tikzit/src/gui/undocommands.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

#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()));
    }
}

void MoveCommand::redo()
{
    foreach (NodeItem *ni, _scene->nodeItems()) {
        if (_newNodePositions.contains(ni->node()))
            ni->node()->setPoint(_newNodePositions.value(ni->node()));
    }
}