/*!
* 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) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.demo.features.loading;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.io.File;
import java.net.URL;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFileChooser;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.filechooser.FileFilter;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.demo.util.AbstractDemoHandler;
import org.pentaho.reporting.engine.classic.demo.util.ReportDefinitionException;
import org.pentaho.reporting.libraries.base.util.FilesystemFilter;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
import org.pentaho.reporting.libraries.resourceloader.Resource;
import org.pentaho.reporting.libraries.resourceloader.ResourceManager;
public class FileLoadingDemo extends AbstractDemoHandler
{
private class BrowseAction extends AbstractAction
{
private JFileChooser fileChooser;
/**
* Defines an <code>Action</code> object with a default
* description string and default icon.
*/
private BrowseAction()
{
putValue(Action.NAME, "Browse");
}
/**
* Invoked when an action occurs.
*/
public void actionPerformed(final ActionEvent e)
{
if (fileChooser == null)
{
final FileFilter filter = new FilesystemFilter
(new String[]{".xml", ".report", ".prpt", ".prpti"}, "Report Definitions (*.xml, *.report, *.prpt)", true);
fileChooser = new JFileChooser();
fileChooser.setAcceptAllFileFilterUsed(true);
fileChooser.addChoosableFileFilter(filter);
fileChooser.setMultiSelectionEnabled(false);
}
if (fileChooser.showOpenDialog(panel) != JFileChooser.APPROVE_OPTION)
{
return;
}
final File selectedFile = fileChooser.getSelectedFile();
if (selectedFile != null)
{
textField.setText(selectedFile.getAbsolutePath());
}
}
}
private JPanel panel;
private JTextField textField;
public FileLoadingDemo()
{
textField = new JTextField();
textField.setColumns(40);
panel = new JPanel();
panel.setLayout(new BorderLayout());
final JPanel selectCarrier = new JPanel();
selectCarrier.add(textField, BorderLayout.CENTER);
selectCarrier.add(new JButton(new BrowseAction()));
panel.add(selectCarrier, BorderLayout.NORTH);
}
/**
* Returns the display name of the demo.
*
* @return the name.
*/
public String getDemoName()
{
return "File Loading Demo";
}
/**
* Creates the report. For XML reports, this will most likely call the ReportGenerator, while API reports may use this
* function to build and return a new, fully initialized report object.
*
* @return the fully initialized JFreeReport object.
* @throws org.pentaho.reporting.engine.classic.demo.util.ReportDefinitionException
* if an error occured preventing the report definition.
*/
public MasterReport createReport() throws ReportDefinitionException
{
final File file = new File (textField.getText());
try
{
ResourceManager manager = new ResourceManager();
Resource res = manager.createDirectly(file, MasterReport.class);
return (MasterReport) res.getResource();
}
catch (Exception e)
{
throw new ReportDefinitionException("Parsing failed", e);
}
}
/**
* Returns the URL of the HTML document describing this demo.
*
* @return the demo description.
*/
public URL getDemoDescriptionSource()
{
return ObjectUtilities.getResourceRelative
("file-loading.html", FileLoadingDemo.class);
}
/**
* Returns the presentation component for this demo. This component is shown before the real report generation is
* started. Ususally it contains a JTable with the demo data and/or input components, which allow to configure the
* report.
*
* @return the presentation component, never null.
*/
public JComponent getPresentationComponent()
{
return panel;
}
}