/*!
* 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.designer.core.actions.report.preview;
import java.awt.Component;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import javax.swing.Action;
import javax.swing.JDialog;
import javax.swing.JFrame;
import org.pentaho.reporting.designer.core.actions.AbstractReportContextAction;
import org.pentaho.reporting.designer.core.actions.ActionMessages;
import org.pentaho.reporting.designer.core.util.ExternalToolLauncher;
import org.pentaho.reporting.designer.core.util.IconLoader;
import org.pentaho.reporting.designer.core.util.exceptions.UncaughtExceptionsModel;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.core.layout.output.ReportProcessor;
import org.pentaho.reporting.engine.classic.core.modules.gui.base.PreviewParametersDialog;
import org.pentaho.reporting.engine.classic.core.modules.gui.commonswing.ExceptionDialog;
import org.pentaho.reporting.engine.classic.core.modules.gui.commonswing.ReportProgressDialog;
import org.pentaho.reporting.engine.classic.core.modules.output.fast.csv.FastCsvExportProcessor;
import org.pentaho.reporting.engine.classic.core.modules.output.fast.validator.ReportStructureValidator;
import org.pentaho.reporting.engine.classic.core.modules.output.table.base.StreamReportProcessor;
import org.pentaho.reporting.engine.classic.core.modules.output.table.csv.StreamCSVOutputProcessor;
import org.pentaho.reporting.libraries.designtime.swing.LibSwingUtil;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public final class PreviewCsvAction extends AbstractReportContextAction
{
public PreviewCsvAction()
{
putValue(Action.NAME, ActionMessages.getString("PreviewCsvAction.Text"));
putValue(Action.SHORT_DESCRIPTION, ActionMessages.getString("PreviewCsvAction.Description"));
putValue(Action.MNEMONIC_KEY, ActionMessages.getOptionalMnemonic("PreviewCsvAction.Mnemonic"));
putValue(Action.ACCELERATOR_KEY, ActionMessages.getOptionalKeyStroke("PreviewCsvAction.Accelerator"));
putValue(Action.SMALL_ICON, IconLoader.getInstance().getPreviewCSVIcon());
}
/**
* Invoked when an action occurs.
*/
public void actionPerformed(final ActionEvent e)
{
if (getActiveContext() == null)
{
return;
}
final MasterReport reportElement = getActiveContext().getContextRoot();
final Component parent = getReportDesignerContext().getView().getParent();
final Window window = LibSwingUtil.getWindowAncestor(parent);
if (PreviewParametersDialog.process(window, reportElement))
{
final ReportProgressDialog dialog;
if (window instanceof JDialog)
{
dialog = new ReportProgressDialog((JDialog) window);
}
else if (window instanceof JFrame)
{
dialog = new ReportProgressDialog((JFrame) window);
}
else
{
dialog = new ReportProgressDialog();
}
final Thread t = new Thread(new ExportTask(reportElement, dialog));
t.setDaemon(true);
t.start();
}
}
private static class ExportTask implements Runnable
{
private MasterReport report;
private ReportProgressDialog progressDialog;
private ExportTask(final MasterReport report,
final ReportProgressDialog progressDialog)
{
this.report = report;
this.progressDialog = progressDialog;
}
public void run()
{
try
{
final File tempFile = File.createTempFile("report-designer-preview", ".csv");//$NON-NLS-1$
tempFile.deleteOnExit();
final FileOutputStream fout = new FileOutputStream(tempFile);
try
{
final BufferedOutputStream bout = new BufferedOutputStream(fout);
ReportProcessor reportProcessor;
ReportStructureValidator validator = new ReportStructureValidator();
if (validator.isValidForFastProcessing(report) == false)
{
final StreamCSVOutputProcessor target = new StreamCSVOutputProcessor(bout);
reportProcessor = new StreamReportProcessor(report, target);
}
else
{
reportProcessor = new FastCsvExportProcessor(report, bout);
}
reportProcessor.addReportProgressListener(progressDialog);
progressDialog.setVisibleInEDT(true);
reportProcessor.processReport();
reportProcessor.close();
bout.flush();
reportProcessor.removeReportProgressListener(progressDialog);
}
finally
{
fout.close();
}
progressDialog.setVisibleInEDT(false);
ExternalToolLauncher.openCSV(tempFile);
}
catch (Exception e1)
{
UncaughtExceptionsModel.getInstance().addException(e1);
progressDialog.dispose();
final String errorMessage = ActionMessages.getString("PreviewReport.Error.Text");
final String errorTitle = ActionMessages.getString("PreviewReport.Error.Title");
ExceptionDialog.showExceptionDialog(progressDialog.getParent(), errorTitle, errorMessage, e1);
}
}
}
}