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