Jskad/source/org/thdl/savant/TwoWayTextPlayer.java
2002-09-28 00:53:39 +00:00

106 lines
No EOL
3.1 KiB
Java

package org.thdl.savant;
import java.awt.Color;
import java.awt.Point;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.Timer;
import java.util.TimerTask;
import java.util.TreeMap;
import java.util.SortedMap;
import java.util.Enumeration;
import java.util.NoSuchElementException;
import javax.swing.text.JTextComponent;
public class TwoWayTextPlayer extends TextHighlightPlayer
{
protected TreeMap orderedOffsets = null;
protected SoundPanel sound = null;
protected long doubleClickDelay = 300L;
protected long lastClickTime;
protected Point lastClickPoint = null;
public TwoWayTextPlayer(SoundPanel sp, TranscriptView view, Color highlightColor)
{
super(view, highlightColor);
sound = sp;
orderedOffsets = new TreeMap();
for (Enumeration e = hashEnd.keys() ; e.hasMoreElements() ;)
{
String id = (String)e.nextElement();
orderedOffsets.put(hashEnd.get(id), id);
}
for (Enumeration e = hashStart.keys() ; e.hasMoreElements() ;)
{
String id = (String)e.nextElement();
orderedOffsets.put(hashStart.get(id), id);
}
view.getTextComponent().addMouseListener(new MouseAdapter()
{
public void mouseClicked(MouseEvent e)
{
//note - can't use e.getClickCount() here
//because every double click event is
//preceded by a single click event, so
//no easy way to distinguish the two
try
{
final long currentClickTime = e.getWhen();
final Point currentClickPoint = e.getPoint();
if (lastClickPoint != null && currentClickPoint.equals(lastClickPoint))
{ //this could be the second click of a double click
if (currentClickTime - lastClickTime < doubleClickDelay)
{ //must be a double-click: play only one line
lastClickPoint = null; //makes sure second click won't be interpreted as single click also
int pos = text.viewToModel(currentClickPoint)+1;
Integer i = new Integer(pos);
SortedMap map = orderedOffsets.headMap(i);
final String id = (String)map.get(map.lastKey());
highlighter.removeAllHighlights();
sound.cmd_playS(id);
return;
}
}
//otherwise, this click can only be single click or first click
lastClickTime = currentClickTime;
lastClickPoint = new Point(currentClickPoint);
final Timer clickTimer = new Timer(true);
clickTimer.schedule(new TimerTask()
{
public void run()
{
if (lastClickPoint != null)
{ //must be a single click: play line onwards
int pos = text.viewToModel(currentClickPoint)+1;
Integer i = new Integer(pos);
SortedMap map = orderedOffsets.headMap(i);
final String id = (String)map.get(map.lastKey());
highlighter.removeAllHighlights();
sound.cmd_playFrom(id);
}
clickTimer.cancel();
}
}, doubleClickDelay);
}
catch (NoSuchElementException nsee)
{
nsee.printStackTrace();
}
}
});
}
public void reset()
{
sound.removeAnnotationPlayer(this);
highlighter.removeAllHighlights();
}
public JTextComponent getTextComponent()
{
return text;
}
}