/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* -Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* -Redistribution in binary form must reproduct the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT
* BE LIABLE FOR ANY DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT
* OF OR RELATING TO USE, MODIFICATION OR DISTRIBUTION OF THE SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
* REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
* INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
* OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN
* IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that Software is not designed, licensed or intended for
* use in the design, construction, operation or maintenance of any nuclear
* facility.
*/
/*
* @(#)ListDemo.java 1.11 03/01/23
*/
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.border.*;
import javax.swing.colorchooser.*;
import javax.swing.filechooser.*;
import javax.accessibility.*;
import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import java.util.*;
import java.io.*;
import java.applet.*;
import java.net.*;
/**
* List Demo. This demo shows that it is not
* always necessary to have an array of objects
* as big as the size of the list stored.
*
* Indeed, in this example, there is no array
* kept for the list data, rather it is generated
* on the fly as only those elements are needed.
*
* @version 1.11 01/23/03
* @author Jeff Dinkins
*/
public class ListDemo extends DemoModule {
JList list;
JPanel prefixList;
JPanel suffixList;
Action prefixAction;
Action suffixAction;
GeneratedListModel listModel;
Vector checkboxes = new Vector();
/**
* main method allows us to run as a standalone demo.
*/
public static void main(String[] args) {
ListDemo demo = new ListDemo(null);
demo.mainImpl();
}
/**
* ListDemo Constructor
*/
public ListDemo(SwingSet2 swingset) {
super(swingset, "ListDemo", "toolbar/JList.gif");
loadImages();
JLabel description = new JLabel(getString("ListDemo.description"));
getDemoPanel().add(description, BorderLayout.NORTH);
JPanel centerPanel = new JPanel();
centerPanel.setLayout(new BoxLayout(centerPanel, BoxLayout.X_AXIS));
centerPanel.add(Box.createRigidArea(HGAP10));
getDemoPanel().add(centerPanel, BorderLayout.CENTER);
JPanel listPanel = new JPanel();
listPanel.setLayout(new BoxLayout(listPanel, BoxLayout.Y_AXIS));
listPanel.add(Box.createRigidArea(VGAP10));
centerPanel.add(listPanel);
centerPanel.add(Box.createRigidArea(HGAP30));
// Create the list
list = new JList();
list.setCellRenderer(new CompanyLogoListCellRenderer());
listModel = new GeneratedListModel(this);
list.setModel(listModel);
// Set the preferred row count. This affects the preferredSize
// of the JList when it's in a scrollpane.
list.setVisibleRowCount(22);
// Add list to a scrollpane
JScrollPane scrollPane = new JScrollPane(list);
listPanel.add(scrollPane);
listPanel.add(Box.createRigidArea(VGAP10));
// Add the control panel (holds the prefix/suffix list and prefix/suffix checkboxes)
JPanel controlPanel = createControlPanel();
centerPanel.add(createControlPanel());
// create prefixes and suffixes
addPrefix("Tera", true);
addPrefix("Micro", false);
addPrefix("Southern", false);
addPrefix("Net", true);
addPrefix("YoYo", true);
addPrefix("Northern", false);
addPrefix("Tele", false);
addPrefix("Eastern", false);
addPrefix("Neo", false);
addPrefix("Digi", false);
addPrefix("National", false);
addPrefix("Compu", true);
addPrefix("Meta", true);
addPrefix("Info", false);
addPrefix("Western", false);
addPrefix("Data", false);
addPrefix("Atlantic", false);
addPrefix("Advanced", false);
addPrefix("Euro", false);
addPrefix("Pacific", false);
addPrefix("Mobile", false);
addPrefix("In", false);
addPrefix("Computa", false);
addPrefix("Digital", false);
addPrefix("Analog", false);
addSuffix("Tech", true);
addSuffix("Soft", true);
addSuffix("Telecom", true);
addSuffix("Solutions", false);
addSuffix("Works", true);
addSuffix("Dyne", false);
addSuffix("Services", false);
addSuffix("Vers", false);
addSuffix("Devices", false);
addSuffix("Software", false);
addSuffix("Serv", false);
addSuffix("Systems", true);
addSuffix("Dynamics", true);
addSuffix("Net", false);
addSuffix("Sys", false);
addSuffix("Computing", false);
addSuffix("Scape", false);
addSuffix("Com", false);
addSuffix("Ware", false);
addSuffix("Widgets", false);
addSuffix("Media", false);
addSuffix("Computer", false);
addSuffix("Hardware", false);
addSuffix("Gizmos", false);
addSuffix("Concepts", false);
}
public JPanel createControlPanel() {
JPanel controlPanel = new JPanel() {
Insets insets = new Insets(0, 4, 10, 10);
public Insets getInsets() {
return insets;
}
};
controlPanel.setLayout(new BoxLayout(controlPanel, BoxLayout.X_AXIS));
JPanel prefixPanel = new JPanel();
prefixPanel.setLayout(new BoxLayout(prefixPanel, BoxLayout.Y_AXIS));
prefixPanel.add(new JLabel(getString("ListDemo.prefixes")));
JPanel suffixPanel = new JPanel();
suffixPanel.setLayout(new BoxLayout(suffixPanel, BoxLayout.Y_AXIS));
suffixPanel.add(new JLabel(getString("ListDemo.suffixes")));
prefixList = new JPanel() {
Insets insets = new Insets(0, 4, 0, 0);
public Insets getInsets() {
return insets;
}
};
prefixList.setLayout(new BoxLayout(prefixList, BoxLayout.Y_AXIS));
JScrollPane scrollPane = new JScrollPane(prefixList);
scrollPane.getVerticalScrollBar().setUnitIncrement(10);
prefixPanel.add(scrollPane);
prefixPanel.add(Box.createRigidArea(HGAP10));
suffixList = new JPanel() {
Insets insets = new Insets(0, 4, 0, 0);
public Insets getInsets() {
return insets;
}
};
suffixList.setLayout(new BoxLayout(suffixList, BoxLayout.Y_AXIS));
scrollPane = new JScrollPane(suffixList);
scrollPane.getVerticalScrollBar().setUnitIncrement(10);
suffixPanel.add(scrollPane);
suffixPanel.add(Box.createRigidArea(HGAP10));
controlPanel.add(prefixPanel);
controlPanel.add(Box.createRigidArea(HGAP15));
controlPanel.add(suffixPanel);
return controlPanel;
}
public void addPrefix(String prefix, boolean selected) {
if(prefixAction == null) {
prefixAction = new UpdatePrefixListAction(listModel);
}
JCheckBox cb = (JCheckBox) prefixList.add(new JCheckBox(prefix));
checkboxes.addElement(cb);
cb.setSelected(selected);
cb.addActionListener(prefixAction);
if(selected) {
listModel.addPrefix(prefix);
}
}
public void addSuffix(String suffix, boolean selected) {
if(suffixAction == null) {
suffixAction = new UpdateSuffixListAction(listModel);
}
JCheckBox cb = (JCheckBox) suffixList.add(new JCheckBox(suffix));
checkboxes.addElement(cb);
cb.setSelected(selected);
cb.addActionListener(suffixAction);
if(selected) {
listModel.addSuffix(suffix);
}
}
class UpdatePrefixListAction extends AbstractAction {
GeneratedListModel listModel;
protected UpdatePrefixListAction(GeneratedListModel listModel) {
this.listModel = listModel;
}
public void actionPerformed(ActionEvent e) {
JCheckBox cb = (JCheckBox) e.getSource();
if(cb.isSelected()) {
listModel.addPrefix(cb.getText());
} else {
listModel.removePrefix(cb.getText());
}
}
}
class UpdateSuffixListAction extends AbstractAction {
GeneratedListModel listModel;
protected UpdateSuffixListAction(GeneratedListModel listModel) {
this.listModel = listModel;
}
public void actionPerformed(ActionEvent e) {
JCheckBox cb = (JCheckBox) e.getSource();
if(cb.isSelected()) {
listModel.addSuffix(cb.getText());
} else {
listModel.removeSuffix(cb.getText());
}
}
}
class GeneratedListModel extends AbstractListModel {
ListDemo demo;
Permuter permuter;
public Vector prefix = new Vector();
public Vector suffix = new Vector();
public GeneratedListModel (ListDemo demo) {
this.demo = demo;
}
private void update() {
permuter = new Permuter(getSize());
fireContentsChanged(this, 0, getSize());
}
public void addPrefix(String s) {
if(!prefix.contains(s)) {
prefix.addElement(s);
update();
}
}
public void removePrefix(String s) {
prefix.removeElement(s);
update();
}
public void addSuffix(String s) {
if(!suffix.contains(s)) {
suffix.addElement(s);
update();
}
}
public void removeSuffix(String s) {
suffix.removeElement(s);
update();
}
public int getSize() {
return prefix.size() * suffix.size();
}
public Object getElementAt(int index) {
if(permuter == null) {
update();
}
// morph the index to another int -- this has the benefit of
// causing the list to look random.
int j = permuter.map(index);
int ps = prefix.size();
int ss = suffix.size();
return (String) prefix.elementAt(j%ps) + (String) suffix.elementAt((j/ps)%ss);
}
}
ImageIcon images[] = new ImageIcon[7];
void loadImages() {
images[0] = createImageIcon("list/red.gif", getString("ListDemo.red"));
images[1] = createImageIcon("list/blue.gif", getString("ListDemo.blue"));
images[2] = createImageIcon("list/yellow.gif", getString("ListDemo.yellow"));
images[3] = createImageIcon("list/green.gif", getString("ListDemo.green"));
images[4] = createImageIcon("list/gray.gif", getString("ListDemo.gray"));
images[5] = createImageIcon("list/cyan.gif", getString("ListDemo.cyan"));
images[6] = createImageIcon("list/magenta.gif", getString("ListDemo.magenta"));
}
class CompanyLogoListCellRenderer extends DefaultListCellRenderer {
public Component getListCellRendererComponent(
JList list,
Object value,
int index,
boolean isSelected,
boolean cellHasFocus)
{
Component retValue = super.getListCellRendererComponent(
list, value, index, isSelected, cellHasFocus
);
setIcon(images[index%7]);
return retValue;
}
}
}
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