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/**
* A collection of utility classes for use with course modules.
*
* @module moodle-course-util
* @submodule moodle-course-util-cm
*/
Y.namespace('Moodle.core_course.util.cm');
/**
* A collection of utility classes for use with course modules.
*
* @class Moodle.core_course.util.cm
* @static
*/
Y.Moodle.core_course.util.cm = {
CONSTANTS: {
MODULEIDPREFIX: 'module-'
},
SELECTORS: {
COURSEMODULE: '.activity',
INSTANCENAME: '.instancename'
},
/**
* Retrieve the course module item from one of it's child Nodes.
*
* @method getCourseModuleNodeFromComponent
* @param coursemodulecomponent {Node} The component Node.
* @return {Node|null} The Course Module Node.
*/
getCourseModuleFromComponent: function(coursemodulecomponent) {
return Y.one(coursemodulecomponent).ancestor(this.SELECTORS.COURSEMODULE, true);
},
/**
* Determines the section ID for the provided section.
*
* @method getId
* @param coursemodule {Node} The course module to find an ID for.
* @return {Number|false} The ID of the course module in question or false if no ID was found.
*/
getId: function(coursemodule) {
// We perform a simple substitution operation to get the ID.
var id = coursemodule.get('id').replace(
this.CONSTANTS.MODULEIDPREFIX, '');
// Attempt to validate the ID.
id = parseInt(id, 10);
if (typeof id === 'number' && isFinite(id)) {
return id;
}
return false;
},
/**
* Determines the section ID for the provided section.
*
* @method getName
* @param coursemodule {Node} The course module to find an ID for.
* @return {Number|false} The ID of the course module in question or false if no ID was found.
*/
getName: function(coursemodule) {
var instance = coursemodule.one(this.SELECTORS.INSTANCENAME);
if (instance) {
return instance.get('firstChild').get('data');
}
return null;
}
};