01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * Contributor(s):
25: *
26: * The Original Software is NetBeans. The Initial Developer of the Original
27: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
28: * Microsystems, Inc. All Rights Reserved.
29: *
30: * If you wish your version of this file to be governed by only the CDDL
31: * or only the GPL Version 2, indicate your decision by adding
32: * "[Contributor] elects to include this software in this distribution
33: * under the [CDDL or GPL Version 2] license." If you do not indicate a
34: * single choice of license, a recipient has the option to distribute
35: * your version of this file under either the CDDL, the GPL Version 2 or
36: * to extend the choice of license to its licensees as provided above.
37: * However, if you add GPL Version 2 code and therefore, elected the GPL
38: * Version 2 license, then the option applies only if the new code is
39: * made subject to such option by the copyright holder.
40: */
41: /*
42: * ComponentConverter.java
43: *
44: * Created on March 28, 2004, 9:20 PM
45: */
46:
47: package org.netbeans.swing.tabcontrol;
48:
49: import java.awt.*;
50:
51: /**
52: * A class which can provide a component corresponding to a TabData object.
53: * While TabData.getComponent can provide a Component via its getComponent()
54: * method, there are use cases where the tabbed container should contain a
55: * single component, and the data model should be used to control it (the
56: * tabbed form of NetBeans' property sheet is one example).
57: * <p>
58: * A ComponentConvertor can be plugged into an instance of TabbedContainer
59: * to enable it to display, for example, the same component for all tabs, which a listener
60: * on its selection model will reconfigure for the selected tab; or it can
61: * be used for lazy initialization, to construct components on demand.
62: *
63: * @author Tim Boudreau
64: */
65: public interface ComponentConverter {
66: Component getComponent(TabData data);
67:
68: /** A default implementation which simply delegates to
69: * TabData.getComponent() */
70: static final ComponentConverter DEFAULT = new ComponentConverter() {
71: public Component getComponent(TabData data) {
72: return data.getComponent();
73: }
74: };
75:
76: /** A ComponentConverter implementation which always returns the same
77: * component */
78: public static final class Fixed implements ComponentConverter {
79: private final Component component;
80:
81: public Fixed(Component component) {
82: this .component = component;
83: }
84:
85: public Component getComponent(TabData data) {
86: return component;
87: }
88: }
89: }
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