TreeTableModelAdapter.java

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package GuiComponents.Inspector.TreeTable;

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);
    }
}

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