/*
* The University of Wales, Cardiff Triana Project Software License (Based
* on the Apache Software License Version 1.1)
*
* Copyright (c) 2007 University of Wales, Cardiff. All rights reserved.
*
* Redistribution and use of the software in source and binary forms, with
* or without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any,
* must include the following acknowledgment: "This product includes
* software developed by the University of Wales, Cardiff for the Triana
* Project (http://www.trianacode.org)." Alternately, this
* acknowledgment may appear in the software itself, if and wherever
* such third-party acknowledgments normally appear.
*
* 4. The names "Triana" and "University of Wales, Cardiff" must not be
* used to endorse or promote products derived from this software
* without prior written permission. For written permission, please
* contact triana@trianacode.org.
*
* 5. Products derived from this software may not be called "Triana," nor
* may Triana appear in their name, without prior written permission of
* the University of Wales, Cardiff.
*
* 6. This software may not be sold, used or incorporated into any product
* for sale to third parties.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL UNIVERSITY OF WALES, CARDIFF OR ITS CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
* ------------------------------------------------------------------------
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Triana Project. For more information on the
* Triana Project, please see. http://www.trianacode.org.
*
* This license is based on the BSD license as adopted by the Apache
* Foundation and is governed by the laws of England and Wales.
*
*/
package org.trianacode.gui.windows;
import org.trianacode.gui.util.Env;
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
/**
* A dialog for selecting an item from a list
*
* @author Ian Wang
* @version $Revision: 4048 $
*/
public class ListDialog extends JDialog implements ActionListener {
/**
* the main list
*/
private JList list = new JList(new DefaultListModel());
/**
* the ok and cancel buttons
*/
private JButton ok = new JButton(Env.getString("OK"));
private JButton cancel = new JButton(Env.getString("Cancel"));
/**
* a flag indicating whether the ok button was clicked
*/
private boolean approve = false;
/**
* Constructs a modal list dialog offering the specified item choices
*/
public ListDialog(String[] items, Frame parent) {
super(parent);
initialise(items, false);
}
/**
* Constructs a modal list dialog offering the specified item choices
*/
public ListDialog(String[] items, Dialog parent) {
super(parent);
initialise(items, false);
}
/**
* Constructs a modal list dialog offering the specified item choices
*
* @param title the dialog title
* @param multiple allow multiple selections
*/
public ListDialog(String[] items, Frame parent, String title, boolean multiple) {
super(parent, title, true);
initialise(items, multiple);
}
/**
* Constructs a modal list dialog offering the specified item choices
*
* @param title the dialog title
* @param multiple allow multiple selections
*/
public ListDialog(String[] items, Dialog parent, String title, boolean multiple) {
super(parent, title, true);
initialise(items, multiple);
}
/**
* Initialises the dialog
*/
private void initialise(String[] items, boolean multiple) {
getContentPane().setLayout(new BorderLayout());
JScrollPane scroll = new JScrollPane(list, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
list.setPrototypeCellValue("01234567890012345");
list.setVisibleRowCount(8);
if (!multiple) {
list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
}
list.setListData(items);
JPanel listpanel = new JPanel(new BorderLayout());
listpanel.add(scroll, BorderLayout.CENTER);
listpanel.setBorder(new EmptyBorder(3, 3, 3, 3));
getContentPane().add(listpanel, BorderLayout.CENTER);
JPanel buttonpanel = new JPanel();
buttonpanel.add(ok);
buttonpanel.add(cancel);
ok.addActionListener(this);
cancel.addActionListener(this);
getContentPane().add(buttonpanel, BorderLayout.SOUTH);
pack();
}
/**
* @return true if the ok button was clicked
*/
public boolean isApproved() {
return approve;
}
/**
* @return an array of the selected items, or null if the cancel button was clicked
*/
public String[] getSelectedItems() {
if (!approve) {
return null;
} else {
Object[] select = list.getSelectedValues();
String[] ret = new String[select.length];
for (int count = 0; count < select.length; count++) {
ret[count] = (String) select[count];
}
return ret;
}
}
public void actionPerformed(ActionEvent event) {
if (event.getSource() == ok) {
approve = true;
}
setVisible(false);
dispose();
}
}