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1
22
23 package salsa.debug;
24
25 import java.awt.*;
26 import javax.swing.*;
27 import javax.swing.event.*;
28 import javax.swing.tree.*;
29
30 public class ComponentTreeModel implements TreeModel
31 {
32 Component _root;
33
34 public ComponentTreeModel( Component root )
35 {
36 _root = root;
37 }
38
39 public Object  getChild( Object parent, int index )
40 {
41 if( parent instanceof Container )
42 {
43 return ( ( Container ) parent ).getComponent( index );
44 }
45 return null;
46 }
47
48 public int getChildCount( Object obj )
49 {
50 if( obj instanceof Container )
51 return ( ( Container ) obj ).getComponentCount();
52 return 0;
53 }
54
55 public int getIndexOfChild( Object parent, Object child )
56 {
57 if( !( parent instanceof Container ) )
58 return -1;
59
60 Container c = ( Container ) parent;
61 Component children[] = c.getComponents();
62 if( children == null )
63 return -1;
64
65 for( int i = 0; i < children.length; i++ )
66 if( children[i] == child )
67 return i;
68
69 return -1;
70 }
71
72 public Object getRoot()
73 {
74 return _root;
75 }
76
77 public boolean isLeaf( Object obj )
78 {
79 if( !( obj instanceof Container ) )
80 return true;
81
82 return ( ( Container ) obj ).getComponentCount() == 0;
83 }
84
85 public void addTreeModelListener( TreeModelListener l ) { }
86
87 public void removeTreeModelListener( TreeModelListener l ) { }
88
89 public void valueForPathChanged( TreePath path, Object newValue ) { }
90 }
91 |
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