@oat-sa/tao-item-runner-qti/src/qtiItem/core/variables/ResponseDeclaration.js

TAO QTI Item Runner modules

/*
 * 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 (original work) Open Assessment Technologies SA;
 *
 */
import VariableDeclaration from 'taoQtiItem/qtiItem/core/variables/VariableDeclaration';
import _ from 'lodash';

var ResponseDeclaration = VariableDeclaration.extend({
    qtiClass: 'responseDeclaration',
    init: function (serial, attributes) {
        this._super(serial, attributes);

        //MATCH_CORRECT, MAP_RESPONSE, MAP_RESPONSE_POINT
        this.template = ''; //previously called 'howMatch'

        //when template equals ont of the "map" one (MAP_RESPONSE, MAP_RESPONSE_POINT)
        this.mappingAttributes = {};
        this.mapEntries = {};

        //correct response [0..*]
        this.correctResponse = null;

        //tao internal usage:
        this.feedbackRules = {};
    },
    getFeedbackRules: function () {
        return _.values(this.feedbackRules);
    },
    getComposingElements: function () {
        var elts = this._super();
        elts = _.extend(elts, this.feedbackRules);
        return elts;
    },
    toArray: function () {
        var arr = this._super();
        arr.howMatch = this.template;
        arr.correctResponses = this.correctResponse;
        arr.mapping = this.mapEntries;
        arr.mappingAttributes = this.mappingAttributes;
        arr.feedbackRules = _.map(this.feedbackRules, function (rule) {
            return rule.toArray();
        });
        return arr;
    },
    getInteraction: function () {
        var interaction = null;
        var responseId = this.id();
        var item = this.getRootElement();
        var interactions = item.getInteractions();
        _.forEach(interactions, function (i) {
            if (i.attributes.responseIdentifier === responseId) {
                interaction = i;
                return false; //break
            }
        });
        return interaction;
    },
    isCardinality: function (cardinalities) {
        var comparison;
        if (_.isArray(cardinalities)) {
            comparison = cardinalities;
        } else if (_.isString(cardinalities)) {
            cardinalities = [cardinalities];
        } else {
            return false;
        }
        return _.indexOf(comparison, this.attr('cardinality')) >= 0;
    }
});

export default ResponseDeclaration;