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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
package tim.prune.function;
import tim.prune.App;
import tim.prune.I18nManager;
import tim.prune.cmd.Command;
import tim.prune.cmd.PointFlag;
import tim.prune.cmd.ReverseRangeCmd;
import tim.prune.data.DataPoint;
import tim.prune.data.Track;
import java.util.ArrayList;
import java.util.List;
/**
* Class to provide the function to reverse the currently selected range
*/
public class ReverseSelectedRange extends TimeSensitiveFunction
{
/**
* Constructor
* @param inApp application object for callback
*/
public ReverseSelectedRange(App inApp) {
super(inApp);
}
/** Get the name key */
public String getNameKey() {
return "function.reverserange";
}
/**
* Begin the function
*/
public void begin()
{
if (!confirmTimestampMangling()) {
return;
}
final int startIndex = _app.getTrackInfo().getSelection().getStart();
final int endIndex = _app.getTrackInfo().getSelection().getEnd();
if (startIndex < 0 || endIndex <= startIndex) {
return;
}
Track track = _app.getTrackInfo().getTrack();
Command command = makeReverseCommand(track, startIndex, endIndex);
command.setDescription(getName());
command.setConfirmText(I18nManager.getText("confirm.reverserange"));
_app.execute(command);
}
/**
* Make a reverse command combining the required operations
* @param inTrack track object, used to interrogate segments
* @param inStartIndex start index of the range to be reversed
* @param inEndIndex end index, inclusive
* @return command to be executed
*/
public static Command makeReverseCommand(Track inTrack, int inStartIndex, int inEndIndex)
{
List<Integer> pointIndexes = makeNewOrdering(inTrack.getNumPoints(),
inStartIndex, inEndIndex);
List<PointFlag> pointFlags = null;
if (inTrack.isTrackPointWithin(inStartIndex, inEndIndex))
{
pointFlags = new ArrayList<>();
pointFlags.add(new PointFlag(inTrack.getNextTrackPoint(inEndIndex + 1), true));
boolean newSeg = true;
for (int i=inEndIndex; i>=inStartIndex; i--)
{
DataPoint point = inTrack.getPoint(i);
if (!point.isWaypoint())
{
// Shift segment flag to next point
pointFlags.add(new PointFlag(point, newSeg));
newSeg = point.getSegmentStart();
}
}
}
return new ReverseRangeCmd(pointIndexes, pointFlags);
}
/**
* Make the new ordering of the points based on the reversal
* @param totalPoints total number of points
* @param startIndex start index of selection to reverse
* @param endIndex end index of selection to reverse
* @return new ordering
*/
private static List<Integer> makeNewOrdering(int totalPoints, int startIndex, int endIndex)
{
ArrayList<Integer> references = new ArrayList<>();
for (int i=0; i<startIndex; i++) {
references.add(i);
}
for (int i=endIndex; i>=startIndex; i--) {
references.add(i);
}
for (int i=endIndex + 1; i<totalPoints; i++) {
references.add(i);
}
return references;
}
}
|
