97 lines
3.4 KiB
JavaScript
97 lines
3.4 KiB
JavaScript
var nodemcu = nodemcu || {};
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(function () {
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'use strict';
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var languageCodeToNameMap = {en: 'English', de: 'Deutsch'};
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var languageNames = values(languageCodeToNameMap);
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var defaultLanguageCode = 'en';
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$(document).ready(function () {
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hideNavigationForAllButSelectedLanguage();
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addLanguageSelectorToRtdFlyOutMenu();
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});
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function hideNavigationForAllButSelectedLanguage() {
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var selectedLanguageCode = determineSelectedLanguageCode();
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var selectedLanguageName = languageCodeToNameMap[selectedLanguageCode];
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// Finds all subnav elements and hides them if they're /language/ subnavs. Hence, all 'Modules' subnav elements
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// won't be hidden.
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// <ul class="subnav">
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// <li><span>Modules</span></li>
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// <li class="toctree-l1 ">
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// <a class="" href="EN/modules/node/">node</a>
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// </li>
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$('.subnav li span').not(':contains(' + selectedLanguageName + ')').each(function (index) {
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var spanElement = $(this);
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if ($.inArray(spanElement.text(), languageNames) > -1) {
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spanElement.parent().parent().hide();
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}
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});
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}
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/**
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* Adds a language selector to the RTD fly out menu found bottom left. Example
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* <dl>
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* <dt>Languages</dt>
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* <dd><a href="http://nodemcu.readthedocs.org/en/<branch>/de/">de</a></dd>
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* <strong>
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* <dd><a href="http://nodemcu.readthedocs.org/en/<branch>/en/">en</a></dd>
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* </strong>
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* </dl>
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*/
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function addLanguageSelectorToRtdFlyOutMenu() {
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var flyOutWrapper = $('.rst-other-versions .injected');
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// only works on RTD
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if (flyOutWrapper.length > 0) {
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var selectedLanguageCode = determineSelectedLanguageCode();
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var dl = document.createElement('dl');
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var dt = document.createElement('dt');
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dl.appendChild(dt);
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dt.appendChild(document.createTextNode('Languages'));
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for (var languageCode in languageCodeToNameMap) {
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dl.appendChild(createLanguageLinkFor(languageCode, selectedLanguageCode === languageCode));
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}
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flyOutWrapper.prepend(dl);
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}
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}
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function createLanguageLinkFor(languageCode, isCurrentlySelected) {
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var strong;
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var pathSegments = window.location.pathname.split('/');
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var dd = document.createElement("dd");
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var href = document.createElement("href");
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href.setAttribute('a', '/' + pathSegments[0] + '/' + pathSegments[1] + '/' + languageCode);
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href.appendChild(document.createTextNode(languageCode));
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dd.appendChild(href);
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if (isCurrentlySelected) {
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strong = document.createElement("strong");
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strong.appendChild(dd);
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return strong;
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} else {
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return dd;
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}
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}
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function determineSelectedLanguageCode() {
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var selectedLanguageCode, path = window.location.pathname;
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if (window.location.origin.indexOf('readthedocs') > -1) {
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// path is like /en/<branch>/<lang>/build/ -> extract 'lang'
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selectedLanguageCode = path.split('/')[2];
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} else {
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// path is like /<lang>/build/ -> extract 'lang'
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selectedLanguageCode = path.substr(1, 2);
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}
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if (!selectedLanguageCode || selectedLanguageCode.length > 2) {
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selectedLanguageCode = defaultLanguageCode;
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}
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return selectedLanguageCode;
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}
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function values(associativeArray) {
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var values = [];
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for (var key in associativeArray) {
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if (associativeArray.hasOwnProperty(key)) {
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values.push(associativeArray[key]);
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}
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}
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return values;
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}
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}()); |