Root/Software/sie_cg/block_editor/diagramscene.h

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41
42#ifndef DIAGRAMSCENE_H
43#define DIAGRAMSCENE_H
44
45#include <QGraphicsScene>
46#include <QDesktopServices>
47#include <QtXml>
48#include "diagramtextitem.h"
49#include "arrow.h"
50#include "mainwindow.h"
51
52QT_BEGIN_NAMESPACE
53class QGraphicsSceneMouseEvent;
54class QMenu;
55class QPointF;
56class QGraphicsLineItem;
57class QFont;
58class QGraphicsTextItem;
59class QColor;
60class QStatusBar;
61QT_END_NAMESPACE
62class MainWindow;
63class Arrow;
64class DiagramTextItem;
65
66class DiagramScene : public QGraphicsScene
67{
68    Q_OBJECT
69
70public:
71    enum Mode { MoveItem , EditPolygon, InsertText };
72
73    DiagramScene(QMenu *itemMenu, MainWindow *ownerWindow, QObject *parent=0);
74
75    QDomDocument toXmlFormat();
76    int fromXmlFormat(QDomDocument xmlDocument);
77    void cleanScene();
78    void setTextType(int type,QString text){myTextType=type;myTypeString=text;}
79    void resetMyPolygon(){myPolygonPath=0;}
80
81    QHash<int,DiagramTextItem*> getTextItemsByID;
82
83    int addTextItem(DiagramTextItem * textItem);
84    void removeTextItem(DiagramTextItem * textItem);
85
86    Arrow *myPolygonPath;
87
88    QString createPrototype();
89
90public slots:
91    void setMode(Mode mode){myMode=mode;}
92
93signals:
94    void textInserted(QGraphicsTextItem *item);
95
96protected:
97    void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent);
98    void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent);
99    void mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent);
100    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
101    void drawBackground(QPainter *p, const QRectF &r);
102
103private:
104    bool isItemChange(int type);
105    void doSnapToGrid(QGraphicsSceneMouseEvent *mouseEvent);
106    QMenu *myItemMenu;
107    Mode myMode;
108    int myTextType;
109    QString myTypeString;
110    bool leftButtonDown;
111    QPointF startPoint;
112    QGraphicsLineItem *line;
113    QFont myFont;
114    DiagramTextItem *textItem;
115    DiagramTextItem *TitleText;
116    QColor myTextColor;
117    QColor myItemColor;
118    QColor myLineColor;
119    bool snapToGrid;
120    short int myGrid;
121    int myCorners;
122    QHash<int,DiagramTextItem*> textItemsByID;
123    MainWindow *myOwnerWindow;
124};
125
126#endif
127

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