ESPTerm web interface submodule, separated to make testing and development easier
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espterm-front-end/js/appcommon.js

165 lines
4.2 KiB

const $ = require('./lib/chibi')
const { mk, qs } = require('./utils')
const modal = require('./modal')
const notify = require('./notif')
/**
* Filter 'spacebar' and 'return' from keypress handler,
* and when they're pressed, fire the callback.
* use $(...).on('keypress', cr(handler))
*/
function cr (hdl) {
return function (e) {
if (e.which === 10 || e.which === 13 || e.which === 32) {
hdl()
}
}
}
/** Global generic init */
$.ready(function () {
// Checkbox UI (checkbox CSS and hidden input with int value)
$('.Row.checkbox').forEach(function (x) {
let inp = x.querySelector('input')
let box = x.querySelector('.box')
$(box).toggleClass('checked', inp.value)
let hdl = function () {
inp.value = 1 - inp.value
$(box).toggleClass('checked', inp.value)
}
$(x).on('click', hdl).on('keypress', cr(hdl))
})
// Expanding boxes on mobile
$('.Box.mobcol,.Box.fold').forEach(function (x) {
let h = x.querySelector('h2')
let hdl = function () {
$(x).toggleClass('expanded')
}
$(h).on('click', hdl).on('keypress', cr(hdl))
})
$('form').forEach(function (x) {
$(x).on('keypress', function (e) {
if ((e.keyCode === 10 || e.keyCode === 13) && e.ctrlKey) {
x.submit()
}
})
})
// loader dots...
setInterval(function () {
$('.anim-dots').each(function (x) {
let $x = $(x)
let dots = $x.html() + '.'
if (dots.length === 5) dots = '.'
$x.html(dots)
})
}, 1000)
// flipping number boxes with the mouse wheel
$('input[type=number]').on('mousewheel', function (e) {
let $this = $(this)
let val = +$this.val()
if (isNaN(val)) val = 1
const step = +($this.attr('step') || 1)
const min = +$this.attr('min')
const max = +$this.attr('max')
if (e.wheelDelta > 0) {
val += step
} else {
val -= step
}
if (!Number.isFinite(min)) val = Math.max(val, +min)
if (!Number.isFinite(max)) val = Math.min(val, +max)
$this.val(val)
if ('createEvent' in document) {
let evt = document.createEvent('HTMLEvents')
evt.initEvent('change', false, true)
$this[0].dispatchEvent(evt)
} else {
$this[0].fireEvent('onchange')
}
e.preventDefault()
})
// populate the form errors box from GET arg ?err=...
// (a way to pass errors back from server via redirect)
let errAt = window.location.search.indexOf('err=')
if (errAt !== -1 && qs('.Box.errors')) {
let errs = window.location.search.substr(errAt + 4).split(',')
let humanReadableErrors = []
errs.forEach(function (er) {
let lbl = qs('label[for="' + er + '"]')
if (lbl) {
lbl.classList.add('error')
humanReadableErrors.push(lbl.childNodes[0].textContent.trim().replace(/: ?$/, ''))
}
// else {
// hres.push(er)
// }
})
qs('.Box.errors .list').innerHTML = humanReadableErrors.join(', ')
qs('.Box.errors').classList.remove('hidden')
}
modal.init()
notify.init()
// remove tabindices from h2 if wide
if (window.innerWidth > 550) {
$('.Box h2').forEach(function (x) {
x.removeAttribute('tabindex')
})
// brand works as a link back to term in widescreen mode
let br = qs('#brand')
br && br.addEventListener('click', function () {
window.location.href = '/' // go to terminal
})
}
})
// setup the ajax loader
$._loader = function (vis) {
$('#loader').toggleClass('show', vis)
}
let pageShown = false
// reveal content on load
function showPage () {
pageShown = true
$('#content').addClass('load')
}
// HACKITY HACK: fix this later
window.showPage = showPage
// Auto reveal pages other than the terminal (sets window.noAutoShow)
$.ready(function () {
if (window.noAutoShow === true) {
setTimeout(function () {
if (!pageShown) {
let bnr = mk('P')
bnr.id = 'load-failed'
bnr.innerHTML =
'Server connection failed! Trying again' +
'<span class="anim-dots" style="width:1.5em;text-align:left;display:inline-block">.</span>'
qs('#screen').appendChild(bnr)
showPage()
}
}, 2000)
} else {
setTimeout(function () {
showPage()
}, 1)
}
})