@oat-sa/tao-item-runner-qti/src/qtiItem/core/interactions/GraphicAssociateInteraction.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) 2014-2017 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
 *
 */
import GraphicInteraction from 'taoQtiItem/qtiItem/core/interactions/GraphicInteraction';
import maxScore from 'taoQtiItem/qtiItem/helper/maxScore';

var GraphicAssociateInteraction = GraphicInteraction.extend({
    qtiClass: 'graphicAssociateInteraction',
    getNormalMaximum: function getNormalMaximum() {
        var calculatePossiblePairs = function calculatePossiblePairs(associateInteraction) {
            var i,
                j,
                pairs = [];
            var choices = maxScore.getMatchMaxOrderedChoices(associateInteraction.getChoices());
            for (i = 0; i < choices.length; i++) {
                for (j = i; j < choices.length; j++) {
                    if (i !== j) {
                        pairs.push([choices[i].id, choices[j].id]);
                    }
                }
            }
            return pairs;
        };
        return maxScore.associateInteractionBased(this, { possiblePairs: calculatePossiblePairs(this) });
    }
});
export default GraphicAssociateInteraction;