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1
51 package org.apache.fop.datatypes;
52
53 import org.apache.fop.pdf.PDFGoTo;
54 import org.apache.fop.layout.Area;
55 import org.apache.fop.apps.FOPException;
56
57 import java.util.HashMap  ;
59 import java.util.Iterator ;
60
61
76 public class IDReferences {
77 private HashMap idReferences, idValidation, idUnvalidated;
78
79 static final int ID_PADDING = 5000;
81
84 public IDReferences() {
85 idReferences = new HashMap ();
86 idValidation = new HashMap ();
87 idUnvalidated = new HashMap ();
88 }
89
90
91
98 public void initializeID(String id, Area area) throws FOPException {
99 createID(id);
100 configureID(id, area);
101 }
102
103
104
111 public void createID(String id) throws FOPException {
112 if (id != null &&!id.equals("")) {
113 if (doesUnvalidatedIDExist(id)) {
114 removeFromUnvalidatedIDList(id);
115 removeFromIdValidationList(id);
117 }
118 else if (doesIDExist(id)) {
119 throw new FOPException("The id \"" + id
120 + "\" already exists in this document");
121 } else {
122 createNewId(id);
123 removeFromIdValidationList(id);
124 }
125
126 }
127 }
128
129
134 public void createUnvalidatedID(String id) {
135 if (id != null &&!id.equals("")) {
136 if (!doesIDExist(id)) {
137 createNewId(id);
138 addToUnvalidatedIdList(id);
139 }
140 }
141 }
142
143
150 public void addToUnvalidatedIdList(String id) {
151 idUnvalidated.put(id,"");
152 }
153
154
161 public void removeFromUnvalidatedIDList(String id) {
162 idUnvalidated.remove(id);
163 }
164
165
172 public boolean doesUnvalidatedIDExist(String id) {
173 return idUnvalidated.containsKey(id);
174 }
175
176
182 public void configureID(String id, Area area) {
183 if (id != null && !id.equals("")) {
184 setPosition(id,
185 area.getPage().getBody().getXPosition()
186 + area.getTableCellXOffset() - ID_PADDING,
187 area.getPage().getBody().getYPosition()
188 - area.getAbsoluteHeight() + ID_PADDING);
189 setPageNumber(id, area.getPage().getFormattedNumber());
190 area.getPage().addToIDList(id);
191 }
192 }
193
194
200 public void addToIdValidationList(String id) {
201 idValidation.put(id, "");
202 }
203
204
205
206
211 public void removeFromIdValidationList(String id) {
212 idValidation.remove(id);
213 }
214
215
216
221 public void removeID(String id) {
222 idReferences.remove(id);
223 }
224
225
226
231 public boolean isEveryIdValid() {
232 return (idValidation.size() == 0);
233 }
234
235
236
237
242 public String getInvalidIds() {
243 StringBuffer list = new StringBuffer ();
244 Iterator iterator = idValidation.keySet().iterator();
245 while (iterator.hasNext()) {
246 list.append("\n\"").append(iterator.next().toString()).append("\" ");
247 }
248 return list.toString();
249 }
250
251
252
258 public boolean doesIDExist(String id) {
259 return idReferences.containsKey(id);
260 }
261
262
263
269 public boolean doesGoToReferenceExist(String id) {
270 IDNode node = (IDNode)idReferences.get(id);
271 return node.isThereInternalLinkGoTo();
272 }
273
274
275
276
277
283 public String getInternalLinkGoToReference(String id) {
284 IDNode node = (IDNode)idReferences.get(id);
285 return node.getInternalLinkGoToReference();
286 }
287
288
289
290
298 public String createInternalLinkGoTo(String id, int objectNumber) {
299 IDNode node = (IDNode)idReferences.get(id); node.createInternalLinkGoTo(objectNumber); return node.getInternalLinkGoToReference(); }
303
304
305
306
311 public void createNewId(String id) {
312 IDNode node = new IDNode(id);
313 idReferences.put(id, node);
314 }
315
316
317
323 public PDFGoTo getPDFGoTo(String id) {
324 IDNode node = (IDNode)idReferences.get(id);
325 return node.getInternalLinkGoTo();
326 }
327
328
329
336 public void setInternalGoToPageReference(String id,
337 String pageReference) {
338 IDNode node = (IDNode)idReferences.get(id);
339 if (node != null) {
340 node.setInternalLinkGoToPageReference(pageReference);
341 }
342 }
343
344
345
351 public void setPageNumber(String id, String pageNumber) {
352 IDNode node = (IDNode)idReferences.get(id);
353 node.setPageNumber(pageNumber);
354 }
355
356
357
363 public String getPageNumber(String id) {
364 if (doesIDExist(id)) {
365 IDNode node = (IDNode)idReferences.get(id);
366 return node.getPageNumber();
367 } else {
368 addToIdValidationList(id);
369 return null;
370 }
371 }
372
373
374
381 public void setPosition(String id, int x, int y) {
382 IDNode node = (IDNode)idReferences.get(id);
383 node.setPosition(x, y);
384 }
385
386 public Iterator getInvalidElements() {
387 return idValidation.keySet().iterator();
388 }
389
390
398 public String getDestinationRef(String id) {
399 if (doesIDExist(id)) {
400 IDNode node = (IDNode)idReferences.get(id);
401 return "[ " + node.getPageReference() + " /XYZ " +
402 node.getXPosition()/1000f + " " + node.getYPosition()/1000f + " null ]";
403 } else {
404 addToIdValidationList(id);
405 return null;
406 }
407 }
408
409 }
410 |
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