/*
* 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 java.util.ArrayList;
import org.pentaho.reporting.engine.classic.core.AbstractRootLevelBand;
import org.pentaho.reporting.engine.classic.core.Band;
import org.pentaho.reporting.engine.classic.core.SubReport;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.PropertyAttributes;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.common.IncludeSubReportReadHandler;
import org.pentaho.reporting.engine.classic.core.style.BandStyleKeys;
import org.pentaho.reporting.engine.classic.core.style.ElementStyleKeys;
import org.pentaho.reporting.libraries.xmlns.common.ParserUtil;
import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
import org.xml.sax.SAXException;
public class RootLevelBandReadHandler extends BandReadHandler
{
/**
* Literal text for an XML attribute.
*/
public static final String FIXED_POSITION_ATTRIBUTE = "fixed-position";
/**
* Literal text for an XML attribute.
*/
public static final String PAGEBREAK_BEFORE_ATTR = "pagebreak-before-print";
/**
* Literal text for an XML attribute.
*/
public static final String HEIGHT_ATTRIBUTE = "height";
/**
* Literal text for an XML attribute.
*/
public static final String PAGEBREAK_AFTER_ATTRIBUTE = "pagebreak-after-print";
/**
* Literal text for an XML attribute.
*/
public static final String ALIGNMENT_ATT = "alignment";
/**
* Literal text for an XML attribute.
*/
public static final String VALIGNMENT_ATT = "vertical-alignment";
private ArrayList subReportHandlers;
public RootLevelBandReadHandler(final Band band)
{
super(band);
subReportHandlers = new ArrayList();
}
/**
* Starts parsing.
*
* @param attr the attributes.
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected void startParsing(final PropertyAttributes attr)
throws SAXException
{
super.startParsing(attr);
handleHeight(attr);
handleFixedPosition(attr);
if (isManualBreakAllowed())
{
handleBreakAfter(attr);
handleBreakBefore(attr);
}
}
/**
* Returns the handler for a child element.
*
* @param tagName the tag name.
* @param atts the attributes.
* @return the handler or null, if the tagname is invalid.
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected XmlReadHandler getHandlerForChild(final String uri,
final String tagName,
final PropertyAttributes atts)
throws SAXException
{
if (isSameNamespace(uri))
{
if ("sub-report".equals(tagName))
{
final IncludeSubReportReadHandler subReportReadHandler =
new IncludeSubReportReadHandler();
subReportHandlers.add(subReportReadHandler);
return subReportReadHandler;
}
}
return super.getHandlerForChild(uri, tagName, atts);
}
protected boolean isManualBreakAllowed()
{
return true;
}
private void handleFixedPosition(final PropertyAttributes attr)
throws SAXException
{
final String fixedPos = attr.getValue(getUri(), RootLevelBandReadHandler.FIXED_POSITION_ATTRIBUTE);
if (fixedPos != null)
{
final float fixedPosValue = ParserUtil.parseFloat
(fixedPos, "FixedPosition is invalid!", getLocator());
getBand().getStyle().setStyleProperty(BandStyleKeys.FIXED_POSITION,
new Float(fixedPosValue));
}
}
private void handleHeight(final PropertyAttributes attr)
throws ParseException
{
final String height = attr.getValue(getUri(), RootLevelBandReadHandler.HEIGHT_ATTRIBUTE);
if (height != null)
{
final float heightValue = ParserUtil.parseFloat
(height, "Height is invalid.", getLocator());
getBand().getStyle().setStyleProperty(ElementStyleKeys.MIN_HEIGHT, new Float(heightValue));
}
}
private void handleBreakBefore(final PropertyAttributes attr)
throws SAXException
{
final String breakBeforeAttr = attr.getValue(getUri(), RootLevelBandReadHandler.PAGEBREAK_BEFORE_ATTR);
final Boolean breakBefore = ParserUtil.parseBoolean(breakBeforeAttr, getLocator());
getBand().getStyle().setStyleProperty
(BandStyleKeys.PAGEBREAK_BEFORE, breakBefore);
}
private void handleBreakAfter(final PropertyAttributes attr)
throws SAXException
{
final String breakAfterAttr = attr.getValue(getUri(), RootLevelBandReadHandler.PAGEBREAK_AFTER_ATTRIBUTE);
if (breakAfterAttr != null)
{
final Boolean breakAfter = ParserUtil.parseBoolean(breakAfterAttr, getLocator());
getBand().getStyle().setStyleProperty
(BandStyleKeys.PAGEBREAK_AFTER, breakAfter);
}
}
/**
* Done parsing.
*
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
super.doneParsing();
final Band band = getBand();
if (band instanceof AbstractRootLevelBand)
{
final AbstractRootLevelBand arlb = (AbstractRootLevelBand) band;
for (int i = 0; i < subReportHandlers.size(); i++)
{
final IncludeSubReportReadHandler handler =
(IncludeSubReportReadHandler) subReportHandlers.get(i);
arlb.addSubReport((SubReport) handler.getObject());
}
}
}
}