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/*
TikZiT - a GUI diagram editor for TikZ
Copyright (C) 2018 Aleks Kissinger
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/*!
* \file undocommands.h
*
* All changes to a TikzDocument are done via subclasses of QUndoCommand. When a controller
* (e.g. TikzScene) gets input from the user to change the document, it will push one of
* these commands onto the TikzDocument's undo stack, which automatically calls the redo()
* method of the command.
*/
#ifndef UNDOCOMMANDS_H
#define UNDOCOMMANDS_H
#include "tikzscene.h"
#include <QUndoCommand>
#include <QSet>
class GraphUpdateCommand : public QUndoCommand {
public:
explicit GraphUpdateCommand(TikzScene *scene,
QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
protected:
TikzScene *_scene;
};
class MoveCommand : public GraphUpdateCommand
{
public:
explicit MoveCommand(TikzScene *scene,
QMap<Node*,QPointF> oldNodePositions,
QMap<Node*,QPointF> newNodePositions,
QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
QMap<Node*,QPointF> _oldNodePositions;
QMap<Node*,QPointF> _newNodePositions;
};
class EdgeBendCommand : public GraphUpdateCommand
{
public:
explicit EdgeBendCommand(TikzScene *scene, Edge *edge,
qreal oldWeight, int oldBend,
int oldInAngle, int oldOutAngle,
QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
Edge *_edge;
qreal _oldWeight;
int _oldBend;
int _oldInAngle;
int _oldOutAngle;
qreal _newWeight;
int _newBend;
int _newInAngle;
int _newOutAngle;
};
class ReverseEdgesCommand : public GraphUpdateCommand
{
public:
explicit ReverseEdgesCommand(TikzScene *scene, QSet<Edge*> edgeSet,
QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
QSet<Edge*> _edgeSet;
};
class DeleteCommand : public GraphUpdateCommand
{
public:
explicit DeleteCommand(TikzScene *scene,
QMap<int,Node*> deleteNodes,
QMap<int,Edge*> deleteEdges,
QSet<Node*> selNodes,
QSet<Edge*> selEdges,
QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
QMap<int,Node*> _deleteNodes;
QMap<int,Edge*> _deleteEdges;
QSet<Node*> _selNodes;
QSet<Edge*> _selEdges;
};
class AddNodeCommand : public GraphUpdateCommand
{
public:
explicit AddNodeCommand(TikzScene *scene, Node *node, QRectF newBounds,
QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
Node *_node;
QRectF _oldBounds;
QRectF _newBounds;
};
class AddEdgeCommand : public GraphUpdateCommand
{
public:
explicit AddEdgeCommand(TikzScene *scene, Edge *edge,
bool selectEdge=false,
QSet<Node *> selNodes=QSet<Node*>(),
QSet<Edge *> selEdges=QSet<Edge*>(),
QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
Edge *_edge;
bool _selectEdge;
QSet<Node*> _selNodes;
QSet<Edge*> _selEdges;
};
class ChangeEdgeModeCommand : public GraphUpdateCommand
{
public:
explicit ChangeEdgeModeCommand(TikzScene *scene, Edge *edge, QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
Edge *_edge;
};
class ApplyStyleToNodesCommand : public GraphUpdateCommand
{
public:
explicit ApplyStyleToNodesCommand(TikzScene *scene, QString style, QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
QString _style;
QMap<Node*,QString> _oldStyles;
};
class ApplyStyleToEdgesCommand : public GraphUpdateCommand
{
public:
explicit ApplyStyleToEdgesCommand(TikzScene *scene, QString style, QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
QString _style;
QMap<Edge*, QString> _oldStyles;
};
class PasteCommand : public GraphUpdateCommand
{
public:
explicit PasteCommand(TikzScene *scene, Graph *graph, QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
Graph *_graph;
QSet<Node*> _oldSelectedNodes;
QSet<Edge*> _oldSelectedEdges;
};
class ChangeLabelCommand : public GraphUpdateCommand
{
public:
explicit ChangeLabelCommand(TikzScene *scene,
QMap<Node*,QString> oldLabels,
QString newLabel,
QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
QMap<Node*,QString> _oldLabels;
QString _newLabel;
};
class ReplaceGraphCommand : public GraphUpdateCommand
{
public:
explicit ReplaceGraphCommand(TikzScene *scene,
Graph *oldGraph,
Graph *newGraph,
QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
Graph *_oldGraph;
Graph *_newGraph;
};
class ReflectNodesCommand : public GraphUpdateCommand
{
public:
explicit ReflectNodesCommand(TikzScene *scene,
QSet<Node*> nodes,
bool horizontal,
QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
QSet<Node*> _nodes;
bool _horizontal;
};
class RotateNodesCommand : public GraphUpdateCommand
{
public:
explicit RotateNodesCommand(TikzScene *scene,
QSet<Node*> nodes,
bool clockwise,
QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
QSet<Node*> _nodes;
bool _clockwise;
};
class ReorderCommand : public GraphUpdateCommand
{
public:
explicit ReorderCommand(TikzScene *scene,
const QVector<Node*> &oldNodeOrder,
const QVector<Node*> &newNodeOrder,
const QVector<Edge*> &oldEdgeOrder,
const QVector<Edge*> &newEdgeOrder,
QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
QVector<Node*> _oldNodeOrder;
QVector<Node*> _newNodeOrder;
QVector<Edge*> _oldEdgeOrder;
QVector<Edge*> _newEdgeOrder;
};
#endif // UNDOCOMMANDS_H
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