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package tim.prune.function;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.swing.JOptionPane;
import tim.prune.App;
import tim.prune.I18nManager;
import tim.prune.cmd.PointReference;
import tim.prune.cmd.RearrangePointsCmd;
import tim.prune.data.Checker;
import tim.prune.data.DataPoint;
import tim.prune.data.SortMode;
import tim.prune.data.Track;
/**
* Class to provide the function for rearranging waypoints
*/
public class RearrangeWaypointsFunction extends RearrangeFunction
{
/**
* Constructor
* @param inApp app object
*/
public RearrangeWaypointsFunction(App inApp) {
super(inApp, true);
}
/** Get the name key */
public String getNameKey() {
return "function.rearrangewaypoints";
}
/** Get whether sorting by time is allowed or not */
protected boolean isSortByTimeAllowed() {
return Checker.haveWaypointsGotTimestamps(_app.getTrackInfo().getTrack());
}
/** Get the description key */
public String getDescriptionKey() {
return "dialog.rearrangewaypoints.desc";
}
/** Sort by name key */
protected String getSortNameKey() {
return "sortbyname";
}
/**
* Perform the rearrange and sort according to the radio buttons
*/
protected void finish()
{
// Figure out what is required from the radio buttons
Rearrange rearrangeOption = getRearrangeOption();
SortMode sortOption = getSortMode();
final List<PointReference> result;
if (rearrangeOption == Rearrange.TO_START || rearrangeOption == Rearrange.TO_END)
{
// Collect the waypoints to the start or end of the track
result = collectWaypoints(rearrangeOption, sortOption);
}
else
{
// Interleave the waypoints into track order
result = interleaveWaypoints();
}
if (result == null || isResultANop(result)) {
JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("error.rearrange.noop"),
I18nManager.getText("error.function.noop.title"), JOptionPane.WARNING_MESSAGE);
}
else
{
RearrangePointsCmd command = RearrangePointsCmd.from(result);
command.setDescription(getName());
command.setConfirmText(I18nManager.getText("confirm.rearrangewaypoints"));
_app.execute(command);
}
}
/**
* Do the collection and sorting of the waypoints
* @param inRearrangeOption beginning or end
* @param inSortOption optional sort criterion
* @return list of point references
*/
private List<PointReference> collectWaypoints(Rearrange inRearrangeOption, SortMode inSortOption)
{
Track track = _app.getTrackInfo().getTrack();
final int numPoints = track.getNumPoints();
ArrayList<PointReference> waypoints = new ArrayList<>();
ArrayList<PointReference> nonWaypoints = new ArrayList<>();
boolean wayAfterNon = false, nonAfterWay = false;
for (int i=0; i<numPoints; i++)
{
DataPoint point = track.getPoint(i);
PointReference pointReference = new PointReference(i,
inSortOption == SortMode.SORTBY_NAME ? point.getWaypointName() : null,
inSortOption == SortMode.SORTBY_TIME ? point.getTimestamp() : null);
if (point.isWaypoint())
{
waypoints.add(pointReference);
wayAfterNon |= !nonWaypoints.isEmpty();
}
else
{
nonWaypoints.add(pointReference);
nonAfterWay |= !waypoints.isEmpty();
}
}
// Exit if the data is already in the specified order
final boolean wpsToStart = (inRearrangeOption == Rearrange.TO_START);
final boolean doSort = (inSortOption != SortMode.DONT_SORT);
if (waypoints.isEmpty()
|| (wpsToStart && !wayAfterNon && nonAfterWay && !doSort)
|| (!wpsToStart && wayAfterNon && !nonAfterWay && !doSort)
|| inRearrangeOption == Rearrange.TO_NEAREST)
{
return null;
}
// Note: it could still be that the rearrange and sort has no effect, but we don't know yet
if (doSort) {
Collections.sort(waypoints);
}
// Combine the two lists into a single one
List<PointReference> result = new ArrayList<>();
if (wpsToStart)
{
result.addAll(waypoints);
result.addAll(nonWaypoints);
}
else
{
result.addAll(nonWaypoints);
result.addAll(waypoints);
}
return result;
}
/**
* Interleave all waypoints by each nearest track point
* @return list of point references
*/
private List<PointReference> interleaveWaypoints()
{
Track track = _app.getTrackInfo().getTrack();
final int numPoints = track.getNumPoints();
ArrayList<PointReference> result = new ArrayList<>();
for (int i=0; i<numPoints; i++)
{
DataPoint point = track.getPoint(i);
if (point.isWaypoint()) {
result.add(new PointReference(i, track.getNearestTrackPointIndex(i)));
}
else {
result.add(new PointReference(i, i));
}
}
Collections.sort(result);
return result;
}
}
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