Core model attributes

The following extend the Backbone model:

• configModel (configModel.js)
• lockingModel (lockingModel.js)
• notifyModel (notifyModel.js)
• routerModel (routerModel.js)
• adaptModel (adaptModel.js)

All core models extend adaptModel (adaptModel.js), and so contain its attributes:

• courseModel (courseModel.js)
• contentObjectsModel (contentObjectsModel.js)
• articleModel (articleModel.js)
• blockModel (blockModel.js)
• componentModel (componentModel.js)

In addition, questionModel (questionModel.js) extends componentModel (componentModel.js).

An asterisk denotes that an attribute is required.

Adapt Model Attributes

Attribute	Description	Default value
_canShowFeedback		true
_classes		""
_canReset		false
_isComplete	Whether the item has been completed.	false
_isInteractionComplete		false
_requireCompletionOf		-1
_isEnabled	Controls the availability of the item. If _isEnabled is false, the item is disabled.	true
_isResetOnRevisit		false
_isAvailable		true
_isHidden	Controls the display of the item. If _isHidden is false, the item will not be displayed	false
_isOptional	If set to true, the user will not be required to complete the component in order to complete the course. The completion of the component will still be tracked, but it will be ignored during any completion calculations.	false
_isVisible		true
_isLocked	Menus and other plug-ins can set its value using “_lockType”. Reference Locking objects with '_isLocked' and '_lockType'	false
_questionWeight	The weight of a particular question, which is used when calculating the score.	1
_buttons	An object to store the label values for template buttons. Buttons can then be referenced in templates using {{{_buttons.submit}}}	See fig.1.

Figure 1

"_buttons": { 
   "submit":"Submit", 
   "reset":"Reset", 
   "showCorrectAnswer":"ModelAnswer", 
   "hideCorrectAnswer":"My Answer" 
}

Course Model Attributes

Attribute	Description	Default value
_id*	A unique identifier. In the authoring tool, this is randomly generated.
_type*	The type of the particular item. Examples include block and component.
title*	Used in document title.
_children		"contentObjects"
_start
_isReady	This is used to determine if the current item is ready (i.e. has been initialised). This needs to be set manually for custom components. For instance, this may be set to true post-render.	false

ContentObjects Model Attributes

Attribute	Description	Default value
_parent		"course"
_siblings		"contentObjects"
_children		"contentObjects"
_ariaLevel	If you need to override the default contentObject ARIA level (as set in config.json), set this to any number greater than 0	0

Article Model Attributes

Attribute	Description	Default value
_parent		"contentObjects"
_siblings		"articles"
_children		"blocks"
_ariaLevel	If you need to override the default article ARIA level (as set in config.json), set this to any number greater than 0	0

Block Model Attributes

Attribute	Description	Default value
_parent		"articles"
_siblings		"blocks"
_children		"components"
_sortComponents		true
_ariaLevel	If you need to override the default block ARIA level (as set in config.json), set this to any number greater than 0	0

Component Model Attributes

Attribute	Description	Default value
_parent		"blocks"
_siblings		"components"
_ariaLevel	If you need to override the default component ARIA level (as set in config.json), set this to any number greater than 0	0
_disableAccessibilityState	Disables the hidden label that describes the state of the component to screenreader users. Useful if the component is of no interest to a screenreader user - such as an optional decorative graphic component.	false

Question Model Attributes

Attribute	Description	Default value
_isQuestionType		true
_shouldDisplayAttempts		false
_canShowModelAnswer		true
_canShowFeedback		true
_canShowMarking		true
_questionWeight