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