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package tim.prune.function;
import tim.prune.App;
import tim.prune.I18nManager;
import tim.prune.cmd.Command;
import tim.prune.cmd.CutAndMoveCmd;
import tim.prune.cmd.PointFlag;
import tim.prune.data.DataPoint;
import tim.prune.data.Track;
import java.util.ArrayList;
import java.util.List;
/**
* Class to provide the function to cut and move the currently selected range
*/
public class CutAndMoveFunction extends TimeSensitiveFunction
{
/**
* Constructor
* @param inApp application object for callback
*/
public CutAndMoveFunction(App inApp) {
super(inApp);
}
/** Get the name key */
public String getNameKey() {
return "menu.range.cutandmove";
}
/**
* Begin the function
*/
public void begin()
{
if (!confirmTimestampMangling()) {
return;
}
final int startIndex = _app.getTrackInfo().getSelection().getStart();
final int endIndex = _app.getTrackInfo().getSelection().getEnd();
final int pointIndex = _app.getTrackInfo().getSelection().getCurrentPointIndex();
if (startIndex < 0 || endIndex <= startIndex || pointIndex < 0 ||
(pointIndex >= startIndex && pointIndex <= endIndex))
{
return;
}
Track track = _app.getTrackInfo().getTrack();
_app.execute(makeCommand(track, startIndex, endIndex, pointIndex));
_app.getTrackInfo().getSelection().clearAll();
_app.getTrackInfo().selectPoint(pointIndex);
}
/**
* Make a cut-and-move 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
* @param inPointIndex point index to insert before
* @return command to be executed
*/
public Command makeCommand(Track inTrack, int inStartIndex, int inEndIndex, int inPointIndex)
{
List<Integer> pointIndexes = makeNewOrdering(inTrack.getNumPoints(),
inStartIndex, inEndIndex, inPointIndex);
DataPoint firstTrackPointInRange = inTrack.getNextTrackPoint(inStartIndex);
DataPoint firstTrackPointAfterRange = inTrack.getNextTrackPoint(inEndIndex + 1);
DataPoint insertPoint = inTrack.getPoint(inPointIndex);
List<PointFlag> pointFlags = List.of(new PointFlag(firstTrackPointInRange, true),
new PointFlag(firstTrackPointAfterRange, true),
new PointFlag(insertPoint, true));
Command command = new CutAndMoveCmd(pointIndexes, pointFlags);
command.setDescription(getName());
command.setConfirmText(I18nManager.getText("confirm.cutandmove"));
return command;
}
/**
* Make the new ordering of the points based on the reversal
* @param inTotalPoints total number of points
* @param inStartIndex start index of selection to move
* @param inEndIndex end index of selection to move
* @param inPointIndex point index for insertion
* @return new ordering
*/
private static List<Integer> makeNewOrdering(int inTotalPoints, int inStartIndex, int inEndIndex,
int inPointIndex)
{
ArrayList<Integer> references = new ArrayList<>();
// up to insertion point but not the section to be moved
for (int i=0; i<inPointIndex; i++)
{
if (i < inStartIndex || i > inEndIndex) {
references.add(i);
}
}
// section to be moved
for (int i=inStartIndex; i<=inEndIndex; i++) {
references.add(i);
}
// after the insertion point but not the section to be moved
for (int i=inPointIndex; i<inTotalPoints; i++)
{
if (i < inStartIndex || i > inEndIndex) {
references.add(i);
}
}
return references;
}
}
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