Item Class Reference

Class to represent a content-item object. More...

Inheritance diagram for Item:

Public Member Functions
	__construct ($type, $placementAdvices=null, $id=null)
	Class constructor.
	setUrl ($url)
	Set a URL value for the content-item.
	setMediaType ($mediaType)
	Set a media type value for the content-item.
	setTitle ($title)
	Set a title value for the content-item.
	setText ($text)
	Set a link text value for the content-item.
	setHtml ($html)
	Set an HTML embed value for the content-item.
	addPlacementAdvice ($placementAdvice)
	Add a placement for the content-item.
	setIcon ($icon)
	Set an icon image for the content-item.
	setThumbnail ($thumbnail)
	Set a thumbnail image for the content-item.
	setHideOnCreate ($hideOnCreate)
	Set whether the content-item should be hidden from learners by default.

Static Public Member Functions
static string	toJson ($items, $ltiVersion=Util::LTI_VERSION1)
	Wrap the content items to form a complete application/vnd.ims.lti.v1.contentitems+json media type instance.
static array	fromJson ($items)
	Generate an array of Item objects from their JSON representation.
static Item LtiLinkItem FileItem	fromJsonItem ($item)
	Generate an Item object from its JSON or JSON-LD representation.

Public Attributes
const	TYPE_LINK = 'link'
	Type for link content-item.
const	TYPE_LTI_LINK = 'ltiResourceLink'
	Type for LTI link content-item.
const	TYPE_LTI_ASSIGNMENT = 'ltiAssignment'
	Type for LTI assignment content-item.
const	TYPE_FILE = 'file'
	Type for file content-item.
const	TYPE_HTML = 'html'
	Type for HTML content-item.
const	TYPE_IMAGE = 'image'
	Type for image content-item.
const	LTI_LINK_MEDIA_TYPE = 'application/vnd.ims.lti.v1.ltilink'
	Media type for LTI launch links.
const	LTI_ASSIGNMENT_MEDIA_TYPE = 'application/vnd.ims.lti.v1.ltiassignment'
	Media type for LTI assignment links.

Protected Member Functions
object	toJsonldObject ()
	Wrap the content item to form an item complying with the application/vnd.ims.lti.v1.contentitems+json media type.
object	toJsonObject ()
	Wrap the content items to form a complete value for the https://purl.imsglobal.org/spec/lti-dl/claim/content_items claim.
	fromJsonObject ($item)
	Extract content-item details from its JSON representation.

Detailed Description

Class to represent a content-item object.

Author

Stephen P Vickers steph.nosp@m.en@s.nosp@m.pvsof.nosp@m.twar.nosp@m.eprod.nosp@m.ucts.nosp@m..com

Copyright

SPV Software Products

Licence: http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License, version 3

Constructor & Destructor Documentation

__construct()

__construct	(		$type,
			$placementAdvices = null,
			$id = null
	)

Class constructor.

Parameters

string	$type	Class type of content-item
Placement[] | Placement	$placementAdvices	Array of Placement objects (or single placement object) for item (optional)
string	$id	URL of content-item (optional)

Reimplemented in ContentItem.

Referenced by LtiAssignmentItem\__construct().

Member Function Documentation

addPlacementAdvice()

addPlacementAdvice

(

$placementAdvice

)

Add a placement for the content-item.

Parameters

Placement

$placementAdvice

Placement advice object

fromJson()

static array fromJson (   $items )

static

Generate an array of Item objects from their JSON representation.

Parameters

object

$items

A JSON object representing Content-Items

Returns

array Array of Item objects

fromJsonItem()

static Item LtiLinkItem FileItem fromJsonItem (   $item )

static

Generate an Item object from its JSON or JSON-LD representation.

Parameters

object

$item

A JSON or JSON-LD object representing a content-item

Returns

Item|LtiLinkItem|FileItem The content-item object

fromJsonObject()

fromJsonObject (   $item )

protected

Extract content-item details from its JSON representation.

Parameters

object

$item

A JSON object representing a content-item

Reimplemented in FileItem, and LtiLinkItem.

setHideOnCreate()

setHideOnCreate

(

$hideOnCreate

)

Set whether the content-item should be hidden from learners by default.

Parameters

bool | null

$hideOnCreate

True if the item should be hidden from learners

setHtml()

setHtml

(

$html

)

Set an HTML embed value for the content-item.

Parameters

string

$html

HTML text value

setIcon()

setIcon

(

$icon

)

Set an icon image for the content-item.

Parameters

Image

$icon

Icon image object

setMediaType()

setMediaType

(

$mediaType

)

Set a media type value for the content-item.

Parameters

string

$mediaType

Media type value

Referenced by LtiAssignmentItem\__construct().

setText()

setText

(

$text

)

Set a link text value for the content-item.

Parameters

string

$text

Link text value

setThumbnail()

setThumbnail

(

$thumbnail

)

Set a thumbnail image for the content-item.

Parameters

Image

$thumbnail

Thumbnail image object

setTitle()

setTitle

(

$title

)

Set a title value for the content-item.

Parameters

string

$title

Title value

setUrl()

setUrl

(

$url

)

Set a URL value for the content-item.

Parameters

string

$url

URL value

toJson()

static string toJson (   $items,   $ltiVersion = Util::LTI_VERSION1  )

static

Wrap the content items to form a complete application/vnd.ims.lti.v1.contentitems+json media type instance.

Parameters

mixed	$items	An array of content items or a single item
string	$ltiVersion	LTI version in use

Returns

string

toJsonldObject()

object toJsonldObject ( )

protected

Wrap the content item to form an item complying with the application/vnd.ims.lti.v1.contentitems+json media type.

Returns

object

Reimplemented in FileItem, and LtiLinkItem.

toJsonObject()

object toJsonObject ( )

protected

Wrap the content items to form a complete value for the https://purl.imsglobal.org/spec/lti-dl/claim/content_items claim.

Returns

object

Reimplemented in FileItem, and LtiLinkItem.

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

• Content/Item.php