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Java > Open Source Codes > edu > rice > cs > drjava > ui > ForegroundColorListener


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33
34 package edu.rice.cs.drjava.ui;
35
36 import javax.swing.text.JTextComponent JavaDoc;
37 import java.awt.Component JavaDoc;
38 import java.awt.Color JavaDoc;
39
40 import edu.rice.cs.drjava.config.*;
41 import edu.rice.cs.drjava.*;
42
43 /** Creates and installs an OptionListener for DEFINITIONS_NORMAL_COLOR on a specified JTextComponent. */
44 class ForegroundColorListener implements OptionListener<Color JavaDoc> {
45   final Component JavaDoc _target;
46
47   public ForegroundColorListener(Component JavaDoc target) {
48     _target = target;
49
50     final Color JavaDoc color = DrJava.getConfig().getSetting(OptionConstants.DEFINITIONS_NORMAL_COLOR);
51     _setColor(color);
52
53     DrJava.getConfig().addOptionListener(OptionConstants.DEFINITIONS_NORMAL_COLOR, this);
54   }
55
56   public void optionChanged(OptionEvent<Color JavaDoc> oce) { _setColor(oce.value); }
57
58   private void _setColor(Color JavaDoc c) {
59     _target.setForeground(c);
60
61     if (_target instanceof JTextComponent JavaDoc) {
62       ((JTextComponent JavaDoc) _target).setCaretColor(c);
63     }
64   }
65 }
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