tao-test/app/taoQtiItem/views/js/runtime/qtiCustomInteractionContext.js

90 lines
3.1 KiB
JavaScript

/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; under version 2
* of the License (non-upgradable).
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2014-2020 (original work) Open Assessment Technlogies SA (under the project TAO-PRODUCT);
*
*/
define(['lodash'], function(_) {
'use strict';
//need a global reference to have pciHooks shared in two different requirejs context ("default" and "portableCustomInteraction")
window._pciHooks = window._pciHooks || {};
/**
* Global object accessible by all PCIs
*
* @type Object
*/
return {
/**
* register a custom interaction (its runtime model) in global registery
* register a renderer
*
* @param {Object} pciHook
* @returns {undefined}
*/
register(pciHook) {
const typeIdentifier =
typeof pciHook.getTypeIdentifier === 'function' ? pciHook.getTypeIdentifier() : pciHook.typeIdentifier;
if (typeIdentifier) {
window._pciHooks[typeIdentifier] = pciHook;
} else {
throw new Error('invalid PCI hook');
}
},
/**
* notify when a custom interaction is ready for test taker interaction
*
* @param {string} pciInstance
* @fires custominteractionready
*/
notifyReady(pciInstance) {
//@todo add pciIntance as event data and notify event to delivery engine
},
/**
* notify when a custom interaction is completed by test taker
*
* @param {string} pciInstance
* @fires custominteractiondone
*/
notifyDone(pciInstance) {
//@todo add pciIntance as event data and notify event to delivery engine
},
onready(customInteraction, state) {
//to be implemented in future story
},
ondone(customInteraction, response, state, status) {
//to be implemented in future story
},
/**
* Get a cloned object representing the PCI model
*
* @param {string} pciTypeIdentifier
* @returns {Object} clonedPciModel
*/
createPciInstance(pciTypeIdentifier) {
const registeredPCI = window._pciHooks[pciTypeIdentifier];
if (!registeredPCI) {
throw new Error('no portable custom interaction hook found with the id ' + pciTypeIdentifier);
}
return _.cloneDeep(registeredPCI);
}
};
});