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


1 /*******************************************************************************
2  * Copyright (c) 2000, 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.ant.internal.ui.preferences;
12
13
14 import org.eclipse.swt.SWT;
15 import org.eclipse.swt.graphics.Point;
16 import org.eclipse.swt.graphics.Rectangle;
17 import org.eclipse.swt.widgets.Composite;
18 import org.eclipse.swt.widgets.Control;
19 import org.eclipse.swt.widgets.Layout;
20
21 public class TabFolderLayout extends Layout {
22
23     protected Point computeSize (Composite composite, int wHint, int hHint, boolean flushCache) {
24         if (wHint != SWT.DEFAULT && hHint != SWT.DEFAULT)
25             return new Point(wHint, hHint);
26             
27         Control [] children = composite.getChildren ();
28         int count = children.length;
29         int maxWidth = 0, maxHeight = 0;
30         for (int i=0; i<count; i++) {
31             Control child = children [i];
32             Point pt = child.computeSize (SWT.DEFAULT, SWT.DEFAULT, flushCache);
33             maxWidth = Math.max (maxWidth, pt.x);
34             maxHeight = Math.max (maxHeight, pt.y);
35         }
36         
37         if (wHint != SWT.DEFAULT)
38             maxWidth= wHint;
39         if (hHint != SWT.DEFAULT)
40             maxHeight= hHint;
41         
42         return new Point(maxWidth, maxHeight);
43         
44     }
45     
46     protected void layout (Composite composite, boolean flushCache) {
47         Rectangle rect= composite.getClientArea();
48     
49         Control[] children = composite.getChildren();
50         for (int i = 0; i < children.length; i++) {
51             children[i].setBounds(rect);
52         }
53     }
54 }
55
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