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

Source Code of org.pentaho.reporting.designer.core.actions.report.AdjustBandSizeAction

/*!
* 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.event.ActionEvent;
import javax.swing.Action;

import org.pentaho.reporting.designer.core.ReportDesignerBoot;
import org.pentaho.reporting.designer.core.actions.AbstractReportContextAction;
import org.pentaho.reporting.designer.core.actions.ActionMessages;
import org.pentaho.reporting.designer.core.editor.ReportDocumentContext;
import org.pentaho.reporting.designer.core.model.CachedLayoutData;
import org.pentaho.reporting.designer.core.model.ModelUtility;
import org.pentaho.reporting.designer.core.util.IconLoader;
import org.pentaho.reporting.engine.classic.core.AbstractReportDefinition;
import org.pentaho.reporting.engine.classic.core.Element;
import org.pentaho.reporting.engine.classic.core.ReportElement;
import org.pentaho.reporting.engine.classic.core.RootLevelBand;
import org.pentaho.reporting.engine.classic.core.Section;
import org.pentaho.reporting.engine.classic.core.SubReport;
import org.pentaho.reporting.engine.classic.core.util.geom.StrictGeomUtility;

/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public final class AdjustBandSizeAction extends AbstractReportContextAction
{

  public AdjustBandSizeAction()
  {
    putValue(Action.SMALL_ICON, IconLoader.getInstance().getLayoutBandsIcon());
    putValue(Action.NAME, ActionMessages.getString("AdjustBandSizeAction.Text"));
    putValue(Action.DEFAULT, ActionMessages.getString("AdjustBandSizeAction.Description"));
    putValue(Action.MNEMONIC_KEY, ActionMessages.getOptionalMnemonic("AdjustBandSizeAction.Mnemonic"));
    putValue(Action.ACCELERATOR_KEY, ActionMessages.getOptionalKeyStroke("AdjustBandSizeAction.Accelerator"));
  }


  /**
   * Invoked when an action occurs.
   */
  public void actionPerformed(final ActionEvent e)
  {
    final ReportDocumentContext activeContext = getActiveContext();
    if (activeContext == null)
    {
      return;
    }

    final AbstractReportDefinition definition = activeContext.getReportDefinition();
    iterateSection(definition);
    getReportDesignerContext().getView().redrawAll();
  }

  private void iterateSection(final Section s)
  {
    final int elementCount = s.getElementCount();
    for (int i = 0; i < elementCount; i++)
    {
      final ReportElement e = s.getElement(i);
      if (e instanceof SubReport)
      {
        continue;
      }
      if (e instanceof RootLevelBand)
      {
        final CachedLayoutData layoutData = ModelUtility.getCachedLayoutData((Element) e);
        final double height = StrictGeomUtility.toExternalValue(layoutData.getHeight());
        e.setAttribute(ReportDesignerBoot.DESIGNER_NAMESPACE, "visual-height", new Double(height)); // NON-NLS
      }

      if (e instanceof Section)
      {
        iterateSection((Section) e);
      }

    }
  }
}
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