Public Member Functions | Data Fields

ilObjSurveyQuestionPool Class Reference

Inheritance diagram for ilObjSurveyQuestionPool:
Collaboration diagram for ilObjSurveyQuestionPool:

Public Member Functions

 ilObjSurveyQuestionPool ($a_id=0, $a_call_by_reference=true)
 Constructor public.
 create ($a_upload=false)
 create question pool object
 update ()
 update object data
 read ($a_force_db=false)
 read object data from db into object
 loadFromDb ()
 Loads a ilObjQuestionpool object from a database.
 saveToDb ()
 Saves a ilObjSurveyQuestionPool object to a database.
 ilClone ($a_parent_ref)
 copy all entries of your object.
 delete ()
 delete object and all related data
 deleteAllData ()
 notify ($a_event, $a_ref_id, $a_parent_non_rbac_id, $a_node_id, $a_params=0)
 notifys an object about an event occured Based on the event happend, each object may decide how it reacts.
 getTitle ()
 get title of survey question pool object
 setTitle ($a_title)
 set title of survey question pool object
 removeQuestion ($question_id)
 Removes a question from the question pool.
 getQuestiontype ($question_id)
 Returns the question type of a question with a given id.
 isInUse ($question_id)
 Checks if a question is in use by a survey.
 paste ($question_id)
 Pastes a question in the question pool.
getQuestionsInfo ($question_array)
 Retrieves the datase entries for questions from a given array.
 duplicateQuestion ($question_id, $obj_id="")
 Duplicates a question for a questionpool.
 deletePhrases ($phrase_array)
 Delete phrases from the database.
 getQuestionsTable ($sortoptions, $filter_text, $sel_filter_type, $startrow=0)
 Calculates the data for the output of the questionpool.
 createExportDirectory ()
 creates data directory for export files (data_dir/spl_data/spl_<id>/export, depending on data directory that is set in ILIAS setup/ini)
 getExportDirectory ()
 get export directory of survey
 getExportFiles ($dir)
 get export files
 createImportDirectory ()
 creates data directory for import files (data_dir/spl_data/spl_<id>/import, depending on data directory that is set in ILIAS setup/ini)
 getImportDirectory ()
 get import directory of survey
 to_xml ($questions)
 export questions to xml
getQuestions ()
 importObject ($source)
 setOnline ($a_online_status)
 Sets the questionpool online status.
 getOnline ()
 _lookupOnline ($a_obj_id)
 _isWriteable ($object_id, $user_id)
 Returns true, if the question pool is writeable by a given user.

Data Fields

 $online

Detailed Description

Definition at line 38 of file class.ilObjSurveyQuestionPool.php.


Member Function Documentation

ilObjSurveyQuestionPool::_isWriteable ( object_id,
user_id 
)

Returns true, if the question pool is writeable by a given user.

Returns true, if the question pool is writeable by a given user

Parameters:
integer $object_id The object id of the question pool
integer $user_id The database id of the user public

Definition at line 961 of file class.ilObjSurveyQuestionPool.php.

References $query, $rbacsystem, $result, $row, and ilObject::_hasUntrashedReference().

        {
                global $rbacsystem;
                global $ilDB;
                
                $result_array = array();
                $query = sprintf("SELECT object_data.*, object_data.obj_id, object_reference.ref_id FROM object_data, object_reference WHERE object_data.obj_id = object_reference.obj_id AND object_data.obj_id = %s",
                        $ilDB->quote($object_id . "")
                );
                $result = $ilDB->query($query);
                while ($row = $result->fetchRow(DB_FETCHMODE_ASSOC))
                {               
                        include_once "./classes/class.ilObject.php";
                        if ($rbacsystem->checkAccess("write", $row["ref_id"]) && (ilObject::_hasUntrashedReference($row["obj_id"])))
                        {
                                return true;
                        }
                }
                return false;
        }

Here is the call graph for this function:

ilObjSurveyQuestionPool::_lookupOnline ( a_obj_id  ) 

Definition at line 936 of file class.ilObjSurveyQuestionPool.php.

References $query, $result, and $row.

Referenced by ilObjSurvey::getAvailableQuestionpools(), ilObjSurvey::getForbiddenQuestionpools(), ilObjSurveyQuestionPoolListGUI::getProperties(), and ilObjSurvey::getQuestionpoolTitles().

        {
                global $ilDB;
                
                $query = sprintf("SELECT online FROM survey_questionpool WHERE obj_fi = %s",
                        $ilDB->quote($a_obj_id . "")
                );
                $result = $ilDB->query($query);
                if ($result->numRows() == 1)
                {
                        $row = $result->fetchRow(DB_FETCHMODE_ASSOC);
                        return $row["online"];
                }
                return 0;
        }

Here is the caller graph for this function:

ilObjSurveyQuestionPool::create ( a_upload = false  ) 

create question pool object

Definition at line 62 of file class.ilObjSurveyQuestionPool.php.

References ilObject::create(), and ilObject::createMetaData().

        {
                parent::create();
                if(!$a_upload)
                {
                        $this->createMetaData();
                }
        }

Here is the call graph for this function:

ilObjSurveyQuestionPool::createExportDirectory (  ) 

creates data directory for export files (data_dir/spl_data/spl_<id>/export, depending on data directory that is set in ILIAS setup/ini)

Definition at line 601 of file class.ilObjSurveyQuestionPool.php.

References ilUtil::getDataDir(), ilObject::getId(), and ilUtil::makeDir().

        {
                include_once "./classes/class.ilUtil.php";
                $spl_data_dir = ilUtil::getDataDir()."/spl_data";
                ilUtil::makeDir($spl_data_dir);
                if(!is_writable($spl_data_dir))
                {
                        $this->ilias->raiseError("Survey Questionpool Data Directory (".$spl_data_dir
                                .") not writeable.",$this->ilias->error_obj->FATAL);
                }
                
                // create learning module directory (data_dir/lm_data/lm_<id>)
                $spl_dir = $spl_data_dir."/spl_".$this->getId();
                ilUtil::makeDir($spl_dir);
                if(!@is_dir($spl_dir))
                {
                        $this->ilias->raiseError("Creation of Survey Questionpool Directory failed.",$this->ilias->error_obj->FATAL);
                }
                // create Export subdirectory (data_dir/lm_data/lm_<id>/Export)
                $export_dir = $spl_dir."/export";
                ilUtil::makeDir($export_dir);
                if(!@is_dir($export_dir))
                {
                        $this->ilias->raiseError("Creation of Export Directory failed.",$this->ilias->error_obj->FATAL);
                }
        }

Here is the call graph for this function:

ilObjSurveyQuestionPool::createImportDirectory (  ) 

creates data directory for import files (data_dir/spl_data/spl_<id>/import, depending on data directory that is set in ILIAS setup/ini)

Definition at line 682 of file class.ilObjSurveyQuestionPool.php.

References ilUtil::getDataDir(), ilObject::getId(), and ilUtil::makeDir().

        {
                include_once "./classes/class.ilUtil.php";
                $spl_data_dir = ilUtil::getDataDir()."/spl_data";
                ilUtil::makeDir($spl_data_dir);
                
                if(!is_writable($spl_data_dir))
                {
                        $this->ilias->raiseError("Survey Questionpool Data Directory (".$spl_data_dir
                                .") not writeable.",$this->ilias->error_obj->FATAL);
                }

                // create test directory (data_dir/spl_data/spl_<id>)
                $spl_dir = $spl_data_dir."/spl_".$this->getId();
                ilUtil::makeDir($spl_dir);
                if(!@is_dir($spl_dir))
                {
                        $this->ilias->raiseError("Creation of Survey Questionpool Directory failed.",$this->ilias->error_obj->FATAL);
                }

                // create import subdirectory (data_dir/spl_data/spl_<id>/import)
                $import_dir = $spl_dir."/import";
                ilUtil::makeDir($import_dir);
                if(!@is_dir($import_dir))
                {
                        $this->ilias->raiseError("Creation of Import Directory failed.",$this->ilias->error_obj->FATAL);
                }
        }

Here is the call graph for this function:

ilObjSurveyQuestionPool::delete (  ) 

delete object and all related data

public

Returns:
boolean true if all object data were removed; false if only a references were removed

Reimplemented from ilObject.

Definition at line 198 of file class.ilObjSurveyQuestionPool.php.

References deleteAllData(), and ilObject::deleteMetaData().

        {
                $remove = parent::delete();
                // always call parent delete function first!!
                if (!$remove)
                {
                        return false;
                }

                // delete all related questions
                $this->deleteAllData();

                // delete meta data
                $this->deleteMetaData();
                
                return true;
        }

Here is the call graph for this function:

ilObjSurveyQuestionPool::deleteAllData (  ) 

Definition at line 216 of file class.ilObjSurveyQuestionPool.php.

References $query, $result, $row, ilUtil::delDir(), ilUtil::getDataDir(), ilObject::getId(), and removeQuestion().

Referenced by delete().

        {
                $query = sprintf("SELECT question_id FROM survey_question WHERE obj_fi = %s AND original_id IS NULL",
                        $this->ilias->db->quote($this->getId())
                );
                $result = $this->ilias->db->query($query);
                $found_questions = array();
                while ($row = $result->fetchRow(DB_FETCHMODE_ASSOC))
                {
                        $this->removeQuestion($row["question_id"]);
                }

                // delete export files
                include_once "./classes/class.ilUtil.php";
                $spl_data_dir = ilUtil::getDataDir()."/spl_data";
                $directory = $spl_data_dir."/spl_".$this->getId();
                if (is_dir($directory))
                {
                        include_once "./classes/class.ilUtil.php";
                        ilUtil::delDir($directory);
                }
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilObjSurveyQuestionPool::deletePhrases ( phrase_array  ) 

Delete phrases from the database.

Delete phrases from the database

Parameters:
array $phrase_array An array containing phrase id's to delete public

Definition at line 478 of file class.ilObjSurveyQuestionPool.php.

References $query, and $result.

        {
                $query = "DELETE FROM survey_phrase WHERE phrase_id IN (" . join($phrase_array, ",") . ")";
                $result = $this->ilias->db->query($query);
                $query = "DELETE FROM survey_phrase_category WHERE phrase_fi IN (" . join($phrase_array, ",") . ")";
                $result = $this->ilias->db->query($query);
        }

ilObjSurveyQuestionPool::duplicateQuestion ( question_id,
obj_id = "" 
)

Duplicates a question for a questionpool.

Duplicates a question for a questionpool

Parameters:
integer $question_id The database id of the question public

Definition at line 448 of file class.ilObjSurveyQuestionPool.php.

References $counter, $obj_id, and getQuestiontype().

Referenced by paste().

        {
                global $ilUser;
                
                $questiontype = $this->getQuestiontype($question_id);
                include_once "./survey/classes/class.$questiontype.php";
                $question = new $questiontype();
                $question->loadFromDb($question_id);
                $suffix = "";
    $counter = 1;
    while ($question->questionTitleExists($question->getTitle().$suffix, $obj_id)) 
                {
      $counter++;
                        if ($counter > 1) $suffix = " ($counter)";
    }
                if ($obj_id)
                {
                        $question->setObjId($obj_id);
                }
                $question->duplicate(false, $question->getTitle() . $suffix, $ilUser->fullname, $ilUser->id);
  }

Here is the call graph for this function:

Here is the caller graph for this function:

ilObjSurveyQuestionPool::getExportDirectory (  ) 

get export directory of survey

Definition at line 631 of file class.ilObjSurveyQuestionPool.php.

References ilUtil::getDataDir().

        {
                include_once "./classes/class.ilUtil.php";
                $export_dir = ilUtil::getDataDir()."/spl_data"."/spl_".$this->getId()."/export";
                return $export_dir;
        }

Here is the call graph for this function:

ilObjSurveyQuestionPool::getExportFiles ( dir  ) 

get export files

Definition at line 641 of file class.ilObjSurveyQuestionPool.php.

References $dir, and $file.

        {
                // quit if import dir not available
                if (!@is_dir($dir) or
                        !is_writeable($dir))
                {
                        return array();
                }

                        // open directory
                $dir = dir($dir);

                // initialize array
                $file = array();

                // get files and save the in the array
                while ($entry = $dir->read())
                {
                        if ($entry != "." and
                                $entry != ".." and
                                substr($entry, -4) == ".xml" and
                                ereg("^[0-9]{10}_{2}[0-9]+_{2}(spl__)*[0-9]+\.xml\$", $entry))
                        {
                                $file[] = $entry;
                        }
                }

                // close import directory
                $dir->close();
                // sort files
                sort ($file);
                reset ($file);

                return $file;
        }

ilObjSurveyQuestionPool::getImportDirectory (  ) 

get import directory of survey

Definition at line 714 of file class.ilObjSurveyQuestionPool.php.

References ilUtil::getDataDir().

        {
                include_once "./classes/class.ilUtil.php";
                $import_dir = ilUtil::getDataDir()."/spl_data".
                        "/spl_".$this->getId()."/import";
                if(@is_dir($import_dir))
                {
                        return $import_dir;
                }
                else
                {
                        return false;
                }
        }

Here is the call graph for this function:

ilObjSurveyQuestionPool::getOnline (  ) 

Definition at line 930 of file class.ilObjSurveyQuestionPool.php.

        {
                if (strcmp($this->online, "") == 0) $this->online = "0";
                return $this->online;
        }

& ilObjSurveyQuestionPool::getQuestions (  ) 

Definition at line 791 of file class.ilObjSurveyQuestionPool.php.

References $query, $result, and $row.

Referenced by to_xml().

        {
                $questions = array();
                $query = sprintf("SELECT question_id FROM survey_question WHERE obj_fi = %s AND ISNULL(original_id)",
                        $this->ilias->db->quote($this->getId() . "")
                );
                $result = $this->ilias->db->query($query);
                if ($result->numRows())
                {
                        while ($row = $result->fetchRow(DB_FETCHMODE_ASSOC))
                        {
                                array_push($questions, $row["question_id"]);
                        }
                }
                return $questions;
        }

Here is the caller graph for this function:

& ilObjSurveyQuestionPool::getQuestionsInfo ( question_array  ) 

Retrieves the datase entries for questions from a given array.

Retrieves the datase entries for questions from a given array

Parameters:
array $question_array An array containing the id's of the questions
Returns:
array An array containing the database rows of the given question id's public

Definition at line 426 of file class.ilObjSurveyQuestionPool.php.

References $query, $result, and $row.

        {
                $result_array = array();
                $query = sprintf("SELECT survey_question.*, survey_questiontype.type_tag FROM survey_question, survey_questiontype WHERE survey_question.questiontype_fi = survey_questiontype.questiontype_id AND survey_question.question_id IN (%s)",
                        join($question_array, ",")
                );
    $result = $this->ilias->db->query($query);
                while ($row = $result->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        array_push($result_array, $row);
                }
                return $result_array;
        }

ilObjSurveyQuestionPool::getQuestionsTable ( sortoptions,
filter_text,
sel_filter_type,
startrow = 0 
)

Calculates the data for the output of the questionpool.

Calculates the data for the output of the questionpool

public

Definition at line 493 of file class.ilObjSurveyQuestionPool.php.

References $key, $query, $row, ilObject::getId(), and ilUtil::getImagePath().

        {
                global $ilUser;
                $where = "";
                if (strlen($filter_text) > 0) {
                        switch($sel_filter_type) {
                                case "title":
                                        $where = " AND survey_question.title LIKE " . $this->ilias->db->quote("%" . $filter_text . "%");
                                        break;
                                case "description":
                                        $where = " AND survey_question.description LIKE " . $this->ilias->db->quote("%" . $filter_text . "%");
                                        break;
                                case "author":
                                        $where = " AND survey_question.author LIKE " . $this->ilias->db->quote("%" . $filter_text . "%");
                                        break;
                        }
                }
  
    // build sort order for sql query
                $order = "";
                $images = array();
                include_once "./classes/class.ilUtil.php";
    if (count($sortoptions)) 
                {
      foreach ($sortoptions as $key => $value) 
                        {
        switch($key) 
                                {
          case "title":
            $order = " ORDER BY title $value";
            $images["title"] = " <img src=\"" . ilUtil::getImagePath(strtolower($value) . "_order.png", true) . "\" alt=\"" . strtolower($value) . "ending order\" />";
            break;
          case "description":
            $order = " ORDER BY description $value";
            $images["description"] = " <img src=\"" . ilUtil::getImagePath(strtolower($value) . "_order.png", true) . "\" alt=\"" . strtolower($value) . "ending order\" />";
            break;
          case "type":
            $order = " ORDER BY questiontype_id $value";
            $images["type"] = " <img src=\"" . ilUtil::getImagePath(strtolower($value) . "_order.png", true) . "\" alt=\"" . strtolower($value) . "ending order\" />";
            break;
          case "author":
            $order = " ORDER BY author $value";
            $images["author"] = " <img src=\"" . ilUtil::getImagePath(strtolower($value) . "_order.png", true) . "\" alt=\"" . strtolower($value) . "ending order\" />";
            break;
          case "created":
            $order = " ORDER BY created $value";
            $images["created"] = " <img src=\"" . ilUtil::getImagePath(strtolower($value) . "_order.png", true) . "\" alt=\"" . strtolower($value) . "ending order\" />";
            break;
          case "updated":
            $order = " ORDER BY TIMESTAMP14 $value";
            $images["updated"] = " <img src=\"" . ilUtil::getImagePath(strtolower($value) . "_order.png", true) . "\" alt=\"" . strtolower($value) . "ending order\" />";
            break;
        }
      }
    }
                $maxentries = $ilUser->prefs["hits_per_page"];
                if ($maxentries < 1)
                {
                        $maxentries = 9999;
                }
    $query = "SELECT survey_question.question_id, survey_question.TIMESTAMP + 0 AS TIMESTAMP14 FROM survey_question, survey_questiontype WHERE survey_question.questiontype_fi = survey_questiontype.questiontype_id AND survey_question.obj_fi = " . $this->getId() . " AND ISNULL(survey_question.original_id) $where$order$limit";
    $query_result = $this->ilias->db->query($query);
                $max = $query_result->numRows();
                if ($startrow > $max -1)
                {
                        $startrow = $max - ($max % $maxentries);
                }
                else if ($startrow < 0)
                {
                        $startrow = 0;
                }
                $limit = " LIMIT $startrow, $maxentries";
    $query = "SELECT survey_question.*, survey_question.TIMESTAMP + 0 AS TIMESTAMP14, survey_questiontype.type_tag FROM survey_question, survey_questiontype WHERE survey_question.questiontype_fi = survey_questiontype.questiontype_id AND survey_question.obj_fi = " . $this->getId() . " AND ISNULL(survey_question.original_id) $where$order$limit";
    $query_result = $this->ilias->db->query($query);
                $rows = array();
                if ($query_result->numRows())
                {
                        while ($row = $query_result->fetchRow(DB_FETCHMODE_ASSOC))
                        {
                                array_push($rows, $row);
                        }
                }
                $nextrow = $startrow + $maxentries;
                if ($nextrow > $max - 1)
                {
                        $nextrow = $startrow;
                }
                $prevrow = $startrow - $maxentries;
                if ($prevrow < 0)
                {
                        $prevrow = 0;
                }
                return array(
                        "rows" => $rows,
                        "images" => $images,
                        "startrow" => $startrow,
                        "nextrow" => $nextrow,
                        "prevrow" => $prevrow,
                        "step" => $maxentries,
                        "rowcount" => $max
                );
        }

Here is the call graph for this function:

ilObjSurveyQuestionPool::getQuestiontype ( question_id  ) 

Returns the question type of a question with a given id.

Returns the question type of a question with a given id

Parameters:
integer $question_id The database id of the question
Returns:
string The question type string private

Definition at line 351 of file class.ilObjSurveyQuestionPool.php.

References $data, $query, and $result.

Referenced by duplicateQuestion(), and to_xml().

  {
    if ($question_id < 1)
      return;
      
    $query = sprintf("SELECT survey_questiontype.type_tag FROM survey_question, survey_questiontype WHERE survey_question.questiontype_fi = survey_questiontype.questiontype_id AND survey_question.question_id = %s",
      $this->ilias->db->quote($question_id)
    );
    $result = $this->ilias->db->query($query);
    if ($result->numRows() == 1) {
      $data = $result->fetchRow(DB_FETCHMODE_OBJECT);
                        return $data->type_tag;
    } else {
      return;
    }
  }

Here is the caller graph for this function:

ilObjSurveyQuestionPool::getTitle (  ) 

get title of survey question pool object

Returns:
string title

Reimplemented from ilObject.

Definition at line 310 of file class.ilObjSurveyQuestionPool.php.

Referenced by to_xml().

        {
                //return $this->title;
                return parent::getTitle();
        }

Here is the caller graph for this function:

ilObjSurveyQuestionPool::ilClone ( a_parent_ref  ) 

copy all entries of your object.

public

Parameters:
integer ref_id of parent object
Returns:
integer new ref id

Reimplemented from ilObject.

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

References $rbacadmin.

        {               
                global $rbacadmin;

                // always call parent ilClone function first!!
                $new_ref_id = parent::ilClone($a_parent_ref);
                
                // get object instance of ilCloned object
                //$newObj =& $this->ilias->obj_factory->getInstanceByRefId($new_ref_id);

                // create a local role folder & default roles
                //$roles = $newObj->initDefaultRoles();

                // ...finally assign role to creator of object
                //$rbacadmin->assignUser($roles[0], $newObj->getOwner(), "n");          

                // always destroy objects in ilClone method because ilClone() is recursive and creates instances for each object in subtree!
                //unset($newObj);

                // ... and finally always return new reference ID!!
                return $new_ref_id;
        }

ilObjSurveyQuestionPool::ilObjSurveyQuestionPool ( a_id = 0,
a_call_by_reference = true 
)

Constructor public.

Parameters:
integer reference_id or object_id
boolean treat the id as reference_id (true) or object_id (false)

Definition at line 53 of file class.ilObjSurveyQuestionPool.php.

References ilObject::ilObject().

        {
                $this->type = "spl";
                $this->ilObject($a_id,$a_call_by_reference);
        }

Here is the call graph for this function:

ilObjSurveyQuestionPool::importObject ( source  ) 

Definition at line 808 of file class.ilObjSurveyQuestionPool.php.

References domxml_open_mem(), ilObject::getId(), and ilObject::MDUpdateListener().

        {
                $metadata = "";
                if (is_file($source))
                {
                        $fh = fopen($source, "r") or die("");
                        $xml = fread($fh, filesize($source));
                        fclose($fh) or die("");

                        // read questionpool metadata from xml file
                        $xml = preg_replace("/>\s*?</", "><", $xml);
                        $domxml = domxml_open_mem($xml);
                        if (!empty($domxml))
                        {
                                $nodeList = $domxml->get_elements_by_tagname("fieldlabel");
                                foreach ($nodeList as $node)
                                {
                                        switch ($node->get_content())
                                        {
                                                case "SCORM":
                                                        $metanode = $node->next_sibling();
                                                        if (strcmp($metanode->node_name(), "fieldentry") == 0)
                                                        {
                                                                $metadata = $metanode->get_content();
                                                        }
                                        }
                                }
                                $domxml->free();
                        }

                        // import file into questionpool
                        if (preg_match_all("/(<item[^>]*>.*?<\/item>)/si", $xml, $matches))
                        {
                                foreach ($matches[1] as $index => $item)
                                {
                                        // get identifier
                                        if (preg_match("/(<item[^>]*>)/is", $item, $start_tag))
                                        {
                                                if (preg_match("/(ident=\"([^\"]*)\")/is", $start_tag[1], $ident))
                                                {
                                                        $ident = $ident[2];
                                                }
                                        }
                                        $question = "";
                                        if (preg_match("/<qticomment>Questiontype\=(.*?)<\/qticomment>/is", $item, $questiontype))
                                        {
                                                include_once "./survey/classes/class.SurveyNominalQuestion.php";
                                                include_once "./survey/classes/class.SurveyOrdinalQuestion.php";
                                                include_once "./survey/classes/class.SurveyMetricQuestion.php";
                                                include_once "./survey/classes/class.SurveyTextQuestion.php";
                                                switch ($questiontype[1])
                                                {
                                                        case NOMINAL_QUESTION_IDENTIFIER:
                                                                $question = new SurveyNominalQuestion();
                                                                break;
                                                        case ORDINAL_QUESTION_IDENTIFIER:
                                                                $question = new SurveyOrdinalQuestion();
                                                                break;
                                                        case METRIC_QUESTION_IDENTIFIER:
                                                                $question = new SurveyMetricQuestion();
                                                                break;
                                                        case TEXT_QUESTION_IDENTIFIER:
                                                                $question = new SurveyTextQuestion();
                                                                break;
                                                }
                                                if ($question)
                                                {
                                                        $question->setObjId($this->getId());
                                                        if ($question->from_xml("<questestinterop>$item</questestinterop>"))
                                                        {
                                                                $question->saveToDb();
                                                        }
                                                        else
                                                        {
                                                                $this->ilias->raiseError($this->lng->txt("error_importing_question"), $this->ilias->error_obj->MESSAGE);
                                                        }
                                                }
                                        }
                                }
                        }
                        
                        if ($metadata)
                        {
                                include_once "./Services/MetaData/classes/class.ilMDSaxParser.php";
                                include_once "./Services/MetaData/classes/class.ilMD.php";
                                $md_sax_parser = new ilMDSaxParser();
                                $md_sax_parser->setXMLContent($metadata);
                                $md_sax_parser->setMDObject($tmp = new ilMD($this->getId(),0,'spl'));
                                $md_sax_parser->enableMDParsing(true);
                                $md_sax_parser->startParsing();

                                // Finally update title description
                                // Update title description
                                $this->MDUpdateListener('General');
                        }

                }
        }

Here is the call graph for this function:

ilObjSurveyQuestionPool::isInUse ( question_id  ) 

Checks if a question is in use by a survey.

Checks if a question is in use by a survey

Parameters:
integer $question_id The database id of the question
Returns:
mixed An array of the surveys which use the question, when the question is in use by at least one survey, otherwise false public

Definition at line 377 of file class.ilObjSurveyQuestionPool.php.

References $query, $result, and $row.

        {
                // check out the already answered questions
                $query = sprintf("SELECT answer_id FROM survey_answer WHERE question_fi = %s",
                        $this->ilias->db->quote($question_id)
                );
    $result = $this->ilias->db->query($query);
                $answered = $result->numRows();
                
                // check out the questions inserted in surveys
                $query = sprintf("SELECT survey_survey.* FROM survey_survey, survey_survey_question WHERE survey_survey_question.survey_fi = survey_survey.survey_id AND survey_survey_question.question_fi = %s",
                        $this->ilias->db->quote($question_id)
                );
    $result = $this->ilias->db->query($query);
                $inserted = $result->numRows();
                if (($inserted + $answered) == 0)
                {
                        return false;
                }
                $result_array = array();
                while ($row = $result->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        array_push($result_array, $row);
                }
                return $result_array;
        }

ilObjSurveyQuestionPool::loadFromDb (  ) 

Loads a ilObjQuestionpool object from a database.

Loads a ilObjQuestionpool object from a database

public

Definition at line 108 of file class.ilObjSurveyQuestionPool.php.

References $query, $result, $row, and setOnline().

Referenced by read().

        {
                global $ilDB;
                
                $query = sprintf("SELECT * FROM survey_questionpool WHERE obj_fi = %s",
                        $ilDB->quote($this->getId() . "")
                );
                $result = $ilDB->query($query);
                if ($result->numRows() == 1)
                {
                        $row = $result->fetchRow(DB_FETCHMODE_ASSOC);
                        $this->setOnline($row["online"]);
                }
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilObjSurveyQuestionPool::notify ( a_event,
a_ref_id,
a_parent_non_rbac_id,
a_node_id,
a_params = 0 
)

notifys an object about an event occured Based on the event happend, each object may decide how it reacts.

If you are not required to handle any events related to your module, just delete this method. (For an example how this method is used, look at ilObjGroup)

public

Parameters:
string event
integer reference id of object where the event occured
array passes optional parameters if required
Returns:
boolean

Reimplemented from ilObject.

Definition at line 252 of file class.ilObjSurveyQuestionPool.php.

References $_GET, $tree, and ilObject::getType().

        {
                global $tree;
                
                switch ($a_event)
                {
                        case "link":
                                
                                //var_dump("<pre>",$a_params,"</pre>");
                                //echo "Module name ".$this->getRefId()." triggered by link event. Objects linked into target object ref_id: ".$a_ref_id;
                                //exit;
                                break;
                        
                        case "cut":
                                
                                //echo "Module name ".$this->getRefId()." triggered by cut event. Objects are removed from target object ref_id: ".$a_ref_id;
                                //exit;
                                break;
                                
                        case "copy":
                        
                                //var_dump("<pre>",$a_params,"</pre>");
                                //echo "Module name ".$this->getRefId()." triggered by copy event. Objects are copied into target object ref_id: ".$a_ref_id;
                                //exit;
                                break;

                        case "paste":
                                
                                //echo "Module name ".$this->getRefId()." triggered by paste (cut) event. Objects are pasted into target object ref_id: ".$a_ref_id;
                                //exit;
                                break;
                        
                        case "new":
                                
                                //echo "Module name ".$this->getRefId()." triggered by paste (new) event. Objects are applied to target object ref_id: ".$a_ref_id;
                                //exit;
                                break;
                }
                
                // At the beginning of the recursive process it avoids second call of the notify function with the same parameter
                if ($a_node_id==$_GET["ref_id"])
                {       
                        $parent_obj =& $this->ilias->obj_factory->getInstanceByRefId($a_node_id);
                        $parent_type = $parent_obj->getType();
                        if($parent_type == $this->getType())
                        {
                                $a_node_id = (int) $tree->getParentId($a_node_id);
                        }
                }
                
                parent::notify($a_event,$a_ref_id,$a_parent_non_rbac_id,$a_node_id,$a_params);
        }

Here is the call graph for this function:

ilObjSurveyQuestionPool::paste ( question_id  ) 

Pastes a question in the question pool.

Pastes a question in the question pool

Parameters:
integer $question_id The database id of the question public

Definition at line 412 of file class.ilObjSurveyQuestionPool.php.

References duplicateQuestion(), and ilObject::getId().

        {
                $this->duplicateQuestion($question_id, $this->getId());
        }

Here is the call graph for this function:

ilObjSurveyQuestionPool::read ( a_force_db = false  ) 

read object data from db into object

Parameters:
boolean public

Reimplemented from ilObject.

Definition at line 95 of file class.ilObjSurveyQuestionPool.php.

References loadFromDb().

        {
                parent::read($a_force_db);
                $this->loadFromDb();
        }

Here is the call graph for this function:

ilObjSurveyQuestionPool::removeQuestion ( question_id  ) 

Removes a question from the question pool.

Removes a question from the question pool

Parameters:
integer $question_id The database id of the question private

Definition at line 332 of file class.ilObjSurveyQuestionPool.php.

References SurveyQuestion::_instanciateQuestion().

Referenced by deleteAllData().

  {
    if ($question_id < 1)
      return;
                
                include_once "./survey/classes/class.SurveyQuestion.php";
                $question =& SurveyQuestion::_instanciateQuestion($question_id);
                $question->delete($question_id);
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilObjSurveyQuestionPool::saveToDb (  ) 

Saves a ilObjSurveyQuestionPool object to a database.

Saves a ilObjSurveyQuestionPool object to a database

public

Definition at line 130 of file class.ilObjSurveyQuestionPool.php.

References $query, and $result.

  {
                global $ilDB;
                
                $query = sprintf("SELECT * FROM survey_questionpool WHERE obj_fi = %s",
                        $ilDB->quote($this->getId() . "")
                );
                $result = $ilDB->query($query);
                if ($result->numRows() == 1)
                {
                        $query = sprintf("UPDATE survey_questionpool SET online = %s WHERE obj_fi = %s",
                                $ilDB->quote($this->getOnline() . ""),
                                $ilDB->quote($this->getId() . "")
                        );
      $result = $ilDB->query($query);
      if ($result != DB_OK) 
                        {
      }
                }
                else
                {
                        $query = sprintf("INSERT INTO survey_questionpool (online, obj_fi) VALUES (%s, %s)",
                                $ilDB->quote($this->getOnline() . ""),
                                $ilDB->quote($this->getId() . "")
                        );
      $result = $ilDB->query($query);
      if ($result != DB_OK) 
                        {
      }
                }
        }

ilObjSurveyQuestionPool::setOnline ( a_online_status  ) 

Sets the questionpool online status.

Sets the questionpool online status

Parameters:
integer $a_online_status Online status of the questionpool
See also:
online Public

Definition at line 916 of file class.ilObjSurveyQuestionPool.php.

Referenced by loadFromDb().

        {
                switch ($a_online_status)
                {
                        case 0:
                        case 1:
                                $this->online = $a_online_status;
                                break;
                        default:
                                $this->online = 0;
                                break;
                }
        }

Here is the caller graph for this function:

ilObjSurveyQuestionPool::setTitle ( a_title  ) 

set title of survey question pool object

Reimplemented from ilObject.

Definition at line 319 of file class.ilObjSurveyQuestionPool.php.

        {
                parent::setTitle($a_title);
        }

ilObjSurveyQuestionPool::to_xml ( questions  ) 

export questions to xml

Definition at line 732 of file class.ilObjSurveyQuestionPool.php.

References $key, ilObject::getId(), getQuestions(), getQuestiontype(), getTitle(), and ilObject::getType().

        {
                if (!is_array($questions))
                {
                        $questions =& $this->getQuestions();
                }
                if (count($questions) == 0)
                {
                        $questions =& $this->getQuestions();
                }
                $xml = "";

                foreach ($questions as $key => $value)
                {
                        $questiontype = $this->getQuestiontype($value);
                        include_once "./survey/classes/class.$questiontype.php";
                        $question = new $questiontype();
                        $question->loadFromDb($value);
                        $xml .= $question->to_xml(false);
                }
                if (count($questions) > 1)
                {
                        $xml = preg_replace("/<\/questestinterop>\s*<questestinterop>/", "", $xml);
                }
                $xml = str_replace("<questestinterop>", "", $xml);
                $xml = str_replace("</questestinterop>", "", $xml);
                
                include_once("./classes/class.ilXmlWriter.php");
                $a_xml_writer = new ilXmlWriter;
                // set xml header
                $a_xml_writer->xmlHeader();
                $a_xml_writer->xmlStartTag("questestinterop");
                $attrs = array(
                        "ident" => "qpl_" . $this->getId(),
                        "title" => $this->getTitle()
                );
                $a_xml_writer->xmlStartTag("section", $attrs);
                // add ILIAS specific metadata
                $a_xml_writer->xmlStartTag("qtimetadata");
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "SCORM");

                include_once "./Services/MetaData/classes/class.ilMD.php";
                $md = new ilMD($this->getId(),0, $this->getType());
                $writer = new ilXmlWriter();
                $md->toXml($writer);
                $metadata = $writer->xmlDumpMem();

                $a_xml_writer->xmlElement("fieldentry", NULL, $metadata);
                $a_xml_writer->xmlEndTag("qtimetadatafield");
                $a_xml_writer->xmlEndTag("qtimetadata");
                $a_xml_writer->xmlEndTag("section");
                $a_xml_writer->xmlEndTag("questestinterop");

                $qtixml = $a_xml_writer->xmlDumpMem(FALSE);
                $qtixml = str_replace("</section>", $xml . "\n</section>", $qtixml);
                return $qtixml;
        }

Here is the call graph for this function:

ilObjSurveyQuestionPool::update (  ) 

update object data

public

Returns:
boolean

Reimplemented from ilObject.

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

References ilObject::updateMetaData().

        {
                $this->updateMetaData();
                if (!parent::update())
                {
                        return false;
                }

                // put here object specific stuff

                return true;
        }

Here is the call graph for this function:


Field Documentation

ilObjSurveyQuestionPool::$online

Definition at line 45 of file class.ilObjSurveyQuestionPool.php.


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