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package tim.prune.function;
import java.util.ArrayList;
import java.util.List;
import tim.prune.App;
import tim.prune.cmd.Command;
import tim.prune.cmd.PointFlag;
import tim.prune.data.DataPoint;
import tim.prune.data.Track;
/**
* Class to provide the function to crop the track
* to the current selection
*/
public class CropToSelection extends DeleteBitOfTrackFunction
{
/**
* Constructor
* @param inApp application object for callback
*/
public CropToSelection(App inApp) {
super(inApp);
}
/** Get the name key */
public String getNameKey() {
return "function.croptrack";
}
/**
* Begin the function
*/
public void begin()
{
// check track
Track track = _app.getTrackInfo().getTrack();
if (track == null || track.getNumPoints() <= 0) {
return;
}
// check selection
final int selStart = _app.getTrackInfo().getSelection().getStart();
final int selEnd = _app.getTrackInfo().getSelection().getEnd();
if (selStart < 0 || selEnd < 0 || selEnd <= selStart) {
return;
}
// check for all selected
if (selStart == 0 && selEnd == (track.getNumPoints() - 1)) {
return;
}
ArrayList<Integer> indexesToKeep = new ArrayList<>();
ArrayList<Integer> indexesToDelete = new ArrayList<>();
int numMedia = fillLists(indexesToKeep, indexesToDelete, (i) -> i>=selStart && i<=selEnd);
List<PointFlag> breakList = null;
// Add segment break to the first track point within the selected range
DataPoint firstPoint = track.getFirstTrackPointBetween(selStart, selEnd);
if (firstPoint != null) {
breakList = List.of(new PointFlag(firstPoint, true));
}
Command command = createCommand(indexesToKeep, indexesToDelete, breakList, numMedia);
if (command != null)
{
Describer undoDescriber = new Describer("undo.deletepoint", "undo.deletepoints");
command.setDescription(undoDescriber.getDescriptionWithCount(indexesToDelete.size()));
_app.execute(command);
}
}
}
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