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Use local storage rather than a cookie

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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.
This commit is contained in:
Jay Bryant
2020-01-29 10:25:45 -06:00
committed by Mahmoud Ben Hassine
parent 9191a72206
commit e5cafe4625
1 changed files with 18 additions and 13 deletions
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31
spring-batch-docs/asciidoc/js/DocumentToggle.js
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@@ -1,5 +1,6 @@
$(document).ready(function(){
var BATCH_LANGUAGES = ["java", "xml", "both"];
var $xmlButton = $("#xmlButton");
var $javaButton = $("#javaButton");
var $bothButton = $("#bothButton");
@@ -10,20 +11,24 @@ $(document).ready(function(){
var $javaContent = $("*.javaContent");
var $javaContentAll = $("*.javaContent > *");
setJava();
// Initial cookie handler. This part remembers the reader's choice and sets the toggle
// accordingly.
var docToggleCookieString = Cookies.get("docToggle");
if (docToggleCookieString != null) {
if (docToggleCookieString === "xml") {
// Initial cookie handler. This part remembers the
// reader's choice and sets the toggle accordingly.
var lang = window.localStorage.getItem("docToggle");
if (BATCH_LANGUAGES.indexOf(lang) === -1) {
lang = "java";
$javaButton.prop("checked", true);
setJava();
} else {
if (lang === "xml") {
$xmlButton.prop("checked", true);
setXml();
} else if (docToggleCookieString === "java") {
}
if (lang === "java") {
$javaButton.prop("checked", true);
setJava();
} else if (docToggleCookieString === "both") {
$bothButton.prop("checked", true);
}
if (lang === "both") {
$javaButton.prop("checked", true);
setBoth();
}
}
@@ -48,7 +53,7 @@ $(document).ready(function(){
$xmlContentAll.removeClass("js-toc-ignore");
window.dispatchEvent(new Event("tocRefresh"));
tocbot.refresh();
Cookies.set('docToggle', 'xml', { expires: 3652 });
window.localStorage.setItem('docToggle', 'xml');
}
function setJava() {
@@ -58,7 +63,7 @@ $(document).ready(function(){
$javaContentAll.removeClass("js-toc-ignore");
window.dispatchEvent(new Event("tocRefresh"));
tocbot.refresh();
Cookies.set('docToggle', 'java', { expires: 3652 });
window.localStorage.setItem('docToggle', 'java');
}
function setBoth() {
@@ -68,7 +73,7 @@ $(document).ready(function(){
$xmlContentAll.removeClass("js-toc-ignore");
window.dispatchEvent(new Event("tocRefresh"));
tocbot.refresh();
Cookies.set('docToggle', 'both', { expires: 3652 });
window.localStorage.setItem('docToggle', 'both');
}
});