QmlDesigner: Add Move to Component to the designer

This allows the creation of components from existing code in the designer.

Change-Id: I2a0e45fca64c4ddbce6d594d40e683600b7fec32
Reviewed-by: Tim Jenssen <tim.jenssen@theqtcompany.com>

src/plugins/qmldesigner/components/componentcore/componentcore_constants.h

@@ -72,6 +72,7 @@ const char resetPositionDisplayName[] = QT_TRANSLATE_NOOP("QmlDesignerContextMen
 
 const char goIntoComponentDisplayName[] = QT_TRANSLATE_NOOP("QmlDesignerContextMenu", "Go into Component");
 const char goToImplementationDisplayName[] = QT_TRANSLATE_NOOP("QmlDesignerContextMenu", "Go to Implementation");
+const char moveToComponentDisplayName[] = QT_TRANSLATE_NOOP("QmlDesignerContextMenu", "Move to Component");
 
 const char setIdDisplayName[] = QT_TRANSLATE_NOOP("QmlDesignerContextMenu", "Set Id");
 

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

@@ -510,6 +510,8 @@ void DesignerActionManager::createDefaultDesignerActions()
                (goIntoComponentDisplayName, rootCategory, priorityGoIntoComponent, &goIntoComponent, &selectionIsComponent));
     addDesignerAction(new ModelNodeAction
                (goToImplementationDisplayName, rootCategory, 42, &gotoImplementation, &singleSelectedAndUiFile, &singleSelectedAndUiFile));
+    addDesignerAction(new ModelNodeAction
+               (moveToComponentDisplayName, rootCategory, 44, &moveToComponent, &singleSelection, &singleSelection));
 
 }
 

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

@@ -773,6 +773,16 @@ void removePositioner(const SelectionContext &selectionContext)
     removeLayout(selectionContext);
 }
 
+void moveToComponent(const SelectionContext &selectionContext)
+{
+    ModelNode modelNode;
+    if (selectionContext.singleNodeIsSelected())
+        modelNode = selectionContext.selectedModelNodes().first();
+
+    if (modelNode.isValid())
+        selectionContext.view()->model()->rewriterView()->moveToComponent(modelNode);
+}
+
 } // namespace Mode
 
 } //QmlDesigner

src/plugins/qmldesigner/components/componentcore/modelnodeoperations.h

@@ -66,6 +66,7 @@ void layoutGridLayout(const SelectionContext &selectionState);
 void gotoImplementation(const SelectionContext &selectionState);
 void removeLayout(const SelectionContext &selectionContext);
 void removePositioner(const SelectionContext &selectionContext);
+void moveToComponent(const SelectionContext &selectionContext);
 
 
 } // namespace ModelNodeOperationso

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

@@ -46,6 +46,7 @@ public:
     virtual int indentDepth() const;
 
     virtual bool renameId(const QString &oldId, const QString &newId);
+    virtual bool moveToComponent(int nodeOffset);
 };
 
 } // namespace QmlDesigner

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

@@ -54,6 +54,7 @@ public:
     virtual void reactivateChangeSignals();
 
     virtual bool renameId(const QString & /* oldId */, const QString & /* newId */) { return false; }
+    virtual bool moveToComponent(int /* nodeOffset */) { return false; }
 
 public slots:
     void contentsChange(int position, int charsRemoved, int charsAdded);

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

@@ -69,6 +69,7 @@ public:
     virtual void reactivateChangeSignals();
 
     virtual bool renameId(const QString & /* oldId */, const QString & /* newId */) { return false; }
+    virtual bool moveToComponent(int /* nodeOffset */) { return false; }
 
 protected:
     QPlainTextEdit *plainTextEdit() const

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

@@ -176,6 +176,8 @@ public:
 
     QSet<QPair<QString, QString> > qrcMapping() const;
 
+    void moveToComponent(const ModelNode &modelNode);
+
 signals:
     void errorsChanged(const QList<RewriterError> &errors);
 

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

@@ -82,6 +82,8 @@ public:
 
     virtual bool renameId(const QString &oldId, const QString &newId) = 0;
 
+    virtual bool moveToComponent(int nodeOffset) = 0;
+
 signals:
     void textChanged();
 

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

@@ -26,11 +26,15 @@
 #include "basetexteditmodifier.h"
 
 #include <qmljs/qmljsmodelmanagerinterface.h>
+#include <qmljs/parser/qmljsast_p.h>
 #include <qmljstools/qmljsindenter.h>
 #include <qmljseditor/qmljseditordocument.h>
+#include <qmljseditor/qmljscomponentfromobjectdef.h>
 #include <texteditor/tabsettings.h>
 #include <utils/changeset.h>
 
+#include <typeinfo>
+
 using namespace QmlDesigner;
 
 BaseTextEditModifier::BaseTextEditModifier(TextEditor::TextEditorWidget *textEdit):
@@ -100,3 +104,37 @@ bool BaseTextEditModifier::renameId(const QString &oldId, const QString &newId)
     }
     return false;
 }
+
+static QmlJS::AST::UiObjectDefinition *getObjectDefinition(QList<QmlJS::AST::Node *> path, QmlJS::AST::UiQualifiedId *qualifiedId)
+{
+    QmlJS::AST::UiObjectDefinition *object = 0;
+    for (int i = path.size() - 1; i >= 0; --i) {
+        auto node = path.at(i);
+        if (auto objDef =  QmlJS::AST::cast<QmlJS::AST::UiObjectDefinition *>(node)) {
+            if (objDef->qualifiedTypeNameId == qualifiedId)
+                object = objDef;
+        }
+    }
+    return object;
+}
+
+bool BaseTextEditModifier::moveToComponent(int nodeOffset)
+{
+    if (TextEditor::TextEditorWidget *bte = qobject_cast<TextEditor::TextEditorWidget*>(plainTextEdit())) {
+        if (QmlJSEditor::QmlJSEditorDocument *document
+                = qobject_cast<QmlJSEditor::QmlJSEditorDocument *>(bte->textDocument())) {
+
+            auto *qualifiedId = QmlJS::AST::cast<QmlJS::AST::UiQualifiedId *>(document->semanticInfo().astNodeAt(nodeOffset));
+            QList<QmlJS::AST::Node *> path = document->semanticInfo().rangePath(nodeOffset);
+            QmlJS::AST::UiObjectDefinition *object = getObjectDefinition(path, qualifiedId);
+
+            if (!object)
+                return false;
+
+            QmlJSEditor::ComponentFromObjectDef::perform(document->filePath().toString(), object);
+            return true;
+
+        }
+    }
+    return false;
+}

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

@@ -715,6 +715,13 @@ QSet<QPair<QString, QString> > RewriterView::qrcMapping() const
     return m_textToModelMerger->qrcMapping();
 }
 
+void RewriterView::moveToComponent(const ModelNode &modelNode)
+{
+    int offset = nodeOffset(modelNode);
+
+    textModifier()->moveToComponent(offset);
+}
+
 void RewriterView::qmlTextChanged()
 {
     if (inErrorState())