/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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.
*
* Copyright (c) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.demo.ancient.demo.swingicons;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.StringTokenizer;
import javax.swing.Action;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.reporting.engine.classic.core.modules.gui.commonswing.action.AbstractFileSelectionAction;
import org.pentaho.reporting.engine.classic.core.modules.misc.configstore.base.ConfigFactory;
import org.pentaho.reporting.engine.classic.core.modules.misc.configstore.base.ConfigStorage;
import org.pentaho.reporting.engine.classic.core.util.ImageUtils;
import org.pentaho.reporting.libraries.base.config.Configuration;
import org.pentaho.reporting.libraries.base.config.DefaultConfiguration;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
/**
* A demonstration application. <P> This demo is written up in the JFreeReport PDF Documentation. Please notify David
* Gilbert (david.gilbert@object-refinery.com) if you need to make changes to this file. <P> To run this demo, you need
* to have the Java Look and Feel Icons jar file on your classpath.
*
* @author David Gilbert
*/
public class SwingIconsDemoPanel extends JPanel
{
private static final Log logger = LogFactory.getLog(SwingIconsDemoPanel.class);
private class SelectRepositoryFileAction extends AbstractFileSelectionAction
{
private File selectedFile;
protected SelectRepositoryFileAction()
{
super(SwingIconsDemoPanel.this);
putValue(Action.NAME, "Select graphics archive ..");
this.putValue(Action.SMALL_ICON, ImageUtils.createTransparentIcon(16, 16));
this.putValue("ICON24", ImageUtils.createTransparentIcon(24, 24));
}
/**
* Invoked when an action occurs.
*/
public void actionPerformed(final ActionEvent e)
{
selectedFile = performSelectFile(selectedFile, JFileChooser.OPEN_DIALOG, true);
if (selectedFile != null)
{
if (selectedFile.exists() && selectedFile.canRead() && selectedFile.isFile())
{
try
{
loadData(selectedFile.toURI().toURL());
}
catch (MalformedURLException ex)
{
logger.warn("Unable to form local file URL. Is there no local filesystem?");
}
}
}
}
/**
* Returns a descriptive text describing the file extension.
*
* @return the file description.
*/
protected String getFileDescription()
{
return "Java Look and Feel Graphics Repository";
}
/**
* Returns the file extension that should be used for the operation.
*
* @return the file extension.
*/
protected String getFileExtension()
{
return ".jar";
}
}
/**
* The data for the report.
*/
private SwingIconsDemoTableModel data;
/**
* Constructs the demo application.
*/
public SwingIconsDemoPanel()
{
data = new SwingIconsDemoTableModel();
setLayout(new BorderLayout());
setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
final JTable table = new JTable(data);
table.setDefaultRenderer(Image.class, new ImageCellRenderer());
table.setRowHeight(26);
final JScrollPane scrollPane = new JScrollPane(table);
add(scrollPane, BorderLayout.CENTER);
final JPanel buttonPanel = new JPanel();
buttonPanel.setLayout(new FlowLayout(FlowLayout.TRAILING));
buttonPanel.add(new JButton(new SelectRepositoryFileAction()));
add(buttonPanel, BorderLayout.SOUTH);
loadData(findDataFile());
}
protected void loadData(final URL sourceURL)
{
if (sourceURL != null)
{
// on success update the config path, else clear the path.
if (this.data.readData(sourceURL))
{
storeToConfiguration(sourceURL);
return;
}
else
{
final String message =
("There was a problem while loading 'jlfgr-1_0.jar'.\n"
+ "A URL was given, but the contents seems to be invalid.\n\n"
+ "You may download this jar-file from: \n"
+ "http://java.sun.com/developer/techDocs/hi/repository/");
logger.warn(message);
}
}
this.data.clear();
storeToConfiguration(null);
}
/**
* Loads the URL of the Graphics Repository from the local configuration.
*
* @return the loaded URL or null, if the configuration did not hold an entry.
*/
protected URL loadFromConfiguration()
{
final String configPath = ConfigFactory.encodePath("SwingIconsDemo-TableModel");
final ConfigStorage cs = ConfigFactory.getInstance().getUserStorage();
if (cs.isAvailable(configPath) == false)
{
return null;
}
try
{
final Configuration p = cs.load(configPath, null);
final String property = p.getConfigProperty("repository-path");
if (property == null)
{
return null;
}
return new URL(property);
}
catch (Exception e)
{
return null;
}
}
protected void storeToConfiguration(final URL url)
{
final String configPath = ConfigFactory.encodePath("SwingIconsDemo-TableModel");
final ConfigStorage cs = ConfigFactory.getInstance().getUserStorage();
try
{
final DefaultConfiguration p = new DefaultConfiguration();
if (url != null)
{
p.setConfigProperty("repository-path", url.toExternalForm());
}
cs.store(configPath, p);
}
catch (Exception e)
{
// ignored ..
logger.debug("Unable to store the configuration.", e);
}
}
/**
* Searches for the 'jlfgr_1_0.jar' file on the classpath, in the classpath directories and the working directory. If
* that fails, the user is asked to choose the correct file.
*
* @return the URL to the graphics repository.
*/
private URL findDataFile()
{
final URL url = ObjectUtilities.getResource("jlfgr-1_0.jar", SwingIconsDemoPanel.class);
if (url != null)
{
return url;
}
final URL urlFromConfig = loadFromConfiguration();
if (urlFromConfig != null)
{
return urlFromConfig;
}
final File localFile = new File("jlfgr-1_0.jar");
if (localFile.exists() && localFile.canRead() && localFile.isFile())
{
try
{
return localFile.toURI().toURL();
}
catch (MalformedURLException e)
{
logger.warn("Unable to form local file URL. Is there no local filesystem?");
}
}
final File classpathFile = findFileOnClassPath("jlfgr-1_0.jar");
if (classpathFile != null)
{
if (classpathFile.exists() && classpathFile.canRead() && classpathFile.isFile())
{
try
{
return classpathFile.toURI().toURL();
}
catch (MalformedURLException e)
{
logger.warn("Unable to form local file URL. Is there no local filesystem?");
}
}
}
if (warnedUser == false && GraphicsEnvironment.isHeadless() == false)
{
warnedUser = true;
final String title = "Unable to load the icons.";
final String message = ("Unable to find 'jlfgr-1_0.jar'\n"
+ "Please make sure you have the Java Look and Feel Graphics Repository in "
+ "in your classpath, the same directory as the JFreeReport-jar files or in "
+ "the current working directory.\n\n"
+ "You may download this jar-file from: \n"
+ "http://java.sun.com/developer/techDocs/hi/repository/");
JOptionPane.showMessageDialog(this, message, title, JOptionPane.ERROR_MESSAGE);
}
return null;
}
private static boolean warnedUser;
/**
* Returns a reference to a file with the specified name that is located somewhere on the classpath. The code for
* this method is an adaptation of code supplied by Dave Postill.
*
* @param name the filename.
* @return a reference to a file or <code>null</code> if no file could be found.
*/
public static File findFileOnClassPath(final String name)
{
final String classpath = System.getProperty("java.class.path");
final String pathSeparator = System.getProperty("path.separator");
final StringTokenizer tokenizer = new StringTokenizer(classpath, pathSeparator);
while (tokenizer.hasMoreTokens())
{
final String pathElement = tokenizer.nextToken();
final File directoryOrJar = new File(pathElement);
final File absoluteDirectoryOrJar = directoryOrJar.getAbsoluteFile();
if (absoluteDirectoryOrJar.isFile())
{
final File target = new File(absoluteDirectoryOrJar.getParent(), name);
if (target.exists())
{
return target;
}
}
else
{
final File target = new File(directoryOrJar, name);
if (target.exists())
{
return target;
}
}
}
return null;
}
public SwingIconsDemoTableModel getData()
{
return data;
}
}