@oat-sa/tao-item-runner-qti/src/qtiItem/core/choices/TextVariableChoice.js

TAO QTI Item Runner modules

import $ from 'jquery';
import _ from 'lodash';
import QtiChoice from 'taoQtiItem/qtiItem/core/choices/Choice';
import rendererConfig from 'taoQtiItem/qtiItem/helper/rendererConfig';

var QtiTextVariableChoice = QtiChoice.extend({
    init: function(serial, attributes, text) {
        this._super(serial, attributes);
        this.val(text || '');
    },
    is: function(qtiClass) {
        return qtiClass === 'textVariableChoice' || this._super(qtiClass);
    },
    val: function(text) {
        if (typeof text === 'undefined') {
            return this.text;
        } else {
            if (typeof text === 'string') {
                this.text = text;
                $(document).trigger('choiceTextChange', {
                    choice: this,
                    text: text
                });
            } else {
                throw 'text must be a string';
            }
        }
        return this;
    },
    render: function() {
        var args = rendererConfig.getOptionsFromArguments(arguments),
            renderer = args.renderer || this.getRenderer(),
            defaultData = {
                body: this.text
            };

        return this._super(_.merge(defaultData, args.data), args.placeholder, args.subclass, renderer);
    }
});

export default QtiTextVariableChoice;