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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed 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.
*/
/* $Id$ */
package org.apache.fop.fo.pagination;
// XML
import org.xml.sax.Attributes;
import org.xml.sax.Locator;
import org.xml.sax.SAXParseException;
// FOP
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.FObj;
import org.apache.fop.layoutmgr.AddLMVisitor;
/**
* A conditional-page-master-reference formatting object.
* This is a reference to a page master with a set of conditions.
* The conditions must be satisfied for the referenced master to
* be used.
* This element is must be the child of a repeatable-page-master-alternatives
* element.
*/
public class ConditionalPageMasterReference extends FObj {
private RepeatablePageMasterAlternatives repeatablePageMasterAlternatives;
private String masterName;
private int pagePosition;
private int oddOrEven;
private int blankOrNotBlank;
/**
* @see org.apache.fop.fo.FONode#FONode(FONode)
*/
public ConditionalPageMasterReference(FONode parent) {
super(parent);
}
/**
* @see org.apache.fop.fo.FONode#validateChildNode(Locator, String, String)
* XSL Content Model: empty
*/
protected void validateChildNode(Locator loc, String nsURI, String localName)
throws SAXParseException {
invalidChildError(loc, nsURI, localName);
}
/**
* @see org.apache.fop.fo.FObj#addProperties
*/
protected void addProperties(Attributes attlist) throws SAXParseException {
super.addProperties(attlist);
if (getProperty(PR_MASTER_REFERENCE) != null) {
setMasterName(getProperty(PR_MASTER_REFERENCE).getString());
}
validateParent(parent);
this.pagePosition = this.propertyList.get(PR_PAGE_POSITION).getEnum();
this.oddOrEven = this.propertyList.get(PR_ODD_OR_EVEN).getEnum();
this.blankOrNotBlank = this.propertyList.get(PR_BLANK_OR_NOT_BLANK).getEnum();
}
/**
* Sets the master name.
* @param masterName name for the master
*/
protected void setMasterName(String masterName) {
this.masterName = masterName;
}
/**
* Returns the "master-name" attribute of this page master reference
* @return the master name
*/
public String getMasterName() {
return masterName;
}
/**
* Check if the conditions for this reference are met.
* checks the page number and emptyness to determine if this
* matches.
* @param isOddPage True if page number odd
* @param isFirstPage True if page is first page
* @param isBlankPage True if page is blank
* @return True if the conditions for this reference are met
*/
protected boolean isValid(boolean isOddPage,
boolean isFirstPage,
boolean isBlankPage) {
// page-position
if (isFirstPage) {
if (pagePosition == PagePosition.REST) {
return false;
} else if (pagePosition == PagePosition.LAST) {
// ?? how can one know at this point?
getLogger().debug("LAST PagePosition NYI");
return false;
}
} else {
if (pagePosition == PagePosition.FIRST) {
return false;
} else if (pagePosition == PagePosition.LAST) {
// ?? how can one know at this point?
getLogger().debug("LAST PagePosition NYI");
// potentially valid, don't return
}
}
// odd-or-even
if (isOddPage) {
if (oddOrEven == OddOrEven.EVEN) {
return false;
}
} else {
if (oddOrEven == OddOrEven.ODD) {
return false;
}
}
// blank-or-not-blank
if (isBlankPage) {
if (blankOrNotBlank == BlankOrNotBlank.NOT_BLANK) {
return false;
}
} else {
if (blankOrNotBlank == BlankOrNotBlank.BLANK) {
return false;
}
}
return true;
}
/**
* Check that the parent is the right type of formatting object
* repeatable-page-master-alternatives.
* @param parent parent node
* @throws FOPException If the parent is invalid
*/
protected void validateParent(FONode parent) throws SAXParseException {
if (parent.getName().equals("fo:repeatable-page-master-alternatives")) {
this.repeatablePageMasterAlternatives =
(RepeatablePageMasterAlternatives)parent;
if (getMasterName() == null) {
getLogger().warn("single-page-master-reference"
+ "does not have a master-name and so is being ignored");
} else {
this.repeatablePageMasterAlternatives.addConditionalPageMasterReference(this);
}
} else {
throw new SAXParseException("fo:conditional-page-master-reference must be child "
+ "of fo:repeatable-page-master-alternatives, not "
+ parent.getName(), locator);
}
}
public void acceptVisitor(AddLMVisitor aLMV) {
aLMV.serveConditionalPageMasterReference(this);
}
public String getName() {
return "fo:conditional-page-master-reference";
}
}
|
