1 /*
2  * This file is part of the LibreOffice project.
3  *
4  * This Source Code Form is subject to the terms of the Mozilla Public
5  * License, v. 2.0. If a copy of the MPL was not distributed with this
6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
7  *
8  * This file incorporates work covered by the following license notice:
9  *
10  *   Licensed to the Apache Software Foundation (ASF) under one or more
11  *   contributor license agreements. See the NOTICE file distributed
12  *   with this work for additional information regarding copyright
13  *   ownership. The ASF licenses this file to you under the Apache
14  *   License, Version 2.0 (the "License"); you may not use this file
15  *   except in compliance with the License. You may obtain a copy of
16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
17  */
18 package org.libreoffice.report.pentaho.parser.rpt;
19 
20 import org.libreoffice.report.pentaho.OfficeNamespaces;
21 import org.libreoffice.report.pentaho.model.FormattedTextElement;
22 import org.libreoffice.report.pentaho.parser.ElementReadHandler;
23 
24 import org.jfree.report.expressions.FormulaExpression;
25 import org.jfree.report.structure.Element;
26 
27 import org.pentaho.reporting.libraries.xmlns.parser.IgnoreAnyChildReadHandler;
28 import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
29 
30 import org.xml.sax.Attributes;
31 import org.xml.sax.SAXException;
32 
33 /**
34  * Creation-Date: 01.10.2006, 19:06:45
35  *
36  */
37 public class FormattedTextReadHandler extends ElementReadHandler
38 {
39 
40     private final FormattedTextElement element;
41 
FormattedTextReadHandler()42     public FormattedTextReadHandler()
43     {
44         element = new FormattedTextElement();
45     }
46 
47     /**
48      * Starts parsing.
49      *
50      * @param attrs the attributes.
51      * @throws org.xml.sax.SAXException if there is a parsing error.
52      */
53     @Override
startParsing(final Attributes attrs)54     protected void startParsing(final Attributes attrs) throws SAXException
55     {
56         super.startParsing(attrs);
57 
58         final String formula = attrs.getValue(OfficeNamespaces.OOREPORT_NS, "formula");
59         if (formula != null)
60         {
61             final FormulaExpression valueExpression = new FormulaExpression();
62             valueExpression.setFormula(formula);
63             element.setValueExpression(valueExpression);
64         }
65 
66         // * Print-Repeated-Values
67         // * Print-In-First-New-Section
68         // * Print-When-Group-Change
69 
70         // * Print-When-Section-Overflows
71         // That property cannot be evaluated yet, as this would require us to
72         // have a clue about pagebreaking. We don't have that - not yet and never
73         // in the future, as pagebreaks are computed by OpenOffice instead
74     }
75 
76     /**
77      * Returns the handler for a child element.
78      *
79      * @param tagName the tag name.
80      * @param atts    the attributes.
81      * @return the handler or null, if the tagname is invalid.
82      * @throws org.xml.sax.SAXException if there is a parsing error.
83      */
84     @Override
getHandlerForChild(final String uri, final String tagName, final Attributes atts)85     protected XmlReadHandler getHandlerForChild(final String uri,
86             final String tagName,
87             final Attributes atts)
88             throws SAXException
89     {
90         if (OfficeNamespaces.OOREPORT_NS.equals(uri))
91         {
92             // expect a report control. The control will modify the current
93             // element (as we do not separate the elements that strictly...)
94             if ("report-control".equals(tagName))
95             {
96                 return new IgnoreAnyChildReadHandler();
97             }
98             if ("report-element".equals(tagName))
99             {
100                 return new ReportElementReadHandler(element);
101             }
102         }
103         return null;
104     }
105 
106     @Override
getElement()107     public Element getElement()
108     {
109         return element;
110     }
111 }
112