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44 lines
612 B
44 lines
612 B
14 years ago
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#ifndef COMMANDS_H
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#define COMMANDS_H
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#include <QUndoCommand>
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#include <exception>
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#include "graphlogic.h"
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class GraphLogic;
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class NoActiveNodeException : public std::exception
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{
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public:
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const char* what() const throw();
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};
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class CannotPlaceNewNodeException : public std::exception
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{
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public:
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const char* what() const throw();
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};
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class InsertNodeCommand : public QUndoCommand
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{
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public:
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InsertNodeCommand(GraphLogic *graphLogic);
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void undo();
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void redo();
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private:
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GraphLogic *m_graphLogic;
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Node *m_node;
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QPointF m_pos;
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Node *m_activeNode;
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};
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#endif // COMMANDS_H
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