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sideMenu.js
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sideMenu.js
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/*
--------------------------------------------------
* Vars
*/
const
root = document.documentElement,
colorMenuContent = document.getElementById("colorMenuContent"),
scaleMenuContent = document.getElementById("scaleMenuContent"),
sideMenuFrame = document.getElementById("sideMenuFrame"),
sideMenuBoxes = sideMenuFrame.getElementsByClassName("menuBox"),
sideMenuTabs = sideMenuFrame.getElementsByClassName("menuTab"),
colorInputs = [].slice.call(colorMenuContent.querySelectorAll("input")),
scaleButton = [].slice.call(scaleMenuContent.querySelectorAll("button")),
scaleInput = [].slice.call(scaleMenuContent.querySelectorAll("input")),
fontSizeMod = getComputedStyle(document.documentElement).getPropertyValue('--fontSizeMod'),
navMenuContent = document.getElementById("navMenuContent"),
navLinks = [].slice.call(navMenuContent.querySelectorAll("a")),
transitionSpeed = 300
;
/*
--------------------------------------------------
* Menu Event Processing
*/
function sideMenuPoke() {
let sideMenuActiveTag = this.classList.contains("active");
if(!sideMenuFrame.classList.contains("active")) sideMenuToggle();
if(sideMenuActiveTag) {
sideMenuToggle();
setTimeout(sideMenuActiveBoxSwap, transitionSpeed);
} else {
sideMenuActiveBoxSwap();
sideMenuActiveTabSwap();
this.parentNode.classList.add("active");
this.classList.add("active");
}
}
function sideMenuToggle() {
sideMenuFrame.classList.toggle("active");
sideMenuActiveTabSwap();
}
function sideMenuActiveBoxSwap() {
Array.from(sideMenuBoxes).forEach(function(el) {
el.classList.remove("active");
});
}
function sideMenuActiveTabSwap() {
Array.from(sideMenuTabs).forEach(function(el) {
el.classList.remove("active");
});
}
/*
--------------------------------------------------
* Close menu after clicking navagation link
*/
function tocButtonClose() {
sideMenuToggle();
setTimeout(sideMenuActiveBoxSwap, transitionSpeed);
}
/*
--------------------------------------------------
* Color Wheel
*/
function colorHandleUpdate(e) {
if (this.id === "red") root.style.setProperty("--red", this.value);
if (this.id === "green") root.style.setProperty("--green", this.value);
if (this.id === "blue") root.style.setProperty("--blue", this.value);
}
/*
--------------------------------------------------
* Text Scaling
*/
function scaleHandleApply(e) {
// existing code
root.style.setProperty("--fontSizeMod", scaleInput[0].value);
// added code
SetCookie("fontSizeVar=", scaleInput[0].value, 30);
}
function scaleHandleUpdate(e) {
root.style.setProperty("--fontSizeModPreview", scaleInput[0].value);
}
/*
--------------------------------------------------
* Initialization
*/
function sideMenuEnable() {
Array.from(sideMenuTabs).forEach(function(el) {
el.addEventListener("click", sideMenuPoke);
});
setTimeout(function() {
document.documentElement.classList.remove("no-js");
}, transitionSpeed)
colorInputs.forEach(input => input.addEventListener("change", colorHandleUpdate));
colorInputs.forEach(input => input.addEventListener("mousemove", colorHandleUpdate));
scaleButton.forEach(input => input.addEventListener("click", scaleHandleApply));
scaleInput.forEach(input => input.addEventListener("change", scaleHandleUpdate));
scaleInput.forEach(input => input.addEventListener("mousemove", scaleHandleUpdate));
navLinks.forEach(input => input.addEventListener("click", tocButtonClose));
}
function SetCookie(name,value,days) {
var now= new Date();
var expDate = new Date();
if (days==null || days==0) days=1;
//create date after no of "days" from now
expDate.setTime(now.getTime() + 3600000*24*days);
//create cookie with name, value and expire date
document.cookie = name + escape(value)+";expires="+expDate.toUTCString();
}
function ReadCookie(name) {
if (name == "") return "";
var strCookie =" " + document.cookie;
var idx = strCookie.indexOf(" " + name + "=");
if (idx == -1) idx = strCookie.indexOf(";" + name + "=");
if (idx == -1) return "";
var idx1 = strCookie.indexOf(";", idx+1);
if (idx1 == -1) idx1 = strCookie.length;
return unescape(strCookie.substring(idx + name.length+2, idx1));
}
sideMenuEnable();
window.addEventListener('load', () => document.documentElement.style.setProperty('--fontSizeMod', ReadCookie('fontSizeVar')));