Mercurial > libervia-templates
view default/static/common.js @ 143:a37d535b7ddd
login/logged.html: show a different message when user is guest + show how long the session has been run for
author | Goffi <goffi@goffi.org> |
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date | Fri, 01 Jun 2018 18:34:26 +0200 |
parents | caab77328b1c |
children |
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var __session_storage_available; var __local_storage_available; function storageAvailable(type) { /* check if session or local storage is available * * @param type(string): "session" or "storage" * @return (boolean): true if requested storage is available */ console.assert(type == 'session' || type == 'storage', "bad storage type (%s)", type); const var_name = '__' + type + '_storage_available'; var available = window[var_name]; if (available === undefined) { // test method from https://developer.mozilla.org/en-US/docs/Web/API/Web_Storage_API/Using_the_Web_Storage_API var storage = window[type + 'Storage']; try { x = '__storage_test__'; storage.setItem(x, x); storage.removeItem(x); available = true; } catch(e) { available = e instanceof DOMException && ( // everything except Firefox e.code === 22 || // Firefox e.code === 1014 || // test name field too, because code might not be present // everything except Firefox e.name === 'QuotaExceededError' || // Firefox e.name === 'NS_ERROR_DOM_QUOTA_REACHED') && // acknowledge QuotaExceededError only if there's something already stored storage.length !== 0; } if (!available) { console.warn("%s storage not available", type); } window[var_name] = available; } return available; } function toggle_clicked_class_tag(tag_name, class_name='clicked') { for (let elt of document.getElementsByTagName(tag_name)) { elt.classList.toggle(class_name); } } function toggle_clicked_class_sel(selectors, class_name='clicked') { for (let elt of document.querySelectorAll(selectors)) { elt.classList.toggle(class_name); } } function set_clicked_class_id(trigger_elem_id, target_elem_id=null, class_name='clicked') { if (target_elem_id === null) { target_elem_id = trigger_elem_id; } document.getElementById(trigger_elem_id).addEventListener( "click", function() { document.getElementById(target_elem_id).classList.toggle(class_name); } ); } function get_elt(arg) { if (typeof arg === 'string') { // we should have an id return document.getElementById(arg); } else { // we should have an element return arg; } } function clicked_cls(elt) { /* toggle "clicked" class on each click, and remove "init" class if present */ // init if (elt.classList.contains("init")) { elt.classList.remove("init"); } // clicked elt.classList.toggle("clicked"); } function clicked_mh_fix(arg) { /* toggle clicked, and fix max-height on transitionend * * needed to workaround transition issue with max-height:none * inspired from https://css-tricks.com/using-css-transitions-auto-dimensions, * thanks to Brandon Smith * * @param arg: element to toggle (id as string, or element itself) * */ elt = get_elt(arg); if (!elt.classList.contains("clicked")) { /* expand */ var fix_expand = function(event) { elt.removeEventListener("transitionend", fix_expand, false); if (elt.classList.contains("clicked")) { /* if event is clicked quicker than transition time, * this callback can be called on reduce */ elt.style.maxHeight = "none"; } }; elt.setAttribute('max_height_init', elt.clientHeight); elt.addEventListener("transitionend", fix_expand, false); clicked_cls(elt); elt.style.maxHeight = elt.scrollHeight + 'px'; } else { /* reduce */ var transition_save = elt.style.transition; elt.style.transition = ''; requestAnimationFrame(function() { elt.style.maxHeight = elt.scrollHeight + 'px'; elt.style.transition = transition_save; requestAnimationFrame(function() { elt.style.maxHeight = elt.getAttribute('max_height_init') + 'px'; elt.removeAttribute('max_height_init'); elt.style.maxHeight = null; }); }); clicked_cls(elt); } }