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Java > Open Source Codes > org > lobobrowser > util > gui > WrapperLayout


1 /*
2     GNU LESSER GENERAL PUBLIC LICENSE
3     Copyright (C) 2006 The Lobo Project
4
5     This library is free software; you can redistribute it and/or
6     modify it under the terms of the GNU Lesser General Public
7     License as published by the Free Software Foundation; either
8     version 2.1 of the License, or (at your option) any later version.
9
10     This library is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13     Lesser General Public License for more details.
14
15     You should have received a copy of the GNU Lesser General Public
16     License along with this library; if not, write to the Free Software
17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19     Contact info: xamjadmin@users.sourceforge.net
20 */

21 /*
22  * Created on Mar 19, 2005
23  */

24 package org.lobobrowser.util.gui;
25
26 import java.awt.Component JavaDoc;
27 import java.awt.Container JavaDoc;
28 import java.awt.Dimension JavaDoc;
29 import java.awt.LayoutManager JavaDoc;
30
31 /**
32  * @author J. H. S.
33  */

34 public class WrapperLayout implements LayoutManager JavaDoc {
35     /* (non-Javadoc)
36      * @see java.awt.LayoutManager#addLayoutComponent(java.lang.String, java.awt.Component)
37      */

38     public void addLayoutComponent(String JavaDoc arg0, Component JavaDoc arg1) {
39     }
40
41     /* (non-Javadoc)
42      * @see java.awt.LayoutManager#removeLayoutComponent(java.awt.Component)
43      */

44     public void removeLayoutComponent(Component JavaDoc arg0) {
45     }
46
47     /* (non-Javadoc)
48      * @see java.awt.LayoutManager#preferredLayoutSize(java.awt.Container)
49      */

50     public Dimension JavaDoc preferredLayoutSize(Container JavaDoc arg0) {
51         java.awt.Insets JavaDoc insets = arg0.getInsets();
52         int count = arg0.getComponentCount();
53         if(count > 0) {
54             Dimension JavaDoc d = arg0.getComponent(0).getPreferredSize();
55             return new Dimension JavaDoc(d.width + insets.left + insets.right,
56                                  d.height + insets.top + insets.bottom);
57         }
58         else {
59             return new Dimension JavaDoc(insets.left + insets.right, insets.top + insets.bottom);
60         }
61     }
62
63     /* (non-Javadoc)
64      * @see java.awt.LayoutManager#minimumLayoutSize(java.awt.Container)
65      */

66     public Dimension JavaDoc minimumLayoutSize(Container JavaDoc arg0) {
67         java.awt.Insets JavaDoc insets = arg0.getInsets();
68         int count = arg0.getComponentCount();
69         if(count > 0) {
70             Dimension JavaDoc d = arg0.getComponent(0).getMinimumSize();
71             return new Dimension JavaDoc(d.width + insets.left + insets.right,
72                      d.height + insets.top + insets.bottom);
73         }
74         else {
75             return new Dimension JavaDoc(insets.left + insets.right, insets.top + insets.bottom);
76         }
77     }
78
79     /* (non-Javadoc)
80      * @see java.awt.LayoutManager#layoutContainer(java.awt.Container)
81      */

82     public void layoutContainer(Container JavaDoc arg0) {
83         int count = arg0.getComponentCount();
84         if(count > 0) {
85             Component JavaDoc child = arg0.getComponent(0);
86             java.awt.Insets JavaDoc insets = arg0.getInsets();
87             child.setBounds(insets.left, insets.top, arg0.getWidth() - insets.left - insets.right, arg0.getHeight() - insets.top - insets.bottom);
88         }
89     }
90     
91     private static WrapperLayout instance = new WrapperLayout();
92     
93     public static WrapperLayout getInstance() {
94         return instance;
95     }
96 }
97
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