fixed issue

hwanyoung2/Plugins/FMODStudio/Docs/scripts/language-selector.js

@@ -0,0 +1,98 @@
+var languageTabs = null;
+var languageSpecificElements = null;
+var availableLanguages = null;
+
+// Helper function to iterate over an HTMLCollection or NodeList (https://stackoverflow.com/questions/3871547/js-iterating-over-result-of-getelementsbyclassname-using-array-foreach)
+function forEachElement(collection, func) {
+  Array.prototype.forEach.call(collection, func);
+}
+
+function matchLanguage(el, lang) {
+  if (lang == "language-all" || el.classList.contains("language-all")) {
+    return true;
+  } else if ((lang === "language-c" || lang === "language-cpp") && el.classList.contains("language-c-cpp")) {
+    return true;
+  } else {
+    return el.classList.contains(lang);
+  }
+}
+
+function setLanguage(lang) {
+  if (languageSpecificElements == null) {
+    return;
+  }
+
+  window.localStorage.setItem("FMOD.Documents.selected-language", lang);
+
+  if (availableLanguages.length > 0 && !availableLanguages.includes(lang)) {
+    lang = availableLanguages[0];
+  }
+
+  forEachElement(languageTabs, function(el) {
+    var ellang = el.attributes['data-language'].value;
+    
+    if (ellang === lang) {
+      el.classList.add("selected");
+    } else {
+      el.classList.remove("selected");
+    }
+  });
+
+  forEachElement(languageSpecificElements, function(el) {
+    if (matchLanguage(el, lang)) {
+      el.style.display = 'block';
+    } else {
+      el.style.display = 'none';
+    }
+  });
+
+  window.localStorage.setItem("FMOD.Documents.selected-language", lang);
+}
+
+function init() {
+  var docsBody = document.querySelector("div.manual-content.api");
+
+  if (docsBody) {
+      // API docs
+
+      // Setup language tabs
+      languageTabs = docsBody.getElementsByClassName("language-tab");
+
+      forEachElement(languageTabs, function(el) {
+        el.onclick = function() { setLanguage(this.attributes['data-language'].value); }
+      });
+
+      // Cache language specific elements on the page
+      languageSpecificElements = docsBody.querySelectorAll(".language-c, .language-cpp, .language-c-cpp, .language-csharp, .language-javascript");
+
+      // Determine languages used on the page
+      availableLanguages = [];
+      ["language-c", "language-cpp", "language-c-cpp", "language-csharp", "language-javascript"].forEach(function(lang) {
+        if (docsBody.querySelector("." + lang) != null) {
+          availableLanguages.push(lang);
+        }
+      });
+      
+      if (availableLanguages.indexOf("language-c-cpp") >=0) {
+        if (availableLanguages.indexOf("language-c") < 0) availableLanguages.push("language-c"); 
+        if (availableLanguages.indexOf("language-cpp") < 0) availableLanguages.push("language-cpp"); 
+      }
+      // Set initial language
+      var lang = window.localStorage.getItem("FMOD.Documents.selected-language");
+
+      if (lang == null) {
+        lang = "language-cpp";
+      }
+
+      setLanguage(lang);
+  }
+}
+
+if (typeof module !== 'undefined') {
+    module.exports = { initLanguageSelector: init };
+} else {
+  // Call our init function when the document is loaded. (https://plainjs.com/javascript/events/running-code-when-the-document-is-ready-15/)
+  if (document.readyState != 'loading') init();
+  else if (document.addEventListener) document.addEventListener('DOMContentLoaded', init);
+  else document.attachEvent('onreadystatechange', function() { if (document.readyState == 'complete') init(); });
+}