bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/preferences/TabFolderLayout.java

/*******************************************************************************
 * Copyright (c) 2001, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Jens Lukowski/Innoopract - initial renaming/restructuring
 *     
 *******************************************************************************/
package org.eclipse.wst.sse.ui.internal.preferences;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Layout;

/**
 * Copied from JDT
 * 
 * @author pavery
 */
public class TabFolderLayout extends Layout {

	protected Point computeSize(Composite composite, int wHint, int hHint, boolean flushCache) {
		if (wHint != SWT.DEFAULT && hHint != SWT.DEFAULT)
			return new Point(wHint, hHint);

		Control[] children = composite.getChildren();
		int count = children.length;
		int maxWidth = 0, maxHeight = 0;
		for (int i = 0; i < count; i++) {
			Control child = children[i];
			Point pt = child.computeSize(SWT.DEFAULT, SWT.DEFAULT, flushCache);
			maxWidth = Math.max(maxWidth, pt.x);
			maxHeight = Math.max(maxHeight, pt.y);
		}

		if (wHint != SWT.DEFAULT)
			maxWidth = wHint;
		if (hHint != SWT.DEFAULT)
			maxHeight = hHint;

		return new Point(maxWidth, maxHeight);

	}

	protected void layout(Composite composite, boolean flushCache) {
		Rectangle rect = composite.getClientArea();

		Control[] children = composite.getChildren();
		for (int i = 0; i < children.length; i++) {
			children[i].setBounds(rect);
		}
	}
}