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1
21
22 package org.armedbear.j;
23
24 import javax.swing.KeyStroke  ;
25
26 public class KeyMapping implements Constants
27 {
28 private final char keyChar;
29 private final int keyCode;
30 private final int modifiers;
31 private final Object command;
32
33 public KeyMapping(int keyCode, int modifiers, Object command)
34 {
35 this.keyChar = 0;
36 this.keyCode = keyCode;
37 this.modifiers = modifiers;
38 if (command instanceof String )
39 this.command = ((String )command).intern();
40 else
41 this.command = command;
42 }
43
44 public KeyMapping(char keyChar, Object command)
45 {
46 this.keyChar = keyChar;
47 this.keyCode = 0;
48 this.modifiers = 0;
49 if (command instanceof String )
50 this.command = ((String )command).intern();
51 else
52 this.command = command;
53 }
54
55 private KeyMapping(KeyStroke keyStroke, String command)
56 {
57 char c = keyStroke.getKeyChar();
58 keyChar = c == 0xffff ? 0 : c;
59 keyCode = keyStroke.getKeyCode();
60 modifiers = keyStroke.getModifiers() & 0x0f;
62 if (command != null)
63 this.command = command.intern();
64 else
65 this.command = null;
66 }
67
68 public static KeyMapping createKeyMapping(String s)
70 {
71 s = s.trim();
72 String parameters = null;
73 int index = s.indexOf('(');
74 if (index >= 0) {
75 parameters = s.substring(index);
76 s = s.substring(0, index).trim();
77 }
78 index = s.lastIndexOf(' ');
79 if (index < 0)
80 return null;
81 String keyText = s.substring(0, index).trim();
82 String command = s.substring(index + 1).trim();
83 if (parameters != null)
84 command += parameters;
85 return createKeyMapping(keyText, command);
86 }
87
88 private static KeyMapping createKeyMapping(String keyText, String command)
89 {
90 KeyStroke keyStroke = Utilities.getKeyStroke(keyText);
91 if (keyStroke == null)
92 return null;
93 if (command != null)
94 command = command.trim();
95 return new KeyMapping(keyStroke, command);
96 }
97
98 public final char getKeyChar()
99 {
100 return keyChar;
101 }
102
103 public final int getKeyCode()
104 {
105 return keyCode;
106 }
107
108 public final int getModifiers()
109 {
110 return modifiers;
111 }
112
113 public final Object getCommand()
114 {
115 return command;
116 }
117
118 public String toString()
119 {
120 FastStringBuffer sb = new FastStringBuffer(64);
121 sb.append(Utilities.getKeyText(keyChar, keyCode, modifiers));
122 if (command != null) {
123 while (sb.length() < 32)
124 sb.append(' ');
125 sb.append(command);
126 }
127 return sb.toString();
128 }
129
130 public final String getKeyText()
131 {
132 return Utilities.getKeyText(keyChar, keyCode, modifiers);
133 }
134 }
135 |
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