95 lines
2.9 KiB
JavaScript
95 lines
2.9 KiB
JavaScript
'use strict';
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// Kamera-Konfiguration: liest GET /api/config, baut pro Kamera eine ComboBox
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// (Aus + erlaubte Auflösungen), POSTet die Auswahl zurück. Server wendet die
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// Auflösung sofort an (Hot-Reload) und persistiert in cameras.json.
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const OFF = '__off__';
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let liveSizes = [];
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async function load() {
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const r = await fetch('/api/config');
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if (!r.ok) throw new Error(`HTTP ${r.status}`);
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const cfg = await r.json();
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liveSizes = cfg.liveSizes || [];
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render(cfg.cameras || []);
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setStatus('bereit', '');
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document.getElementById('saveBtn').disabled = false;
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}
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function render(cameras) {
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const tbody = document.getElementById('rows');
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tbody.innerHTML = '';
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for (const cam of cameras) {
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const tr = document.createElement('tr');
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const tdId = document.createElement('td');
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tdId.textContent = cam.id;
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const tdName = document.createElement('td');
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tdName.textContent = cam.name || cam.id;
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if (cam.id === 'cam2') {
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const w = document.createElement('span');
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w.className = 'warn-badge';
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w.textContent = ' ⚠';
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w.title = 'C920: bei kleinen 4:3-Auflösungen überdurchschnittlich Bandbreite';
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tdName.appendChild(w);
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}
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const tdSel = document.createElement('td');
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const sel = document.createElement('select');
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sel.dataset.id = cam.id;
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const isOff = cam.stream === false;
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sel.add(new Option('Aus', OFF, false, isOff));
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for (const s of liveSizes) {
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sel.add(new Option(s.replace('x', '×'), s, false, !isOff && cam.liveSize === s));
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}
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tdSel.appendChild(sel);
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const tdCur = document.createElement('td');
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tdCur.className = 'cur';
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tdCur.textContent = isOff ? 'aus' : (cam.liveSize || '?');
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tr.append(tdId, tdName, tdSel, tdCur);
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tbody.appendChild(tr);
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}
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}
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function collect() {
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return Array.from(document.querySelectorAll('select[data-id]')).map((sel) => {
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const id = sel.dataset.id;
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if (sel.value === OFF) return { id, stream: false };
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return { id, stream: true, liveSize: sel.value };
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});
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}
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async function save() {
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const btn = document.getElementById('saveBtn');
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btn.disabled = true;
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setStatus('speichert…', '');
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try {
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const r = await fetch('/api/config', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ cameras: collect() }),
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});
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const body = await r.json().catch(() => ({}));
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if (!r.ok) throw new Error(body.error || `HTTP ${r.status}`);
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render(body.cameras || []);
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setStatus('gespeichert & angewendet', 'ok');
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} catch (e) {
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setStatus('Fehler: ' + e.message, 'err');
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} finally {
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btn.disabled = false;
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}
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}
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function setStatus(text, cls) {
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const el = document.getElementById('status');
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el.textContent = text;
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el.className = cls || '';
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}
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document.getElementById('saveBtn').addEventListener('click', save);
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load().catch((e) => setStatus('Laden fehlgeschlagen: ' + e.message, 'err'));
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