Add new ModelEditor plugin.

The plugin is based on the 'modelinglib' library. For features and
screenshots see https://wiki.qt.io/ModelEditor

Change-Id: I857be0652a852cc69a9729f64e67134fe630af00
Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>

1 files changed, 225 insertions, 0 deletions

diff --git a/src/plugins/modeleditor/actionhandler.cpp b/src/plugins/modeleditor/actionhandler.cpp
new file mode 100644
index 0000000000..5554a8b3c1
--- /dev/null
+++ b/src/plugins/modeleditor/actionhandler.cpp
@@ -0,0 +1,225 @@
+/***************************************************************************
+**
+** Copyright (C) 2015 Jochen Becher
+** Contact: http://www.qt.io/licensing
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company.  For licensing terms and
+** conditions see http://www.qt.io/terms-conditions.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, The Qt Company gives you certain additional
+** rights.  These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "actionhandler.h"
+
+#include "modeleditor_constants.h"
+#include "abstracteditor.h"
+
+#include <coreplugin/coreconstants.h>
+#include <coreplugin/actionmanager/actionmanager.h>
+#include <coreplugin/actionmanager/actioncontainer.h>
+#include <coreplugin/editormanager/editormanager.h>
+#include <coreplugin/icore.h>
+
+#include <QAction>
+#include <QShortcut>
+
+namespace ModelEditor {
+namespace Internal {
+
+class ActionHandler::ActionHandlerPrivate {
+public:
+    Core::Context context;
+    QAction *undoAction = 0;
+    QAction *redoAction = 0;
+    QAction *cutAction = 0;
+    QAction *copyAction = 0;
+    QAction *pasteAction = 0;
+    QAction *removeAction = 0;
+    QAction *deleteAction = 0;
+    QAction *selectAllAction = 0;
+};
+
+ActionHandler::ActionHandler(const Core::Context &context, QObject *parent)
+    : QObject(parent),
+      d(new ActionHandlerPrivate)
+{
+    d->context = context;
+}
+
+ActionHandler::~ActionHandler()
+{
+    delete d;
+}
+
+QAction *ActionHandler::undoAction() const
+{
+    return d->undoAction;
+}
+
+QAction *ActionHandler::redoAction() const
+{
+    return d->redoAction;
+}
+
+QAction *ActionHandler::cutAction() const
+{
+    return d->cutAction;
+}
+
+QAction *ActionHandler::copyAction() const
+{
+    return d->copyAction;
+}
+
+QAction *ActionHandler::pasteAction() const
+{
+    return d->pasteAction;
+}
+
+QAction *ActionHandler::removeAction() const
+{
+    return d->removeAction;
+}
+
+QAction *ActionHandler::deleteAction() const
+{
+    return d->deleteAction;
+}
+
+QAction *ActionHandler::selectAllAction() const
+{
+    return d->selectAllAction;
+}
+
+void ActionHandler::createActions()
+{
+    Core::ActionContainer *medit = Core::ActionManager::actionContainer(Core::Constants::M_EDIT);
+
+    d->undoAction = registerCommand(Core::Constants::UNDO, [this]() { undo(); })->action();
+    d->redoAction = registerCommand(Core::Constants::REDO, [this]() { redo(); })->action();
+    d->cutAction = registerCommand(Core::Constants::CUT, [this]() { cut(); })->action();
+    d->copyAction = registerCommand(Core::Constants::COPY, [this]() { copy(); })->action();
+    d->pasteAction = registerCommand(Core::Constants::PASTE, [this]() { paste(); })->action();
+    Core::Command *removeCommand = registerCommand(
+                Constants::REMOVE_SELECTED_ELEMENTS, [this]() { removeSelectedElements(); }, 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(); }, true,
+                tr("&Delete"), QKeySequence(QStringLiteral("Ctrl+D")));
+    medit->addAction(deleteCommand, Core::Constants::G_EDIT_COPYPASTE);
+    d->deleteAction = deleteCommand->action();
+    d->selectAllAction = registerCommand(Core::Constants::SELECTALL, [this]() { selectAll(); })->action();
+    registerCommand(Constants::ACTION_ADD_PACKAGE, 0);
+    registerCommand(Constants::ACTION_ADD_COMPONENT, 0);
+    registerCommand(Constants::ACTION_ADD_CLASS, 0);
+    registerCommand(Constants::ACTION_ADD_CANVAS_DIAGRAM, 0);
+}
+
+void ActionHandler::createEditPropertiesShortcut(const Core::Id &shortcutId)
+{
+    auto editAction = new QAction(tr("Edit selected element in properties view"), Core::ICore::mainWindow());
+    Core::Command *editCommand = Core::ActionManager::registerAction(
+                editAction, shortcutId, d->context);
+    editCommand->setDefaultKeySequence(QKeySequence(tr("F2")));
+    connect(editAction, &QAction::triggered, this, &ActionHandler::onEditProperties);
+}
+
+void ActionHandler::undo()
+{
+    auto editor = dynamic_cast<AbstractEditor *>(Core::EditorManager::currentEditor());
+    if (editor)
+        editor->undo();
+}
+
+void ActionHandler::redo()
+{
+    auto editor = dynamic_cast<AbstractEditor *>(Core::EditorManager::currentEditor());
+    if (editor)
+        editor->redo();
+}
+
+void ActionHandler::cut()
+{
+    auto editor = dynamic_cast<AbstractEditor *>(Core::EditorManager::currentEditor());
+    if (editor)
+        editor->cut();
+}
+
+void ActionHandler::copy()
+{
+    auto editor = dynamic_cast<AbstractEditor *>(Core::EditorManager::currentEditor());
+    if (editor)
+        editor->copy();
+}
+
+void ActionHandler::paste()
+{
+    auto editor = dynamic_cast<AbstractEditor *>(Core::EditorManager::currentEditor());
+    if (editor)
+        editor->paste();
+}
+
+void ActionHandler::removeSelectedElements()
+{
+    auto editor = dynamic_cast<AbstractEditor *>(Core::EditorManager::currentEditor());
+    if (editor)
+        editor->removeSelectedElements();
+}
+
+void ActionHandler::deleteSelectedElements()
+{
+    auto editor = dynamic_cast<AbstractEditor *>(Core::EditorManager::currentEditor());
+    if (editor)
+        editor->deleteSelectedElements();
+}
+
+void ActionHandler::selectAll()
+{
+    auto editor = dynamic_cast<AbstractEditor *>(Core::EditorManager::currentEditor());
+    if (editor)
+        editor->selectAll();
+}
+
+void ActionHandler::onEditProperties()
+{
+    auto editor = dynamic_cast<AbstractEditor *>(Core::EditorManager::currentEditor());
+    if (editor)
+        editor->editProperties();
+}
+
+Core::Command *ActionHandler::registerCommand(const Core::Id &id, const std::function<void()> &slot,
+                                              bool scriptable, const QString &title,
+                                              const QKeySequence &keySequence)
+{
+    auto action = new QAction(title, this);
+    Core::Command *command = Core::ActionManager::registerAction(action, id, d->context, scriptable);
+    if (!keySequence.isEmpty())
+        command->setDefaultKeySequence(keySequence);
+    if (slot)
+        connect(action, &QAction::triggered, this, slot);
+    return command;
+}
+
+} // namespace Internal
+} // namespace ModelEditor