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   package net.mlw.util.swing;
   
   import java.awt.Component;
   import java.awt.event.ActionEvent;
   import java.awt.event.ActionListener;
   import java.util.EventObject;
   
   import javax.swing.JTree;
   import javax.swing.event.CellEditorListener;
  import javax.swing.event.ChangeEvent;
  import javax.swing.tree.DefaultTreeCellRenderer;
  import javax.swing.tree.TreeCellEditor;
  import javax.swing.tree.TreeCellRenderer;
  
  public class CheckTreeCellEditor extends CheckTreeCellRenderer implements TreeCellEditor, ActionListener
  {
     protected CellEditorListener list;
  
     public CheckTreeCellEditor(JTree tree)
     {
        this(tree, new DefaultTreeCellRenderer());
     }
  
     public CheckTreeCellEditor(JTree tree, TreeCellRenderer renderer)
     {
        super(tree, renderer);
        check.addActionListener(this);
     }
  
     public Component getTreeCellEditorComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row)
     {
        return getTreeCellRendererComponent(tree, value, true, expanded, leaf, row, true);
     }
  
     public boolean stopCellEditing()
     {
        return true;
     }
  
     public Object getCellEditorValue()
     {
        node.setSelected(check.isSelected());
        return node;
     }
  
     public boolean isCellEditable(EventObject event)
     {
        return true;
     }
  
     public boolean shouldSelectCell(EventObject event)
     {
        return true;
     }
  
     public void cancelCellEditing()
     {
        fireEditingCanceled();
     }
  
     public void addCellEditorListener(CellEditorListener listener)
     {
        list = SwingEventMulticaster.add(list, listener);
     }
  
     public void removeCellEditorListener(CellEditorListener listener)
     {
        list = SwingEventMulticaster.remove(list, listener);
     }
  
     protected void fireEditingStopped()
     {
        if (list != null)
           list.editingStopped(new ChangeEvent(this));
     }
  
     protected void fireEditingCanceled()
     {
        if (list != null)
           list.editingCanceled(new ChangeEvent(this));
     }
  
     public void actionPerformed(ActionEvent event)
     {
        fireEditingStopped();
     }
  }