confirm.js

gistfile1.js

/* global  _ , window, Promise */
(function (NS) {
    "use strict";
    //Filename: helpers/message_helper.js
    var isInBrowser = typeof module === 'undefined' && typeof window !== 'undefined';
    //create a modal in the DOM.
    var ModalView =  isInBrowser ? NS.Views.ModalView : require('../views/modal-view');
    var confirmView = new ModalView({ modalTitle: i18n.t('modal.confirm'), templateConsult: function () { return "" } });
    //if (!$('div[data-modal-confirm]').length) {
    //Register the modal in the DOM.
    $('body').append(confirmView.render().el);

    //Create an event manager.
    var evtManager = _.extend({}, Backbone.Events);

    //Confirm promise version.
    var confirm = function messageHelperConfirm(messageKey) {
        confirmView.modalTitle = i18n.t(messageKey);
        confirmView.render();
        confirmView.showModal();
        return new Promise(function (resolve, failure) {
            //Listen to once to the close event of the modal.
            evtManager.listenToOnce(confirmView, "modal:close", function (data) {
                eventManager.stopListening(confirmView, 'modal:close');
                resolve(messageKey);
            });
            //Listen to once the cancel event on the modal.
            evtManager.listenToOnce(confirmView, "modal:cancel", function (data) {
                eventManager.stopListening(confirmView, 'modal:close');
                reject(messageKey);               
            });
        });
        if (isInBrowser) {
            // TODO : implement another confirm method (currently we are using native javascript confirm function)
            return window.confirm(i18n.t(messageKey));
        }
        return false;
    };

    //Message helper.
    var messageHelper = {
        confirm: confirm
    };
    if (isInBrowser) {
        NS.Helpers = NS.Helpers || {};
        NS.Helpers.messageHelper = messageHelper;
    } else {
        module.exports = messageHelper;
    }
})(typeof module === 'undefined' && typeof window !== 'undefined' ? window.Fmk : module.exports);