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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.draw2d.geometry.Point;
15 import org.eclipse.gef.EditPart;
16 import org.eclipse.gef.commands.Command;
17
18 import com.nightlabs.editor2d.DrawComponent;
19 import com.nightlabs.editor2d.EditorPlugin;
20 import com.nightlabs.editor2d.request.EditorRotateCenterRequest;
21 import com.nightlabs.editor2d.util.EditorUtil;
22
23
24 public class RotateCenterCommand
25 extends Command
26 {
27 protected Map dc2RotationCenter;
28 protected EditorRotateCenterRequest request;
29
30 protected Point rotationCenter;
31 public Point getRotationCenter() {
32 return rotationCenter;
33 }
34 public void setRotationCenter(Point rotationCenter) {
35 this.rotationCenter = rotationCenter;
36 }
37
38 protected boolean multiple = false;
39 public boolean isMultiple() {
40 return multiple;
41 }
42 public void setMultiple(boolean multiple) {
43 this.multiple = multiple;
44 }
45
46 public RotateCenterCommand(EditorRotateCenterRequest request)
47 {
48 super();
49 this.request = request;
50 this.multiple = request.isMultiple();
51 setLabel(EditorPlugin.getResourceString("command.rotate.center"));
52 }
53
54 public void execute()
55 {
56 dc2RotationCenter = new HashMap (request.getEditParts().size());
57 for (Iterator it = request.getEditParts().iterator(); it.hasNext(); )
58 {
59 EditPart editPart = (EditPart) it.next();
60 DrawComponent dc = (DrawComponent) editPart.getModel();
61 Point oldRotationCenter = new Point(dc.getRotationX(), dc.getRotationY());
62 dc2RotationCenter.put(dc, oldRotationCenter);
63 if (isMultiple()) {
64 dc.setTmpRotationX(rotationCenter.x);
65 dc.setTmpRotationY(rotationCenter.y);
66 } else {
67 dc.setRotationX(rotationCenter.x);
68 dc.setRotationY(rotationCenter.y);
69 }
70 }
71 EditorUtil.selectEditParts(request.getEditParts());
72 }
73
74 public void redo()
75 {
76 for (Iterator it = dc2RotationCenter.keySet().iterator(); it.hasNext(); )
77 {
78 DrawComponent dc = (DrawComponent) it.next();
79 if (isMultiple()) {
80 dc.setTmpRotationX(rotationCenter.x);
81 dc.setTmpRotationY(rotationCenter.y);
82 } else {
83 dc.setRotationX(rotationCenter.x);
84 dc.setRotationY(rotationCenter.y);
85 }
86 }
87 EditorUtil.selectEditParts(request.getEditParts());
88 }
89
90 public void undo()
91 {
92 for (Iterator it = dc2RotationCenter.keySet().iterator(); it.hasNext(); )
93 {
94 DrawComponent dc = (DrawComponent) it.next();
95 Point oldRotationCenter = (Point) dc2RotationCenter.get(dc);
96 if (isMultiple()) {
97 dc.setTmpRotationX(DrawComponent.ROTATION_X_DEFAULT);
98 dc.setTmpRotationY(DrawComponent.ROTATION_Y_DEFAULT);
99 } else {
100 dc.setRotationX(oldRotationCenter.x);
101 dc.setRotationY(oldRotationCenter.y);
102 }
103 }
104 EditorUtil.selectEditParts(request.getEditParts());
105 }
106 }
107 |
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