sceneElement.hh

/*===========================================================================*\
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*                              OpenFlipper                                   *
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\*===========================================================================*/
 
 
 
#ifndef VSI_SCENEELEMENT_HH
#define VSI_SCENEELEMENT_HH
 
//== INCLUDES =================================================================
#include <QGraphicsWidget>
#include <QString>
#include <QDomDocument>
#include <QDomElement>
 
//== FORWARDDECLARATIONS ======================================================
class QGraphicsLinearLayout;
 
//== NAMESPACES ===============================================================
namespace VSI {
 
//== FORWARDDECLARATIONS ======================================================
class GraphicsScene;
class ElementInput;
class ElementOutput;
class ElementFunction;
 
class Element;
class Text;
 
//== CLASS DEFINITION =========================================================
 
class SceneElement : public QGraphicsWidget
{
  Q_OBJECT
 
  public:
    SceneElement (GraphicsScene *_scene, Element *_element);
 
    ~SceneElement ();
 
    void paint (QPainter *_painter, const QStyleOptionGraphicsItem *_option, QWidget *_widget = 0);
 
    Element *element () const { return element_; };
 
    QVector<ElementInput *> inputs () { return inputs_; };
 
    QVector<ElementOutput *> outputs () { return outputs_; };
 
    QVector<ElementFunction *> functions () { return functions_; };
 
    ElementInput *dataIn () { return dataIn_; };
 
    ElementOutput *dataOut () { return dataOut_; };
 
    void resetCodeGeneration ();
 
    void replaceCodeBlock (const QString& _name, const QString& _id, const QString& _value);
 
    QString variableId ();
 
    int id () { return id_; };
 
    QString code () { return code_; };
 
    bool isBefore (SceneElement *_e);
 
    bool isAfter (SceneElement *_e);
 
    void saveToXml (QDomDocument &_doc, QDomElement &_root);
 
    void loadFromXml (QDomElement& _domElement,std::vector<QString>& _connections);
 
    GraphicsScene *graphicsScene () { return scene_; };
 
  protected:
 
    // mouse handling for draging
    void mousePressEvent (QGraphicsSceneMouseEvent *_event);
    void mouseMoveEvent (QGraphicsSceneMouseEvent *_event);
    void mouseReleaseEvent (QGraphicsSceneMouseEvent *_event);
    void mouseDoubleClickEvent (QGraphicsSceneMouseEvent *_event);
 
    // handle movement
    void moveEvent (QGraphicsSceneMoveEvent *_event);
 
  private slots:
 
    // show input configuration dialog
    void showInputConfig ();
 
  private:
 
    // invalidate (reset) all connections of this element
    void invalidateConnections ();
 
  private:
 
    GraphicsScene *scene_;
    Element *element_;
 
    QVector<ElementInput *> inputs_;
    QVector<ElementOutput *> outputs_;
 
    ElementInput *dataIn_;
    ElementOutput *dataOut_;
 
    QVector<ElementFunction *> functions_;
 
    QVector<ElementInput *> configInputs_;
 
    QString code_;
 
    int id_;
 
    Text *name_;
    Text *elementName_;
    QGraphicsLinearLayout *nameLayout_;
};
 
//=============================================================================
}
//=============================================================================
 
#endif