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public interface TreeModel
Method Summary | |
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java.lang.Object |
getChild(java.lang.Object parent,
int index)
Return the child of parent at index index
in the parent's child array. |
int |
getChildCount(java.lang.Object parent)
Answer the number of children of parent . |
int |
getIndexOfChild(java.lang.Object parent,
java.lang.Object child)
Return the index of child in parent. |
java.lang.Object |
getRoot()
Return the root of the tree. |
java.util.Collection |
getTreeModelListeners()
Answer the mutable collection of tree model listeners. |
boolean |
isLeaf(java.lang.Object node)
Answer true if node is a leaf. |
void |
valueForPathChanged(TreePath path,
java.lang.Object newValue)
Called when the value for the item identified by path has changed to newValue . |
Method Detail |
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java.lang.Object getRoot()
java.lang.Object getChild(java.lang.Object parent, int index)
parent
at index index
in the parent's child array.
parent
- a node in the tree
parent
at index index
int getChildCount(java.lang.Object parent)
parent
.
parent
- a node in the tree
parent
boolean isLeaf(java.lang.Object node)
true
if node
is a leaf.
node
- a node in the tree
node
is a leafvoid valueForPathChanged(TreePath path, java.lang.Object newValue)
path
has changed to newValue
.
If newValue
signifies a truly new value
the model should post a treeNodesChanged
event.
path
- path to the node that has been alterednewValue
- the new value from the TreeCellEditorint getIndexOfChild(java.lang.Object parent, java.lang.Object child)
parent
- a node in the treechild
- the node we are interested in
child
or parent
are null
java.util.Collection getTreeModelListeners()
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