/*
* eXist Open Source Native XML Database Copyright (C) 2001-06 Wolfgang M.
* Meier wolfgang@exist-db.org http://exist.sourceforge.net
*
* This program 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 of the License, or (at your
* option) any later version.
*
* This program 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 program; if not, write to the Free Software Foundation,
* Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
package org.exist.client;
import java.awt.BorderLayout;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.Observable;
import java.util.Observer;
import java.util.Properties;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPopupMenu;
import javax.swing.JProgressBar;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.JToolBar;
import javax.swing.KeyStroke;
import javax.swing.border.BevelBorder;
import javax.xml.transform.OutputKeys;
import org.exist.security.User;
import org.exist.storage.ElementIndex;
import org.exist.storage.TextSearchEngine;
import org.exist.util.ProgressIndicator;
import org.exist.xmldb.UserManagementService;
import org.exist.xmldb.XmldbURI;
import org.exist.xquery.util.URIUtils;
import org.xmldb.api.base.Collection;
import org.xmldb.api.base.Resource;
import org.xmldb.api.base.XMLDBException;
import org.xmldb.api.modules.XMLResource;
class DocumentView extends JFrame {
protected InteractiveClient client;
private XmldbURI resourceName;
protected Resource resource;
protected Collection collection;
protected boolean readOnly = false;
protected ClientTextArea text;
protected JButton saveButton;
protected JButton saveAsButton;
protected JTextField statusMessage;
protected JTextField positionDisplay;
protected JProgressBar progress;
protected JPopupMenu popup;
protected Properties properties;
public DocumentView(InteractiveClient client, XmldbURI resourceName, Properties properties) throws XMLDBException
{
super( URIUtils.urlDecodeUtf8(resourceName.lastSegment()) );
this.resourceName = resourceName;
this.resource = client.retrieve(resourceName, properties.getProperty(OutputKeys.INDENT, "yes")); //$NON-NLS-1$
this.client = client;
this.collection = client.getCollection();
this.properties = properties;
getContentPane().setLayout(new BorderLayout());
setupComponents();
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent ev) {
close();
}
});
pack();
}
public void viewDocument()
{
try{
if (resource.getResourceType().equals("XMLResource")) //$NON-NLS-1$
setText((String) resource.getContent());
else
setText(new String((byte[]) resource.getContent()));
// lock the resource for editing
UserManagementService service = (UserManagementService)
client.current.getService("UserManagementService", "1.0"); //$NON-NLS-1$ //$NON-NLS-2$
User user = service.getUser(properties.getProperty("user")); //$NON-NLS-1$
String lockOwner = service.hasUserLock(resource);
if(lockOwner != null) {
if(JOptionPane.showConfirmDialog(this,
Messages.getString("DocumentView.6") + lockOwner + //$NON-NLS-1$
Messages.getString("DocumentView.7"), //$NON-NLS-1$
Messages.getString("DocumentView.8"), //$NON-NLS-1$
JOptionPane.YES_NO_OPTION) != JOptionPane.YES_OPTION) {
dispose();
this.setCursor(Cursor.getDefaultCursor());
return;
}
}
try {
service.lockResource(resource, user);
} catch(XMLDBException ex) {
System.out.println(ex.getMessage());
JOptionPane.showMessageDialog(this,
Messages.getString("DocumentView.9")); //$NON-NLS-1$
setReadOnly();
}
setVisible(true);
}
catch (XMLDBException ex) {
showErrorMessage(Messages.getString("DocumentView.10") + ex.getMessage(), ex); //$NON-NLS-1$
}
}
private static void showErrorMessage(String message, Throwable t) {
JScrollPane scroll = null;
JTextArea msgArea = new JTextArea(message);
msgArea.setBorder(BorderFactory.createTitledBorder("Message:")); //$NON-NLS-1$
msgArea.setEditable(false);
msgArea.setBackground(null);
if (t != null) {
StringWriter out = new StringWriter();
PrintWriter writer = new PrintWriter(out);
t.printStackTrace(writer);
JTextArea stacktrace = new JTextArea(out.toString(), 20, 50);
stacktrace.setBackground(null);
stacktrace.setEditable(false);
scroll = new JScrollPane(stacktrace);
scroll.setPreferredSize(new Dimension(250, 300));
scroll.setBorder(BorderFactory
.createTitledBorder("Exception Stacktrace:")); //$NON-NLS-1$
}
JOptionPane optionPane = new JOptionPane();
optionPane.setMessage(new Object[]{msgArea, scroll});
optionPane.setMessageType(JOptionPane.ERROR_MESSAGE);
JDialog dialog = optionPane.createDialog(null, Messages.getString("DocumentView.13")); //$NON-NLS-1$
dialog.setResizable(true);
dialog.pack();
dialog.setVisible(true);
return;
}
public void setReadOnly() {
text.setEditable(false);
saveButton.setEnabled(false);
readOnly = true;
}
private void close() {
unlockView();
}
private void unlockView()
{
if (readOnly)
return;
try
{
UserManagementService service = (UserManagementService) collection
.getService("UserManagementService", "1.0"); //$NON-NLS-1$ //$NON-NLS-2$
service.unlockResource(resource);
}
catch (XMLDBException e)
{
e.printStackTrace();
}
}
private void setupComponents() throws XMLDBException {
/* start of menubar */
JMenuBar menubar = new JMenuBar();
JMenu fileMenu = new JMenu(Messages.getString("DocumentView.16")); //$NON-NLS-1$
fileMenu.setMnemonic(KeyEvent.VK_F);
menubar.add(fileMenu);
JMenuItem item;
// Save to database
item = new JMenuItem(Messages.getString("DocumentView.17"), KeyEvent.VK_S); //$NON-NLS-1$
item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,
Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()));
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.out.println("SAVE");
save();
}
});
fileMenu.add(item);
/*
// Refresh
item = new JMenuItem("Refresh", KeyEvent.VK_R);
item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_R,
Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()));
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
refresh() ;
} catch (XMLDBException u) {
u.printStackTrace();
}
}
});
fileMenu.add(item);
*/
setJMenuBar(menubar);
/* end of menubar */
/* The icon toolbar */
JToolBar toolbar = new JToolBar();
//Save button
URL url = getClass().getResource("icons/Save24.gif"); //$NON-NLS-1$
saveButton = new JButton(new ImageIcon(url));
saveButton
.setToolTipText(Messages.getString("DocumentView.20")); //$NON-NLS-1$
saveButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
save();
}
});
toolbar.add(saveButton);
//Save As button
url = getClass().getResource("icons/SaveAs24.gif"); //$NON-NLS-1$
saveAsButton = new JButton(new ImageIcon(url));
saveAsButton
.setToolTipText(Messages.getString("DocumentView.22")); //$NON-NLS-1$
saveAsButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
saveAs();
}
});
toolbar.add(saveAsButton);
//Export button
url = getClass().getResource("icons/Export24.gif"); //$NON-NLS-1$
JButton button = new JButton(new ImageIcon(url));
button.setToolTipText(Messages.getString("DocumentView.24")); //$NON-NLS-1$
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
export() ;
} catch (XMLDBException u) {
u.printStackTrace();
}
}
});
toolbar.add(button);
toolbar.addSeparator();
//Copy button
url = getClass().getResource("icons/Copy24.gif"); //$NON-NLS-1$
button = new JButton(new ImageIcon(url));
button.setToolTipText(Messages.getString("DocumentView.26")); //$NON-NLS-1$
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
text.copy();
}
});
toolbar.add(button);
//Cut button
url = getClass().getResource("icons/Cut24.gif"); //$NON-NLS-1$
button = new JButton(new ImageIcon(url));
button.setToolTipText(Messages.getString("DocumentView.28")); //$NON-NLS-1$
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
text.cut();
}
});
toolbar.add(button);
//Paste button
url = getClass().getResource("icons/Paste24.gif"); //$NON-NLS-1$
button = new JButton(new ImageIcon(url));
button.setToolTipText(Messages.getString("DocumentView.30")); //$NON-NLS-1$
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
text.paste();
}
});
toolbar.add(button);
toolbar.addSeparator();
//Refresh button
url = getClass().getResource("icons/Refresh24.gif"); //$NON-NLS-1$
button = new JButton(new ImageIcon(url));
button.setToolTipText(Messages.getString("DocumentView.32")); //$NON-NLS-1$
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
refresh() ;
} catch (XMLDBException u) {
u.printStackTrace();
}
}
});
toolbar.add(button);
getContentPane().add(toolbar, BorderLayout.NORTH);
text = new ClientTextArea(true, Messages.getString("DocumentView.33")); //$NON-NLS-1$
getContentPane().add(text, BorderLayout.CENTER);
Box statusbar = Box.createHorizontalBox();
statusbar.setBorder(BorderFactory
.createBevelBorder(BevelBorder.LOWERED));
statusMessage = new JTextField(20);
statusMessage.setEditable(false);
statusMessage.setFocusable(false);
statusMessage.setText(Messages.getString("DocumentView.34") + URIUtils.urlDecodeUtf8(resource.getId()) + Messages.getString("DocumentView.35")); //$NON-NLS-1$ //$NON-NLS-2$
statusbar.add(statusMessage);
progress = new JProgressBar();
progress.setPreferredSize(new Dimension(200, 30));
progress.setVisible(false);
statusbar.add(progress);
positionDisplay = new JTextField(5);
positionDisplay.setEditable(false);
positionDisplay.setFocusable(true);
statusbar.add(positionDisplay);
text.setPositionOutputTextArea(positionDisplay);
getContentPane().add(statusbar, BorderLayout.SOUTH);
}
private void save() {
new Thread() {
public void run() {
try {
statusMessage.setText(Messages.getString("DocumentView.36") + URIUtils.urlDecodeUtf8(resource.getId())); //$NON-NLS-1$
if (collection instanceof Observable)
((Observable) collection)
.addObserver(new ProgressObserver());
progress.setIndeterminate(true);
progress.setVisible(true);
resource.setContent(text.getText());
collection.storeResource(resource);
if (collection instanceof Observable)
((Observable) collection).deleteObservers();
} catch (XMLDBException e) {
ClientFrame.showErrorMessage(Messages.getString("DocumentView.37") //$NON-NLS-1$
+ e.getMessage(), e);
} finally {
progress.setVisible(false);
}
}
}.start();
}
private void saveAs()
{
new Thread()
{
public void run()
{
//Get the name to save the resource as
String nameres = JOptionPane.showInputDialog(null, Messages.getString("DocumentView.38")); //$NON-NLS-1$
if (nameres != null)
{
try
{
//Change status message and display a progress dialog
statusMessage.setText(Messages.getString("DocumentView.39") + nameres); //$NON-NLS-1$
if (collection instanceof Observable)
((Observable) collection).addObserver(new ProgressObserver());
progress.setIndeterminate(true);
progress.setVisible(true);
//Create a new resource as named, set the content, store the resource
XMLResource result = null;
result = (XMLResource) collection.createResource(URIUtils.encodeXmldbUriFor(nameres).toString(), XMLResource.RESOURCE_TYPE);
result.setContent(text.getText());
collection.storeResource(result);
client.reloadCollection(); //reload the client collection
if (collection instanceof Observable)
((Observable) collection).deleteObservers();
}
catch (XMLDBException e)
{
ClientFrame.showErrorMessage(Messages.getString("DocumentView.40") + e.getMessage(), e); //$NON-NLS-1$
} catch (URISyntaxException e) {
ClientFrame.showErrorMessage(Messages.getString("DocumentView.41") + e.getMessage(), e); //$NON-NLS-1$
}
finally
{
//hide the progress dialog
progress.setVisible(false);
}
}
}
}.start();
}
private void export() throws XMLDBException {
String workDir = properties.getProperty("working-dir", System //$NON-NLS-1$
.getProperty("user.dir")); //$NON-NLS-1$
JFileChooser chooser = new JFileChooser(workDir);
chooser.setMultiSelectionEnabled(false);
chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
chooser.setSelectedFile(new File(resource.getId()));
if (chooser.showDialog(this, Messages.getString("DocumentView.44")) == JFileChooser.APPROVE_OPTION) { //$NON-NLS-1$
File file = chooser.getSelectedFile();
if (file.exists()
&& JOptionPane.showConfirmDialog(this,
Messages.getString("DocumentView.45"), Messages.getString("DocumentView.46"), //$NON-NLS-1$ //$NON-NLS-2$
JOptionPane.YES_NO_OPTION) == JOptionPane.NO_OPTION)
return;
try {
OutputStreamWriter writer = new OutputStreamWriter(
new FileOutputStream(file), Charset.forName(properties
.getProperty("encoding"))); //$NON-NLS-1$
writer.write(text.getText());
writer.close();
} catch (IOException e) {
ClientFrame.showErrorMessage(Messages.getString("DocumentView.48") //$NON-NLS-1$
+ e.getMessage(), e);
}
File selectedDir = chooser.getCurrentDirectory();
properties
.setProperty("working-dir", selectedDir.getAbsolutePath()); //$NON-NLS-1$
}
}
private void refresh() throws XMLDBException
{
//First unlock the resource
unlockView();
//Reload the resource
this.resource = client.retrieve(resourceName, properties.getProperty(OutputKeys.INDENT, "yes")); //$NON-NLS-1$
//View and lock the resource
viewDocument();
}
public void setText(String content) throws XMLDBException {
text.setText(""); //$NON-NLS-1$
text.setText(content);
text.setCaretPosition(0);
text.scrollToCaret();
statusMessage.setText(Messages.getString("DocumentView.52") + XmldbURI.create(client.getCollection().getName()).append(resourceName) +Messages.getString("DocumentView.53")+properties.getProperty("uri")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
class ProgressObserver implements Observer {
int mode = 0;
public void update(Observable o, Object arg) {
progress.setIndeterminate(false);
ProgressIndicator ind = (ProgressIndicator) arg;
progress.setValue(ind.getPercentage());
if (o instanceof TextSearchEngine)
progress.setString("Storing words"); //$NON-NLS-1$
else if (o instanceof ElementIndex)
progress.setString("Storing elements"); //$NON-NLS-1$
}
}
}