123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171 |
- //= require ../lib/_jquery
- /*
- Copyright 2008-2013 Concur Technologies, Inc.
- Licensed under the Apache License, Version 2.0 (the "License"); you may
- not use this file except in compliance with the License. You may obtain
- a copy of the License at
- http://www.apache.org/licenses/LICENSE-2.0
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- License for the specific language governing permissions and limitations
- under the License.
- */
- ;(function () {
- 'use strict';
- var languages = [];
- window.setupLanguages = setupLanguages;
- window.activateLanguage = activateLanguage;
- window.getLanguageFromQueryString = getLanguageFromQueryString;
- function activateLanguage(language) {
- if (!language) return;
- if (language === "") return;
- $(".lang-selector a").removeClass('active');
- $(".lang-selector a[data-language-name='" + language + "']").addClass('active');
- for (var i=0; i < languages.length; i++) {
- $(".highlight.tab-" + languages[i]).hide();
- $(".lang-specific." + languages[i]).hide();
- }
- $(".highlight.tab-" + language).show();
- $(".lang-specific." + language).show();
- window.recacheHeights();
- // scroll to the new location of the position
- if ($(window.location.hash).get(0)) {
- $(window.location.hash).get(0).scrollIntoView(true);
- }
- }
- // parseURL and stringifyURL are from https://github.com/sindresorhus/query-string
- // MIT licensed
- // https://github.com/sindresorhus/query-string/blob/7bee64c16f2da1a326579e96977b9227bf6da9e6/license
- function parseURL(str) {
- if (typeof str !== 'string') {
- return {};
- }
- str = str.trim().replace(/^(\?|#|&)/, '');
- if (!str) {
- return {};
- }
- return str.split('&').reduce(function (ret, param) {
- var parts = param.replace(/\+/g, ' ').split('=');
- var key = parts[0];
- var val = parts[1];
- key = decodeURIComponent(key);
- // missing `=` should be `null`:
- // http://w3.org/TR/2012/WD-url-20120524/#collect-url-parameters
- val = val === undefined ? null : decodeURIComponent(val);
- if (!ret.hasOwnProperty(key)) {
- ret[key] = val;
- } else if (Array.isArray(ret[key])) {
- ret[key].push(val);
- } else {
- ret[key] = [ret[key], val];
- }
- return ret;
- }, {});
- };
- function stringifyURL(obj) {
- return obj ? Object.keys(obj).sort().map(function (key) {
- var val = obj[key];
- if (Array.isArray(val)) {
- return val.sort().map(function (val2) {
- return encodeURIComponent(key) + '=' + encodeURIComponent(val2);
- }).join('&');
- }
- return encodeURIComponent(key) + '=' + encodeURIComponent(val);
- }).join('&') : '';
- };
- // gets the language set in the query string
- function getLanguageFromQueryString() {
- if (location.search.length >= 1) {
- var language = parseURL(location.search).language;
- if (language) {
- return language;
- } else if (jQuery.inArray(location.search.substr(1), languages) != -1) {
- return location.search.substr(1);
- }
- }
- return false;
- }
- // returns a new query string with the new language in it
- function generateNewQueryString(language) {
- var url = parseURL(location.search);
- if (url.language) {
- url.language = language;
- return stringifyURL(url);
- }
- return language;
- }
- // if a button is clicked, add the state to the history
- function pushURL(language) {
- if (!history) { return; }
- var hash = window.location.hash;
- if (hash) {
- hash = hash.replace(/^#+/, '');
- }
- history.pushState({}, '', '?' + generateNewQueryString(language) + '#' + hash);
- // save language as next default
- if (localStorage) {
- localStorage.setItem("language", language);
- }
- }
- function setupLanguages(l) {
- var defaultLanguage = null;
- if (localStorage) {
- defaultLanguage = localStorage.getItem("language");
- }
- languages = l;
- var presetLanguage = getLanguageFromQueryString();
- if (presetLanguage) {
- // the language is in the URL, so use that language!
- activateLanguage(presetLanguage);
- if (localStorage) {
- localStorage.setItem("language", presetLanguage);
- }
- } else if ((defaultLanguage !== null) && (jQuery.inArray(defaultLanguage, languages) != -1)) {
- // the language was the last selected one saved in localstorage, so use that language!
- activateLanguage(defaultLanguage);
- } else {
- // no language selected, so use the default
- activateLanguage(languages[0]);
- }
- }
- // if we click on a language tab, activate that language
- $(function() {
- $(".lang-selector a").on("click", function() {
- var language = $(this).data("language-name");
- pushURL(language);
- activateLanguage(language);
- return false;
- });
- });
- })();
|