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
|
/*
* 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;
// Java
import java.util.ArrayList;
// XML
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.fo.PropertyList;
import org.apache.fop.fo.properties.Property;
/**
* A repeatable-page-master-alternatives formatting object.
* This contains a list of conditional-page-master-reference
* and the page master is found from the reference that
* matches the page number and emptyness.
*/
public class RepeatablePageMasterAlternatives extends FObj
implements SubSequenceSpecifier {
// The value of properties relevant for fo:repeatable-page-master-alternatives.
private Property maximumRepeats;
// End of property values
private static final int INFINITE = -1;
/**
* Max times this page master can be repeated.
* INFINITE is used for the unbounded case
*/
private int _maximumRepeats;
private int numberConsumed = 0;
private ArrayList conditionalPageMasterRefs;
/**
* @see org.apache.fop.fo.FONode#FONode(FONode)
*/
public RepeatablePageMasterAlternatives(FONode parent) {
super(parent);
}
/**
* @see org.apache.fop.fo.FObj#bind(PropertyList)
*/
public void bind(PropertyList pList) {
maximumRepeats = pList.get(PR_MAXIMUM_REPEATS);
}
/**
* @see org.apache.fop.fo.FONode#startOfNode
*/
protected void startOfNode() throws SAXParseException {
conditionalPageMasterRefs = new ArrayList();
if (parent.getName().equals("fo:page-sequence-master")) {
PageSequenceMaster pageSequenceMaster = (PageSequenceMaster)parent;
pageSequenceMaster.addSubsequenceSpecifier(this);
} else {
throw new SAXParseException("fo:repeatable-page-master-alternatives "
+ "must be child of fo:page-sequence-master, not "
+ parent.getName(), locator);
}
}
/**
* @see org.apache.fop.fo.FONode#endOfNode
*/
protected void endOfNode() throws SAXParseException {
if (childNodes == null) {
missingChildElementError("(conditional-page-master-reference+)");
}
}
/**
* @see org.apache.fop.fo.FONode#validateChildNode(Locator, String, String)
XSL/FOP: (conditional-page-master-reference+)
*/
protected void validateChildNode(Locator loc, String nsURI, String localName)
throws SAXParseException {
if (!(nsURI == FO_URI &&
localName.equals("conditional-page-master-reference"))) {
invalidChildError(loc, nsURI, localName);
}
}
/**
* Return the "maximum-repeats" property.
*/
public int getMaximumRepeats() {
if (maximumRepeats.getEnum() == NO_LIMIT) {
return INFINITE;
} else {
int mr = maximumRepeats.getNumeric().getValue();
if (mr < 0) {
getLogger().debug("negative maximum-repeats: "
+ this.maximumRepeats);
mr = 0;
}
return mr;
}
}
/**
* Get the next matching page master from the conditional
* page master references.
* @see org.apache.fop.fo.pagination.SubSequenceSpecifier
*/
public String getNextPageMasterName(boolean isOddPage,
boolean isFirstPage,
boolean isBlankPage) {
if (_maximumRepeats != INFINITE) {
if (numberConsumed < _maximumRepeats) {
numberConsumed++;
} else {
return null;
}
}
for (int i = 0; i < conditionalPageMasterRefs.size(); i++) {
ConditionalPageMasterReference cpmr =
(ConditionalPageMasterReference)conditionalPageMasterRefs.get(i);
if (cpmr.isValid(isOddPage, isFirstPage, isBlankPage)) {
return cpmr.getMasterReference();
}
}
return null;
}
/**
* Adds a new conditional page master reference.
* @param cpmr the new conditional reference
*/
public void addConditionalPageMasterReference(ConditionalPageMasterReference cpmr) {
this.conditionalPageMasterRefs.add(cpmr);
}
/**
* @see org.apache.fop.fo.pagination.SubSequenceSpecifier#reset()
*/
public void reset() {
this.numberConsumed = 0;
}
public String getName() {
return "fo:repeatable-page-master-alternatives";
}
/**
* @see org.apache.fop.fo.FObj#getNameId()
*/
public int getNameId() {
return FO_REPEATABLE_PAGE_MASTER_ALTERNATIVES;
}
}
|
