e5cafe4625
I learnt that local storage is the preferred way to save a user's preferences. A cookie is sent to the server on every request, which makes for needless traffic. I "borrowed" the idea from the Spring Framework docs.
80 lines
2.4 KiB
JavaScript
80 lines
2.4 KiB
JavaScript
$(document).ready(function(){
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var BATCH_LANGUAGES = ["java", "xml", "both"];
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var $xmlButton = $("#xmlButton");
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var $javaButton = $("#javaButton");
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var $bothButton = $("#bothButton");
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var $xmlContent = $("*.xmlContent");
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var $xmlContentAll = $("*.xmlContent > *");
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var $javaContent = $("*.javaContent");
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var $javaContentAll = $("*.javaContent > *");
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// Initial cookie handler. This part remembers the
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// reader's choice and sets the toggle accordingly.
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var lang = window.localStorage.getItem("docToggle");
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if (BATCH_LANGUAGES.indexOf(lang) === -1) {
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lang = "java";
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$javaButton.prop("checked", true);
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setJava();
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} else {
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if (lang === "xml") {
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$xmlButton.prop("checked", true);
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setXml();
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}
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if (lang === "java") {
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$javaButton.prop("checked", true);
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setJava();
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}
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if (lang === "both") {
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$javaButton.prop("checked", true);
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setBoth();
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}
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}
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// Click handlers
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$xmlButton.on("click", function() {
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setXml();
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});
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$javaButton.on("click", function() {
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setJava();
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});
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$bothButton.on("click", function() {
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setBoth();
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});
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// Functions to do the work of handling the reader's choice, whether through a click
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// or through a cookie. 3652 days is 10 years, give or take a leap day.
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function setXml() {
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$xmlContent.show();
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$javaContent.hide();
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$javaContentAll.addClass("js-toc-ignore");
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$xmlContentAll.removeClass("js-toc-ignore");
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window.dispatchEvent(new Event("tocRefresh"));
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tocbot.refresh();
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window.localStorage.setItem('docToggle', 'xml');
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}
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function setJava() {
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$javaContent.show();
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$xmlContent.hide();
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$xmlContentAll.addClass("js-toc-ignore");
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$javaContentAll.removeClass("js-toc-ignore");
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window.dispatchEvent(new Event("tocRefresh"));
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tocbot.refresh();
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window.localStorage.setItem('docToggle', 'java');
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}
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function setBoth() {
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$javaContent.show();
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$xmlContent.show();
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$javaContentAll.removeClass("js-toc-ignore");
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$xmlContentAll.removeClass("js-toc-ignore");
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window.dispatchEvent(new Event("tocRefresh"));
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tocbot.refresh();
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window.localStorage.setItem('docToggle', 'both');
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}
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});
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