| /******************************************************************************* |
| * Copyright (c) 2007 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.wst.internet.monitor.ui.internal.custom; |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.widgets.*; |
| /** |
| * This Layout stacks all the controls one on top of the other and resizes all controls |
| * to have the same size and location. |
| * The control specified in topControl is visible and all other controls are not visible. |
| * Users must set the topControl value to flip between the visible items and then call |
| * layout() on the composite which has the MonitorStackLayout. |
| */ |
| public class MonitorStackLayout extends Layout { |
| /** |
| * topControl the Control that is displayed at the top of the stack. |
| * All other controls that are children of the parent composite will not be visible. |
| */ |
| public Control topControl; |
| |
| protected Point computeSize(Composite composite, int wHint, int hHint, boolean flushCache) { |
| Control children[] = composite.getChildren(); |
| int maxWidth = 0; |
| int maxHeight = 0; |
| for (int i = 0; i < children.length; i++) { |
| if (children[i] == topControl) { |
| Point size = children[i].computeSize(wHint, hHint, flushCache); |
| maxWidth = Math.max(size.x, maxWidth); |
| maxHeight = Math.max(size.y, maxHeight); |
| } |
| } |
| int width = maxWidth; |
| int height = maxHeight; |
| if (wHint != SWT.DEFAULT) |
| width = wHint; |
| if (hHint != SWT.DEFAULT) |
| height = hHint; |
| return new Point(width, height); |
| } |
| |
| protected boolean flushCache(Control control) { |
| return true; |
| } |
| |
| protected void layout(Composite composite, boolean flushCache) { |
| Control children[] = composite.getChildren(); |
| Rectangle rect = composite.getClientArea(); |
| for (int i = 0; i < children.length; i++) { |
| if (children[i] instanceof Label) { |
| Rectangle r = new Rectangle(rect.x+2, rect.y, rect.width-2, rect.height); |
| children[i].setBounds(r); |
| } else |
| children[i].setBounds(rect); |
| children[i].setVisible(children[i] == topControl); |
| } |
| } |
| |
| public String toString() { |
| return "MonitorStackLayout"; |
| } |
| } |