QmlDesigner: Cleanup designer plugin for show/hide designer methods

Change-Id: I824ced5f1bf921d7336b3c4fe86ac37060129cd3
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>
Reviewed-by: Marco Bubke <marco.bubke@qt.io>

src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp

@@ -132,17 +132,21 @@ void CrumbleBarModel::onCrumblePathElementClicked(int i)
 
 WorkspaceModel::WorkspaceModel(QObject *)
 {
-    connect(designModeWidget(), &Internal::DesignModeWidget::initialized, this, [this]() {
+    auto connectDockManager = [this]() -> bool {
         const auto dockManager = designModeWidget()->dockManager();
+        if (!dockManager)
+            return false;
 
         connect(dockManager, &ADS::DockManager::workspaceListChanged, this, [this]() {
             beginResetModel();
             endResetModel();
         });
-
         beginResetModel();
         endResetModel();
-    });
+        return true;
+    };
+    if (!connectDockManager())
+        connect(designModeWidget(), &Internal::DesignModeWidget::initialized, this, connectDockManager);
 }
 
 int WorkspaceModel::rowCount(const QModelIndex &) const
@@ -288,19 +292,25 @@ ToolBarBackend::ToolBarBackend(QObject *parent)
             this,
             &ToolBarBackend::currentStyleChanged);
 
-    connect(designModeWidget(), &Internal::DesignModeWidget::initialized, this, [this]() {
+    auto connectDockManager = [this]() -> bool {
         const auto dockManager = designModeWidget()->dockManager();
+        if (!dockManager)
+            return false;
 
-        connect(dockManager, &ADS::DockManager::workspaceLoaded, this, [this](const QString &) {
-            emit currentWorkspaceChanged();
-        });
-
-        connect(dockManager, &ADS::DockManager::workspaceListChanged, this, [this]() {
-            emit currentWorkspaceChanged();
-        });
-
+        connect(dockManager,
+                &ADS::DockManager::workspaceLoaded,
+                this,
+                &ToolBarBackend::currentWorkspaceChanged);
+        connect(dockManager,
+                &ADS::DockManager::workspaceListChanged,
+                this,
+                &ToolBarBackend::currentWorkspaceChanged);
         emit currentWorkspaceChanged();
-    });
+        return true;
+    };
+
+    if (!connectDockManager())
+        connect(designModeWidget(), &Internal::DesignModeWidget::initialized, this, connectDockManager);
 
     auto editorManager = Core::EditorManager::instance();
 

src/plugins/qmldesigner/designmodewidget.cpp

@@ -595,11 +595,9 @@ void DesignModeWidget::initialize()
     if (m_initStatus == NotInitialized) {
         m_initStatus = Initializing;
         setup();
+        emit initialized();
     }
-
     m_initStatus = Initialized;
-
-    emit initialized();
 }
 
 } // namespace Internal

src/plugins/qmldesigner/qmldesignerplugin.cpp

@@ -420,6 +420,38 @@ void QmlDesignerPlugin::integrateIntoQtCreator(QWidget *modeWidget)
             });
 }
 
+void QmlDesignerPlugin::clearDesigner()
+{
+    if (d->documentManager.hasCurrentDesignDocument()) {
+        deactivateAutoSynchronization();
+        d->mainWidget.saveSettings();
+    }
+}
+
+void QmlDesignerPlugin::resetDesignerDocument()
+{
+    d->shortCutManager.disconnectUndoActions(currentDesignDocument());
+    d->documentManager.setCurrentDesignDocument(nullptr);
+    d->shortCutManager.updateActions(nullptr);
+    d->shortCutManager.updateUndoActions(nullptr);
+}
+
+void QmlDesignerPlugin::setupDesigner()
+{
+    d->shortCutManager.disconnectUndoActions(currentDesignDocument());
+    d->documentManager.setCurrentDesignDocument(Core::EditorManager::currentEditor());
+    d->shortCutManager.connectUndoActions(currentDesignDocument());
+
+    if (d->documentManager.hasCurrentDesignDocument()) {
+        activateAutoSynchronization();
+        d->shortCutManager.updateActions(currentDesignDocument()->textEditor());
+        d->viewManager.pushFileOnCrumbleBar(currentDesignDocument()->fileName());
+        d->viewManager.setComponentViewToMaster();
+    }
+
+    d->shortCutManager.updateUndoActions(currentDesignDocument());
+}
+
 void QmlDesignerPlugin::showDesigner()
 {
     QTC_ASSERT(!d->documentManager.hasCurrentDesignDocument(), return);
@@ -430,7 +462,8 @@ void QmlDesignerPlugin::showDesigner()
 
     const Utils::FilePath fileName = Core::EditorManager::currentEditor()->document()->filePath();
     const QStringList allUiQmlFiles = allUiQmlFilesforCurrentProject(fileName);
-    if (warningsForQmlFilesInsteadOfUiQmlEnabled() && !fileName.endsWith(".ui.qml") && !allUiQmlFiles.isEmpty()) {
+    if (warningsForQmlFilesInsteadOfUiQmlEnabled() && !fileName.endsWith(".ui.qml")
+        && !allUiQmlFiles.isEmpty()) {
         OpenUiQmlFileDialog dialog(&d->mainWidget);
         dialog.setUiQmlFiles(projectPath(fileName), allUiQmlFiles);
         dialog.exec();
@@ -442,56 +475,25 @@ void QmlDesignerPlugin::showDesigner()
         }
     }
 
-    d->shortCutManager.disconnectUndoActions(currentDesignDocument());
-    d->documentManager.setCurrentDesignDocument(Core::EditorManager::currentEditor());
-    d->shortCutManager.connectUndoActions(currentDesignDocument());
-
-    if (d->documentManager.hasCurrentDesignDocument()) {
-        activateAutoSynchronization();
-        d->shortCutManager.updateActions(currentDesignDocument()->textEditor());
-        d->viewManager.pushFileOnCrumbleBar(currentDesignDocument()->fileName());
-    }
-
-    d->shortCutManager.updateUndoActions(currentDesignDocument());
+    setupDesigner();
 
     m_usageTimer.restart();
 }
 
 void QmlDesignerPlugin::hideDesigner()
 {
-    if (d->documentManager.hasCurrentDesignDocument()) {
-        deactivateAutoSynchronization();
-        d->mainWidget.saveSettings();
-    }
-
-    d->shortCutManager.disconnectUndoActions(currentDesignDocument());
-    d->documentManager.setCurrentDesignDocument(nullptr);
-    d->shortCutManager.updateUndoActions(nullptr);
+    clearDesigner();
+    resetDesignerDocument();
     emitUsageStatisticsTime(Constants::EVENT_DESIGNMODE_TIME, m_usageTimer.elapsed());
 }
 
 void QmlDesignerPlugin::changeEditor()
 {
     if (d->blockEditorChange)
-         return;
+        return;
 
-    if (d->documentManager.hasCurrentDesignDocument()) {
-        deactivateAutoSynchronization();
-        d->mainWidget.saveSettings();
-    }
-
-    d->shortCutManager.disconnectUndoActions(currentDesignDocument());
-    d->documentManager.setCurrentDesignDocument(Core::EditorManager::currentEditor());
-    d->mainWidget.initialize();
-    d->shortCutManager.connectUndoActions(currentDesignDocument());
-
-    if (d->documentManager.hasCurrentDesignDocument()) {
-        activateAutoSynchronization();
-        d->viewManager.pushFileOnCrumbleBar(currentDesignDocument()->fileName());
-        d->viewManager.setComponentViewToMaster();
-    }
-
-    d->shortCutManager.updateUndoActions(currentDesignDocument());
+    clearDesigner();
+    setupDesigner();
 }
 
 void QmlDesignerPlugin::jumpTextCursorToSelectedModelNode()

src/plugins/qmldesigner/qmldesignerplugin.h

@@ -105,6 +105,9 @@ private slots:
 private: // functions
     void lauchFeedbackPopupInternal(const QString &identifier);
     void integrateIntoQtCreator(QWidget *modeWidget);
+    void clearDesigner();
+    void resetDesignerDocument();
+    void setupDesigner();
     void showDesigner();
     void hideDesigner();
     void changeEditor();