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, 87 insertions, 0 deletions

diff --git a/src/plugins/modeleditor/diagramsviewmanager.cpp b/src/plugins/modeleditor/diagramsviewmanager.cpp
new file mode 100644
index 0000000000..f844ef2006
--- /dev/null
+++ b/src/plugins/modeleditor/diagramsviewmanager.cpp
@@ -0,0 +1,87 @@
+/***************************************************************************
+**
+** 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 "diagramsviewmanager.h"
+
+#include "abstracteditor.h"
+
+#include <coreplugin/editormanager/editormanager.h>
+#include <utils/qtcassert.h>
+
+#include <QDebug>
+
+namespace ModelEditor {
+namespace Internal {
+
+// TODO eliminate this class - realize interface in class ModelsManager.
+
+DiagramsViewManager::DiagramsViewManager(QObject *parent)
+    : QObject(parent)
+{
+    // TODO connect to EditorManager if active editor changed;
+    // then emit currentDiagramChanged eventually
+}
+
+qmt::MDiagram *DiagramsViewManager::getCurrentDiagram() const
+{
+    // TODO currentEditor() is not good enough in case of split editors
+    // (drag&drop can be done in non-current editor but expects current diagram != 0)
+    Core::IEditor *editor = Core::EditorManager::currentEditor();
+    auto abstractEditor = dynamic_cast<AbstractEditor *>(editor);
+    if (!abstractEditor)
+        return 0;
+    return abstractEditor->editorDiagram();
+}
+
+void DiagramsViewManager::openDiagram(qmt::MDiagram *diagram)
+{
+    emit openEditor(diagram);
+}
+
+void DiagramsViewManager::closeDiagram(const qmt::MDiagram *diagram)
+{
+    emit closeEditor(diagram);
+}
+
+void DiagramsViewManager::closeAllDiagrams()
+{
+    // should never be called in this realization
+    QTC_CHECK(false);
+}
+
+void DiagramsViewManager::onDiagramRenamed(const qmt::MDiagram *diagram)
+{
+    emit diagramRenamed(diagram);
+}
+
+} // namespace Internal
+} // namespace ModelEditor
+
+