QmlDesigner: adding debug view

This view improves debugging of the Qt Quick Designer.

Change-Id: I01a0240fd304c48707021d4445b2c09c9243d868
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
(cherry picked from commit 15f58b16fd)
Reviewed-by: Marco Bubke <marco.bubke@digia.com>

src/plugins/qmldesigner/components/debugview/debugview.cpp

@@ -0,0 +1,378 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 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 "debugview.h"
+#include "debugviewwidget.h"
+
+#include <qmldesignerplugin.h>
+#include <designersettings.h>
+
+#include <bindingproperty.h>
+#include <nodeabstractproperty.h>
+#include <variantproperty.h>
+
+namespace   {
+const QLatin1String lineBreak = QLatin1String("<br>");
+
+bool isDebugViewEnabled()
+{
+    return (QmlDesigner::QmlDesignerPlugin::instance()->settings().enableDebugView);
+}
+
+bool isDebugViewShown()
+{
+    return (QmlDesigner::QmlDesignerPlugin::instance()->settings().showDebugView);
+}
+
+}
+
+namespace QmlDesigner {
+
+namespace  Internal {
+
+DebugView::DebugView(QObject *parent) : QmlModelView(parent),
+    m_debugViewWidget(new DebugViewWidget)
+{
+}
+
+DebugView::~DebugView()
+{
+}
+
+void DebugView::modelAttached(Model *model)
+{
+    log(tr("Model attached"), tr("FileName %1").arg(model->fileUrl().toLocalFile()));
+    m_debugViewWidget->setDebugViewEnabled(isDebugViewEnabled());
+    qDebug() << "enabled: " << isDebugViewEnabled();
+    QmlModelView::modelAttached(model);
+}
+
+void DebugView::modelAboutToBeDetached(Model *model)
+{
+    log(tr("Model detached"), tr("FileName %1").arg(model->fileUrl().toLocalFile()));
+    QmlModelView::modelAboutToBeDetached(model);
+}
+
+void DebugView::importsChanged(const QList<Import> &addedImports, const QList<Import> &removedImports)
+{
+    if (isDebugViewEnabled()) {
+        QString message;
+        message += tr("Added imports:") += lineBreak;
+        foreach (const Import &import, addedImports) {
+            message += import.toString() += lineBreak;
+        }
+
+        message += tr("Removed imports:") += lineBreak;
+        foreach (const Import &import, removedImports) {
+            message += import.toString() += lineBreak;
+        }
+
+        log(tr("Imports changed:"), message);
+    }
+}
+
+void DebugView::nodeCreated(const ModelNode &createdNode)
+{
+    if (isDebugViewEnabled()) {
+        QTextStream message;
+        QString string;
+        message.setString(&string);
+        message << createdNode;
+        log(tr("Node created:"), message.readAll());
+    }
+}
+
+void DebugView::nodeAboutToBeRemoved(const ModelNode &removedNode)
+{
+    if (isDebugViewEnabled()) {
+        QTextStream message;
+        QString string;
+        message.setString(&string);
+        message << removedNode;
+        log(tr("Node removed:"), message.readAll());
+    }
+}
+
+void DebugView::nodeReparented(const ModelNode &node, const NodeAbstractProperty &newPropertyParent,
+                               const NodeAbstractProperty &oldPropertyParent, AbstractView::PropertyChangeFlags propertyChange)
+{
+    if (isDebugViewEnabled()) {
+        QTextStream message;
+        QString string;
+        message.setString(&string);
+        message << node;
+        message << tr("New parent property:");
+        message << lineBreak;
+        message << newPropertyParent;
+        message << tr("Old parent property:");
+        message << lineBreak;
+        message << oldPropertyParent;
+        message << tr("PropertyChangeFlag");
+        message << lineBreak;
+        message << propertyChange;
+        log(tr("Node reparanted:"), message.readAll());
+    }
+}
+
+void DebugView::nodeIdChanged(const ModelNode &node, const QString &newId, const QString &oldId)
+{
+    if (isDebugViewEnabled()) {
+        QTextStream message;
+        QString string;
+        message.setString(&string);
+        message << node;
+        message << tr("New Id: ") << newId << lineBreak;
+        message << tr("Old Id: ") << oldId << lineBreak;
+        log(tr("Node id changed:"), string);
+    }
+}
+
+void DebugView::propertiesAboutToBeRemoved(const QList<AbstractProperty> & /*propertyList*/)
+{
+}
+
+void DebugView::variantPropertiesChanged(const QList<VariantProperty> &propertyList,
+                                         AbstractView::PropertyChangeFlags /*propertyChange*/)
+{
+    if (isDebugViewEnabled()) {
+        QTextStream message;
+        QString string;
+        message.setString(&string);
+        foreach (const VariantProperty &property, propertyList) {
+            message << property;
+        }
+        log(tr("VariantProperties changed:"), string);
+    }
+}
+
+void DebugView::bindingPropertiesChanged(const QList<BindingProperty> &propertyList,
+                                         AbstractView::PropertyChangeFlags /*propertyChange*/)
+{
+    if (isDebugViewEnabled()) {
+        QTextStream message;
+        QString string;
+        message.setString(&string);
+        foreach (const BindingProperty &property, propertyList) {
+            message << property;
+        }
+        log(tr("BindingProperties changed:"), string);
+    }
+}
+
+void DebugView::rootNodeTypeChanged(const QString &type, int majorVersion, int minorVersion)
+{
+    if (isDebugViewEnabled()) {
+        QString message;
+        message += type;
+        message += QLatin1String(" ");
+        message += QString::number(majorVersion);
+        message += QLatin1String(" ");
+        message += QString::number(minorVersion);
+        log(tr("Node id changed:"), message);
+    }
+}
+
+void DebugView::selectedNodesChanged(const QList<ModelNode> & /*selectedNodeList*/,
+                                     const QList<ModelNode> & /*lastSelectedNodeList*/)
+{
+}
+
+void DebugView::scriptFunctionsChanged(const ModelNode & /*node*/, const QStringList & /*scriptFunctionList*/)
+{
+}
+
+void DebugView::propertiesRemoved(const QList<AbstractProperty> &propertyList)
+{
+    if (isDebugViewEnabled()) {
+        QTextStream message;
+        QString string;
+        message.setString(&string);
+        foreach (const AbstractProperty &property, propertyList) {
+            message << property;
+        }
+        log(tr("Properties removed:"), string);
+    }
+}
+
+QWidget *DebugView::widget()
+{
+    return 0;
+}
+
+void DebugView::auxiliaryDataChanged(const ModelNode &node, const PropertyName &name, const QVariant &data)
+{
+    if (isDebugViewEnabled()) {
+        QTextStream message;
+        QString string;
+        message.setString(&string);
+
+        message << node;
+        message << name;
+        message << data.toString();
+
+        log(tr("Auxiliary Data Changed:"), string);
+    }
+}
+
+void DebugView::rewriterBeginTransaction()
+{
+    if (isDebugViewEnabled())
+        log(tr("Begin rewriter transaction"), QString(), true);
+}
+
+void DebugView::rewriterEndTransaction()
+{
+    if (isDebugViewEnabled())
+        log(tr("End rewriter transaction"), QString(), true);
+}
+
+WidgetInfo DebugView::widgetInfo()
+{
+    return createWidgetInfo(m_debugViewWidget.data(), "DebugView", WidgetInfo::LeftPane, 0, tr("Debug View"));
+}
+
+bool DebugView::hasWidget() const
+{
+    if (isDebugViewShown())
+        return true;
+
+    return false;
+}
+
+void DebugView::instancePropertyChange(const QList<QPair<ModelNode, PropertyName> > &propertyList)
+{
+    if (isDebugViewEnabled()) {
+        QTextStream message;
+        QString string;
+        message.setString(&string);
+
+        typedef QPair<ModelNode, PropertyName> Pair;
+
+        foreach (const Pair &pair, propertyList) {
+            message << pair.first;
+            message << lineBreak;
+            message << pair.second;
+        }
+
+        logInstance(tr("Instance property change"), string);
+    }
+}
+
+void DebugView::instancesCompleted(const QVector<ModelNode> &completedNodeList)
+{
+    if (isDebugViewEnabled()) {
+        QTextStream message;
+        QString string;
+        message.setString(&string);
+
+        foreach (const ModelNode &modelNode, completedNodeList) {
+            message << modelNode;
+        }
+
+        logInstance(tr("Instance Completed"), string);
+    }
+}
+
+void DebugView::instanceInformationsChange(const QMultiHash<ModelNode, InformationName> &informationChangeHash)
+{
+    if (isDebugViewEnabled()) {
+        QTextStream message;
+        QString string;
+        message.setString(&string);
+
+        foreach (const ModelNode &modelNode, informationChangeHash.keys()) {
+            message << modelNode;
+            message << informationChangeHash.value(modelNode);
+        }
+
+        logInstance(tr("Instance Completed"), string);
+    }
+
+}
+
+void DebugView::instancesRenderImageChanged(const QVector<ModelNode> & /*nodeList*/)
+{
+}
+
+void DebugView::instancesPreviewImageChanged(const QVector<ModelNode> & /*nodeList*/)
+{
+}
+
+void DebugView::instancesChildrenChanged(const QVector<ModelNode> & /*nodeList*/)
+{
+}
+
+void DebugView::customNotification(const AbstractView *view, const QString &identifier, const QList<ModelNode> &nodeList, const QList<QVariant> &data)
+{
+    if (isDebugViewEnabled()) {
+        QTextStream message;
+        QString string;
+        message.setString(&string);
+
+        message << view;
+        message << identifier;
+        foreach (const ModelNode &node, nodeList) {
+            message << node;
+        }
+
+        foreach (const QVariant &variant, data) {
+            message << variant.toString();
+        }
+
+        log(tr("Custom Notification:"), string);
+    }
+}
+
+void DebugView::nodeSourceChanged(const ModelNode &modelNode, const QString &newNodeSource)
+{
+    if (isDebugViewEnabled()) {
+        QTextStream message;
+        QString string;
+        message.setString(&string);
+
+        message << modelNode;
+        message << newNodeSource;
+
+        log(tr("Node Source Changed:"), string);
+    }
+}
+
+void DebugView::log(const QString &title, const QString &message, bool highlight)
+{
+    m_debugViewWidget->addLogMessage(title, message, highlight);
+}
+
+void DebugView::logInstance(const QString &title, const QString &message, bool highlight)
+{
+    m_debugViewWidget->addLogInstanceMessage(title, message, highlight);
+}
+
+} // namesapce Internal
+
+} // namespace QmlDesigner