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

Source Code of org.pentaho.reporting.designer.core.actions.report.MigrateReportAction$MigrationUpdateListener

/*!
* 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;

import java.awt.Component;
import java.awt.Window;
import java.awt.event.ActionEvent;
import javax.swing.Action;
import javax.swing.JDialog;
import javax.swing.JFrame;

import org.pentaho.reporting.designer.core.ReportDesignerContext;
import org.pentaho.reporting.designer.core.actions.AbstractReportContextAction;
import org.pentaho.reporting.designer.core.actions.ActionMessages;
import org.pentaho.reporting.designer.core.editor.ReportRenderContext;
import org.pentaho.reporting.designer.core.editor.migration.MigrationDialog;
import org.pentaho.reporting.engine.classic.core.AbstractReportDefinition;
import org.pentaho.reporting.engine.classic.core.AttributeNames;
import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.core.designtime.AttributeChange;
import org.pentaho.reporting.engine.classic.core.event.ReportModelEvent;
import org.pentaho.reporting.engine.classic.core.event.ReportModelListener;
import org.pentaho.reporting.libraries.designtime.swing.LibSwingUtil;

public class MigrateReportAction extends AbstractReportContextAction
{
  private class MigrationUpdateListener implements ReportModelListener
  {
    private MigrationUpdateListener()
    {
    }

    public void nodeChanged(final ReportModelEvent event)
    {
      if (event.getType() != ReportModelEvent.NODE_PROPERTIES_CHANGED)
      {
        return;
      }
      if ((event.getElement() instanceof MasterReport) == false)
      {
        return;
      }

      final MasterReport masterReport = (MasterReport) event.getElement();
      final Object parameter = event.getParameter();
      if (parameter instanceof AttributeChange)
      {
        final AttributeChange change = (AttributeChange) parameter;
        if (AttributeNames.Internal.NAMESPACE.equals(change.getNamespace()) &&
                AttributeNames.Internal.COMAPTIBILITY_LEVEL.equals(change.getName()))
        {
          updateCompatibilityLevel(masterReport);
        }
      }
    }
  }

  private MigrationUpdateListener updateListener;

  public MigrateReportAction()
  {
    putValue(Action.NAME, ActionMessages.getString("MigrateReportAction.Text"));
    putValue(Action.DEFAULT, ActionMessages.getString("MigrateReportAction.Description"));
    putValue(Action.MNEMONIC_KEY, ActionMessages.getOptionalMnemonic("MigrateReportAction.Mnemonic"));
    putValue(Action.ACCELERATOR_KEY, ActionMessages.getOptionalKeyStroke("MigrateReportAction.Accelerator"));
    updateListener = new MigrationUpdateListener();
  }

  protected void updateActiveContext(final ReportRenderContext oldContext, final ReportRenderContext newContext)
  {
    if (oldContext != null)
    {
      oldContext.getMasterReportElement().removeReportModelListener(updateListener);
    }

    if (newContext == null)
    {
      setEnabled(false);
      return;
    }

    newContext.getMasterReportElement().addReportModelListener(updateListener);

    final AbstractReportDefinition reportDefinition = newContext.getReportDefinition();
    if (reportDefinition instanceof MasterReport == false)
    {
      setEnabled(false);
      return;
    }

    updateCompatibilityLevel((MasterReport) reportDefinition);

  }

  protected void updateCompatibilityLevel(final MasterReport reportDefinition)
  {
    final Integer compatibilityLevel = reportDefinition.getCompatibilityLevel();
    if (compatibilityLevel == null)
    {
      setEnabled(false);
      return;
    }
    if (compatibilityLevel <= 0)
    {
      setEnabled(false);
      return;
    }

    setEnabled(compatibilityLevel < ClassicEngineBoot.computeCurrentVersionId());
  }

  public void actionPerformed(final ActionEvent e)
  {
    final ReportDesignerContext context = getReportDesignerContext();
    migrateReport(context);
  }

  public static void migrateReport(final ReportDesignerContext context)
  {
    final Component parent = context.getView().getParent();
    final Window window = LibSwingUtil.getWindowAncestor(parent);
    final MigrationDialog dialog;
    if (window instanceof JDialog)
    {
      dialog = new MigrationDialog((JDialog) window);
    }
    else if (window instanceof JFrame)
    {
      dialog = new MigrationDialog((JFrame) window);
    }
    else
    {
      dialog = new MigrationDialog();
    }

    dialog.performMigration(context, context.getActiveContext());
  }
}
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