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44 #include <QUndoCommand>
46 #include "diagramitem.h"
49 class MoveCommand : public QUndoCommand
54 MoveCommand(DiagramItem *diagramItem, const QPointF &oldPos,
55 QUndoCommand *parent = 0);
59 bool mergeWith(const QUndoCommand *command);
60 int id() const { return Id; }
63 DiagramItem *myDiagramItem;
70 class DeleteCommand : public QUndoCommand
73 explicit DeleteCommand(QGraphicsScene *graphicsScene, QUndoCommand *parent = 0);
79 DiagramItem *myDiagramItem;
80 QGraphicsScene *myGraphicsScene;
85 class AddCommand : public QUndoCommand
88 AddCommand(DiagramItem::DiagramType addType, QGraphicsScene *graphicsScene,
89 QUndoCommand *parent = 0);
96 DiagramItem *myDiagramItem;
97 QGraphicsScene *myGraphicsScene;
98 QPointF initialPosition;
102 QString createCommandString(DiagramItem *item, const QPointF &point);