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8 package com.nightlabs.editor2d.command;
9
10 import java.awt.geom.AffineTransform  ;
11 import java.util.HashMap ;
12 import java.util.Iterator ;
13 import java.util.List ;
14 import java.util.Map ;
15
16 import org.eclipse.gef.EditPart;
17 import org.eclipse.gef.commands.Command;
18
19 import com.nightlabs.editor2d.DrawComponent;
20 import com.nightlabs.editor2d.EditorPlugin;
21
22
23 public abstract class AbstractTransformCommand
24 extends Command
25 {
26 protected Map dc2AffineTransform;
27 public AbstractTransformCommand()
28 {
29 super();
30 setLabel(EditorPlugin.getResourceString("command.transform"));
31 }
32
33 protected List editParts;
34 public List getEditParts() {
35 return editParts;
36 }
37 public void setEditParts(List editParts) {
38 this.editParts = editParts;
39 }
40
41 protected AffineTransform affineTransform;
42 public AffineTransform getAffineTransform() {
43 return affineTransform;
44 }
45 public void setAffineTransform(AffineTransform affineTransform) {
46 this.affineTransform = affineTransform;
47 }
48
49 public void execute()
50 {
51 dc2AffineTransform = new HashMap (getEditParts().size());
52 for (Iterator it = getEditParts().iterator(); it.hasNext(); )
53 {
54 EditPart editPart = (EditPart) it.next();
55 DrawComponent dc = (DrawComponent) editPart.getModel();
56 AffineTransform oldAffineTransform = dc.getAffineTransform();
57 dc2AffineTransform.put(dc, oldAffineTransform);
58 AffineTransform at = new AffineTransform (oldAffineTransform);
59 at.preConcatenate(getAffineTransform());
60 dc.setAffineTransform(at);
61 }
62 }
63 public void redo()
64 {
65 for (Iterator it = dc2AffineTransform.keySet().iterator(); it.hasNext(); )
66 {
67 DrawComponent dc = (DrawComponent) it.next();
68 dc.setAffineTransform(getAffineTransform());
69 }
70 }
71 public void undo()
72 {
73 for (Iterator it = dc2AffineTransform.keySet().iterator(); it.hasNext(); )
74 {
75 DrawComponent dc = (DrawComponent) it.next();
76 AffineTransform oldAffineTransform = (AffineTransform ) dc2AffineTransform.get(dc);
77 dc.setAffineTransform(oldAffineTransform);
78 }
79 }
80 }
81 |
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