ilContainerReferenceAppEventListener Class Reference

Handles delete events from courses and categories. More...

Inheritance diagram for ilContainerReferenceAppEventListener:

Collaboration diagram for ilContainerReferenceAppEventListener:

Static Public Member Functions
static	handleEvent ($a_component, $a_event, $a_parameter)
	Handle events like create, update, delete. More...
static	deleteReferences ($a_target_id)
	Delete references. More...
static	handleEvent ($a_component, $a_event, $a_parameter)
	Handle an event in a listener. More...

Detailed Description

Handles delete events from courses and categories.

Author

Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version

$Id$

Definition at line 35 of file class.ilContainerReferenceAppEventListener.php.

Member Function Documentation

deleteReferences()

static ilContainerReferenceAppEventListener::deleteReferences (   $a_target_id )

static

Delete references.

Definition at line 71 of file class.ilContainerReferenceAppEventListener.php.

         {
                global $ilLog;
                
                include_once('./Services/ContainerReference/classes/class.ilContainerReference.php');
                if(!$source_id = ilContainerReference::_lookupSourceId($a_target_id))
                {
                        return true;
                }
                foreach(ilObject::_getAllReferences($source_id) as $ref_id)
                {
                        if(!$instance = ilObjectFactory::getInstanceByRefId($ref_id,false))
                        {
                                continue;
                        }
                        switch($instance->getType())
                        {
                                case 'crsr':
                                case 'catr':
                                        $instance->delete();
                                        $ilLog->write(__METHOD__.': Deleted reference object of type '.$instance->getType().' with Id '.$instance->getId());
                                        break;
                                        
                                default:
                                        $ilLog->write(__METHOD__.': Unexpected object type '.$instance->getType().' with Id '.$instance->getId());
                                        break;
                        }
                        
                }
                return true;
         }

References $ilLog, $ref_id, ilObject\_getAllReferences(), ilContainerReference\_lookupSourceId(), and ilObjectFactory\getInstanceByRefId().

Referenced by handleEvent().

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handleEvent()

static ilContainerReferenceAppEventListener::handleEvent (   $a_component,   $a_event,   $a_parameter  )

static

Handle events like create, update, delete.

@access public

Parameters

string	$a_component	component, e.g. "Modules/Forum" or "Services/User"
string	$a_event	event e.g. "createUser", "updateUser", "deleteUser", ...
array	$a_parameter	parameter array (assoc), array("name" => ..., "phone_office" => ...) *

Implements ilAppEventListener.

Definition at line 46 of file class.ilContainerReferenceAppEventListener.php.

        {
                global $ilLog;
                
                switch($a_component)
                {
                        case 'Modules/Course':
                        case 'Modules/Category':
                        
                                switch($a_event)
                                {
                                        case 'delete':
                                                $ilLog->write(__METHOD__.': Handling delete event.');
                                                self::deleteReferences($a_parameter['obj_id']);
                                                break;
                                }
                                break;
                }
        }

References $ilLog, and deleteReferences().

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

• Services/ContainerReference/classes/class.ilContainerReferenceAppEventListener.php