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public interface TreeModel
| Method Summary | |
|---|---|
Object |
getChild(Object parent,
int index)
Return the child of parent at index index
in the parent's child array. |
int |
getChildCount(Object parent)
Answer the number of children of parent. |
int |
getIndexOfChild(Object parent,
Object child)
Return the index of child in parent. |
Object |
getRoot()
Return the root of the tree. |
Collection |
getTreeModelListeners()
Answer the mutable collection of tree model listeners. |
boolean |
isLeaf(Object node)
Answer true if node is a leaf. |
void |
valueForPathChanged(TreePath path,
Object newValue)
Called when the value for the item identified by path has changed to newValue. |
| Method Detail |
|---|
Object getRoot()
Object getChild(Object parent,
int index)
parent at index index
in the parent's child array.
parent - a node in the tree
parent at index indexint getChildCount(Object parent)
parent.
parent - a node in the tree
parentboolean isLeaf(Object node)
true if node is a leaf.
node - a node in the tree
node is a leaf
void valueForPathChanged(TreePath path,
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 TreeCellEditor
int getIndexOfChild(Object parent,
Object child)
parent - a node in the treechild - the node we are interested in
child or parent are nullCollection getTreeModelListeners()
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