QmlDesigner.componentView: allowing setting of node

Change-Id: Ib2f2dd599deb3dcb96e45ed891ce3130c58ac68e
Reviewed-on: http://codereview.qt.nokia.com/786
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@nokia.com>

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

@@ -51,12 +51,14 @@ class ComponentAction : public QWidgetAction
     Q_OBJECT
 public:
     ComponentAction(ComponentView  *componentView);
+    void setCurrentIndex(int);
 
 protected:
     QWidget  *createWidget(QWidget *parent);
 
 signals:
     void currentComponentChanged(const ModelNode &node);
+    void currentIndexChanged(int);
 
 private slots:
     void emitCurrentComponentChanged(int index);

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

@@ -105,6 +105,8 @@ public:
 
     ModelNode modelNode(int index) const;
 
+    void setComponentNode(const ModelNode &node);
+
 signals:
     void componentListChanged(const QStringList &componentList);
 
@@ -114,6 +116,7 @@ private: //functions
     void searchForComponentAndRemoveFromList(const ModelNode &node);
     void appendWholeDocumentAsComponent();
     void removeSingleNodeFromList(const ModelNode &node);
+    int indexForNode(const ModelNode &node);
 
 private:
     QStandardItemModel *m_standardItemModel;

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

@@ -437,6 +437,7 @@ void DesignDocumentController::changeCurrentModelTo(const ModelNode &componentNo
     Q_ASSERT(m_d->model);
 
     loadCurrentModel();
+    m_d->componentView->setComponentNode(componentNode);
 }
 
 void DesignDocumentController::loadCurrentModel()