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17
18
19
20 package org.apache.fop.layoutmgr;
21
22 import java.util.ArrayList  ;
23 import java.util.Map ;
24 import java.util.HashMap ;
25 import java.util.List ;
26 import java.util.Iterator ;
27
28 import org.apache.commons.logging.Log;
29 import org.apache.commons.logging.LogFactory;
30
31 import org.apache.fop.fo.FONode;
32 import org.apache.fop.fo.FOText;
33 import org.apache.fop.fo.FObjMixed;
34 import org.apache.fop.fo.flow.BasicLink;
35 import org.apache.fop.fo.flow.BidiOverride;
36 import org.apache.fop.fo.flow.Block;
37 import org.apache.fop.fo.flow.BlockContainer;
38 import org.apache.fop.fo.flow.Character;
39 import org.apache.fop.fo.flow.ExternalGraphic;
40 import org.apache.fop.fo.flow.Footnote;
41 import org.apache.fop.fo.flow.Inline;
42 import org.apache.fop.fo.flow.InlineLevel;
43 import org.apache.fop.fo.flow.InlineContainer;
44 import org.apache.fop.fo.flow.InstreamForeignObject;
45 import org.apache.fop.fo.flow.Leader;
46 import org.apache.fop.fo.flow.ListBlock;
47 import org.apache.fop.fo.flow.ListItem;
48 import org.apache.fop.fo.flow.PageNumber;
49 import org.apache.fop.fo.flow.PageNumberCitation;
50 import org.apache.fop.fo.flow.PageNumberCitationLast;
51 import org.apache.fop.fo.flow.RetrieveMarker;
52 import org.apache.fop.fo.flow.Table;
53 import org.apache.fop.fo.flow.TableBody;
54 import org.apache.fop.fo.flow.TableCell;
55 import org.apache.fop.fo.flow.TableColumn;
56 import org.apache.fop.fo.flow.TableFooter;
57 import org.apache.fop.fo.flow.TableHeader;
58 import org.apache.fop.fo.flow.TableRow;
59 import org.apache.fop.fo.flow.Wrapper;
60 import org.apache.fop.fo.pagination.Flow;
61 import org.apache.fop.fo.pagination.PageSequence;
62 import org.apache.fop.fo.pagination.SideRegion;
63 import org.apache.fop.fo.pagination.StaticContent;
64 import org.apache.fop.fo.pagination.Title;
65 import org.apache.fop.area.AreaTreeHandler;
66
67 import org.apache.fop.layoutmgr.inline.BasicLinkLayoutManager;
68 import org.apache.fop.layoutmgr.inline.BidiLayoutManager;
69 import org.apache.fop.layoutmgr.inline.CharacterLayoutManager;
70 import org.apache.fop.layoutmgr.inline.ContentLayoutManager;
71 import org.apache.fop.layoutmgr.inline.ExternalGraphicLayoutManager;
72 import org.apache.fop.layoutmgr.inline.FootnoteLayoutManager;
73 import org.apache.fop.layoutmgr.inline.ICLayoutManager;
74 import org.apache.fop.layoutmgr.inline.InlineLayoutManager;
75 import org.apache.fop.layoutmgr.inline.InlineLevelLayoutManager;
76 import org.apache.fop.layoutmgr.inline.InstreamForeignObjectLM;
77 import org.apache.fop.layoutmgr.inline.LeaderLayoutManager;
78 import org.apache.fop.layoutmgr.inline.PageNumberCitationLayoutManager;
79 import org.apache.fop.layoutmgr.inline.PageNumberCitationLastLayoutManager;
80 import org.apache.fop.layoutmgr.inline.PageNumberLayoutManager;
81 import org.apache.fop.layoutmgr.inline.TextLayoutManager;
82 import org.apache.fop.layoutmgr.inline.WrapperLayoutManager;
83 import org.apache.fop.layoutmgr.list.ListBlockLayoutManager;
84 import org.apache.fop.layoutmgr.list.ListItemLayoutManager;
85 import org.apache.fop.layoutmgr.table.TableLayoutManager;
86 import org.apache.fop.util.CharUtilities;
87
88
91 public class LayoutManagerMapping implements LayoutManagerMaker {
92
93
94 protected static Log log = LogFactory.getLog(LayoutManagerMapping.class);
95
96
97 private Map makers = new HashMap ();
98
99 public LayoutManagerMapping() {
100 initialize();
101 }
102
103
106 protected void initialize() {
107 makers.put(FOText.class, new FOTextLayoutManagerMaker());
108 makers.put(FObjMixed.class, new Maker());
109 makers.put(BidiOverride.class, new BidiOverrideLayoutManagerMaker());
110 makers.put(Inline.class, new InlineLayoutManagerMaker());
111 makers.put(Footnote.class, new FootnodeLayoutManagerMaker());
112 makers.put(InlineContainer.class,
113 new InlineContainerLayoutManagerMaker());
114 makers.put(BasicLink.class, new BasicLinkLayoutManagerMaker());
115 makers.put(Block.class, new BlockLayoutManagerMaker());
116 makers.put(Leader.class, new LeaderLayoutManagerMaker());
117 makers.put(RetrieveMarker.class, new RetrieveMarkerLayoutManagerMaker());
118 makers.put(Character .class, new CharacterLayoutManagerMaker());
119 makers.put(ExternalGraphic.class,
120 new ExternalGraphicLayoutManagerMaker());
121 makers.put(BlockContainer.class,
122 new BlockContainerLayoutManagerMaker());
123 makers.put(ListItem.class, new ListItemLayoutManagerMaker());
124 makers.put(ListBlock.class, new ListBlockLayoutManagerMaker());
125 makers.put(InstreamForeignObject.class,
126 new InstreamForeignObjectLayoutManagerMaker());
127 makers.put(PageNumber.class, new PageNumberLayoutManagerMaker());
128 makers.put(PageNumberCitation.class,
129 new PageNumberCitationLayoutManagerMaker());
130 makers.put(PageNumberCitationLast.class,
131 new PageNumberCitationLastLayoutManagerMaker());
132 makers.put(Table.class, new TableLayoutManagerMaker());
133 makers.put(TableBody.class, new Maker());
134 makers.put(TableColumn.class, new Maker());
135 makers.put(TableRow.class, new Maker());
136 makers.put(TableCell.class, new Maker());
137 makers.put(TableFooter.class, new Maker());
138 makers.put(TableHeader.class, new Maker());
139 makers.put(Wrapper.class, new WrapperLayoutManagerMaker());
140 makers.put(Title.class, new InlineLayoutManagerMaker());
141 }
142
143
146 public void makeLayoutManagers(FONode node, List lms) {
147 Maker maker = (Maker) makers.get(node.getClass());
148 if (maker == null) {
149 log.error("No LayoutManager maker for class " + node.getClass());
150 } else {
151 maker.make(node, lms);
152 }
153 }
154
155
158 public LayoutManager makeLayoutManager(FONode node) {
159 List lms = new ArrayList ();
160 makeLayoutManagers(node, lms);
161 if (lms.size() == 0) {
162 throw new IllegalStateException ("LayoutManager for class "
163 + node.getClass()
164 + " is missing.");
165 } else if (lms.size() > 1) {
166 throw new IllegalStateException ("Duplicate LayoutManagers for class "
167 + node.getClass()
168 + " found, only one may be declared.");
169 }
170 return (LayoutManager) lms.get(0);
171 }
172
173 public PageSequenceLayoutManager makePageSequenceLayoutManager(
174 AreaTreeHandler ath, PageSequence ps) {
175 return new PageSequenceLayoutManager(ath, ps);
176 }
177
178
181 public FlowLayoutManager makeFlowLayoutManager(
182 PageSequenceLayoutManager pslm, Flow flow) {
183 return new FlowLayoutManager(pslm, flow);
184 }
185
186
189 public ContentLayoutManager makeContentLayoutManager(PageSequenceLayoutManager pslm,
190 Title title) {
191 return new ContentLayoutManager(pslm, title);
192 }
193
194
197 public StaticContentLayoutManager makeStaticContentLayoutManager(
198 PageSequenceLayoutManager pslm, StaticContent sc, SideRegion reg) {
199 return new StaticContentLayoutManager(pslm, sc, reg);
200 }
201
202
205 public StaticContentLayoutManager makeStaticContentLayoutManager(
206 PageSequenceLayoutManager pslm, StaticContent sc, org.apache.fop.area.Block block) {
207 return new StaticContentLayoutManager(pslm, sc, block);
208 }
209
210 public static class Maker {
211 public void make(FONode node, List lms) {
212 return;
214 }
215 }
216
217 public static class FOTextLayoutManagerMaker extends Maker {
218 public void make(FONode node, List lms) {
219 FOText foText = (FOText) node;
220 if (foText.endIndex - foText.startIndex > 0) {
221 lms.add(new TextLayoutManager(foText));
222 }
223 }
224 }
225
226
237
238 public static class BidiOverrideLayoutManagerMaker extends Maker {
239 public void make(BidiOverride node, List lms) {
241 if (false) {
242 super.make(node, lms);
245 } else {
246 ArrayList childList = new ArrayList ();
247 super.make(node, childList);
250 for (int count = childList.size() - 1; count >= 0; count--) {
251 LayoutManager lm = (LayoutManager) childList.get(count);
252 if (lm instanceof InlineLevelLayoutManager) {
253 LayoutManager blm = new BidiLayoutManager
254 (node, (InlineLayoutManager) lm);
255 lms.add(blm);
256 } else {
257 lms.add(lm);
258 }
259 }
260 }
261 }
262 }
263
264 public static class InlineLayoutManagerMaker extends Maker {
265 public void make(FONode node, List lms) {
266 if (node.getChildNodes() != null) {
267 lms.add(new InlineLayoutManager((InlineLevel) node));
268 }
269 }
270 }
271
272 public static class FootnodeLayoutManagerMaker extends Maker {
273 public void make(FONode node, List lms) {
274 lms.add(new FootnoteLayoutManager((Footnote) node));
275 }
276 }
277
278 public static class InlineContainerLayoutManagerMaker extends Maker {
279 public void make(FONode node, List lms) {
280 ArrayList childList = new ArrayList ();
281 super.make(node, childList);
282 lms.add(new ICLayoutManager((InlineContainer) node, childList));
283 }
284 }
285
286 public static class BasicLinkLayoutManagerMaker extends Maker {
287 public void make(FONode node, List lms) {
288 lms.add(new BasicLinkLayoutManager((BasicLink) node));
289 }
290 }
291
292 public static class BlockLayoutManagerMaker extends Maker {
293 public void make(FONode node, List lms) {
294 lms.add(new BlockLayoutManager((Block) node));
295 }
296 }
297
298 public static class LeaderLayoutManagerMaker extends Maker {
299 public void make(FONode node, List lms) {
300 lms.add(new LeaderLayoutManager((Leader) node));
301 }
302 }
303
304 public static class CharacterLayoutManagerMaker extends Maker {
305 public void make(FONode node, List lms) {
306 Character foCharacter = (Character ) node;
307 if (foCharacter.getCharacter() != CharUtilities.CODE_EOT) {
308 lms.add(new CharacterLayoutManager(foCharacter));
309 }
310 }
311 }
312
313 public static class ExternalGraphicLayoutManagerMaker extends Maker {
314 public void make(FONode node, List lms) {
315 ExternalGraphic eg = (ExternalGraphic) node;
316 if (!eg.getSrc().equals("")) {
317 lms.add(new ExternalGraphicLayoutManager(eg));
318 }
319 }
320 }
321
322 public static class BlockContainerLayoutManagerMaker extends Maker {
323 public void make(FONode node, List lms) {
324 lms.add(new BlockContainerLayoutManager((BlockContainer) node));
325 }
326 }
327
328 public static class ListItemLayoutManagerMaker extends Maker {
329 public void make(FONode node, List lms) {
330 lms.add(new ListItemLayoutManager((ListItem) node));
331 }
332 }
333
334 public static class ListBlockLayoutManagerMaker extends Maker {
335 public void make(FONode node, List lms) {
336 lms.add(new ListBlockLayoutManager((ListBlock) node));
337 }
338 }
339
340 public static class InstreamForeignObjectLayoutManagerMaker extends Maker {
341 public void make(FONode node, List lms) {
342 lms.add(new InstreamForeignObjectLM((InstreamForeignObject) node));
343 }
344 }
345
346 public static class PageNumberLayoutManagerMaker extends Maker {
347 public void make(FONode node, List lms) {
348 lms.add(new PageNumberLayoutManager((PageNumber) node));
349 }
350 }
351
352 public static class PageNumberCitationLayoutManagerMaker extends Maker {
353 public void make(FONode node, List lms) {
354 lms.add(new PageNumberCitationLayoutManager((PageNumberCitation) node));
355 }
356 }
357
358 public static class PageNumberCitationLastLayoutManagerMaker extends Maker {
359 public void make(FONode node, List lms) {
360 lms.add(new PageNumberCitationLastLayoutManager((PageNumberCitationLast) node));
361 }
362 }
363
364 public static class TableLayoutManagerMaker extends Maker {
365 public void make(FONode node, List lms) {
366 Table table = (Table) node;
367 TableLayoutManager tlm = new TableLayoutManager(table);
368 lms.add(tlm);
369 }
370 }
371
372 public class RetrieveMarkerLayoutManagerMaker extends Maker {
373 public void make(FONode node, List lms) {
374 Iterator baseIter;
375 baseIter = node.getChildNodes();
376 if (baseIter == null) {
377 return;
378 }
379 while (baseIter.hasNext()) {
380 FONode child = (FONode) baseIter.next();
381 makeLayoutManagers(child, lms);
382 }
383 }
384 }
385
386 public class WrapperLayoutManagerMaker extends Maker {
387 public void make(FONode node, List lms) {
388 lms.add(new WrapperLayoutManager((Wrapper)node));
391 Iterator baseIter;
392 baseIter = node.getChildNodes();
393 if (baseIter == null) {
394 return;
395 }
396 while (baseIter.hasNext()) {
397 FONode child = (FONode) baseIter.next();
398 makeLayoutManagers(child, lms);
399 }
400 }
401 }
402
403 }
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