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1
11 package org.eclipse.pde.internal.core.plugin;
12
13 import java.util.ArrayList  ;
14
15 import org.eclipse.core.runtime.CoreException;
16 import org.eclipse.pde.core.IModelChangedEvent;
17 import org.eclipse.pde.core.plugin.IPluginElement;
18 import org.eclipse.pde.core.plugin.IPluginObject;
19 import org.eclipse.pde.core.plugin.IPluginParent;
20 import org.eclipse.pde.internal.core.PDECoreMessages;
21
22 public abstract class PluginParent extends IdentifiablePluginObject implements
23 IPluginParent {
24 protected ArrayList fChildren = new ArrayList (1);
25
26 public PluginParent() {
27 }
28
29 public void add(int index, IPluginObject child) throws CoreException {
30 ensureModelEditable();
31 fChildren.add(index, child);
32 postAdd(child);
33 }
34
35 public void add(IPluginObject child) throws CoreException {
36 ensureModelEditable();
37 fChildren.add(child);
38 postAdd(child);
39 }
40
41 void appendChild(IPluginElement child) {
42 fChildren.add(child);
43 }
44
45 protected void postAdd(IPluginObject child) {
46 ((PluginObject) child).setInTheModel(true);
47 ((PluginObject) child).setParent(this);
48 fireStructureChanged(child, IModelChangedEvent.INSERT);
49 }
50
51 public int getChildCount() {
52 return fChildren.size();
53 }
54
55 public boolean equals(Object obj) {
56 if (this == obj)
57 return true;
58 if (obj == null)
59 return false;
60 if (obj instanceof IPluginParent) {
61 IPluginParent target = (IPluginParent) obj;
62 if (target.getChildCount() != getChildCount())
63 return false;
64 IPluginObject[] tchildren = target.getChildren();
65 for (int i = 0; i < tchildren.length; i++) {
66 IPluginObject tchild = tchildren[i];
67 if (tchild.equals(fChildren.get(i)) == false)
68 return false;
69 }
70 return true;
71 }
72 return false;
73 }
74
75 public int getIndexOf(IPluginObject child) {
76 return fChildren.indexOf(child);
77 }
78
79 public void swap(IPluginObject child1, IPluginObject child2)
80 throws CoreException {
81 ensureModelEditable();
82 int index1 = fChildren.indexOf(child1);
83 int index2 = fChildren.indexOf(child2);
84 if (index1 == -1 || index2 == -1)
85 throwCoreException(PDECoreMessages.PluginParent_siblingsNotFoundException);
86 fChildren.set(index2, child1);
87 fChildren.set(index1, child2);
88 firePropertyChanged(this, P_SIBLING_ORDER, child1, child2);
89 }
90
91 public IPluginObject[] getChildren() {
92 return (IPluginObject[])fChildren.toArray(new IPluginObject[fChildren.size()]);
93 }
94
95 public void remove(IPluginObject child) throws CoreException {
96 ensureModelEditable();
97 fChildren.remove(child);
98 ((PluginObject) child).setInTheModel(false);
99 fireStructureChanged(child, IModelChangedEvent.REMOVE);
100 }
101
102 }
103 |
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