01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: /**
18: * @author Michael Danilov
19: * @version $Revision$
20: */package java.awt.event;
21:
22: import java.awt.Component;
23:
24: public class FocusEvent extends ComponentEvent {
25:
26: private static final long serialVersionUID = 523753786457416396L;
27:
28: public static final int FOCUS_FIRST = 1004;
29:
30: public static final int FOCUS_LAST = 1005;
31:
32: public static final int FOCUS_GAINED = 1004;
33:
34: public static final int FOCUS_LOST = 1005;
35:
36: private boolean temporary;
37: private Component opposite;
38:
39: public FocusEvent(Component source, int id) {
40: this (source, id, false);
41: }
42:
43: public FocusEvent(Component source, int id, boolean temporary) {
44: this (source, id, temporary, null);
45: }
46:
47: public FocusEvent(Component source, int id, boolean temporary,
48: Component opposite) {
49: super (source, id);
50: this .temporary = temporary;
51: this .opposite = opposite;
52: }
53:
54: public Component getOppositeComponent() {
55: return opposite;
56: }
57:
58: public boolean isTemporary() {
59: return temporary;
60: }
61:
62: @Override
63: public String paramString() {
64: /* The format is based on 1.5 release behavior
65: * which can be revealed by the following code:
66: *
67: * FocusEvent e = new FocusEvent(new Button("Button0"),
68: * FocusEvent.FOCUS_GAINED, false, new Button("Button1"));
69: * System.out.println(e);
70: */
71:
72: String idString = null;
73:
74: switch (id) {
75: case FOCUS_GAINED:
76: idString = "FOCUS_GAINED"; //$NON-NLS-1$
77: break;
78: case FOCUS_LOST:
79: idString = "FOCUS_LOST"; //$NON-NLS-1$
80: break;
81: default:
82: idString = "unknown type"; //$NON-NLS-1$
83: }
84:
85: return (idString + (temporary ? ",temporary" : ",permanent") + //$NON-NLS-1$ //$NON-NLS-2$
86: ",opposite=" + opposite); //$NON-NLS-1$
87: }
88:
89: }
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