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author | Aleks Kissinger <aleks0@gmail.com> | 2018-01-04 16:00:52 +0100 |
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committer | Aleks Kissinger <aleks0@gmail.com> | 2018-01-04 16:00:52 +0100 |
commit | 738ecbd5fad2b46836bfd6a94aeebf165ae2bbca (patch) | |
tree | df04709807cc9ec8481a3ebc7d80ac25e5b2f457 /src/gui/undocommands.cpp | |
parent | 0421a96749743868554d44585050b1b3d04864d2 (diff) |
relocated source code to the root
Diffstat (limited to 'src/gui/undocommands.cpp')
-rw-r--r-- | src/gui/undocommands.cpp | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/gui/undocommands.cpp b/src/gui/undocommands.cpp new file mode 100644 index 0000000..736c258 --- /dev/null +++ b/src/gui/undocommands.cpp @@ -0,0 +1,162 @@ +#include "undocommands.h" +#include "nodeitem.h" +#include "edgeitem.h" + +#include <QGraphicsView> + +MoveCommand::MoveCommand(TikzScene *scene, + QMap<Node*, QPointF> oldNodePositions, + QMap<Node*, QPointF> newNodePositions, + QUndoCommand *parent) : + QUndoCommand(parent), + _scene(scene), + _oldNodePositions(oldNodePositions), + _newNodePositions(newNodePositions) +{} + + +void MoveCommand::undo() +{ + foreach (NodeItem *ni, _scene->nodeItems()) { + if (_oldNodePositions.contains(ni->node())) { + ni->node()->setPoint(_oldNodePositions.value(ni->node())); + ni->readPos(); + } + } + + _scene->refreshAdjacentEdges(_oldNodePositions.keys()); +} + +void MoveCommand::redo() +{ + foreach (NodeItem *ni, _scene->nodeItems()) { + if (_newNodePositions.contains(ni->node())) { + ni->node()->setPoint(_newNodePositions.value(ni->node())); + ni->readPos(); + } + } + + _scene->refreshAdjacentEdges(_newNodePositions.keys()); +} + +EdgeBendCommand::EdgeBendCommand(TikzScene *scene, Edge *edge, + float oldWeight, int oldBend, + int oldInAngle, int oldOutAngle) : + _scene(scene), _edge(edge), + _oldWeight(oldWeight), _oldBend(oldBend), + _oldInAngle(oldInAngle), _oldOutAngle(oldOutAngle) +{ + _newWeight = edge->weight(); + _newBend = edge->bend(); + _newInAngle = edge->inAngle(); + _newOutAngle = edge->outAngle(); +} + +void EdgeBendCommand::undo() +{ + _edge->setWeight(_oldWeight); + _edge->setBend(_oldBend); + _edge->setInAngle(_oldInAngle); + _edge->setOutAngle(_oldOutAngle); + + foreach(EdgeItem *ei, _scene->edgeItems()) { + if (ei->edge() == _edge) { + ei->readPos(); + break; + } + } +} + +void EdgeBendCommand::redo() +{ + _edge->setWeight(_newWeight); + _edge->setBend(_newBend); + _edge->setInAngle(_newInAngle); + _edge->setOutAngle(_newOutAngle); + + foreach(EdgeItem *ei, _scene->edgeItems()) { + if (ei->edge() == _edge) { + ei->readPos(); + break; + } + } +} + +DeleteCommand::DeleteCommand(TikzScene *scene, + QMap<int, Node *> deleteNodes, + QMap<int, Edge *> deleteEdges, + QSet<Edge *> selEdges) : + _scene(scene), _deleteNodes(deleteNodes), + _deleteEdges(deleteEdges), _selEdges(selEdges) +{} + +void DeleteCommand::undo() +{ + for (auto it = _deleteNodes.begin(); it != _deleteNodes.end(); ++it) { + Node *n = it.value(); + _scene->graph()->addNode(n, it.key()); + NodeItem *ni = new NodeItem(n); + _scene->nodeItems().insert(n, ni); + _scene->addItem(ni); + ni->setSelected(true); + } + + for (auto it = _deleteEdges.begin(); it != _deleteEdges.end(); ++it) { + Edge *e = it.value(); + _scene->graph()->addEdge(e, it.key()); + EdgeItem *ei = new EdgeItem(e); + _scene->edgeItems().insert(e, ei); + _scene->addItem(ei); + + if (_selEdges.contains(e)) ei->setSelected(true); + } +} + +void DeleteCommand::redo() +{ + foreach (Edge *e, _deleteEdges.values()) { + EdgeItem *ei = _scene->edgeItems()[e]; + _scene->edgeItems().remove(e); + _scene->removeItem(ei); + delete ei; + + _scene->graph()->removeEdge(e); + } + + foreach (Node *n, _deleteNodes.values()) { + NodeItem *ni = _scene->nodeItems()[n]; + _scene->nodeItems().remove(n); + _scene->removeItem(ni); + delete ni; + + _scene->graph()->removeNode(n); + } +} + +AddNodeCommand::AddNodeCommand(TikzScene *scene, Node *node, QRectF newBounds) : + _scene(scene), _node(node), _oldBounds(_scene->sceneRect()), _newBounds(newBounds) +{ +} + +void AddNodeCommand::undo() +{ + NodeItem *ni = _scene->nodeItems()[_node]; + _scene->removeItem(ni); + _scene->nodeItems().remove(_node); + delete ni; + + _scene->graph()->removeNode(_node); + + _scene->setBounds(_oldBounds); +} + +void AddNodeCommand::redo() +{ + // TODO: get the current style + _scene->graph()->addNode(_node); + NodeItem *ni = new NodeItem(_node); + _scene->nodeItems().insert(_node, ni); + _scene->addItem(ni); + + _scene->setBounds(_newBounds); +} |