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Java > Open Source Codes > org > eclipse > pde > internal > ui > preferences > TabFolderLayout


1 /*******************************************************************************
2  * Copyright (c) 2005 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.pde.internal.ui.preferences;
12
13 import org.eclipse.swt.SWT;
14 import org.eclipse.swt.graphics.Point;
15 import org.eclipse.swt.graphics.Rectangle;
16 import org.eclipse.swt.widgets.Composite;
17 import org.eclipse.swt.widgets.Control;
18 import org.eclipse.swt.widgets.Layout;
19
20 public class TabFolderLayout extends Layout {
21
22     protected Point computeSize (Composite composite, int wHint, int hHint, boolean flushCache) {
23         if (wHint != SWT.DEFAULT && hHint != SWT.DEFAULT)
24             return new Point(wHint, hHint);
25             
26         Control [] children = composite.getChildren ();
27         int count = children.length;
28         int maxWidth = 0, maxHeight = 0;
29         for (int i=0; i<count; i++) {
30             Control child = children [i];
31             Point pt = child.computeSize (SWT.DEFAULT, SWT.DEFAULT, flushCache);
32             maxWidth = Math.max (maxWidth, pt.x);
33             maxHeight = Math.max (maxHeight, pt.y);
34         }
35         
36         if (wHint != SWT.DEFAULT)
37             maxWidth= wHint;
38         if (hHint != SWT.DEFAULT)
39             maxHeight= hHint;
40         
41         return new Point(maxWidth, maxHeight);
42         
43     }
44     
45     protected void layout (Composite composite, boolean flushCache) {
46         Rectangle rect= composite.getClientArea();
47     
48         Control[] children = composite.getChildren();
49         for (int i = 0; i < children.length; i++) {
50             children[i].setBounds(rect);
51         }
52     }
53
54 }
55
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