103 lines
3.9 KiB
JavaScript
103 lines
3.9 KiB
JavaScript
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/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2014-2018 (original work) Open Assessment Technologies SA
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*
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*/
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define(['jquery', 'lodash', 'taoQtiItem/qtiCreator/model/qtiClasses'], function($, _, qtiClasses){
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"use strict";
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var methods = {
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createElements : function(container, body, callback){
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var regex = /{{([a-z_]+)\.?([a-z_]*):new}}/ig;
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//first pass to get required qti classes, but do not replace
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var required = {};
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body.replace(regex,
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function(original, qtiClass){
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if(qtiClasses[qtiClass]){
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required[qtiClass] = qtiClasses[qtiClass];
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}else{
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throw new Error('missing required class : ' + qtiClass);
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}
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});
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//second pass after requiring classes:
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require(_.values(required), function(){
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//register and name all loaded classes:
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var Qti = _.reduce([].slice.call(arguments), function (acc, qtiClassElt) {
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acc[qtiClassElt.prototype.qtiClass] = qtiClassElt;
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return acc;
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}, {});
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var promises = [];
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var $doc = $(document);
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//create new elements
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var newElts = {};
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var newBody = body.replace(regex,
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function(original, qtiClass, subClass){
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var elt = new Qti[qtiClass]();
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if(Qti[qtiClass]){
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//create new element
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if(container.getRenderer()){
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elt.setRenderer(container.getRenderer());
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}
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newElts[elt.getSerial()] = elt;
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//manage sub-classed qtiClass
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if(subClass){
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//@todo generalize it from customInteraction
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elt.typeIdentifier = subClass;
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}
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return elt.placeholder();
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}else{
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return original;
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}
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});
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//insert them:
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container.setElements(newElts, newBody);
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//operations after insertions:
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_.each(newElts, function(elt){
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if(_.isFunction(elt.buildIdentifier)){
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elt.buildIdentifier();
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}
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if(_.isFunction(elt.afterCreate)){
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promises.push(elt.afterCreate());
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}
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});
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if(typeof(callback) === 'function'){
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Promise.all(promises).then(function(){
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_.each(newElts, function(elt){
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$doc.trigger('elementCreated.qti-widget', {parent : container.parent(), element : elt});
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});
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callback.call(container, newElts);
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}).catch(function(err){
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container.getRenderer().getCreatorContext().trigger('error', err);
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});
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}
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});
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}
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};
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return methods;
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});
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