/*
* 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.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;
import java.util.ArrayList;
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() );
}
}
}
}