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Java > Java SE, EE, ME > javax > swing > tree > DefaultTreeModel

javax.swing.tree
Class DefaultTreeModel

java.lang.Object
  extended by javax.swing.tree.DefaultTreeModel
All Implemented Interfaces:
Serializable, TreeModel
See Also:
Top Examples, Source Code, XMLEncoder 
public void addTreeModelListener(TreeModelListener l)
See Also:
removeTreeModelListener(javax.swing.event.TreeModelListener), TreeModel
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protected boolean asksAllowsChildren
See Also:
setAsksAllowsChildren(boolean), TreeModel.isLeaf(java.lang.Object), TreeNode.getAllowsChildren()
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public boolean asksAllowsChildren()
See Also:
asksAllowsChildren
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public DefaultTreeModel(TreeNode root)
See Also:
DefaultTreeModel(TreeNode, boolean)
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public DefaultTreeModel(TreeNode root,
                        boolean asksAllowsChildren)
See Also:
asksAllowsChildren
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protected void fireTreeNodesChanged(Object source,
                                    Object[] path,
                                    int[] childIndices,
                                    Object[] children)
See Also:
EventListenerList
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protected void fireTreeNodesInserted(Object source,
                                     Object[] path,
                                     int[] childIndices,
                                     Object[] children)
See Also:
EventListenerList
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protected void fireTreeNodesRemoved(Object source,
                                    Object[] path,
                                    int[] childIndices,
                                    Object[] children)
See Also:
EventListenerList
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protected void fireTreeStructureChanged(Object source,
                                        Object[] path,
                                        int[] childIndices,
                                        Object[] children)
See Also:
EventListenerList
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public Object getChild(Object parent,
                       int index)
See Also:
TreeModel
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public int getChildCount(Object parent)
See Also:
TreeModel
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public int getIndexOfChild(Object parent,
                           Object child)
See Also:
TreeModel
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[696]Creating subtree of node
By Anonymous on 2004/03/11 13:56:11  Rate
import java.util.*; 
 import java.awt.*; 
 import java.awt.event.*; 
 import javax.swing.*; 
 import javax.swing.tree.*; 
  
  
 public class tre 
  {  
  public static void main ( String arv [  ]  )  
     {  
    DefaultMutableTreeNode top=new DefaultMutableTreeNode ( "Directories" ) ; 
  
  
      //creating subtree of node 
     DefaultMutableTreeNode a=new DefaultMutableTreeNode ( "File1" ) ; 
     top.add ( a ) ; 
     DefaultMutableTreeNode b=new DefaultMutableTreeNode ( "File2" ) ; 
     top.add ( b ) ; 
     DefaultMutableTreeNode a1=new DefaultMutableTreeNode ( "Options a1" ) ; 
     DefaultMutableTreeNode a2=new DefaultMutableTreeNode ( "Options a2" ) ; 
     DefaultMutableTreeNode b1=new DefaultMutableTreeNode ( "Options b1" ) ; 
     DefaultMutableTreeNode b2=new DefaultMutableTreeNode ( "Options b2" ) ; 
     a.add ( a1 ) ; 
     a.add ( a2 ) ; 
     b.add ( b1 ) ; 
     b.add ( b2 ) ; 
  top.getIndexOfChild ( a1,a ) ; 
  top.getIndexOfChild ( b1,b ) ; 
   }  
  }  
 
public <T extends EventListener> T[] getListeners(Class<T> listenerType)
See Also:
getTreeModelListeners(), ClassCastException
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public TreeNode[] getPathToRoot(TreeNode aNode)
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protected TreeNode[] getPathToRoot(TreeNode aNode,
                                   int depth)
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public Object getRoot()
See Also:
TreeModel
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public TreeModelListener[] getTreeModelListeners()
See Also:
removeTreeModelListener(javax.swing.event.TreeModelListener), addTreeModelListener(javax.swing.event.TreeModelListener)
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public void insertNodeInto(MutableTreeNode newChild,
                           MutableTreeNode parent,
                           int index)
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public boolean isLeaf(Object node)
See Also:
asksAllowsChildren, TreeModel
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protected EventListenerList listenerList
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public void nodeChanged(TreeNode node)
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public void nodesChanged(TreeNode node,
                         int[] childIndices)
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public void nodeStructureChanged(TreeNode node)
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public void nodesWereInserted(TreeNode node,
                              int[] childIndices)
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public void nodesWereRemoved(TreeNode node,
                             int[] childIndices,
                             Object[] removedChildren)
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public void reload()
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[327]Problem with DefaultTreeModel
By dharmendra { dot } gupta { at } hotmail { dot } com on 2003/07/23 04:37:24  Rate
DefaultTreeModel model =  ( DefaultTreeModel ) treeSelectedPerson.getModel (  ) ; 
   model.reload (  ) ; 
 It throws null pointer exception
public void reload(TreeNode node)
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public void removeNodeFromParent(MutableTreeNode node)
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public void removeTreeModelListener(TreeModelListener l)
See Also:
addTreeModelListener(javax.swing.event.TreeModelListener), TreeModel
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protected TreeNode root
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public void setAsksAllowsChildren(boolean newValue)
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public void setRoot(TreeNode root)
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public void valueForPathChanged(TreePath path,
                                Object newValue)
See Also:
TreeModel
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