ILIAS  release_5-2 Revision v5.2.25-18-g3f80b828510
ilTagging Class Reference

Class ilTagging. More...

+ Collaboration diagram for ilTagging:

Static Public Member Functions

static writeTagsForUserAndObject ($a_obj_id, $a_obj_type, $a_sub_obj_id, $a_sub_obj_type, $a_user_id, $a_tags)
 Write tags for a user and an object. More...
 
static getTagsForUserAndObject ($a_obj_id, $a_obj_type, $a_sub_obj_id, $a_sub_obj_type, $a_user_id)
 Get tags for a user and an object. More...
 
static getTagsForObject ($a_obj_id, $a_obj_type, $a_sub_obj_id, $a_sub_obj_type, $a_only_online=true)
 Get tags for an object. More...
 
static getTagsForUser ($a_user_id, $a_max=0, $a_only_online=true)
 Get tags for a user. More...
 
static getObjectsForTagAndUser ($a_user_id, $a_tag)
 Get objects for tag and user. More...
 
static calculateFontSize ($cnt, $max)
 Returns 100(%) for 1 and 150(%) for $max y = a + mx 100 = a + m (1) 150 = a + m * max (2) (1): a = 100 - m (3) (2): a = 150 - max*m (4) (3)&(4): m - 100 = max*m - 150 (5) (5) 50 = (max-1)*m => m = 50/(max -1) => a = 100 - 50/(max -1) More...
 
static getRelevanceClass ($cnt, $max)
 Get style class for tag relevance. More...
 
static setTagsOfObjectOffline ($a_obj_id, $a_obj_type, $a_sub_obj_id, $a_sub_obj_type, $a_offline=true)
 Set offline. More...
 
static deleteTagsOfObject ($a_obj_id, $a_obj_type, $a_sub_obj_id, $a_sub_obj_type)
 Deletes tags of an object. More...
 
static deleteTagOfObjectForUser ($a_user_id, $a_obj_id, $a_obj_type, $a_sub_obj_id, $a_sub_obj_type, $a_tag)
 Deletes tag of an object. More...
 
static getUsersForTag ($a_tag)
 Get users for tag. More...
 
static _countTags ($a_obj_ids, $a_all_users=false)
 Count all tags for repository objects. More...
 
static _getTagCloudForObjects (array $a_obj_ids, $a_user_id=null, $a_divide=false)
 Count tags for given object ids. More...
 
static _findObjectsByTag ($a_tag, $a_user_id=null, $a_invert=false)
 Find all objects with given tag. More...
 
static _getListTagsForObjects (array $a_obj_ids, $a_user_id=null)
 Get tags for given object ids. More...
 

Detailed Description

Class ilTagging.

Author
Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e
Version
$Id$

Definition at line 15 of file class.ilTagging.php.

Member Function Documentation

◆ _countTags()

static ilTagging::_countTags (   $a_obj_ids,
  $a_all_users = false 
)
static

Count all tags for repository objects.

Parameters
array$a_obj_idsrepository object IDs array
bool$a_all_users

Definition at line 369 of file class.ilTagging.php.

References $ilDB, $ilUser, and array.

Referenced by ilObjectListGUI\preloadCommonProperties().

370  {
371  global $ilDB, $ilUser;
372 
373  $q = "SELECT count(*) c, obj_id FROM il_tag WHERE ".
374  $ilDB->in("obj_id", $a_obj_ids, false, "integer");
375  if(!(bool)$a_all_users)
376  {
377  $q .= " AND user_id = ".$ilDB->quote($ilUser->getId(), "integer");
378  }
379  $q .= " GROUP BY obj_id";
380 
381  $cnt = array();
382  $set = $ilDB->query($q);
383  while ($rec = $ilDB->fetchAssoc($set))
384  {
385  $cnt[$rec["obj_id"]] = $rec["c"];
386  }
387 
388  return $cnt;
389  }
$ilUser
Definition: imgupload.php:18
Create styles array
The data for the language used.
global $ilDB
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◆ _findObjectsByTag()

static ilTagging::_findObjectsByTag (   $a_tag,
  $a_user_id = null,
  $a_invert = false 
)
static

Find all objects with given tag.

Parameters
string$a_tag
int$a_user_id
Returns
array

Definition at line 455 of file class.ilTagging.php.

References $ilDB, $res, $row, and array.

Referenced by ilTaggingClassificationProvider\getFilteredObjects().

456  {
457  global $ilDB;
458 
459  $res = array();
460 
461  $sql = "SELECT obj_id, obj_type".
462  " FROM il_tag".
463  " WHERE tag = ".$ilDB->quote($a_tag, "text").
464  " AND is_offline = ".$ilDB->quote(0, "integer");
465  if($a_user_id)
466  {
467  if(!$a_invert)
468  {
469  $sql .= " AND user_id = ".$ilDB->quote($a_user_id, "integer");
470  }
471  else
472  {
473  $sql .= " AND user_id <> ".$ilDB->quote($a_user_id, "integer");
474  }
475  }
476  $set = $ilDB->query($sql);
477  while($row = $ilDB->fetchAssoc($set))
478  {
479  $res[$row["obj_id"]] = $row["obj_type"];
480  }
481 
482  return $res;
483  }
Create styles array
The data for the language used.
global $ilDB
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◆ _getListTagsForObjects()

static ilTagging::_getListTagsForObjects ( array  $a_obj_ids,
  $a_user_id = null 
)
static

Get tags for given object ids.

Parameters
array$a_obj_ids
int$a_user_id
Returns
array

Definition at line 492 of file class.ilTagging.php.

References $ilDB, $ilUser, $res, $row, and array.

Referenced by ilTaggingGUI\getHTML(), and ilObjectListGUI\preloadCommonProperties().

493  {
494  global $ilDB, $ilUser;
495 
496  $res = array();
497 
498  $sql = "SELECT obj_id, tag, user_id".
499  " FROM il_tag".
500  " WHERE ".$ilDB->in("obj_id", $a_obj_ids, false, "integer").
501  " AND is_offline = ".$ilDB->quote(0, "integer");
502  if($a_user_id)
503  {
504  $sql .= " AND user_id = ".$ilDB->quote($a_user_id, "integer");
505  }
506  $sql .= " ORDER BY tag";
507  $set = $ilDB->query($sql);
508  while($row = $ilDB->fetchAssoc($set))
509  {
510  $tag = $row["tag"];
511  $res[$row["obj_id"]][$tag] = false;
512  if($row["user_id"] == $ilUser->getId())
513  {
514  $res[$row["obj_id"]][$tag] = true;
515  }
516  }
517 
518  return $res;
519  }
$ilUser
Definition: imgupload.php:18
Create styles array
The data for the language used.
global $ilDB
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◆ _getTagCloudForObjects()

static ilTagging::_getTagCloudForObjects ( array  $a_obj_ids,
  $a_user_id = null,
  $a_divide = false 
)
static

Count tags for given object ids.

Parameters
array$a_obj_idsobj_id => type
int$a_user_id
int$a_divide
Returns
array obj_id => counter

Definition at line 399 of file class.ilTagging.php.

References $ilDB, $res, $row, and array.

Referenced by ilTaggingClassificationProvider\getSubTreeTags().

400  {
401  global $ilDB;
402 
403  $res = array();
404 
405  $sql = "SELECT obj_id, obj_type, tag, user_id".
406  " FROM il_tag".
407  " WHERE ".$ilDB->in("obj_id", array_keys($a_obj_ids), false, "integer").
408  " AND is_offline = ".$ilDB->quote(0, "integer");
409  if($a_user_id)
410  {
411  $sql .= " AND user_id = ".$ilDB->quote($a_user_id, "integer");
412  }
413  $sql .= " ORDER BY tag";
414  $set = $ilDB->query($sql);
415  while($row = $ilDB->fetchAssoc($set))
416  {
417  if($a_obj_ids[$row["obj_id"]] == $row["obj_type"])
418  {
419  $tag = $row["tag"];
420 
421  if($a_divide)
422  {
423  if($row["user_id"] == $a_divide)
424  {
425  $res["personal"][$tag] = isset($res["personal"][$tag])
426  ? $res["personal"][$tag]++
427  : 1;
428  }
429  else
430  {
431  $res["other"][$tag] = isset($res["other"][$tag])
432  ? $res["other"][$tag]++
433  : 1;
434  }
435  }
436  else
437  {
438  $res[$tag] = isset($res[$tag])
439  ? $res[$tag]++
440  : 1;
441  }
442  }
443  }
444 
445  return $res;
446  }
Create styles array
The data for the language used.
global $ilDB
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◆ calculateFontSize()

static ilTagging::calculateFontSize (   $cnt,
  $max 
)
static

Returns 100(%) for 1 and 150(%) for $max y = a + mx 100 = a + m (1) 150 = a + m * max (2) (1): a = 100 - m (3) (2): a = 150 - max*m (4) (3)&(4): m - 100 = max*m - 150 (5) (5) 50 = (max-1)*m => m = 50/(max -1) => a = 100 - 50/(max -1)

Definition at line 220 of file class.ilTagging.php.

221  {
222  $m = ($max == 1)
223  ? 0
224  : 50 / ($max - 1);
225  $a = 100 - $m;
226  $font_size = round($a + ($m * $cnt));
227  return (int) $font_size;
228  }

◆ deleteTagOfObjectForUser()

static ilTagging::deleteTagOfObjectForUser (   $a_user_id,
  $a_obj_id,
  $a_obj_type,
  $a_sub_obj_id,
  $a_sub_obj_type,
  $a_tag 
)
static

Deletes tag of an object.

Parameters
int$a_user_idUser Id
int$a_obj_idObject ID
string$a_obj_typeObject Type
int$a_sub_obj_idSubobject ID
string$a_sub_obj_typeSubobject Type
string$a_tagTag

Definition at line 322 of file class.ilTagging.php.

References $ilDB, and array.

Referenced by ilPDTaggingBlockGUI\removeTagsWithoutAccess().

323  {
324  global $ilDB;
325 
326  if ($a_sub_obj_type == "")
327  {
328  $a_sub_obj_type = "-";
329  }
330 
331  $ilDB->manipulateF("DELETE FROM il_tag ".
332  "WHERE ".
333  "user_id = %s AND ".
334  "obj_id = %s AND ".
335  "obj_type = %s AND ".
336  "sub_obj_id = %s AND ".
337  $ilDB->equals("sub_obj_type", $a_sub_obj_type, "text", true)." AND ".
338  "tag = %s",
339  array("integer", "integer", "text", "integer", "text"),
340  array($a_user_id, $a_obj_id, $a_obj_type, $a_sub_obj_id, $a_tag));
341  }
Create styles array
The data for the language used.
global $ilDB
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◆ deleteTagsOfObject()

static ilTagging::deleteTagsOfObject (   $a_obj_id,
  $a_obj_type,
  $a_sub_obj_id,
  $a_sub_obj_type 
)
static

Deletes tags of an object.

Parameters
int$a_obj_idObject ID
string$a_obj_typeObject Type
int$a_sub_obj_idSubobject ID
string$a_sub_obj_typeSubobject Type

Definition at line 293 of file class.ilTagging.php.

References $ilDB, and array.

Referenced by getObjectsForTagAndUser(), and ilTaggingAppEventListener\handleEvent().

294  {
295  global $ilDB;
296 
297  if ($a_sub_obj_type == "")
298  {
299  $a_sub_obj_type = "-";
300  }
301 
302  $ilDB->manipulateF("DELETE FROM il_tag ".
303  "WHERE ".
304  "obj_id = %s AND ".
305  "obj_type = %s AND ".
306  "sub_obj_id = %s AND ".
307  $ilDB->equals("sub_obj_type", $a_sub_obj_type, "text", true),
308  array("integer", "text", "integer"),
309  array($a_obj_id, $a_obj_type, $a_sub_obj_id));
310  }
Create styles array
The data for the language used.
global $ilDB
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◆ getObjectsForTagAndUser()

static ilTagging::getObjectsForTagAndUser (   $a_user_id,
  $a_tag 
)
static

Get objects for tag and user.

Parameters
int$a_user_idUser ID

Definition at line 178 of file class.ilTagging.php.

References $ilDB, ilObject\_exists(), array, and deleteTagsOfObject().

Referenced by ilPDTaggingBlockGUI\removeTagsWithoutAccess(), and ilPDTaggingBlockGUI\showResourcesForTag().

179  {
180  global $ilDB;
181 
182  $q = "SELECT * FROM il_tag WHERE ".
183  "user_id = ".$ilDB->quote($a_user_id, "integer").
184  " AND tag = ".$ilDB->quote($a_tag, "text");
185 
186  $set = $ilDB->query($q);
187  $objects = array();
188  while($rec = $ilDB->fetchAssoc($set))
189  {
190  if (ilObject::_exists($rec["obj_id"]))
191  {
192  if ($rec["sub_obj_type"] == "-")
193  {
194  $rec["sub_obj_type"] = "";
195  }
196  $objects[] = $rec;
197  }
198  else
199  {
200  ilTagging::deleteTagsOfObject($rec["obj_id"], $rec["obj_type"],
201  $rec["sub_obj_id"], $rec["sub_obj_type"]);
202  }
203  }
204 
205  return $objects;
206  }
static _exists($a_id, $a_reference=false, $a_type=null)
checks if an object exists in object_data
static deleteTagsOfObject($a_obj_id, $a_obj_type, $a_sub_obj_id, $a_sub_obj_type)
Deletes tags of an object.
Create styles array
The data for the language used.
global $ilDB
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◆ getRelevanceClass()

static ilTagging::getRelevanceClass (   $cnt,
  $max 
)
static

Get style class for tag relevance.

Definition at line 233 of file class.ilTagging.php.

Referenced by ilTaggingGUI\getAllUserTagsForObjectHTML(), ilPDTaggingBlockGUI\getTagCloud(), ilTaggingClassificationProvider\render(), and ilObjBlogGUI\renderNavigationByKeywords().

234  {
235  $m = $cnt / $max;
236  if ($m >= 0.8)
237  {
238  return "ilTagRelVeryHigh";
239  }
240  else if ($m >= 0.6)
241  {
242  return "ilTagRelHigh";
243  }
244  else if ($m >= 0.4)
245  {
246  return "ilTagRelMiddle";
247  }
248  else if ($m >= 0.2)
249  {
250  return "ilTagRelLow";
251  }
252 
253  return "ilTagRelVeryLow";
254  }
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◆ getTagsForObject()

static ilTagging::getTagsForObject (   $a_obj_id,
  $a_obj_type,
  $a_sub_obj_id,
  $a_sub_obj_type,
  $a_only_online = true 
)
static

Get tags for an object.

Parameters
int$a_obj_idObject ID
string$a_obj_typeObject Type
int$a_sub_obj_idSubobject ID
string$a_sub_obj_typeSubobject Type

Definition at line 112 of file class.ilTagging.php.

References $ilDB, and array.

Referenced by ilTaggingGUI\getAllUserTagsForObjectHTML().

114  {
115  global $ilDB;
116 
117  $online_str = ($a_only_online)
118  ? $online_str = " AND is_offline = ".$ilDB->quote(0, "integer")." "
119  : "";
120 
121  if ($a_sub_obj_type == "")
122  {
123  $a_sub_obj_type = "-";
124  }
125 
126  $q = "SELECT count(user_id) as cnt, tag FROM il_tag WHERE ".
127  "obj_id = ".$ilDB->quote($a_obj_id, "integer")." AND ".
128  "obj_type = ".$ilDB->quote($a_obj_type, "text")." AND ".
129  "sub_obj_id = ".$ilDB->quote($a_sub_obj_id, "integer")." AND ".
130  $ilDB->equals("sub_obj_type", $a_sub_obj_type, "text", true).
131  $online_str.
132  "GROUP BY tag ORDER BY tag ASC";
133  $set = $ilDB->query($q);
134  $tags = array();
135  while($rec = $ilDB->fetchAssoc($set))
136  {
137  $tags[] = $rec;
138  }
139 
140  return $tags;
141  }
Create styles array
The data for the language used.
global $ilDB
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◆ getTagsForUser()

static ilTagging::getTagsForUser (   $a_user_id,
  $a_max = 0,
  $a_only_online = true 
)
static

Get tags for a user.

Parameters
int$a_user_idUser ID

Definition at line 148 of file class.ilTagging.php.

References $ilDB, array, and ilUtil\sortArray().

Referenced by ilPDTaggingBlockGUI\fillDataSection().

149  {
150  global $ilDB;
151 
152  $online_str = ($a_only_online)
153  ? $online_str = " AND is_offline = ".$ilDB->quote(0, "integer")." "
154  : "";
155 
156  $set = $ilDB->query("SELECT count(*) as cnt, tag FROM il_tag WHERE ".
157  "user_id = ".$ilDB->quote($a_user_id, "integer")." ".
158  $online_str.
159  " GROUP BY tag ORDER BY cnt DESC");
160  $tags = array();
161  $cnt = 1;
162  while(($rec = $ilDB->fetchAssoc($set)) &&
163  ($a_max == 0 || $cnt <= $a_max))
164  {
165  $tags[] = $rec;
166  $cnt++;
167  }
168  $tags = ilUtil::sortArray($tags, "tag", "asc");
169 
170  return $tags;
171  }
static sortArray($array, $a_array_sortby, $a_array_sortorder=0, $a_numeric=false, $a_keep_keys=false)
sortArray
Create styles array
The data for the language used.
global $ilDB
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◆ getTagsForUserAndObject()

static ilTagging::getTagsForUserAndObject (   $a_obj_id,
  $a_obj_type,
  $a_sub_obj_id,
  $a_sub_obj_type,
  $a_user_id 
)
static

Get tags for a user and an object.

Parameters
int$a_obj_idObject ID
string$a_obj_typeObject Type
int$a_sub_obj_idSubobject ID
string$a_sub_obj_typeSubobject Type
int$a_user_idUser ID

Definition at line 77 of file class.ilTagging.php.

References $ilDB, and array.

Referenced by ilObjectListGUI\getHeaderAction(), ilTaggingGUI\getHTML(), and ilTaggingGUI\getTaggingInputHTML().

79  {
80  global $ilDB;
81 
82  if ($a_sub_obj_type == "")
83  {
84  $a_sub_obj_type = "-";
85  }
86 
87  $q = "SELECT * FROM il_tag WHERE ".
88  "user_id = ".$ilDB->quote($a_user_id, "integer")." AND ".
89  "obj_id = ".$ilDB->quote($a_obj_id, "integer")." AND ".
90  "obj_type = ".$ilDB->quote($a_obj_type, "text")." AND ".
91  "sub_obj_id = ".$ilDB->quote((int) $a_sub_obj_id, "integer")." AND ".
92  $ilDB->equals("sub_obj_type", $a_sub_obj_type, "text", true).
93  " ORDER BY tag ASC";
94  $set = $ilDB->query($q);
95  $tags = array();
96  while($rec = $ilDB->fetchAssoc($set))
97  {
98  $tags[] = $rec["tag"];
99  }
100 
101  return $tags;
102  }
Create styles array
The data for the language used.
global $ilDB
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◆ getUsersForTag()

static ilTagging::getUsersForTag (   $a_tag)
static

Get users for tag.

Definition at line 346 of file class.ilTagging.php.

References $DIC, $ilDB, and array.

Referenced by ilUserForTagTableGUI\__construct().

347  {
348  global $DIC;
349  $ilDB = $DIC->database();
350 
351  $set = $ilDB->query("SELECT DISTINCT user_id, firstname, lastname FROM il_tag JOIN usr_data ON (user_id = usr_id) ".
352  " WHERE LOWER(tag) = LOWER(".$ilDB->quote($a_tag, "text").")".
353  " ORDER BY lastname, firstname"
354  );
355  $users = array();
356  while ($rec = $ilDB->fetchAssoc($set))
357  {
358  $users[] = array("id" => $rec["user_id"]);
359  }
360  return $users;
361  }
Create styles array
The data for the language used.
global $ilDB
global $DIC
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◆ setTagsOfObjectOffline()

static ilTagging::setTagsOfObjectOffline (   $a_obj_id,
  $a_obj_type,
  $a_sub_obj_id,
  $a_sub_obj_type,
  $a_offline = true 
)
static

Set offline.

Parameters
int$a_obj_idObject ID
string$a_obj_typeObject Type
int$a_sub_obj_idSubobject ID
string$a_sub_obj_typeSubobject Type
boolean$a_offlineOffline (true/false, true means offline!)

Definition at line 265 of file class.ilTagging.php.

References $ilDB, and array.

Referenced by ilTaggingAppEventListener\handleEvent().

267  {
268  global $ilDB;
269 
270  if ($a_sub_obj_type == "")
271  {
272  $a_sub_obj_type = "-";
273  }
274 
275  $ilDB->manipulateF("UPDATE il_tag SET is_offline = %s ".
276  "WHERE ".
277  "obj_id = %s AND ".
278  "obj_type = %s AND ".
279  "sub_obj_id = %s AND ".
280  $ilDB->equals("sub_obj_type", $a_sub_obj_type, "text", true),
281  array("boolean", "integer", "text", "integer"),
282  array($a_offline, $a_obj_id, $a_obj_type, $a_sub_obj_id));
283  }
Create styles array
The data for the language used.
global $ilDB
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◆ writeTagsForUserAndObject()

static ilTagging::writeTagsForUserAndObject (   $a_obj_id,
  $a_obj_type,
  $a_sub_obj_id,
  $a_sub_obj_type,
  $a_user_id,
  $a_tags 
)
static

Write tags for a user and an object.

Parameters
int$a_obj_idObject ID
string$a_obj_typeObject Type
int$a_sub_obj_idSubobject ID
string$a_sub_obj_typeSubobject Type
int$a_user_idUser ID
array$a_tagsTags

Definition at line 27 of file class.ilTagging.php.

References $ilDB, and array.

Referenced by ilTaggingGUI\saveInput(), and ilTaggingGUI\saveJS().

29  {
30  global $ilDB;
31 
32  if ($a_sub_obj_type == "")
33  {
34  $a_sub_obj_type = "-";
35  }
36 
37  $ilDB->manipulate("DELETE FROM il_tag WHERE ".
38  "user_id = ".$ilDB->quote($a_user_id, "integer")." AND ".
39  "obj_id = ".$ilDB->quote($a_obj_id, "integer")." AND ".
40  "obj_type = ".$ilDB->quote($a_obj_type, "text")." AND ".
41  "sub_obj_id = ".$ilDB->quote((int) $a_sub_obj_id, "integer")." AND ".
42  $ilDB->equals("sub_obj_type", $a_sub_obj_type, "text", true));
43  //"sub_obj_type = ".$ilDB->quote($a_sub_obj_type, "text"));
44 
45  if (is_array($a_tags))
46  {
47  $inserted = array();
48  foreach($a_tags as $tag)
49  {
50  if (!in_array(strtolower($tag), $inserted))
51  {
52  //$tag = str_replace(" ", "_", trim($tag));
53  $ilDB->manipulate("INSERT INTO il_tag (user_id, obj_id, obj_type,".
54  "sub_obj_id, sub_obj_type, tag) VALUES (".
55  $ilDB->quote($a_user_id, "integer").",".
56  $ilDB->quote($a_obj_id, "integer").",".
57  $ilDB->quote($a_obj_type, "text").",".
58  $ilDB->quote((int) $a_sub_obj_id, "integer").",".
59  $ilDB->quote($a_sub_obj_type, "text").",".
60  $ilDB->quote($tag, "text").")");
61 
62  $inserted[] = strtolower($tag);
63  }
64  }
65  }
66  }
Create styles array
The data for the language used.
global $ilDB
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The documentation for this class was generated from the following file: