Refactor the CSS and JS into separate files, attempt 1

2025-08-14 18:25:42 +02:00 · 2022-10-18 20:18:56 +05:30
parent 07429a862c
commit f7b513dff2
14 changed files with 270 additions and 290 deletions
--- a/ui/media/js/themes.js
+++ b/ui/media/js/themes.js
@ -0,0 +1,61 @@
+var DEFAULT_THEME = {};
+var THEMES = []; // initialized in initTheme from data in css
+
+function getThemeName(theme) {
+    theme = theme.replace("theme-", "");
+    theme = theme.split("-").map(word => word.charAt(0).toUpperCase() + word.slice(1)).join(" ");
+    return theme;
+}
+// init themefield
+function initTheme() {
+    Array.from(document.styleSheets)
+        .filter(sheet => sheet.href?.startsWith(window.location.origin))
+        .flatMap(sheet => Array.from(sheet.cssRules))
+        .forEach(rule => {
+            var selector = rule.selectorText; // TODO: also do selector == ":root", re-run un-set props
+            if (selector && selector.startsWith(".theme-")) {
+                var theme_key = selector.substring(1);
+                THEMES.push({
+                    key: theme_key,
+                    name: getThemeName(theme_key),
+                    rule: rule
+                })
+            }
+            if (selector && selector == ":root") {
+                DEFAULT_THEME = {
+                    key: "theme-default",
+                    name: "Default",
+                    rule: rule
+                };
+            }
+    });
+    
+    THEMES.forEach(theme => {
+        var new_option = document.createElement("option");
+        new_option.setAttribute("value", theme.key);
+        new_option.innerText = theme.name;
+        themeField.appendChild(new_option);
+    });
+}
+initTheme();
+
+function themeFieldChanged() {
+    var theme_key = themeField.value;
+
+    var body = document.querySelector("body");
+    body.classList.remove(...THEMES.map(theme => theme.key));
+    body.classList.add(theme_key);
+
+    body.style = "";
+    var theme = THEMES.find(t => t.key == theme_key);
+    if (theme) {
+        // refresh variables incase they are back referencing
+        Array.from(DEFAULT_THEME.rule.style)
+            .filter(cssVariable => !Array.from(theme.rule.style).includes(cssVariable))
+            .forEach(cssVariable => {
+            body.style.setProperty(cssVariable, DEFAULT_THEME.rule.style.getPropertyValue(cssVariable));
+        });
+    }
+}
+
+themeField.addEventListener('change', themeFieldChanged);