////////////////////////////////////////////////////////////////////////////////
// checkstyle: Checks Java source code for adherence to a set of rules.
// Copyright (C) 2001-2002 Oliver Burn
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
////////////////////////////////////////////////////////////////////////////////
/*
* @(#)TreeTableModelAdapter.java 1.2 98/10/27
*
* Copyright 1997, 1998 by Sun Microsystems, Inc.,
* 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
* All rights reserved.
*
* This software is the confidential and proprietary information
* of Sun Microsystems, Inc. ("Confidential Information"). You
* shall not disclose such Confidential Information and shall use
* it only in accordance with the terms of the license agreement
* you entered into with Sun.
*/
package com.puppycrawl.tools.checkstyle.gui;
import javax.swing.JTree;
import javax.swing.SwingUtilities;
import javax.swing.table.AbstractTableModel;
import javax.swing.tree.TreePath;
import javax.swing.event.TreeExpansionEvent;
import javax.swing.event.TreeExpansionListener;
import javax.swing.event.TreeModelEvent;
import javax.swing.event.TreeModelListener;
/**
* This is a wrapper class takes a TreeTableModel and implements
* the table model interface. The implementation is trivial, with
* all of the event dispatching support provided by the superclass:
* the AbstractTableModel.
*
* @version 1.2 10/27/98
*
* @author Philip Milne
* @author Scott Violet
*/
public class TreeTableModelAdapter extends AbstractTableModel
{
private JTree mTree;
private TreeTableModel mTreeTableModel;
public TreeTableModelAdapter(TreeTableModel aTreeTableModel, JTree aTree)
{
this.mTree = aTree;
this.mTreeTableModel = aTreeTableModel;
aTree.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();
}
});
// Install a TreeModelListener that can update the table when
// mTree changes. We use delayedFireTableDataChanged as we can
// not be guaranteed the mTree will have finished processing
// the event before us.
aTreeTableModel.addTreeModelListener(new TreeModelListener()
{
public void treeNodesChanged(TreeModelEvent e)
{
delayedFireTableDataChanged();
}
public void treeNodesInserted(TreeModelEvent e)
{
delayedFireTableDataChanged();
}
public void treeNodesRemoved(TreeModelEvent e)
{
delayedFireTableDataChanged();
}
public void treeStructureChanged(TreeModelEvent e)
{
delayedFireTableDataChanged();
}
});
}
// Wrappers, implementing TableModel interface.
public int getColumnCount()
{
return mTreeTableModel.getColumnCount();
}
public String getColumnName(int column)
{
return mTreeTableModel.getColumnName(column);
}
public Class getColumnClass(int column)
{
return mTreeTableModel.getColumnClass(column);
}
public int getRowCount()
{
return mTree.getRowCount();
}
protected Object nodeForRow(int row)
{
final TreePath treePath = mTree.getPathForRow(row);
return treePath.getLastPathComponent();
}
public Object getValueAt(int row, int column)
{
return mTreeTableModel.getValueAt(nodeForRow(row), column);
}
public boolean isCellEditable(int row, int column)
{
return mTreeTableModel.isCellEditable(nodeForRow(row), column);
}
public void setValueAt(Object value, int row, int column)
{
mTreeTableModel.setValueAt(value, nodeForRow(row), column);
}
/**
* Invokes fireTableDataChanged after all the pending events have been
* processed. SwingUtilities.invokeLater is used to handle this.
*/
protected void delayedFireTableDataChanged()
{
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
fireTableDataChanged();
}
});
}
}