ILIAS  eassessment Revision 61809
 All Data Structures Namespaces Files Functions Variables Groups Pages
class.ilPCParagraph.php
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1 <?php
2 /* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */
3 
4 require_once("./Services/COPage/classes/class.ilPageContent.php");
5 require_once("./Services/COPage/classes/class.ilWysiwygUtil.php");
6 
17 class ilPCParagraph extends ilPageContent
18 {
19  var $dom;
20  var $par_node; // node of Paragraph element
21 
25  function init()
26  {
27  $this->setType("par");
28  }
29 
35  function setNode(&$a_node)
36  {
37  parent::setNode($a_node); // this is the PageContent node
38 
39  $childs = $a_node->child_nodes();
40  for ($i=0; $i<count($childs); $i++)
41  {
42  if ($childs[$i]->node_name() == "Paragraph")
43  {
44  $this->par_node = $childs[$i]; //... and this the Paragraph node
45  }
46  }
47  }
48 
49 
55  function createAtNode(&$node)
56  {
57  $this->node = $this->createPageContentNode();
58  $this->par_node =& $this->dom->create_element("Paragraph");
59  $this->par_node =& $this->node->append_child($this->par_node);
60  $this->par_node->set_attribute("Language", "");
61  $node->append_child ($this->node);
62  }
63 
70  function createAfter($node)
71  {
72  $this->node = $this->createPageContentNode(false);
73  if($succ_node = $node->next_sibling())
74  {
75  $this->node = $succ_node->insert_before($this->node, $succ_node);
76  }
77  else
78  {
79  $parent_node = $node->parent_node();
80  $this->node = $parent_node->append_child($this->node);
81  }
82  $this->par_node = $this->dom->create_element("Paragraph");
83  $this->par_node = $this->node->append_child($this->par_node);
84  $this->par_node->set_attribute("Language", "");
85  }
86 
94  function create(&$a_pg_obj, $a_hier_id, $a_pc_id = "")
95  {
96 //echo "-$a_pc_id-";
97  $this->node =& $this->dom->create_element("PageContent");
98  $a_pg_obj->insertContent($this, $a_hier_id, IL_INSERT_AFTER, $a_pc_id);
99  $this->par_node =& $this->dom->create_element("Paragraph");
100  $this->par_node =& $this->node->append_child($this->par_node);
101  $this->par_node->set_attribute("Language", "");
102  }
103 
110  function setText($a_text, $a_auto_split = false)
111  {
112 
113 //var_dump($a_text);
114  if (!is_array($a_text))
115  {
116  $text = array(array("level" => 0, "text" => $a_text));
117  }
118  else
119  {
120  $text = $a_text;
121  }
122 
123  if ($a_auto_split)
124  {
125  $text = $this->autoSplit($a_text);
126  }
127 
128  // DOMXML_LOAD_PARSING, DOMXML_LOAD_VALIDATING, DOMXML_LOAD_RECOVERING
129  $check = "";
130  foreach ($text as $t)
131  {
132  $check.= "<Paragraph>".$t["text"]."</Paragraph>";
133  }
134  /*$temp_dom = domxml_open_mem('<?xml version="1.0" encoding="UTF-8"?><Paragraph>'.$text[0]["text"].'</Paragraph>',
135  DOMXML_LOAD_PARSING, $error);*/
136  $temp_dom = domxml_open_mem('<?xml version="1.0" encoding="UTF-8"?><Paragraph>'.$check.'</Paragraph>',
137  DOMXML_LOAD_PARSING, $error);
138 
139  //$this->text = $a_text;
140  // remove all childs
141  if(empty($error))
142  {
143  $temp_dom = domxml_open_mem('<?xml version="1.0" encoding="UTF-8"?><Paragraph>'.$text[0]["text"].'</Paragraph>',
144  DOMXML_LOAD_PARSING, $error);
145 
146  // delete children of paragraph node
147  $children = $this->par_node->child_nodes();
148  for($i=0; $i<count($children); $i++)
149  {
150  $this->par_node->remove_child($children[$i]);
151  }
152 
153  // copy new content children in paragraph node
154  $xpc = xpath_new_context($temp_dom);
155  $path = "//Paragraph";
156  $res =& xpath_eval($xpc, $path);
157  if (count($res->nodeset) == 1)
158  {
159  $new_par_node =& $res->nodeset[0];
160  $new_childs = $new_par_node->child_nodes();
161 
162  for($i=0; $i<count($new_childs); $i++)
163  {
164  $cloned_child =& $new_childs[$i]->clone_node(true);
165  $this->par_node->append_child($cloned_child);
166  }
167  $orig_characteristic = $this->getCharacteristic();
168 
169  // if headlines are entered and current characteristic is a headline
170  // use no characteristic as standard
171  if ((count($text) > 1) && (substr($orig_characteristic, 0, 8) == "Headline"))
172  {
173  $orig_characteristic = "";
174  }
175  if ($text[0]["level"] > 0)
176  {
177  $this->par_node->set_attribute("Characteristic", 'Headline'.$text[0]["level"]);
178  }
179  }
180 
181  $ok = true;
182 
183  $c_node = $this->node;
184  // add other chunks afterwards
185  for ($i=1; $i<count($text); $i++)
186  {
187  if ($ok)
188  {
189  $next_par = new ilPCParagraph($this->dom);
190  $next_par->createAfter($c_node);
191  $next_par->setLanguage($this->getLanguage());
192  if ($text[$i]["level"] > 0)
193  {
194  $next_par->setCharacteristic("Headline".$text[$i]["level"]);
195  }
196  else
197  {
198  $next_par->setCharacteristic($orig_characteristic);
199  }
200  $ok = $next_par->setText($text[$i]["text"], false);
201  $c_node = $next_par->node;
202  }
203  }
204 
205  return true;
206  }
207  else
208  {
209  // We want the correct number of \n here to have the real lines numbers
210  $text = str_replace("<br>", "\n", $check); // replace <br> with \n to get correct line
211  $text = str_replace("<br/>", "\n", $text);
212  $text = str_replace("<br />", "\n", $text);
213  $text = str_replace("</SimpleListItem>", "</SimpleListItem>\n", $text);
214  $text = str_replace("<SimpleBulletList>", "\n<SimpleBulletList>", $text);
215  $text = str_replace("<SimpleNumberedList>", "\n<SimpleNumberedList>", $text);
216  $text = str_replace("<Paragraph>\n", "<Paragraph>", $text);
217  $text = str_replace("</Paragraph>", "</Paragraph>\n", $text);
218  include_once("./Services/Dom/classes/class.ilDomDocument.php");
219  $doc = new ilDOMDocument();
220  $text = '<?xml version="1.0" encoding="UTF-8"?><Paragraph>'.$text.'</Paragraph>';
221 //echo htmlentities($text);
222  $this->success = $doc->loadXML($text);
223  $error = $doc->errors;
224  $estr = "";
225  foreach ($error as $e)
226  {
227  $e = str_replace(" in Entity", "", $e);
228  $estr.= $e."<br />";
229  }
230  return $estr;
231  }
232  }
233 
239  function getText($a_short_mode = false)
240  {
241  if (is_object($this->par_node))
242  {
243  $content = "";
244  $childs = $this->par_node->child_nodes();
245  for($i=0; $i<count($childs); $i++)
246  {
247  $content .= $this->dom->dump_node($childs[$i]);
248  }
249  return $content;
250  }
251  else
252  {
253  return "";
254  }
255  }
256 
262  function setCharacteristic($a_char)
263  {
264  if (!empty($a_char))
265  {
266  $this->par_node->set_attribute("Characteristic", $a_char);
267  }
268  else
269  {
270  if ($this->par_node->has_attribute("Characteristic"))
271  {
272  $this->par_node->remove_attribute("Characteristic");
273  }
274  }
275  }
276 
282  function getCharacteristic()
283  {
284  if (is_object($this->par_node))
285  {
286  return $this->par_node->get_attribute("Characteristic");
287  }
288  }
289 
290 
294  function setSubCharacteristic($a_char)
295  {
296  if (!empty($a_char))
297  {
298  $this->par_node->set_attribute("SubCharacteristic", $a_char);
299  }
300  else
301  {
302  if ($this->par_node->has_attribute("SubCharacteristic"))
303  {
304  $this->par_node->remove_attribute("SubCharacteristic");
305  }
306  }
307  }
308 
314  function getAutoIndent()
315  {
316  return $this->par_node->get_attribute("AutoIndent");
317  }
318 
319  function setAutoIndent($a_char)
320  {
321  if (!empty($a_char))
322  {
323  $this->par_node->set_attribute("AutoIndent", $a_char);
324  }
325  else
326  {
327  if ($this->par_node->has_attribute("AutoIndent"))
328  {
329  $this->par_node->remove_attribute("AutoIndent");
330  }
331  }
332  }
333 
337  function getSubCharacteristic()
338  {
339  return $this->par_node->get_attribute("SubCharacteristic");
340  }
341 
346  function setDownloadTitle($a_char)
347  {
348  if (!empty($a_char))
349  {
350  $this->par_node->set_attribute("DownloadTitle", $a_char);
351  }
352  else
353  {
354  if ($this->par_node->has_attribute("DownloadTitle"))
355  {
356  $this->par_node->remove_attribute("DownloadTitle");
357  }
358  }
359  }
360 
364  function getDownloadTitle()
365  {
366  return $this->par_node->get_attribute("DownloadTitle");
367  }
368 
373  function setShowLineNumbers($a_char)
374  {
375  $a_char = empty($a_char)?"n":$a_char;
376 
377  $this->par_node->set_attribute("ShowLineNumbers", $a_char);
378  }
379 
384  function getShowLineNumbers()
385  {
386  return $this->par_node->get_attribute("ShowLineNumbers");
387  }
388 
392  function setLanguage($a_lang)
393  {
394  $this->par_node->set_attribute("Language", $a_lang);
395  }
396 
400  function getLanguage()
401  {
402  return $this->par_node->get_attribute("Language");
403  }
404 
405  function input2xml($a_text, $a_wysiwyg = 0, $a_handle_lists = true)
406  {
407  return $this->_input2xml($a_text, $this->getLanguage(), $a_wysiwyg, $a_handle_lists);
408  }
409 
413  static function _input2xml($a_text, $a_lang, $a_wysiwyg = 0, $a_handle_lists = true)
414  {
415  $a_text = ilUtil::stripSlashes($a_text, false);
416 
417  // note: the order of the processing steps is crucial
418  // and should be the same as in xml2output() in REVERSE order!
419  $a_text = trim($a_text);
420 
421 //echo "<br>between:".htmlentities($a_text);
422 
423  // mask html
424  $a_text = str_replace("&","&amp;",$a_text);
425  $a_text = str_replace("<","&lt;",$a_text);
426  $a_text = str_replace(">","&gt;",$a_text);
427 
428  // Reconvert PageTurn and BibItemIdentifier
429  $a_text = preg_replace('/&lt;([\s\/]*?PageTurn.*?)&gt;/i',"<$1>",$a_text);
430  $a_text = preg_replace('/&lt;([\s\/]*?BibItemIdentifier.*?)&gt;/i',"<$1>",$a_text);
431 
432 //echo "<br>second:".htmlentities($a_text);
433 
434  // mask curly brackets
435 /*
436 echo htmlentities($a_text);
437  $a_text = str_replace("{", "&#123;", $a_text);
438  $a_text = str_replace("}", "&#125;", $a_text);
439 echo htmlentities($a_text);*/
440  // linefeed to br
441  $a_text = str_replace(chr(13).chr(10),"<br />",$a_text);
442  $a_text = str_replace(chr(13),"<br />", $a_text);
443  $a_text = str_replace(chr(10),"<br />", $a_text);
444 
445  if ($a_handle_lists)
446  {
447  $a_text = ilPCParagraph::input2xmlReplaceLists($a_text);
448  }
449 
450  // bb code to xml
451  $a_text = eregi_replace("\[com\]","<Comment Language=\"".$a_lang."\">",$a_text);
452  $a_text = eregi_replace("\[\/com\]","</Comment>",$a_text);
453  $a_text = eregi_replace("\[emp\]","<Emph>",$a_text);
454  $a_text = eregi_replace("\[\/emp\]","</Emph>",$a_text);
455  $a_text = eregi_replace("\[str\]","<Strong>",$a_text);
456  $a_text = eregi_replace("\[\/str\]","</Strong>",$a_text);
457  $a_text = eregi_replace("\[fn\]","<Footnote>",$a_text);
458  $a_text = eregi_replace("\[\/fn\]","</Footnote>",$a_text);
459  $a_text = eregi_replace("\[quot\]","<Quotation Language=\"".$a_lang."\">",$a_text);
460  $a_text = eregi_replace("\[\/quot\]","</Quotation>",$a_text);
461  $a_text = eregi_replace("\[code\]","<Code>",$a_text);
462  $a_text = eregi_replace("\[\/code\]","</Code>",$a_text);
463  $a_text = eregi_replace("\[acc\]","<Accent>",$a_text);
464  $a_text = eregi_replace("\[\/acc\]","</Accent>",$a_text);
465  $a_text = eregi_replace("\[imp\]","<Important>",$a_text);
466  $a_text = eregi_replace("\[\/imp\]","</Important>",$a_text);
467  $a_text = eregi_replace("\[kw\]","<Keyw>",$a_text);
468  $a_text = eregi_replace("\[\/kw\]","</Keyw>",$a_text);
469 
470  // internal links
471  //$any = "[^\]]*"; // this doesn't work :-(
472  $ws= "[ \t\r\f\v\n]*";
473 
474  while (eregi("\[(iln$ws((inst$ws=$ws([\"0-9])*)?$ws".
475  "((page|chap|term|media|htlm|lm|dbk|glo|exc|tst|svy|webr|cat|crs|grp|file|fold|mep|sahs|mcst|obj|dfile)$ws=$ws([\"0-9])*)$ws".
476  "(target$ws=$ws(\"(New|FAQ|Media)\"))?$ws(anchor$ws=$ws(\"([^\"])*\"))?$ws))\]", $a_text, $found))
477  {
478  $attribs = ilUtil::attribsToArray($found[2]);
479  $inst_str = $attribs["inst"];
480  // pages
481  if (isset($attribs["page"]))
482  {
483  $tframestr = "";
484  if (!empty($found[10]))
485  {
486  $tframestr = " TargetFrame=\"".$found[10]."\" ";
487  }
488  $ancstr = "";
489  if ($attribs["anchor"] != "")
490  {
491  $ancstr = ' Anchor="'.$attribs["anchor"].'" ';
492  }
493  $a_text = eregi_replace("\[".$found[1]."\]",
494  "<IntLink Target=\"il_".$inst_str."_pg_".$attribs[page]."\" Type=\"PageObject\"".$tframestr.$ancstr.">", $a_text);
495  }
496  // chapters
497  else if (isset($attribs["chap"]))
498  {
499  if (!empty($found[10]))
500  {
501  $tframestr = " TargetFrame=\"".$found[10]."\" ";
502  }
503  else
504  {
505  $tframestr = "";
506  }
507  $a_text = eregi_replace("\[".$found[1]."\]",
508  "<IntLink Target=\"il_".$inst_str."_st_".$attribs[chap]."\" Type=\"StructureObject\"".$tframestr.">", $a_text);
509  }
510  // glossary terms
511  else if (isset($attribs["term"]))
512  {
513  switch ($found[10])
514  {
515  case "New":
516  $tframestr = " TargetFrame=\"New\" ";
517  break;
518 
519  default:
520  $tframestr = " TargetFrame=\"Glossary\" ";
521  break;
522  }
523  $a_text = eregi_replace("\[".$found[1]."\]",
524  "<IntLink Target=\"il_".$inst_str."_git_".$attribs[term]."\" Type=\"GlossaryItem\" $tframestr>", $a_text);
525  }
526  // media object
527  else if (isset($attribs["media"]))
528  {
529  if (!empty($found[10]))
530  {
531  $tframestr = " TargetFrame=\"".$found[10]."\" ";
532  $a_text = eregi_replace("\[".$found[1]."\]",
533  "<IntLink Target=\"il_".$inst_str."_mob_".$attribs[media]."\" Type=\"MediaObject\"".$tframestr.">", $a_text);
534  }
535  else
536  {
537  $a_text = eregi_replace("\[".$found[1]."\]",
538  "<IntLink Target=\"il_".$inst_str."_mob_".$attribs[media]."\" Type=\"MediaObject\"/>", $a_text);
539  }
540  }
541  // direct download file (no repository object)
542  else if (isset($attribs["dfile"]))
543  {
544  $a_text = eregi_replace("\[".$found[1]."\]",
545  "<IntLink Target=\"il_".$inst_str."_dfile_".$attribs[dfile]."\" Type=\"File\">", $a_text);
546  }
547  // repository items (id is ref_id (will be used internally but will
548  // be replaced by object id for export purposes)
549  else if (isset($attribs["lm"]) || isset($attribs["dbk"]) || isset($attribs["glo"])
550  || isset($attribs["exc"]) || isset($attribs["tst"])
551  || isset($attribs["svy"]) || isset($attribs["obj"]) || isset($attribs['webr'])
552  || isset($attribs["htlm"]) || isset($attribs["grp"])
553  || isset($attribs["fold"]) || isset($attribs["sahs"]) || isset($attribs["mcst"])
554  || isset($attribs["mep"]) || isset($attribs["wiki"])
555  || isset($attribs["cat"]) || isset($attribs["crs"]) || isset($attribs["file"]))
556  {
557  $obj_id = (isset($attribs["lm"])) ? $attribs["lm"] : $obj_id;
558  $obj_id = (isset($attribs["dbk"])) ? $attribs["dbk"] : $obj_id;
559  $obj_id = (isset($attribs["glo"])) ? $attribs["glo"] : $obj_id;
560  $obj_id = (isset($attribs["exc"])) ? $attribs["exc"] : $obj_id;
561  $obj_id = (isset($attribs["htlm"])) ? $attribs["htlm"] : $obj_id;
562  $obj_id = (isset($attribs["tst"])) ? $attribs["tst"] : $obj_id;
563  $obj_id = (isset($attribs["svy"])) ? $attribs["svy"] : $obj_id;
564  $obj_id = (isset($attribs["obj"])) ? $attribs["obj"] : $obj_id;
565  $obj_id = (isset($attribs["webr"])) ? $attribs["webr"] : $obj_id;
566  $obj_id = (isset($attribs["fold"])) ? $attribs["fold"] : $obj_id;
567  $obj_id = (isset($attribs["cat"])) ? $attribs["cat"] : $obj_id;
568  $obj_id = (isset($attribs["crs"])) ? $attribs["crs"] : $obj_id;
569  $obj_id = (isset($attribs["grp"])) ? $attribs["grp"] : $obj_id;
570  $obj_id = (isset($attribs["file"])) ? $attribs["file"] : $obj_id;
571  $obj_id = (isset($attribs["sahs"])) ? $attribs["sahs"] : $obj_id;
572  $obj_id = (isset($attribs["mcst"])) ? $attribs["mcst"] : $obj_id;
573  $obj_id = (isset($attribs["mep"])) ? $attribs["mep"] : $obj_id;
574  $obj_id = (isset($attribs["wiki"])) ? $attribs["wiki"] : $obj_id;
575  //$obj_id = (isset($attribs["obj"])) ? $attribs["obj"] : $obj_id;
576 
577  if ($inst_str == "")
578  {
579  $a_text = eregi_replace("\[".$found[1]."\]",
580  "<IntLink Target=\"il_".$inst_str."_obj_".$obj_id."\" Type=\"RepositoryItem\">", $a_text);
581  }
582  else
583  {
584  $a_text = eregi_replace("\[".$found[1]."\]",
585  "<IntLink Target=\"il_".$inst_str."_".$found[6]."_".$obj_id."\" Type=\"RepositoryItem\">", $a_text);
586  }
587  }
588  else
589  {
590  $a_text = eregi_replace("\[".$found[1]."\]", "[error: iln".$found[1]."]",$a_text);
591  }
592  }
593  while (eregi("\[(iln$ws((inst$ws=$ws([\"0-9])*)?".$ws."media$ws=$ws([\"0-9])*)$ws)/\]", $a_text, $found))
594  {
595  $attribs = ilUtil::attribsToArray($found[2]);
596  $inst_str = $attribs["inst"];
597  $a_text = eregi_replace("\[".$found[1]."/\]",
598  "<IntLink Target=\"il_".$inst_str."_mob_".$attribs[media]."\" Type=\"MediaObject\"/>", $a_text);
599  }
600  $a_text = eregi_replace("\[\/iln\]","</IntLink>",$a_text);
601 
602  // external link
603  $ws= "[ \t\r\f\v\n]*";
604  while (eregi("\[(xln$ws(url$ws=$ws\"([^\"])*\")$ws(target$ws=$ws(\"(Glossary|FAQ|Media)\"))?$ws)\]", $a_text, $found))
605  {
606  $attribs = ilUtil::attribsToArray($found[2]);
607  if (isset($attribs["url"]))
608  {
609  $a2 = ilUtil::attribsToArray($found[4]);
610  $tstr = "";
611  if (in_array($a2["target"], array("FAQ", "Glossary", "Media")))
612  {
613  $tstr = ' TargetFrame="'.$a2["target"].'"';
614  }
615  $a_text = str_replace("[".$found[1]."]", "<ExtLink Href=\"".$attribs["url"]."\"$tstr>", $a_text);
616  }
617  else
618  {
619  $a_text = str_replace("[".$found[1]."]", "[error: xln".$found[1]."]",$a_text);
620  }
621  }
622  $a_text = eregi_replace("\[\/xln\]","</ExtLink>",$a_text);
623 
624  // anchor
625  $ws= "[ \t\r\f\v\n]*";
626  while (eregi("\[(anc$ws(name$ws=$ws\"([^\"])*\")$ws)\]", $a_text, $found))
627  {
628  $attribs = ilUtil::attribsToArray($found[2]);
629  $a_text = str_replace("[".$found[1]."]", "<Anchor Name=\"".$attribs["name"]."\">", $a_text);
630  }
631  $a_text = eregi_replace("\[\/anc\]","</Anchor>",$a_text);
632 //echo htmlentities($a_text);
633  return $a_text;
634  }
635 
643  function input2xmlReplaceLists($a_text)
644  {
645  $rows = explode("<br />", $a_text."<br />");
646 //var_dump($a_text);
647 
648  $old_level = 0;
649 
650  $text = "";
651 
652  foreach ($rows as $row)
653  {
654  $level = 0;
655  if (str_replace("#", "*", substr($row, 0, 3)) == "***")
656  {
657  $level = 3;
658  }
659  else if (str_replace("#", "*", substr($row, 0, 2)) == "**")
660  {
661  $level = 2;
662  }
663  else if (str_replace("#", "*", substr($row, 0, 1)) == "*")
664  {
665  $level = 1;
666  }
667 
668  // end previous line
669  if ($level < $old_level)
670  {
671  for ($i = $old_level; $i > $level; $i--)
672  {
673  $text.= "</SimpleListItem></".$clist[$i].">";
674  }
675  if ($level > 0)
676  {
677  $text.= "</SimpleListItem>";
678  }
679  }
680  else if ($old_level > 0 && $level > 0 && ($level == $old_level))
681  {
682  $text.= "</SimpleListItem>";
683  }
684  else if (($level == $old_level) && $text != "")
685  {
686  $text.= "<br />";
687  }
688 
689  // start next line
690  if ($level > $old_level)
691  {
692  for($i = $old_level + 1; $i <= $level; $i++)
693  {
694  if (substr($row, $i - 1, 1) == "*")
695  {
696  $clist[$i] = "SimpleBulletList";
697  }
698  else
699  {
700  $clist[$i] = "SimpleNumberedList";
701  }
702  $text.= "<".$clist[$i]."><SimpleListItem>";
703  }
704  }
705  else if ($old_level > 0 && $level > 0)
706  {
707  $text.= "<SimpleListItem>";
708  }
709  $text.= substr($row, $level);
710 
711  $old_level = $level;
712  }
713 
714  // remove "<br />" at the end
715  if (substr($text, strlen($text) - 6) == "<br />")
716  {
717  $text = substr($text, 0, strlen($text) - 6);
718  }
719 
720  return $text;
721  }
722 
730  static function xml2outputReplaceLists($a_text)
731  {
732  $segments = ilPCParagraph::segmentString($a_text, array("<SimpleBulletList>", "</SimpleBulletList>",
733  "</SimpleListItem>", "<SimpleListItem>", "<SimpleListItem/>", "<SimpleNumberedList>", "</SimpleNumberedList>"));
734 
735  $current_list = array();
736  $text = "";
737  for ($i=0; $i<= count($segments); $i++)
738  {
739  if ($segments[$i] == "<SimpleBulletList>")
740  {
741  if (count($current_list) == 0)
742  {
743  $list_start = true;
744  }
745  array_push($current_list, "*");
746  $li = false;
747  }
748  else if ($segments[$i] == "<SimpleNumberedList>")
749  {
750  if (count($current_list) == 0)
751  {
752  $list_start = true;
753  }
754  array_push($current_list, "#");
755  $li = false;
756  }
757  else if ($segments[$i] == "</SimpleBulletList>")
758  {
759  array_pop($current_list);
760  $li = false;
761  }
762  else if ($segments[$i] == "</SimpleNumberedList>")
763  {
764  array_pop($current_list);
765  $li = false;
766  }
767  else if ($segments[$i] == "<SimpleListItem>")
768  {
769  $li = true;
770  }
771  else if ($segments[$i] == "</SimpleListItem>")
772  {
773  $li = false;
774  }
775  else if ($segments[$i] == "<SimpleListItem/>")
776  {
777  if ($list_start)
778  {
779  $text.= "<br />";
780  $list_start = false;
781  }
782  foreach($current_list as $list)
783  {
784  $text.= $list;
785  }
786  $text.= "<br />";
787  $li = false;
788  }
789  else
790  {
791  if ($li)
792  {
793  if ($list_start)
794  {
795  $text.= "<br />";
796  $list_start = false;
797  }
798  foreach($current_list as $list)
799  {
800  $text.= $list;
801  }
802  }
803  $text.= $segments[$i];
804  if ($li)
805  {
806  $text.= "<br />";
807  }
808  $li = false;
809  }
810  }
811 
812  // remove trailing <br />, if text ends with list
813  if ($segments[count($segments) - 1] == "</SimpleBulletList>" ||
814  $segments[count($segments) - 1] == "</SimpleNumberedList>" &&
815  substr($text, strlen($text) - 6) == "<br />")
816  {
817  $text = substr($text, 0, strlen($text) - 6);
818  }
819 
820  return $text;
821  }
822 
826  static function segmentString($a_haystack, $a_needles)
827  {
828  $segments = array();
829 
830  $nothing_found = false;
831  while (!$nothing_found)
832  {
833  $nothing_found = true;
834  $found = -1;
835  foreach($a_needles as $needle)
836  {
837  $pos = stripos($a_haystack, $needle);
838  if (is_int($pos) && ($pos < $found || $found == -1))
839  {
840  $found = $pos;
841  $found_needle = $needle;
842  $nothing_found = false;
843  }
844  }
845  if ($found > 0)
846  {
847  $segments[] = substr($a_haystack, 0, $found);
848  $a_haystack = substr($a_haystack, $found);
849  }
850  if ($found > -1)
851  {
852  $segments[] = substr($a_haystack, 0, strlen($found_needle));
853  $a_haystack = substr($a_haystack, strlen($found_needle));
854  }
855  }
856  if ($a_haystack != "")
857  {
858  $segments[] = $a_haystack;
859  }
860 
861  return $segments;
862  }
863 
871  static function xml2output($a_text)
872  {
873  // note: the order of the processing steps is crucial
874  // and should be the same as in input2xml() in REVERSE order!
875 
876  // xml to bb code
877  $any = "[^>]*";
878  $a_text = eregi_replace("<Comment[^>]*>","[com]",$a_text);
879  $a_text = eregi_replace("</Comment>","[/com]",$a_text);
880  $a_text = eregi_replace("<Comment/>","[com][/com]",$a_text);
881  $a_text = eregi_replace("<Emph>","[emp]",$a_text);
882  $a_text = eregi_replace("</Emph>","[/emp]",$a_text);
883  $a_text = eregi_replace("<Emph/>","[emp][/emp]",$a_text);
884  $a_text = eregi_replace("<Strong>","[str]",$a_text);
885  $a_text = eregi_replace("</Strong>","[/str]",$a_text);
886  $a_text = eregi_replace("<Strong/>","[str][/str]",$a_text);
887  $a_text = eregi_replace("<Footnote[^>]*>","[fn]",$a_text);
888  $a_text = eregi_replace("</Footnote>","[/fn]",$a_text);
889  $a_text = eregi_replace("<Footnote/>","[fn][/fn]",$a_text);
890  $a_text = eregi_replace("<Quotation[^>]*>","[quot]",$a_text);
891  $a_text = eregi_replace("</Quotation>","[/quot]",$a_text);
892  $a_text = eregi_replace("<Quotation/>","[quot][/quot]",$a_text);
893  $a_text = eregi_replace("<Code[^>]*>","[code]",$a_text);
894  $a_text = eregi_replace("</Code>","[/code]",$a_text);
895  $a_text = eregi_replace("<Code/>","[code][/code]",$a_text);
896  $a_text = eregi_replace("<Accent>","[acc]",$a_text);
897  $a_text = eregi_replace("</Accent>","[/acc]",$a_text);
898  $a_text = eregi_replace("<Important>","[imp]",$a_text);
899  $a_text = eregi_replace("</Important>","[/imp]",$a_text);
900  $a_text = eregi_replace("<Keyw>","[kw]",$a_text);
901  $a_text = eregi_replace("</Keyw>","[/kw]",$a_text);
902 
903  // replace lists
904  $a_text = ilPCParagraph::xml2outputReplaceLists($a_text);
905 
906  // internal links
907  while (eregi("<IntLink($any)>", $a_text, $found))
908  {
909  $found[0];
910  $attribs = ilUtil::attribsToArray($found[1]);
911  $target = explode("_", $attribs["Target"]);
912  $target_id = $target[count($target) - 1];
913  $inst_str = (!is_int(strpos($attribs["Target"], "__")))
914  ? $inst_str = "inst=\"".$target[1]."\" "
915  : $inst_str = "";
916  switch($attribs["Type"])
917  {
918  case "PageObject":
919  $tframestr = (!empty($attribs["TargetFrame"]))
920  ? " target=\"".$attribs["TargetFrame"]."\""
921  : "";
922  $ancstr = (!empty($attribs["Anchor"]))
923  ? ' anchor="'.$attribs["Anchor"].'"'
924  : "";
925  $a_text = eregi_replace("<IntLink".$found[1].">","[iln ".$inst_str."page=\"".$target_id."\"$tframestr$ancstr]",$a_text);
926  break;
927 
928  case "StructureObject":
929  $tframestr = (!empty($attribs["TargetFrame"]))
930  ? " target=\"".$attribs["TargetFrame"]."\""
931  : "";
932  $a_text = eregi_replace("<IntLink".$found[1].">","[iln ".$inst_str."chap=\"".$target_id."\"$tframestr]",$a_text);
933  break;
934 
935  case "GlossaryItem":
936  $tframestr = (empty($attribs["TargetFrame"]) || $attribs["TargetFrame"] == "Glossary")
937  ? ""
938  : " target=\"".$attribs["TargetFrame"]."\"";
939  $a_text = eregi_replace("<IntLink".$found[1].">","[iln ".$inst_str."term=\"".$target_id."\"".$tframestr."]",$a_text);
940  break;
941 
942  case "MediaObject":
943  if (empty($attribs["TargetFrame"]))
944  {
945  $a_text = eregi_replace("<IntLink".$found[1].">","[iln ".$inst_str."media=\"".$target_id."\"/]",$a_text);
946  }
947  else
948  {
949  $a_text = eregi_replace("<IntLink".$found[1].">","[iln media=\"".$target_id."\"".
950  " target=\"".$attribs["TargetFrame"]."\"]",$a_text);
951  }
952  break;
953 
954  // Repository Item (using ref id)
955  case "RepositoryItem":
956  if ($inst_str == "")
957  {
958  $target_type = ilObject::_lookupType($target_id, true);
959  }
960  else
961  {
962  $rtype = $target[count($target) - 2];
963  $target_type = $rtype;
964  }
965  $a_text = eregi_replace("<IntLink".$found[1].">","[iln ".$inst_str."$target_type=\"".$target_id."\"".$tframestr."]",$a_text);
966  break;
967 
968  // Download File (not in repository, Object ID)
969  case "File":
970  $a_text = eregi_replace("<IntLink".$found[1].">","[iln ".$inst_str."dfile=\"".$target_id."\"".$tframestr."]",$a_text);
971  break;
972 
973  default:
974  $a_text = eregi_replace("<IntLink".$found[1].">","[iln]",$a_text);
975  break;
976  }
977  }
978  $a_text = eregi_replace("</IntLink>","[/iln]",$a_text);
979 
980  // external links
981  while (eregi("<ExtLink($any)>", $a_text, $found))
982  {
983  $found[0];
984  $attribs = ilUtil::attribsToArray($found[1]);
985  //$found[1] = str_replace("?", "\?", $found[1]);
986  $tstr = "";
987  if (in_array($attribs["TargetFrame"], array("FAQ", "Glossary", "Media")))
988  {
989  $tstr = ' target="'.$attribs["TargetFrame"].'"';
990  }
991  $a_text = str_replace("<ExtLink".$found[1].">","[xln url=\"".$attribs["Href"]."\"$tstr]",$a_text);
992  }
993  $a_text = eregi_replace("</ExtLink>","[/xln]",$a_text);
994 
995  // anchor
996  while (eregi("<Anchor($any)>", $a_text, $found))
997  {
998  $found[0];
999  $attribs = ilUtil::attribsToArray($found[1]);
1000  $a_text = str_replace("<Anchor".$found[1].">","[anc name=\"".$attribs["Name"]."\"]",$a_text);
1001  }
1002  $a_text = eregi_replace("</Anchor>","[/anc]",$a_text);
1003 
1004 
1005  // br to linefeed
1006  $a_text = str_replace("<br />", "\n", $a_text);
1007  $a_text = str_replace("<br/>", "\n", $a_text);
1008 
1009  // prevent curly brackets from being swallowed up by template engine
1010  $a_text = str_replace("{", "&#123;", $a_text);
1011  $a_text = str_replace("}", "&#125;", $a_text);
1012 
1013  // unmask html
1014  $a_text = str_replace("&lt;", "<", $a_text);
1015  $a_text = str_replace("&gt;", ">",$a_text);
1016 
1017  // this is needed to allow html like <tag attribute="value">... in paragraphs
1018  $a_text = str_replace("&quot;", "\"", $a_text);
1019 
1020  // make ampersands in (enabled) html attributes work
1021  // e.g. <a href="foo.php?n=4&t=5">hhh</a>
1022  $a_text = str_replace("&amp;", "&", $a_text);
1023 
1024  // make &gt; and $lt; work to allow (disabled) html descriptions
1025  $a_text = str_replace("&lt;", "&amp;lt;", $a_text);
1026  $a_text = str_replace("&gt;", "&amp;gt;", $a_text);
1027 
1028  return $a_text;
1029  //return str_replace("<br />", chr(13).chr(10), $a_text);
1030  }
1031 
1038  function autoSplit($a_text)
1039  {
1040  $a_text = str_replace ("=<SimpleBulletList>", "=<br /><SimpleBulletList>", $a_text);
1041  $a_text = str_replace ("=<SimpleNumberedList>", "=<br /><SimpleNumberedList>", $a_text);
1042  $a_text = str_replace ("</SimpleBulletList>=", "</SimpleBulletList><br />=", $a_text);
1043  $a_text = str_replace ("</SimpleNumberedList>=", "</SimpleNumberedList><br />=", $a_text);
1044  $a_text = "<br />".$a_text."<br />"; // add preceding and trailing br
1045 
1046  $chunks = array();
1047  $c_text = $a_text;
1048 //echo "0";
1049  while ($c_text != "")
1050  {
1051 //var_dump($c_text); flush();
1052 //echo "1";
1053  $s1 = strpos($c_text, "<br />=");
1054  if (is_int($s1))
1055  {
1056 //echo "2";
1057  $s2 = strpos($c_text, "<br />==");
1058  if (is_int($s2) && $s2 <= $s1)
1059  {
1060 //echo "3";
1061  $s3 = strpos($c_text, "<br />===");
1062  if (is_int($s3) && $s3 <= $s2) // possible level three header
1063  {
1064 //echo "4";
1065  $n = strpos($c_text, "<br />", $s3 + 1);
1066  if ($n > ($s3+9) && substr($c_text, $n-3, 9) == "===<br />")
1067  {
1068 //echo "5";
1069  // found level three header
1070  if ($s3 > 0 || $head != "")
1071  {
1072 //echo "6";
1073  $chunks[] = array("level" => 0,
1074  "text" => $this->removeTrailingBr($head.substr($c_text, 0, $s3)));
1075  $head = "";
1076  }
1077  $chunks[] = array("level" => 3,
1078  "text" => trim(substr($c_text, $s3+9, $n-$s3-12)));
1079  $c_text = $this->handleNextBr(substr($c_text, $n+6));
1080  }
1081  else
1082  {
1083 //echo "7";
1084  $head.= substr($c_text, 0, $n);
1085  $c_text = substr($c_text, $n);
1086  }
1087  }
1088  else // possible level two header
1089  {
1090 //echo "8";
1091  $n = strpos($c_text, "<br />", $s2 + 1);
1092  if ($n > ($s2+8) && substr($c_text, $n-2, 8) == "==<br />")
1093  {
1094 //echo "9";
1095  // found level two header
1096  if ($s2 > 0 || $head != "")
1097  {
1098 //echo "A";
1099  $chunks[] = array("level" => 0,
1100  "text" => $this->removeTrailingBr($head.substr($c_text, 0, $s2)));
1101  $head = "";
1102  }
1103  $chunks[] = array("level" => 2, "text" => trim(substr($c_text, $s2+8, $n-$s2-10)));
1104  $c_text = $this->handleNextBr(substr($c_text, $n+6));
1105  }
1106  else
1107  {
1108 //echo "B";
1109  $head.= substr($c_text, 0, $n);
1110  $c_text = substr($c_text, $n);
1111  }
1112  }
1113  }
1114  else // possible level one header
1115  {
1116 //echo "C";
1117  $n = strpos($c_text, "<br />", $s1 + 1);
1118  if ($n > ($s1+7) && substr($c_text, $n-1, 7) == "=<br />")
1119  {
1120 //echo "D";
1121  // found level one header
1122  if ($s1 > 0 || $head != "")
1123  {
1124 //echo "E";
1125  $chunks[] = array("level" => 0,
1126  "text" => $this->removeTrailingBr($head.substr($c_text, 0, $s1)));
1127  $head = "";
1128  }
1129  $chunks[] = array("level" => 1, "text" => trim(substr($c_text, $s1+7, $n-$s1-8)));
1130  $c_text = $this->handleNextBr(substr($c_text, $n+6));
1131 //echo "<br>ctext:".htmlentities($c_text)."<br>";
1132  }
1133  else
1134  {
1135  $head.= substr($c_text, 0, $n);
1136  $c_text = substr($c_text, $n);
1137 //echo "<br>head:".$head."c_text:".$c_text."<br>";
1138  }
1139  }
1140  }
1141  else
1142  {
1143 //echo "G";
1144  $chunks[] = array("level" => 0, "text" => $head.$c_text);
1145  $head = "";
1146  $c_text = "";
1147  }
1148  }
1149  if (count($chunks) == 0)
1150  {
1151  $chunks[] = array("level" => 0, "text" => "");
1152  }
1153 
1154 
1155  // remove preceding br
1156  if (substr($chunks[0]["text"], 0, 6) == "<br />")
1157  {
1158  $chunks[0]["text"] = substr($chunks[0]["text"], 6);
1159  }
1160 
1161  // remove trailing br
1162  if (substr($chunks[count($chunks) - 1]["text"],
1163  strlen($chunks[count($chunks) - 1]["text"]) - 6, 6) == "<br />")
1164  {
1165  $chunks[count($chunks) - 1]["text"] =
1166  substr($chunks[count($chunks) - 1]["text"], 0, strlen($chunks[count($chunks) - 1]["text"]) - 6);
1167  if ($chunks[count($chunks) - 1]["text"] == "")
1168  {
1169  unset($chunks[count($chunks) - 1]);
1170  }
1171  }
1172  return $chunks;
1173  }
1174 
1178  function handleNextBr($a_str)
1179  {
1180  // do not remove, if next line starts with a "=", otherwise two
1181  // headlines in a row will not be recognized
1182  if (substr($a_str, 0, 6) == "<br />" && substr($a_str, 6, 1) != "=")
1183  {
1184  $a_str = substr($a_str, 6);
1185  }
1186  else
1187  {
1188  // if next line starts with a "=" we need to reinsert the <br />
1189  // otherwise it will not be recognized
1190  if (substr($a_str, 0, 1) == "=")
1191  {
1192  $a_str = "<br />".$a_str;
1193  }
1194  }
1195  return $a_str;
1196  }
1197 
1201  function removeTrailingBr($a_str)
1202  {
1203  if (substr($a_str, strlen($a_str) - 6) == "<br />")
1204  {
1205  $a_str = substr($a_str, 0, strlen($a_str) - 6);
1206  }
1207  return $a_str;
1208  }
1209 
1213  function getType()
1214  {
1215  return ($this->getCharacteristic() == "Code")?"src":parent::getType();
1216  }
1217 
1218 }
1219 ?>