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1
36
37 import java.awt.event.ActionEvent  ;
38 import java.awt.event.ActionListener ;
39
40 import java.net.URL ;
41
42 import javax.swing.AbstractAction ;
43 import javax.swing.Action ;
44 import javax.swing.ImageIcon ;
45
46 import javax.swing.event.EventListenerList ;
47
48
52 public abstract class JLFAbstractAction extends AbstractAction {
53
54 private EventListenerList listeners;
56
57 public static final String JLF_IMAGE_DIR = "/toolbarButtonGraphics/general/";
59
60
66 public static final String LARGE_ICON = "LargeIcon";
67
68
72
75 public String getActionCommand() {
76 return (String )getValue(Action.ACTION_COMMAND_KEY);
77 }
78
79
82 public String getShortDescription() {
83 return (String )getValue(Action.SHORT_DESCRIPTION);
84 }
85
86
89 public String getLongDescription() {
90 return (String )getValue(Action.LONG_DESCRIPTION);
91 }
92
93
101
102
103
105
108 public void actionPerformed(ActionEvent evt) {
109 if (listeners != null) {
110 Object [] listenerList = listeners.getListenerList();
111
112 ActionEvent e = new ActionEvent (evt.getSource(), evt.getID(),
114 (String )getValue(Action.ACTION_COMMAND_KEY));
115 for (int i = 0; i <= listenerList.length-2; i += 2) {
116 ((ActionListener )listenerList[i+1]).actionPerformed(e);
117 }
118 }
119 }
120
121 public void addActionListener(ActionListener l) {
122 if (listeners == null) {
123 listeners = new EventListenerList ();
124 }
125 listeners.add(ActionListener .class, l);
126 }
127
128 public void removeActionListener(ActionListener l) {
129 if (listeners == null) {
130 return;
131 }
132 listeners.remove(ActionListener .class, l);
133 }
134
135
141 public ImageIcon getIcon(String name) {
142 if (name != null) {
143 String imagePath = JLF_IMAGE_DIR + name;
144 URL url = this.getClass().getResource(imagePath);
145 if (url != null) return new ImageIcon (url);
146 }
147 return null;
148 }
149 }
150
151
152 |
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