Added preview menu and shortcuts for qt quick (Ctrl+Alt+R)

This was needed since we cannot start stuff otherwise without a project

Task-number: BAUHAUS-450
Reviewed-by: kkoehne

src/plugins/qmljseditor/qmljseditorplugin.h

@@ -32,10 +32,18 @@
 
 #include <extensionsystem/iplugin.h>
 
+QT_FORWARD_DECLARE_CLASS(QAction)
+
 namespace TextEditor {
 class TextEditorActionHandler;
 } // namespace TextEditor
 
+namespace Core {
+class Command;
+class ActionContainer;
+class ActionManager;
+}
+
 namespace QmlJSEditor {
 
 class ModelManagerInterface;
@@ -46,6 +54,7 @@ namespace Internal {
 class QmlJSEditorFactory;
 class CodeCompletion;
 class QmlJSTextEditor;
+class QmlJSPreviewRunner;
 
 class QmlJSEditorPlugin : public ExtensionSystem::IPlugin
 {
@@ -67,9 +76,18 @@ public:
 public Q_SLOTS:
     void followSymbolUnderCursor();
 
+private Q_SLOTS:
+    void openPreview();
+
 private:
+    Core::Command *addToolAction(QAction *a, Core::ActionManager *am, const QList<int> &context, const QString &name,
+                                 Core::ActionContainer *c1, const QString &keySequence);
+
     static QmlJSEditorPlugin *m_instance;
 
+    QAction *m_actionPreview;
+    QmlJSPreviewRunner *m_previewRunner;
+
     ModelManagerInterface *m_modelManager;
     QmlFileWizard *m_wizard;
     QmlJSEditorFactory *m_editor;