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comparison org.eclipse.jface/src/org/eclipse/jface/dialogs/ControlAnimator.d @ 12:bc29606a740c

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Added dwt-addons in original directory structure of eclipse.org
author Frank Benoit <benoit@tionex.de>
date Sat, 14 Mar 2009 18:23:29 +0100
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11:43904fec5dca 12:bc29606a740c
1 /*******************************************************************************
2 * Copyright (c) 2006 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 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 ******************************************************************************/
13
14 module org.eclipse.jface.dialogs.ControlAnimator;
15
16 import java.lang.all;
17
18 import org.eclipse.swt.graphics.Point;
19 import org.eclipse.swt.graphics.Rectangle;
20 import org.eclipse.swt.widgets.Control;
21
22 /**
23 * ControlAnimator provides a simple implementation to display or hide a control
24 * at the bottom of the parent composite. Other animations will be written as
25 * subclasses of this class. <p>
26 * Instances of this class can be created using an AnimatorFactory.
27 *
28 * @since 3.2
29 */
30
31
32 public class ControlAnimator {
33 /** the control that will be displayed or hidden */
34 protected Control control;
35
36 /**
37 * Constructs a new ControlAnimator instance and passes along the
38 * control that will be displayed or hidden.
39 *
40 * @param control the control that will be displayed or hidden.
41 */
42 public this(Control control) {
43 this.control = control;
44 }
45
46 /**
47 * Displays or hides a control at the bottom of the parent composite
48 * and makes use of the control's SWT visible flag.<p>
49 * Subclasses should override this method.</p>
50 *
51 * @param visible <code>true</code> if the control should be shown,
52 * and <code>false</code> otherwise.
53 */
54 public void setVisible(bool visible){
55 // Using the SWT visible flag to determine if the control has
56 // already been displayed or hidden. Return if already displayed
57 // and visible is true, or if already hidden and visible is false.
58 if (!(control.isVisible() ^ visible))
59 return;
60 control.setVisible(visible);
61 Rectangle parentBounds = control.getParent().getBounds();
62 int bottom = parentBounds.height;
63 int endY = visible ? bottom - control.getBounds().height
64 : bottom;
65 Point loc = control.getLocation();
66 control.setLocation(loc.x,endY);
67 }
68
69 }