| /******************************************************************************* |
| * Copyright (c) 2004, 2005 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 |
| *******************************************************************************/ |
| |
| package org.eclipse.ui.internal.layout; |
| |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Layout; |
| import org.eclipse.swt.widgets.Shell; |
| |
| /** |
| * Contains various methods for manipulating layouts |
| * |
| * @since 3.0 |
| */ |
| public class LayoutUtil { |
| |
| /** |
| * Should be called whenever a control's contents have changed. Will |
| * trigger a layout parent controls if necessary. |
| * |
| * @param changedControl |
| */ |
| public static void resize(Control changedControl) { |
| Composite parent = changedControl.getParent(); |
| |
| Layout parentLayout = parent.getLayout(); |
| |
| if (parentLayout instanceof ICachingLayout) { |
| ((ICachingLayout) parentLayout).flush(changedControl); |
| } |
| |
| if (parent instanceof Shell) { |
| parent.layout(true); |
| } else { |
| Rectangle currentBounds = parent.getBounds(); |
| |
| resize(parent); |
| |
| // If the parent was resized, then it has already triggered a |
| // layout. Otherwise, we need to manually force it to layout again. |
| if (currentBounds.equals(parent.getBounds())) { |
| parent.layout(true); |
| } |
| } |
| } |
| } |