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Swing 1.1 | |||||||||
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The interface that defines a suitable data model for a JTree.
Method Summary | |
void |
addTreeModelListener(TreeModelListener l)
Adds a listener for the TreeModelEvent posted after the tree changes. |
java.lang.Object |
getChild(java.lang.Object parent,
int index)
Returns the child of parent at index index in the parent's child array. |
int |
getChildCount(java.lang.Object parent)
Returns the number of children of parent. |
int |
getIndexOfChild(java.lang.Object parent,
java.lang.Object child)
Returns the index of child in parent. |
java.lang.Object |
getRoot()
Returns the root of the tree. |
boolean |
isLeaf(java.lang.Object node)
Returns true if node is a leaf. |
void |
removeTreeModelListener(TreeModelListener l)
Removes a listener previously added with addTreeModelListener(). |
void |
valueForPathChanged(TreePath path,
java.lang.Object newValue)
Messaged when the user has altered the value for the item identified by path to newValue. |
Method Detail |
public java.lang.Object getRoot()
public java.lang.Object getChild(java.lang.Object parent, int index)
parent
- a node in the tree, obtained from this data sourcepublic int getChildCount(java.lang.Object parent)
parent
- a node in the tree, obtained from this data sourcepublic boolean isLeaf(java.lang.Object node)
node
- a node in the tree, obtained from this data sourcepublic void valueForPathChanged(TreePath path, java.lang.Object newValue)
path
- path to the node that the user has altered.newValue
- the new value from the TreeCellEditor.public int getIndexOfChild(java.lang.Object parent, java.lang.Object child)
public void addTreeModelListener(TreeModelListener l)
l
- the listener to addremoveTreeModelListener(javax.swing.event.TreeModelListener)
public void removeTreeModelListener(TreeModelListener l)
l
- the listener to removeaddTreeModelListener(javax.swing.event.TreeModelListener)
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