-                                   createCrumbleBarInfo().value<CrumbleBarInfo>()))
-        m_formEditorView->crumblePath()->pushElement(simplfiedDisplayName(), createCrumbleBarInfo());
-
-    m_documentLoaded = true;
-    m_subComponentManager->update(m_searchPath, m_model->imports());
-    Q_ASSERT(m_masterModel);
-    QApplication::restoreOverrideCursor();
-}
-
-QList<RewriterView::Error> DesignDocumentController::loadMaster(const QByteArray &qml)
-{
-    QPlainTextEdit *textEdit = new QPlainTextEdit;
-    textEdit->setReadOnly(true);
-    textEdit->setPlainText(QString(qml));
-    return loadMaster(textEdit);
-}
-
-void DesignDocumentController::saveAs(QWidget *parent)
-{
-    QFileInfo oldFileInfo(m_fileName);
-    XUIFileDialog::runSaveFileDialog(oldFileInfo.path(), parent, this, SLOT(doRealSaveAs(QString)));
-}
-
-void DesignDocumentController::doRealSaveAs(const QString &fileName)
-{
-    if (fileName.isNull())
-        return;
-
-    QFileInfo fileInfo(fileName);
-    if (fileInfo.exists() && !fileInfo.isWritable()) {
-        QMessageBox msgBox(centralWidget());
-        msgBox.setIcon(QMessageBox::Warning);
-        msgBox.setText(tr("Cannot save to file \"%1\": permission denied.").arg(fileInfo.baseName()));
-        msgBox.exec();
-        return;
-    } else if (!fileInfo.exists() && !fileInfo.dir().exists()) {
-        QMessageBox msgBox(centralWidget());
-        msgBox.setIcon(QMessageBox::Warning);
-        msgBox.setText(tr("Parent folder \"%1\" for file \"%2\" does not exist.")
-                       .arg(fileInfo.dir().dirName())
-                       .arg(fileInfo.baseName()));
-        msgBox.exec();
-        return;
-    }
-
-    setFileName(fileName);
-    save(centralWidget());
-}
-
-bool DesignDocumentController::isDirty() const
-{
-    if (m_textEdit)
-        return m_textEdit->document()->isModified();
-    else
-        return false;
-}
-
-bool DesignDocumentController::isUndoAvailable() const
-{
-
-    if (m_textEdit)
-        return m_textEdit->document()->isUndoAvailable();
-    return false;
-}
-
-bool DesignDocumentController::isRedoAvailable() const
-{
-    if (m_textEdit)
-        return m_textEdit->document()->isRedoAvailable();
-    return false;
-}
-
-void DesignDocumentController::close()
-{
-    m_documentLoaded = false;
-    emit designDocumentClosed();
-}
-
-void DesignDocumentController::deleteSelected()
-{
-    if (!m_model)
-        return;
-
-    try {
-        if (m_formEditorView) {
-            RewriterTransaction transaction(m_formEditorView.data());
-            QList<ModelNode> toDelete = m_formEditorView->selectedModelNodes();
-            foreach (ModelNode node, toDelete) {
-                if (node.isValid() && !node.isRootNode() && QmlObjectNode(node).isValid())
-                    QmlObjectNode(node).destroy();
-            }
-        }
-    } catch (RewritingException &e) {
-        QMessageBox::warning(0, tr("Error"), e.description());
-    }
-}
-
-void DesignDocumentController::copySelected()
-{
-    QScopedPointer<Model> copyModel(Model::create("QtQuick.Rectangle", 1, 0, model()));
-    copyModel->setFileUrl(model()->fileUrl());
-    copyModel->changeImports(model()->imports(), QList<Import>());
-
-    Q_ASSERT(copyModel);
-
-    DesignDocumentControllerView view;
-
-    m_model->attachView(&view);
-
-    if (view.selectedModelNodes().isEmpty())
-        return;
-
-    QList<ModelNode> selectedNodes(view.selectedModelNodes());
-
-    foreach (const ModelNode &node, selectedNodes) {
-        foreach (const ModelNode &node2, selectedNodes) {
-            if (node.isAncestorOf(node2))
-                selectedNodes.removeAll(node2);
-        }
-    }
-
-    if (selectedNodes.count() == 1) {
-        ModelNode selectedNode(selectedNodes.first());
-
-        if (!selectedNode.isValid())
-            return;
-
-        m_model->detachView(&view);
-
-        copyModel->attachView(&view);
-        view.replaceModel(selectedNode);
-
-        Q_ASSERT(view.rootModelNode().isValid());
-        Q_ASSERT(view.rootModelNode().type() != "empty");
-
-        view.toClipboard();
-    } else { //multi items selected
-        m_model->detachView(&view);
-        copyModel->attachView(&view);
-
-        foreach (ModelNode node, view.rootModelNode().allDirectSubModelNodes()) {
-            node.destroy();
-        }
-        view.changeRootNodeType("QtQuick.Rectangle", 1, 0);
-        view.rootModelNode().setId("designer__Selection");
-
-        foreach (const ModelNode &selectedNode, selectedNodes) {
-            ModelNode newNode(view.insertModel(selectedNode));
-            view.rootModelNode().nodeListProperty("data").reparentHere(newNode);
-        }
-
-        view.toClipboard();
-    }
-}
-
-void DesignDocumentController::cutSelected()
-{
-    copySelected();
-    deleteSelected();
-}
-
-static void scatterItem(ModelNode pastedNode, const ModelNode targetNode, int offset = -2000)
-{
-
-    bool scatter = false;
-    foreach (const ModelNode &childNode, targetNode.allDirectSubModelNodes()) {
-        if ((childNode.variantProperty("x").value() == pastedNode.variantProperty("x").value()) &&
-            (childNode.variantProperty("y").value() == pastedNode.variantProperty("y").value()))
-            scatter = true;
-    }
-    if (!scatter)
-        return;
-
-    if (offset == -2000) {
-        double x = pastedNode.variantProperty("x").value().toDouble();
-        double y = pastedNode.variantProperty("y").value().toDouble();
-        double targetWidth = 20;
-        double targetHeight = 20;
-        x = x + double(qrand()) / RAND_MAX * targetWidth - targetWidth / 2;
-        y = y + double(qrand()) / RAND_MAX * targetHeight - targetHeight / 2;
-        pastedNode.variantProperty("x") = int(x);
-        pastedNode.variantProperty("y") = int(y);
-    } else {
-        double x = pastedNode.variantProperty("x").value().toDouble();
-        double y = pastedNode.variantProperty("y").value().toDouble();
-        x = x + offset;
-        y = y + offset;
-        pastedNode.variantProperty("x") = int(x);
-        pastedNode.variantProperty("y") = int(y);
-    }
-}
-
-void DesignDocumentController::paste()
-{
-    QScopedPointer<Model> pasteModel(Model::create("empty", 1, 0, model()));
-    pasteModel->setFileUrl(model()->fileUrl());
-    pasteModel->changeImports(model()->imports(), QList<Import>());
-
-    Q_ASSERT(pasteModel);
-
-    if (!pasteModel)
-        return;
-
-    DesignDocumentControllerView view;
-    pasteModel->attachView(&view);
-
-    view.fromClipboard();
-
-    ModelNode rootNode(view.rootModelNode());
-
-    if (rootNode.type() == "empty")
-        return;
-
-    if (rootNode.id() == "designer__Selection") {
-        QList<ModelNode> selectedNodes = rootNode.allDirectSubModelNodes();
-        qDebug() << rootNode;
-        qDebug() << selectedNodes;
-        pasteModel->detachView(&view);
-        m_model->attachView(&view);
-
-        ModelNode targetNode;
-
-        if (!view.selectedModelNodes().isEmpty())
-            targetNode = view.selectedModelNodes().first();
-
-        //In case we copy and paste a selection we paste in the parent item
-        if ((view.selectedModelNodes().count() == selectedNodes.count()) && targetNode.isValid() && targetNode.parentProperty().isValid())
-            targetNode = targetNode.parentProperty().parentModelNode();
-
-        if (!targetNode.isValid())
-            targetNode = view.rootModelNode();
-
-        foreach (const ModelNode &node, selectedNodes) {
-            foreach (const ModelNode &node2, selectedNodes) {
-                if (node.isAncestorOf(node2))
-                    selectedNodes.removeAll(node2);
-            }
-        }
-
-        QList<ModelNode> pastedNodeList;
-
-        try {
-            RewriterTransaction transaction(m_formEditorView.data());
-
-            int offset = double(qrand()) / RAND_MAX * 20 - 10;
-
-            foreach (const ModelNode &node, selectedNodes) {
-                QString defaultProperty(targetNode.metaInfo().defaultPropertyName());
-                ModelNode pastedNode(view.insertModel(node));
-                pastedNodeList.append(pastedNode);
-                scatterItem(pastedNode, targetNode, offset);
-                targetNode.nodeListProperty(defaultProperty).reparentHere(pastedNode);
-            }
-
-            view.setSelectedModelNodes(pastedNodeList);
-        } catch (RewritingException &e) {
-            qWarning() << e.description(); //silent error
-        }
-    } else {
-        try {
-            RewriterTransaction transaction(m_formEditorView.data());
-
-            pasteModel->detachView(&view);
-            m_model->attachView(&view);
-            ModelNode pastedNode(view.insertModel(rootNode));
-            ModelNode targetNode;
-
-            if (!view.selectedModelNodes().isEmpty())
-                targetNode = view.selectedModelNodes().first();
-
-            if (!targetNode.isValid())
-                targetNode = view.rootModelNode();
-
-            if (targetNode.parentProperty().isValid() &&
-                (pastedNode.simplifiedTypeName() == targetNode.simplifiedTypeName()) &&
-                (pastedNode.variantProperty("width").value() == targetNode.variantProperty("width").value()) &&
-                (pastedNode.variantProperty("height").value() == targetNode.variantProperty("height").value()))
-
-                targetNode = targetNode.parentProperty().parentModelNode();
-
-            QString defaultProperty(targetNode.metaInfo().defaultPropertyName());
-
-            scatterItem(pastedNode, targetNode);
-            if (targetNode.nodeListProperty(defaultProperty).isValid())
-                targetNode.nodeListProperty(defaultProperty).reparentHere(pastedNode);
-
-            transaction.commit();
-            NodeMetaInfo::clearCache();
-
-            view.setSelectedModelNodes(QList<ModelNode>() << pastedNode);
-        } catch (RewritingException &e) {
-            qWarning() << e.description(); //silent error
-        }
-    }
-}
-
-void DesignDocumentController::selectAll()
-{
-    if (!m_model)
-        return;
-
-    DesignDocumentControllerView view;
-    m_model->attachView(&view);
-
-
-    QList<ModelNode> allNodesExceptRootNode(view.allModelNodes());
-    allNodesExceptRootNode.removeOne(view.rootModelNode());
-    view.setSelectedModelNodes(allNodesExceptRootNode);
-}
-
-RewriterView *DesignDocumentController::rewriterView() const
-{
-    return m_rewriterView.data();
-}
-
-void DesignDocumentController::undo()
-{
-    if (m_rewriterView && !m_rewriterView->modificationGroupActive())
-        m_textEdit->undo();
-    m_propertyEditorView->resetView();
-}
-
-void DesignDocumentController::redo()
-{
-    if (m_rewriterView && !m_rewriterView->modificationGroupActive())
-        m_textEdit->redo();
-    m_propertyEditorView->resetView();
-}
-
-static inline QtSupport::BaseQtVersion *getActiveQtVersion(DesignDocumentController *controller)
-{
-    ProjectExplorer::ProjectExplorerPlugin *projectExplorer = ProjectExplorer::ProjectExplorerPlugin::instance();
-    ProjectExplorer::Project *currentProject = projectExplorer->currentProject();
-
-    if (!currentProject)
-        return 0;
-
-    controller->disconnect(controller,  SLOT(activeQtVersionChanged()));
-    controller->connect(projectExplorer, SIGNAL(currentProjectChanged(ProjectExplorer::Project*)), controller, SLOT(activeQtVersionChanged()));
-
-    controller->connect(currentProject, SIGNAL(activeTargetChanged(ProjectExplorer::Target*)), controller, SLOT(activeQtVersionChanged()));
-
-
-    ProjectExplorer::Target *target = currentProject->activeTarget();
-
-    if (!target)
-        return 0;
-
-    controller->connect(target, SIGNAL(kitChanged()), controller, SLOT(activeQtVersionChanged()));
-    return QtSupport::QtKitInformation::qtVersion(target->kit());
-}
-
-void DesignDocumentController::activeQtVersionChanged()
-{
-    QtSupport::BaseQtVersion *newQtVersion = getActiveQtVersion(this);
-
-    if (!newQtVersion ) {
-        m_qt_versionId = -1;
-        return;
-    }
-
-    if (m_qt_versionId == newQtVersion->uniqueId())
-        return;
-
-    m_qt_versionId = newQtVersion->uniqueId();
-
-    if (m_nodeInstanceView)
-        m_nodeInstanceView->setPathToQt(pathToQt());
-}
-
-#ifdef ENABLE_TEXT_VIEW
-void DesignDocumentController::showText()
-{
-    m_stackedWidget->setCurrentWidget(m_textEdit.data());
-}
-#endif // ENABLE_TEXT_VIEW
-
-#ifdef ENABLE_TEXT_VIEW
-void DesignDocumentController::showForm()
-{
-    m_stackedWidget->setCurrentWidget(m_formEditorView->widget());
-}
-#endif // ENABLE_TEXT_VIEW
-
-bool DesignDocumentController::save(QWidget *parent)
-{
-    //    qDebug() << "Saving document to file \"" << fileName << "\"...";
-    //
-    if (m_fileName.isEmpty()) {
-        saveAs(parent);
-        return true;
-    }
-    Utils::FileSaver saver(m_fileName, QIODevice::Text);
-    if (m_model)
-        saver.write(m_textEdit->toPlainText().toLatin1());
-    if (!saver.finalize(parent ? parent : m_stackedWidget.data()))
-        return false;
-    if (m_model)
-        m_textEdit->setPlainText(m_textEdit->toPlainText()); // clear undo/redo history
-
-    return true;
-}
-
-
-QString DesignDocumentController::contextHelpId() const
-{
-    DesignDocumentControllerView view;
-    m_model->attachView(&view);
-
-    QList<ModelNode> nodes = view.selectedModelNodes();
-    QString helpId;
-    if (!nodes.isEmpty()) {
-        helpId = nodes.first().type();
-        helpId.replace("QtQuick", "QML");
-    }
-
-    return helpId;
-}
-
-} // namespace QmlDesigner

src/plugins/qmldesigner/components/integration/designdocumentview.cpp

@@ -27,7 +27,7 @@
 **
 ****************************************************************************/
 
-#include "designdocumentcontrollerview.h"
+#include "designdocumentview.h"
 #include <rewriterview.h>
 #include <basetexteditmodifier.h>
 #include <metainfo.h>
@@ -40,79 +40,88 @@
 
 namespace QmlDesigner {
 
-void DesignDocumentControllerView::nodeCreated(const ModelNode & /*createdNode*/) {}
+DesignDocumentView::DesignDocumentView(QObject *parent)
-void DesignDocumentControllerView::nodeAboutToBeRemoved(const ModelNode & /*removedNode*/) {}
+    : AbstractView(parent), m_modelMerger(this)
-void DesignDocumentControllerView::nodeRemoved(const ModelNode & /*removedNode*/, const NodeAbstractProperty & /*parentProperty*/, AbstractView::PropertyChangeFlags /*propertyChange*/) {}
+{
-void DesignDocumentControllerView::nodeAboutToBeReparented(const ModelNode & /*node*/, const NodeAbstractProperty & /*newPropertyParent*/, const NodeAbstractProperty & /*oldPropertyParent*/, AbstractView::PropertyChangeFlags /*propertyChange*/) {}
+}
-void DesignDocumentControllerView::nodeReparented(const ModelNode & /*node*/, const NodeAbstractProperty & /*newPropertyParent*/, const NodeAbstractProperty & /*oldPropertyParent*/, AbstractView::PropertyChangeFlags /*propertyChange*/) {}
-void DesignDocumentControllerView::nodeIdChanged(const ModelNode& /*node*/, const QString& /*newId*/, const QString& /*oldId*/) {}
-void DesignDocumentControllerView::propertiesAboutToBeRemoved(const QList<AbstractProperty>& /*propertyList*/) {}
-void DesignDocumentControllerView::propertiesRemoved(const QList<AbstractProperty>& /*propertyList*/) {}
-void DesignDocumentControllerView::variantPropertiesChanged(const QList<VariantProperty>& /*propertyList*/, AbstractView::PropertyChangeFlags /*propertyChange*/) {}
-void DesignDocumentControllerView::bindingPropertiesChanged(const QList<BindingProperty>& /*propertyList*/, AbstractView::PropertyChangeFlags /*propertyChange*/) {}
-void DesignDocumentControllerView::rootNodeTypeChanged(const QString & /*type*/, int /*majorVersion*/, int /*minorVersion*/) {}
 
-void DesignDocumentControllerView::selectedNodesChanged(const QList<ModelNode> & /*selectedNodeList*/,
+DesignDocumentView::~DesignDocumentView()
+{
+}
+
+void DesignDocumentView::nodeCreated(const ModelNode & /*createdNode*/) {}
+void DesignDocumentView::nodeAboutToBeRemoved(const ModelNode & /*removedNode*/) {}
+void DesignDocumentView::nodeRemoved(const ModelNode & /*removedNode*/, const NodeAbstractProperty & /*parentProperty*/, AbstractView::PropertyChangeFlags /*propertyChange*/) {}
+void DesignDocumentView::nodeAboutToBeReparented(const ModelNode & /*node*/, const NodeAbstractProperty & /*newPropertyParent*/, const NodeAbstractProperty & /*oldPropertyParent*/, AbstractView::PropertyChangeFlags /*propertyChange*/) {}
+void DesignDocumentView::nodeReparented(const ModelNode & /*node*/, const NodeAbstractProperty & /*newPropertyParent*/, const NodeAbstractProperty & /*oldPropertyParent*/, AbstractView::PropertyChangeFlags /*propertyChange*/) {}
+void DesignDocumentView::nodeIdChanged(const ModelNode& /*node*/, const QString& /*newId*/, const QString& /*oldId*/) {}
+void DesignDocumentView::propertiesAboutToBeRemoved(const QList<AbstractProperty>& /*propertyList*/) {}
+void DesignDocumentView::propertiesRemoved(const QList<AbstractProperty>& /*propertyList*/) {}
+void DesignDocumentView::variantPropertiesChanged(const QList<VariantProperty>& /*propertyList*/, AbstractView::PropertyChangeFlags /*propertyChange*/) {}
+void DesignDocumentView::bindingPropertiesChanged(const QList<BindingProperty>& /*propertyList*/, AbstractView::PropertyChangeFlags /*propertyChange*/) {}
+void DesignDocumentView::rootNodeTypeChanged(const QString & /*type*/, int /*majorVersion*/, int /*minorVersion*/) {}
+
+void DesignDocumentView::selectedNodesChanged(const QList<ModelNode> & /*selectedNodeList*/,
                           const QList<ModelNode> & /*lastSelectedNodeList*/) {}
 
-void DesignDocumentControllerView::nodeOrderChanged(const NodeListProperty & /*listProperty*/, const ModelNode & /*movedNode*/, int /*oldIndex*/) {}
+void DesignDocumentView::nodeOrderChanged(const NodeListProperty & /*listProperty*/, const ModelNode & /*movedNode*/, int /*oldIndex*/) {}
 
-void DesignDocumentControllerView::scriptFunctionsChanged(const ModelNode &/*node*/, const QStringList &/*scriptFunctionList*/)
+void DesignDocumentView::scriptFunctionsChanged(const ModelNode &/*node*/, const QStringList &/*scriptFunctionList*/)
 {
 }
 
-void DesignDocumentControllerView::instancePropertyChange(const QList<QPair<ModelNode, QString> > &/*propertyList*/)
+void DesignDocumentView::instancePropertyChange(const QList<QPair<ModelNode, QString> > &/*propertyList*/)
 {
 }
 
-void DesignDocumentControllerView::instancesCompleted(const QVector<ModelNode> &/*completedNodeList*/)
+void DesignDocumentView::instancesCompleted(const QVector<ModelNode> &/*completedNodeList*/)
 {
 
 }
-void DesignDocumentControllerView::instanceInformationsChange(const QMultiHash<ModelNode, InformationName> &/*informationChangeHash*/)
+void DesignDocumentView::instanceInformationsChange(const QMultiHash<ModelNode, InformationName> &/*informationChangeHash*/)
 {
 
 }
 
-void DesignDocumentControllerView::instancesRenderImageChanged(const QVector<ModelNode> &/*nodeList*/)
+void DesignDocumentView::instancesRenderImageChanged(const QVector<ModelNode> &/*nodeList*/)
 {
 
 }
 
-void DesignDocumentControllerView::instancesPreviewImageChanged(const QVector<ModelNode> &/*nodeList*/)
+void DesignDocumentView::instancesPreviewImageChanged(const QVector<ModelNode> &/*nodeList*/)
 {
 
 }
 
-void DesignDocumentControllerView::instancesChildrenChanged(const QVector<ModelNode> &/*nodeList*/)
+void DesignDocumentView::instancesChildrenChanged(const QVector<ModelNode> &/*nodeList*/)
 {
 
 }
 
-void DesignDocumentControllerView::instancesToken(const QString &/*tokenName*/, int /*tokenNumber*/, const QVector<ModelNode> &/*nodeVector*/)
+void DesignDocumentView::instancesToken(const QString &/*tokenName*/, int /*tokenNumber*/, const QVector<ModelNode> &/*nodeVector*/)
 {
 
 }
 
-void DesignDocumentControllerView::nodeSourceChanged(const ModelNode &, const QString & /*newNodeSource*/)
+void DesignDocumentView::nodeSourceChanged(const ModelNode &, const QString & /*newNodeSource*/)
 {
 
 }
 
-void DesignDocumentControllerView::rewriterBeginTransaction()
+void DesignDocumentView::rewriterBeginTransaction()
 {
 
 }
 
-void DesignDocumentControllerView::rewriterEndTransaction()
+void DesignDocumentView::rewriterEndTransaction()
 {
 }
 
-void DesignDocumentControllerView::actualStateChanged(const ModelNode &/*node*/)
+void DesignDocumentView::actualStateChanged(const ModelNode &/*node*/)
 {
 }
 
-void DesignDocumentControllerView::importsChanged(const QList<Import> &/*addedImports*/, const QList<Import> &/*removedImports*/)
+void DesignDocumentView::importsChanged(const QList<Import> &/*addedImports*/, const QList<Import> &/*removedImports*/)
 {
 
 }
@@ -131,7 +140,7 @@ static QByteArray stringListToArray(const QStringList &stringList)
     return str.toLatin1();
 }
 
-void DesignDocumentControllerView::toClipboard() const
+void DesignDocumentView::toClipboard() const
 {
     QClipboard *clipboard = QApplication::clipboard();
 
@@ -146,7 +155,7 @@ void DesignDocumentControllerView::toClipboard() const
     clipboard->setMimeData(data);
 }
 
-void DesignDocumentControllerView::fromClipboard()
+void DesignDocumentView::fromClipboard()
 {
     QClipboard *clipboard = QApplication::clipboard();
     fromText(clipboard->text());
@@ -158,7 +167,7 @@ void DesignDocumentControllerView::fromClipboard()
 }
 
 
-QString DesignDocumentControllerView::toText() const
+QString DesignDocumentView::toText() const
 {
     QScopedPointer<Model> outputModel(Model::create("QtQuick.Rectangle", 1, 0, model()));
     outputModel->setFileUrl(model()->fileUrl());
@@ -178,7 +187,7 @@ QString DesignDocumentControllerView::toText() const
     QScopedPointer<RewriterView> rewriterView(new RewriterView(RewriterView::Amend, 0));
     rewriterView->setCheckSemanticErrors(false);
     rewriterView->setTextModifier(&modifier);
-    outputModel->attachView(rewriterView.data());
+    outputModel->setRewriterView(rewriterView.data());
 
     ModelMerger merger(rewriterView.data());
 
@@ -190,7 +199,7 @@ QString DesignDocumentControllerView::toText() const
     return rewriterView->extractText(QList<ModelNode>() << rewriterNode).value(rewriterNode);
 }
 
-void DesignDocumentControllerView::fromText(QString text)
+void DesignDocumentView::fromText(QString text)
 {
     QScopedPointer<Model> inputModel(Model::create("QtQuick.Rectangle", 1, 0, model()));
     inputModel->setFileUrl(model()->fileUrl());
@@ -205,7 +214,7 @@ void DesignDocumentControllerView::fromText(QString text)
     QScopedPointer<RewriterView> rewriterView(new RewriterView(RewriterView::Amend, 0));
     rewriterView->setCheckSemanticErrors(false);
     rewriterView->setTextModifier(&modifier);
-    inputModel->attachView(rewriterView.data());
+    inputModel->setRewriterView(rewriterView.data());
 
     if (rewriterView->errors().isEmpty() && rewriterView->rootModelNode().isValid()) {
         ModelMerger merger(this);
@@ -213,4 +222,9 @@ void DesignDocumentControllerView::fromText(QString text)
     }
 }
 
+QWidget *DesignDocumentView::widget()
+{
+    return 0;
+}
+
 }// namespace QmlDesigner

src/plugins/qmldesigner/components/integration/designdocumentview.h

@@ -27,20 +27,20 @@
 **
 ****************************************************************************/
 
-#ifndef DESIGNDOCUMENTCONTROLLERVIEW_H
+#ifndef DesignDocumentVIEW_H
-#define DESIGNDOCUMENTCONTROLLERVIEW_H
+#define DesignDocumentVIEW_H
 
 #include <abstractview.h>
 #include <modelmerger.h>
 
 namespace QmlDesigner {
 
-class DesignDocumentControllerView : public AbstractView
+class DesignDocumentView : public AbstractView
 {
         Q_OBJECT
 public:
-    DesignDocumentControllerView(QObject *parent = 0)
+    DesignDocumentView(QObject *parent = 0);
-            : AbstractView(parent), m_modelMerger(this) {}
+    ~DesignDocumentView();
 
     virtual void nodeCreated(const ModelNode &createdNode);
     virtual void nodeAboutToBeRemoved(const ModelNode &removedNode);
@@ -87,10 +87,12 @@ public:
     QString toText() const;
     void fromText(QString text);
 
+    QWidget *widget();
+
 private:
     ModelMerger m_modelMerger;
 };
 
 }// namespace QmlDesigner
 
-#endif // DESIGNDOCUMENTCONTROLLERVIEW_H
+#endif // DesignDocumentVIEW_H

src/plugins/qmldesigner/components/integration/integration.pri

@@ -1,8 +1,8 @@
 VPATH += $$PWD
 INCLUDEPATH += $$PWD
 SOURCES += \
-    designdocumentcontroller.cpp \
+    designdocument.cpp \
-    designdocumentcontrollerview.cpp \
+    designdocumentview.cpp \
     utilitypanelcontroller.cpp \
     stackedutilitypanelcontroller.cpp \
     componentaction.cpp \
@@ -10,8 +10,8 @@ SOURCES += \
     xuifiledialog.cpp
 
 HEADERS += \
-    designdocumentcontrollerview.h \
+    designdocumentview.h \
-    designdocumentcontroller.h \
+    designdocument.h \
     utilitypanelcontroller.h \
     stackedutilitypanelcontroller.h \
     componentaction.h \

src/plugins/qmldesigner/components/integration/stackedutilitypanelcontroller.cpp

@@ -29,7 +29,7 @@
 
 #include <QStackedWidget>
 
-#include "designdocumentcontroller.h"
+#include "designdocument.h"
 #include "stackedutilitypanelcontroller.h"
 
 namespace QmlDesigner {
@@ -43,12 +43,12 @@ StackedUtilityPanelController::StackedUtilityPanelController(QObject* parent):
     m_stackedWidget->setFrameStyle(QFrame::NoFrame);
 }
 
-void StackedUtilityPanelController::show(DesignDocumentController* designDocumentController)
+void StackedUtilityPanelController::show(DesignDocument* DesignDocument)
 {
-    if (!designDocumentController)
+    if (!DesignDocument)
         return;
 
-    QWidget* page = stackedPageWidget(designDocumentController);
+    QWidget* page = stackedPageWidget(DesignDocument);
 
     if (!m_stackedWidget->children().contains(page))
         m_stackedWidget->addWidget(page);
@@ -57,9 +57,9 @@ void StackedUtilityPanelController::show(DesignDocumentController* designDocumen
     page->show();
 }
 
-void StackedUtilityPanelController::close(DesignDocumentController* designDocumentController)
+void StackedUtilityPanelController::close(DesignDocument* DesignDocument)
 {
-    QWidget* page = stackedPageWidget(designDocumentController);
+    QWidget* page = stackedPageWidget(DesignDocument);
 
     if (m_stackedWidget->children().contains(page)) {
         page->hide();

src/plugins/qmldesigner/components/integration/stackedutilitypanelcontroller.h

@@ -34,7 +34,7 @@
 
 namespace QmlDesigner {
 
-class DesignDocumentController;
+class DesignDocument;
 
 class StackedUtilityPanelController : public UtilityPanelController
 {
@@ -44,12 +44,12 @@ public:
     StackedUtilityPanelController(QObject* parent = 0);
 
 public slots:
-    void show(DesignDocumentController* designDocumentController);
+    void show(DesignDocument* DesignDocument);
-    void close(DesignDocumentController* designDocumentController);
+    void close(DesignDocument* DesignDocument);
 
 protected:
     virtual QWidget* contentWidget() const;
-    virtual QWidget* stackedPageWidget(DesignDocumentController* designDocumentController) const = 0;
+    virtual QWidget* stackedPageWidget(DesignDocument* DesignDocument) const = 0;
 
 private:
     class QStackedWidget* m_stackedWidget;

src/plugins/qmldesigner/components/itemlibrary/itemlibraryview.cpp

@@ -33,7 +33,7 @@
 
 namespace QmlDesigner {
 
-ItemLibraryView::ItemLibraryView(QObject* parent) : AbstractView(parent), m_widget(new ItemLibraryWidget)
+ItemLibraryView::ItemLibraryView(QObject* parent) : AbstractView(parent)
 {
 
 }
@@ -43,8 +43,11 @@ ItemLibraryView::~ItemLibraryView()
 
 }
 
-ItemLibraryWidget *ItemLibraryView::widget()
+QWidget *ItemLibraryView::widget()
 {
+    if (m_widget.isNull())
+        m_widget = new ItemLibraryWidget;
+
     return m_widget.data();
 }
 
@@ -191,6 +194,14 @@ void ItemLibraryView::actualStateChanged(const ModelNode &/*node*/)
 {
 }
 
+void ItemLibraryView::setResourcePath(const QString &resourcePath)
+{
+    if (m_widget.isNull())
+        m_widget = new ItemLibraryWidget;
+
+    m_widget->setResourcePath(resourcePath);
+}
+
 void ItemLibraryView::updateImports()
 {
     m_widget->updateModel();

src/plugins/qmldesigner/components/itemlibrary/itemlibraryview.h

@@ -48,7 +48,7 @@ public:
     ItemLibraryView(QObject* parent = 0);
     ~ItemLibraryView();
 
-    ItemLibraryWidget *widget();
+    QWidget *widget();
 
     // AbstractView
     void modelAttached(Model *model);
@@ -90,6 +90,8 @@ public:
 
     void actualStateChanged(const ModelNode &node);
 
+    void setResourcePath(const QString &resourcePath);
+
 protected:
     void updateImports();
 

src/plugins/qmldesigner/components/navigator/navigatorview.cpp

@@ -94,7 +94,7 @@ NavigatorView::~NavigatorView()
         delete m_widget.data();
 }
 
-NavigatorWidget *NavigatorView::widget()
+QWidget *NavigatorView::widget()
 {
     return m_widget.data();
 }
@@ -270,7 +270,7 @@ void NavigatorView::changeToComponent(const QModelIndex &index)
 {
     if (index.isValid() && m_treeModel->data(index, Qt::UserRole).isValid()) {
         ModelNode doubleClickNode = m_treeModel->nodeForIndex(index);
-        if (doubleClickNode.metaInfo().isComponent())
+        if (doubleClickNode.metaInfo().isFileComponent())
             Core::EditorManager::openEditor(doubleClickNode.metaInfo().componentFileName());
     }
 }

src/plugins/qmldesigner/components/navigator/navigatorview.h

@@ -56,7 +56,7 @@ public:
     NavigatorView(QObject* parent = 0);
     ~NavigatorView();
 
-    NavigatorWidget *widget();
+    QWidget *widget();
 
     // AbstractView
     void modelAttached(Model *model);

src/plugins/qmldesigner/components/propertyeditor/propertyeditor.cpp

@@ -991,7 +991,6 @@ void PropertyEditor::select(const ModelNode &node)
 
 QWidget *PropertyEditor::widget()
 {
-    delayedResetView();
     return m_stackedWidget;
 }
 

src/plugins/qmldesigner/components/stateseditor/stateseditorview.cpp

@@ -53,17 +53,15 @@ namespace QmlDesigner {
 StatesEditorView::StatesEditorView(QObject *parent) :
         QmlModelView(parent),
         m_statesEditorModel(new StatesEditorModel(this)),
+        m_statesEditorWidget(new StatesEditorWidget(this, m_statesEditorModel.data())),
         m_lastIndex(-1)
 {
     Q_ASSERT(m_statesEditorModel);
     // base state
 }
 
-StatesEditorWidget *StatesEditorView::widget()
+QWidget *StatesEditorView::widget()
 {
-    if (m_statesEditorWidget.isNull())
-        m_statesEditorWidget = new StatesEditorWidget(this, m_statesEditorModel.data());
-
     return m_statesEditorWidget.data();
 }
 

src/plugins/qmldesigner/components/stateseditor/stateseditorview.h

@@ -76,7 +76,7 @@ public:
 
     void instancesPreviewImageChanged(const QVector<ModelNode> &nodeList);
 
-    StatesEditorWidget *widget();
+    QWidget *widget();
 
 public slots:
     void synchonizeCurrentStateFromWidget();
@@ -84,6 +84,7 @@ public slots:
     void removeState(int nodeId);
 
 private:
+    StatesEditorWidget *statesEditorWidget() const;
     void resetModel();
     void addState();
     void duplicateCurrentState();

src/plugins/qmldesigner/designercore/designercore-lib.pri

@@ -75,7 +75,8 @@ SOURCES += $$PWD/model/abstractview.cpp \
     $$PWD/model/rewriteactioncompressor.cpp \
     $$PWD/model/qmltextgenerator.cpp \
     $$PWD/model/modelmerger.cpp \
-    $$PWD/exceptions/rewritingexception.cpp
+    $$PWD/exceptions/rewritingexception.cpp \
+    $$PWD/model/viewmanager.cpp
 
 HEADERS += $$PWD/include/qmldesignercorelib_global.h \
     $$PWD/include/abstractview.h \
@@ -145,7 +146,8 @@ HEADERS += $$PWD/include/qmldesignercorelib_global.h \
     $$PWD/include/modelmerger.h \
     $$PWD/include/mathutils.h \
     $$PWD/include/customnotifications.h \
-    $$PWD/include/rewritingexception.h
+    $$PWD/include/rewritingexception.h \
+    $$PWD/include/viewmanager.h
 
 contains(CONFIG, plugin) {
   # If core.pri has been included in the qmldesigner plugin

src/plugins/qmldesigner/designercore/filemanager/qmlwarningdialog.cpp

@@ -50,7 +50,7 @@ void QmlWarningDialog::okButtonPressed()
 bool QmlWarningDialog::warningsEnabled() const
 {
 #ifndef QMLDESIGNER_TEST
-    DesignerSettings settings = BauhausPlugin::pluginInstance()->settings();
+    DesignerSettings settings = QmlDesignerPlugin::instance()->settings();
     return settings.warningsInDesigner;
 #else
     return false;
@@ -60,9 +60,9 @@ bool QmlWarningDialog::warningsEnabled() const
 void QmlWarningDialog::checkBoxToggled(bool b)
 {
 #ifndef QMLDESIGNER_TEST
-    DesignerSettings settings = BauhausPlugin::pluginInstance()->settings();
+    DesignerSettings settings = QmlDesignerPlugin::instance()->settings();
     settings.warningsInDesigner = b;
-    BauhausPlugin::pluginInstance()->setSettings(settings);
+    QmlDesignerPlugin::instance()->setSettings(settings);
 #else
     Q_UNUSED(b);
 #endif

src/plugins/qmldesigner/designercore/include/abstractview.h

@@ -77,6 +77,7 @@ public:
     virtual ~AbstractView();
 
     Model* model() const;
+    bool isAttached() const;
 
     RewriterTransaction beginRewriterTransaction();
 
@@ -104,7 +105,7 @@ public:
     ModelNode modelNodeForInternalId(qint32 internalId);
     bool hasModelNodeForInternalId(qint32 internalId) const;
 
-    QList<ModelNode> allModelNodes();
+    QList<ModelNode> allModelNodes() const;
 
     void emitCustomNotification(const QString &identifier);
     void emitCustomNotification(const QString &identifier, const QList<ModelNode> &nodeList);
@@ -179,6 +180,8 @@ public:
 
     void resetView();
 
+    virtual QWidget *widget() = 0;
+
 protected:
     void setModel(Model * model);
     void removeModel();

src/plugins/qmldesigner/designercore/include/model.h

@@ -58,6 +58,7 @@ class ModelState;
 class NodeAnchors;
 class AbstractProperty;
 class RewriterView;
+class NodeInstanceView;
 
 typedef QList<QPair<QString, QVariant> > PropertyListType;
 
@@ -80,9 +81,6 @@ public:
 
     static Model *create(QString type, int major = 1, int minor = 1, Model *metaInfoPropxyModel = 0);
 
-    Model *masterModel() const;
-    void setMasterModel(Model *model);
-
     QUrl fileUrl() const;
     void setFileUrl(const QUrl &url);
 
@@ -103,6 +101,10 @@ public:
     QString pathForImport(const Import &import);
 
     RewriterView *rewriterView() const;
+    void setRewriterView(RewriterView *rewriterView);
+
+    NodeInstanceView *nodeInstanceView() const;
+    void setNodeInstanceView(NodeInstanceView *nodeInstanceView);
 
     Model *metaInfoProxyModel();
 

src/plugins/qmldesigner/designercore/include/nodeinstanceview.h

@@ -143,6 +143,8 @@ public:
 
     void sendToken(const QString &token, int number, const QVector<ModelNode> &nodeVector);
 
+    QWidget *widget();
+
 signals:
     void qmlPuppetCrashed();
 

src/plugins/qmldesigner/designercore/include/nodemetainfo.h

@@ -68,7 +68,7 @@ public:
     NodeMetaInfo &operator=(const NodeMetaInfo &other);
 
     bool isValid() const;
-    bool isComponent() const;
+    bool isFileComponent() const;
     bool hasProperty(const QString &propertyName) const;
     QStringList propertyNames() const;
     QStringList directPropertyNames() const;

src/plugins/qmldesigner/designercore/include/rewriterview.h

@@ -163,6 +163,9 @@ public:
     void setTextModifier(TextModifier *textModifier);
     QString textModifierContent() const;
 
+    void reactivateTextMofifierChangeSignals();
+    void deactivateTextMofifierChangeSignals();
+
     Internal::ModelNodePositionStorage *positionStorage() const
     { return m_positionStorage; }
 
@@ -182,6 +185,7 @@ public:
     int firstDefinitionInsideOffset(const ModelNode &node) const;
     int firstDefinitionInsideLength(const ModelNode &node) const;
     bool modificationGroupActive();
+    ModelNode nodeAtTextCursorPosition(int cursorPosition) const;
 
     bool renameId(const QString& oldId, const QString& newId);
 
@@ -198,6 +202,8 @@ public:
 
     QString pathForImport(const Import &import);
 
+    QWidget *widget();
+
 signals:
     void errorsChanged(const QList<RewriterView::Error> &errors);
 

src/plugins/qmldesigner/designercore/include/viewmanager.h

@@ -0,0 +1,115 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef QMLDESIGNER_VIEWMANAGER_H
+#define QMLDESIGNER_VIEWMANAGER_H
+
+#include "abstractview.h"
+
+#include <rewriterview.h>
+#include <nodeinstanceview.h>
+#include <itemlibraryview.h>
+#include <navigatorview.h>
+#include <stateseditorview.h>
+#include <formeditorview.h>
+#include <propertyeditor.h>
+#include <componentview.h>
+#include <model/viewlogger.h>
+
+namespace QmlDesigner {
+
+class DesignDocument;
+
+namespace Internal {
+    class DesignModeWidget;
+}
+
+class ViewManager
+{
+public:
+    ViewManager();
+
+    void attachRewriterView(TextModifier *textModifier);
+    void detachRewriterView();
+
+    void attachComponentView();
+    void detachComponentView();
+
+    void attachViewsExceptRewriterAndComponetView();
+    void detachViewsExceptRewriterAndComponetView();
+
+    void setItemLibraryViewResourcePath(const QString &resourcePath);
+    void setComponentNode(const ModelNode &componentNode);
+    void setNodeInstanceViewQtPath(const QString & qtPath);
+
+    void resetPropertyEditorView();
+
+    QWidget *formEditorWidget();
+    QWidget *propertyEditorWidget();
+    QWidget *itemLibraryWidget();
+    QWidget *navigatorWidget();
+    QWidget *statesEditorWidget();
+
+    void pushFileOnCrambleBar(const QString &fileName);
+    void pushInFileComponentOnCrambleBar(const QString &componentId);
+    void nextFileIsCalledInternally();
+
+private: // functions
+    Q_DISABLE_COPY(ViewManager)
+
+    void attachNodeInstanceView();
+    void attachItemLibraryView();
+
+
+
+    Model *currentModel() const;
+    Model *documentModel() const;
+    DesignDocument *currentDesignDocument() const;
+    QString pathToQt() const;
+
+    void switchStateEditorViewToBaseState();
+    void switchStateEditorViewToSavedState();
+
+private: // variables
+    QmlModelState m_savedState;
+    Internal::ViewLogger m_viewLogger;
+    ComponentView m_componentView;
+    FormEditorView m_formEditorView;
+    ItemLibraryView m_itemLibraryView;
+    NavigatorView m_navigatorView;
+    PropertyEditor m_propertyEditorView;
+    StatesEditorView m_statesEditorView;
+    NodeInstanceView m_nodeInstanceView;
+
+    QList<QWeakPointer<AbstractView> > m_additionalViews;
+};
+
+} // namespace QmlDesigner
+
+#endif // QMLDESIGNER_VIEWMANAGER_H

src/plugins/qmldesigner/designercore/instances/nodeinstanceview.cpp

@@ -1219,4 +1219,9 @@ void NodeInstanceView::sendToken(const QString &token, int number, const QVector
     nodeInstanceServer()->token(TokenCommand(token, number, instanceIdVector));
 }
 
+QWidget *NodeInstanceView::widget()
+{
+    return 0;
+}
+
 }

src/plugins/qmldesigner/designercore/metainfo/nodemetainfo.cpp

@@ -327,29 +327,10 @@ public:
     ~NodeMetaInfoPrivate() {}
 
     bool isValid() const;
-
+    bool isFileComponent() const;
-    bool isComponent() const
+    QStringList properties() const;
-    {
+    QStringList localProperties() const;
-        return m_isComponent;
+    QString defaultPropertyName() const;
-    }
-
-    QStringList properties() const
-    {
-        return m_properties;
-    }
-
-    QStringList localProperties() const
-    {
-        return m_localProperties;
-    }
-
-    QString defaultPropertyName() const
-    {
-        if (!m_defaultPropertyName.isEmpty())
-            return m_defaultPropertyName;
-        return QLatin1String("data");
-    }
-
     QString propertyType(const QString &propertyName) const;
 
     void setupPrototypes();
@@ -364,17 +345,10 @@ public:
     bool cleverCheckType(const QString &otherType) const;
     QVariant::Type variantTypeId(const QString &properyName) const;
 
-    int majorVersion() const
+    int majorVersion() const;
-    { return m_majorVersion; }
+    int minorVersion() const;
-
+    QString qualfiedTypeName() const;
-    int minorVersion() const
+    Model *model() const;
-    { return m_minorVersion; }
-
-    QString qualfiedTypeName() const
-    { return m_qualfiedTypeName; }
-
-    Model *model() const
-    { return m_model; }
 
     QString cppPackageName() const;
 
@@ -384,20 +358,11 @@ public:
 
     static Pointer create(Model *model, const QString &type, int maj = -1, int min = -1);
 
-     QSet<QString> &prototypeCachePositives()
+    QSet<QString> &prototypeCachePositives();
-     {
+    QSet<QString> &prototypeCacheNegatives();
-         return m_prototypeCachePositives;
-     }
 
-     QSet<QString> &prototypeCacheNegatives()
+    static void clearCache();
-     {
-         return m_prototypeCacheNegatives;
-     }
 
-     static void clearCache()
-     {
-         m_nodeMetaInfoCache.clear();
-     }
 
 private:
     NodeMetaInfoPrivate(Model *model, QString type, int maj = -1, int min = -1);
@@ -415,7 +380,7 @@ private:
     int m_majorVersion;
     int m_minorVersion;
     bool m_isValid;
-    bool m_isComponent;
+    bool m_isFileComponent;
     QStringList m_properties;
     QStringList m_propertyTypes;
     QStringList m_localProperties;
@@ -434,6 +399,42 @@ private:
 
 QHash<QString, NodeMetaInfoPrivate::Pointer> NodeMetaInfoPrivate::m_nodeMetaInfoCache;
 
+bool NodeMetaInfoPrivate::isFileComponent() const
+{
+    return m_isFileComponent;
+}
+
+QStringList NodeMetaInfoPrivate::properties() const
+{
+    return m_properties;
+}
+
+QStringList NodeMetaInfoPrivate::localProperties() const
+{
+    return m_localProperties;
+}
+
+QSet<QString> &NodeMetaInfoPrivate::prototypeCachePositives()
+{
+    return m_prototypeCachePositives;
+}
+
+QSet<QString> &NodeMetaInfoPrivate::prototypeCacheNegatives()
+{
+    return m_prototypeCacheNegatives;
+}
+
+void NodeMetaInfoPrivate::clearCache()
+{
+    m_nodeMetaInfoCache.clear();
+}
+
+QString NodeMetaInfoPrivate::defaultPropertyName() const
+{
+    if (!m_defaultPropertyName.isEmpty())
+        return m_defaultPropertyName;
+    return QLatin1String("data");
+}
 
 static inline QString stringIdentifier( const QString &type, int maj, int min)
 {
@@ -463,7 +464,7 @@ NodeMetaInfoPrivate::NodeMetaInfoPrivate() : m_isValid(false)
 
 NodeMetaInfoPrivate::NodeMetaInfoPrivate(Model *model, QString type, int maj, int min) :
                                         m_qualfiedTypeName(type), m_majorVersion(maj),
-                                        m_minorVersion(min), m_isValid(false), m_isComponent(false),
+                                        m_minorVersion(min), m_isValid(false), m_isFileComponent(false),
                                         m_model(model)
 {
     if (context()) {
@@ -493,7 +494,7 @@ NodeMetaInfoPrivate::NodeMetaInfoPrivate(Model *model, QString type, int maj, in
                         return;
                     }
                 } else {
-                    m_isComponent = true;
+                    m_isFileComponent = true;
                 }
                 setupPropertyInfo(getTypes(objectValue, context()));
                 setupLocalPropertyInfo(getTypes(objectValue, context(), true));
@@ -731,7 +732,7 @@ bool NodeMetaInfoPrivate::cleverCheckType(const QString &otherType) const
     if (otherType == qualfiedTypeName())
             return true;
 
-    if (isComponent())
+    if (isFileComponent())
         return false;
 
     QStringList split = otherType.split('.');
@@ -793,6 +794,26 @@ QVariant::Type NodeMetaInfoPrivate::variantTypeId(const QString &properyName) co
     return QVariant::nameToType(typeName.toLatin1().data());
 }
 
+int NodeMetaInfoPrivate::majorVersion() const
+{
+    return m_majorVersion;
+}
+
+int NodeMetaInfoPrivate::minorVersion() const
+{
+    return m_minorVersion;
+}
+
+QString NodeMetaInfoPrivate::qualfiedTypeName() const
+{
+    return m_qualfiedTypeName;
+}
+
+Model *NodeMetaInfoPrivate::model() const
+{
+    return m_model;
+}
+
 
 QStringList NodeMetaInfoPrivate::keysForEnum(const QString &enumName) const
 {
@@ -807,7 +828,7 @@ QStringList NodeMetaInfoPrivate::keysForEnum(const QString &enumName) const
 
 QString NodeMetaInfoPrivate::cppPackageName() const
 {
-    if (!isComponent()) {
+    if (!isFileComponent()) {
         if (const CppComponentValue *qmlObject = getCppComponentValue())
             return qmlObject->moduleName();
     }
@@ -816,7 +837,7 @@ QString NodeMetaInfoPrivate::cppPackageName() const
 
 QString NodeMetaInfoPrivate::componentSource() const
 {
-    if (isComponent()) {
+    if (isFileComponent()) {
         const ASTObjectValue * astObjectValue = value_cast<ASTObjectValue>(getObjectValue());
         if (astObjectValue)
             return astObjectValue->document()->source().mid(astObjectValue->typeName()->identifierToken.begin(),
@@ -827,7 +848,7 @@ QString NodeMetaInfoPrivate::componentSource() const
 
 QString NodeMetaInfoPrivate::componentFileName() const
 {
-    if (isComponent()) {
+    if (isFileComponent()) {
         const ASTObjectValue * astObjectValue = value_cast<ASTObjectValue>(getObjectValue());
         if (astObjectValue) {
             QString fileName;
@@ -890,7 +911,7 @@ QString NodeMetaInfoPrivate::propertyType(const QString &propertyName) const
 void NodeMetaInfoPrivate::setupPrototypes()
 {
     QList<const ObjectValue *> objects;
-    if (m_isComponent)
+    if (m_isFileComponent)
         objects = PrototypeIterator(getObjectValue(), context()).all();
     else
         objects = PrototypeIterator(getCppComponentValue(), context()).all();
@@ -927,7 +948,7 @@ QList<TypeDescription> NodeMetaInfoPrivate::prototypes() const
 
 const QmlJS::CppComponentValue *NodeMetaInfoPrivate::getNearestCppComponentValue() const
 {
-    if (m_isComponent)
+    if (m_isFileComponent)
         return findQmlPrototype(getObjectValue(), context());
     return getCppComponentValue();
 }
@@ -973,9 +994,9 @@ bool NodeMetaInfo::isValid() const
     return m_privateData->isValid();
 }
 
-bool NodeMetaInfo::isComponent() const
+bool NodeMetaInfo::isFileComponent() const
 {
-    return m_privateData->isComponent();
+    return m_privateData->isFileComponent();
 }
 
 bool NodeMetaInfo::hasProperty(const QString &propertyName) const

src/plugins/qmldesigner/designercore/model/abstractview.cpp

@@ -132,6 +132,11 @@ Model* AbstractView::model() const
     return m_model.data();
 }
 
+bool AbstractView::isAttached() const
+{
+    return model();
+}
+
 /*!
 \brief is called if a view is being attached to a model
 \param model which is being attached
@@ -362,7 +367,7 @@ void AbstractView::resetView()
     currentModel->attachView(this);
 }
 
-QList<ModelNode> AbstractView::allModelNodes()
+QList<ModelNode> AbstractView::allModelNodes() const
 {
    return toModelNodeList(model()->d->allNodes());
 }

src/plugins/qmldesigner/designercore/model/model.cpp

@@ -1525,12 +1525,13 @@ void  ModelPrivate::setRewriterView(RewriterView *rewriterView)
 
     Q_ASSERT(!(rewriterView && m_rewriterView));
 
+    if (m_rewriterView)
+            m_rewriterView->modelAboutToBeDetached(model());
+
     m_rewriterView = rewriterView;
 
     if (rewriterView)
         rewriterView->modelAttached(model());
-    else if (m_rewriterView)
-        m_rewriterView->modelAboutToBeDetached(model());
 }
 
 RewriterView  *ModelPrivate::rewriterView() const
@@ -1730,6 +1731,21 @@ RewriterView *Model::rewriterView() const
     return d->rewriterView();
 }
 
+void Model::setRewriterView(RewriterView *rewriterView)
+{
+    d->setRewriterView(rewriterView);
+}
+
+NodeInstanceView *Model::nodeInstanceView() const
+{
+    return d->nodeInstanceView();
+}
+
+void Model::setNodeInstanceView(NodeInstanceView *nodeInstanceView)
+{
+    d->setNodeInstanceView(nodeInstanceView);
+}
+
 /*!
  \brief Returns the model that is used for metainfo
  \return Return itself if not other metaInfoProxyModel does exist
@@ -1755,16 +1771,6 @@ Model *Model::create(const QString &rootType)
 }
 #endif
 
-Model *Model::masterModel() const
-{
-    return d->m_masterModel.data();
-}
-
-void Model::setMasterModel(Model *model)
-{
-    d->m_masterModel = model;
-}
-
 /*!
   \brief Returns the URL against which relative URLs within the model should be resolved.
   \return The base URL.
@@ -1834,13 +1840,11 @@ void Model::attachView(AbstractView *view)
 //    Internal::WriteLocker locker(d);
     RewriterView *rewriterView = qobject_cast<RewriterView*>(view);
     if (rewriterView) {
-        d->setRewriterView(rewriterView);
         return;
     }
 
     NodeInstanceView *nodeInstanceView = qobject_cast<NodeInstanceView*>(view);
     if (nodeInstanceView) {
-        d->setNodeInstanceView(nodeInstanceView);
         return;
     }
 
@@ -1862,13 +1866,11 @@ void Model::detachView(AbstractView *view, ViewNotification emitDetachNotify)
 
     RewriterView *rewriterView = qobject_cast<RewriterView*>(view);
     if (rewriterView) {
-        d->setRewriterView(0);
         return;
     }
 
     NodeInstanceView *nodeInstanceView = qobject_cast<NodeInstanceView*>(view);
     if (nodeInstanceView) {
-        d->setNodeInstanceView(0);
         return;
     }
 

src/plugins/qmldesigner/designercore/model/model_p.h

@@ -212,6 +212,8 @@ public:
 
     void setRewriterView(RewriterView *rewriterView);
     RewriterView *rewriterView() const;
+
+
     void setNodeInstanceView(NodeInstanceView *nodeInstanceView);
     NodeInstanceView *nodeInstanceView() const;
 
@@ -229,7 +231,6 @@ private: //functions
 private:
     Model *m_q;
     MetaInfo m_metaInfo;
-
     QList<Import> m_imports;
     QList<QWeakPointer<AbstractView> > m_viewList;
     QList<InternalNodePointer> m_selectedNodeList;
@@ -237,17 +238,11 @@ private:
     QHash<qint32, InternalNodePointer> m_internalIdNodeHash;
     QSet<InternalNodePointer> m_nodeSet;
     InternalNodePointer m_acutalStateNode;
-
-
     InternalNodePointer m_rootInternalNode;
-
     QUrl m_fileUrl;
-
-    QWeakPointer<Model> m_masterModel;
     QWeakPointer<RewriterView> m_rewriterView;
     QWeakPointer<NodeInstanceView> m_nodeInstanceView;
     QWeakPointer<Model> m_metaInfoProxyModel;
-
     bool m_writeLock;
     qint32 m_internalIdCounter;
 };

src/plugins/qmldesigner/designercore/model/qmlmodelview.cpp

@@ -229,7 +229,7 @@ QmlItemNode QmlModelView::createQmlItemNode(const ItemLibraryEntry &itemLibraryE
             QScopedPointer<RewriterView> rewriterView(new RewriterView(RewriterView::Amend, 0));
             rewriterView->setCheckSemanticErrors(false);
             rewriterView->setTextModifier(&modifier);
-            inputModel->attachView(rewriterView.data());
+            inputModel->setRewriterView(rewriterView.data());
 
             if (rewriterView->errors().isEmpty() && rewriterView->rootModelNode().isValid()) {
                 ModelNode rootModelNode = rewriterView->rootModelNode();

src/plugins/qmldesigner/designercore/model/rewriterview.cpp

@@ -472,6 +472,16 @@ QString RewriterView::textModifierContent() const
     return QString();
 }
 
+void RewriterView::reactivateTextMofifierChangeSignals()
+{
+    textModifier()->reactivateChangeSignals();
+}
+
+void RewriterView::deactivateTextMofifierChangeSignals()
+{
+    textModifier()->deactivateChangeSignals();
+}
+
 void RewriterView::applyModificationGroupChanges()
 {
     Q_ASSERT(transactionLevel == 0);
@@ -615,6 +625,31 @@ bool RewriterView::modificationGroupActive()
     return m_modificationGroupActive;
 }
 
+static bool isInNodeDefinition(int nodeTextOffset, int nodeTextLength, int cursorPosition)
+{
+    return (nodeTextOffset <= cursorPosition) && (nodeTextOffset + nodeTextLength > cursorPosition);
+}
+
+ModelNode RewriterView::nodeAtTextCursorPosition(int cursorPosition) const
+{
+    const QList<ModelNode> allNodes = allModelNodes();
+
+    ModelNode nearestNode;
+    int nearestNodeTextOffset = -1;
+
+    foreach (const ModelNode &currentNode, allNodes) {
+        const int nodeTextOffset = nodeOffset(currentNode);
+        const int nodeTextLength = nodeLength(currentNode);
+        if (isInNodeDefinition(nodeTextOffset, nodeTextLength, cursorPosition)
+            && (nodeTextOffset > nearestNodeTextOffset)) {
+            nearestNode = currentNode;
+            nearestNodeTextOffset = nodeTextOffset;
+        }
+    }
+
+    return nearestNode;
+}
+
 bool RewriterView::renameId(const QString& oldId, const QString& newId)
 {
     if (textModifier())
@@ -698,6 +733,10 @@ QString RewriterView::pathForImport(const Import &import)
     return QString();
 }
 
+QWidget *RewriterView::widget()
+{
+    return 0;
+}
 
 void RewriterView::qmlTextChanged()
 {

src/plugins/qmldesigner/designercore/model/viewlogger.cpp

@@ -285,5 +285,10 @@ void ViewLogger::actualStateChanged(const ModelNode &node)
 {
     m_output << time() << indent("actualStateChanged:") << node << endl;
 }
+
+QWidget *ViewLogger::widget()
+{
+    return 0;
+}
 } // namespace Internal
 } // namespace QmlDesigner

src/plugins/qmldesigner/designercore/model/viewlogger.h

@@ -42,7 +42,7 @@ class ViewLogger : public QmlDesigner::AbstractView
 {
     Q_OBJECT
 public:
-    ViewLogger(QObject *parent);
+    ViewLogger(QObject *parent = 0);
 
     void modelAttached(Model *model);
     void modelAboutToBeDetached(Model *model);
@@ -87,6 +87,8 @@ public:
 
     void actualStateChanged(const ModelNode &node);
 
+    QWidget *widget();
+
 protected:
     QString time() const;
 

src/plugins/qmldesigner/designercore/model/viewmanager.cpp

@@ -0,0 +1,194 @@
+#include "viewmanager.h"
+
+#include "designdocument.h"
+#include "componentaction.h"
+#include "itemlibrarywidget.h"
+#include "designmodewidget.h"
+#include "formeditorwidget.h"
+#include "toolbox.h"
+#include "designeractionmanager.h"
+
+#include <qmldesigner/qmldesignerplugin.h>
+
+#include <utils/crumblepath.h>
+#include <qtsupport/baseqtversion.h>
+#include <qtsupport/qtversionmanager.h>
+#include <qtsupport/qtsupportconstants.h>
+
+namespace QmlDesigner {
+
+ViewManager::ViewManager()
+{
+    //QObject::connect(&m_nodeInstanceView, SIGNAL(qmlPuppetCrashed()), designModeWidget, SLOT(qmlPuppetCrashed()));
+    //QObject::connect(m_formEditorView.crumblePath(), SIGNAL(elementClicked(QVariant)), designModeWidget, SLOT(onCrumblePathElementClicked(QVariant)));
+    m_formEditorView.formEditorWidget()->toolBox()->addLeftSideAction(m_componentView.action()); // ugly hack
+}
+
+DesignDocument *ViewManager::currentDesignDocument() const
+{
+    return QmlDesignerPlugin::instance()->documentManager().currentDesignDocument();
+}
+
+QString ViewManager::pathToQt() const
+{
+    QtSupport::BaseQtVersion *activeQtVersion = QtSupport::QtVersionManager::instance()->version(currentDesignDocument()->qtVersionId());
+    if (activeQtVersion && (activeQtVersion->qtVersion() >= QtSupport::QtVersionNumber(4, 7, 1))
+            && (activeQtVersion->type() == QLatin1String(QtSupport::Constants::DESKTOPQT)
+                || activeQtVersion->type() == QLatin1String(QtSupport::Constants::SIMULATORQT)))
+        return activeQtVersion->qmakeProperty("QT_INSTALL_DATA");
+
+    return QString();
+}
+
+void ViewManager::attachNodeInstanceView()
+{
+    setNodeInstanceViewQtPath(pathToQt());
+    currentModel()->setNodeInstanceView(&m_nodeInstanceView);
+}
+
+void ViewManager::attachRewriterView(TextModifier *textModifier)
+{
+    if (currentDesignDocument()->rewriterView()) {
+        currentDesignDocument()->rewriterView()->setTextModifier(textModifier);
+        currentDesignDocument()->rewriterView()->reactivateTextMofifierChangeSignals();
+        currentModel()->setRewriterView(currentDesignDocument()->rewriterView());
+    }
+}
+
+void ViewManager::detachRewriterView()
+{
+    if (currentDesignDocument()->rewriterView()) {
+        currentDesignDocument()->rewriterView()->deactivateTextMofifierChangeSignals();
+        currentModel()->setRewriterView(0);
+    }
+}
+
+void ViewManager::switchStateEditorViewToBaseState()
+{
+    if (m_statesEditorView.isAttached()) {
+        m_savedState = m_statesEditorView.currentState();
+        m_statesEditorView.setCurrentState(m_statesEditorView.baseState());
+    }
+}
+
+void ViewManager::switchStateEditorViewToSavedState()
+{
+    if (m_savedState.isValid() && m_statesEditorView.isAttached())
+        m_statesEditorView.setCurrentState(m_savedState);
+}
+
+void ViewManager::resetPropertyEditorView()
+{
+    m_propertyEditorView.resetView();
+}
+
+void ViewManager::detachViewsExceptRewriterAndComponetView()
+{
+    switchStateEditorViewToBaseState();
+    currentModel()->detachView(DesignerActionManager::view());
+    currentModel()->detachView(&m_formEditorView);
+    currentModel()->detachView(&m_navigatorView);
+    currentModel()->detachView(&m_itemLibraryView);
+    currentModel()->detachView(&m_statesEditorView);
+    currentModel()->detachView(&m_propertyEditorView);
+    currentModel()->setNodeInstanceView(0);
+}
+
+void ViewManager::attachItemLibraryView()
+{
+    setItemLibraryViewResourcePath(QFileInfo(currentDesignDocument()->fileName()).absolutePath());
+    currentModel()->attachView(&m_itemLibraryView);
+}
+
+void ViewManager::attachComponentView()
+{
+    documentModel()->attachView(&m_componentView);
+    QObject::connect(m_componentView.action(), SIGNAL(currentComponentChanged(ModelNode)), currentDesignDocument(), SLOT(changeCurrentModelTo(ModelNode)));
+}
+
+void ViewManager::detachComponentView()
+{
+    QObject::disconnect(m_componentView.action(), SIGNAL(currentComponentChanged(ModelNode)), currentDesignDocument(), SLOT(changeCurrentModelTo(ModelNode)));
+    documentModel()->detachView(&m_componentView);
+}
+
+void ViewManager::attachViewsExceptRewriterAndComponetView()
+{
+    attachNodeInstanceView();
+    currentModel()->attachView(&m_formEditorView);
+    currentModel()->attachView(&m_navigatorView);
+    attachItemLibraryView();
+    currentModel()->attachView(&m_statesEditorView);
+    currentModel()->attachView(&m_propertyEditorView);
+    currentModel()->attachView(DesignerActionManager::view());
+    switchStateEditorViewToSavedState();
+}
+
+void ViewManager::setItemLibraryViewResourcePath(const QString &resourcePath)
+{
+    m_itemLibraryView.setResourcePath(resourcePath);
+}
+
+void ViewManager::setComponentNode(const ModelNode &componentNode)
+{
+    qDebug() << __FUNCTION__ << componentNode;
+    m_componentView.setComponentNode(componentNode);
+}
+
+void ViewManager::setNodeInstanceViewQtPath(const QString &qtPath)
+{
+    m_nodeInstanceView.setPathToQt(qtPath);
+}
+
+QWidget *ViewManager::formEditorWidget()
+{
+    return m_formEditorView.widget();
+}
+
+QWidget *ViewManager::propertyEditorWidget()
+{
+    return m_propertyEditorView.widget();
+}
+
+QWidget *ViewManager::itemLibraryWidget()
+{
+    return m_itemLibraryView.widget();
+}
+
+QWidget *ViewManager::navigatorWidget()
+{
+    return m_navigatorView.widget();
+}
+
+QWidget *ViewManager::statesEditorWidget()
+{
+    return m_statesEditorView.widget();
+}
+
+void ViewManager::pushFileOnCrambleBar(const QString &fileName)
+{
+    m_formEditorView.formEditorWidget()->formEditorCrumbleBar()->pushFile(fileName);
+}
+
+void ViewManager::pushInFileComponentOnCrambleBar(const QString &componentId)
+
+{
+    m_formEditorView.formEditorWidget()->formEditorCrumbleBar()->pushInFileComponent(componentId);
+}
+
+void ViewManager::nextFileIsCalledInternally()
+{
+    m_formEditorView.formEditorWidget()->formEditorCrumbleBar()->nextFileIsCalledInternally();
+}
+
+Model *ViewManager::currentModel() const
+{
+    return currentDesignDocument()->currentModel();
+}
+
+Model *ViewManager::documentModel() const
+{
+    return currentDesignDocument()->documentModel();
+}
+
+} // namespace QmlDesigner

src/plugins/qmldesigner/designmodewidget.cpp

@@ -31,14 +31,13 @@
 #include "qmldesignerconstants.h"
 #include "styledoutputpaneplaceholder.h"
 #include "designmodecontext.h"
+#include "qmldesignerplugin.h"
 
 #include <model.h>
 #include <rewriterview.h>
-#include <formeditorwidget.h>
-#include <stateseditorwidget.h>
-#include <itemlibrarywidget.h>
 #include <componentaction.h>
 #include <toolbox.h>
+#include <itemlibrarywidget.h>
 
 #include <coreplugin/coreconstants.h>
 #include <coreplugin/designmode.h>
@@ -93,8 +92,6 @@ const char SB_OPENDOCUMENTS[] = "OpenDocuments";
 namespace QmlDesigner {
 namespace Internal {
 
-DesignModeWidget *DesignModeWidget::s_instance = 0;
-
 DocumentWarningWidget::DocumentWarningWidget(DesignModeWidget *parent) :
         Utils::FakeToolTip(parent),
         m_errorMessage(new QLabel(tr("Placeholder"), this)),
@@ -137,13 +134,13 @@ void DocumentWarningWidget::setError(const RewriterView::Error &error)
 class ItemLibrarySideBarItem : public Core::SideBarItem
 {
 public:
-    explicit ItemLibrarySideBarItem(ItemLibraryWidget *widget, const QString &id);
+    explicit ItemLibrarySideBarItem(QWidget *widget, const QString &id);
     virtual ~ItemLibrarySideBarItem();
 
     virtual QList<QToolButton *> createToolBarWidgets();
 };
 
-ItemLibrarySideBarItem::ItemLibrarySideBarItem(ItemLibraryWidget *widget, const QString &id) : Core::SideBarItem(widget, id) {}
+ItemLibrarySideBarItem::ItemLibrarySideBarItem(QWidget *widget, const QString &id) : Core::SideBarItem(widget, id) {}
 
 ItemLibrarySideBarItem::~ItemLibrarySideBarItem()
 {
@@ -158,13 +155,13 @@ QList<QToolButton *> ItemLibrarySideBarItem::createToolBarWidgets()
 class NavigatorSideBarItem : public Core::SideBarItem
 {
 public:
-    explicit NavigatorSideBarItem(NavigatorWidget *widget, const QString &id);
+    explicit NavigatorSideBarItem(QWidget *widget, const QString &id);
     virtual ~NavigatorSideBarItem();
 
     virtual QList<QToolButton *> createToolBarWidgets();
 };
 
-NavigatorSideBarItem::NavigatorSideBarItem(NavigatorWidget *widget, const QString &id) : Core::SideBarItem(widget, id) {}
+NavigatorSideBarItem::NavigatorSideBarItem(QWidget *widget, const QString &id) : Core::SideBarItem(widget, id) {}
 
 NavigatorSideBarItem::~NavigatorSideBarItem()
 {
@@ -185,7 +182,6 @@ void DocumentWarningWidget::goToError()
 // ---------- DesignModeWidget
 DesignModeWidget::DesignModeWidget(QWidget *parent) :
     QWidget(parent),
-    m_syncWithTextEdit(false),
     m_mainSplitter(0),
     m_leftSideBar(0),
     m_rightSideBar(0),
@@ -196,41 +192,10 @@ DesignModeWidget::DesignModeWidget(QWidget *parent) :
     m_navigatorHistoryCounter(-1),
     m_keepNavigatorHistory(false)
 {
-    s_instance = this;
-    m_undoAction = new QAction(tr("&Undo"), this);
-    connect(m_undoAction, SIGNAL(triggered()), this, SLOT(undo()));
-    m_redoAction = new QAction(tr("&Redo"), this);
-    connect(m_redoAction, SIGNAL(triggered()), this, SLOT(redo()));
-    m_deleteAction = new Utils::ParameterAction(tr("Delete"), tr("Delete \"%1\""), Utils::ParameterAction::EnabledWithParameter, this);
-    connect(m_deleteAction, SIGNAL(triggered()), this, SLOT(deleteSelected()));
-    m_cutAction = new Utils::ParameterAction(tr("Cu&t"), tr("Cut \"%1\""), Utils::ParameterAction::EnabledWithParameter, this);
-    connect(m_cutAction, SIGNAL(triggered()), this, SLOT(cutSelected()));
-    m_copyAction = new Utils::ParameterAction(tr("&Copy"), tr("Copy \"%1\""), Utils::ParameterAction::EnabledWithParameter, this);
-    connect(m_copyAction, SIGNAL(triggered()), this, SLOT(copySelected()));
-    m_pasteAction = new Utils::ParameterAction(tr("&Paste"), tr("Paste \"%1\""), Utils::ParameterAction::EnabledWithParameter, this);
-    connect(m_pasteAction, SIGNAL(triggered()), this, SLOT(paste()));
-    m_selectAllAction = new Utils::ParameterAction(tr("Select &All"), tr("Select All \"%1\""), Utils::ParameterAction::EnabledWithParameter, this);
-    connect(m_selectAllAction, SIGNAL(triggered()), this, SLOT(selectAll()));
-    m_hideSidebarsAction = new QAction(tr("Toggle Full Screen"), this);
-    connect(m_hideSidebarsAction, SIGNAL(triggered()), this, SLOT(toggleSidebars()));
-    m_restoreDefaultViewAction = new QAction(tr("&Restore Default View"), this);
-    m_goIntoComponentAction  = new QAction(tr("&Go into Component"), this);
-    connect(m_restoreDefaultViewAction, SIGNAL(triggered()), SLOT(restoreDefaultView()));
-    connect(m_goIntoComponentAction, SIGNAL(triggered()), SLOT(goIntoComponent()));
-    m_toggleLeftSidebarAction = new QAction(tr("Toggle &Left Sidebar"), this);
-    connect(m_toggleLeftSidebarAction, SIGNAL(triggered()), SLOT(toggleLeftSidebar()));
-    m_toggleRightSidebarAction = new QAction(tr("Toggle &Right Sidebar"), this);
-    connect(m_toggleRightSidebarAction, SIGNAL(triggered()), SLOT(toggleRightSidebar()));
-
     m_outputPlaceholderSplitter = new Core::MiniSplitter;
     m_outputPanePlaceholder = new StyledOutputpanePlaceHolder(Core::DesignMode::instance(), m_outputPlaceholderSplitter);
 }
 
-DesignModeWidget::~DesignModeWidget()
-{
-    s_instance = 0;
-}
-
 void DesignModeWidget::restoreDefaultView()
 {
     QSettings *settings = Core::ICore::settings();
@@ -265,19 +230,17 @@ void DesignModeWidget::toggleSidebars()
         m_leftSideBar->setVisible(m_showSidebars);
     if (m_rightSideBar)
         m_rightSideBar->setVisible(m_showSidebars);
-    if (!m_statesEditorView.isNull())
+
-        m_statesEditorView->widget()->setVisible(m_showSidebars);
+    viewManager().statesEditorWidget()->setVisible(m_showSidebars);
 
 }
 
 void DesignModeWidget::showEditor(Core::IEditor *editor)
 {
-    if (m_textEditor && editor)
+    if (textEditor()
-        if (m_textEditor->document()->fileName() != editor->document()->fileName()) {
+            && editor
-            if (!m_keepNavigatorHistory)
+            && textEditor()->document()->fileName() != editor->document()->fileName())
-                addNavigatorHistoryEntry(editor->document()->fileName());
+        setupNavigatorHistory(editor);
-            setupNavigatorHistory();
-        }
 
     //
     // Prevent recursive calls to function by explicitly managing initialization status
@@ -291,132 +254,16 @@ void DesignModeWidget::showEditor(Core::IEditor *editor)
         setup();
     }
 
-    QString fileName;
-    QPlainTextEdit *textEdit = 0;
-    TextEditor::ITextEditor *textEditor = 0;
 
-    if (editor) {
+    if (textEditor())
-        fileName = editor->document()->fileName();
+        m_fakeToolBar->addEditor(textEditor());
-        textEdit = qobject_cast<QPlainTextEdit*>(editor->widget());
-        textEditor = qobject_cast<TextEditor::ITextEditor*>(editor);
-        if (textEditor)
-            m_fakeToolBar->addEditor(textEditor);
-    }
-
-    if (debug)
-        qDebug() << Q_FUNC_INFO << fileName;
-
-    if (textEdit)
-        m_currentTextEdit = textEdit;
-
-    if (textEditor)
-        m_textEditor = textEditor;
-    DesignDocumentController *document = 0;
-
-    if (textEdit && textEditor && fileName.endsWith(QLatin1String(".qml"))) {
-        if (m_documentHash.contains(textEdit)) {
-            document = m_documentHash.value(textEdit).data();
-        } else {
-            DesignDocumentController *newDocument = new DesignDocumentController(this);
-
-            newDocument->setNodeInstanceView(m_nodeInstanceView.data());
-            newDocument->setPropertyEditorView(m_propertyEditorView.data());
-            newDocument->setNavigator(m_navigatorView.data());
-            newDocument->setStatesEditorView(m_statesEditorView.data());
-            newDocument->setItemLibraryView(m_itemLibraryView.data());
-            newDocument->setFormEditorView(m_formEditorView.data());
-            newDocument->setComponentView(m_componentView.data());
 
 
-            newDocument->setFileName(fileName);
+    setCurrentDesignDocument(currentDesignDocument());
-
-            document = newDocument;
-
-            m_documentHash.insert(textEdit, document);
-        }
-    }
-    setCurrentDocument(document);
 
     m_initStatus = Initialized;
 }
 
-void DesignModeWidget::closeEditors(QList<Core::IEditor*> editors)
-{
-    foreach (Core::IEditor* editor, editors) {
-        if (QPlainTextEdit *textEdit = qobject_cast<QPlainTextEdit*>(editor->widget())) {
-            if (m_currentTextEdit.data() == textEdit)
-                setCurrentDocument(0);
-            if (m_documentHash.contains(textEdit)) {
-                if (debug)
-                    qDebug() << Q_FUNC_INFO << editor->document()->fileName();
-                DesignDocumentController *document = m_documentHash.take(textEdit).data();
-                delete document;
-            }
-        }
-    }
-}
-
-QAction *DesignModeWidget::undoAction() const
-{
-    return m_undoAction;
-}
-
-QAction *DesignModeWidget::redoAction() const
-{
-    return m_redoAction;
-}
-
-QAction *DesignModeWidget::deleteAction() const
-{
-    return m_deleteAction;
-}
-
-QAction *DesignModeWidget::cutAction() const
-{
-    return m_cutAction;
-}
-
-QAction *DesignModeWidget::copyAction() const
-{
-    return m_copyAction;
-}
-
-QAction *DesignModeWidget::pasteAction() const
-{
-    return m_pasteAction;
-}
-
-QAction *DesignModeWidget::selectAllAction() const
-{
-    return m_selectAllAction;
-}
-
-QAction *DesignModeWidget::hideSidebarsAction() const
-{
-    return m_hideSidebarsAction;
-}
-
-QAction *DesignModeWidget::toggleLeftSidebarAction() const
-{
-    return m_toggleLeftSidebarAction;
-}
-
-QAction *DesignModeWidget::toggleRightSidebarAction() const
-{
-    return m_toggleRightSidebarAction;
-}
-
-
-QAction *DesignModeWidget::restoreDefaultViewAction() const
-{
-    return m_restoreDefaultViewAction;
-}
-
-QAction *DesignModeWidget::goIntoComponentAction() const
-{
-    return m_goIntoComponentAction;
-}
-
 void DesignModeWidget::readSettings()
 {
     QSettings *settings = Core::ICore::settings();
@@ -443,98 +290,25 @@ void DesignModeWidget::saveSettings()
     settings->endGroup();
 }
 
-void DesignModeWidget::undo()
+void DesignModeWidget::enableWidgets()
-{
-    if (m_currentDesignDocumentController)
-        m_currentDesignDocumentController->undo();
-}
-
-void DesignModeWidget::redo()
-{
-    if (m_currentDesignDocumentController)
-        m_currentDesignDocumentController->redo();
-}
-
-void DesignModeWidget::deleteSelected()
-{
-    if (m_currentDesignDocumentController)
-        m_currentDesignDocumentController->deleteSelected();
-}
-
-void DesignModeWidget::cutSelected()
-{
-    if (m_currentDesignDocumentController)
-        m_currentDesignDocumentController->cutSelected();
-}
-
-void DesignModeWidget::copySelected()
-{
-    if (m_currentDesignDocumentController)
-        m_currentDesignDocumentController->copySelected();
-}
-
-void DesignModeWidget::paste()
-{
-    if (m_currentDesignDocumentController)
-        m_currentDesignDocumentController->paste();
-}
-
-void DesignModeWidget::selectAll()
-{
-    if (m_currentDesignDocumentController)
-        m_currentDesignDocumentController->selectAll();
-}
-
-void DesignModeWidget::closeCurrentEditor()
-{
-}
-
-void DesignModeWidget::undoAvailable(bool isAvailable)
-{
-    DesignDocumentController *documentController = qobject_cast<DesignDocumentController*>(sender());
-    if (m_currentDesignDocumentController &&
-        m_currentDesignDocumentController.data() == documentController) {
-        m_undoAction->setEnabled(isAvailable);
-    }
-}
-
-void DesignModeWidget::redoAvailable(bool isAvailable)
-{
-    DesignDocumentController *documentController = qobject_cast<DesignDocumentController*>(sender());
-    if (m_currentDesignDocumentController &&
-        m_currentDesignDocumentController.data() == documentController) {
-        m_redoAction->setEnabled(isAvailable);
-    }
-}
-
-void DesignModeWidget::goIntoComponent()
-{
-    if (m_currentDesignDocumentController)
-        m_currentDesignDocumentController->goIntoComponent();
-}
-
-void DesignModeWidget::enable()
 {
     if (debug)
         qDebug() << Q_FUNC_INFO;
     m_warningWidget->setVisible(false);
-    m_formEditorView->widget()->setEnabled(true);
+    viewManager().formEditorWidget()->setEnabled(true);
-    m_statesEditorView->widget()->setEnabled(true);
+    viewManager().statesEditorWidget()->setEnabled(true);
     m_leftSideBar->setEnabled(true);
     m_rightSideBar->setEnabled(true);
     m_isDisabled = false;
 }
 
-void DesignModeWidget::disable(const QList<RewriterView::Error> &errors)
+void DesignModeWidget::disableWidgets()
 {
     if (debug)
         qDebug() << Q_FUNC_INFO;
-    Q_ASSERT(!errors.isEmpty());
+
-    m_warningWidget->setError(errors.first());
+    viewManager().formEditorWidget()->setEnabled(false);
-    m_warningWidget->setVisible(true);
+    viewManager().statesEditorWidget()->setEnabled(false);
-    m_warningWidget->move(width() / 2, height() / 2);
-    m_formEditorView->widget()->setEnabled(false);
-    m_statesEditorView->widget()->setEnabled(false);
     m_leftSideBar->setEnabled(false);
     m_rightSideBar->setEnabled(false);
     m_isDisabled = true;
@@ -545,112 +319,27 @@ void DesignModeWidget::updateErrorStatus(const QList<RewriterView::Error> &error
     if (debug)
         qDebug() << Q_FUNC_INFO << errors.count();
 
-    if (m_isDisabled && errors.isEmpty())
+    if (m_isDisabled && errors.isEmpty()) {
-        enable();
+        enableWidgets();
-    else if (!errors.isEmpty())
+     } else if (!errors.isEmpty()) {
-        disable(errors);
+        disableWidgets();
+        showErrorMessage(errors);
+    }
 }
 
-void DesignModeWidget::setAutoSynchronization(bool sync)
+TextEditor::ITextEditor *DesignModeWidget::textEditor() const
+{
+    return currentDesignDocument()->textEditor();
+}
+
+void DesignModeWidget::setCurrentDesignDocument(DesignDocument *newDesignDocument)
 {
     if (debug)
-        qDebug() << Q_FUNC_INFO << sync;
+        qDebug() << Q_FUNC_INFO << newDesignDocument;
 
-    RewriterView *rewriter = m_currentDesignDocumentController->rewriterView();
+    //viewManager().setDesignDocument(newDesignDocument);
 
-    m_currentDesignDocumentController->blockModelSync(!sync);
 
-    if (sync) {
-        if (rewriter && m_currentDesignDocumentController->model())
-            rewriter->setSelectedModelNodes(QList<ModelNode>());
-        // text editor -> visual editor
-        if (!m_currentDesignDocumentController->model()) {
-            m_currentDesignDocumentController->loadMaster(m_currentTextEdit.data());
-        } else {
-            m_currentDesignDocumentController->loadCurrentModel();
-            m_componentView->resetView();
-        }
-
-        QList<RewriterView::Error> errors = m_currentDesignDocumentController->qmlErrors();
-        if (errors.isEmpty()) {
-            // set selection to text cursor
-            const int cursorPos = m_currentTextEdit->textCursor().position();
-            ModelNode node = nodeForPosition(cursorPos);
-            if (rewriter && node.isValid())
-                rewriter->setSelectedModelNodes(QList<ModelNode>() << node);
-            enable();
-        } else {
-            disable(errors);
-        }
-
-        connect(m_currentDesignDocumentController.data(), SIGNAL(qmlErrorsChanged(QList<RewriterView::Error>)),
-                this, SLOT(updateErrorStatus(QList<RewriterView::Error>)));
-
-    } else {
-        if (m_currentDesignDocumentController->model() && m_currentDesignDocumentController->qmlErrors().isEmpty()) {
-            RewriterView *rewriter = m_currentDesignDocumentController->rewriterView();
-            // visual editor -> text editor
-            ModelNode selectedNode;
-            if (!rewriter->selectedModelNodes().isEmpty())
-                selectedNode = rewriter->selectedModelNodes().first();
-
-            if (selectedNode.isValid()) {
-                const int nodeOffset = rewriter->nodeOffset(selectedNode);
-                if (nodeOffset > 0) {
-                    const ModelNode currentSelectedNode
-                            = nodeForPosition(m_currentTextEdit->textCursor().position());
-                    if (currentSelectedNode != selectedNode) {
-                        int line, column;
-                        m_textEditor->convertPosition(nodeOffset, &line, &column);
-                        m_textEditor->gotoLine(line, column);
-                    }
-                }
-            }
-        }
-
-        disconnect(m_currentDesignDocumentController.data(), SIGNAL(qmlErrorsChanged(QList<RewriterView::Error>)),
-                this, SLOT(updateErrorStatus(QList<RewriterView::Error>)));
-    }
-}
-
-void DesignModeWidget::setCurrentDocument(DesignDocumentController *newDesignDocumentController)
-{
-    if (debug)
-        qDebug() << Q_FUNC_INFO << newDesignDocumentController;
-
-    if (m_currentDesignDocumentController.data() == newDesignDocumentController)
-        return;
-    if (m_currentDesignDocumentController) {
-        setAutoSynchronization(false);
-        saveSettings();
-    }
-
-    if (currentDesignDocumentController()) {
-        disconnect(currentDesignDocumentController(), SIGNAL(undoAvailable(bool)),
-            this, SLOT(undoAvailable(bool)));
-        disconnect(currentDesignDocumentController(), SIGNAL(redoAvailable(bool)),
-            this, SLOT(redoAvailable(bool)));
-    }
-
-    m_currentDesignDocumentController = newDesignDocumentController;
-
-    if (currentDesignDocumentController()) {
-        connect(currentDesignDocumentController(), SIGNAL(undoAvailable(bool)),
-            this, SLOT(undoAvailable(bool)));
-        connect(currentDesignDocumentController(), SIGNAL(redoAvailable(bool)),
-            this, SLOT(redoAvailable(bool)));
-    }
-
-    if (m_currentDesignDocumentController) {
-
-        setAutoSynchronization(true);
-        m_undoAction->setEnabled(m_currentDesignDocumentController->isUndoAvailable());
-        m_redoAction->setEnabled(m_currentDesignDocumentController->isRedoAvailable());
-    } else {
-        //detach all views
-        m_undoAction->setEnabled(false);
-        m_redoAction->setEnabled(false);
-    }
 }
 
 void DesignModeWidget::setup()
@@ -687,20 +376,6 @@ void DesignModeWidget::setup()
         }
     }
 
-    m_nodeInstanceView = new NodeInstanceView(this);
-    connect(m_nodeInstanceView.data(), SIGNAL(qmlPuppetCrashed()), this, SLOT(qmlPuppetCrashed()));
-     // Sidebar takes ownership
-    m_navigatorView = new NavigatorView;
-    m_propertyEditorView = new PropertyEditor(this);
-    m_itemLibraryView = new ItemLibraryView(this);
-
-    m_statesEditorView = new StatesEditorView(this);
-
-    m_formEditorView = new FormEditorView(this);
-    connect(m_formEditorView->crumblePath(), SIGNAL(elementClicked(QVariant)), this, SLOT(onCrumblePathElementClicked(QVariant)));
-
-    m_componentView = new ComponentView(this);
-    m_formEditorView->widget()->toolBox()->addLeftSideAction(m_componentView->action());
     m_fakeToolBar = Core::EditorManager::createToolBar(this);
 
     m_mainSplitter = new MiniSplitter(this);
@@ -710,9 +385,9 @@ void DesignModeWidget::setup()
     m_warningWidget = new DocumentWarningWidget(this);
     m_warningWidget->setVisible(false);
 
-    Core::SideBarItem *navigatorItem = new NavigatorSideBarItem(m_navigatorView->widget(), QLatin1String(SB_NAVIGATOR));
+    Core::SideBarItem *navigatorItem = new NavigatorSideBarItem(viewManager().navigatorWidget(), QLatin1String(SB_NAVIGATOR));
-    Core::SideBarItem *libraryItem = new ItemLibrarySideBarItem(m_itemLibraryView->widget(), QLatin1String(SB_LIBRARY));
+    Core::SideBarItem *libraryItem = new ItemLibrarySideBarItem(viewManager().itemLibraryWidget(), QLatin1String(SB_LIBRARY));
-    Core::SideBarItem *propertiesItem = new Core::SideBarItem(m_propertyEditorView->widget(), QLatin1String(SB_PROPERTIES));
+    Core::SideBarItem *propertiesItem = new Core::SideBarItem(viewManager().propertyEditorWidget(), QLatin1String(SB_PROPERTIES));
 
     // default items
     m_sideBarItems << navigatorItem << libraryItem << propertiesItem;
@@ -748,7 +423,9 @@ void DesignModeWidget::setup()
     connect(m_fakeToolBar, SIGNAL(closeClicked()), this, SLOT(closeCurrentEditor()));
     connect(m_fakeToolBar, SIGNAL(goForwardClicked()), this, SLOT(onGoForwardClicked()));
     connect(m_fakeToolBar, SIGNAL(goBackClicked()), this, SLOT(onGoBackClicked()));
-    setupNavigatorHistory();
+
+    if (currentDesignDocument())
+        setupNavigatorHistory(currentDesignDocument()->textEditor());
 
     // right area:
     QWidget *centerWidget = new QWidget;
@@ -758,16 +435,16 @@ void DesignModeWidget::setup()
         rightLayout->setSpacing(0);
         rightLayout->addWidget(m_fakeToolBar);
         //### we now own these here
-        rightLayout->addWidget(m_statesEditorView->widget());
+        rightLayout->addWidget(viewManager().statesEditorWidget());
 
-        FormEditorContext *formEditorContext = new FormEditorContext(m_formEditorView->widget());
+        FormEditorContext *formEditorContext = new FormEditorContext(viewManager().formEditorWidget());
         Core::ICore::addContextObject(formEditorContext);
 
-        NavigatorContext *navigatorContext = new NavigatorContext(m_navigatorView->widget());
+        NavigatorContext *navigatorContext = new NavigatorContext(viewManager().navigatorWidget());
         Core::ICore::addContextObject(navigatorContext);
 
         // editor and output panes
-        m_outputPlaceholderSplitter->addWidget(m_formEditorView->widget());
+        m_outputPlaceholderSplitter->addWidget(viewManager().formEditorWidget());
         m_outputPlaceholderSplitter->addWidget(m_outputPanePlaceholder);
         m_outputPlaceholderSplitter->setStretchFactor(0, 10);
         m_outputPlaceholderSplitter->setStretchFactor(1, 0);
@@ -791,7 +468,7 @@ void DesignModeWidget::setup()
     mainLayout->addWidget(m_mainSplitter);
 
     m_warningWidget->setVisible(false);
-    m_statesEditorView->widget()->setEnabled(true);
+    viewManager().statesEditorWidget()->setEnabled(true);
     m_leftSideBar->setEnabled(true);
     m_rightSideBar->setEnabled(true);
     m_leftSideBar->setCloseWhenEmpty(true);
@@ -800,7 +477,6 @@ void DesignModeWidget::setup()
     readSettings();
 
     show();
-    QApplication::processEvents();
 }
 
 void DesignModeWidget::updateAvailableSidebarItemsRight()
@@ -827,8 +503,10 @@ void DesignModeWidget::qmlPuppetCrashed()
 {
     QList<RewriterView::Error> errorList;
     RewriterView::Error error(tr("Qt Quick emulation layer crashed"));
-    errorList << error;
+    errorList.append(error);
-    disable(errorList);
+
+    disableWidgets();
+    showErrorMessage(errorList);
 }
 
 void DesignModeWidget::onGoBackClicked()
@@ -851,17 +529,16 @@ void DesignModeWidget::onGoForwardClicked()
     }
 }
 
-void DesignModeWidget::onCrumblePathElementClicked(const QVariant &data)
+DesignDocument *DesignModeWidget::currentDesignDocument() const
 {
-    currentDesignDocumentController()->setCrumbleBarInfo(data.value<CrumbleBarInfo>());
+    return QmlDesignerPlugin::instance()->documentManager().currentDesignDocument();
 }
 
-DesignModeWidget *DesignModeWidget::instance()
+ViewManager &DesignModeWidget::viewManager()
 {
-    return s_instance;
+    return QmlDesignerPlugin::instance()->viewManager();
 }
 
-
 void DesignModeWidget::resizeEvent(QResizeEvent *event)
 {
     if (m_warningWidget)
@@ -869,35 +546,11 @@ void DesignModeWidget::resizeEvent(QResizeEvent *event)
     QWidget::resizeEvent(event);
 }
 
-
+void DesignModeWidget::setupNavigatorHistory(Core::IEditor *editor)
-bool DesignModeWidget::isInNodeDefinition(int nodeOffset, int nodeLength, int cursorPos) const {
-    return (nodeOffset <= cursorPos) && (nodeOffset + nodeLength > cursorPos);
-}
-
-
-ModelNode DesignModeWidget::nodeForPosition(int cursorPos) const
 {
-    RewriterView *rewriter = m_currentDesignDocumentController->rewriterView();
+    if (!m_keepNavigatorHistory)
-    QList<ModelNode> nodes = rewriter->allModelNodes();
+        addNavigatorHistoryEntry(editor->document()->fileName());
 
-    ModelNode bestNode;
-    int bestNodeOffset = -1;
-
-    foreach (const ModelNode &node, nodes) {
-        const int nodeOffset = rewriter->nodeOffset(node);
-        const int nodeLength = rewriter->nodeLength(node);
-        if (isInNodeDefinition(nodeOffset, nodeLength, cursorPos)
-            && (nodeOffset > bestNodeOffset)) {
-            bestNode = node;
-            bestNodeOffset = nodeOffset;
-        }
-    }
-
-    return bestNode;
-}
-
-void DesignModeWidget::setupNavigatorHistory()
-{
     const bool canGoBack = m_navigatorHistoryCounter > 0;
     const bool canGoForward = m_navigatorHistoryCounter < (m_navigatorHistory.size() - 1);
     m_fakeToolBar->setCanGoBack(canGoBack);
@@ -914,13 +567,30 @@ void DesignModeWidget::addNavigatorHistoryEntry(const QString &fileName)
     ++m_navigatorHistoryCounter;
 }
 
+void DesignModeWidget::showErrorMessage(const QList<RewriterView::Error> &errors)
+{
+    Q_ASSERT(!errors.isEmpty());
+    m_warningWidget->setError(errors.first());
+    m_warningWidget->setVisible(true);
+    m_warningWidget->move(width() / 2, height() / 2);
+}
 
 QString DesignModeWidget::contextHelpId() const
 {
-    if (m_currentDesignDocumentController)
+    if (currentDesignDocument())
-        return m_currentDesignDocumentController->contextHelpId();
+        return currentDesignDocument()->contextHelpId();
     return QString();
 }
 
+void DesignModeWidget::initialize()
+{
+    if (m_initStatus == NotInitialized) {
+        m_initStatus = Initializing;
+        setup();
+    }
+
+    m_initStatus = Initialized;
+}
+
 } // namespace Internal
 } // namespace Designer

src/plugins/qmldesigner/designmodewidget.h

@@ -35,7 +35,7 @@
 #include <utils/faketooltip.h>
 #include <texteditor/itexteditor.h>
 
-#include <designdocumentcontroller.h>
+#include <designdocument.h>
 #include <itemlibraryview.h>
 #include <navigatorwidget.h>
 #include <navigatorview.h>
@@ -103,54 +103,34 @@ class DesignModeWidget : public QWidget
 
 public:
     explicit DesignModeWidget(QWidget *parent = 0);
-    ~DesignModeWidget();
 
     void showEditor(Core::IEditor *editor);
     void closeEditors(const QList<Core::IEditor*> editors);
     QString contextHelpId() const;
 
-    QAction *undoAction() const;
+    void initialize();
-    QAction *redoAction() const;
+
-    QAction *deleteAction() const;
-    QAction *cutAction() const;
-    QAction *copyAction() const;
-    QAction *pasteAction() const;
-    QAction *selectAllAction() const;
-    QAction *hideSidebarsAction() const;
-    QAction *toggleLeftSidebarAction() const;
-    QAction *toggleRightSidebarAction() const;
-    QAction *restoreDefaultViewAction() const;
-    QAction *goIntoComponentAction() const;
 
     void readSettings();
     void saveSettings();
-    void setAutoSynchronization(bool sync);
 
-    TextEditor::ITextEditor *textEditor() const {return m_textEditor.data(); }
+    TextEditor::ITextEditor *textEditor() const;
 
-    static DesignModeWidget *instance();
+    DesignDocument *currentDesignDocument() const;
-    DesignDocumentController *currentDesignDocumentController() const {return m_currentDesignDocumentController.data(); }
+    ViewManager &viewManager();
 
-private slots:
+    void enableWidgets();
-    void undo();
+    void disableWidgets();
-    void redo();
+    void showErrorMessage(const QList<RewriterView::Error> &errors);
-    void deleteSelected();
+
-    void cutSelected();
+public slots:
-    void copySelected();
+    void updateErrorStatus(const QList<RewriterView::Error> &errors);
-    void paste();
+    void restoreDefaultView();
-    void selectAll();
-    void closeCurrentEditor();
     void toggleSidebars();
     void toggleLeftSidebar();
     void toggleRightSidebar();
-    void restoreDefaultView();
-    void undoAvailable(bool isAvailable);
-    void redoAvailable(bool isAvailable);
-    void goIntoComponent();
 
-    void enable();
+private slots:
-    void disable(const QList<RewriterView::Error> &errors);
-    void updateErrorStatus(const QList<RewriterView::Error> &errors);
     void updateAvailableSidebarItemsLeft();
     void updateAvailableSidebarItemsRight();
 
@@ -160,49 +140,20 @@ private slots:
     void onGoBackClicked();
     void onGoForwardClicked();
 
-    void onCrumblePathElementClicked(const QVariant &data);
-
 protected:
     void resizeEvent(QResizeEvent *event);
 
-private:
+private: // functions
-    void setCurrentDocument(DesignDocumentController *newDesignDocumentController);
+    enum InitializeStatus { NotInitialized, Initializing, Initialized };
-    //QStackedWidget *m_documentWidgetStack;
-    QHash<QPlainTextEdit*,QWeakPointer<DesignDocumentController> > m_documentHash;
-    QWeakPointer<DesignDocumentController> m_currentDesignDocumentController;
-    QWeakPointer<QPlainTextEdit> m_currentTextEdit;
-
-    QAction *m_undoAction;
-    QAction *m_redoAction;
-    QAction *m_deleteAction;
-    QAction *m_cutAction;
-    QAction *m_copyAction;
-    QAction *m_pasteAction;
-    QAction *m_selectAllAction;
-    QAction *m_hideSidebarsAction;
-    QAction *m_restoreDefaultViewAction;
-    QAction *m_toggleLeftSidebarAction;
-    QAction *m_toggleRightSidebarAction;
-    QAction *m_goIntoComponentAction;
-
-    QWeakPointer<ItemLibraryView> m_itemLibraryView;
-    QWeakPointer<NavigatorView> m_navigatorView;
-    QWeakPointer<PropertyEditor> m_propertyEditorView;
-    QWeakPointer<StatesEditorView> m_statesEditorView;
-    QWeakPointer<FormEditorView> m_formEditorView;
-    QWeakPointer<ComponentView> m_componentView;
-    QWeakPointer<NodeInstanceView> m_nodeInstanceView;
-
-    bool m_syncWithTextEdit;
 
+    void setCurrentDesignDocument(DesignDocument *newDesignDocument);
     void setup();
     bool isInNodeDefinition(int nodeOffset, int nodeLength, int cursorPos) const;
     QmlDesigner::ModelNode nodeForPosition(int cursorPos) const;
-    void setupNavigatorHistory();
+    void setupNavigatorHistory(Core::IEditor *editor);
     void addNavigatorHistoryEntry(const QString &fileName);
 
-    QWeakPointer<TextEditor::ITextEditor> m_textEditor;
+private: // variables
-
     QSplitter *m_mainSplitter;
     Core::SideBar *m_leftSideBar;
     Core::SideBar *m_rightSideBar;
@@ -213,15 +164,12 @@ private:
     bool m_isDisabled;
     bool m_showSidebars;
 
-    enum InitializeStatus { NotInitialized, Initializing, Initialized };
     InitializeStatus m_initStatus;
 
     DocumentWarningWidget *m_warningWidget;
     QStringList m_navigatorHistory;
     int m_navigatorHistoryCounter;
     bool m_keepNavigatorHistory;
-
-    static DesignModeWidget *s_instance;
 };
 
 } // namespace Internal

src/plugins/qmldesigner/documentmanager.cpp

@@ -0,0 +1,80 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "documentmanager.h"
+
+#include <coreplugin/designmode.h>
+#include <coreplugin/modemanager.h>
+#include <qmljseditor/qmljseditorconstants.h>
+
+namespace QmlDesigner {
+
+DocumentManager::DocumentManager()
+    : QObject()
+{
+}
+
+DocumentManager::~DocumentManager()
+{
+    foreach (const QWeakPointer<DesignDocument> &designDocument, m_designDocumentHash)
+        delete designDocument.data();
+}
+
+void DocumentManager::setCurrentDesignDocument(Core::IEditor *editor)
+{
+    if (editor) {
+        m_currentDesignDocument = m_designDocumentHash.value(editor);
+        if (m_currentDesignDocument == 0) {
+            m_currentDesignDocument = new DesignDocument;
+            m_designDocumentHash.insert(editor, m_currentDesignDocument);
+            m_currentDesignDocument->setEditor(editor);
+        }
+    } else {
+        m_currentDesignDocument->resetToDocumentModel();
+        m_currentDesignDocument.clear();
+    }
+}
+
+DesignDocument *DocumentManager::currentDesignDocument() const
+{
+    return m_currentDesignDocument.data();
+}
+
+bool DocumentManager::hasCurrentDesignDocument() const
+{
+    return m_currentDesignDocument.data();
+}
+
+void DocumentManager::removeEditors(QList<Core::IEditor *> editors)
+{
+    foreach (Core::IEditor *editor, editors)
+        delete m_designDocumentHash.take(editor).data();
+}
+
+} // namespace QmlDesigner

src/plugins/qmldesigner/documentmanager.h

@@ -0,0 +1,65 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+
+#ifndef QMLDESIGNER_DOCUMENTMANAGER_H
+#define QMLDESIGNER_DOCUMENTMANAGER_H
+
+#include <QObject>
+#include <QList>
+
+#include <designdocument.h>
+
+namespace Core {
+class IEditor;
+}
+
+namespace QmlDesigner {
+
+class DocumentManager : public QObject
+{
+    Q_OBJECT
+public:
+    DocumentManager();
+    ~DocumentManager();
+
+    void setCurrentDesignDocument(Core::IEditor*editor);
+    DesignDocument *currentDesignDocument() const;
+    bool hasCurrentDesignDocument() const;
+
+    void removeEditors(QList<Core::IEditor*> editors);
+
+private:
+    QHash<Core::IEditor *,QWeakPointer<DesignDocument> > m_designDocumentHash;
+    QWeakPointer<DesignDocument> m_currentDesignDocument;
+};
+
+} // namespace QmlDesigner
+
+#endif // QMLDESIGNER_DOCUMENTMANAGER_H

src/plugins/qmldesigner/qmldesignerplugin.cpp

@@ -52,6 +52,8 @@
 #include <coreplugin/mimedatabase.h>
 #include <coreplugin/modemanager.h>
 
+#include <projectexplorer/projectexplorerconstants.h>
+
 #include <extensionsystem/pluginmanager.h>
 
 #include <utils/hostosinfo.h>
@@ -66,9 +68,18 @@
 #include <QProcessEnvironment>
 
 namespace QmlDesigner {
-namespace Internal {
 
-BauhausPlugin *BauhausPlugin::m_pluginInstance = 0;
+QmlDesignerPlugin *QmlDesignerPlugin::m_instance = 0;
+
+static bool isQmlFile(Core::IEditor *editor)
+{
+    return editor && editor->id() == QmlJSEditor::Constants::C_QMLJSEDITOR_ID;
+}
+
+static bool isInDesignerMode()
+{
+    return Core::ModeManager::currentMode() == Core::DesignMode::instance();
+}
 
 bool shouldAssertInException()
 {
@@ -76,15 +87,8 @@ bool shouldAssertInException()
     return !processEnvironment.value("QMLDESIGNER_ASSERT_ON_EXCEPTION").isEmpty();
 }
 
-BauhausPlugin::BauhausPlugin() :
+QmlDesignerPlugin::QmlDesignerPlugin() :
-    m_designMode(0),
+    m_isActive(false)
-    m_isActive(false),
-    m_revertToSavedAction(new QAction(this)),
-    m_saveAction(new QAction(this)),
-    m_saveAsAction(new QAction(this)),
-    m_closeCurrentEditorAction(new QAction(this)),
-    m_closeAllEditorsAction(new QAction(this)),
-    m_closeOtherEditorsAction(new QAction(this))
 {
 
     // Exceptions should never ever assert: they are handled in a number of
@@ -101,9 +105,11 @@ BauhausPlugin::BauhausPlugin() :
     Exception::setShouldAssert(shouldAssertInException());
 }
 
-BauhausPlugin::~BauhausPlugin()
+QmlDesignerPlugin::~QmlDesignerPlugin()
 {
     Core::ICore::removeContextObject(m_context);
+    m_context = 0;
+    m_instance = 0;
 }
 
 ////////////////////////////////////////////////////
@@ -111,7 +117,7 @@ BauhausPlugin::~BauhausPlugin()
 // INHERITED FROM ExtensionSystem::Plugin
 //
 ////////////////////////////////////////////////////
-bool BauhausPlugin::initialize(const QStringList & /*arguments*/, QString *errorMessage/* = 0*/) // =0;
+bool QmlDesignerPlugin::initialize(const QStringList & /*arguments*/, QString *errorMessage/* = 0*/) // =0;
 {
     const Core::Context switchContext(QmlDesigner::Constants::C_QMLDESIGNER,
         QmlJSEditor::Constants::C_QMLJSEDITOR_ID);
@@ -121,7 +127,7 @@ bool BauhausPlugin::initialize(const QStringList & /*arguments*/, QString *error
                 switchAction, QmlDesigner::Constants::SWITCH_TEXT_DESIGN, switchContext);
     command->setDefaultKeySequence(QKeySequence(Qt::Key_F4));
 
-    m_pluginInstance = this;
+    m_instance = this;
 
     const QString pluginPath = Utils::HostOsInfo::isMacHost()
             ? QString(QCoreApplication::applicationDirPath() + "/../PlugIns/QmlDesigner")
@@ -132,7 +138,7 @@ bool BauhausPlugin::initialize(const QStringList & /*arguments*/, QString *error
     createDesignModeWidget();
     connect(switchAction, SIGNAL(triggered()), this, SLOT(switchTextDesign()));
 
-    addAutoReleasedObject(new SettingsPage);
+    addAutoReleasedObject(new Internal::SettingsPage);
 
 
     m_settings.fromSettings(Core::ICore::settings());
@@ -142,240 +148,295 @@ bool BauhausPlugin::initialize(const QStringList & /*arguments*/, QString *error
     return true;
 }
 
-void BauhausPlugin::createDesignModeWidget()
+void QmlDesignerPlugin::createDesignModeWidget()
 {
-    m_editorManager = Core::ICore::editorManager();
+    m_mainWidget = new Internal::DesignModeWidget;
-    Core::ActionContainer *editMenu = Core::ActionManager::actionContainer(Core::Constants::M_EDIT);
 
-    m_mainWidget = new DesignModeWidget;
+    m_context = new Internal::DesignModeContext(m_mainWidget);
-
-    m_context = new DesignModeContext(m_mainWidget);
     Core::ICore::addContextObject(m_context);
     Core::Context qmlDesignerMainContext(Constants::C_QMLDESIGNER);
     Core::Context qmlDesignerFormEditorContext(Constants::C_QMLFORMEDITOR);
     Core::Context qmlDesignerNavigatorContext(Constants::C_QMLNAVIGATOR);
 
-    // Revert to saved
+    m_context->context().add(qmlDesignerMainContext);
-    Core::ActionManager::registerAction(m_revertToSavedAction,
+    m_context->context().add(qmlDesignerFormEditorContext);
-                                      Core::Constants::REVERTTOSAVED, qmlDesignerMainContext);
+    m_context->context().add(qmlDesignerNavigatorContext);
-    connect(m_revertToSavedAction, SIGNAL(triggered()), m_editorManager, SLOT(revertToSaved()));
+    m_context->context().add(ProjectExplorer::Constants::LANG_QMLJS);
 
-    //Save
+    m_shortCutManager.registerActions();
-    Core::ActionManager::registerAction(m_saveAction, Core::Constants::SAVE, qmlDesignerMainContext);
-    connect(m_saveAction, SIGNAL(triggered()), m_editorManager, SLOT(saveDocument()));
 
-    //Save As
+    connect(Core::ICore::editorManager(),
-    Core::ActionManager::registerAction(m_saveAsAction, Core::Constants::SAVEAS, qmlDesignerMainContext);
+            SIGNAL(currentEditorChanged(Core::IEditor*)),
-    connect(m_saveAsAction, SIGNAL(triggered()), m_editorManager, SLOT(saveDocumentAs()));
+            this,
+            SLOT(onCurrentEditorChanged(Core::IEditor*)));
 
-    //Close Editor
+    connect(Core::ICore::editorManager(),
-    Core::ActionManager::registerAction(m_closeCurrentEditorAction, Core::Constants::CLOSE, qmlDesignerMainContext);
+            SIGNAL(editorsClosed(QList<Core::IEditor*>)),
-    connect(m_closeCurrentEditorAction, SIGNAL(triggered()), m_editorManager, SLOT(closeEditor()));
+            this,
+            SLOT(onTextEditorsClosed(QList<Core::IEditor*>)));
 
-    //Close All
+//    connect(Core::ICore::editorManager(), SIGNAL(currentEditorChanged(Core::IEditor*)),
-    Core::ActionManager::registerAction(m_closeAllEditorsAction, Core::Constants::CLOSEALL, qmlDesignerMainContext);
+//            &m_documentManager, SLOT(currentTextEditorChanged(Core::IEditor*)));
-    connect(m_closeAllEditorsAction, SIGNAL(triggered()), m_editorManager, SLOT(closeAllEditors()));
 
-    //Close All Others Action
+//    connect(Core::ICore::instance(), SIGNAL(contextChanged(Core::IContext*,Core::Context)),
-    Core::ActionManager::registerAction(m_closeOtherEditorsAction, Core::Constants::CLOSEOTHERS, qmlDesignerMainContext);
+//            this, SLOT(contextChanged(Core::IContext*,Core::Context)));
-    connect(m_closeOtherEditorsAction, SIGNAL(triggered()), m_editorManager, SLOT(closeOtherEditors()));
 
-    // Undo / Redo
+    connect(Core::ModeManager::instance(),
-    Core::ActionManager::registerAction(m_mainWidget->undoAction(), Core::Constants::UNDO, qmlDesignerMainContext);
+            SIGNAL(currentModeChanged(Core::IMode*,Core::IMode*)),
-    Core::ActionManager::registerAction(m_mainWidget->redoAction(), Core::Constants::REDO, qmlDesignerMainContext);
+            SLOT(onCurrentModeChanged(Core::IMode*,Core::IMode*)));
-
-    Core::Command *command;
-
-    //GoIntoComponent
-    command = Core::ActionManager::registerAction(m_mainWidget->goIntoComponentAction(),
-                                            Constants::GO_INTO_COMPONENT, qmlDesignerMainContext);
-    command->setDefaultKeySequence(QKeySequence(Qt::Key_F2));
-
-    //Edit Menu
-
-    command = Core::ActionManager::registerAction(m_mainWidget->deleteAction(),
-                                            QmlDesigner::Constants::DELETE, qmlDesignerFormEditorContext);
-    command = Core::ActionManager::registerAction(m_mainWidget->deleteAction(),
-                                            QmlDesigner::Constants::DELETE, qmlDesignerNavigatorContext);
-    command->setDefaultKeySequence(QKeySequence::Delete);
-    command->setAttribute(Core::Command::CA_Hide); // don't show delete in other modes
-    editMenu->addAction(command, Core::Constants::G_EDIT_COPYPASTE);
-
-    command = Core::ActionManager::registerAction(m_mainWidget->cutAction(),
-                                            Core::Constants::CUT, qmlDesignerFormEditorContext);
-    command = Core::ActionManager::registerAction(m_mainWidget->cutAction(),
-                                            Core::Constants::CUT, qmlDesignerNavigatorContext);
-    command->setDefaultKeySequence(QKeySequence::Cut);
-    editMenu->addAction(command, Core::Constants::G_EDIT_COPYPASTE);
-
-    command = Core::ActionManager::registerAction(m_mainWidget->copyAction(),
-                                            Core::Constants::COPY, qmlDesignerFormEditorContext);
-    command = Core::ActionManager::registerAction(m_mainWidget->copyAction(),
-                                            Core::Constants::COPY, qmlDesignerNavigatorContext);
-    command->setDefaultKeySequence(QKeySequence::Copy);
-    editMenu->addAction(command, Core::Constants::G_EDIT_COPYPASTE);
-
-    command = Core::ActionManager::registerAction(m_mainWidget->pasteAction(),
-                                            Core::Constants::PASTE, qmlDesignerFormEditorContext);
-    command = Core::ActionManager::registerAction(m_mainWidget->pasteAction(),
-                                            Core::Constants::PASTE, qmlDesignerNavigatorContext);
-    command->setDefaultKeySequence(QKeySequence::Paste);
-    editMenu->addAction(command, Core::Constants::G_EDIT_COPYPASTE);
-
-    command = Core::ActionManager::registerAction(m_mainWidget->selectAllAction(),
-                                            Core::Constants::SELECTALL, qmlDesignerFormEditorContext);
-    command = Core::ActionManager::registerAction(m_mainWidget->selectAllAction(),
-                                            Core::Constants::SELECTALL, qmlDesignerNavigatorContext);
-
-    command->setDefaultKeySequence(QKeySequence::SelectAll);
-    editMenu->addAction(command, Core::Constants::G_EDIT_SELECTALL);
-
-    Core::ActionContainer *viewsMenu = Core::ActionManager::actionContainer(Core::Constants::M_WINDOW_VIEWS);
-
-    command = Core::ActionManager::registerAction(m_mainWidget->toggleLeftSidebarAction(),
-                                            Constants::TOGGLE_LEFT_SIDEBAR, qmlDesignerMainContext);
-    command->setAttribute(Core::Command::CA_Hide);
-    command->setDefaultKeySequence(QKeySequence("Ctrl+Alt+0"));
-    viewsMenu->addAction(command);
-
-    command = Core::ActionManager::registerAction(m_mainWidget->toggleRightSidebarAction(),
-                                            Constants::TOGGLE_RIGHT_SIDEBAR, qmlDesignerMainContext);
-    command->setAttribute(Core::Command::CA_Hide);
-    command->setDefaultKeySequence(QKeySequence("Ctrl+Alt+Shift+0"));
-    viewsMenu->addAction(command);
-
-    command = Core::ActionManager::registerAction(m_mainWidget->restoreDefaultViewAction(),
-                                            Constants::RESTORE_DEFAULT_VIEW, qmlDesignerMainContext);
-    command->setAttribute(Core::Command::CA_Hide);
-    viewsMenu->addAction(command);
-
-    command = Core::ActionManager::registerAction(m_mainWidget->hideSidebarsAction(),
-                                            Core::Constants::TOGGLE_SIDEBAR, qmlDesignerMainContext);
-
-    if (Utils::HostOsInfo::isMacHost()) {
-        // add second shortcut to trigger delete
-        QAction *deleteAction = new QAction(m_mainWidget);
-        deleteAction->setShortcut(QKeySequence(QLatin1String("Backspace")));
-        connect(deleteAction, SIGNAL(triggered()), m_mainWidget->deleteAction(),
-                SIGNAL(triggered()));
-        m_mainWidget->addAction(deleteAction);
-    }
-
-    connect(m_editorManager, SIGNAL(currentEditorChanged(Core::IEditor*)),
-            this, SLOT(updateEditor(Core::IEditor*)));
-
-    connect(m_editorManager, SIGNAL(editorsClosed(QList<Core::IEditor*>)),
-            this, SLOT(textEditorsClosed(QList<Core::IEditor*>)));
-
-    connect(Core::ICore::instance(), SIGNAL(contextChanged(Core::IContext*,Core::Context)),
-            this, SLOT(contextChanged(Core::IContext*,Core::Context)));
 
 }
 
-void BauhausPlugin::updateEditor(Core::IEditor *editor)
+void QmlDesignerPlugin::showDesigner()
 {
-    if (editor && editor->id() == QmlJSEditor::Constants::C_QMLJSEDITOR_ID
+    Q_ASSERT(!m_documentManager.hasCurrentDesignDocument());
-        && Core::ModeManager::currentMode() == m_designMode)
+
+    m_shortCutManager.disconnectUndoActions(currentDesignDocument());
+
+    m_documentManager.setCurrentDesignDocument(Core::EditorManager::currentEditor());
+
+    m_shortCutManager.connectUndoActions(currentDesignDocument());
+
+    m_mainWidget->initialize();
+
+    if (m_documentManager.hasCurrentDesignDocument()) {
+        activateAutoSynchronization();
+        m_viewManager.pushFileOnCrambleBar(m_documentManager.currentDesignDocument()->fileName());
+    }
+
+    m_shortCutManager.updateUndoActions(currentDesignDocument());
+}
+
+void QmlDesignerPlugin::hideDesigner()
 {
-        m_mainWidget->showEditor(editor);
+    if (currentDesignDocument()->currentModel()
-    }
+            && !currentDesignDocument()->hasQmlSyntaxErrors())
+        jumpTextCursorToSelectedModelNode();
+
+
+    if (m_documentManager.hasCurrentDesignDocument()) {
+        deactivateAutoSynchronization();
+        m_mainWidget->saveSettings();
     }
 
-void BauhausPlugin::contextChanged(Core::IContext *context, const Core::Context &additionalContexts)
+    m_shortCutManager.disconnectUndoActions(currentDesignDocument());
+
+    m_documentManager.setCurrentDesignDocument(0);
+
+    m_shortCutManager.updateUndoActions(0);
+}
+
+void QmlDesignerPlugin::changeEditor()
 {
-    Q_UNUSED(context)
+    if (m_documentManager.hasCurrentDesignDocument()) {
-
+        deactivateAutoSynchronization();
-    foreach (Core::Id id, additionalContexts) {
+        m_mainWidget->saveSettings();
-        if (m_context->context().contains(id)) {
-            m_isActive = true;
-            m_mainWidget->showEditor(Core::EditorManager::currentEditor());
-            return;
-        }
     }
 
-    if (m_isActive) {
+    m_shortCutManager.disconnectUndoActions(currentDesignDocument());
-        m_isActive = false;
+
-        m_mainWidget->showEditor(0);
+    m_documentManager.setCurrentDesignDocument(Core::EditorManager::currentEditor());
-    }
+
+    m_mainWidget->initialize();
+
+    m_shortCutManager.connectUndoActions(currentDesignDocument());
+
+    if (m_documentManager.hasCurrentDesignDocument()) {
+        m_viewManager.pushFileOnCrambleBar(m_documentManager.currentDesignDocument()->fileName());
+        activateAutoSynchronization();
     }
 
-void BauhausPlugin::textEditorsClosed(QList<Core::IEditor*> editors)
+    m_shortCutManager.updateUndoActions(currentDesignDocument());
+}
+
+void QmlDesignerPlugin::jumpTextCursorToSelectedModelNode()
 {
-    m_mainWidget->closeEditors(editors);
+    // visual editor -> text editor
+    ModelNode selectedNode;
+    if (!currentDesignDocument()->rewriterView()->selectedModelNodes().isEmpty())
+        selectedNode = currentDesignDocument()->rewriterView()->selectedModelNodes().first();
+
+    if (selectedNode.isValid()) {
+        const int nodeOffset = currentDesignDocument()->rewriterView()->nodeOffset(selectedNode);
+        if (nodeOffset > 0) {
+            const ModelNode currentSelectedNode
+                    = currentDesignDocument()->rewriterView()->nodeAtTextCursorPosition(currentDesignDocument()->plainTextEdit()->textCursor().position());
+            if (currentSelectedNode != selectedNode) {
+                int line, column;
+                currentDesignDocument()->textEditor()->convertPosition(nodeOffset, &line, &column);
+                currentDesignDocument()->textEditor()->gotoLine(line, column);
+            }
+        }
+    }
 }
 
-// copied from EditorManager::updateActions
+void QmlDesignerPlugin::selectModelNodeUnderTextCursor()
-void BauhausPlugin::updateActions(Core::IEditor* editor)
 {
-    Core::IEditor *curEditor = editor;
+    const int cursorPos = currentDesignDocument()->plainTextEdit()->textCursor().position();
-    int openedCount = m_editorManager->openedEditors().count()
+    ModelNode node = currentDesignDocument()->rewriterView()->nodeAtTextCursorPosition(cursorPos);
-                      + m_editorManager->openedEditorsModel()->restoredEditors().count();
+    if (currentDesignDocument()->rewriterView() && node.isValid()) {
+        currentDesignDocument()->rewriterView()->setSelectedModelNodes(QList<ModelNode>() << node);
+    }
+}
 
-    QString fName;
+void QmlDesignerPlugin::activateAutoSynchronization()
-    if (curEditor) {
+{
-        if (!curEditor->document()->fileName().isEmpty()) {
+    // text editor -> visual editor
-            QFileInfo fi(curEditor->document()->fileName());
+    if (!currentDesignDocument()->isDocumentLoaded()) {
-            fName = fi.fileName();
+        currentDesignDocument()->loadDocument(currentDesignDocument()->plainTextEdit());
     } else {
-            fName = curEditor->displayName();
+        currentDesignDocument()->activateCurrentModel();
-        }
     }
 
-    m_saveAction->setEnabled(curEditor != 0 && curEditor->document()->isModified());
+    resetModelSelection();
-    m_saveAsAction->setEnabled(curEditor != 0 && curEditor->document()->isSaveAsAllowed());
-    m_revertToSavedAction->setEnabled(curEditor != 0
-                                      && !curEditor->document()->fileName().isEmpty()
-                                      && curEditor->document()->isModified());
 
-    QString quotedName;
-    if (!fName.isEmpty())
-        quotedName = '"' + fName + '"';
-    m_saveAsAction->setText(tr("Save %1 As...").arg(quotedName));
-    m_saveAction->setText(tr("&Save %1").arg(quotedName));
-    m_revertToSavedAction->setText(tr("Revert %1 to Saved").arg(quotedName));
 
-    m_closeCurrentEditorAction->setEnabled(curEditor != 0);
+    QList<RewriterView::Error> errors = currentDesignDocument()->qmlSyntaxErrors();
-    m_closeCurrentEditorAction->setText(tr("Close %1").arg(quotedName));
+    if (errors.isEmpty()) {
-    m_closeAllEditorsAction->setEnabled(openedCount > 0);
+        viewManager().attachComponentView();
-    m_closeOtherEditorsAction->setEnabled(openedCount > 1);
+        viewManager().attachViewsExceptRewriterAndComponetView();
-    m_closeOtherEditorsAction->setText((openedCount > 1 ? tr("Close All Except %1").arg(quotedName) : tr("Close Others")));
+        selectModelNodeUnderTextCursor();
+        m_mainWidget->enableWidgets();
+    } else {
+        m_mainWidget->disableWidgets();
+        m_mainWidget->showErrorMessage(errors);
     }
 
-void BauhausPlugin::extensionsInitialized()
+
+    connect(currentDesignDocument()->rewriterView(),
+            SIGNAL(errorsChanged(QList<RewriterView::Error>)),
+            m_mainWidget,
+            SLOT(updateErrorStatus(QList<RewriterView::Error>)));
+}
+
+void QmlDesignerPlugin::deactivateAutoSynchronization()
 {
-    m_designMode = Core::DesignMode::instance();
+    viewManager().detachViewsExceptRewriterAndComponetView();
+    viewManager().detachComponentView();
 
-    m_mimeTypes << "application/x-qml";
+    disconnect(currentDesignDocument()->rewriterView(),
+               SIGNAL(errorsChanged(QList<RewriterView::Error>)),
+               m_mainWidget,
+               SLOT(updateErrorStatus(QList<RewriterView::Error>)));
 
-    m_designMode->registerDesignWidget(m_mainWidget, m_mimeTypes, m_context->context());
-    connect(m_designMode, SIGNAL(actionsUpdated(Core::IEditor*)), SLOT(updateActions(Core::IEditor*)));
 }
 
-BauhausPlugin *BauhausPlugin::pluginInstance()
+void QmlDesignerPlugin::resetModelSelection()
 {
-    return m_pluginInstance;
+    if (currentDesignDocument()->rewriterView() && currentDesignDocument()->currentModel())
+        currentDesignDocument()->rewriterView()->setSelectedModelNodes(QList<ModelNode>());
 }
 
-void BauhausPlugin::switchTextDesign()
+
+
+void QmlDesignerPlugin::onCurrentEditorChanged(Core::IEditor *editor)
+{
+    if (editor
+            && editor->id() == QmlJSEditor::Constants::C_QMLJSEDITOR_ID
+            && isInDesignerMode())
+    {
+        m_shortCutManager.updateActions(editor);
+        changeEditor();
+    }
+}
+
+static bool isDesignerMode(Core::IMode *mode)
+{
+    return mode == Core::DesignMode::instance();
+}
+
+void QmlDesignerPlugin::onCurrentModeChanged(Core::IMode *newMode, Core::IMode *oldMode)
+{
+    if ((currentDesignDocument()
+         && Core::EditorManager::currentEditor() == currentDesignDocument()->editor())
+            && isDesignerMode(newMode))
+        return;
+
+    if (!isDesignerMode(newMode) && isDesignerMode(oldMode))
+        hideDesigner();
+    else  if (Core::EditorManager::currentEditor()
+              && isDesignerMode(newMode)
+              && isQmlFile(Core::EditorManager::currentEditor()))
+        showDesigner();
+    else if (currentDesignDocument())
+        hideDesigner();
+
+}
+
+DesignDocument *QmlDesignerPlugin::currentDesignDocument() const
+{
+    return m_documentManager.currentDesignDocument();
+}
+
+Internal::DesignModeWidget *QmlDesignerPlugin::mainWidget() const
+{
+    return m_mainWidget;
+}
+
+void QmlDesignerPlugin::onTextEditorsClosed(QList<Core::IEditor*> editors)
+{
+    if (m_documentManager.hasCurrentDesignDocument()
+            && editors.contains(m_documentManager.currentDesignDocument()->textEditor()))
+        hideDesigner();
+
+    m_documentManager.removeEditors(editors);
+}
+
+void QmlDesignerPlugin::extensionsInitialized()
+{
+    QStringList mimeTypes;
+    mimeTypes.append("application/x-qml");
+
+    Core::DesignMode::instance()->registerDesignWidget(m_mainWidget, mimeTypes, m_context->context());
+    connect(Core::DesignMode::instance(),
+            SIGNAL(actionsUpdated(Core::IEditor*)),
+            &m_shortCutManager,
+            SLOT(updateActions(Core::IEditor*)));
+}
+
+QmlDesignerPlugin *QmlDesignerPlugin::instance()
+{
+    return m_instance;
+}
+
+DocumentManager &QmlDesignerPlugin::documentManager()
+{
+    return m_documentManager;
+}
+
+const DocumentManager &QmlDesignerPlugin::documentManager() const
+{
+    return m_documentManager;
+}
+
+ViewManager &QmlDesignerPlugin::viewManager()
+{
+    return m_viewManager;
+}
+
+const ViewManager &QmlDesignerPlugin::viewManager() const
+{
+    return m_viewManager;
+}
+
+void QmlDesignerPlugin::switchTextDesign()
 {
     if (Core::ModeManager::currentMode()->id() == Core::Constants::MODE_EDIT) {
         Core::IEditor *editor = Core::EditorManager::currentEditor();
-        if (editor->id() == QmlJSEditor::Constants::C_QMLJSEDITOR_ID) {
+        if (editor->id() == QmlJSEditor::Constants::C_QMLJSEDITOR_ID)
             Core::ModeManager::activateMode(Core::Constants::MODE_DESIGN);
-            m_mainWidget->setFocus();
-        }
     } else if (Core::ModeManager::currentMode()->id() == Core::Constants::MODE_DESIGN) {
         Core::ModeManager::activateMode(Core::Constants::MODE_EDIT);
     }
 }
 
-DesignerSettings BauhausPlugin::settings()
+DesignerSettings QmlDesignerPlugin::settings()
 {
     m_settings.fromSettings(Core::ICore::settings());
     return m_settings;
 }
 
-void BauhausPlugin::setSettings(const DesignerSettings &s)
+void QmlDesignerPlugin::setSettings(const DesignerSettings &s)
 {
     if (s != m_settings) {
         m_settings = s;
@@ -383,7 +444,6 @@ void BauhausPlugin::setSettings(const DesignerSettings &s)
     }
 }
 
-}
 }
 
-Q_EXPORT_PLUGIN(QmlDesigner::Internal::BauhausPlugin)
+Q_EXPORT_PLUGIN(QmlDesigner::QmlDesignerPlugin)

src/plugins/qmldesigner/qmldesignerplugin.h

@@ -35,6 +35,10 @@
 
 #include <extensionsystem/iplugin.h>
 
+#include "documentmanager.h"
+#include "viewmanager.h"
+#include "shortcutmanager.h"
+
 #include <QWeakPointer>
 #include <QStringList>
 
@@ -51,60 +55,70 @@ namespace Core {
 }
 
 namespace QmlDesigner {
-namespace Internal {
 
+namespace Internal {
 class DesignModeWidget;
 class DesignModeContext;
+}
 
-class BauhausPlugin : public ExtensionSystem::IPlugin
+class QmlDesignerPlugin : public ExtensionSystem::IPlugin
 {
     Q_OBJECT
     Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QtCreatorPlugin" FILE "QmlDesigner.json")
 
 public:
-    BauhausPlugin();
+    QmlDesignerPlugin();
-    virtual ~BauhausPlugin();
+    virtual ~QmlDesignerPlugin();
 
     //Plugin
     virtual bool initialize(const QStringList &arguments, QString *errorMessage = 0);
     virtual void extensionsInitialized();
 
-    static BauhausPlugin *pluginInstance();
+    static QmlDesignerPlugin *instance();
+
+    DocumentManager &documentManager();
+    const DocumentManager &documentManager() const;
+
+    ViewManager &viewManager();
+    const ViewManager &viewManager() const;
 
     DesignerSettings settings();
     void setSettings(const DesignerSettings &s);
 
+    DesignDocument *currentDesignDocument() const;
+    Internal::DesignModeWidget *mainWidget() const;
+
 private slots:
-
     void switchTextDesign();
-    void textEditorsClosed(QList<Core::IEditor *> editors);
+    void onTextEditorsClosed(QList<Core::IEditor *> editors);
-    void updateActions(Core::IEditor* editor);
+    void onCurrentEditorChanged(Core::IEditor *editor);
-    void updateEditor(Core::IEditor *editor);
+    void onCurrentModeChanged(Core::IMode *mode, Core::IMode *oldMode);
-    void contextChanged(Core::IContext *context, const Core::Context &additionalContexts);
 
-private:
+private: // functions
     void createDesignModeWidget();
+    void showDesigner();
+    void hideDesigner();
+    void changeEditor();
+    void jumpTextCursorToSelectedModelNode();
+    void selectModelNodeUnderTextCursor();
+    void activateAutoSynchronization();
+    void deactivateAutoSynchronization();
+    void resetModelSelection();
 
-    QStringList m_mimeTypes;
+private: // variables
-    DesignModeWidget *m_mainWidget;
+    ViewManager m_viewManager;
+    DocumentManager m_documentManager;
+    ShortCutManager m_shortCutManager;
+
+    Internal::DesignModeWidget *m_mainWidget;
 
     QmlDesigner::PluginManager m_pluginManager;
-    static BauhausPlugin *m_pluginInstance;
+    static QmlDesignerPlugin *m_instance;
     DesignerSettings m_settings;
-    DesignModeContext *m_context;
+    Internal::DesignModeContext *m_context;
-    Core::DesignMode *m_designMode;
-    Core::EditorManager *m_editorManager;
     bool m_isActive;
-
-    QAction *m_revertToSavedAction;
-    QAction *m_saveAction;
-    QAction *m_saveAsAction;
-    QAction *m_closeCurrentEditorAction;
-    QAction *m_closeAllEditorsAction;
-    QAction *m_closeOtherEditorsAction;
 };
 
-} // namespace Internal
 } // namespace QmlDesigner
 
 #endif // QMLDESIGNERPLUGIN_H

src/plugins/qmldesigner/qmldesignerplugin.pri

@@ -1,16 +1,20 @@
 HEADERS += $$PWD/qmldesignerconstants.h \
+    $$PWD/shortcutmanager.h \
     $$PWD/qmldesignerplugin.h \
     $$PWD/designmodewidget.h \
     $$PWD/designersettings.h \
     $$PWD/settingspage.h \
     $$PWD/designmodecontext.h \
+    $$PWD/documentmanager.h \
     $$PWD/styledoutputpaneplaceholder.h
 
 SOURCES += $$PWD/qmldesignerplugin.cpp \
+    $$PWD/shortcutmanager.cpp \
     $$PWD/designmodewidget.cpp \
     $$PWD/designersettings.cpp \
     $$PWD/settingspage.cpp \
     $$PWD/designmodecontext.cpp \
+    $$PWD/documentmanager.cpp \
     $$PWD/styledoutputpaneplaceholder.cpp
 
 FORMS += $$PWD/settingspage.ui

src/plugins/qmldesigner/settingspage.cpp

@@ -95,7 +95,7 @@ SettingsPage::SettingsPage() :
 QWidget *SettingsPage::createPage(QWidget *parent)
 {
     m_widget = new SettingsPageWidget(parent);
-    m_widget->setSettings(BauhausPlugin::pluginInstance()->settings());
+    m_widget->setSettings(QmlDesignerPlugin::instance()->settings());
     if (m_searchKeywords.isEmpty())
         m_searchKeywords = m_widget->searchKeywords();
     return m_widget;
@@ -105,7 +105,7 @@ void SettingsPage::apply()
 {
     if (!m_widget) // page was never shown
         return;
-    BauhausPlugin::pluginInstance()->setSettings(m_widget->settings());
+    QmlDesignerPlugin::instance()->setSettings(m_widget->settings());
 }
 
 bool SettingsPage::matches(const QString &s) const

src/plugins/qmldesigner/shortcutmanager.cpp

@@ -0,0 +1,326 @@
+#include "shortcutmanager.h"
+
+#include <coreplugin/actionmanager/actionmanager.h>
+#include <coreplugin/actionmanager/actioncontainer.h>
+#include <coreplugin/icore.h>
+#include <coreplugin/editormanager/openeditorsmodel.h>
+#include <coreplugin/coreconstants.h>
+#include <utils/hostosinfo.h>
+
+#include "qmldesignerconstants.h"
+#include "designdocument.h"
+#include "qmldesignerplugin.h"
+#include "designmodewidget.h"
+
+
+namespace QmlDesigner {
+
+ShortCutManager::ShortCutManager()
+    : QObject(),
+    m_revertToSavedAction(0),
+    m_saveAction(0),
+    m_saveAsAction(0),
+    m_closeCurrentEditorAction(0),
+    m_closeAllEditorsAction(0),
+    m_closeOtherEditorsAction(0),
+    m_undoAction(tr("&Undo"), 0),
+    m_redoAction(tr("&Redo"), 0),
+    m_deleteAction(tr("Delete"), tr("Delete \"%1\""), Utils::ParameterAction::EnabledWithParameter),
+    m_cutAction(tr("Cu&t"), tr("Cut \"%1\""), Utils::ParameterAction::EnabledWithParameter),
+    m_copyAction(tr("&Copy"), tr("Copy \"%1\""), Utils::ParameterAction::EnabledWithParameter),
+    m_pasteAction(tr("&Paste"), tr("Paste \"%1\""), Utils::ParameterAction::EnabledWithParameter),
+    m_selectAllAction(tr("Select &All"), tr("Select All \"%1\""), Utils::ParameterAction::EnabledWithParameter),
+    m_hideSidebarsAction(tr("Toggle Full Screen"), 0),
+    m_restoreDefaultViewAction(tr("&Restore Default View"), 0),
+    m_toggleLeftSidebarAction(tr("Toggle &Left Sidebar"), 0),
+    m_toggleRightSidebarAction(tr("Toggle &Right Sidebar"), 0),
+    m_goIntoComponentAction (tr("&Go into Component"), 0)
+{
+
+}
+
+void ShortCutManager::registerActions()
+{
+    Core::ActionContainer *editMenu = Core::ActionManager::actionContainer(Core::Constants::M_EDIT);
+
+    Core::Context qmlDesignerMainContext(Constants::C_QMLDESIGNER);
+    Core::Context qmlDesignerFormEditorContext(Constants::C_QMLFORMEDITOR);
+    Core::Context qmlDesignerNavigatorContext(Constants::C_QMLNAVIGATOR);
+
+    connect(&m_undoAction, SIGNAL(triggered()), this, SLOT(undo()));
+
+    connect(&m_redoAction, SIGNAL(triggered()), this, SLOT(redo()));
+
+    connect(&m_deleteAction, SIGNAL(triggered()), this, SLOT(deleteSelected()));
+
+    connect(&m_cutAction, SIGNAL(triggered()), this, SLOT(cutSelected()));
+
+    connect(&m_copyAction, SIGNAL(triggered()), this, SLOT(copySelected()));
+
+    connect(&m_pasteAction, SIGNAL(triggered()), this, SLOT(paste()));
+
+    connect(&m_selectAllAction, SIGNAL(triggered()), this, SLOT(selectAll()));
+
+    connect(&m_hideSidebarsAction, SIGNAL(triggered()), this, SLOT(toggleSidebars()));
+
+    connect(&m_restoreDefaultViewAction,
+            SIGNAL(triggered()),
+            QmlDesignerPlugin::instance()->mainWidget(),
+            SLOT(restoreDefaultView()));
+
+    connect(&m_goIntoComponentAction, SIGNAL(triggered()), SLOT(goIntoComponent()));
+
+    connect(&m_toggleLeftSidebarAction,
+            SIGNAL(triggered()),
+            QmlDesignerPlugin::instance()->mainWidget(),
+            SLOT(toggleLeftSidebar()));
+
+    connect(&m_toggleRightSidebarAction,
+            SIGNAL(triggered()),
+            QmlDesignerPlugin::instance()->mainWidget(),
+            SLOT(toggleRightSidebar()));
+
+    // Revert to saved
+    Core::ActionManager::registerAction(&m_revertToSavedAction,Core::Constants::REVERTTOSAVED, qmlDesignerMainContext);
+    connect(&m_revertToSavedAction, SIGNAL(triggered()), Core::ICore::editorManager(), SLOT(revertToSaved()));
+
+    //Save
+    Core::ActionManager::registerAction(&m_saveAction, Core::Constants::SAVE, qmlDesignerMainContext);
+    connect(&m_saveAction, SIGNAL(triggered()), Core::ICore::editorManager(), SLOT(saveDocument()));
+
+    //Save As
+    Core::ActionManager::registerAction(&m_saveAsAction, Core::Constants::SAVEAS, qmlDesignerMainContext);
+    connect(&m_saveAsAction, SIGNAL(triggered()), Core::ICore::editorManager(), SLOT(saveDocumentAs()));
+
+    //Close Editor
+    Core::ActionManager::registerAction(&m_closeCurrentEditorAction, Core::Constants::CLOSE, qmlDesignerMainContext);
+    connect(&m_closeCurrentEditorAction, SIGNAL(triggered()), Core::ICore::editorManager(), SLOT(closeEditor()));
+
+    //Close All
+    Core::ActionManager::registerAction(&m_closeAllEditorsAction, Core::Constants::CLOSEALL, qmlDesignerMainContext);
+    connect(&m_closeAllEditorsAction, SIGNAL(triggered()), Core::ICore::editorManager(), SLOT(closeAllEditors()));
+
+    //Close All Others Action
+    Core::ActionManager::registerAction(&m_closeOtherEditorsAction, Core::Constants::CLOSEOTHERS, qmlDesignerMainContext);
+    connect(&m_closeOtherEditorsAction, SIGNAL(triggered()), Core::ICore::editorManager(), SLOT(closeOtherEditors()));
+
+    // Undo / Redo
+    Core::ActionManager::registerAction(&m_undoAction, Core::Constants::UNDO, qmlDesignerMainContext);
+    Core::ActionManager::registerAction(&m_redoAction, Core::Constants::REDO, qmlDesignerMainContext);
+
+    Core::Command *command;
+
+    //GoIntoComponent
+    command = Core::ActionManager::registerAction(&m_goIntoComponentAction,
+                                                  Constants::GO_INTO_COMPONENT, qmlDesignerMainContext);
+    command->setDefaultKeySequence(QKeySequence(Qt::Key_F2));
+
+    //Edit Menu
+
+    command = Core::ActionManager::registerAction(&m_deleteAction, QmlDesigner::Constants::DELETE, qmlDesignerFormEditorContext);
+    command = Core::ActionManager::registerAction(&m_deleteAction, QmlDesigner::Constants::DELETE, qmlDesignerNavigatorContext);
+    command->setDefaultKeySequence(QKeySequence::Delete);
+    command->setAttribute(Core::Command::CA_Hide); // don't show delete in other modes
+    editMenu->addAction(command, Core::Constants::G_EDIT_COPYPASTE);
+
+    command = Core::ActionManager::registerAction(&m_cutAction, Core::Constants::CUT, qmlDesignerFormEditorContext);
+    command = Core::ActionManager::registerAction(&m_cutAction, Core::Constants::CUT, qmlDesignerNavigatorContext);
+    command->setDefaultKeySequence(QKeySequence::Cut);
+    editMenu->addAction(command, Core::Constants::G_EDIT_COPYPASTE);
+
+    command = Core::ActionManager::registerAction(&m_copyAction, Core::Constants::COPY, qmlDesignerFormEditorContext);
+    command = Core::ActionManager::registerAction(&m_copyAction,  Core::Constants::COPY, qmlDesignerNavigatorContext);
+    command->setDefaultKeySequence(QKeySequence::Copy);
+    editMenu->addAction(command, Core::Constants::G_EDIT_COPYPASTE);
+
+    command = Core::ActionManager::registerAction(&m_pasteAction,  Core::Constants::PASTE, qmlDesignerFormEditorContext);
+    command = Core::ActionManager::registerAction(&m_pasteAction,  Core::Constants::PASTE, qmlDesignerNavigatorContext);
+    command->setDefaultKeySequence(QKeySequence::Paste);
+    editMenu->addAction(command, Core::Constants::G_EDIT_COPYPASTE);
+
+    command = Core::ActionManager::registerAction(&m_selectAllAction, Core::Constants::SELECTALL, qmlDesignerFormEditorContext);
+    command = Core::ActionManager::registerAction(&m_selectAllAction, Core::Constants::SELECTALL, qmlDesignerNavigatorContext);
+
+    command->setDefaultKeySequence(QKeySequence::SelectAll);
+    editMenu->addAction(command, Core::Constants::G_EDIT_SELECTALL);
+
+    Core::ActionContainer *viewsMenu = Core::ActionManager::actionContainer(Core::Constants::M_WINDOW_VIEWS);
+
+    command = Core::ActionManager::registerAction(&m_toggleLeftSidebarAction,  Constants::TOGGLE_LEFT_SIDEBAR, qmlDesignerMainContext);
+    command->setAttribute(Core::Command::CA_Hide);
+    command->setDefaultKeySequence(QKeySequence("Ctrl+Alt+0"));
+    viewsMenu->addAction(command);
+
+    command = Core::ActionManager::registerAction(&m_toggleRightSidebarAction, Constants::TOGGLE_RIGHT_SIDEBAR, qmlDesignerMainContext);
+    command->setAttribute(Core::Command::CA_Hide);
+    command->setDefaultKeySequence(QKeySequence("Ctrl+Alt+Shift+0"));
+    viewsMenu->addAction(command);
+
+    command = Core::ActionManager::registerAction(&m_restoreDefaultViewAction,  Constants::RESTORE_DEFAULT_VIEW, qmlDesignerMainContext);
+    command->setAttribute(Core::Command::CA_Hide);
+    viewsMenu->addAction(command);
+
+    command = Core::ActionManager::registerAction(&m_hideSidebarsAction, Core::Constants::TOGGLE_SIDEBAR, qmlDesignerMainContext);
+
+    if (Utils::HostOsInfo::isMacHost()) {
+        // add second shortcut to trigger delete
+        QAction *deleteAction = new QAction(this);
+        deleteAction->setShortcut(QKeySequence(QLatin1String("Backspace")));
+        connect(deleteAction,
+                SIGNAL(triggered()),
+                &m_deleteAction,
+                SIGNAL(triggered()));
+    }
+}
+
+void ShortCutManager::updateActions(Core::IEditor* editor)
+{
+    Core::IEditor *currentEditor = editor;
+    int openedCount = Core::ICore::editorManager()->openedEditors().count()
+                      + Core::ICore::editorManager()->openedEditorsModel()->restoredEditors().count();
+
+    QString fileName;
+    if (currentEditor) {
+        if (!currentEditor->document()->fileName().isEmpty()) {
+            QFileInfo fileInfo(currentEditor->document()->fileName());
+            fileName = fileInfo.fileName();
+        } else {
+            fileName = currentEditor->displayName();
+        }
+    }
+
+    m_saveAction.setEnabled(currentEditor != 0 && currentEditor->document()->isModified());
+    m_saveAsAction.setEnabled(currentEditor != 0 && currentEditor->document()->isSaveAsAllowed());
+    m_revertToSavedAction.setEnabled(currentEditor != 0
+                                      && !currentEditor->document()->fileName().isEmpty()
+                                      && currentEditor->document()->isModified());
+
+    QString quotedName;
+    if (!fileName.isEmpty())
+        quotedName = '"' + fileName + '"';
+
+    m_saveAsAction.setText(tr("Save %1 As...").arg(quotedName));
+    m_saveAction.setText(tr("&Save %1").arg(quotedName));
+    m_revertToSavedAction.setText(tr("Revert %1 to Saved").arg(quotedName));
+
+    m_closeCurrentEditorAction.setEnabled(currentEditor != 0);
+    m_closeCurrentEditorAction.setText(tr("Close %1").arg(quotedName));
+    m_closeAllEditorsAction.setEnabled(openedCount > 0);
+    m_closeOtherEditorsAction.setEnabled(openedCount > 1);
+    m_closeOtherEditorsAction.setText((openedCount > 1 ? tr("Close All Except %1").arg(quotedName) : tr("Close Others")));
+}
+
+void ShortCutManager::undo()
+{
+    if (currentDesignDocument())
+        currentDesignDocument()->undo();
+}
+
+void ShortCutManager::redo()
+{
+    if (currentDesignDocument())
+        currentDesignDocument()->redo();
+}
+
+void ShortCutManager::deleteSelected()
+{
+    if (currentDesignDocument())
+        currentDesignDocument()->deleteSelected();
+}
+
+void ShortCutManager::cutSelected()
+{
+    if (currentDesignDocument())
+        currentDesignDocument()->cutSelected();
+}
+
+void ShortCutManager::copySelected()
+{
+    if (currentDesignDocument())
+        currentDesignDocument()->copySelected();
+}
+
+void ShortCutManager::paste()
+{
+    if (currentDesignDocument())
+        currentDesignDocument()->paste();
+}
+
+void ShortCutManager::selectAll()
+{
+    if (currentDesignDocument())
+        currentDesignDocument()->selectAll();
+}
+
+void ShortCutManager::toggleSidebars()
+{
+    QmlDesignerPlugin::instance()->mainWidget()->toggleSidebars();
+}
+
+void ShortCutManager::toggleLeftSidebar()
+{
+    QmlDesignerPlugin::instance()->mainWidget()->toggleLeftSidebar();
+}
+
+void ShortCutManager::toggleRightSidebar()
+{
+     QmlDesignerPlugin::instance()->mainWidget()->toggleRightSidebar();
+}
+
+void ShortCutManager::connectUndoActions(DesignDocument *designDocument)
+{
+    if (designDocument) {
+        connect(designDocument, SIGNAL(undoAvailable(bool)), this, SLOT(undoAvailable(bool)));
+        connect(designDocument, SIGNAL(redoAvailable(bool)), this, SLOT(redoAvailable(bool)));
+    }
+}
+
+void ShortCutManager::disconnectUndoActions(DesignDocument *designDocument)
+{
+    if (currentDesignDocument()) {
+        disconnect(designDocument, SIGNAL(undoAvailable(bool)), this, SLOT(undoAvailable(bool)));
+        disconnect(designDocument, SIGNAL(redoAvailable(bool)), this, SLOT(redoAvailable(bool)));
+    }
+}
+
+void ShortCutManager::updateUndoActions(DesignDocument *designDocument)
+{
+    if (designDocument) {
+        m_undoAction.setEnabled(designDocument->isUndoAvailable());
+        m_redoAction.setEnabled(designDocument->isRedoAvailable());
+    } else {
+        m_undoAction.setEnabled(false);
+        m_redoAction.setEnabled(false);
+    }
+}
+
+DesignDocument *ShortCutManager::currentDesignDocument() const
+{
+    return QmlDesignerPlugin::instance()->currentDesignDocument();
+}
+
+void ShortCutManager::undoAvailable(bool isAvailable)
+{
+    DesignDocument *documentController = qobject_cast<DesignDocument*>(sender());
+    if (currentDesignDocument() &&
+        currentDesignDocument() == documentController) {
+        m_undoAction.setEnabled(isAvailable);
+    }
+}
+
+void ShortCutManager::redoAvailable(bool isAvailable)
+{
+    DesignDocument *documentController = qobject_cast<DesignDocument*>(sender());
+    if (currentDesignDocument() &&
+        currentDesignDocument() == documentController) {
+        m_redoAction.setEnabled(isAvailable);
+    }
+}
+
+void ShortCutManager::goIntoComponent()
+{
+    if (currentDesignDocument())
+        currentDesignDocument()->goIntoComponent();
+}
+
+} // namespace QmlDesigner

src/plugins/qmldesigner/shortcutmanager.h

@@ -0,0 +1,72 @@
+#ifndef QMLDESIGNER_SHORTCUTMANAGER_H
+#define QMLDESIGNER_SHORTCUTMANAGER_H
+
+#include <QObject>
+#include <QAction>
+#include <utils/parameteraction.h>
+
+
+namespace Core {
+    class IEditor;
+}
+
+namespace QmlDesigner {
+
+class DesignDocument;
+
+class ShortCutManager : public QObject
+{
+    Q_OBJECT
+
+public:
+    ShortCutManager();
+
+    void registerActions();
+
+    void connectUndoActions(DesignDocument *designDocument);
+    void disconnectUndoActions(DesignDocument *designDocument);
+    void updateUndoActions(DesignDocument *designDocument);
+    DesignDocument *currentDesignDocument() const;
+
+public slots:
+    void updateActions(Core::IEditor* editor);
+
+private slots:
+    void undo();
+    void redo();
+    void deleteSelected();
+    void cutSelected();
+    void copySelected();
+    void paste();
+    void selectAll();
+    void toggleSidebars();
+    void toggleLeftSidebar();
+    void toggleRightSidebar();
+    void undoAvailable(bool isAvailable);
+    void redoAvailable(bool isAvailable);
+    void goIntoComponent();
+
+private:
+    QAction m_revertToSavedAction;
+    QAction m_saveAction;
+    QAction m_saveAsAction;
+    QAction m_closeCurrentEditorAction;
+    QAction m_closeAllEditorsAction;
+    QAction m_closeOtherEditorsAction;
+    QAction m_undoAction;
+    QAction m_redoAction;
+    Utils::ParameterAction m_deleteAction;
+    Utils::ParameterAction m_cutAction;
+    Utils::ParameterAction m_copyAction;
+    Utils::ParameterAction m_pasteAction;
+    Utils::ParameterAction m_selectAllAction;
+    QAction m_hideSidebarsAction;
+    QAction m_restoreDefaultViewAction;
+    QAction m_toggleLeftSidebarAction;
+    QAction m_toggleRightSidebarAction;
+    QAction m_goIntoComponentAction;
+};
+
+} // namespace QmlDesigner
+
+#endif // QMLDESIGNER_SHORTCUTMANAGER_H