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Java > Open Source Codes > org > nightlabs > editor2d > command > MoveGuideCommand


1 /* *****************************************************************************
2  * NightLabs Editor2D - Graphical editor framework *
3  * Copyright (C) 2004-2005 NightLabs - http://NightLabs.org *
4  * Project author: Daniel Mazurek <Daniel.Mazurek [at] nightlabs [dot] org> *
5  * *
6  * This library is free software; you can redistribute it and/or *
7  * modify it under the terms of the GNU Lesser General Public *
8  * License as published by the Free Software Foundation; either *
9  * version 2.1 of the License, or (at your option) any later version. *
10  * *
11  * This library is distributed in the hope that it will be useful, *
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
14  * Lesser General Public License for more details. *
15  * *
16  * You should have received a copy of the GNU Lesser General Public *
17  * License along with this library; if not, write to the *
18  * Free Software Foundation, Inc., *
19  * 51 Franklin St, Fifth Floor, *
20  * Boston, MA 02110-1301 USA *
21  * *
22  * Or get it online : *
23  * http://www.gnu.org/copyleft/lesser.html *
24  * *
25  * *
26  ******************************************************************************/
27
28 package org.nightlabs.editor2d.command;
29
30 import java.util.Iterator JavaDoc;
31
32 import org.eclipse.draw2d.geometry.Point;
33 import org.eclipse.gef.commands.Command;
34
35 import org.nightlabs.editor2d.DrawComponent;
36 import org.nightlabs.editor2d.EditorGuide;
37 import org.nightlabs.editor2d.EditorPlugin;
38
39 public class MoveGuideCommand
40 extends Command
41 {
42   private int pDelta;
43   private EditorGuide guide;
44     
45   public MoveGuideCommand(EditorGuide guide, int positionDelta) {
46     super(EditorPlugin.getResourceString("command.move.guide"));
47     this.guide = guide;
48     pDelta = positionDelta;
49   }
50
51   public void execute()
52   {
53     guide.setPosition(guide.getPosition() + pDelta);
54     Iterator JavaDoc iter = guide.getMap().keySet().iterator();
55     while (iter.hasNext()) {
56         DrawComponent part = (DrawComponent)iter.next();
57         Point location = new Point(part.getX(), part.getY()).getCopy();
58 // Point location = part.getLocation().getCopy();
59 // Point location = new Point(part.getX(), part.getY());
60
61         if (guide.isHorizontal()) {
62             location.y += pDelta;
63         } else {
64             location.x += pDelta;
65         }
66 // part.setLocation(location);
67 part.setX(location.x);
68         part.setY(location.y);
69     }
70   }
71
72   public void undo() {
73     guide.setPosition(guide.getPosition() - pDelta);
74     Iterator JavaDoc iter = guide.getMap().keySet().iterator();
75     while (iter.hasNext()) {
76       DrawComponent part = (DrawComponent)iter.next();
77 // Point location = part.getLocation().getCopy();
78 Point location = new Point(part.getX(), part.getY());
79         if (guide.isHorizontal()) {
80             location.y -= pDelta;
81         } else {
82             location.x -= pDelta;
83         }
84 // part.setLocation(location);
85 part.setX(location.x);
86         part.setY(location.y);
87     }
88   }
89   
90 }
91
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