Package net.sf.jasperreports.engine.export

Source Code of net.sf.jasperreports.engine.export.JRXlsAbstractExporterNature

/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2009 Jaspersoft Corporation. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see <http://www.gnu.org/licenses/>.
*/

/*
* Contributors:
* Greg Hilton
*/

package net.sf.jasperreports.engine.export;

import net.sf.jasperreports.engine.JRGenericPrintElement;
import net.sf.jasperreports.engine.JRPrintElement;
import net.sf.jasperreports.engine.JRPrintFrame;
import net.sf.jasperreports.engine.JRPrintText;
import net.sf.jasperreports.engine.util.JRProperties;

/**
* @author Teodor Danciu (teodord@users.sourceforge.net)
* @version $Id: JRXlsAbstractExporterNature.java 4015 2010-10-27 10:44:19Z teodord $
*/
public class JRXlsAbstractExporterNature implements ExporterNature
{
 
  public static final String PROPERTY_BREAK_BEFORE_ROW = JRProperties.PROPERTY_PREFIX + "export.xls.break.before.row";
  public static final String PROPERTY_BREAK_AFTER_ROW = JRProperties.PROPERTY_PREFIX + "export.xls.break.after.row";

  protected ExporterFilter filter;
  protected boolean isIgnoreGraphics;
  protected boolean isIgnorePageMargins;

  /**
   *
   */
  protected JRXlsAbstractExporterNature(ExporterFilter filter, boolean isIgnoreGraphics)
  {
    this(filter, isIgnoreGraphics, false);
  }
 
  /**
   *
   */
  protected JRXlsAbstractExporterNature(ExporterFilter filter, boolean isIgnoreGraphics, boolean isIgnorePageMargins)
  {
    this.filter = filter;
    this.isIgnoreGraphics = isIgnoreGraphics;
    this.isIgnorePageMargins = isIgnorePageMargins;
  }
 
  /**
   *
   */
  public boolean isToExport(JRPrintElement element)
  {
    boolean isToExport = true;
    if (element instanceof JRGenericPrintElement)
    {
      JRGenericPrintElement genericElement = (JRGenericPrintElement) element;
      GenericElementHtmlHandler handler = (GenericElementHtmlHandler) //FIXMENOW html handler???
      GenericElementHandlerEnviroment.getHandler(
          genericElement.getGenericType(), JRHtmlExporter.HTML_EXPORTER_KEY);
      if (handler == null || !handler.toExport(genericElement))
      {
        isToExport = false;
      }
    }

    return
      isToExport
      && (!isIgnoreGraphics || (element instanceof JRPrintText) || (element instanceof JRPrintFrame))
      && (filter == null || filter.isToExport(element));
  }
 
  /**
   *
   */
  public boolean isDeep(JRPrintFrame frame)
  {
    return true;
  }
 
  /**
   *
   */
  public boolean isSplitSharedRowSpan()
  {
    return false;
  }

  /**
   *
   */
  public boolean isSpanCells()
  {
    return true;
  }
 
  /**
   *
   */
  public boolean isIgnoreLastRow()
  {
    return false;
  }
 
  /**
   *
   */
  public boolean isHorizontallyMergeEmptyCells()
  {
    return false;
  }

  /**
   * Specifies whether empty page margins should be ignored
   */
  public boolean isIgnorePageMargins()
  {
    return isIgnorePageMargins;
  }
 
  /**
   *
   */
  public boolean isBreakBeforeRow(JRPrintElement element)
  {
    return Boolean.valueOf(element.getPropertiesMap().getProperty(PROPERTY_BREAK_BEFORE_ROW)).booleanValue();
  }
 
  /**
   *
   */
  public boolean isBreakAfterRow(JRPrintElement element)
  {
    return Boolean.valueOf(element.getPropertiesMap().getProperty(PROPERTY_BREAK_AFTER_ROW)).booleanValue();
  }
 
}
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