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/*
* Copyright 1999 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 reproduce 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 THIS 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 THIS SOFTWARE, EVEN IF SUN HAS
* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or
* intended for use in the design, construction, operation or
* maintenance of any nuclear facility.
*/
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;
import javax.swing.table.*;
import javax.swing.tree.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.util.*;
import java.text.DateFormat;
/**
* Assembles the UI. The UI consists of a JTreeTable and a menu.
* The JTreeTable uses a BookmarksModel to visually represent a bookmarks
* file stored in the Netscape file format.
*
* @author Scott Violet
*/
public class TreeTableExample3 {
/** Number of instances of TreeTableExample3. */
private static int ttCount;
/** Used to represent the model. */
private JTreeTable treeTable;
/** Frame containing everything. */
private JFrame frame;
/** Path created for. */
private String path;
/**
* Creates a TreeTableExample3, loading the bookmarks from the file
* at <code>path</code>.
*/
public TreeTableExample3(String path) {
this.path = path;
ttCount++;
frame = createFrame();
Container cPane = frame.getContentPane();
JMenuBar mb = createMenuBar();
TreeTableModel model = createModel(path);
treeTable = createTreeTable(model);
JScrollPane sp = new JScrollPane(treeTable);
sp.getViewport().setBackground(Color.white);
cPane.add(sp);
frame.setJMenuBar(mb);
frame.pack();
frame.show();
}
/**
* Creates and returns the instanceof JTreeTable that will be used.
*/
protected JTreeTable createTreeTable(TreeTableModel model) {
JTreeTable treeTable = new JTreeTable(model);
treeTable.setDefaultRenderer(Date.class, new BookmarksDateRenderer());
treeTable.setDefaultRenderer(Object.class,
new BookmarksStringRenderer());
return treeTable;
}
/**
* Creates the BookmarksModel for the file at <code>path</code>.
*/
protected TreeTableModel createModel(String path) {
Bookmarks bookmarks = new Bookmarks(path);
return new BookmarksModel(bookmarks.getRoot());
}
/**
* Creates the JFrame that will contain everything.
*/
protected JFrame createFrame() {
JFrame retFrame = new JFrame("JTreeTable DB Viewer -- " + path);
retFrame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent we) {
frame.dispose();
if (--ttCount == 0) {
System.exit(0);
}
}
});
return retFrame;
}
/**
* Creates a menu bar.
*/
protected JMenuBar createMenuBar() {
JMenu fileMenu = new JMenu("File");
JMenuItem menuItem;
menuItem = new JMenuItem("Open");
menuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
JFileChooser fc = new JFileChooser(path);
int result = fc.showOpenDialog(frame);
if (result == JFileChooser.APPROVE_OPTION) {
String newPath = fc.getSelectedFile().getPath();
new TreeTableExample3(newPath);
}
}
});
fileMenu.add(menuItem);
fileMenu.addSeparator();
menuItem = new JMenuItem("Exit");
menuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
System.exit(0);
}
});
fileMenu.add(menuItem);
// Create a menu bar
JMenuBar menuBar = new JMenuBar();
menuBar.add(fileMenu);
// Menu for the look and feels (lafs).
UIManager.LookAndFeelInfo[] lafs = UIManager.
getInstalledLookAndFeels();
ButtonGroup lafGroup = new ButtonGroup();
JMenu optionsMenu = new JMenu("Options");
menuBar.add(optionsMenu);
for(int i = 0; i < lafs.length; i++) {
JRadioButtonMenuItem rb = new JRadioButtonMenuItem(lafs[i].
getName());
optionsMenu.add(rb);
rb.setSelected(UIManager.getLookAndFeel().getName().equals
(lafs[i].getName()));
rb.putClientProperty("UIKey", lafs[i]);
rb.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent ae) {
JRadioButtonMenuItem rb2 = (JRadioButtonMenuItem)ae.
getSource();
if(rb2.isSelected()) {
UIManager.LookAndFeelInfo info =
(UIManager.LookAndFeelInfo)
rb2.getClientProperty("UIKey");
try {
UIManager.setLookAndFeel(info.getClassName());
SwingUtilities.updateComponentTreeUI(frame);
}
catch (Exception e) {
System.err.println("unable to set UI " +
e.getMessage());
}
}
}
});
lafGroup.add(rb);
}
return menuBar;
}
/**
* The renderer used for Dates in the TreeTable. The only thing it does,
* is to format a null date as '---'.
*/
private static class BookmarksDateRenderer extends
DefaultTableCellRenderer {
DateFormat formatter;
public BookmarksDateRenderer() { super(); }
public void setValue(Object value) {
if (formatter==null) {
formatter = DateFormat.getDateInstance();
}
setText((value == null) ? "---" : formatter.format(value));
}
}
/**
* The renderer used for String in the TreeTable. The only thing it does,
* is to format a null String as '---'.
*/
static class BookmarksStringRenderer extends DefaultTableCellRenderer {
public BookmarksStringRenderer() { super(); }
public void setValue(Object value) {
setText((value == null) ? "---" : value.toString());
}
}
public static void main(String[] args) {
if (args.length > 0) {
// User is specifying the bookmark file to show.
for (int counter = args.length - 1; counter >= 0; counter--) {
new TreeTableExample3(args[counter]);
}
}
else {
// No file specified, see if the user has one in their home
// directory.
String path;
try {
path = System.getProperty("user.home");
if (path != null) {
path += File.separator + ".netscape" + File.separator +
"bookmarks.xml";
File file = new File(path);
if (!file.exists()) {
path = null;
}
}
}
catch (Throwable th) {
path = null;
}
if (path == null) {
// None available, use a default.
path = "bookmarks.xml";
}
new TreeTableExample3(path);
}
}
} |
