package org.joy.mjtreetable;import javax.swing.table.AbstractTableModel;import javax.swing.JTree;import javax.swing.tree.TreePath;import javax.swing.event.TreeExpansionEvent;import javax.swing.event.TreeExpansionListener;public class TreeTableModelAdapter extends AbstractTableModel{    JTree tree;    TreeTableModel treeTableModel;    public TreeTableModelAdapter(TreeTableModel treeTableModel, JTree tree) {        this.tree = tree;        this.treeTableModel = treeTableModel;	tree.addTreeExpansionListener(new TreeExpansionListener() {	    // Don't use fireTableRowsInserted() here; 	    // the selection model would get  updated twice. 	    public void treeExpanded(TreeExpansionEvent event) {  	      fireTableDataChanged(); 	    }            public void treeCollapsed(TreeExpansionEvent event) {  	      fireTableDataChanged(); 	    }	});    }  // Wrappers, implementing TableModel interface.     public int getColumnCount() {	return treeTableModel.getColumnCount();    }    public String getColumnName(int column) {	return treeTableModel.getColumnName(column);    }    public Class getColumnClass(int column) {	return treeTableModel.getColumnClass(column);    }    public int getRowCount() {	return tree.getRowCount();    }    protected Object nodeForRow(int row) {	TreePath treePath = tree.getPathForRow(row);	return treePath.getLastPathComponent();             }    public Object getValueAt(int row, int column) {	return treeTableModel.getValueAt(nodeForRow(row), column);    }    public boolean isCellEditable(int row, int column) {         return treeTableModel.isCellEditable(nodeForRow(row), column);     }    public void setValueAt(Object value, int row, int column) {	treeTableModel.setValueAt(value, nodeForRow(row), column);    }}