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
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
package tim.prune.undo;
import tim.prune.I18nManager;
import tim.prune.UpdateMessageBroker;
import tim.prune.data.DataPoint;
import tim.prune.data.Track;
import tim.prune.data.TrackInfo;
/**
* Undo merging of track segments
*/
public class UndoMergeTrackSegments implements UndoOperation
{
/** Start index */
private int _startIndex;
/** array of segment flags */
private boolean[] _segmentFlags = null;
/** Following point, if any */
private DataPoint _nextTrackPoint = null;
/** Segment flag of next point */
private boolean _nextSegmentFlag = false;
/**
* Constructor
* @param inTrack track object for copying segment flags
* @param inStart start index of section
* @param inEnd end index of section
*/
public UndoMergeTrackSegments(Track inTrack, int inStart, int inEnd)
{
_startIndex = inStart;
// Store booleans for all points within selection
int numPoints = inEnd - inStart + 1;
_segmentFlags = new boolean[numPoints];
for (int i=inStart; i<=inEnd; i++) {
_segmentFlags[i-inStart] = inTrack.getPoint(i).getSegmentStart();
}
// Look for following track point, store flag
_nextTrackPoint = inTrack.getNextTrackPoint(inEnd + 1);
if (_nextTrackPoint != null) {
_nextSegmentFlag = _nextTrackPoint.getSegmentStart();
}
}
/**
* @return description of operation
*/
public String getDescription()
{
return I18nManager.getText("undo.mergetracksegments");
}
/**
* Perform the undo operation on the given Track
* @param inTrackInfo TrackInfo object on which to perform the operation
*/
public void performUndo(TrackInfo inTrackInfo) throws UndoException
{
// Loop through points replacing segment start flags
for (int i=0; i<_segmentFlags.length; i++) {
DataPoint point = inTrackInfo.getTrack().getPoint(_startIndex + i);
if (!point.isWaypoint()) {
point.setSegmentStart(_segmentFlags[i]);
}
}
// Restore segment start flag for following point
if (_nextTrackPoint != null) {
_nextTrackPoint.setSegmentStart(_nextSegmentFlag);
}
UpdateMessageBroker.informSubscribers();
}
}
|
