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Diffstat (limited to 'reportbuilder/java/com/sun/star/report/pentaho/parser/rpt/ImageReadHandler.java')
-rw-r--r-- | reportbuilder/java/com/sun/star/report/pentaho/parser/rpt/ImageReadHandler.java | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/reportbuilder/java/com/sun/star/report/pentaho/parser/rpt/ImageReadHandler.java b/reportbuilder/java/com/sun/star/report/pentaho/parser/rpt/ImageReadHandler.java new file mode 100644 index 000000000000..1695eac68fe0 --- /dev/null +++ b/reportbuilder/java/com/sun/star/report/pentaho/parser/rpt/ImageReadHandler.java @@ -0,0 +1,141 @@ +/************************************************************************* + * + * 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.ImageElement; +import com.sun.star.report.pentaho.parser.ElementReadHandler; +import com.sun.star.report.pentaho.parser.xlink.XLinkReadHandler; + +import org.jfree.report.expressions.FormulaExpression; +import org.jfree.report.structure.Element; + +import org.pentaho.reporting.libraries.xmlns.parser.IgnoreAnyChildReadHandler; +import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler; + +import org.xml.sax.Attributes; +import org.xml.sax.SAXException; + +/** + * Deals with Image-content. There are two ways to specify the image; + * as formula or as static image data. + * + * @author Thomas Morgner + */ +public class ImageReadHandler extends ElementReadHandler +{ + + private final ImageElement contentElement; + private XLinkReadHandler xLinkReadHandler; + + public ImageReadHandler() + { + contentElement = new ImageElement(); + } + + /** + * 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 formula = attrs.getValue(OfficeNamespaces.OOREPORT_NS, "formula"); +// final String preserveIRI = attrs.getValue(OfficeNamespaces.OOREPORT_NS, OfficeToken.PRESERVE_IRI); + if (formula != null && formula.length() != 0) + { + // now, the evaulated content ends up in the 'content' attribute of the + // element. + final FormulaExpression valueExpression = new FormulaExpression(); + valueExpression.setFormula(formula); + contentElement.setFormula(valueExpression); + } + + contentElement.setNamespace(OfficeNamespaces.FORM_NS); + contentElement.setType(OfficeToken.IMAGE); + } + + /** + * 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.DRAWING_NS.equals(uri) && OfficeToken.IMAGE_DATA.equals(tagName)) + { + xLinkReadHandler = new XLinkReadHandler(); + return xLinkReadHandler; + } + + if (OfficeNamespaces.OOREPORT_NS.equals(uri)) + { + // expect a report control. The control will modifiy the current + // element (as we do not separate the elements that strictly ..) + if ("report-control".equals(tagName)) + { + return new IgnoreAnyChildReadHandler(); + } + if ("report-element".equals(tagName)) + { + return new ReportElementReadHandler(contentElement); + } + } + return null; + } + + /** + * Done parsing. + * + * @throws org.xml.sax.SAXException if there is a parsing error. + */ + protected void doneParsing() throws SAXException + { + // if we have static content (as well or only), that one goes into the + // alternate-content attribute right now. It is part of the output target + // and style rules to deal with them properly .. + if (xLinkReadHandler != null) + { + contentElement.setAttribute(OfficeNamespaces.OOREPORT_NS, + "alternate-content", xLinkReadHandler.getUri()); + } + } + + public Element getElement() + { + return contentElement; + } +} |