KD Chart 2  [rev.2.6]
kdganttabstractgrid.h
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22 
23 #ifndef KDGANTTABSTRACTGRID_H
24 #define KDGANTTABSTRACTGRID_H
25 
26 #include "kdganttglobal.h"
27 #include "kdganttconstraint.h"
28 
29 QT_BEGIN_NAMESPACE
30 class QPainter;
31 class QRectF;
32 class QAbstractItemModel;
33 class QModelIndex;
34 QT_END_NAMESPACE
35 
36 namespace KDGantt {
38  class Span;
39 
40  class KDGANTT_EXPORT AbstractGrid : public QObject {
41  Q_OBJECT
43  friend class GraphicsScene;
44  public:
45 
46  AbstractGrid(QObject* parent = 0);
47  virtual ~AbstractGrid();
48 
49  QAbstractItemModel* model() const;
50  QModelIndex rootIndex() const;
51 
52  virtual Span mapToChart( const QModelIndex& idx ) const = 0;
53  virtual bool mapFromChart( const Span& span, const QModelIndex& idx,
54  const QList<Constraint>& constraints=QList<Constraint>() ) const = 0;
55  virtual qreal mapToChart( const QVariant &value ) const;
56  virtual QVariant mapFromChart( qreal x ) const;
57  bool isSatisfiedConstraint( const Constraint& c ) const;
58 
59  virtual void paintGrid( QPainter* painter, const QRectF& sceneRect, const QRectF& exposedRect,
60  AbstractRowController* rowController = 0, QWidget* widget=0 ) = 0;
61  virtual void paintHeader( QPainter* painter, const QRectF& headerRect, const QRectF& exposedRect,
62  qreal offset, QWidget* widget=0 ) = 0;
63 
64  public Q_SLOTS:
65  /*internal*/ virtual void setModel( QAbstractItemModel* model );
66  /*internal*/ virtual void setRootIndex( const QModelIndex& idx );
67  Q_SIGNALS:
68  void gridChanged();
69 
70  protected:
71  virtual void drawBackground(QPainter* paint, const QRectF& rect);
72  virtual void drawForeground(QPainter* paint, const QRectF& rect);
73  };
74 }
75 
76 #endif /* KDGANTTABSTRACTGRID_H */
#define KDGANTT_DECLARE_PRIVATE_BASE_POLYMORPHIC(X)
Abstract baseclass for grids. A grid is used to convert between QModelIndex&#39;es and gantt chart values...
A class used to represent a dependency.
A class representing a start point and a length.
Class only listed here to document inheritance of some KDChart classes.
Class only listed here to document inheritance of some KDChart classes.
Abstract baseclass for row controllers. A row controller is used by the GraphicsView to nagivate the ...

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