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comparison dwtx/draw2d/XYAnchor.d @ 98:95307ad235d9

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Added Draw2d code, still work in progress
author Frank Benoit <benoit@tionex.de>
date Sun, 03 Aug 2008 00:52:14 +0200
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96:b492ba44e44d 98:95307ad235d9
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 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 *******************************************************************************/
13 module dwtx.draw2d.XYAnchor;
14
15 import dwt.dwthelper.utils;
16
17 import dwtx.draw2d.geometry.Point;
18 import dwtx.draw2d.ConnectionAnchorBase;
19 import dwtx.draw2d.IFigure;
20
21 /**
22 * Supports an anchor in the XY layout. This anchor exists independently without an owner.
23 */
24 public class XYAnchor
25 : ConnectionAnchorBase
26 {
27
28 private Point location;
29
30 /**
31 * Constructs an XYAnchor at the Point p.
32 *
33 * @param p the point where this anchor will be located
34 * @since 2.0
35 */
36 public this(Point p) {
37 location = new Point(p);
38 }
39
40 /**
41 * Returns the location of this anchor relative to the reference point given in as input.
42 * Since this is XY layout, the location of the point is independent of the reference
43 * point.
44 *
45 * @see ConnectionAnchor#getLocation(Point)
46 */
47 public Point getLocation(Point reference) {
48 return location;
49 }
50
51 /**
52 * Returns <code>null</code> as these anchors inherently do not depend on other figures
53 * for their location.
54 *
55 * @see ConnectionAnchor#getOwner()
56 * @since 2.0
57 */
58 public IFigure getOwner() {
59 return null;
60 }
61
62 /**
63 * Returns the point which is used as the reference by this connection anchor. In the case
64 * of the XYAnchor, this point is the same as its location.
65 *
66 * @see ConnectionAnchor#getReferencePoint()
67 */
68 public Point getReferencePoint() {
69 return location;
70 }
71
72 /**
73 * Sets the location of this anchor and notifies all the listeners of the update.
74 *
75 * @param p the new location of this anchor
76 * @see #getLocation(Point)
77 * @since 2.0
78 */
79 public void setLocation(Point p) {
80 location.setLocation(p);
81 fireAnchorMoved();
82 }
83
84 }