// License: GPL. Copyright 2007 by Immanuel Scholz and others
package org.openstreetmap.josm.gui.layer.markerlayer;
import static org.openstreetmap.josm.tools.I18n.marktr;
import static org.openstreetmap.josm.tools.I18n.tr;
import static org.openstreetmap.josm.tools.I18n.trn;
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.File;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import javax.swing.AbstractAction;
import javax.swing.Icon;
import javax.swing.JColorChooser;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JSeparator;
import javax.swing.SwingUtilities;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.RenameLayerAction;
import org.openstreetmap.josm.data.Bounds;
import org.openstreetmap.josm.data.coor.LatLon;
import org.openstreetmap.josm.data.gpx.GpxData;
import org.openstreetmap.josm.data.gpx.GpxLink;
import org.openstreetmap.josm.data.gpx.WayPoint;
import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
import org.openstreetmap.josm.gui.MapView;
import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
import org.openstreetmap.josm.gui.dialogs.LayerListPopup;
import org.openstreetmap.josm.gui.layer.GpxLayer;
import org.openstreetmap.josm.gui.layer.Layer;
import org.openstreetmap.josm.tools.AudioPlayer;
import org.openstreetmap.josm.tools.ImageProvider;
/**
* A layer holding markers.
*
* Markers are GPS points with a name and, optionally, a symbol code attached;
* marker layers can be created from waypoints when importing raw GPS data,
* but they may also come from other sources.
*
* The symbol code is for future use.
*
* The data is read only.
*/
public class MarkerLayer extends Layer {
/**
* A list of markers.
*/
public final Collection<Marker> data;
private boolean mousePressed = false;
public GpxLayer fromLayer = null;
@SuppressWarnings("unchecked")
public MarkerLayer(GpxData indata, String name, File associatedFile, GpxLayer fromLayer) {
super(name);
this.setAssociatedFile(associatedFile);
this.data = new ArrayList<Marker>();
this.fromLayer = fromLayer;
double firstTime = -1.0;
String lastLinkedFile = "";
for (WayPoint wpt : indata.waypoints) {
/* calculate time differences in waypoints */
double time = wpt.time;
boolean wpt_has_link = wpt.attr.containsKey(GpxData.META_LINKS);
if (firstTime < 0 && wpt_has_link) {
firstTime = time;
for (GpxLink oneLink : (Collection<GpxLink>) wpt.attr.get(GpxData.META_LINKS)) {
lastLinkedFile = oneLink.uri;
break;
}
}
if (wpt_has_link) {
for (GpxLink oneLink : (Collection<GpxLink>) wpt.attr.get(GpxData.META_LINKS)) {
if (!oneLink.uri.equals(lastLinkedFile)) {
firstTime = time;
}
lastLinkedFile = oneLink.uri;
break;
}
}
Marker m = Marker.createMarker(wpt, indata.storageFile, this, time, time - firstTime);
if (m != null) {
data.add(m);
}
}
SwingUtilities.invokeLater(new Runnable(){
public void run() {
Main.map.mapView.addMouseListener(new MouseAdapter() {
@Override public void mousePressed(MouseEvent e) {
if (e.getButton() != MouseEvent.BUTTON1)
return;
boolean mousePressedInButton = false;
if (e.getPoint() != null) {
for (Marker mkr : data) {
if (mkr.containsPoint(e.getPoint())) {
mousePressedInButton = true;
break;
}
}
}
if (! mousePressedInButton)
return;
mousePressed = true;
if (isVisible()) {
Main.map.mapView.repaint();
}
}
@Override public void mouseReleased(MouseEvent ev) {
if (ev.getButton() != MouseEvent.BUTTON1 || ! mousePressed)
return;
mousePressed = false;
if (!isVisible())
return;
if (ev.getPoint() != null) {
for (Marker mkr : data) {
if (mkr.containsPoint(ev.getPoint())) {
mkr.actionPerformed(new ActionEvent(this, 0, null));
}
}
}
Main.map.mapView.repaint();
}
});
}
});
}
/**
* Return a static icon.
*/
@Override public Icon getIcon() {
return ImageProvider.get("layer", "marker_small");
}
static public Color getColor(String name)
{
return Main.pref.getColor(marktr("gps marker"), name != null ? "layer "+name : null, Color.gray);
}
@Override public void paint(Graphics2D g, MapView mv, Bounds box) {
String mkrTextShow = Main.pref.get("marker.show "+getName(), "show");
g.setColor(getColor(getName()));
if (mousePressed) {
boolean mousePressedTmp = mousePressed;
Point mousePos = mv.getMousePosition(); // Get mouse position only when necessary (it's the slowest part of marker layer painting)
for (Marker mkr : data) {
if (mousePos != null && mkr.containsPoint(mousePos)) {
mkr.paint(g, mv, mousePressedTmp, mkrTextShow);
mousePressedTmp = false;
}
}
} else {
for (Marker mkr : data) {
mkr.paint(g, mv, false, mkrTextShow);
}
}
}
@Override public String getToolTipText() {
return data.size()+" "+trn("marker", "markers", data.size());
}
@Override public void mergeFrom(Layer from) {
MarkerLayer layer = (MarkerLayer)from;
data.addAll(layer.data);
}
@Override public boolean isMergable(Layer other) {
return other instanceof MarkerLayer;
}
@Override public void visitBoundingBox(BoundingXYVisitor v) {
for (Marker mkr : data) {
v.visit(mkr.getEastNorth());
}
}
@Override public Object getInfoComponent() {
return "<html>"+trn("{0} consists of {1} marker", "{0} consists of {1} markers", data.size(), getName(), data.size()) + "</html>";
}
@Override public Component[] getMenuEntries() {
JMenuItem color = new JMenuItem(tr("Customize Color"), ImageProvider.get("colorchooser"));
color.putClientProperty("help", "Action/LayerCustomizeColor");
color.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
JColorChooser c = new JColorChooser(getColor(getName()));
Object[] options = new Object[]{tr("OK"), tr("Cancel"), tr("Default")};
int answer = JOptionPane.showOptionDialog(
Main.parent,
c,
tr("Choose a color"),
JOptionPane.OK_CANCEL_OPTION,
JOptionPane.PLAIN_MESSAGE,
null,
options,
options[0]
);
switch (answer) {
case 0:
Main.pref.putColor("layer "+getName(), c.getColor());
break;
case 1:
return;
case 2:
Main.pref.putColor("layer "+getName(), null);
break;
}
Main.map.repaint();
}
});
JMenuItem syncaudio = new JMenuItem(tr("Synchronize Audio"), ImageProvider.get("audio-sync"));
syncaudio.putClientProperty("help", "Action/SynchronizeAudio");
syncaudio.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
if (! AudioPlayer.paused()) {
JOptionPane.showMessageDialog(
Main.parent,
tr("You need to pause audio at the moment when you hear your synchronization cue."),
tr("Warning"),
JOptionPane.WARNING_MESSAGE
);
return;
}
AudioMarker recent = AudioMarker.recentlyPlayedMarker();
if (synchronizeAudioMarkers(recent)) {
JOptionPane.showMessageDialog(
Main.parent,
tr("Audio synchronized at point {0}.", recent.text),
tr("Information"),
JOptionPane.INFORMATION_MESSAGE
);
} else {
JOptionPane.showMessageDialog(
Main.parent,
tr("Unable to synchronize in layer being played."),
tr("Error"),
JOptionPane.ERROR_MESSAGE
);
}
}
});
JMenuItem moveaudio = new JMenuItem(tr("Make Audio Marker at Play Head"), ImageProvider.get("addmarkers"));
moveaudio.putClientProperty("help", "Action/MakeAudioMarkerAtPlayHead");
moveaudio.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
if (! AudioPlayer.paused()) {
JOptionPane.showMessageDialog(
Main.parent,
tr("You need to have paused audio at the point on the track where you want the marker."),
tr("Warning"),
JOptionPane.WARNING_MESSAGE
);
return;
}
PlayHeadMarker playHeadMarker = Main.map.mapView.playHeadMarker;
if (playHeadMarker == null)
return;
addAudioMarker(playHeadMarker.time, playHeadMarker.getCoor());
Main.map.mapView.repaint();
}
});
Collection<Component> components = new ArrayList<Component>();
components.add(new JMenuItem(LayerListDialog.getInstance().createShowHideLayerAction(this)));
components.add(new JMenuItem(new ShowHideMarkerText(this)));
components.add(new JMenuItem(LayerListDialog.getInstance().createDeleteLayerAction(this)));
components.add(new JSeparator());
components.add(color);
components.add(new JSeparator());
components.add(syncaudio);
if (Main.pref.getBoolean("marker.traceaudio", true)) {
components.add (moveaudio);
}
components.add(new JMenuItem(new RenameLayerAction(getAssociatedFile(), this)));
components.add(new JSeparator());
components.add(new JMenuItem(new LayerListPopup.InfoAction(this)));
return components.toArray(new Component[0]);
}
public boolean synchronizeAudioMarkers(AudioMarker startMarker) {
if (startMarker != null && ! data.contains(startMarker)) {
startMarker = null;
}
if (startMarker == null) {
// find the first audioMarker in this layer
for (Marker m : data) {
if (m instanceof AudioMarker) {
startMarker = (AudioMarker) m;
break;
}
}
}
if (startMarker == null)
return false;
// apply adjustment to all subsequent audio markers in the layer
double adjustment = AudioPlayer.position() - startMarker.offset; // in seconds
boolean seenStart = false;
URL url = startMarker.url();
for (Marker m : data) {
if (m == startMarker) {
seenStart = true;
}
if (seenStart) {
AudioMarker ma = (AudioMarker) m; // it must be an AudioMarker
if (ma.url().equals(url)) {
ma.adjustOffset(adjustment);
}
}
}
return true;
}
public AudioMarker addAudioMarker(double time, LatLon coor) {
// find first audio marker to get absolute start time
double offset = 0.0;
AudioMarker am = null;
for (Marker m : data) {
if (m.getClass() == AudioMarker.class) {
am = (AudioMarker)m;
offset = time - am.time;
break;
}
}
if (am == null) {
JOptionPane.showMessageDialog(
Main.parent,
tr("No existing audio markers in this layer to offset from."),
tr("Error"),
JOptionPane.ERROR_MESSAGE
);
return null;
}
// make our new marker
AudioMarker newAudioMarker = AudioMarker.create(coor,
AudioMarker.inventName(offset), AudioPlayer.url().toString(), this, time, offset);
// insert it at the right place in a copy the collection
Collection<Marker> newData = new ArrayList<Marker>();
am = null;
AudioMarker ret = newAudioMarker; // save to have return value
for (Marker m : data) {
if (m.getClass() == AudioMarker.class) {
am = (AudioMarker) m;
if (newAudioMarker != null && offset < am.offset) {
newAudioMarker.adjustOffset(am.syncOffset()); // i.e. same as predecessor
newData.add(newAudioMarker);
newAudioMarker = null;
}
}
newData.add(m);
}
if (newAudioMarker != null) {
if (am != null) {
newAudioMarker.adjustOffset(am.syncOffset()); // i.e. same as predecessor
}
newData.add(newAudioMarker); // insert at end
}
// replace the collection
data.clear();
data.addAll(newData);
return ret;
}
public static void playAudio() {
playAdjacentMarker(null, true);
}
public static void playNextMarker() {
playAdjacentMarker(AudioMarker.recentlyPlayedMarker(), true);
}
public static void playPreviousMarker() {
playAdjacentMarker(AudioMarker.recentlyPlayedMarker(), false);
}
private static Marker getAdjacentMarker(Marker startMarker, boolean next, Layer layer) {
Marker previousMarker = null;
boolean nextTime = false;
if (layer.getClass() == MarkerLayer.class) {
MarkerLayer markerLayer = (MarkerLayer) layer;
for (Marker marker : markerLayer.data) {
if (marker == startMarker) {
if (next) {
nextTime = true;
} else {
if (previousMarker == null) {
previousMarker = startMarker; // if no previous one, play the first one again
}
return previousMarker;
}
}
else if (marker.getClass() == AudioMarker.class)
{
if(nextTime || startMarker == null)
return marker;
previousMarker = marker;
}
}
if (nextTime) // there was no next marker in that layer, so play the last one again
return startMarker;
}
return null;
}
private static void playAdjacentMarker(Marker startMarker, boolean next) {
Marker m = null;
if (Main.map == null || Main.map.mapView == null)
return;
Layer l = Main.map.mapView.getActiveLayer();
if(l != null) {
m = getAdjacentMarker(startMarker, next, l);
}
if(m == null)
{
for (Layer layer : Main.map.mapView.getAllLayers())
{
m = getAdjacentMarker(startMarker, next, layer);
if(m != null) {
break;
}
}
}
if(m != null) {
((AudioMarker)m).play();
}
}
public static final class ShowHideMarkerText extends AbstractAction {
private final Layer layer;
public ShowHideMarkerText(Layer layer) {
super(tr("Show/Hide Text/Icons"), ImageProvider.get("dialogs", "showhide"));
putValue(SHORT_DESCRIPTION, tr("Toggle visible state of the marker text and icons."));
putValue("help", "Action/ShowHideTextIcons");
this.layer = layer;
}
public void actionPerformed(ActionEvent e) {
String current = Main.pref.get("marker.show "+layer.getName(),"show");
Main.pref.put("marker.show "+layer.getName(), current.equalsIgnoreCase("show") ? "hide" : "show");
Main.map.mapView.repaint();
}
}
}