JFreeReportPreviewSwingComponent.java

/*
 * 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 2006 - 2009 Pentaho Corporation.  All rights reserved.
 *
*/
package org.pentaho.platform.plugin.action.jfreereport.outputs;

import java.awt.Dialog;
import java.awt.Frame;

import org.jfree.ui.RefineryUtilities;
import org.pentaho.platform.plugin.action.jfreereport.AbstractJFreeReportComponent;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.core.modules.gui.base.PreviewDialog;
import org.pentaho.reporting.engine.classic.core.modules.gui.base.ReportController;
import org.pentaho.reporting.libraries.base.config.ModifiableConfiguration;

/**
 * Creation-Date: 07.07.2006, 14:06:43
 * 
 * @author Thomas Morgner
 */
public class JFreeReportPreviewSwingComponent extends AbstractGenerateContentComponent {
  private static final long serialVersionUID = -8158403113060631980L;

  private static final String PROGRESS_DIALOG_ENABLED_KEY = "org.jfree.report.modules.gui.base.ProgressDialogEnabled";//$NON-NLS-1$

  private static final String PROGRESS_BAR_ENABLED_KEY = "org.jfree.report.modules.gui.base.ProgressBarEnabled";//$NON-NLS-1$

  public JFreeReportPreviewSwingComponent() {
  }

  @Override
  protected boolean performExport(final MasterReport report) {
    final ModifiableConfiguration reportConfiguration = report.getReportConfiguration();

    final boolean progressBar = getInputBooleanValue(AbstractJFreeReportComponent.REPORTSWING_PROGRESSBAR,
        "true".equals(reportConfiguration.getConfigProperty(JFreeReportPreviewSwingComponent.PROGRESS_BAR_ENABLED_KEY)));//$NON-NLS-1$
    final boolean progressDialog = getInputBooleanValue(
        AbstractJFreeReportComponent.REPORTSWING_PROGRESSDIALOG,
        "true".equals(reportConfiguration.getConfigProperty(JFreeReportPreviewSwingComponent.PROGRESS_DIALOG_ENABLED_KEY)));//$NON-NLS-1$
    reportConfiguration.setConfigProperty(JFreeReportPreviewSwingComponent.PROGRESS_DIALOG_ENABLED_KEY, String
        .valueOf(progressDialog));
    reportConfiguration.setConfigProperty(JFreeReportPreviewSwingComponent.PROGRESS_BAR_ENABLED_KEY, String
        .valueOf(progressBar));

    final PreviewDialog dialog = createDialog(report);
    final ReportController reportController = getReportController();
    if (reportController != null) {
      dialog.setReportController(reportController);
    }
    dialog.pack();
    if (dialog.getParent() != null) {
      RefineryUtilities.centerDialogInParent(dialog);
    } else {
      RefineryUtilities.centerFrameOnScreen(dialog);
    }

    dialog.setVisible(true);
    return true;
  }

  private ReportController getReportController() {
    if (isDefinedInput(AbstractJFreeReportComponent.REPORTSWING_REPORTCONTROLLER)) {
      final Object controller = getInputValue(AbstractJFreeReportComponent.REPORTSWING_REPORTCONTROLLER);
      if (controller instanceof ReportController) {
        return (ReportController) controller;
      }
    }
    return null;
  }

  private PreviewDialog createDialog(final MasterReport report) {
    final boolean modal = getInputBooleanValue(AbstractJFreeReportComponent.REPORTSWING_MODAL, true);

    if (isDefinedInput(AbstractJFreeReportComponent.REPORTSWING_PARENTDIALOG)) {
      final Object parent = getInputValue(AbstractJFreeReportComponent.REPORTSWING_PARENTDIALOG);
      if (parent instanceof Dialog) {
        return new PreviewDialog(report, (Dialog) parent, modal);
      } else if (parent instanceof Frame) {
        return new PreviewDialog(report, (Frame) parent, modal);
      }
    }

    final PreviewDialog previewDialog = new PreviewDialog(report);
    previewDialog.setModal(modal);
    return previewDialog;
  }
}