83 lines
2.1 KiB
JavaScript
83 lines
2.1 KiB
JavaScript
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import { sendCommand, setEndpoint, testEndpoint } from './utils.js'
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/**
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* Handler for settings form.
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*
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* @param {Event} event Settings form submit event.
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* @returns {Promise<void>}
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*/
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export async function settingsHandler(event) {
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// Don't interrupt event if not form submitting
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if (!(event instanceof SubmitEvent)) return true
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if (event.target === null) return true
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// Disable form sending
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event.preventDefault()
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const form = new FormData(event.target)
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const ipAddress = form.get('ip-address')
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if (ipAddress === null) return
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const endpoint = `http://${ipAddress}`
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await testEndpoint(endpoint)
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setEndpoint(endpoint)
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}
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/**
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* Attach command to touch controls buttons.
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*
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* @this HTMLButtonElement
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* @returns {Promise<void>}
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*/
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export function controlButtonHandler() {
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const { command, value } = this.dataset
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// Check datas are set for button
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if (command === undefined || value === undefined) {
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alert(`Pas de command ou de valeur assigné au bouton "${this.title}"`)
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throw new Error(`no command or value assigned to ${this.title}`)
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}
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// Check command is valid
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if (!['forward', 'backward', 'left', 'right', 'stop'].includes(command)) {
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alert(
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`La command "${command}" n'est pas valide en tant que ('forward', 'backward', 'left', 'right', 'stop')`
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)
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throw new Error(
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`specified command "${command}" is not in ['forward', 'backward', 'left', 'right', 'stop']`
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)
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}
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// Check value is valid finite number
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if (!Number.isFinite(Number(value))) {
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alert(`La valeur "${value}" n'est convertible en entier fini`)
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throw new Error(`value "${value}" cannot be casted to finite integer`)
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}
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sendCommand(command, Number(value))
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}
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/**
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* Handler for keyboard events.
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*
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* @param {KeyboardEvent} event Keyboard event.
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* @returns {Promise<void>}
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*/
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export function keyboardHandler({ code }) {
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if (code === 'ArrowUp') {
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return sendCommand('forward', 2)
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}
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if (code === 'ArrowDown') {
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return sendCommand('backward', 2)
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}
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if (code === 'ArrowLeft') {
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return sendCommand('left', 5)
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}
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if (code === 'ArrowRight') {
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return sendCommand('right', 5)
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}
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if (code === 'Space') {
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return sendCommand('stop', 0)
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}
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}
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