blob: 8c06ac02160688d50ea94f4c94308aa547890412 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
package org.libreoffice.report.pentaho.parser.rpt;
import org.libreoffice.report.OfficeToken;
import org.libreoffice.report.pentaho.OfficeNamespaces;
import org.libreoffice.report.pentaho.model.ImageElement;
import org.libreoffice.report.pentaho.parser.ElementReadHandler;
import org.libreoffice.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.
*
*/
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.
*/
@Override
protected void startParsing(final Attributes attrs) throws SAXException
{
super.startParsing(attrs);
final String formula = attrs.getValue(OfficeNamespaces.OOREPORT_NS, "formula");
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.
*/
@Override
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 modify 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.
*/
@Override
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());
}
}
@Override
public Element getElement()
{
return contentElement;
}
}
|
