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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/*
* $Id: BasicLink.java,v 1.21 2003/03/06 11:36:31 jeremias Exp $
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "FOP" and "Apache Software Foundation" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache", nor may
* "Apache" appear in their name, without prior written permission of the
* Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ============================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Apache Software Foundation and was originally created by
* James Tauber <jtauber@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.fop.fo.flow;
// Java
import java.util.List;
import java.io.Serializable;
// FOP
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.properties.CommonAccessibility;
import org.apache.fop.fo.properties.CommonAural;
import org.apache.fop.fo.properties.CommonBorderAndPadding;
import org.apache.fop.fo.properties.CommonBackground;
import org.apache.fop.fo.properties.CommonMarginInline;
import org.apache.fop.fo.properties.CommonRelativePosition;
import org.apache.fop.area.inline.InlineParent;
import org.apache.fop.area.Trait;
import org.apache.fop.area.Resolveable;
import org.apache.fop.area.PageViewport;
import org.apache.fop.area.Area;
import org.apache.fop.layoutmgr.InlineStackingLayoutManager;
import org.apache.fop.layoutmgr.LMiter;
import org.apache.fop.layoutmgr.LayoutProcessor;
/**
* The basic link.
* This sets the basic link trait on the inline parent areas
* that are created by the fo element.
*/
public class BasicLink extends Inline {
private String link = null;
private boolean external = false;
/**
* @param parent FONode that is the parent of this object
*/
public BasicLink(FONode parent) {
super(parent);
}
/**
* Add start and end properties for the link
* @see org.apache.fop.fo.FObj#addLayoutManager
*/
public void addLayoutManager(List lms) {
setup();
InlineStackingLayoutManager lm;
lm = new InlineStackingLayoutManager() {
protected InlineParent createArea() {
InlineParent area = super.createArea();
setupLinkArea(parentLM, area);
return area;
}
};
lm.setUserAgent(getUserAgent());
lm.setFObj(this);
lm.setLMiter(new LMiter(children.listIterator()));
lms.add(lm);
}
protected void setupLinkArea(LayoutProcessor parentLM, InlineParent area) {
if (link == null) {
return;
}
if (external) {
area.addTrait(Trait.EXTERNAL_LINK, link);
} else {
PageViewport page = parentLM.resolveRefID(link);
if (page != null) {
area.addTrait(Trait.INTERNAL_LINK, page.getKey());
} else {
LinkResolver res = new LinkResolver(link, area);
parentLM.addUnresolvedArea(link, res);
}
}
}
private void setup() {
String destination;
int linkType;
// Common Accessibility Properties
CommonAccessibility mAccProps = propMgr.getAccessibilityProps();
// Common Aural Properties
CommonAural mAurProps = propMgr.getAuralProps();
// Common Border, Padding, and Background Properties
CommonBorderAndPadding bap = propMgr.getBorderAndPadding();
CommonBackground bProps = propMgr.getBackgroundProps();
// Common Margin Properties-Inline
CommonMarginInline mProps = propMgr.getMarginInlineProps();
// Common Relative Position Properties
CommonRelativePosition mRelProps = propMgr.getRelativePositionProps();
// this.properties.get("alignment-adjust");
// this.properties.get("alignment-baseline");
// this.properties.get("baseline-shift");
// this.properties.get("destination-place-offset");
// this.properties.get("dominant-baseline");
String ext = properties.get("external-destination").getString();
setupID();
// this.properties.get("indicate-destination");
String internal = properties.get("internal-destination").getString();
if (ext.length() > 0) {
link = ext;
external = true;
} else if (internal.length() > 0) {
link = internal;
} else {
getLogger().error("basic-link requires an internal or external destination");
}
// this.properties.get("keep-together");
// this.properties.get("keep-with-next");
// this.properties.get("keep-with-previous");
// this.properties.get("line-height");
// this.properties.get("line-height-shift-adjustment");
// this.properties.get("show-destination");
// this.properties.get("target-processing-context");
// this.properties.get("target-presentation-context");
// this.properties.get("target-stylesheet");
}
/**
* @return true (BasicLink can contain Markers)
*/
protected boolean containsMarkers() {
return true;
}
/**
* Link resolving for resolving internal links.
* This is static since it is independant of the link fo.
*/
protected static class LinkResolver implements Resolveable, Serializable {
private boolean resolved = false;
private String idRef;
private Area area;
/**
* Create a new link resolver.
*
* @param id the id to resolve
* @param a the area that will have the link attribute
*/
public LinkResolver(String id, Area a) {
idRef = id;
area = a;
}
/**
* @return true if this link is resolved
*/
public boolean isResolved() {
return resolved;
}
public String[] getIDs() {
return new String[] {idRef};
}
/**
* Resolve by adding an internal link.
*/
public void resolve(String id, List pages) {
resolved = true;
if (idRef.equals(id) && pages != null) {
PageViewport page = (PageViewport)pages.get(0);
area.addTrait(Trait.INTERNAL_LINK, page.getKey());
}
}
}
}
|
