h5p-php-library/js/h5p-x-api-event.js

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var H5P = H5P || {};
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/**
* Used for xAPI events.
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*
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* @class
* @extends H5P.Event
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*/
H5P.XAPIEvent = function () {
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H5P.Event.call(this, 'xAPI', {'statement': {}}, {bubbles: true, external: true});
};
H5P.XAPIEvent.prototype = Object.create(H5P.Event.prototype);
H5P.XAPIEvent.prototype.constructor = H5P.XAPIEvent;
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/**
* Set scored result statements.
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*
* @param {number} score
* @param {number} maxScore
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*/
H5P.XAPIEvent.prototype.setScoredResult = function (score, maxScore) {
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this.data.statement.result = {
'score': {
'min': 0,
'max': maxScore,
'raw': score
}
};
};
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/**
* Set a verb.
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*
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* @param {string} verb
* Verb in short form, one of the verbs defined at
* {@link http://adlnet.gov/expapi/verbs/|ADL xAPI Vocabulary}
*
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*/
H5P.XAPIEvent.prototype.setVerb = function (verb) {
if (H5P.jQuery.inArray(verb, H5P.XAPIEvent.allowedXAPIVerbs) !== -1) {
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this.data.statement.verb = {
'id': 'http://adlnet.gov/expapi/verbs/' + verb,
'display': {
'en-US': verb
}
};
}
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else if (verb.id !== undefined) {
this.data.statement.verb = verb;
}
};
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/**
* Get the statements verb id.
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*
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* @param {boolean} full
* if true the full verb id prefixed by http://adlnet.gov/expapi/verbs/
* will be returned
* @returns {string}
* Verb or null if no verb with an id has been defined
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*/
H5P.XAPIEvent.prototype.getVerb = function (full) {
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var statement = this.data.statement;
if ('verb' in statement) {
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if (full === true) {
return statement.verb;
}
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return statement.verb.id.slice(31);
}
else {
return null;
}
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};
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/**
* Set the object part of the statement.
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*
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* The id is found automatically (the url to the content)
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*
* @param {Object} instance
* The H5P instance
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*/
H5P.XAPIEvent.prototype.setObject = function (instance) {
if (instance.contentId) {
this.data.statement.object = {
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'id': this.getContentXAPIId(instance),
'objectType': 'Activity',
'definition': {
'extensions': {
'http://h5p.org/x-api/h5p-local-content-id': instance.contentId
}
}
};
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if (instance.subContentId) {
this.data.statement.object.definition.extensions['http://h5p.org/x-api/h5p-subContentId'] = instance.subContentId;
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// Don't set titles on main content, title should come from publishing platform
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if (typeof instance.getTitle === 'function') {
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this.data.statement.object.definition.name = {
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"en-US": instance.getTitle()
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};
}
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}
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else {
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if (H5PIntegration && H5PIntegration.contents && H5PIntegration.contents['cid-' + instance.contentId].title) {
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this.data.statement.object.definition.name = {
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"en-US": H5P.createTitle(H5PIntegration.contents['cid-' + instance.contentId].title)
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};
}
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}
}
};
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/**
* Set the context part of the statement.
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*
* @param {Object} instance
* The H5P instance
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*/
H5P.XAPIEvent.prototype.setContext = function (instance) {
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if (instance.parent && (instance.parent.contentId || instance.parent.subContentId)) {
var parentId = instance.parent.subContentId === undefined ? instance.parent.contentId : instance.parent.subContentId;
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this.data.statement.context = {
"contextActivities": {
"parent": [
{
"id": this.getContentXAPIId(instance.parent),
"objectType": "Activity"
}
]
}
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};
}
if (instance.libraryInfo) {
if (this.data.statement.context === undefined) {
this.data.statement.context = {"contextActivities":{}};
}
this.data.statement.context.contextActivities.category = [
{
"id": "http://h5p.org/libraries/" + instance.libraryInfo.versionedNameNoSpaces,
"objectType": "Activity"
}
];
}
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};
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/**
* Set the actor. Email and name will be added automatically.
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*/
H5P.XAPIEvent.prototype.setActor = function () {
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if (H5PIntegration.user !== undefined) {
this.data.statement.actor = {
'name': H5PIntegration.user.name,
'mbox': 'mailto:' + H5PIntegration.user.mail,
'objectType': 'Agent'
};
}
else {
var uuid;
if (localStorage.H5PUserUUID) {
uuid = localStorage.H5PUserUUID;
}
else {
uuid = H5P.createUUID();
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localStorage.H5PUserUUID = uuid;
}
this.data.statement.actor = {
'account': {
'name': uuid,
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'homePage': H5PIntegration.siteUrl
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},
'objectType': 'Agent'
};
}
};
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/**
* Get the max value of the result - score part of the statement
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*
* @returns {number}
* The max score, or null if not defined
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*/
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H5P.XAPIEvent.prototype.getMaxScore = function() {
return this.getVerifiedStatementValue(['result', 'score', 'max']);
};
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/**
* Get the raw value of the result - score part of the statement
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*
* @returns {number}
* The score, or null if not defined
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*/
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H5P.XAPIEvent.prototype.getScore = function() {
return this.getVerifiedStatementValue(['result', 'score', 'raw']);
};
/**
* Get content xAPI ID.
*
* @param {Object} instance
* The H5P instance
*/
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H5P.XAPIEvent.prototype.getContentXAPIId = function (instance) {
var xAPIId;
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if (instance.contentId && H5PIntegration && H5PIntegration.contents) {
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xAPIId = H5PIntegration.contents['cid-' + instance.contentId].url;
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if (instance.subContentId) {
xAPIId += '?subContentId=' + instance.subContentId;
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}
}
return xAPIId;
};
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/**
* Figure out if a property exists in the statement and return it
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*
* @param {string[]} keys
* List describing the property we're looking for. For instance
* ['result', 'score', 'raw'] for result.score.raw
* @returns {*}
* The value of the property if it is set, null otherwise.
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*/
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H5P.XAPIEvent.prototype.getVerifiedStatementValue = function(keys) {
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var val = this.data.statement;
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for (var i = 0; i < keys.length; i++) {
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if (val[keys[i]] === undefined) {
return null;
}
val = val[keys[i]];
}
return val;
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};
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/**
* List of verbs defined at {@link http://adlnet.gov/expapi/verbs/|ADL xAPI Vocabulary}
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*
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* @type Array
*/
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H5P.XAPIEvent.allowedXAPIVerbs = [
'answered',
'asked',
'attempted',
'attended',
'commented',
'completed',
'exited',
'experienced',
'failed',
'imported',
'initialized',
'interacted',
'launched',
'mastered',
'passed',
'preferred',
'progressed',
'registered',
'responded',
'resumed',
'scored',
'shared',
'suspended',
'terminated',
'voided'
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];