/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.libraries.designtime.swing;
import java.awt.Color;
import java.awt.Component;
import java.awt.event.ActionListener;
import javax.swing.ComboBoxEditor;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JList;
import javax.swing.ListCellRenderer;
import javax.swing.border.LineBorder;
/**
* A non editing cell-editor for comboboxes. This works around the obvious bug that the combobox always
* adds an empty string to non-editable models.
*
* @author Thomas Morgner.
*/
public class ValuePassThroughCellEditor implements ComboBoxEditor
{
private JComboBox comboBox;
private ListCellRenderer renderer;
private Object item;
public ValuePassThroughCellEditor(final JComboBox comboBox, final ListCellRenderer renderer)
{
this.comboBox = comboBox;
this.renderer = renderer;
}
/**
* Return the component that should be added to the tree hierarchy for
* this editor
*/
public Component getEditorComponent()
{
final Component listCellRendererComponent = renderer.getListCellRendererComponent
(new JList(), comboBox.getSelectedItem(), comboBox.getSelectedIndex(), false, comboBox.hasFocus());
if (listCellRendererComponent instanceof JComponent)
{
final JComponent jc = (JComponent) listCellRendererComponent;
jc.setBorder(new LineBorder(Color.BLACK));
}
return listCellRendererComponent;
}
/**
* Set the item that should be edited. Cancel any editing if necessary *
*/
public void setItem(final Object item)
{
this.item = item;
}
/**
* Return the edited item *
*/
public Object getItem()
{
return item;
}
/**
* Ask the editor to start editing and to select everything *
*/
public void selectAll()
{
}
/**
* Add an ActionListener. An action event is generated when the edited item changes *
*/
public void addActionListener(final ActionListener l)
{
}
/**
* Remove an ActionListener *
*/
public void removeActionListener(final ActionListener l)
{
}
}