text: /*
  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 (global) {
    'use strict';
  
    var languages = [];
  
    global.setupLanguages = setupLanguages;
    global.activateLanguage = activateLanguage;
  
    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++) {
        $(".language-" + languages[i]).hide();
        $(".lang-specific." + languages[i]).hide();
      }
      $(".language-" + language).show();
      $(".lang-specific." + language).show();
  
      global.toc.calculateHeights();
  
      // 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
      localStorage.setItem("language", language);
    }
  
    function setupLanguages(l) {
      var defaultLanguage = localStorage.getItem("language");
  
      languages = l;
  
      var presetLanguage = getLanguageFromQueryString();
      if (presetLanguage) {
        // the language is in the URL, so use that language!
        activateLanguage(presetLanguage);
  
        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;
      });
      window.onpopstate = function() {
        activateLanguage(getLanguageFromQueryString());
      };
    });
  })(window);
  