ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
Public Member Functions | Static Public Member Functions | Protected Member Functions | Protected Attributes
ilTaggingClassificationProvider Class Reference
Services/Tagging

Tag classification provider. More...

+ Inheritance diagram for ilTaggingClassificationProvider:
+ Collaboration diagram for ilTaggingClassificationProvider:

Public Member Functions

 render (array &$a_html, $a_parent_gui)
 
 importPostData ($a_saved=null)
 
 setSelection ($a_value)
 
 getFilteredObjects ()
 
 initListGUI (ilObjectListGUI $a_list_gui)
 
- Public Member Functions inherited from ilClassificationProvider
 __construct ($a_parent_ref_id, $a_parent_obj_id, $a_parent_obj_type)
 Constructor. More...
 
 render (array &$a_html, $a_parent_gui)
 Render HTML chunks. More...
 
 importPostData ($a_saved=null)
 Import post data. More...
 
 setSelection ($a_value)
 Set selection. More...
 
 getFilteredObjects ()
 Get filtered object ref ids. More...
 
 initListGUI (ilObjectListGUI $a_list_gui)
 Init list gui properties. More...
 

Static Public Member Functions

static isActive ($a_parent_ref_id, $a_parent_obj_id, $a_parent_obj_type)
 
- Static Public Member Functions inherited from ilClassificationProvider
static getValidProviders ($a_parent_ref_id, $a_parent_obj_id, $a_parent_obj_type)
 Get all valid providers (for parent container) More...
 
static isActive ($a_parent_ref_id, $a_parent_obj_id, $a_parent_obj_type)
 Is provider currently active? More...
 

Protected Member Functions

 init ()
 
 getSubTreeTags ()
 
- Protected Member Functions inherited from ilClassificationProvider
 init ()
 Instance initialisation. More...
 

Protected Attributes

 $enable_all_users
 
 $selection
 
- Protected Attributes inherited from ilClassificationProvider
 $parent_ref_id
 
 $parent_obj_id
 
 $parent_type
 

Detailed Description

Tag classification provider.

Author
Jörg Lützenkirchen luetz.nosp@m.enki.nosp@m.rchen.nosp@m.@lei.nosp@m.fos.c.nosp@m.om
Version
$Id$

Definition at line 14 of file class.ilTaggingClassificationProvider.php.

Member Function Documentation

◆ getFilteredObjects()

ilTaggingClassificationProvider::getFilteredObjects ( )

Definition at line 169 of file class.ilTaggingClassificationProvider.php.

References $ilUser, $res, and ilTagging\_findObjectsByTag().

170  {
171  global $ilUser;
172 
173  if(!$this->selection)
174  {
175  return;
176  }
177 
178  include_once "Services/Tagging/classes/class.ilTagging.php";
179 
180  $types = array("personal");
181  if($this->enable_all_users)
182  {
183  $types[] = "other";
184  }
185 
186  $found = array();
187  foreach($types as $type)
188  {
189  if(is_array($this->selection[$type]))
190  {
191  $invert = ($type == "personal")
192  ? false
193  : true;
194 
195  foreach($this->selection[$type] as $tag)
196  {
197  $found[$tag] = array_keys(ilTagging::_findObjectsByTag($tag, $ilUser->getId(), $invert));
198  }
199  }
200  }
201 
202  /* OR
203  $res = array();
204  foreach($found as $tag => $ids)
205  {
206  $res = array_merge($res, $ids);
207  }
208  */
209 
210  // AND
211  $res = null;
212  foreach($found as $tag => $ids)
213  {
214  if($res === null)
215  {
216  $res = $ids;
217  }
218  else
219  {
220  $res = array_intersect($res, $ids);
221  }
222  }
223 
224  if(sizeof($res))
225  {
226  return array_unique($res);
227  }
228  }
ilTagging\_findObjectsByTag
static _findObjectsByTag($a_tag, $a_user_id=null, $a_invert=false)
Find all objects with given tag.
Definition: class.ilTagging.php:454
$ilUser
global $ilUser
Definition: imgupload.php:15
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◆ getSubTreeTags()

ilTaggingClassificationProvider::getSubTreeTags ( )
protected

Definition at line 230 of file class.ilTaggingClassificationProvider.php.

References $ilUser, and ilTagging\_getTagCloudForObjects().

Referenced by importPostData(), and render().

231  {
232  global $tree, $ilUser;
233 
234  $sub_ids = array();
235  foreach($tree->getSubTree($tree->getNodeData($this->parent_ref_id)) as $sub_item)
236  {
237  if($sub_item["ref_id"] != $this->parent_ref_id &&
238  $sub_item["type"] != "rolf" &&
239  !$tree->isDeleted($sub_item["ref_id"]))
240  {
241  $sub_ids[$sub_item["obj_id"]] = $sub_item["type"];
242  }
243  }
244 
245  if($sub_ids)
246  {
247  $only_user = $this->enable_all_users
248  ? null
249  : $ilUser->getId();
250 
251  include_once "Services/Tagging/classes/class.ilTagging.php";
252  return ilTagging::_getTagCloudForObjects($sub_ids, $only_user, $ilUser->getId());
253  }
254  }
$ilUser
global $ilUser
Definition: imgupload.php:15
ilTagging\_getTagCloudForObjects
static _getTagCloudForObjects(array $a_obj_ids, $a_user_id=null, $a_divide=false)
Count tags for given object ids.
Definition: class.ilTagging.php:398
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◆ importPostData()

ilTaggingClassificationProvider::importPostData (   $a_saved = null)

Definition at line 115 of file class.ilTaggingClassificationProvider.php.

References $_REQUEST, and getSubTreeTags().

116  {
117  $type = trim($_REQUEST["tag_type"]);
118  $tag_code = trim($_REQUEST["tag"]); // using codes to avoid encoding issues
119  if($type && $tag_code)
120  {
121  // code to tag
122  $found = null;
123  foreach($this->getSubTreeTags() as $tags)
124  {
125  foreach(array_keys($tags) as $tag)
126  {
127  if(md5($tag) == $tag_code)
128  {
129  $found = $tag;
130  break(2);
131  }
132  }
133  }
134  if($found)
135  {
136  /* single select
137  if(is_array($a_saved[$type]) &&
138  in_array($found, $a_saved[$type]))
139  {
140  return;
141  }
142  return array($type=>array($found));
143  */
144  // multi select
145  if(is_array($a_saved[$type]) &&
146  in_array($found, $a_saved[$type]))
147  {
148  $key = array_search($found, $a_saved[$type]);
149  unset($a_saved[$type][$key]);
150  if(!sizeof($a_saved[$type]))
151  {
152  unset($a_saved[$type]);
153  }
154  }
155  else
156  {
157  $a_saved[$type][] = $found;
158  }
159  }
160  return $a_saved;
161  }
162  }
$_REQUEST
if($_REQUEST['ilias_path']) define('ILIAS_HTTP_PATH' $_REQUEST['ilias_path']
Definition: index.php:7
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◆ init()

ilTaggingClassificationProvider::init ( )
protected

Definition at line 19 of file class.ilTaggingClassificationProvider.php.

20  {
21  $tags_set = new ilSetting("tags");
22  $this->enable_all_users = (bool)$tags_set->get("enable_all_users", false);
23  }
ilSetting
ILIAS Setting Class.
Definition: class.ilSetting.php:32

◆ initListGUI()

ilTaggingClassificationProvider::initListGUI ( ilObjectListGUI  $a_list_gui)

Definition at line 256 of file class.ilTaggingClassificationProvider.php.

References ilObjectListGUI\enableTags().

257  {
258  $a_list_gui->enableTags(true);
259  }
ilObjectListGUI\enableTags
enableTags($a_value)
Toogle tags action status.
Definition: class.ilObjectListGUI.php:2976
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◆ isActive()

static ilTaggingClassificationProvider::isActive (   $a_parent_ref_id,
  $a_parent_obj_id,
  $a_parent_obj_type 
)
static

Definition at line 25 of file class.ilTaggingClassificationProvider.php.

References $ilUser, $valid, ilContainer\_lookupContainerSetting(), and ilObjectServiceSettingsGUI\TAG_CLOUD.

Referenced by ilClassificationProvider\getValidProviders().

26  {
27  global $ilUser;
28 
29  // we currently only check for the parent object setting
30  // might change later on (parent containers)
31  include_once "Services/Object/classes/class.ilObjectServiceSettingsGUI.php";
32  $valid = ilContainer::_lookupContainerSetting(
33  $a_parent_obj_id,
34  ilObjectServiceSettingsGUI::TAG_CLOUD,
35  false
36  );
37 
38  if($valid)
39  {
40  $tags_set = new ilSetting("tags");
41  if(!$tags_set->get("enable_all_users", false) &&
42  $ilUser->getId() == ANONYMOUS_USER_ID)
43  {
44  $valid = false;
45  }
46  }
47 
48  return $valid;
49  }
ilSetting
ILIAS Setting Class.
Definition: class.ilSetting.php:32
$valid
$valid
Definition: dummy_client.php:53
$ilUser
global $ilUser
Definition: imgupload.php:15
ilContainer\_lookupContainerSetting
_lookupContainerSetting($a_id, $a_keyword, $a_default_value=NULL)
Lookup a container setting.
Definition: class.ilContainer.php:215
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◆ render()

ilTaggingClassificationProvider::render ( array &  $a_html,
  $a_parent_gui 
)

Definition at line 51 of file class.ilTaggingClassificationProvider.php.

References $lng, $tpl, ilTagging\getRelevanceClass(), and getSubTreeTags().

52  {
53  global $lng;
54 
55  $all_tags = $this->getSubTreeTags();
56  if($all_tags)
57  {
58  // see ilPDTaggingBlockGUI::getTagCloud();
59 
60  $map = array(
61  "personal" => $lng->txt("tagging_my_tags"),
62  "other" => $lng->txt("tagging_other_users")
63  );
64  foreach($map as $type => $title)
65  {
66  $tags = $all_tags[$type];
67  if($tags)
68  {
69  $max = 1;
70  foreach($tags as $tag => $counter)
71  {
72  $max = max($counter, $max);
73  }
74  reset($tags);
75 
76  $tpl = new ilTemplate("tpl.tag_cloud_block.html", true, true, "Services/Tagging");
77 
78  $tpl->setCurrentBlock("tag_bl");
79  foreach($tags as $tag => $counter)
80  {
81  $tpl->setVariable("TAG_TYPE", $type);
82  $tpl->setVariable("TAG_TITLE", $tag);
83  $tpl->setVariable("TAG_CODE", md5($tag));
84  $tpl->setVariable("REL_CLASS",
85  ilTagging::getRelevanceClass($counter, $max));
86  if(is_array($this->selection[$type]) &&
87  in_array($tag, $this->selection[$type]))
88  {
89  $tpl->setVariable("HIGHL_CLASS", ' ilHighlighted');
90  }
91 
92  $tpl->parseCurrentBlock();
93  }
94 
95  $a_html[] = array(
96  "title" => $title,
97  "html" => $tpl->get()
98  );
99  }
100  }
101 
102  /*
103  if($this->selection)
104  {
105  $a_html[] = array(
106  "title" => "Related Tags",
107  "html" => ":TODO:"
108  );
109  }
110  */
111  }
112  }
$tpl
global $tpl
Definition: ilias.php:8
ilTemplate
special template class to simplify handling of ITX/PEAR
Definition: class.ilTemplate.php:11
ilTagging\getRelevanceClass
static getRelevanceClass($cnt, $max)
Get style class for tag relevance.
Definition: class.ilTagging.php:233
$lng
global $lng
Definition: privfeed.php:40
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◆ setSelection()

ilTaggingClassificationProvider::setSelection (   $a_value)

Definition at line 164 of file class.ilTaggingClassificationProvider.php.

165  {
166  $this->selection = $a_value;
167  }

Field Documentation

◆ $enable_all_users

ilTaggingClassificationProvider::$enable_all_users
protected

Definition at line 16 of file class.ilTaggingClassificationProvider.php.

◆ $selection

ilTaggingClassificationProvider::$selection
protected

Definition at line 17 of file class.ilTaggingClassificationProvider.php.

The documentation for this class was generated from the following file: