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# Conflicts: # templates/app.js # templates/style.css
94 lines
2.7 KiB
JavaScript
94 lines
2.7 KiB
JavaScript
document.addEventListener("DOMContentLoaded", function () {
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changeTheme();
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initcolorTheme();
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apply_stickies();
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});
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function changeTheme() {
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let toggleBtn = document.querySelector("#theme-toggle-js");
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if (toggleBtn) {
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toggleBtn.addEventListener("click", function () {
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if (toggleBtn.dataset.theme === "light") {
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setTheme("dark", true);
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} else {
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setTheme("light", true);
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}
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});
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}
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}
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/***
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* init javascript
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* 1) detect native color scheme or use set theme in local storage
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* 2) detect view (desktop or responsive) if on mobile device with touch screen
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* 3) set base font size to 112.5% -> 18px
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*/
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function initcolorTheme() {
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colorThemeWatcher();
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let theme = localStorage.getItem("theme");
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if (theme == null || theme === "auto") {
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if (window.matchMedia && window.matchMedia("(prefers-color-scheme: dark)").matches) {
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setTheme("dark", false);
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} else {
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setTheme("light", false);
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}
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} else {
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setTheme(theme);
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}
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}
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/***
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* Listener operating system native color configuration
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*/
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function colorThemeWatcher() {
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try {
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window.matchMedia("(prefers-color-scheme: dark)").addEventListener("change", (e) => {
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setTheme(e.matches ? "dark" : "light");
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});
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} catch {
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console.warn("color theme watcher not supported");
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}
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}
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/**
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* Define color scheme, colors without losing the base font size configuration
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* and add data-theme to html tag
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* @param theme
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*/
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function setTheme(theme, setLocalStorage = true) {
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let toggleBtn = document.querySelector("#theme-toggle-js");
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if (setLocalStorage) {
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localStorage.setItem("theme", theme);
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}
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if (toggleBtn) toggleBtn.setAttribute("data-theme", theme);
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if (document.documentElement.dataset.theme === "dark" && theme === "light") {
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document.documentElement.dataset.theme = "light";
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} else if (document.documentElement.dataset.theme === "light" && theme === "dark") {
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document.documentElement.dataset.theme = "dark";
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}
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}
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window.addEventListener("scroll", function () {
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apply_stickies();
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});
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function apply_stickies() {
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var _$stickies = [].slice.call(document.querySelectorAll('details[open] .sticky'))
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_$stickies.forEach(function (_$sticky) {
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if (CSS.supports && CSS.supports("position", "sticky")) {
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apply_sticky_class(_$sticky);
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}
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});
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}
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function apply_sticky_class(_$sticky) {
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var currentOffset = _$sticky.getBoundingClientRect().top;
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var stickyOffset = parseInt(getComputedStyle(_$sticky).top.replace("px", ""));
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var isStuck = currentOffset <= stickyOffset;
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_$sticky.classList.toggle("js-is-sticky", isStuck);
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}
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