fradrive/templates/standalone/alerts.julius

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(function() {
'use strict';
window.utils = window.utils || {};
var ALERT_INVISIBLE_CLASS = 'alert--invisible';
var TOGGLER_INVISIBLE_CLASS = 'alerts__toggler--visible';
var ALERT_AUTO_DISAPPEAR_DELAY = 10;
var alertsShowingToggler = false;
window.utils.alerts = function(alertsEl) {
var toggler = alertsEl.querySelector('.alerts__toggler');
function makeToggler() {
toggler = document.createElement('DIV');
toggler.classList.add('alerts__toggler');
toggler.addEventListener('click', function() {
Array.from(alertsEl.querySelectorAll('.alert')).forEach(function(alert) {
alert.classList.remove(ALERT_INVISIBLE_CLASS);
toggler.classList.remove(TOGGLER_INVISIBLE_CLASS);
});
checkToggler();
});
alertsEl.appendChild(toggler);
alertsEl.classList.add('js-initialized');
}
function makeAlert(alertEl) {
var iconEl = document.createElement('DIV');
var closeEl = document.createElement('DIV');
var dataDecay = alertEl.dataset.decay;
var autoDecay = ALERT_AUTO_DISAPPEAR_DELAY;
if (dataDecay) {
autoDecay = parseInt(dataDecay, 10);
}
iconEl.classList.add('alert__icon');
closeEl.classList.add('alert__close');
closeEl.addEventListener('click', function(event) {
closeAlert(alertEl);
});
alertEl.insertBefore(iconEl, alertEl.children[0]);
alertEl.insertBefore(closeEl, alertEl.children[0]);
// auto-hide info and success-alerts after 3 seconds
if (autoDecay > 0 && !alertEl.matches('.alert-warning, .alert-error')) {
window.setTimeout(function() {
closeAlert(alertEl);
}, autoDecay * 1000);
}
alertEl.classList.add('js-initialized');
}
function closeAlert(alertEl) {
alertEl.classList.add(ALERT_INVISIBLE_CLASS);
checkToggler();
}
function checkToggler() {
var hidden = true;
Array.from(alertsEl.querySelectorAll('.alert')).forEach(function(alert) {
if (hidden && !alert.classList.contains(ALERT_INVISIBLE_CLASS)) {
hidden = false;
}
});
if (!alertsShowingToggler) {
alertsShowingToggler = true;
window.setTimeout(function() {
toggler.classList.toggle(TOGGLER_INVISIBLE_CLASS, hidden);
alertsShowingToggler = false;
}, 120);
}
}
if (!alertsEl.classList.contains('js-initialized') || !toggler)
makeToggler();
Array.from(alertsEl.querySelectorAll('.alert:not(.js-initialized)')).map(makeAlert);
}
})();
document.addEventListener('setup', function(e) {
if (e.detail.module && e.detail.module !== 'alerts')
return;
// setup alerts
if (e.detail.scope.classList.contains('alerts')) {
window.utils.alerts(e.detail.scope);
} else {
var alertsEl = e.detail.scope.querySelector('.alerts');
if (alertsEl)
window.utils.alerts(alertsEl);
}
});
document.addEventListener('DOMContentLoaded', function() {
document.dispatchEvent(new CustomEvent('setup', { detail: { scope: document.body, module: 'alerts' }, bubbles: true, cancelable: true }))
});