ilObjFileBasedLM Class Reference

File Based Learning Module (HTML) object. More...

Inheritance diagram for ilObjFileBasedLM:

Collaboration diagram for ilObjFileBasedLM:

Public Member Functions
	ilObjFileBasedLM ($a_id=0, $a_call_by_reference=true)
	Constructor public.
	update ()
	get title of content object
	read ()
	read object
	initBibItemObject ()
	init bib object (contains all bib item data)
	create ()
	create file based lm
	getDataDirectory ($mode="filesystem")
	createDataDirectory ()
	getStartFile ()
	setStartFile ($a_file)
	setOnline ($a_online)
	getOnline ()
	_lookupOnline ($a_id)
	check wether content object is online
	getDiskUsage ()
	Gets the disk usage of the object in bytes.
	delete ()
	delete object and all related data
	initDefaultRoles ()
	init default roles settings
	notify ($a_event, $a_ref_id, $a_parent_non_rbac_id, $a_node_id, $a_params=0)
	notifys an object about an event occured Based on the event happend, each object may decide how it reacts.
Public Member Functions inherited from ilObject
	ilObject ($a_id=0, $a_reference=true)
	Constructor public.
	withReferences ()
	determines wehter objects are referenced or not (got ref ids or not)
	read ($a_force_db=false)
	read object data from db into object
	getId ()
	get object id public
	setId ($a_id)
	set object id public
	setRefId ($a_id)
	set reference id public
	getRefId ()
	get reference id public
	getType ()
	get object type public
	setType ($a_type)
	set object type public
	getPresentationTitle ()
	get presentation title Normally same as title Overwritten for sessions
	getTitle ()
	get object title public
	getUntranslatedTitle ()
	get untranslated object title public
	setTitle ($a_title)
	set object title
	getDescription ()
	get object description
	setDescription ($a_desc)
	set object description
	getLongDescription ()
	get object long description (stored in object_description)
	getImportId ()
	get import id
	setImportId ($a_import_id)
	set import id
	_lookupObjIdByImportId ($a_import_id)
	getOwner ()
	get object owner
	getOwnerName ()
	_lookupOwnerName ($a_owner_id)
	lookup owner name for owner id
	setOwner ($a_owner)
	set object owner
	getCreateDate ()
	get create date public
	getLastUpdateDate ()
	get last update date public
	setObjDataRecord ($a_record)
	set object_data record (note: this method should only be called from the ilObjectFactory class)
	MDUpdateListener ($a_element)
	Meta data update listener.
	createMetaData ()
	create meta data entry
	updateMetaData ()
	update meta data entry
	deleteMetaData ()
	delete meta data entry
	updateOwner ()
	update owner of object in db
	_getIdForImportId ($a_import_id)
	get current object id for import id (static)
	_getAllReferences ($a_id)
	get all reference ids of object
	_lookupOwner ($a_id)
	lookup object owner
	_lookupDescription ($a_id)
	lookup object description
	_lookupLastUpdate ($a_id, $a_as_string=false)
	lookup last update
	_getLastUpdateOfObjects ($a_objs)
	Get last update for a set of media objects.
	_setDeletedDate ($a_ref_id)
	only called in ilTree::saveSubTree
	_resetDeletedDate ($a_ref_id)
	only called in ilObjectGUI::insertSavedNodes
	_lookupDeletedDate ($a_ref_id)
	only called in ilObjectGUI::insertSavedNodes
	_writeTitle ($a_obj_id, $a_title)
	write title to db (static)
	_writeDescription ($a_obj_id, $a_desc)
	write description to db (static)
	_writeImportId ($a_obj_id, $a_import_id)
	write import id to db (static)
	_isInTrash ($a_ref_id)
	checks wether object is in trash
	_hasUntrashedReference ($a_obj_id)
	checks wether an object has at least one reference that is not in trash
	_lookupObjectId ($a_ref_id)
	lookup object id
	_getObjectsDataForType ($a_type, $a_omit_trash=false)
	get all objects of a certain type
	putInTree ($a_parent_ref)
	maybe this method should be in tree object!?
	setPermissions ($a_parent_ref)
	set permissions of object
	createReference ()
	creates reference for object
	countReferences ()
	count references of object
	createRoleFolder ()
	creates a local role folder
	setRegisterMode ($a_bool)
	isUserRegistered ($a_user_id=0)
	requireRegistration ()
	getXMLZip ()
	getHTMLDirectory ()
	cloneObject ($a_target_id, $a_copy_id=0)
	Clone object permissions, put in tree ...
	appendCopyInfo ($a_target_id, $a_copy_id)
	Prepend Copy info if object with same name exists in that container.
	cloneDependencies ($a_target_id, $a_copy_id)
	Clone object dependencies.
	cloneMetaData ($target_obj)
	Copy meta data.

Data Fields
	$tree
Data Fields inherited from ilObject
	$ilias
	$lng
	$id
	$ref_id
	$type
	$title
	$untranslatedTitle
	$desc
	$long_desc
	$owner
	$create_date
	$last_update
	$import_id
	$register = false
	$referenced
	$objectList
	$max_title
	$max_desc
	$add_dots
	$obj_data_record
	object_data record

Additional Inherited Members
Static Public Member Functions inherited from ilObject
static	_lookupTitle ($a_id)
	lookup object title
static	_getIdsForTitle ($title, $type= '', $partialmatch=false)
static	_lookupObjId ($a_id)
static	_lookupType ($a_id, $a_reference=false)
	lookup object type
	_exists ($a_id, $a_reference=false)
	checks if an object exists in object_data
static	_getObjectsByType ($a_obj_type="", $a_owner="")
	Get objects by type.
static	_prepareCloneSelection ($a_ref_ids, $new_type)
	Prepare copy wizard object selection.
static	_getIcon ($a_obj_id="", $a_size="big", $a_type="", $a_offline=false)
	Get icon for repository item.

Detailed Description

File Based Learning Module (HTML) object.

Author

Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e

Id:

class.ilObjFileBasedLM.php 20437 2009-07-06 15:55:36Z wrandels

Definition at line 40 of file class.ilObjFileBasedLM.php.

Member Function Documentation

ilObjFileBasedLM::_lookupOnline

(

$a_id

)

check wether content object is online

Definition at line 260 of file class.ilObjFileBasedLM.php.

References $ilDB, $q, and ilUtil\yn2tf().

        {
                global $ilDB;
                
                $q = "SELECT * FROM file_based_lm WHERE id = ".$ilDB->quote($a_id, "integer");
                $lm_set = $ilDB->query($q);
                $lm_rec = $ilDB->fetchAssoc($lm_set);

                return ilUtil::yn2tf($lm_rec["is_online"]);
        }

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ilObjFileBasedLM::create

(

)

create file based lm

Reimplemented from ilObject.

Definition at line 209 of file class.ilObjFileBasedLM.php.

References $ilDB, createDataDirectory(), and ilObject\createMetaData().

        {
                global $ilDB;

                parent::create();
                $this->createDataDirectory();

                $ilDB->manipulate("INSERT INTO file_based_lm (id, is_online, startfile) VALUES ".
                        " (".$ilDB->quote($this->getID(), "integer").",".
                        $ilDB->quote("n", "text").",".
                        $ilDB->quote("", "text").")");

                $this->createMetaData();
        }

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ilObjFileBasedLM::createDataDirectory

(

)

Definition at line 232 of file class.ilObjFileBasedLM.php.

References getDataDirectory(), and ilUtil\makeDir().

Referenced by create().

        {
                ilUtil::makeDir($this->getDataDirectory());
        }

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ilObjFileBasedLM::delete

(

)

delete object and all related data

this method has been tested on may 9th 2004 data directory, meta data, file based lm data and bib items have been deleted correctly as desired

public

Returns

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

Reimplemented from ilObject.

Definition at line 295 of file class.ilObjFileBasedLM.php.

References $ilDB, ilUtil\delDir(), ilObject\deleteMetaData(), getDataDirectory(), and ilObject\getId().

        {
                global $ilDB;

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

                // delete meta data of content object
/*
                $nested = new ilNestedSetXML();
                $nested->init($this->getId(), $this->getType());
                $nested->deleteAllDBData();
*/

                // Delete meta data
                $this->deleteMetaData();

                // delete bibliographical items of object
                include_once("classes/class.ilNestedSetXML.php");
                $nested = new ilNestedSetXML();
                $nested->init($this->getId(), "bib");
                $nested->deleteAllDBData();

                // delete file_based_lm record
                $ilDB->manipulate("DELETE FROM file_based_lm WHERE id = ".
                        $ilDB->quote($this->getID(), "integer"));

                // delete data directory
                ilUtil::delDir($this->getDataDirectory());

                return true;
        }

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ilObjFileBasedLM::getDataDirectory

(

$mode = "filesystem"

)

Definition at line 224 of file class.ilObjFileBasedLM.php.

References ilObject\getId(), and ilUtil\getWebspaceDir().

Referenced by createDataDirectory(), and delete().

        {
                $lm_data_dir = ilUtil::getWebspaceDir($mode)."/lm_data";
                $lm_dir = $lm_data_dir."/lm_".$this->getId();

                return $lm_dir;
        }

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ilObjFileBasedLM::getDiskUsage

(

)

Gets the disk usage of the object in bytes.

public

Returns

integer the disk usage in bytes

Reimplemented from ilObject.

Definition at line 277 of file class.ilObjFileBasedLM.php.

References ilObjFileBasedLMAccess\_lookupDiskUsage().

        {
            require_once("./Modules/HTMLLearningModule/classes/class.ilObjFileBasedLMAccess.php");
                return ilObjFileBasedLMAccess::_lookupDiskUsage($this->id);
        }

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ilObjFileBasedLM::getOnline

(

)

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

        {
                return $this->online;
        }

ilObjFileBasedLM::getStartFile

(

)

Definition at line 237 of file class.ilObjFileBasedLM.php.

Referenced by update().

        {
                return $this->start_file;
        }

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ilObjFileBasedLM::ilObjFileBasedLM	(		$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 50 of file class.ilObjFileBasedLM.php.

References ilObject\ilObject().

        {
                // this also calls read() method! (if $a_id is set)
                $this->type = "htlm";
                $this->ilObject($a_id,$a_call_by_reference);
        }

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ilObjFileBasedLM::initBibItemObject

(

)

init bib object (contains all bib item data)

Definition at line 195 of file class.ilObjFileBasedLM.php.

        {
                include_once("./Modules/LearningModule/classes/class.ilBibItem.php");

                $this->bib_obj =& new ilBibItem($this);
                $this->bib_obj->read();

                return true;
        }

ilObjFileBasedLM::initDefaultRoles

(

)

init default roles settings

If your module does not require any default roles, delete this method (For an example how this method is used, look at ilObjForum)

public

Returns

array object IDs of created local roles.

Reimplemented from ilObject.

Definition at line 340 of file class.ilObjFileBasedLM.php.

        {
                global $rbacadmin;

                // create a local role folder
                //$rfoldObj = $this->createRoleFolder("Local roles","Role Folder of forum obj_no.".$this->getId());

                // create moderator role and assign role to rolefolder...
                //$roleObj = $rfoldObj->createRole("Moderator","Moderator of forum obj_no.".$this->getId());
                //$roles[] = $roleObj->getId();

                //unset($rfoldObj);
                //unset($roleObj);

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

ilObjFileBasedLM::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 370 of file class.ilObjFileBasedLM.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);
        }

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ilObjFileBasedLM::read

(

)

read object

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

References $ilDB, $q, ilObject\getId(), setOnline(), setStartFile(), and ilUtil\yn2tf().

        {
                global $ilDB;
                
                parent::read();

                $q = "SELECT * FROM file_based_lm WHERE id = ".$ilDB->quote($this->getId(), "integer");
                $lm_set = $ilDB->query($q);
                $lm_rec = $ilDB->fetchAssoc($lm_set);
                $this->setOnline(ilUtil::yn2tf($lm_rec["is_online"]));
                $this->setStartFile((string) $lm_rec["startfile"]);

        }

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ilObjFileBasedLM::setOnline

(

$a_online

)

Definition at line 247 of file class.ilObjFileBasedLM.php.

Referenced by read().

        {
                $this->online = $a_online;
        }

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ilObjFileBasedLM::setStartFile

(

$a_file

)

Definition at line 242 of file class.ilObjFileBasedLM.php.

Referenced by read().

        {
                $this->start_file = $a_file;
        }

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ilObjFileBasedLM::update

(

)

get title of content object

Returns

string title set title of content object

Parameters

string

$a_title

title get description of content object

Returns

string description set description of content object

Parameters

string	$a_description	description assign a meta data object to content object
object	$a_meta_data	meta data object get meta data object of content object

Returns

object meta data object update meta data only update object data

public

Returns

boolean

Reimplemented from ilObject.

Definition at line 160 of file class.ilObjFileBasedLM.php.

References $ilDB, ilObject\getId(), getStartFile(), ilUtil\tf2yn(), and ilObject\updateMetaData().

        {
                global $ilDB;
                
                $this->updateMetaData();
                parent::update();

                $ilDB->manipulate("UPDATE file_based_lm SET ".
                        " is_online = ".$ilDB->quote(ilUtil::tf2yn($this->getOnline()), "text").",".
                        " startfile = ".$ilDB->quote($this->getStartFile(), "text")." ".
                        " WHERE id = ".$ilDB->quote($this->getId(), "integer"));

                return true;
        }

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Field Documentation

ilObjFileBasedLM::$tree

Definition at line 42 of file class.ilObjFileBasedLM.php.

Referenced by notify().

---

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

• Modules/HTMLLearningModule/classes/class.ilObjFileBasedLM.php