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#include "undocommands.h"
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();
}
}
foreach (EdgeItem *ei, _scene->edgeItems()) {
ei->edge()->updateControls();
ei->syncPos();
}
}
void MoveCommand::redo()
{
foreach (NodeItem *ni, _scene->nodeItems()) {
if (_newNodePositions.contains(ni->node())) {
ni->node()->setPoint(_newNodePositions.value(ni->node()));
ni->readPos();
}
}
foreach (EdgeItem *ei, _scene->edgeItems()) {
ei->edge()->updateControls();
ei->syncPos();
}
}
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