|
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.apache.log4j.Logger;
15 import org.eclipse.draw2d.geometry.Point;
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 import com.nightlabs.editor2d.request.EditorRotateRequest;
22
23 public class RotateCommand
24 extends Command
25 {
26 public static final Logger LOGGER = Logger.getLogger(RotateCommand.class);
27 protected Map dc2Rotation;
28 protected Map dc2RotationCenter;
29 protected EditorRotateRequest request;
30 protected boolean multiple;
31 protected Point rotationCenter;
32
33 public RotateCommand(EditorRotateRequest request)
34 {
35 super();
36 setLabel(EditorPlugin.getResourceString("command.rotate"));
37 this.request = request;
38 this.multiple = request.isMultiple();
39 this.rotationCenter = request.getRotationCenter();
40 }
41
42 public void execute()
43 {
44 dc2Rotation = new HashMap (request.getEditParts().size());
45 dc2RotationCenter = new HashMap (request.getEditParts().size());
46 for (Iterator it = request.getEditParts().iterator(); it.hasNext(); )
47 {
48 EditPart editPart = (EditPart) it.next();
49 DrawComponent dc = (DrawComponent) editPart.getModel();
50 dc2Rotation.put(dc, new Double (dc.getRotation()));
51 if (multiple) {
52 dc2RotationCenter.put(dc, new Point(dc.getTmpRotationX(), dc.getTmpRotationY()));
53 } else {
54 dc2RotationCenter.put(dc, new Point(dc.getRotationX(), dc.getRotationY()));
55 }
56 double realRotation = rotation + dc.getRotation();
57 if (multiple) {
58 dc.setTmpRotationX(rotationCenter.x);
59 dc.setTmpRotationY(rotationCenter.y);
60 } else {
61 dc.setRotationX(rotationCenter.x);
62 dc.setRotationY(rotationCenter.y);
63 }
64 dc.setRotation(realRotation);
65 dc.setTmpRotationX(DrawComponent.ROTATION_X_DEFAULT);
66 dc.setTmpRotationY(DrawComponent.ROTATION_Y_DEFAULT);
67 }
68 }
69
70 public void redo()
71 {
72 for (Iterator it = dc2Rotation.keySet().iterator(); it.hasNext(); )
73 {
74 DrawComponent dc = (DrawComponent) it.next();
75 if (multiple) {
76 dc.setTmpRotationX(rotationCenter.x);
77 dc.setTmpRotationY(rotationCenter.y);
78 } else {
79 dc.setRotationX(rotationCenter.x);
80 dc.setRotationY(rotationCenter.y);
81 }
82 double realRotation = rotation + dc.getRotation();
83 dc.setRotation(realRotation);
84 dc.setTmpRotationX(DrawComponent.ROTATION_X_DEFAULT);
85 dc.setTmpRotationY(DrawComponent.ROTATION_Y_DEFAULT);
86 }
87 }
88
89 public void undo()
90 {
91 for (Iterator it = dc2Rotation.keySet().iterator(); it.hasNext(); )
92 {
93 DrawComponent dc = (DrawComponent) it.next();
94 double oldRotation = ((Double )dc2Rotation.get(dc)).doubleValue();
95 Point oldRotationCenter = (Point) dc2RotationCenter.get(dc);
96 if (multiple) {
97 dc.setTmpRotationX(rotationCenter.x);
98 dc.setTmpRotationY(rotationCenter.y);
99 } else {
100 dc.setRotationX(oldRotationCenter.x);
101 dc.setRotationY(oldRotationCenter.y);
102 }
103 dc.setRotation(oldRotation);
104 dc.setTmpRotationX(DrawComponent.ROTATION_X_DEFAULT);
105 dc.setTmpRotationY(DrawComponent.ROTATION_Y_DEFAULT);
106 }
107 }
108
109 protected double rotation;
110 public double getRotation() {
111 return rotation;
112 }
113 public void setRotation(double rotation) {
114 this.rotation = rotation;
115 }
116 }
117 |
Popular Tags |
Java API By Example, From Geeks To Geeks.