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1
8 package com.nightlabs.editor2d.command;
9
10 import java.util.HashMap  ;
11 import java.util.Iterator ;
12 import java.util.Map ;
13
14 import org.eclipse.gef.commands.Command;
15
16 import com.nightlabs.editor2d.DrawComponent;
17 import com.nightlabs.editor2d.EditorGuide;
18 import com.nightlabs.editor2d.EditorPlugin;
19 import com.nightlabs.editor2d.EditorRuler;
20
21 public class DeleteGuideCommand
22 extends Command
23 {
24 private EditorRuler parent;
25 private EditorGuide guide;
26 private Map oldParts;
27
28 public DeleteGuideCommand(EditorGuide guide, EditorRuler parent) {
29 super(EditorPlugin.getResourceString("command_delete_guide"));
30 this.guide = guide;
31 this.parent = parent;
32 }
33
34 public boolean canUndo() {
35 return true;
36 }
37
38 public void execute()
39 {
40 oldParts = new HashMap (guide.getMap());
41 Iterator iter = oldParts.keySet().iterator();
42 while (iter.hasNext()) {
43 guide.detachPart((DrawComponent)iter.next());
44 }
45 parent.removeGuide(guide);
46 }
47
48 public void undo()
49 {
50 parent.addGuide(guide);
51 Iterator iter = oldParts.keySet().iterator();
52 while (iter.hasNext()) {
53 DrawComponent part = (DrawComponent)iter.next();
54 guide.attachPart(part, ((Integer )oldParts.get(part)).intValue());
55 }
56 }
57
58 }
59 |
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