ModelEditor: Remove code duplication in action handler

Change-Id: I7d4beff0c0408c0ef8655953434c9d324fb452cc Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>
2018-01-31 13:15:45 +01:00
parent ebc975e4a4
commit 9c68afa08c
4 changed files with 41 additions and 129 deletions
--- a/src/plugins/modeleditor/actionhandler.cpp
+++ b/src/plugins/modeleditor/actionhandler.cpp
@@ -136,22 +136,22 @@ void ActionHandler::createActions()
 {
    Core::ActionContainer *medit = Core::ActionManager::actionContainer(Core::Constants::M_EDIT);

-    d->undoAction = registerCommand(Core::Constants::UNDO, [this]() { undo(); }, d->context)->action();
-    d->redoAction = registerCommand(Core::Constants::REDO, [this]() { redo(); }, d->context)->action();
-    d->cutAction = registerCommand(Core::Constants::CUT, [this]() { cut(); }, d->context)->action();
-    d->copyAction = registerCommand(Core::Constants::COPY, [this]() { copy(); }, d->context)->action();
-    d->pasteAction = registerCommand(Core::Constants::PASTE, [this]() { paste(); }, d->context)->action();
+    d->undoAction = registerCommand(Core::Constants::UNDO, &ModelEditor::undo, d->context)->action();
+    d->redoAction = registerCommand(Core::Constants::REDO, &ModelEditor::redo, d->context)->action();
+    d->cutAction = registerCommand(Core::Constants::CUT, &ModelEditor::cut, d->context)->action();
+    d->copyAction = registerCommand(Core::Constants::COPY, &ModelEditor::copy, d->context)->action();
+    d->pasteAction = registerCommand(Core::Constants::PASTE, &ModelEditor::paste, d->context)->action();
    Core::Command *removeCommand = registerCommand(
-                Constants::REMOVE_SELECTED_ELEMENTS, [this]() { removeSelectedElements(); }, d->context, true,
+                Constants::REMOVE_SELECTED_ELEMENTS, &ModelEditor::removeSelectedElements, d->context, true,
                tr("&Remove"), QKeySequence::Delete);
    medit->addAction(removeCommand, Core::Constants::G_EDIT_COPYPASTE);
    d->removeAction = removeCommand->action();
    Core::Command *deleteCommand = registerCommand(
-                Constants::DELETE_SELECTED_ELEMENTS, [this]() { deleteSelectedElements(); }, d->context, true,
+                Constants::DELETE_SELECTED_ELEMENTS, &ModelEditor::deleteSelectedElements, d->context, true,
                tr("&Delete"), QKeySequence("Ctrl+D"));
    medit->addAction(deleteCommand, Core::Constants::G_EDIT_COPYPASTE);
    d->deleteAction = deleteCommand->action();
-    d->selectAllAction = registerCommand(Core::Constants::SELECTALL, [this]() { selectAll(); }, d->context)->action();
+    d->selectAllAction = registerCommand(Core::Constants::SELECTALL, &ModelEditor::selectAll, d->context)->action();

    Core::ActionContainer *menuModelEditor = Core::ActionManager::createMenu(Constants::MENU_ID);
    menuModelEditor->menu()->setTitle(tr("Model Editor"));
@@ -159,13 +159,13 @@ void ActionHandler::createActions()
    menuTools->addMenu(menuModelEditor);

    Core::Command *exportDiagramCommand = registerCommand(
-                Constants::EXPORT_DIAGRAM, [this]() { exportDiagram(); }, d->context, true,
+                Constants::EXPORT_DIAGRAM, &ModelEditor::exportDiagram, d->context, true,
                tr("Export Diagram..."));
    menuModelEditor->addAction(exportDiagramCommand);
    d->exportDiagramAction = exportDiagramCommand->action();

    Core::Command *exportSelectedElementsCommand = registerCommand(
-                Constants::EXPORT_SELECTED_ELEMENTS, [this]() { exportSelectedElements(); }, d->context, true,
+                Constants::EXPORT_SELECTED_ELEMENTS, &ModelEditor::exportSelectedElements, d->context, true,
                tr("Export Selected Elements..."));
    menuModelEditor->addAction(exportSelectedElementsCommand);
    d->exportSelectedElementsAction = exportSelectedElementsCommand->action();
@@ -173,22 +173,22 @@ void ActionHandler::createActions()
    menuModelEditor->addSeparator(d->context);

    Core::Command *zoomInCommand = registerCommand(
-                Constants::ZOOM_IN, [this]() { zoomIn(); }, d->context, true,
+                Constants::ZOOM_IN, &ModelEditor::zoomIn, d->context, true,
                tr("Zoom In"), QKeySequence("Ctrl++"));
    menuModelEditor->addAction(zoomInCommand);

    Core::Command *zoomOutCommand = registerCommand(
-                Constants::ZOOM_OUT, [this]() { zoomOut(); }, d->context, true,
+                Constants::ZOOM_OUT, &ModelEditor::zoomOut, d->context, true,
                tr("Zoom Out"), QKeySequence("Ctrl+-"));
    menuModelEditor->addAction(zoomOutCommand);

    Core::Command *resetZoomCommand = registerCommand(
-                Constants::RESET_ZOOM, [this]() { resetZoom(); }, d->context, true,
+                Constants::RESET_ZOOM, &ModelEditor::resetZoom, d->context, true,
                tr("Reset Zoom"), QKeySequence("Ctrl+0"));
    menuModelEditor->addAction(resetZoomCommand);

    d->openParentDiagramAction = registerCommand(
-                Constants::OPEN_PARENT_DIAGRAM, [this]() { openParentDiagram(); }, Core::Context(), true,
+                Constants::OPEN_PARENT_DIAGRAM, &ModelEditor::openParentDiagram, Core::Context(), true,
                tr("Open Parent Diagram"), QKeySequence("Ctrl+Shift+P"))->action();
    d->openParentDiagramAction->setIcon(QIcon(":/modeleditor/up.png"));
    registerCommand(Constants::ACTION_ADD_PACKAGE, nullptr, Core::Context(), true, tr("Add Package"));
@@ -215,69 +215,6 @@ void ActionHandler::createActions()
    connect(editItemAction, &QAction::triggered, this, &ActionHandler::onEditItem);
 }

-void ActionHandler::undo()
-{
-    auto editor = qobject_cast<ModelEditor *>(Core::EditorManager::currentEditor());
-    if (editor)
-        editor->undo();
-}
-
-void ActionHandler::redo()
-{
-    auto editor = qobject_cast<ModelEditor *>(Core::EditorManager::currentEditor());
-    if (editor)
-        editor->redo();
-}
-
-void ActionHandler::cut()
-{
-    auto editor = qobject_cast<ModelEditor *>(Core::EditorManager::currentEditor());
-    if (editor)
-        editor->cut();
-}
-
-void ActionHandler::copy()
-{
-    auto editor = qobject_cast<ModelEditor *>(Core::EditorManager::currentEditor());
-    if (editor)
-        editor->copy();
-}
-
-void ActionHandler::paste()
-{
-    auto editor = qobject_cast<ModelEditor *>(Core::EditorManager::currentEditor());
-    if (editor)
-        editor->paste();
-}
-
-void ActionHandler::removeSelectedElements()
-{
-    auto editor = qobject_cast<ModelEditor *>(Core::EditorManager::currentEditor());
-    if (editor)
-        editor->removeSelectedElements();
-}
-
-void ActionHandler::deleteSelectedElements()
-{
-    auto editor = qobject_cast<ModelEditor *>(Core::EditorManager::currentEditor());
-    if (editor)
-        editor->deleteSelectedElements();
-}
-
-void ActionHandler::selectAll()
-{
-    auto editor = qobject_cast<ModelEditor *>(Core::EditorManager::currentEditor());
-    if (editor)
-        editor->selectAll();
-}
-
-void ActionHandler::openParentDiagram()
-{
-    auto editor = dynamic_cast<ModelEditor *>(Core::EditorManager::currentEditor());
-    if (editor)
-        editor->openParentDiagram();
-}
-
 void ActionHandler::onEditProperties()
 {
    auto editor = qobject_cast<ModelEditor *>(Core::EditorManager::currentEditor());
@@ -292,42 +229,16 @@ void ActionHandler::onEditItem()
        editor->editSelectedItem();
 }

-void ActionHandler::exportDiagram()
+std::function<void()> invokeOnCurrentModelEditor(void (ModelEditor::*function)())
 {
+    return [function] {
        auto editor = qobject_cast<ModelEditor *>(Core::EditorManager::currentEditor());
        if (editor)
-        editor->exportDiagram(false);
+            (editor->*function)();
+    };
 }

-void ActionHandler::exportSelectedElements()
-{
-    auto editor = qobject_cast<ModelEditor *>(Core::EditorManager::currentEditor());
-    if (editor)
-        editor->exportDiagram(true);
-}
-
-void ActionHandler::zoomIn()
-{
-    auto editor = qobject_cast<ModelEditor *>(Core::EditorManager::currentEditor());
-    if (editor)
-        editor->zoomIn();
-}
-
-void ActionHandler::zoomOut()
-{
-    auto editor = qobject_cast<ModelEditor *>(Core::EditorManager::currentEditor());
-    if (editor)
-        editor->zoomOut();
-}
-
-void ActionHandler::resetZoom()
-{
-    auto editor = qobject_cast<ModelEditor *>(Core::EditorManager::currentEditor());
-    if (editor)
-        editor->resetZoom();
-}
-
-Core::Command *ActionHandler::registerCommand(const Core::Id &id, const std::function<void()> &slot,
+Core::Command *ActionHandler::registerCommand(const Core::Id &id, void (ModelEditor::*function)(),
                                              const Core::Context &context, bool scriptable, const QString &title,
                                              const QKeySequence &keySequence)
 {
@@ -335,8 +246,8 @@ Core::Command *ActionHandler::registerCommand(const Core::Id &id, const std::fun
    Core::Command *command = Core::ActionManager::registerAction(action, id, context, scriptable);
    if (!keySequence.isEmpty())
        command->setDefaultKeySequence(keySequence);
-    if (slot)
-        connect(action, &QAction::triggered, this, slot);
+    if (function)
+        connect(action, &QAction::triggered, this, invokeOnCurrentModelEditor(function));
    return command;
 }

--- a/src/plugins/modeleditor/actionhandler.h
+++ b/src/plugins/modeleditor/actionhandler.h
@@ -43,6 +43,8 @@ class Command;
 namespace ModelEditor {
 namespace Internal {

+class ModelEditor;
+
 class ActionHandler :
        public QObject
 {
@@ -73,24 +75,10 @@ public:
    void createActions();

 private:
-    void undo();
-    void redo();
-    void cut();
-    void copy();
-    void paste();
-    void removeSelectedElements();
-    void deleteSelectedElements();
-    void selectAll();
-    void openParentDiagram();
    void onEditProperties();
    void onEditItem();
-    void exportDiagram();
-    void exportSelectedElements();
-    void zoomIn();
-    void zoomOut();
-    void resetZoom();

-    Core::Command *registerCommand(const Core::Id &id, const std::function<void()> &slot,
+    Core::Command *registerCommand(const Core::Id &id, void (ModelEditor::*function)(),
                                   const Core::Context &context,
                                   bool scriptable = true, const QString &title = QString(),
                                   const QKeySequence &keySequence = QKeySequence());
--- a/src/plugins/modeleditor/modeleditor.cpp
+++ b/src/plugins/modeleditor/modeleditor.cpp
@@ -569,7 +569,17 @@ void ModelEditor::editSelectedItem()
    onEditSelectedElement();
 }

-void ModelEditor::exportDiagram(bool selectedElements)
+void ModelEditor::exportDiagram()
+{
+    exportToImage(/*selectedElements=*/false);
+}
+
+void ModelEditor::exportSelectedElements()
+{
+    exportToImage(/*selectedElements=*/true);
+}
+
+void ModelEditor::exportToImage(bool selectedElements)
 {
    qmt::MDiagram *diagram = currentDiagram();
    if (diagram) {
--- a/src/plugins/modeleditor/modeleditor.h
+++ b/src/plugins/modeleditor/modeleditor.h
@@ -87,7 +87,8 @@ public:
    void openParentDiagram();
    void editProperties();
    void editSelectedItem();
-    void exportDiagram(bool selectedElements);
+    void exportDiagram();
+    void exportSelectedElements();
    void zoomIn();
    void zoomOut();
    void resetZoom();
@@ -158,6 +159,8 @@ private:
    void synchronizeDiagramWithBrowser();
    void synchronizeBrowserWithDiagram(const qmt::MDiagram *diagram);

+    void exportToImage(bool selectedElements);
+
 private:
    ModelEditorPrivate *d;
 };