Files
RotRouter/public/index.html
2026-04-02 19:58:33 +02:00

540 lines
19 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>RotRouter</title>
<link href="https://fonts.googleapis.com/css?family=Roboto+Condensed:300italic,400italic,700italic,400,700,300&subset=latin-ext" rel="stylesheet" type="text/css">
<style>
:root {
--box-size: 400px;
}
html, body {
font-family: 'Roboto Condensed', sans-serif, Arial, Tahoma, Verdana;
background-color: #000;
color: #ccc;
margin: 0;
padding: 0;
}
.rotators {
display: flex;
flex-wrap: wrap;
justify-content: center;
gap: 20px;
padding: 20px;
}
.rotator-card {
display: flex;
flex-direction: column;
align-items: center;
}
canvas {
display: block;
cursor: crosshair;
}
.info-panel {
width: var(--box-size);
margin-top: 8px;
text-align: center;
}
.rotator-label {
font-size: 22px;
font-weight: bold;
color: #fff;
margin: 0 0 2px;
}
.rotator-bands {
font-size: 15px;
color: #aaa;
margin: 0 0 6px;
}
.status-bar {
font-size: 20px;
margin: 0;
}
.status-wrapper {
color: #000;
background: #666;
padding: 4px 6px;
border-radius: 5px;
display: inline-block;
}
.text-white { color: #fff; }
.text-bold { font-weight: bold; }
.text-red { color: red; }
.text-muted { color: #666; font-size: 73%; }
.turned-by {
font-size: 14px;
color: #888;
margin: 4px 0 0;
}
.turned-by .source {
color: #e0e040;
}
</style>
</head>
<body>
<div class="rotators" id="rotators"></div>
<script>
class RotatorState {
constructor() {
this.boxSize = 400;
this.center = this.boxSize / 2;
this.azShift = 0;
this.azRange = 360;
this.azimuth = 0;
this.antRadiationAngle = 0;
this.status = 4;
this.mapUrl = "";
this.elevation = 0;
this.mac = "";
this.antName = "";
this.adc = 0;
this.online = false;
this.bands = [];
}
}
class RotatorRenderer {
constructor(canvas, state) {
this.canvas = canvas;
this.ctx = canvas.getContext('2d');
this.state = state;
this.bgCanvas = document.createElement('canvas');
this.bgCanvas.width = state.boxSize;
this.bgCanvas.height = state.boxSize;
this.bgCtx = this.bgCanvas.getContext('2d');
this.mapImage = new Image();
this.mapImage.onload = () => this.drawBackgroundCache();
}
getPoint(angle, radius) {
const rad = angle * Math.PI / 180;
return {
x: this.state.center + Math.sin(rad) * radius,
y: this.state.center - Math.cos(rad) * radius
};
}
updateMap(url) {
if (url && this.mapImage.src !== new URL(url, document.baseURI).href) {
this.mapImage.src = url;
} else {
this.drawBackgroundCache();
}
}
drawBackgroundCache() {
const ctx = this.bgCtx;
const sz = this.state.boxSize;
const cx = this.state.center;
const cy = this.state.center;
ctx.clearRect(0, 0, sz, sz);
ctx.beginPath();
ctx.lineWidth = 1;
ctx.strokeStyle = '#606060';
for (let i = 0; i < 24; i++) {
const startRadius = (i % 2 === 0) ? sz / 2 * 0.1 : sz / 2 * 0.3;
const pStart = this.getPoint(i * 15, startRadius);
const pEnd = this.getPoint(i * 15, sz / 2 * 0.9);
ctx.moveTo(pStart.x, pStart.y);
ctx.lineTo(pEnd.x, pEnd.y);
}
ctx.stroke();
if (this.mapImage.complete && this.mapImage.naturalHeight !== 0) {
ctx.drawImage(this.mapImage, 0, 0, sz, sz);
}
ctx.lineWidth = 8;
ctx.strokeStyle = 'orange';
if (this.state.azRange > 360) {
const startRad = (270 + this.state.azShift) * Math.PI / 180;
const stopRad = (270 + this.state.azShift + this.state.azRange - 360) * Math.PI / 180;
ctx.beginPath();
ctx.arc(cx, cy, sz / 2 * 0.9 - 8, startRad, stopRad);
ctx.stroke();
}
ctx.beginPath();
const startArc = this.state.elevation === 0 ? 0 : Math.PI;
ctx.arc(cx, cy, sz / 2 * 0.9, startArc, 2 * Math.PI);
ctx.lineWidth = 2;
ctx.strokeStyle = '#c0c0c0';
ctx.font = "16px Arial";
ctx.textAlign = 'center';
ctx.textBaseline = 'middle';
ctx.fillStyle = "#808080";
const maxTick = this.state.elevation === 0 ? 35 : 18;
const offset = this.state.elevation === 0 ? 0 : 270;
for (let i = 0; i <= maxTick; i++) {
const angle = i * 10 + offset;
if (i % 9 !== 0) {
const p1 = this.getPoint(angle, sz / 2 * 0.95);
const p2 = this.getPoint(angle, sz / 2 * 0.9);
ctx.moveTo(p1.x, p1.y);
ctx.lineTo(p2.x, p2.y);
}
if (i % 3 === 0 && i % 9 !== 0) {
const pt = this.getPoint(angle, sz / 2);
ctx.fillText(i * 10, pt.x, pt.y);
}
}
if (this.state.elevation === 0) {
ctx.fillStyle = "white";
ctx.fillText("N", cx, sz * 0.025);
ctx.fillText("E", sz * 0.975, cy);
ctx.fillText("S", cx, sz * 0.975);
ctx.fillText("W", sz * 0.025, cy);
}
ctx.stroke();
if (this.state.azRange < 360) {
ctx.beginPath();
ctx.lineWidth = 1;
ctx.strokeStyle = 'white';
const p1 = this.getPoint(this.state.azShift, sz / 2 * 0.9);
const p2 = this.getPoint(this.state.azShift + this.state.azRange, sz / 2 * 0.9);
ctx.moveTo(cx, cy); ctx.lineTo(p1.x, p1.y);
ctx.moveTo(cx, cy); ctx.lineTo(p2.x, p2.y);
ctx.stroke();
if (this.state.azRange + this.state.antRadiationAngle < 360) {
ctx.beginPath();
ctx.fillStyle = "rgba(0, 0, 0, 0.5)";
const darkRange = 360 - this.state.azRange - this.state.antRadiationAngle;
const steps = (darkRange - 20) / 10;
const startAngle = this.state.azShift + this.state.azRange + this.state.antRadiationAngle / 2;
const startPt = this.getPoint(startAngle, sz / 2 * 0.9);
ctx.moveTo(cx, cy);
ctx.lineTo(startPt.x, startPt.y);
for (let i = 0; i < steps; i++) {
const pt = this.getPoint(startAngle + 10 * (i + 1), sz / 2 * 0.9);
ctx.lineTo(pt.x, pt.y);
}
const endPt = this.getPoint(this.state.azShift - this.state.antRadiationAngle / 2, sz / 2 * 0.9);
ctx.lineTo(endPt.x, endPt.y);
ctx.fill();
}
}
this.render();
}
render() {
const ctx = this.ctx;
const sz = this.state.boxSize;
const cx = this.state.center;
const cy = this.state.center;
const { azShift, azRange, azimuth, status, antRadiationAngle, targetAngle } = this.state;
ctx.clearRect(0, 0, sz, sz);
ctx.drawImage(this.bgCanvas, 0, 0);
const isOffline = !this.state.online;
if (isOffline) {
// Grey overlay
ctx.beginPath();
ctx.arc(cx, cy, sz / 2 * 0.9, 0, 2 * Math.PI);
ctx.fillStyle = 'rgba(0, 0, 0, 0.6)';
ctx.fill();
// OFFLINE label
ctx.font = 'bold 50px Arial';
ctx.textAlign = 'center';
ctx.textBaseline = 'middle';
ctx.fillStyle = '#666';
ctx.fillText('OFFLINE', cx, cy);
return;
}
// Setpoint line (only while turning)
if (targetAngle != null && status !== 4) {
ctx.beginPath();
ctx.lineWidth = 2;
ctx.strokeStyle = 'red';
const pt = this.getPoint(targetAngle, sz / 2 * 0.9);
ctx.moveTo(cx, cy);
ctx.lineTo(pt.x, pt.y);
ctx.stroke();
}
// Pointer
ctx.beginPath();
ctx.lineWidth = 5;
const isOutOfRange = azimuth < 0 || azimuth > azRange;
if (isOutOfRange) ctx.strokeStyle = '#c0c0c0';
else if (status !== 4) ctx.strokeStyle = "red";
else if (azimuth > 359) ctx.strokeStyle = "orange";
else ctx.strokeStyle = '#00aa00';
const displayAngle = azimuth + azShift;
const pStart = this.getPoint(displayAngle, sz / 2 * 0.9);
const pEnd = this.getPoint(displayAngle, sz / 2 * 0.7);
ctx.moveTo(pStart.x, pStart.y);
ctx.lineTo(pEnd.x, pEnd.y);
ctx.stroke();
if (status !== 4) {
ctx.beginPath();
ctx.fillStyle = "red";
const offset = status < 4 ? -6 : 6;
const a1 = this.getPoint(displayAngle + offset / 2, sz / 2 * 0.85);
const a2 = this.getPoint(displayAngle + offset / 2, sz / 2 * 0.75);
const a3 = this.getPoint(displayAngle + offset * 1.3, sz / 2 * 0.8);
ctx.moveTo(a1.x, a1.y); ctx.lineTo(a2.x, a2.y); ctx.lineTo(a3.x, a3.y);
const b1 = this.getPoint(displayAngle + offset * 1.5, sz / 2 * 0.83);
const b2 = this.getPoint(displayAngle + offset * 1.5, sz / 2 * 0.77);
const b3 = this.getPoint(displayAngle + offset * 2, sz / 2 * 0.8);
ctx.moveTo(b1.x, b1.y); ctx.lineTo(b2.x, b2.y); ctx.lineTo(b3.x, b3.y);
ctx.fill();
}
ctx.font = "bold 70px Arial";
ctx.textAlign = 'center';
ctx.textBaseline = 'middle';
let textAngle = this.state.elevation === 0 ? azimuth + azShift : azimuth;
if (textAngle > 359) textAngle -= 360;
const textLoc = this.getPoint(displayAngle + 180, sz * 0.2);
if (isOutOfRange) {
ctx.font = "bold 22px Arial";
ctx.fillStyle = '#c0c0c0';
ctx.fillText(azimuth < 0 ? "CCW endstop zone" : "CW endstop zone", textLoc.x, textLoc.y);
} else {
ctx.fillStyle = "black";
ctx.fillText(`${textAngle}\u00B0`, textLoc.x + 3, textLoc.y + 3);
if (status !== 4) ctx.fillStyle = "red";
else if (azimuth > 359) ctx.fillStyle = "orange";
else ctx.fillStyle = "green";
ctx.fillText(`${textAngle}\u00B0`, textLoc.x, textLoc.y);
}
ctx.beginPath();
ctx.moveTo(cx, cy);
const ccwAngle = antRadiationAngle / 2;
for (let i = 0; i <= 16; i++) {
const pt = this.getPoint(displayAngle - ccwAngle + (antRadiationAngle / 16) * i, sz / 2 * 0.9);
ctx.lineTo(pt.x, pt.y);
}
if (isOutOfRange) ctx.fillStyle = "rgba(255, 255, 255, 0.10)";
else if (status !== 4) ctx.fillStyle = "rgba(255, 0, 0, 0.25)";
else if (azimuth > 359) ctx.fillStyle = "rgba(255, 165, 0, 0.25)";
else ctx.fillStyle = "rgba(255, 255, 255, 0.25)";
ctx.fill();
}
}
class RotatorUI {
constructor(label, container, state) {
this.state = state;
this.label = label;
const card = document.createElement('div');
card.className = 'rotator-card';
this.nameEl = document.createElement('p');
this.nameEl.className = 'rotator-label';
this.nameEl.textContent = label;
card.appendChild(this.nameEl);
this.bandsEl = document.createElement('p');
this.bandsEl.className = 'rotator-bands';
card.appendChild(this.bandsEl);
const canvas = document.createElement('canvas');
canvas.width = state.boxSize;
canvas.height = state.boxSize;
card.appendChild(canvas);
const infoPanel = document.createElement('div');
infoPanel.className = 'info-panel';
infoPanel.innerHTML = `
<p class="status-bar">
<span class="status-wrapper">
POE <span class="adc text-white text-bold">0</span> V |
raw <span class="az text-bold">0</span>&deg;
<span class="online text-muted"></span>
</span>
</p>
<p class="turned-by">Last turned by: <span class="source">-</span></p>
`;
card.appendChild(infoPanel);
container.appendChild(card);
this.els = {
adc: infoPanel.querySelector('.adc'),
az: infoPanel.querySelector('.az'),
online: infoPanel.querySelector('.online'),
turnedBy: infoPanel.querySelector('.turned-by .source'),
};
this.renderer = new RotatorRenderer(canvas, state);
canvas.addEventListener("click", (evt) => {
const rect = canvas.getBoundingClientRect();
const x = evt.clientX - rect.left;
const y = evt.clientY - rect.top;
let angle = Math.atan2(state.center - y, x - state.center) * 180 / Math.PI;
angle = Math.round((90 - angle + 360) % 360);
state.targetAngle = angle;
this.renderer.render();
fetch(`/turn/${encodeURIComponent(label)}`, {
method: 'POST',
headers: { 'Content-type': 'application/x-www-form-urlencoded' },
body: `ROT=${angle}`
}).catch(() => {});
});
}
updateStatic() {
this.nameEl.textContent = this.state.antName || this.label;
this.bandsEl.textContent = this.state.bands.length
? this.state.bands.map(b => b + " MHz").join(", ")
: "";
this.renderer.updateMap(this.state.mapUrl);
}
updateDynamic() {
const adcFormatted = Math.round(this.state.adc * 10) / 10;
if (this.state.adc < 11.5) {
this.els.adc.innerHTML = `<span class="text-red">${adcFormatted}</span>`;
} else {
this.els.adc.innerText = adcFormatted;
}
this.els.az.innerText = this.state.azimuth;
this.els.online.innerHTML = this.state.online
? " | <span class=\"text-white\">&bull;</span> Connected"
: " | <span class=\"text-red\">&bull;</span> Offline";
}
updateTurnedBy(sourceIp, targetAz) {
this.els.turnedBy.textContent = `${sourceIp} \u2192 ${targetAz}\u00B0`;
}
}
class RotatorApp {
constructor() {
this.rotators = {};
this.container = document.getElementById('rotators');
this.websocket = null;
}
async initialize() {
const initState = await this.startWs();
for (const [label, clientState] of Object.entries(initState)) {
const state = new RotatorState();
if (clientState.initData) {
for (const [key, value] of Object.entries(clientState.initData)) {
state[key] = value;
}
}
state.bands = clientState.bands || [];
const ui = new RotatorUI(label, this.container, state);
ui.updateStatic();
if (clientState.setpoint) {
state.targetAngle = clientState.setpoint.targetAz;
ui.updateTurnedBy(clientState.setpoint.sourceIp, clientState.setpoint.targetAz);
}
this.rotators[label] = { state, ui };
}
document.title = Object.values(this.rotators)
.map(r => r.state.antName || "Rotator")
.join(" / ");
}
async startWs() {
return new Promise((resolve) => {
this.websocket = new WebSocket(document.location.href.replace(/\/?$/, '/') + "ws");
let resolved = false;
this.websocket.addEventListener("message", (e) => {
if (!e || !e.data) return;
const parsed = JSON.parse(e.data);
if (!parsed || !parsed.data) return;
const data = parsed.data;
if (!resolved) {
resolved = true;
resolve(data);
return;
}
for (const [label, rotData] of Object.entries(data)) {
const rot = this.rotators[label];
if (!rot) continue;
if (rotData.dynamic) {
const { azimuth, status, adc, online } = rotData.dynamic;
let needsRender = rot.state.azimuth !== azimuth
|| rot.state.status !== status
|| rot.state.online !== online;
rot.state.adc = adc;
rot.state.azimuth = azimuth;
rot.state.status = status;
rot.state.online = online;
if (needsRender) rot.ui.renderer.render();
rot.ui.updateDynamic();
}
if (rotData.turnedBy) {
rot.state.targetAngle = rotData.targetAz;
rot.ui.renderer.render();
rot.ui.updateTurnedBy(rotData.turnedBy, rotData.targetAz);
}
}
});
setInterval(() => {
this.websocket.send(JSON.stringify({ ping: 1 }));
}, 2000);
});
}
}
document.addEventListener("DOMContentLoaded", () => {
const app = new RotatorApp();
app.initialize();
});
</script>
</body>
</html>