ilCourseObjective Class Reference

class ilcourseobjective More...

Inheritance diagram for ilCourseObjective:

Collaboration diagram for ilCourseObjective:

Public Member Functions
	ilCourseObjective (&$course_obj, $a_objective_id=0)
	ilClone ($a_target_id, $a_copy_id)
	clone objectives
	setTitle ($a_title)
	getTitle ()
	setDescription ($a_description)
	getDescription ()
	setObjectiveId ($a_objective_id)
	getObjectiveId ()
	add ()
	update ()
	writePosition ($a_position)
	write position
	validate ()
	validate
	delete ()
	moveUp ()
	moveDown ()
	__setPosition ($a_position)
	__getPosition ()
	__setCreated ($a_created)
	__getCreated ()
	__read ()
	__getOrderColumn ()
	__updateTop ()
	__getLastPosition ()
	_getObjectiveIds ($course_id)
	_deleteAll ($course_id)

Static Public Member Functions
static	_lookupContainerIdByObjectiveId ($a_objective_id)
	Get container of object.
static	_getCountObjectives ($a_obj_id)
	get count objectives

Data Fields
	$db = null
	$course_obj = null
	$objective_id = null

Detailed Description

class ilcourseobjective

Author

Stefan Meyer smeye.nosp@m.r@da.nosp@m.tabay.nosp@m..de

Version

Id:

class.ilCourseObjective.php 17216 2008-08-21 16:26:00Z smeyer

Definition at line 34 of file class.ilCourseObjective.php.

Member Function Documentation

ilCourseObjective::__getCreated

(

)

Definition at line 333 of file class.ilCourseObjective.php.

        {
                return $this->created;
        }

ilCourseObjective::__getLastPosition

(

)

Definition at line 394 of file class.ilCourseObjective.php.

References $res, and DB_FETCHMODE_OBJECT.

Referenced by moveDown().

        {
                global $ilDB;
                
                $query = "SELECT MAX(position) AS pos FROM crs_objectives ".
                        "WHERE crs_id = ".$ilDB->quote($this->course_obj->getId())." ";

                $res = $this->db->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        return $row->pos;
                }
                return 0;
        }

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ilCourseObjective::__getOrderColumn

(

)

Definition at line 364 of file class.ilCourseObjective.php.

References ilContainer\SORT_ACTIVATION, ilContainer\SORT_MANUAL, and ilContainer\SORT_TITLE.

        {
                switch($this->course_obj->getOrderType())
                {
                        case ilContainer::SORT_MANUAL:
                                return 'ORDER BY position';

                        case ilContainer::SORT_TITLE:
                                return 'ORDER BY title';

                        case ilContainer::SORT_ACTIVATION:
                                return 'ORDER BY create';
                }
                return false;
        }

ilCourseObjective::__getPosition

(

)

Definition at line 325 of file class.ilCourseObjective.php.

Referenced by __updateTop(), moveDown(), and moveUp().

        {
                return $this->position;
        }

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ilCourseObjective::__read

(

)

Definition at line 339 of file class.ilCourseObjective.php.

References $res, __setCreated(), __setPosition(), DB_FETCHMODE_OBJECT, getObjectiveId(), setDescription(), setObjectiveId(), and setTitle().

Referenced by ilCourseObjective(), moveDown(), and moveUp().

        {
                global $ilDB;
                
                if($this->getObjectiveId())
                {
                        $query = "SELECT * FROM crs_objectives ".
                                "WHERE crs_id = ".$ilDB->quote($this->course_obj->getId())." ".
                                "AND objective_id = ".$ilDB->quote($this->getObjectiveId())." ";
                                

                        $res = $this->db->query($query);
                        while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                        {
                                $this->setObjectiveId($row->objective_id);
                                $this->setTitle($row->title);
                                $this->setDescription($row->description);
                                $this->__setPosition($row->position);
                                $this->__setCreated($row->created);
                        }
                        return true;
                }
                return false;
        }

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ilCourseObjective::__setCreated

(

$a_created

)

Definition at line 329 of file class.ilCourseObjective.php.

Referenced by __read().

        {
                $this->created = $a_created;
        }

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ilCourseObjective::__setPosition

(

$a_position

)

Definition at line 321 of file class.ilCourseObjective.php.

Referenced by __read().

        {
                $this->position = $a_position;
        }

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ilCourseObjective::__updateTop

(

)

Definition at line 380 of file class.ilCourseObjective.php.

References __getPosition().

        {
                global $ilDB;
                
                $query = "UPDATE crs_objectives ".
                        "SET position = position - 1 ".
                        "WHERE position > ".$ilDB->quote($this->__getPosition())." ".
                        "AND crs_id = ".$ilDB->quote($this->course_obj->getId())." ";

                $this->db->query($query);

                return true;
        }

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ilCourseObjective::_deleteAll

(

$course_id

)

Definition at line 427 of file class.ilCourseObjective.php.

References $in, _getObjectiveIds(), and ilUtil\quoteArray().

Referenced by ilObjCourse\delete().

        {
                global $ilDB;

                $ids = ilCourseObjective::_getObjectiveIds($course_id);
                
                if(!count($ids))
                {
                        return true;
                }
                $in = "IN (";
                $in .= implode(",",ilUtil::quoteArray($ids));
                $in .= ")";

                $query = "DELETE FROM crs_objective_lm WHERE objective_id ".$in;
                $ilDB->query($query);

                $query = "DELETE FROM crs_objective_tst WHERE objective_id ".$in;
                $ilDB->query($query);
                
                $query = "DELETE FROM crs_objective_qst WHERE objective_id ".$in;
                $ilDB->query($query);
                
                $query = "DELETE FROM crs_objectives WHERE crs_id = ".$ilDB->quote($course_id);
                $ilDB->query($query);

                return true;
        }

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static ilCourseObjective::_getCountObjectives (   $a_obj_id )

static

get count objectives

public

Parameters

int

obj_id

Returns

Definition at line 85 of file class.ilCourseObjective.php.

References $res.

Referenced by ilObjCourseGUI\getTabs().

        {
                global $ilDB;
                
                $query = "SELECT * FROM crs_objectives ".
                        "WHERE crs_id = ".$ilDB->quote($a_obj_id)." ";
                $res = $ilDB->query($query);
                return $res->numRows() ? true : false;
        }

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ilCourseObjective::_getObjectiveIds

(

$course_id

)

Definition at line 410 of file class.ilCourseObjective.php.

References $res, and DB_FETCHMODE_OBJECT.

Referenced by ilCourseObjectivePresentationGUI\__showInfo(), ilCourseObjectivePresentationGUI\__showObjectives(), _deleteAll(), ilCourseObjectiveResult\_getAccomplished(), ilLPCollections\_getItems(), ilLPStatusObjectives\_getStatusInfo(), ilCourseObjectiveResult\_getSuggested(), ilCourseObjectiveResult\getStatus(), ilContainerObjectiveGUI\initDetails(), ilCourseObjectivesGUI\listObjectives(), ilCourseObjectivesGUI\questionOverview(), ilCourseObjectiveResult\readStatus(), ilCourseObjectiveResult\reset(), and ilContainerObjectiveGUI\showObjectives().

        {
                global $ilDB;

                $query = "SELECT objective_id FROM crs_objectives ".
                        "WHERE crs_id = ".$ilDB->quote($course_id)." ".
                        "ORDER BY position";

                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $ids[] = $row->objective_id;
                }

                return $ids ? $ids : array();
        }

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static ilCourseObjective::_lookupContainerIdByObjectiveId (   $a_objective_id )

static

Get container of object.

public

Parameters

int	objective id

Definition at line 63 of file class.ilCourseObjective.php.

References $res, and DB_FETCHMODE_OBJECT.

Referenced by ilCourseObjectiveMaterials\__read(), and ilCourseObjectiveQuestion\__read().

        {
                global $ilDB;
                
                $query = "SELECT crs_id FROM crs_objectives ".
                        "WHERE objective_id = ".$ilDB->quote($a_objective_id);
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        return $row->crs_id;
                }
                return false;
        }

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ilCourseObjective::add

(

)

Definition at line 172 of file class.ilCourseObjective.php.

        {
                global $ilDB;
                
                $query = "INSERT INTO crs_objectives ".
                        "SET crs_id = ".$ilDB->quote($this->course_obj->getId()).", ".
                        "title = ".$ilDB->quote($this->getTitle()).", ".
                        "description = ".$ilDB->quote($this->getDescription()).", ".
                        "position = ".$ilDB->quote($this->__getLastPosition() + 1).", ".
                        "created = ".$ilDB->quote(time());

                $this->db->query($query);
                
                return $this->objective_id = $this->db->getLastInsertId();
        }

ilCourseObjective::delete

(

)

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

References getObjectiveId().

        {
                global $ilDB;
                
                include_once './Modules/Course/classes/class.ilCourseObjectiveQuestion.php';

                $tmp_obj_qst =& new ilCourseObjectiveQuestion($this->getObjectiveId());
                $tmp_obj_qst->deleteAll();

                include_once './Modules/Course/classes/class.ilCourseObjectiveMaterials.php';

                $tmp_obj_lm =& new ilCourseObjectiveMaterials($this->getObjectiveId());
                $tmp_obj_lm->deleteAll();


                $query = "DELETE FROM crs_objectives ".
                        "WHERE crs_id = ".$ilDB->quote($this->course_obj->getId())." ".
                        "AND objective_id = ".$ilDB->quote($this->getObjectiveId())." ";

                $this->db->query($query);

                return true;
        }

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ilCourseObjective::getDescription

(

)

Definition at line 159 of file class.ilCourseObjective.php.

Referenced by update().

        {
                return $this->description;
        }

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ilCourseObjective::getObjectiveId

(

)

Definition at line 167 of file class.ilCourseObjective.php.

References $objective_id.

Referenced by __read(), delete(), moveDown(), moveUp(), update(), and writePosition().

        {
                return $this->objective_id;
        }

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ilCourseObjective::getTitle

(

)

Definition at line 151 of file class.ilCourseObjective.php.

References $title.

Referenced by update(), and validate().

        {
                return $this->title;
        }

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ilCourseObjective::ilClone	(		$a_target_id,
			$a_copy_id
	)

clone objectives

public

Parameters

int	target id
int	copy id

Definition at line 103 of file class.ilCourseObjective.php.

References $ilLog, $objective_id, $res, DB_FETCHMODE_OBJECT, ilObjectFactory\getInstanceByRefId(), and ilCourseObjective().

        {
                global $ilLog;
                
                $ilLog->write(__METHOD__.': Start cloning learning objectives...');
                
                $query = "SELECT * FROM crs_objectives ".
                        "WHERE crs_id  = ".$this->db->quote($this->course_obj->getId()).
                        "ORDER BY position ";
                $res = $this->db->query($query);
                if(!$res->numRows())
                {
                        $ilLog->write(__METHOD__.': ... no objectives found.');
                        return true;
                }
                
                if(!is_object($new_course = ilObjectFactory::getInstanceByRefId($a_target_id,false)))
                {
                        $ilLog->write(__METHOD__.': Cannot init new course object.');
                        return true;
                }
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $new_objective = new ilCourseObjective($new_course);
                        $new_objective->setTitle($row->title);
                        $new_objective->setDescription($row->description);
                        $objective_id = $new_objective->add();
                        $ilLog->write(__METHOD__.': Added new objective nr: '.$objective_id);
                        
                        // Clone crs_objective_tst entries
                        include_once('Modules/Course/classes/class.ilCourseObjectiveQuestion.php');
                        $objective_qst = new ilCourseObjectiveQuestion($row->objective_id);
                        $objective_qst->cloneDependencies($objective_id,$a_copy_id);

                        $ilLog->write(__METHOD__.': Finished objective question dependencies: '.$objective_id);
                        
                        // Clone crs_objective_lm entries (assigned course materials)
                        include_once('Modules/Course/classes/class.ilCourseObjectiveMaterials.php');
                        $objective_material = new ilCourseObjectiveMaterials($row->objective_id);
                        $objective_material->cloneDependencies($objective_id,$a_copy_id);
                }
                $ilLog->write(__METHOD__.': Finished cloning objectives.');
        }

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ilCourseObjective::ilCourseObjective	(	&	$course_obj,
			$a_objective_id = 0
	)

Definition at line 41 of file class.ilCourseObjective.php.

References $course_obj, and __read().

Referenced by ilClone().

        {
                global $ilDB;

                $this->db =& $ilDB;
                $this->course_obj =& $course_obj;

                $this->objective_id = $a_objective_id;
                if($this->objective_id)
                {
                        $this->__read();
                }
        }

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ilCourseObjective::moveDown

(

)

Definition at line 287 of file class.ilCourseObjective.php.

References __getLastPosition(), __getPosition(), __read(), and getObjectiveId().

        {
                global $ilDB;
                
                if(!$this->getObjectiveId())
                {
                        return false;
                }
                // Stop if position is last
                if($this->__getPosition() == $this->__getLastPosition())
                {
                        return false;
                }
                
                $query = "UPDATE crs_objectives ".
                        "SET position = position - 1 ".
                        "WHERE position = ".$ilDB->quote($this->__getPosition() + 1)." ".
                        "AND crs_id = ".$ilDB->quote($this->course_obj->getId())." ";

                $this->db->query($query);
                
                $query = "UPDATE crs_objectives ".
                        "SET position = position + 1 ".
                        "WHERE objective_id = ".$ilDB->quote($this->getObjectiveId())." ".
                        "AND crs_id = ".$ilDB->quote($this->course_obj->getId())." ";

                $this->db->query($query);

                $this->__read();

                return true;
        }

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ilCourseObjective::moveUp

(

)

Definition at line 254 of file class.ilCourseObjective.php.

References __getPosition(), __read(), and getObjectiveId().

        {
                global $ilDB;
                
                if(!$this->getObjectiveId())
                {
                        return false;
                }
                // Stop if position is first
                if($this->__getPosition() == 1)
                {
                        return false;
                }

                $query = "UPDATE crs_objectives ".
                        "SET position = position + 1 ".
                        "WHERE position = ".$ilDB->quote($this->__getPosition() - 1)." ".
                        "AND crs_id = ".$ilDB->quote($this->course_obj->getId())." ";
                
                $this->db->query($query);
                
                $query = "UPDATE crs_objectives ".
                        "SET position = position - 1 ".
                        "WHERE objective_id = ".$ilDB->quote($this->getObjectiveId())." ".
                        "AND crs_id = ".$ilDB->quote($this->course_obj->getId())." ";

                $this->db->query($query);

                $this->__read();

                return true;
        }

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ilCourseObjective::setDescription

(

$a_description

)

Definition at line 155 of file class.ilCourseObjective.php.

Referenced by __read().

        {
                $this->description = $a_description;
        }

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ilCourseObjective::setObjectiveId

(

$a_objective_id

)

Definition at line 163 of file class.ilCourseObjective.php.

Referenced by __read().

        {
                $this->objective_id = $a_objective_id;
        }

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ilCourseObjective::setTitle

(

$a_title

)

Definition at line 147 of file class.ilCourseObjective.php.

Referenced by __read().

        {
                $this->title = $a_title;
        }

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ilCourseObjective::update

(

)

Definition at line 188 of file class.ilCourseObjective.php.

References getDescription(), getObjectiveId(), and getTitle().

        {
                global $ilDB;
                
                $query = "UPDATE crs_objectives ".
                        "SET title = ".$ilDB->quote($this->getTitle()).", ".
                        "description = ".$ilDB->quote($this->getDescription())." ".
                        "WHERE objective_id = ".$ilDB->quote($this->getObjectiveId())." ".
                        "AND crs_id = ".$ilDB->quote($this->course_obj->getId())."";
                
                $this->db->query($query);
                
                return true;
        }

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ilCourseObjective::validate

(

)

validate

public

Parameters

@return

Definition at line 225 of file class.ilCourseObjective.php.

References getTitle().

        {
                return (bool) strlen($this->getTitle());
        }

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ilCourseObjective::writePosition

(

$a_position

)

write position

public

Parameters

int	new position

Returns

Definition at line 210 of file class.ilCourseObjective.php.

References getObjectiveId().

        {
                $query = "UPDATE crs_objectives ".
                        "SET position = ".$this->db->quote((string) $a_position)." ".
                        "WHERE objective_id = ".$this->db->quote($this->getObjectiveId())." ";
                $this->db->query($query);
        }

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Field Documentation

ilCourseObjective::$course_obj = null

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

Referenced by ilCourseObjective().

ilCourseObjective::$db = null

Definition at line 36 of file class.ilCourseObjective.php.

ilCourseObjective::$objective_id = null

Definition at line 39 of file class.ilCourseObjective.php.

Referenced by getObjectiveId(), and ilClone().

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

• Modules/Course/classes/class.ilCourseObjective.php