Add modeling library

Modeling library implements the entities, diagrams and widget Ui for
ModelEditor plugin and tools. This is a 3rdparty library not following
the QtCreator coding style.

Change-Id: I981e38a10fff1c1792f285d5837553aa7596cd2f
Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>

src/libs/3rdparty/modeling/qmt/document_controller/documentcontroller.h

@@ -0,0 +1,193 @@
+/***************************************************************************
+**
+** 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.
+**
+****************************************************************************/
+
+#ifndef QMT_DOCUMENTCONTROLLER_H
+#define QMT_DOCUMENTCONTROLLER_H
+
+#include <QObject>
+#include "qmt/infrastructure/qmt_global.h"
+
+namespace qmt {
+
+class ProjectController;
+class UndoController;
+class ModelController;
+class DiagramController;
+class DiagramSceneController;
+class StyleController;
+class StereotypeController;
+class ConfigController;
+class TreeModel;
+class SortedTreeModel;
+class DiagramsManager;
+class SceneInspector;
+class MPackage;
+class MClass;
+class MComponent;
+class MDiagram;
+class MCanvasDiagram;
+class MContainer;
+class DContainer;
+class MSelection;
+class MObject;
+
+
+class QMT_EXPORT DocumentController :
+        public QObject
+{
+    Q_OBJECT
+public:
+    explicit DocumentController(QObject *parent = 0);
+
+    ~DocumentController();
+
+signals:
+
+    void changed();
+
+    void modelClipboardChanged(bool is_empty);
+
+    void diagramClipboardChanged(bool is_empty);
+
+public:
+
+    ProjectController *getProjectController() const { return _project_controller; }
+
+    UndoController *getUndoController() const { return _undo_controller; }
+
+    ModelController *getModelController() const { return _model_controller; }
+
+    DiagramController *getDiagramController() const { return _diagram_controller; }
+
+    DiagramSceneController *getDiagramSceneController() const { return _diagram_scene_controller; }
+
+    StyleController *getStyleController() const { return _style_controller; }
+
+    StereotypeController *getStereotypeController() const { return _stereotype_controller; }
+
+    ConfigController *getConfigController() const { return _config_controller; }
+
+    TreeModel *getTreeModel() const { return _tree_model; }
+
+    SortedTreeModel *getSortedTreeModel() const { return _sorted_tree_model; }
+
+    DiagramsManager *getDiagramsManager() const { return _diagrams_manager; }
+
+    SceneInspector *getSceneInspector() const { return _scene_inspector; }
+
+public:
+
+    bool isModelClipboardEmpty() const;
+
+    bool isDiagramClipboardEmpty() const;
+
+    bool hasCurrentDiagramSelection() const;
+
+public:
+
+    void cutFromModel(const MSelection &selection);
+
+    Q_SLOT void cutFromCurrentDiagram();
+
+    void copyFromModel(const MSelection &selection);
+
+    Q_SLOT void copyFromCurrentDiagram();
+
+    Q_SLOT void copyCurrentDiagram();
+
+    void pasteIntoModel(MObject *model_object);
+
+    Q_SLOT void pasteIntoCurrentDiagram();
+
+    void deleteFromModel(const MSelection &selection);
+
+    Q_SLOT void deleteFromCurrentDiagram();
+
+    Q_SLOT void removeFromCurrentDiagram();
+
+    Q_SLOT void selectAllOnCurrentDiagram();
+
+public:
+
+    MPackage *createNewPackage(MPackage *);
+
+    MClass *createNewClass(MPackage *);
+
+    MComponent *createNewComponent(MPackage *);
+
+    MCanvasDiagram *createNewCanvasDiagram(MPackage *);
+
+public:
+
+    MDiagram *findRootDiagram();
+
+    MDiagram *findOrCreateRootDiagram();
+
+public:
+
+    void createNewProject(const QString &file_name);
+
+    void loadProject(const QString &file_name);
+
+private:
+
+    ProjectController *_project_controller;
+
+    UndoController *_undo_controller;
+
+    ModelController *_model_controller;
+
+    DiagramController *_diagram_controller;
+
+    DiagramSceneController *_diagram_scene_controller;
+
+    StyleController *_style_controller;
+
+    StereotypeController *_stereotype_controller;
+
+    ConfigController *_config_controller;
+
+    TreeModel *_tree_model;
+
+    SortedTreeModel *_sorted_tree_model;
+
+    DiagramsManager *_diagrams_manager;
+
+    SceneInspector *_scene_inspector;
+
+    QScopedPointer<MContainer> _model_clipboard;
+
+    QScopedPointer<DContainer> _diagram_clipboard;
+
+};
+
+}
+
+#endif // QMT_DOCUMENTCONTROLLER_H