Package org.pentaho.reporting.designer.core.actions.report.export

Source Code of org.pentaho.reporting.designer.core.actions.report.export.AbstractExportAction

/*!
* 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.export;

import java.awt.Component;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.Action;

import org.pentaho.reporting.designer.core.ReportDesignerContext;
import org.pentaho.reporting.designer.core.actions.AbstractReportContextAction;
import org.pentaho.reporting.designer.core.editor.ReportDocumentContext;
import org.pentaho.reporting.designer.core.editor.ReportRenderContext;
import org.pentaho.reporting.designer.core.util.exceptions.UncaughtExceptionsModel;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.core.modules.gui.commonswing.AbstractGuiContext;
import org.pentaho.reporting.engine.classic.core.modules.gui.commonswing.ExportActionPlugin;
import org.pentaho.reporting.engine.classic.core.modules.gui.commonswing.SwingCommonModule;
import org.pentaho.reporting.libraries.designtime.swing.LibSwingUtil;

/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public abstract class AbstractExportAction extends AbstractReportContextAction
{
  private class DefaultExportContext extends AbstractGuiContext
  {
    public Window getWindow()
    {
      final ReportDesignerContext context = getReportDesignerContext();
      if (context == null)
      {
        return null;
      }
      final Component parent = context.getView().getParent();
      return LibSwingUtil.getWindowAncestor(parent);
    }

    public MasterReport getReportJob()
    {
      final ReportDocumentContext activeContext = getActiveContext();
      if (activeContext == null)
      {
        return null;
      }
      return activeContext.getContextRoot();
    }

    public void fireReportChange(final MasterReport oldReport, final MasterReport newReport)
    {
      firePropertyChange("reportJob", oldReport, newReport);//$NON-NLS-1$
    }
  }

  private class EnableChangeListener implements PropertyChangeListener
  {
    protected EnableChangeListener()
    {
    }

    public void propertyChange(final PropertyChangeEvent evt)
    {
      setEnabled(getActiveContext() != null && actionPlugin.isEnabled());
    }
  }

  private ExportActionPlugin actionPlugin;
  private DefaultExportContext exportContext;

  public AbstractExportAction(final ExportActionPlugin actionPlugin)
  {
    this.actionPlugin = actionPlugin;
    this.exportContext = new DefaultExportContext();
    this.actionPlugin.addPropertyChangeListener("enabled", new EnableChangeListener()); //$NON-NLS-1$
    this.actionPlugin.initialize(exportContext);

    putValue(Action.NAME, actionPlugin.getDisplayName());
    putValue(Action.SHORT_DESCRIPTION, actionPlugin.getShortDescription());
    putValue(Action.MNEMONIC_KEY, actionPlugin.getMnemonicKey());
    putValue(Action.SMALL_ICON, actionPlugin.getSmallIcon());
    putValue(SwingCommonModule.LARGE_ICON_PROPERTY, actionPlugin.getLargeIcon());

    setEnabled(actionPlugin.isEnabled());
  }

  protected void updateActiveContext(final ReportRenderContext oldContext, final ReportRenderContext newContext)
  {
    super.updateActiveContext(oldContext, newContext);

    final MasterReport oldReport;
    if (oldContext != null)
    {
      oldReport = oldContext.getMasterReportElement();
    }
    else
    {
      oldReport = null;
    }
    final MasterReport newReport;
    if (newContext != null)
    {
      newReport = newContext.getMasterReportElement();
    }
    else
    {
      newReport = null;
    }

    exportContext.fireReportChange(oldReport, newReport);
    setEnabled(newContext != null && actionPlugin.isEnabled());
  }

  public void actionPerformed(final ActionEvent e)
  {
    if (getActiveContext() == null)
    {
      return;
    }

    if (actionPlugin.isEnabled() == false)
    {
      return;
    }

    final MasterReport reportJob = getActiveContext().getContextRoot();
    if (reportJob == null)
    {
      return;
    }

    try
    {
      actionPlugin.performExport(reportJob.clone());
    }
    catch (Exception e1)
    {
      UncaughtExceptionsModel.getInstance().addException(e1);
    }
  }
}
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