/*
* 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) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.modules.parser.simple.readhandlers;
import org.pentaho.reporting.engine.classic.core.Element;
import org.pentaho.reporting.engine.classic.core.elementfactory.BandElementFactory;
import org.pentaho.reporting.engine.classic.core.elementfactory.ElementFactory;
import org.pentaho.reporting.engine.classic.core.function.FormulaExpression;
import org.pentaho.reporting.engine.classic.core.function.sys.GetDataRowValueExpression;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.PropertyAttributes;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.ReportParserUtil;
import org.pentaho.reporting.engine.classic.core.style.ElementStyleKeys;
import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
import org.xml.sax.SAXException;
public class AnchorFieldReadHandler extends AbstractElementReadHandler
{
private BandElementFactory elementFactory;
private String fieldName;
private String formula;
public AnchorFieldReadHandler()
{
elementFactory = new BandElementFactory();
}
/**
* Starts parsing.
*
* @param atts the attributes.
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected void startParsing(final PropertyAttributes atts)
throws SAXException
{
elementFactory.setName(atts.getValue(getUri(), AbstractElementReadHandler.NAME_ATT));
final String posX = atts.getValue(getUri(), "x");
if (posX != null)
{
elementFactory.setX(new Float(ReportParserUtil.parseRelativeFloat
(posX, "Attribute 'x' not valid", getLocator())));
}
final String posY = atts.getValue(getUri(), "y");
if (posY != null)
{
elementFactory.setY(new Float(ReportParserUtil.parseRelativeFloat
(posY, "Attribute 'y' not valid", getLocator())));
}
fieldName = atts.getValue(getUri(), "fieldname");
formula = atts.getValue(getUri(), "formula");
if (formula == null && fieldName == null)
{
throw new ParseException
("Either 'fieldname' or 'formula' attribute must be given.", getLocator());
}
}
protected ElementFactory getElementFactory()
{
return elementFactory;
}
/**
* Done parsing.
*
* @throws SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
super.doneParsing();
final Element element = getElement();
if (fieldName != null)
{
final GetDataRowValueExpression ex = new GetDataRowValueExpression();
ex.setField(fieldName);
element.setStyleExpression(ElementStyleKeys.ANCHOR_NAME, ex);
}
else if (formula != null)
{
final FormulaExpression fe = new FormulaExpression();
fe.setFormula(formula);
element.setStyleExpression(ElementStyleKeys.ANCHOR_NAME, fe);
}
}
}