| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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; |
| } |
| } |