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61 lines
1.6 KiB
61 lines
1.6 KiB
#ifndef NODE_H
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#define NODE_H
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#include <QGraphicsTextItem>
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#include "edge.h"
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#include "graphwidget.h"
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class GraphWidget;
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class Node : public QGraphicsTextItem
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{
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public:
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Node(GraphWidget *graphWidget = 0);
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~Node();
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void addEdge(Edge *edge, bool startsFromThisNode);
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void removeEdge(Edge *edge);
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void setBorder(const bool &hasBorder);
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void setActive(const bool &active = true);
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void showNumber(const int &number, const bool& show = true,
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const bool &numberIsSpecial = false);
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double calculateBiggestAngle();
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void setEditable(const bool &editable = true);
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// changing visibility from prot to pub
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void keyPressEvent(QKeyEvent *event);
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protected:
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
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QWidget *widget);
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QVariant itemChange(GraphicsItemChange change, const QVariant &value);
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void mousePressEvent(QGraphicsSceneMouseEvent *event);
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void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
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void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
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void linkActivated(const QString &link);
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private:
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double doubleModulo(const double &devided, const double &devisor);
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struct EdgeElement
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{
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Edge *edge;
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bool startsFromThisNode;
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EdgeElement(Edge *e, bool s) : edge(e), startsFromThisNode(s) {}
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};
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QList<EdgeElement> m_edgeList;
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GraphWidget *m_graph;
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bool m_isActive;
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int m_number;
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bool m_hasBorder;
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bool m_numberIsSpecial;
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};
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#endif // NODE_H
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