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1
20 package org.apache.directory.ldapstudio.schemas.view.views.wrappers;
21
22
23 import java.util.ArrayList  ;
24 import java.util.Collection ;
25 import java.util.List ;
26
27 import org.eclipse.swt.graphics.Image;
28
29
30
36 public abstract class TreeNode implements ITreeNode
37 {
38
39 protected List <ITreeNode> fChildren;
40
41
42 protected ITreeNode fParent;
43
44
45
51 public TreeNode( ITreeNode parent )
52 {
53 fParent = parent;
54 }
55
56
57
60 public Image getImage()
61 {
62 return null;
63 }
64
65
66
69 public boolean hasChildren()
70 {
71 if ( fChildren == null )
72 {
73 return true;
74 }
75
76 return !fChildren.isEmpty();
77 }
78
79
80
83 public ITreeNode getParent()
84 {
85 return fParent;
86 }
87
88
89
92 public void setParent( ITreeNode parent )
93 {
94 fParent = parent;
95 }
96
97
98
101 public List <ITreeNode> getChildren()
102 {
103 if ( fChildren == null )
104 {
105 fChildren = new ArrayList <ITreeNode>();
106 }
107
108 return fChildren;
109 }
110
111
112
115 public void addChild( ITreeNode node )
116 {
117 if ( fChildren == null )
118 {
119 fChildren = new ArrayList <ITreeNode>();
120 }
121
122 if ( !fChildren.contains( node ) )
123 {
124 fChildren.add( node );
125 }
126 }
127
128
129
132
135
138 public void removeChild( ITreeNode node )
139 {
140 if ( fChildren != null )
141 {
142 fChildren.remove( node );
143 }
144 }
145
146
147
150 public boolean addAllChildren( Collection <? extends ITreeNode> c )
151 {
152 if ( fChildren == null )
153 {
154 fChildren = new ArrayList <ITreeNode>();
155 }
156
157 return fChildren.addAll( c );
158 }
159 }
160 |
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