/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2009, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/index.html
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* -----------------------
* StrokeChooserPanel.java
* -----------------------
* (C) Copyright 2000-2009, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): Dirk Zeitz;
*
* $Id: StrokeChooserPanel.java,v 1.8 2009/02/27 13:58:41 mungady Exp $
*
* Changes (from 26-Oct-2001)
* --------------------------
* 26-Oct-2001 : Changed package to com.jrefinery.ui.*;
* 14-Oct-2002 : Fixed errors reported by Checkstyle (DG);
* 16-Mar-2004 : Fix for focus problems (DZ);
* 27-Feb-2009 : Fixed bug 2612649, NullPointerException (DG);
*
*/
package org.jfree.ui;
import java.awt.BorderLayout;
import java.awt.Stroke;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.JPanel;
/**
* A component for choosing a stroke from a list of available strokes. This
* class needs work.
*
* @author David Gilbert
*/
public class StrokeChooserPanel extends JPanel {
/** A combo for selecting the stroke. */
private JComboBox selector;
/**
* Creates a panel containing a combo-box that allows the user to select
* one stroke from a list of available strokes.
*
* @param current the current stroke sample.
* @param available an array of 'available' stroke samples.
*/
public StrokeChooserPanel(StrokeSample current, StrokeSample[] available) {
setLayout(new BorderLayout());
// we've changed the behaviour here to populate the combo box
// with Stroke objects directly - ideally we'd change the signature
// of the constructor too...maybe later.
DefaultComboBoxModel model = new DefaultComboBoxModel();
for (int i = 0; i < available.length; i++) {
model.addElement(available[i].getStroke());
}
this.selector = new JComboBox(model);
this.selector.setSelectedItem(current.getStroke());
this.selector.setRenderer(new StrokeSample(null));
add(this.selector);
// Changes due to focus problems!! DZ
this.selector.addActionListener(new ActionListener() {
public void actionPerformed(final ActionEvent evt) {
getSelector().transferFocus();
}
});
}
/**
* Returns the selector component.
*
* @return Returns the selector.
*/
protected final JComboBox getSelector() {
return this.selector;
}
/**
* Returns the selected stroke.
*
* @return The selected stroke (possibly <code>null</code>).
*/
public Stroke getSelectedStroke() {
return (Stroke) this.selector.getSelectedItem();
}
}