|
1
8 package com.nightlabs.editor2d.tools;
9
10 import org.apache.log4j.Logger;
11 import org.eclipse.draw2d.geometry.Point;
12 import org.eclipse.gef.Request;
13 import org.eclipse.swt.graphics.Cursor;
14
15 import com.nightlabs.editor2d.custom.EditorCursors;
16 import com.nightlabs.editor2d.edit.AbstractDrawComponentEditPart;
17 import com.nightlabs.editor2d.request.EditorRotateRequest;
18 import com.nightlabs.editor2d.util.EditorUtil;
19
20 public class RotateTracker
21 extends AbstractDragTracker
22 {
23 public static final Logger LOGGER = Logger.getLogger(RotateTracker.class);
24 protected int direction;
25
26 public RotateTracker(AbstractDrawComponentEditPart owner, int direction)
27 {
28 super(owner);
29 this.direction = direction;
30 }
31
32 protected AbstractDrawComponentEditPart getAbstractDrawComponentEditPart() {
33 return (AbstractDrawComponentEditPart) owner;
34 }
35
36
39 protected Request createSourceRequest()
40 {
41 EditorRotateRequest rotateRequest = new EditorRotateRequest();
42 rotateRequest.setType(REQ_ROTATE);
43 rotateRequest.setLocation(getLocation());
44 rotateRequest.setEditParts(getCurrentViewer().getSelectedEditParts());
45 return rotateRequest;
46 }
47
48 protected String  getCommandName()
49 {
50 return REQ_ROTATE;
51 }
52
53
56 protected Cursor getDefaultCursor()
57 {
58 return EditorCursors.ROTATE;
59 }
60
61 protected Point rotationCenter;
62
63
66 protected void updateSourceRequest()
67 {
68 if (getEditorRotateRequest().getRotationCenter() == null && owner != null)
69 {
70 if (getEditorRotateRequest().getEditParts().size() > 1) {
71 rotationCenter = EditorUtil.getCenter(getEditorRotateRequest().getEditParts());
72 getEditorRotateRequest().setRotationCenter(rotationCenter);
73 getEditorRotateRequest().setMultiple(true);
74 }
75 else {
76 rotationCenter = new Point(getAbstractDrawComponentEditPart().getDrawComponent().getRotationX(),
77 getAbstractDrawComponentEditPart().getDrawComponent().getRotationY());
78 getEditorRotateRequest().setRotationCenter(rotationCenter);
79 getEditorRotateRequest().setMultiple(false);
80 }
81 }
82 getEditorRotateRequest().setLocation(getLocation());
83
84 LOGGER.debug("updateSourceRequest.rotation = "+getEditorRotateRequest().getRotation());
85 LOGGER.debug("rotationCenter = "+rotationCenter);
86 LOGGER.debug("location = "+getLocation());
87 }
88
89 protected EditorRotateRequest getEditorRotateRequest()
90 {
91 return (EditorRotateRequest) getSourceRequest();
92 }
93
94 protected String getDebugName()
95 {
96 return "Rotate Handle Tracker"; }
98
99 protected void performSelection()
101 {
102
103 }
104 }
105
|
Popular Tags
|
Java API By Example, From Geeks To Geeks.