WebUIApp/_client.html at main · starfactorypixel/WebUIApp · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>UDP Pixel Viewer</title>
  <style>
	canvas {
		border: 1px solid black;
	}

	.params {
		display: grid;
		width: 308px;
	}

	.params input {
		width: 64px;
	}

	ui-element
	{
		  display: inline-block;
		border: 1px solid black;
		padding: 12px;
	}
  </style>
</head>
<body>

<textarea id="brightness" rows="20" cols="100"></textarea><br><br>

speed: <input type="text" id="speed" /><br>
voltage: <input type="text" id="voltage" /><br>

<button onclick="btn();">Подпись</button>
<button onclick="btn2();">Одпись</button>


<div class="ui-elements">
	<ui-element type="button" id="0x0164" config='{"name":"Out 1 [${value}]", "type": "uint8", "scale": 1}'></ui-element>
	<ui-element type="button" id="0x0165" config='{"name":"Out 2 [${value}]", "type": "uint8", "scale": 1}'></ui-element>
	<ui-element type="button" id="0x0166" config='{"name":"Out 3 [${value}]", "type": "uint8", "scale": 1}'></ui-element>
	<ui-element type="button" id="0x0167" config='{"name":"Out 4 [${value}]", "type": "uint8", "scale": 1}'></ui-element>
	<ui-element type="button" id="0x0168" config='{"name":"Out 5 [${value}]", "type": "uint8", "scale": 1}'></ui-element>
	<ui-element type="button" id="0x0169" config='{"name":"Out 6 ${icon1}", "type": "uint8", "scale": 1}'></ui-element>
	<ui-element type="button" id="0x016A" config='{"name":"Out 7 [${value}]", "type": "uint8", "scale": 1}'></ui-element>
	<ui-element type="button" id="0x016B" config='{"name":"POut 1 [${value}]", "type": "uint8", "scale": 1}'></ui-element>
	<br>
	<ui-element type="value" id="0x0110" config='{"name":"Speed: ${value:%02d}Kmh", "type": "uint16", "scale": 10}'></ui-element>
	<ui-element type="value" id="0x0112" config='{"name":"Voltage: ${value:%04.1f}V", "type": "uint16", "scale": 10}'></ui-element>
	<ui-element type="value" id="0x0114" config='{"name":"Current: ${value:%+5.1f}A", "type": "int16", "scale": 10}'></ui-element>
	<ui-element type="value" id="0x0116" config='{"name":"Power: ${value:%+5d}W", "type": "int16", "scale": 1}'></ui-element>
	<br>

</div>


<script>


class UiElement extends HTMLElement {
  connectedCallback() {
    console.log("Mounted UI element:", this.getAttribute("config"));
  }
}
customElements.define("ui-element", UiElement);


	const brightnessInput = document.getElementById('brightness');

	const speed = document.getElementById('speed');
	const voltage = document.getElementById('voltage');


	const socket = new WebSocket('ws://localhost:8080');
	socket.onopen = function(event)
	{
		console.log("WS: Соединение установлено:", event.target.url);

		//GetMode('RGB');
		//GetMode('W1');
		//GetMode('W2');
		WSOnOpenEvent();
	};
	socket.onmessage = (message) =>
	{
		let msg;
		try {
			msg = JSON.parse(message.data);
		} catch (err) {
			console.error('Ошибка JSON:', err);
			return;
		}

		console.log(msg);

		switch(msg.id)
		{
			case 0x0110:
				speed.value = readNumberFromArray(msg.data, 1, 'uint16', true) / 10;
				break;

			case 0x018C:
				voltage.value = readNumberFromArray(msg.data, 1, 'uint16', true) / 10.0;
				break;

			default:
				break;
		}

		SetUIValue(msg.id, msg.data);
	};


	function SendData(type, id, bytes)
	{
		if(!Number.isInteger(type))
			throw new TypeError('SendRaw: type param must be an Int');
		if(!Number.isInteger(id))
			throw new TypeError('SendRaw: id param must be an Int');
		if(!Array.isArray(bytes))
			throw new TypeError('SendRaw: bytes param must be an Array');

		const packet =
		{
			cmd: "Raw",
			type: type,
			id: id,
			bytes: bytes
		};
		socket.send( JSON.stringify(packet) );
	}


	function Pixel_Subscribe(params)
	{
		if(!Array.isArray(params))
			throw new TypeError('Pixel_Subscribe: params must be an Array');

		let obj =
		{
			cmd: "CANIDSub",
			data: params
		};

		socket.send( JSON.stringify(obj) );
	}

	function Pixel_Unsubscribe(params)
	{
		if(!Array.isArray(params))
			throw new TypeError('Pixel_Unsubscribe: params must be an Array');

		let obj =
		{
			cmd: "CANIDUnsub",
			data: params
		};

		socket.send( JSON.stringify(obj) );
	}


	function btn()
	{
		Pixel_Subscribe([0x0110, 0x018C, 0x0188]);
	}

	function btn2()
	{
		Pixel_Unsubscribe([0x0110, 0x018C, 0x0188]);
	}


/**
 * Чтение числа из обычного массива JS через DataView
 * @param {number[]} arr - обычный JS массив чисел 0-255
 * @param {number} offset - смещение в байтах
 * @param {'int8'|'uint8'|'int16'|'uint16'|'int32'|'uint32'|'float32'|'float64'} type
 * @param {boolean} [littleEndian=false]
 */
function readNumberFromArray(arr, offset, type, littleEndian = false)
{
	if(arr.length <= offset) return null;
  // превращаем массив в Uint8Array
  const u8 = new Uint8Array(arr);
  const view = new DataView(u8.buffer);

  switch (type) {
    case 'int8': return view.getInt8(offset);
    case 'uint8': return view.getUint8(offset);
    case 'int16': return view.getInt16(offset, littleEndian);
    case 'uint16': return view.getUint16(offset, littleEndian);
    case 'int32': return view.getInt32(offset, littleEndian);
    case 'uint32': return view.getUint32(offset, littleEndian);
    case 'float32': return view.getFloat32(offset, littleEndian);
    case 'float64': return view.getFloat64(offset, littleEndian);
    default: throw new Error('Unknown type: ' + type);
  }
}


function WSOnOpenEvent()
{

document.querySelectorAll('ui-element').forEach((obj, index) =>
{
	switch( obj.getAttribute('type') )
	{
		case 'button':
		{
			let button = document.createElement('button');
			//button.innerHTML = '***';
			button.addEventListener('click', () =>
			{
				//obj.dataset.next_click = !obj.dataset.next_click;
				SendData(0x15, parseInt(obj.getAttribute('id'), 16), [0x02]);
			});


			obj.appendChild(button);

			SetUIValue(parseInt(obj.getAttribute('id'), 16));

			Pixel_Subscribe( [parseInt(obj.getAttribute('id'), 16)] );


			break;
		}

		case 'value':
		{
			let el = document.createElement('div');
			el.innerHTML = "load";

			obj.appendChild(el);
			Pixel_Subscribe( [parseInt(obj.getAttribute('id'), 16)] );

			break;
		}
	}
});

};


// id - int число
// rx_data - массив принятых байт
function SetUIValue(id, rx_data = [])
{
	let obj = document.querySelector(`ui-element[id="${toHex4(id)}"]`);
	if(obj !== null)
	{
		let config = JSON.parse(obj.getAttribute('config'));
		let value = readNumberFromArray(rx_data, 1, config.type, true);
		let value_scaled = value / config.scale;
		let data = { value: value, value_scaled: value_scaled, icon1: icon1(value) };

		switch( obj.getAttribute('type') )
		{
			case 'button':
			{
				//obj.querySelector('button').innerHTML = config.name.replace(/%(\w+)%/g, (_, key) => data[key]);
				obj.querySelector('button').innerHTML = sprintfNamed(config.name, data);

				break;
			}

			case 'value':
			{
				//obj.querySelector('div').innerHTML = config.name.replace(/%(\w+)%/g, (_, key) => data[key]);
				obj.querySelector('div').innerHTML = sprintfNamed(config.name, data);

				break;
			}
		}
	};
}

function icon1(value)
{
	if(value === null) return '🟡';
	if(value === 0) return '🔴';
	return '🟢';
}


function toHex4(n) {
  return "0x" + n.toString(16).toUpperCase().padStart(4, "0");
}

function sprintfNamed(str, data) {
  return str.replace(/\$\{(\w+)(?::([^}]+))?\}/g, (_, key, format) => {
    let value = data[key];
    if (value == null) return "";

    if (!format) return value;

    // ---- printf-подобный разбор ----
    const match = format.match(/%([ +]?)(0?)([0-9]*)(?:\.([0-9]+))?([dfsxX])/);

    if (!match) return value;

    let [, signFlag, zeroPad, width, precision, type] = match;

    // ---- Тип ----
    switch (type) {
      case "d": // integer
        value = parseInt(value);
        break;

      case "f": // float
        value = Number(value).toFixed(precision ? Number(precision) : 0);
        break;

      case "x": // hex lower
        value = Number(value).toString(16);
        break;

      case "X": // hex upper
        value = Number(value).toString(16).toUpperCase();
        break;

      case "s":
        value = String(value);
        break;
    }

    // ---- Обработка знака ----
    if (signFlag === "+" && value >= 0) {
      value = "+" + value;
    }
    else if (signFlag === " " && value >= 0) {
      value = " " + value;
    }

    // ---- Дополнение нулями ----
    if (width) {
      const padChar = zeroPad ? "0" : " ";
      value = value.toString().padStart(Number(width), padChar);
    }

    return value;
  });
}


</script>

</body>
</html>