diff options
Diffstat (limited to 'reportbuilder/java/com/sun/star/report/pentaho/parser/rpt/GroupReadHandler.java')
-rw-r--r-- | reportbuilder/java/com/sun/star/report/pentaho/parser/rpt/GroupReadHandler.java | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/reportbuilder/java/com/sun/star/report/pentaho/parser/rpt/GroupReadHandler.java b/reportbuilder/java/com/sun/star/report/pentaho/parser/rpt/GroupReadHandler.java new file mode 100644 index 000000000000..3516f6e047ad --- /dev/null +++ b/reportbuilder/java/com/sun/star/report/pentaho/parser/rpt/GroupReadHandler.java @@ -0,0 +1,182 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ +package com.sun.star.report.pentaho.parser.rpt; + +import com.sun.star.report.OfficeToken; +import com.sun.star.report.pentaho.OfficeNamespaces; +import com.sun.star.report.pentaho.model.OfficeGroup; +import com.sun.star.report.pentaho.model.OfficeGroupInstanceSection; +import com.sun.star.report.pentaho.parser.ElementReadHandler; + +import java.util.ArrayList; +import java.util.List; + +import org.jfree.report.JFreeReportInfo; +import org.jfree.report.expressions.FormulaExpression; +import org.jfree.report.structure.Element; +import org.jfree.report.structure.Section; + +import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler; + +import org.xml.sax.Attributes; +import org.xml.sax.SAXException; + + +public class GroupReadHandler extends ElementReadHandler +{ + + private GroupSectionReadHandler groupHeader; + private GroupSectionReadHandler groupFooter; + private GroupReadHandler childGroup; + private RootTableReadHandler detailSection; + private final OfficeGroup group; + private final OfficeGroupInstanceSection groupInstanceSection; + private final List functionHandlers; + private final ReportReadHandler rh; + + public GroupReadHandler(final ReportReadHandler _rh) + { + rh = _rh; + group = new OfficeGroup(); + groupInstanceSection = new OfficeGroupInstanceSection(); + groupInstanceSection.setNamespace(JFreeReportInfo.REPORT_NAMESPACE); + groupInstanceSection.setType("group-instance"); + group.addNode(groupInstanceSection); + functionHandlers = new ArrayList(); + } + + /** + * Starts parsing. + * + * @param attrs the attributes. + * @throws org.xml.sax.SAXException if there is a parsing error. + */ + protected void startParsing(final Attributes attrs) throws SAXException + { + super.startParsing(attrs); + + final String groupExpr = attrs.getValue(OfficeNamespaces.OOREPORT_NS, "group-expression"); + if (groupExpr != null && !"".equals(groupExpr)) + { + final FormulaExpression function = new FormulaExpression(); + function.setFormula(groupExpr); + groupInstanceSection.setGroupingExpression(function); + } + } + + /** + * 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 Attributes atts) + throws SAXException + { + if (!OfficeNamespaces.OOREPORT_NS.equals(uri)) + { + return null; + } + if ("function".equals(tagName)) + { + final FunctionReadHandler erh = new FunctionReadHandler(); + functionHandlers.add(erh); + return erh; + } + if ("group-header".equals(tagName)) + { + groupHeader = new GroupSectionReadHandler(); + return groupHeader; + } + if ("group".equals(tagName)) + { + childGroup = new GroupReadHandler(rh); + return childGroup; + } + if ("detail".equals(tagName)) + { + detailSection = new DetailRootTableReadHandler(); + rh.setDetail(detailSection); + return detailSection; + } + if ("group-footer".equals(tagName)) + { + ((Element) ((Section) rh.getDetail().getElement()).getNode(0)).setAttribute(JFreeReportInfo.REPORT_NAMESPACE, "has-group-footer", OfficeToken.TRUE); + groupFooter = new GroupSectionReadHandler(); + return groupFooter; + } + return null; + } + + /** + * Done parsing. + * + * @throws org.xml.sax.SAXException if there is a parsing error. + */ + protected void doneParsing() throws SAXException + { + for (int i = 0; i < functionHandlers.size(); i++) + { + final FunctionReadHandler handler = + (FunctionReadHandler) functionHandlers.get(i); + groupInstanceSection.addExpression(handler.getExpression()); + } + + if (groupHeader != null) + { + groupInstanceSection.addNode(groupHeader.getElement()); + } + + final Section groupBody = new Section(); + groupBody.setNamespace(JFreeReportInfo.REPORT_NAMESPACE); + groupBody.setType("group-body"); + groupInstanceSection.addNode(groupBody); + // XOR: Either the detail or the group section can be set .. + if (detailSection != null) + { + groupBody.addNode(detailSection.getElement()); + } + else if (childGroup != null) + { + groupBody.addNode(childGroup.getElement()); + } + + if (groupFooter != null) + { + groupInstanceSection.addNode(groupFooter.getElement()); + } + } + + public Element getElement() + { + return group; + } +} |