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java.lang.Objectcharvax.swing.tree.DefaultTreeModel
(UNDER CONSTRUCTION) A simple tree data model that uses TreeNodes.
| Field Summary | |
protected boolean |
_asksAllowsChildren
Determines how the isLeaf method figures out if a node is a leaf node. |
protected java.util.ArrayList |
_listeners
|
protected TreeNode |
_root
|
| 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. |
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)
Called when the user has altered the value for the item identified by path to newValue. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
protected boolean _asksAllowsChildren
If this value is false, then any node which has no children is a leaf node, and any node may acquire children.
protected java.util.ArrayList _listeners
protected TreeNode _root
| Method Detail |
public java.lang.Object getRoot()
getRoot in interface TreeModel
public java.lang.Object getChild(java.lang.Object parent,
int index)
getChild in interface TreeModelpublic int getChildCount(java.lang.Object parent)
getChildCount in interface TreeModelpublic boolean isLeaf(java.lang.Object node_)
isLeaf in interface TreeModel
public void valueForPathChanged(TreePath path,
java.lang.Object newValue)
valueForPathChanged in interface TreeModelpublic void addTreeModelListener(TreeModelListener l)
addTreeModelListener in interface TreeModelpublic void removeTreeModelListener(TreeModelListener l)
removeTreeModelListener in interface TreeModel
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