/*

@Copyright (c) 2007-2008 The Regents of the University of California.
All rights reserved.

Permission is hereby granted, without written agreement and without
license or royalty fees, to use, copy, modify, and distribute this
software and its documentation for any purpose, provided that the
above copyright notice and the following two paragraphs appear in all
copies of this software.

IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.

THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
ENHANCEMENTS, OR MODIFICATIONS.

                        PT_COPYRIGHT_VERSION_2
                        COPYRIGHTENDKEY



 */

package ptolemy.vergil.gt;

import java.awt.Component;

import javax.swing.AbstractCellEditor;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableCellRenderer;

/**

 @author Thomas Huining Feng
 @version $Id$
 @since Ptolemy II 6.1
 @Pt.ProposedRating Red (tfeng)
 @Pt.AcceptedRating Red (tfeng)
 */
public class CellPanelEditor extends AbstractCellEditor implements
        TableCellEditor, TableCellRenderer {

    public Object getCellEditorValue() {
        return _currentValue;
    }

    public Component getTableCellEditorComponent(JTable table, Object value,
            boolean isSelected, int row, int column) {
        JPanel panel = (JPanel) value;
        panel.setBackground(table.getSelectionBackground());
        _setCaretForAllTextFields(panel, true);
        _currentValue = panel;
        return panel;
    }

    public Component getTableCellRendererComponent(JTable table, Object value,
            boolean isSelected, boolean hasFocus, int row, int column) {
        JPanel panel = (JPanel) value;
        panel.setBackground(isSelected ? table.getSelectionBackground() : table
                .getBackground());
        _setCaretForAllTextFields(panel, false);
        return panel;
    }

    private static void _setCaretForAllTextFields(JPanel panel, boolean visible) {
        for (Component c : panel.getComponents()) {
            if (c instanceof JTextField) {
                JTextField textField = (JTextField) c;
                textField.getCaret().setVisible(visible);
                textField.setSelectionEnd(0);
            }
        }
    }

    private JPanel _currentValue;

}