QtSceneGraphWidget.hh

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//=============================================================================
//
//  CLASS QtSceneGraphWidget
//
//=============================================================================
 
 
#ifndef ACG_QTSCENEGRAPHWIDGET_HH
#define ACG_QTSCENEGRAPHWIDGET_HH
 
 
//== INCLUDES =================================================================
 
#include <ACG/Config/ACGDefines.hh>
#include <ACG/Scenegraph/BaseNode.hh>
#include <QDialog>
#include <QKeyEvent>
#include <QMenu>
#include <QTreeWidget>
#include <QMap>
 
 
//== FORWARDDECLARATIONS ======================================================
 
 
 
//== NAMESPACES ===============================================================
 
 
namespace ACG {
namespace QtWidgets {
 
 
//== CLASS DEFINITION =========================================================
 
class ACGDLLEXPORT SceneGraphWidgetGenerator {
 
public:
  // constructor
  SceneGraphWidgetGenerator();
 
  // destructor
  virtual ~SceneGraphWidgetGenerator() {}
 
  virtual QWidget* getWidget(SceneGraph::BaseNode* _node );
 
  virtual bool canHandle(std::string _className);
 
  virtual std::string handles();
 
  virtual QString contextMenuName();
 
protected:
 
  QMap< SceneGraph::BaseNode* , QWidget* > widgetMap_;
};
 
 
 
class ACGDLLEXPORT QtSceneGraphWidget : public QTreeWidget
{
  Q_OBJECT
 
public:
 
  QtSceneGraphWidget(QWidget* _parent = 0,
                     SceneGraph::BaseNode* _rootNode = 0);
 
 
  virtual ~QtSceneGraphWidget() {}
 
  enum Columns { Node, Type, Status, Mode };
 
 
  class Item : public QTreeWidgetItem
  {
  public:
    // root constructor
    Item(QTreeWidget* _parent,
         SceneGraph::BaseNode* _node);
 
    // child constructor
    Item(Item* _parent,
         SceneGraph::BaseNode* _node);
 
    // get node
    SceneGraph::BaseNode * node() { return node_; }
 
    // update text, etc.
    void update();
 
  private:
    SceneGraph::BaseNode*  node_;
  };
 
 
 
public slots:
 
  void update( ACG::SceneGraph::BaseNode* _rootNode );
 
 
signals:
 
  void signalNodeChanged(ACG::SceneGraph::BaseNode* _node);
 
 
private slots:
 
  void slotItemPressed( QTreeWidgetItem * _item,
                        int            _col );
 
  void slotItemExpandedOrCollapsed( QTreeWidgetItem * _item );
 
  void slotNodeChanged( ACG::SceneGraph::BaseNode * _node );
 
  void slotModeMenu  ( QAction * _action );
  void slotStatusMenu( QAction * _action );
 
  void slotEditMaterial();
  void slotEditTexture();
  void slotEditShader();
  void slotEditClipPlanes();
  void slotEditCoordinateFrame();
 
 
 
private:
 
  QtSceneGraphWidget( const QtSceneGraphWidget & _rhs );
  QtSceneGraphWidget & operator=( const QtSceneGraphWidget & _rhs );
 
  void update( SceneGraph::BaseNode * _node, Item * _parent );
 
  void keyPressEvent(QKeyEvent* _event);
  void keyReleaseEvent(QKeyEvent* _event);
 
 
 
  SceneGraph::BaseNode * rootNode_;
 
  QMenu *                modeMenu_;
 
  Item  *                curItem_;
  bool                   shiftPressed_; // store shift for popup menu
 
  struct StatusActions {
    QMenu   * menu_;
    QAction * actionActive_;
    QAction * actionHideNode_;
    QAction * actionHideChildren_;
    QAction * actionHideSubtree_;
  } statusActions_;
  
  public slots:
  
    void expandAll();
 
    void updateAll();
 
  public: 
 
    bool addWidgetGenerator( SceneGraphWidgetGenerator* _generator );
 
    void setGeneratorMap( QMap< std::string , SceneGraphWidgetGenerator* > _map) { generatorMap_ = _map; }; 
 
  private:
    QMap< std::string , SceneGraphWidgetGenerator* > generatorMap_;
};
 
 
 
//== CLASS DEFINITION =========================================================
 
 
class ACGDLLEXPORT QtSceneGraphDialog : public QDialog
{
  Q_OBJECT
 
public:
 
  QtSceneGraphDialog( QWidget              * _parent = 0,
                      SceneGraph::BaseNode * _rootNode = 0 );
 
 
public slots:
 
  void update(ACG::SceneGraph::BaseNode* _rootNode);
 
 
signals:
 
  void signalNodeChanged(ACG::SceneGraph::BaseNode* _node);
 
 
private slots:
 
  void slotNodeChanged(ACG::SceneGraph::BaseNode* _node);
 
 
public:
  void setGeneratorMap( QMap< std::string , SceneGraphWidgetGenerator* > _map) { sgw_->setGeneratorMap(_map); }; 
 
private:
 
  QtSceneGraphWidget * sgw_;
 
};
 
 
//=============================================================================
} // namespace ACG
} // namespace QtWidgets
//=============================================================================
#endif // ACG_QTSCENEGRAPHWIDGET_HH defined
//=============================================================================