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Java > Open Source Codes > com > nightlabs > editor2d > tools > ShapeEditTracker


1 /**
2  * <p> Project: com.nightlabs.editor2d </p>
3  * <p> Copyright: Copyright (c) 2004 </p>
4  * <p> Company: NightLabs GmbH (Germany) </p>
5  * <p> Creation Date: 13.01.2005 </p>
6  * <p> Author: Daniel Mazurek </p>
7 **/
8 package com.nightlabs.editor2d.tools;
9
10 import java.util.List JavaDoc;
11
12 import org.apache.log4j.Logger;
13 import org.eclipse.gef.EditPart;
14 import org.eclipse.gef.Request;
15
16 import com.nightlabs.editor2d.edit.ShapeDrawComponentEditPart;
17 import com.nightlabs.editor2d.j2d.GeneralShape;
18 import com.nightlabs.editor2d.request.EditorEditShapeRequest;
19
20 // TODO; Use SelectEditPartTracker instead to avoid multiple Selections
21 public class ShapeEditTracker
22 extends AbstractDragTracker
23 {
24   public static final Logger LOGGER = Logger.getLogger(ShapeEditTracker.class);
25   
26   protected ShapeDrawComponentEditPart getShapeDrawComponentEditPart() {
27     return (ShapeDrawComponentEditPart) owner;
28   }
29   protected GeneralShape getGeneralShape() {
30     return getShapeDrawComponentEditPart().getGeneralShape();
31   }
32 // protected ShapeFigure sourceFigure;
33 protected int pathSegmentIndex;
34   
35   public ShapeEditTracker(ShapeDrawComponentEditPart owner, int pathSegmentIndex)
36   {
37     super(owner);
38     this.pathSegmentIndex = pathSegmentIndex;
39   }
40   
41   protected String JavaDoc getCommandName() {
42     return REQ_EDIT_SHAPE;
43   }
44   
45   /**
46    * @see org.eclipse.gef.tools.AbstractTool#deactivate()
47    */
48   public void deactivate()
49   {
50     super.deactivate();
51 // sourceFigure = null;
52 }
53         
54   /**
55    * @see org.eclipse.gef.tools.AbstractTool#getDebugName()
56    */
57   protected String JavaDoc getDebugName()
58   {
59     return "Edit Shape Handle Tracker";//$NON-NLS-1$
60 }
61         
62   /**
63    * @see org.eclipse.gef.tools.SimpleDragTracker#createSourceRequest()
64    */
65   protected Request createSourceRequest()
66   {
67     EditorEditShapeRequest request = new EditorEditShapeRequest();
68     request.setType(REQ_EDIT_SHAPE);
69     request.setPathSegmentIndex(pathSegmentIndex);
70     request.setLocation(getLocation());
71     List JavaDoc selectedEditParts = getCurrentViewer().getSelectedEditParts();
72     if (selectedEditParts != null && !selectedEditParts.isEmpty()) {
73       EditPart selectedEditPart = (EditPart)selectedEditParts.get(0);
74         request.setTargetEditPart(selectedEditPart);
75     }
76     return request;
77   }
78         
79   /**
80    * @see org.eclipse.gef.tools.SimpleDragTracker#updateSourceRequest()
81    */
82   protected void updateSourceRequest()
83   {
84     EditorEditShapeRequest request = (EditorEditShapeRequest) getSourceRequest();
85       request.setLocation(getLocation());
86   }
87     
88 }
89
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