Tonnage-app-IMCO/static/app-common.js
2026-04-22 10:42:52 +02:00

93 lines
3.4 KiB
JavaScript

(function(){
const THEME_KEY = 'force-monitor-theme';
function byId(id){ return id ? document.getElementById(id) : null; }
function setTheme(theme, opts){
opts = opts || {};
const t = theme === 'light' ? 'light' : 'dark';
document.body.setAttribute('data-theme', t);
try { localStorage.setItem(THEME_KEY, t); } catch (_) {}
const btn = byId(opts.buttonId || 'theme-toggle');
if (btn) btn.textContent = t === 'light' ? 'Dark theme' : 'Light theme';
if (typeof opts.onChange === 'function') opts.onChange(t);
return t;
}
function initTheme(opts){
opts = opts || {};
let theme = 'dark';
try {
const stored = localStorage.getItem(THEME_KEY);
if (stored === 'light' || stored === 'dark') theme = stored;
else if (window.matchMedia && window.matchMedia('(prefers-color-scheme: light)').matches) theme = 'light';
} catch (_) {}
setTheme(theme, opts);
const btn = byId(opts.buttonId || 'theme-toggle');
if (btn && !btn.dataset.themeBound) {
btn.dataset.themeBound = '1';
btn.addEventListener('click', function(){
setTheme(document.body.getAttribute('data-theme') === 'light' ? 'dark' : 'light', opts);
});
}
return theme;
}
function updateFullscreenButton(buttonId){
const btn = byId(buttonId || 'fullscreen-toggle');
if (btn) btn.textContent = document.fullscreenElement ? 'Exit fullscreen' : 'Enter fullscreen';
}
async function toggleFullscreen(buttonId){
try {
if (!document.fullscreenElement) await document.documentElement.requestFullscreen();
else await document.exitFullscreen();
} catch (err) {
console.warn('Fullscreen error:', err);
} finally {
updateFullscreenButton(buttonId || 'fullscreen-toggle');
}
}
function initFullscreen(opts){
opts = opts || {};
const buttonId = opts.buttonId || 'fullscreen-toggle';
const btn = byId(buttonId);
if (btn && !btn.dataset.fsBound) {
btn.dataset.fsBound = '1';
btn.addEventListener('click', function(){ toggleFullscreen(buttonId); });
}
if (!document.documentElement.dataset.fsListenerBound) {
document.documentElement.dataset.fsListenerBound = '1';
document.addEventListener('fullscreenchange', function(){
document.querySelectorAll('#fullscreen-toggle, #fullscreen-btn').forEach(function(el){
el.textContent = document.fullscreenElement ? 'Exit fullscreen' : 'Enter fullscreen';
});
});
}
updateFullscreenButton(buttonId);
}
async function fetchJson(url, opts){
opts = opts || {};
const controller = new AbortController();
const timeoutMs = opts.timeoutMs || 8000;
const timer = setTimeout(function(){ controller.abort(); }, timeoutMs);
try {
const res = await fetch(url, {
method: opts.method || 'GET',
headers: opts.headers || undefined,
body: opts.body,
cache: 'no-store',
signal: controller.signal
});
let data = null;
try { data = await res.json(); } catch (_) { data = null; }
if (!res.ok) {
const err = new Error(data && data.error ? data.error : ('HTTP ' + res.status));
err.response = res;
err.data = data;
throw err;
}
return data;
} finally {
clearTimeout(timer);
}
}
window.AppUI = { setTheme, initTheme, updateFullscreenButton, toggleFullscreen, initFullscreen, fetchJson };
})();