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Java > Open Source Codes > com > nightlabs > editor2d > edit > tree > DrawComponentContainerTreeEditPart


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: 12.11.2004 </p>
6  * <p> Author: Daniel Mazurek </p>
7 **/
8 package com.nightlabs.editor2d.edit.tree;
9
10 import java.beans.PropertyChangeEvent JavaDoc;
11 import java.util.List JavaDoc;
12
13 import org.eclipse.gef.EditPolicy;
14 import org.eclipse.gef.RootEditPart;
15 import org.eclipse.gef.editpolicies.RootComponentEditPolicy;
16
17 import com.nightlabs.editor2d.DrawComponentContainer;
18 import com.nightlabs.editor2d.editpolicy.DrawComponentContainerEditPolicy;
19 import com.nightlabs.editor2d.editpolicy.tree.DrawComponentTreeContainerEditPolicy;
20
21 public abstract class DrawComponentContainerTreeEditPart
22 extends DrawComponentTreeEditPart
23 {
24   /**
25    * Constructor initializes this with the given model.
26    *
27    * @param model Model for this.
28    */
29 // public DrawComponentContainerTreeEditPart(DrawComponentContainer model, FilterManager filterMan) {
30 // super(model);
31 // this.filterMan = filterMan;
32 // }
33 public DrawComponentContainerTreeEditPart(DrawComponentContainer model) {
34     super(model);
35   }
36   
37 // protected FilterManager filterMan;
38 // public FilterManager getFilterMan() {
39 // return filterMan;
40 // }
41
42   /**
43    * Creates and installs pertinent EditPolicies.
44    */
45   protected void createEditPolicies()
46   {
47     super.createEditPolicies();
48     installEditPolicy(EditPolicy.CONTAINER_ROLE, new DrawComponentContainerEditPolicy());
49     installEditPolicy(EditPolicy.TREE_CONTAINER_ROLE, new DrawComponentTreeContainerEditPolicy());
50     //If this editpart is the contents of the viewer, then it is not deletable!
51 if (getParent() instanceof RootEditPart)
52         installEditPolicy(EditPolicy.COMPONENT_ROLE, new RootComponentEditPolicy());
53   }
54
55   /**
56    * Returns the model of this as a LogicDiagram.
57    *
58    * @return Model of this.
59    */
60   protected DrawComponentContainer getDrawComponentContainer() {
61     return (DrawComponentContainer)getModel();
62   }
63
64   /**
65    * Returns the children of this from the model,
66    * as this is capable enough of holding EditParts.
67    *
68    * @return List of children.
69    */
70   protected List JavaDoc getModelChildren()
71   {
72     return getDrawComponentContainer().getDrawComponents();
73   }
74   
75     protected void propertyChanged(PropertyChangeEvent JavaDoc evt)
76     {
77         super.propertyChanged(evt);
78         String JavaDoc propertyName = evt.getPropertyName();
79         if (propertyName.equals(DrawComponentContainer.CHILD_ADDED)) {
80             LOGGER.debug(propertyName);
81             refreshChildren();
82         }
83         else if (propertyName.equals(DrawComponentContainer.CHILD_REMOVED)) {
84             LOGGER.debug(propertyName);
85             refreshChildren();
86         }
87     }
88   
89 // /**
90 // * Returns the children of this from the model,
91 // * as this is capable enough of holding EditParts.
92 // *
93 // * @return List of children.
94 // */
95 // protected List getModelChildren()
96 // {
97 // if (!getFilterMan().isAllFilterSet()) {
98 // List filterChildren = new ArrayList();
99 // for (Iterator itFilter = getFilterMan().getFilters().iterator(); itFilter.hasNext(); ) {
100 // Class filter = (Class) itFilter.next();
101 // for (Iterator it = getDrawComponentContainer().getDrawComponents().iterator(); it.hasNext(); ) {
102 // DrawComponent dc = (DrawComponent) it.next();
103 // if (filter.isAssignableFrom(dc.getClass())) {
104 // filterChildren.add(dc);
105 // }
106 // }
107 // }
108 // return filterChildren;
109 // }
110 // else {
111 // return getDrawComponentContainer().getDrawComponents();
112 // }
113 // }
114
115 }
116
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