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global-custom-nav.js
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global-custom-nav.js
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/**
// @name CanvasLMS - Global Custom Navigation
// @namespace https://github.com/robert-carroll/canvaslms-global-custom-navigation
// @description one global nav tool, maybe?
//
**/
(function () {
// handle css, if you aren't adding .css to themes
if (document.querySelectorAll('[data-global-custom-nav-css="set"]').length == 0) {
let styles = {
// for item icons
'i.gcn_inst_menu_icon:before': 'font-size: 1.625rem;',
'i.gcn_inst_rspv_icon': 'color: var(--ic-brand-primary);',
// for trays
'div.gcn_tray-content': 'display: block !important;',
'div.gcn_tray-open': 'display: block !important;',
'svg.gcn_tray-closed': 'display: none !important;',
'svg.gcn_tray-aodown': 'fill: currentcolor; display: inline-block; overflow: visible; color: inherit; vertical-align: middle; line-height: 1; width: 1em; height: 1em;',
".gcn_tray-wrapper": "transform: translateZ(0px); transition: 0.5s; opacity: 1; background-color: #FFFFFF; max-height: 100vh; max-width: 100vw; overflow: hidden auto; position: fixed; box-shadow: 0 0.375rem 0.4375rem rgba(0, 0, 0, 0.1), 0 0.625rem 1.75rem rgba(0, 0, 0, 0.25); top: 0; bottom: 0; width: 28em;",
"[dir='ltr'] .gcn_tray-wrapper": "left: -28em; right: auto;",
"[dir='rtl'] .gcn_tray-wrapper": "right: -28em; left: auto;",
"[dir='ltr'] .gcn_tray-wrapper.gcn_open": "left: 0; right: auto;",
"[dir='rtl'] .gcn_tray-wrapper.gcn_open": "right: 0; left: auto;",
".gcn_tray-close-btn-wrapper": "position: absolute; top: 0.5rem;",
"[dir='ltr'] .gcn_tray-close-btn-wrapper": "left: auto; right: 0.5rem",
"[dir='rtl'] .gcn_tray-close-btn-wrapper": "right: auto; left: 0.5rem",
".gcn_tray-close-btn": "box-sizing: border-box; background: none; color: #2D3B45; margin: 0px; padding: 0px; border-radius: 0.25rem; outline: none; border: none; width: auto; cursor: pointer;",
".gcn_tray-close-btn:hover": "background-color: rgba(45, 59, 69, 0.1);",
".gcn_tray-close-btn::before": "position: absolute; pointer-events: none; opacity: 0; content: ''; transform: scale(0.95); transition: all 0.2s ease 0s; top: -0.3125rem; right: -0.3125rem; bottom: -0.3125rem; left: -0.3125rem; border-style: solid; border-color: var(--ic-brand-primary); border-width: 0.125rem; border-radius: 0.5rem; transform: scale(1);",
".gcn_tray-close-btn:focus::before": "opacity: 1;",
".gcn_tray-content-wrapper": "box-sizing: border-box; max-width: 100%; overflow: visible; padding: 1.5rem;",
".gcn_tray-heading": "line-height: 1.125; margin: 0px; font-size: 1.375rem; font-weight: 700; color: inherit; box-sizing: border-box; max-width: 100%; overflow: visible;",
".gcn_tray-list-group-heading": "line-height: 1.125; margin: 0px; font-size: 1rem; font-weight: 700; color: inherit; box-sizing: border-box; max-width: 100%; overflow: visible;",
".gcn_tray-view--block-list": "margin: 0.75rem 0; list-style-type: none;",
".gcn_tray-list-group-heading + .gcn_tray-view--block-list": "margin: 0.75rem;",
".gcn_tray-view-listItem": "margin-top: 0.75rem; margin-bottom: 0.75rem; padding: 0px; max-width: 100%;",
".gcn_tray-view-listItem:first-of-type": "margin-top: 0;",
".gcn_tray-view-link:focus": "outline-color: var(--ic-link-color);",
".gcn_tray-view-link": "outline-color: transparent; outline-offset: 0.25rem; outline-style: solid; outline-width: 0.125rem; transition: outline-color 0.2s ease 0s; vertical-align: baseline; max-width: 100%; overflow: visible;",
".gcn_tray-link-desc-text": "font-size: 0.875rem;",
// for callback trays and throwbacks
".gcn_tray-view-spinner": "max-width: 100%; overscroll-behavior: auto; display: inline-block; vertical-align: middle; position: relative; box-sizing: border-box; overflow: hidden; width: 3em; height: 3em;",
".gcn_tray-spinner__circle": "display: block; position: absolute; top: 0px; left: 0px; animation-name: gcn-spinner-rotate; animation-duration: 2.25s; animation-iteration-count: infinite; animation-timing-function: linear; width: 3em; height: 3em;",
".gcn_tray_throwback-spinner__circle": "display: block; animation-name: gcn-spinner-rotate; animation-duration: 2.25s; animation-iteration-count: infinite; animation-timing-function: linear; width: 3em; height: 3em;",
".gcn_tray-spinner__circleTrack": "stroke: rgb(245, 245, 245); fill: none; stroke-width: 0.375em;",
".gcn_tray-spinner__circleSpin": "fill: none; stroke-linecap: round; animation-name: gcn-spinner-morph; animation-duration: 1.75s; animation-iteration-count: infinite; animation-timing-function: ease; stroke-width: 0.375em; stroke-dasharray: 6em; transform-origin: calc(1.5em) calc(1.5em) 0px; stroke: rgb(3, 116, 181);",
"@keyframes gcn-spinner-rotate": "to { transform: rotate(360deg) }",
"@keyframes gcn-spinner-morph": "0% { stroke-dashoffset: 190%; } 50% { stroke-dashoffset: 50%; transform: rotate(90deg); } 100% { stroke-dashoffset: 190%; transform: rotate(360deg); }"
};
if (typeof styles !== 'undefined' && Object.keys(styles).length > 0) {
let style = document.createElement('style');
style.setAttribute('data-global-custom-nav-css', 'set');
document.head.appendChild(style);
let sheet = style.sheet;
Object.keys(styles).forEach(function (key) {
sheet.insertRule(`${key} { ${styles[key]} }`, sheet.cssRules.length);
});
}
}
})();
(function () {
'use strict';
// TODO context items globally applied to consortium instances, should handle a root url, and ensure active class
// continue if curious
const globalCustomNav = {
cfg: {
context_item: '',
glbl: {
nav_selector: '#menu',
tray_portal: '#nav-tray-portal',
tray_container: 'navigation-tray-container',
space: 'tray-with-space-for-global-nav',
menuItemClass: `ic-app-header__menu-list-item`,
trayActiveClass: `ic-app-header__menu-list-item--active`
},
rspv: {
tray_portal: `span[dir="${(document.querySelector('html').getAttribute('dir') ?? 'ltr')}"] div[role="dialog"] ul`,
tray_container: 'div[class$="-tray__content"]',
INSTUI_aodown: `<svg name="IconArrowOpenDown" viewBox="0 0 1920 1920" rotate="0" style="width: 1em; height: 1em;"
width="1em" height="1em" aria-hidden="true" role="presentation" focusable="false" class="gcn_tray-aodown">
<g role="presentation"><path d="M568.129648 0.0124561278L392 176.142104 1175.86412 960.130789 392 1743.87035 568.129648 1920 1528.24798 960.130789z"
fill-rule="evenodd" stroke="none" stroke-width="1" transform="matrix(0 1 1 0 .067 -.067)"></path></g></svg>`
},
targets: ['_self', '_blank', '_parent', '_top']
},
load: (opts) => {
if (!document.querySelector(globalCustomNav.cfg.glbl.nav_selector) && !document.querySelector(globalCustomNav.cfg.rspv.tray_portal)) return;
if (document.querySelector(globalCustomNav.cfg.glbl.nav_selector) !== 'undefined') {
globalCustomNav.dir = document.querySelector('html').getAttribute('dir') ?? 'ltr';
// accept nav items, or default to empty
globalCustomNav.nav_items = (opts.nav_items !== 'undefined' && Array.isArray(opts.nav_items)) ? opts.nav_items : [];
// accept throwbacks, or default to empty
globalCustomNav.throwbacks = (typeof opts.throwbacks === 'object') ? opts.throwbacks : {};
// preserve the nav item to restore active class when a tray is closed
// handle primary routes, external tools, and custom contexts
var active_context = document.querySelector(`${globalCustomNav.cfg.glbl.nav_selector} li.${globalCustomNav.cfg.glbl.trayActiveClass} a`);
if(active_context) {
globalCustomNav.cfg.context_item = active_context.id || active_context.closest('li').id;
}
globalCustomNav.prepare_nav_items(globalCustomNav.nav_items, false);
}
globalCustomNav.watch_glbl_tray();
globalCustomNav.watch_burger_tray();
},
watch_burger_tray: (_mtx, observer) => {
const portal = document.querySelector(globalCustomNav.cfg.rspv.tray_portal);
const tray_action_complete = document.querySelector('div.rspv-global-custom-nav');
if (!portal) {
if (typeof observer === 'undefined') {
const obs = new MutationObserver(globalCustomNav.watch_burger_tray);
obs.observe(document.body, {
childList: true,
subtree: true
});
}
return;
}
if (portal != null && (document.querySelector('.mobile-header-hamburger').offsetParent != null) && !tray_action_complete) {
observer.disconnect();
globalCustomNav.prepare_nav_items(globalCustomNav.nav_items, true);
document.querySelector(globalCustomNav.cfg.rspv.tray_container).classList.add('rspv-global-custom-nav');
globalCustomNav.exit_burger_tray();
}
},
exit_burger_tray: (_mtx, observer) => {
const tray_portal_open = document.querySelector(globalCustomNav.cfg.rspv.tray_portal);
if (tray_portal_open) {
globalCustomNav.rspv_tray_throwback();
if (typeof observer === 'undefined') {
const obs = new MutationObserver(globalCustomNav.exit_burger_tray);
obs.observe(document.body, {
childList: true,
subtree: true
});
}
return;
}
if (!tray_portal_open) {
observer.disconnect();
globalCustomNav.watch_burger_tray();
}
},
watch_glbl_tray: (_mtx, observer) => {
const portal = document.querySelector(globalCustomNav.cfg.glbl.tray_portal);
if (!portal) {
if (typeof observer === 'undefined') {
const obs = new MutationObserver(globalCustomNav.watch_glbl_tray);
obs.observe(document.body, {
childList: true,
});
}
return;
}
if (typeof observer !== 'undefined') {
observer.disconnect();
}
globalCustomNav.glbl_ensure_active_class(globalCustomNav.cfg.context_item);
//
const watch = new MutationObserver(globalCustomNav.exit_glbl_tray);
watch.observe(portal, {
childList: true,
subtree: true
});
},
exit_glbl_tray: (_mtx, observer) => {
const tray_portal_open = document.querySelector(`${globalCustomNav.cfg.glbl.tray_portal} div.${globalCustomNav.cfg.glbl.tray_container}`);
if (tray_portal_open) {
let ui_tray = [...tray_portal_open.classList].filter(c => c.endsWith('-tray'))[0].replace('-tray', '');
globalCustomNav.glbl_ensure_active_class(`global_nav_${ui_tray}_link`);
globalCustomNav.glbl_tray_throwback();
if (typeof observer === 'undefined') {
const obs = new MutationObserver(globalCustomNav.exit_glbl_tray);
obs.observe(document.body, {
childList: true
});
}
return;
}
if (!tray_portal_open) {
observer.disconnect();
globalCustomNav.watch_glbl_tray();
}
},
glbl_ensure_active_class: context_item => {
// if no active context is set
if(!context_item) return;
// otherwise ensure active class is restored to appropriate icon based on context
Array.from(document.querySelectorAll(`${globalCustomNav.cfg.glbl.nav_selector} .${globalCustomNav.cfg.glbl.trayActiveClass}`)).forEach(e => {
e.classList.toggle(globalCustomNav.cfg.glbl.trayActiveClass);
});
document.getElementById(context_item).closest('li').classList.add(globalCustomNav.cfg.glbl.trayActiveClass);
},
prepare_nav_items: (items, hamb = true) => {
items.forEach(item => {
// if roles for the current item are not set, the user can see it, otherwise
const user_gets_item = (typeof item.roles === 'undefined') || item.roles();
if (user_gets_item) {
globalCustomNav.create_nav_icon(item, hamb);
if (!!item.high_contrast && item.high_contrast == true) {
if(ENV.use_high_contrast != true) return;
globalCustomNav.append_high_contrast(item);
return;
}
globalCustomNav.append_item(item, hamb);
if (item.tray) {
globalCustomNav.tray(item, hamb);
}
}
});
},
create_nav_icon: (item, hamb = true) => {
// create a DOM safe string from the title for the id, or replace it with a random string if regex returns an empty string
item.tidle = item.title.replace(/[\W_]+/g,'') || Math.random().toString(18).slice(2);
item.slug = `global_nav_${item.tidle}_link`;
// clone and create the icon, consider c4e
let icon_to_copy = (ENV.K5_USER == true && hamb == true) ? 'Home' : 'Dashboard';
if (item.tray) {
icon_to_copy = 'Courses';
}
const nav_icon = hamb ? `${globalCustomNav.cfg.rspv.tray_portal} svg[name="Icon${icon_to_copy}"]` : `#global_nav_${icon_to_copy.toLowerCase()}_link`;
const nav_icon_li = document.querySelector(nav_icon).closest('li');
// handle custom high contrast logos
if (!!item.high_contrast && item.high_contrast == true) {
// get the text for the cloned nav item, global or hamb
var dashboard_icon_text = nav_icon_li.querySelector('.menu-item__text') || nav_icon_li.querySelector('span[letter-spacing="normal"]');
item.dashboard_icon_text = dashboard_icon_text.innerText;
// done here
return;
}
// continue for custom nav items
// replace contents
const icon = nav_icon_li.cloneNode(true);
icon.setAttribute('id', (hamb ? 'rspv-' : '') + `${item.slug}-item`);
icon.querySelector('svg').parentElement.classList.add((hamb ? 'rspv-' : '') + `svg-${item.tidle}-holder`);
const icon_id = (hamb ? 'rspv-' : '') + item.slug;
if (hamb && item.tray) {
// button for resp tray
icon.querySelector('button').setAttribute('id', icon_id);
icon.querySelector('button').setAttribute('aria-controls', (hamb ? 'rspv-' : '') + `${item.slug}-tray`);
icon.querySelector('div div').setAttribute('id', (hamb ? 'rspv-' : '') + `${item.slug}-tray`);
} else {
icon.querySelector('a').setAttribute('id', icon_id);
icon.querySelector('a').href = item.href;
if (typeof item.target !== 'undefined' && globalCustomNav.cfg.targets.includes(item.target)) {
icon.querySelector('a').setAttribute('target', item.target);
}
}
// get the text for the cloned nav item, global or hamb
var icon_text = icon.querySelector('.menu-item__text') || icon.querySelector('span[letter-spacing="normal"]');
// set the clones text to the item text
icon_text.textContent = item.title;
// prepare for svg
const svg_holder = icon.querySelector((hamb ? '.rspv-svg' : '.svg') + `-${item.tidle}-holder`);
icon.querySelector('svg').classList.remove('ic-icon-svg--dashboard', 'svg-icon-home');
let svg_class = [...icon.querySelector('svg').classList];
if (!hamb) {
icon.classList.remove(globalCustomNav.cfg.glbl.trayActiveClass);
}
// remove cloned svg
icon.querySelector('svg').remove();
// import svg
if (/^icon-[a-z]/.test(item.icon_svg) == true) {
// instructure icon
let instuicon = `<div id="${(hamb ? 'rspv-' : '') + `${item.slug}-svg`}" role="presentation">`;
instuicon += `<i class="icon-line ${item.icon_svg}${hamb ? ' gcn_inst_rspv_icon' : ''} gcn_inst_menu_icon"></i></div>`;
svg_holder.insertAdjacentHTML('afterbegin', instuicon);
} else if (/^https/.test(item.icon_svg)) {
// externally hosted svg, you must handle cors policies yourself
fetch(item.icon_svg, {
mode: 'cors',
method: 'GET',
headers: {
'Access-Control-Request-Method': 'GET',
'Accept': 'text/plain',
'Content-Type': 'text/plain',
}
})
.then(r => r.text())
.then(svg => {
svg_holder.insertAdjacentHTML('afterbegin', svg);
icon.querySelector('svg').setAttribute('id', (hamb ? 'rspv-' : '') + `${item.slug}-svg`);
icon.querySelector('svg').classList.add(...svg_class);
})
.catch(console.error.bind(console));
} else if (/^<svg/.test(item.icon_svg)) {
// inline/script svg
svg_holder.insertAdjacentHTML('afterbegin', item.icon_svg);
icon.querySelector('svg').setAttribute('id', (hamb ? 'rspv-' : '') + `${item.slug}-svg`);
icon.querySelector('svg').classList.add(...svg_class);
}
item.icon = icon;
return;
},
append_item: (item, hamb = true) => {
const target_ul = hamb ? globalCustomNav.cfg.rspv.tray_portal : globalCustomNav.cfg.glbl.nav_selector;
const target_li = document.querySelector(`${target_ul} li:last-child`);
// nav item placement
if (item.position !== 'undefined' && typeof item.position === 'number') {
// positioned
const position = (hamb == true ? globalCustomNav.cfg.rspv.tray_portal : globalCustomNav.cfg.glbl.nav_selector) + ` > li:nth-of-type(${item.position})`;
document.querySelector(position).after(item.icon);
} else if (item.position !== 'undefined' && item.position == 'after') {
target_li.after(item.icon);
} else {
target_li.before(item.icon);
}
const regex = new RegExp(`^${item.href}`);
if (!hamb && regex.test(window.location.pathname)) {
globalCustomNav.cfg.context_item = item.slug;
globalCustomNav.glbl_ensure_active_class(globalCustomNav.cfg.context_item);
}
},
append_high_contrast: item => {
// create style sheet if not already set
if (document.querySelectorAll('[data-global-custom-nav-css="set"]').length == 0) {
let style = document.createElement('style');
style.setAttribute('data-global-custom-nav-css', 'set');
document.head.appendChild(style);
}
// update style sheet with logomark override
var style_sheet = document.querySelector('[data-global-custom-nav-css]').sheet;
// responsive/mobile high contrast logos, single and consortiums
if(!!item.rspv && !item.rspv.logo_svg) {
item.rspv.logo_svg = item.rspv.cdn + item.rspv.logos[window.location.host.split('.')[0]];
}
style_sheet.insertRule(`.ic-brand-mobile-global-nav-logo { background-image:url(${item.rspv.logo_svg}) !important; }`, style_sheet.cssRules.length);
// prevent readding when changing view between mobile and desktop - add only once
if(document.querySelector('.gcn-high-contrast-glbl')) return;
// global high contrast logos, single and consortiums
if(!!item.glbl && !item.glbl.logo_svg) {
item.glbl.logo_svg = item.glbl.cdn
+ (typeof item.glbl.logos === 'function' ? item.glbl.logos() : item.glbl.logos[window.location.host.split('.')[0]]);
}
style_sheet.insertRule(`.ic-app-header__logomark { background-image:url(${item.glbl.logo_svg}) !important; }`, style_sheet.cssRules.length);
// wrapper for global nav header logo
var div = document.createElement('div');
div.setAttribute('style', 'background-color: transparent');
div.classList.add('ic-app-header__logomark-container', 'gcn-high-contrast-glbl');
// screenreader dashboard text
var span = document.createElement('span');
span.setAttribute('class', 'screenreader-only');
span.textContent = item.dashboard_icon_text;
// logo link
var a = document.createElement('a');
a.href = 'https://' + window.location.host;
a.setAttribute('dir', globalCustomNav.dir);
a.classList.add('ic-app-header__logomark');
a.appendChild(span);
div.appendChild(a);
document.querySelector('div.ic-app-header__main-navigation').prepend(div);
},
tray: (item, hamb) => {
// bind tray to nav item
document.querySelector('#' + (hamb ? 'rspv-' : '') + item.slug).addEventListener('click', function (e) {
if (hamb) {
globalCustomNav.rspv_tray_toggle(this);
} else {
// prevent default link click on global nav tray item anchor
e.preventDefault();
globalCustomNav.glbl_tray_toggle(this, e);
}
}.bind(item));
},
link: item => {
var a = document.createElement('a');
a.textContent = item.title;
a.href = item.href;
a.setAttribute('dir', globalCustomNav.dir);
a.classList.add('gcn_tray-view-link');
if (typeof item.target !== 'undefined' && globalCustomNav.cfg.targets.includes(item.target)) {
a.target = item.target;
}
return a.outerHTML;
},
tray_links: items => {
var html = `<ul class="gcn_tray-view--block-list" dir="${globalCustomNav.dir}">`;
items.forEach(item => {
html += `<li class="gcn_tray-view-listItem" dir="${globalCustomNav.dir}">`;
html += globalCustomNav.link(item);
// append link description if set
html += (!!item.desc && item.desc.length > 1) ? `<div wrap="normal" letter-spacing="normal" class="gcn_tray-link-desc-text">${item.desc}</div>` : '';
html += '</li>';
})
html += `</ul>`;
return html;
},
rspv_tray_toggle: item => {
const tray_content = document.querySelector(`#rspv-${item.slug}-tray`);
tray_content.classList.toggle('gcn_tray-content');
globalCustomNav.rspv_tray_content(item);
document.querySelectorAll(`#rspv-${item.slug} svg[name^="IconArrowOpen"]`).forEach(e => {
e.classList.toggle('gcn_tray-closed');
});
},
rspv_tray_content: item => {
const tray_content = document.querySelector(`#rspv-${item.slug}-tray`),
tray_icon_id = `#rspv-${item.slug}`;
if (!document.querySelector(`${tray_icon_id} svg[name="IconArrowOpenDown"]`)) {
let arrow_end = document.querySelector(`${tray_icon_id} svg[name="IconArrowOpenEnd"]`);
arrow_end.parentElement.insertAdjacentHTML('afterbegin', globalCustomNav.cfg.rspv.INSTUI_aodown);
let arrow_down = document.querySelector(`${tray_icon_id} svg[name="IconArrowOpenDown"]`);
let arrow_class = arrow_end.classList;
arrow_class.forEach(c => {
arrow_down.classList.add(c);
});
document.querySelector(`${tray_icon_id} svg[name="IconArrowOpenDown"]`).classList.toggle('gcn_tray-closed');
}
// tray links
if (document.querySelectorAll(`#rspv-${item.slug}-tray a`).length == 0) {
var tray_html = '';
// handle links vs callback
tray_html += globalCustomNav.tray_links_vs_cb(item);
// add default footer link
tray_html += `<li>${globalCustomNav.link(item)}</li>`;
// append
tray_content.insertAdjacentHTML('afterbegin', tray_html);
// handle callback
globalCustomNav.handle_tray_cb(item, `#rspv-${item.slug}-tray .gcn-loading-tray-cb-svg`, 'afterbegin');
}
},
glbl_tray_toggle: (item, click) => {
// bind/click on each menu item, if current is custom open
// if clicked menu item is not custom, close custom trays
// ensures the continuity of clicking and closing trays remains endless
Array.from(document.querySelectorAll(`${globalCustomNav.cfg.glbl.nav_selector} li`)).forEach(nav => {
nav.addEventListener('click', function (ne) {
const regex = new RegExp(item.tidle);
if (!regex.test(ne.target.closest('a').id)) {
if (document.getElementById(`${item.slug}-tray`)) {
document.getElementById(`${item.slug}-tray`).remove();
}
}
})
});
// toggled and tray content is not loaded
if (!document.querySelector(`${globalCustomNav.cfg.glbl.tray_portal} > #${item.slug}-tray`)) {
globalCustomNav.glbl_tray_content(item);
click.target.closest('li').classList.add(globalCustomNav.cfg.glbl.trayActiveClass);
globalCustomNav.glbl_tray_close(item);
}
},
glbl_tray_close: item => {
function close_transition() {
const tray_wrapper = document.querySelector('.gcn_tray-wrapper');
tray_wrapper.addEventListener('transitionend', () => {
// remove tray after transition if it still exists
document.getElementById(`${item.slug}-tray`)?.remove();
// remove active class on global nav icon on close
document
.getElementById(item.slug)
.closest('li')
.classList.remove(globalCustomNav.cfg.glbl.trayActiveClass);
});
// slide out tray on close
tray_wrapper.classList.remove('gcn_open');
}
// close tray when user clicks outside the tray
document.querySelector(`#${item.slug}-tray-close`).addEventListener('click', function () {
close_transition();
}.bind(item));
// close tray when focus leaves the tray
window.addEventListener('click', function (e) {
if (document.querySelector(`${globalCustomNav.cfg.glbl.tray_portal} > #${item.slug}-tray`) !== null) {
if (!document.getElementById(`${item.slug}-tray`)?.contains(e.target) && (document.getElementById('main').contains(e.target) || !document.getElementById(`${item.slug}-item`).contains(e.target))) {
close_transition();
}
}
});
// close tray with escape key when the tray is open
document.addEventListener('keydown', function (event) {
const key = event.key;
if (key === 'Escape') {
close_transition();
}
});
},
glbl_tray_content: item => {
const tray_content_id = `${item.slug}-tray`;
var tray_html = `<span id="${tray_content_id}" dir="${globalCustomNav.dir}">
<span class="gcn_tray-wrapper">
<div role="dialog" aria-label="${item.title} tray">
<div style="min-height: 100vh;">
<div class="${globalCustomNav.cfg.glbl.tray_container} ${item.tidle}-tray">`;
// close button
tray_html += `<span class="gcn_tray-close-btn-wrapper">
<button id="${tray_content_id}-close" cursor="pointer" type="button" tabindex="0" class="gcn_tray-close-btn" dir="${globalCustomNav.dir}">
<i class="icon-solid icon-x" style="padding:0.5rem;"></i><span class="screenreader-only">Close</span>
</button></span>`;
// tray content
tray_html += `<div class="${globalCustomNav.cfg.glbl.space}">
<div class="gcn_tray-content-wrapper">
<h2 class="gcn_tray-heading" dir="${globalCustomNav.dir}">${item.title}</h2>
<hr role="presentation" class="gcn-cb_content">`;
// handle links vs callback
tray_html += globalCustomNav.tray_links_vs_cb(item, false);
if (item.tray.footer && item.tray.footer.length > 1) {
tray_html += `<ul class="gcn_tray-view--block-list" dir="${globalCustomNav.dir}">
<li class="gcn_tray-view-listItem" dir="${globalCustomNav.dir}"><hr role="presentation"></li>
<li class="gcn_tray-view-listItem" dir="${globalCustomNav.dir}">`;
tray_html += globalCustomNav.link(item);
tray_html += `</li></ul><br><div wrap="normal" letter-spacing="normal" class="gcn_tray-link-desc-text">${item.tray.footer}</div>`;
}
tray_html += `</div></div></div></div></div></span></span>`;
// append tray
document.getElementById('nav-tray-portal').insertAdjacentHTML('afterbegin', tray_html);
// focus on close button
document.querySelector('.gcn_tray-close-btn')?.focus();
// slide in tray on open
document.querySelector('.gcn_tray-wrapper').classList.add('gcn_open');
// handle callback
globalCustomNav.handle_tray_cb(item, `.${globalCustomNav.cfg.glbl.space} div.gcn-loading-tray-cb-svg`, 'afterbegin', false);
},
tray_links_vs_cb: (item, hamb = true) => {
// handle custom tray choice
var tray_html = '';
// append links if set
if (typeof item.tray.items !== 'undefined') {
if (Array.isArray(item.tray.items)) {
tray_html += globalCustomNav.tray_links(item.tray.items);
} else if (typeof item.tray.items === 'object') {
if (hamb) {
var groups = Object.values(item.tray.items);
tray_html += globalCustomNav.tray_links(groups[0].concat(groups[1]));
} else {
Object.keys(item.tray.items).forEach(group => {
tray_html += `<h3 class="gcn_tray-list-group-heading">${group}</h3>`;
tray_html += globalCustomNav.tray_links(item.tray.items[group]);
})
}
}
// prep for callback
} else if (typeof item.tray.cb !== 'undefined' && typeof item.tray.cb === 'function') {
tray_html += `<ul class="gcn_tray-view--block-list gcn-loading-tray-cb" dir="${globalCustomNav.dir}">
<li class="gcn_tray-view-listItem" dir="${globalCustomNav.dir}">
<div dir="${globalCustomNav.dir}" class="gcn_tray-view-spinner gcn-loading-tray-cb-svg gcn_tray-link-desc-text"></div>
</li>
</ul>`;
}
return tray_html;
},
handle_tray_cb: (item, sel, pos, hamb = true) => {
if (typeof item.tray.cb !== 'undefined' && typeof item.tray.cb === 'function') {
var loading_svg = `<svg role="img" aria-labelledby="${(hamb ? 'rspv-' : '') + `${item.slug}-tray-loading_svg`}" focusable="false" class="gcn_tray-spinner__circle">
<title id="${(hamb ? 'rspv-' : '') + `${item.slug}-tray-loading_svg`}">Loading</title>
<g role="presentation">
<circle cx="50%" cy="50%" r="1em" class="gcn_tray-spinner__circleTrack"></circle>
<circle cx="50%" cy="50%" r="1em" class="gcn_tray-spinner__circleSpin"></circle>
</g>
</svg>`;
document.querySelector(sel).insertAdjacentHTML(pos, loading_svg);
item.tray.cb(item);
}
},
append_cb_content: (item, content) => {
if (document.querySelector(`.${globalCustomNav.cfg.glbl.space} hr.gcn-cb_content`)) {
document.querySelector(`.${globalCustomNav.cfg.glbl.space} hr.gcn-cb_content`).insertAdjacentHTML('afterend', content);
document.querySelector(`.${globalCustomNav.cfg.glbl.space} .gcn-loading-tray-cb`).remove();
} else if (document.querySelector(`#rspv-${item.slug}-tray`)) {
document.querySelector(`#rspv-${item.slug}-tray`).insertAdjacentHTML('afterbegin', content);
document.querySelector(`#rspv-${item.slug}-tray .gcn-loading-tray-cb`).remove();
}
},
glbl_tray_throwback: () => {
if (typeof globalCustomNav.throwbacks === 'undefined') return;
const tray_container = document.querySelector(`${globalCustomNav.cfg.glbl.tray_portal} div.${globalCustomNav.cfg.glbl.tray_container}`);
let ui_tray = [...tray_container.classList].filter(c => c.endsWith('-tray'))[0].replace('-tray', '');
if (typeof globalCustomNav.throwbacks[ui_tray] === 'object') {
let tray_ready = document.querySelector(`${globalCustomNav.cfg.glbl.tray_portal} ${globalCustomNav.throwbacks[ui_tray].target}`);
let tray_action_complete = document.querySelectorAll(`${globalCustomNav.cfg.glbl.tray_portal} a.${globalCustomNav.throwbacks[ui_tray].actions.complete}`);
if (tray_ready && tray_action_complete.length == 0) {
globalCustomNav.throwbacks[ui_tray].actions.glbl();
}
}
},
rspv_tray_throwback: () => {
if (typeof globalCustomNav.throwbacks === 'undefined') return;
const portal = document.querySelector(globalCustomNav.cfg.rspv.tray_portal);
if (portal && Object.keys(globalCustomNav.throwbacks).length >= 1) {
// TODO frequently review for catchment class or attribute
let expanded = document.querySelectorAll(`button[aria-controls^="Expandable"][aria-expanded="true"]`);
let to_targets = Object.keys(globalCustomNav.throwbacks).map(t => [globalCustomNav.throwbacks[t].target, t]);
let to_mapping = Object.fromEntries(to_targets);
let targets = Object.keys(to_mapping);
if (expanded) {
targets.forEach(t => {
let tray_ready = document.querySelector(`div[id^="Expandable"] ${t}`);
if (tray_ready) {
let tray_by_target = to_mapping[t];
if (typeof globalCustomNav.throwbacks[tray_by_target] === 'object') {
let tray_action_complete = document.querySelectorAll(`div[id^="Expandable"] a.${globalCustomNav.throwbacks[tray_by_target].actions.complete}`);
if (tray_action_complete.length == 0) {
globalCustomNav.throwbacks[tray_by_target].actions.rspv();
}
}
}
})
}
}
}
};
// configure custom opts
const globalCustomNav_items = [{
title: 'Instructure Icon',
icon_svg: 'icon-pin',
href: 'https://instructure.design/#icons-font',
target: '_blank',
position: 1, // can be one of : integer (position after first), 'after' (help or last), 'before' (help or last)
},
{
title: 'Hosted Icon',
// example only, host your own, or use icon class
icon_svg: 'https://raw.githubusercontent.com/instructure/instructure-ui/master/packages/ui-icons/svg/Line/pin.svg',
href: 'https://community.canvaslms.com/',
target: '_blank',
//position: 'before' // default
},
{
title: 'Inline Icon',
// example, instructure-ui pin.svg from above
icon_svg: `<svg viewBox="0 0 1920 1920" version="1.1" xmlns="http://www.w3.org/2000/svg"><path d="M1643.272 835.697c-22.024 22.023-57.826 22.023-79.85 0l-20.442-20.442c-.226-.226-.226-.452-.452-.678-.226-.113-.452-.113-.565-.339L1072.806 345.08c-.226-.225-.34-.564-.565-.79-.226-.226-.565-.339-.79-.452l-20.33-20.33c-22.024-22.023-22.024-57.938 0-79.962l83.915-83.802 592.15 592.038-83.914 83.915zm-506.768 305.167c-7.34-8.584-13.44-18.07-21.571-26.09L771.93 771.773c-8.018-8.132-17.506-13.892-26.09-21.12l286.42-286.419 390.437 390.438-286.193 286.193zm-101.42 453.007l-16.49 16.49-742.362-742.25 16.489-16.49c106.73-106.842 292.743-106.842 399.36 0l343.002 343.003c53.309 53.308 82.673 124.235 82.673 199.567 0 75.445-29.364 146.372-82.673 199.68zM1135.035.045L971.272 163.697c-59.295 59.294-62.344 150.776-15.022 216.847L658.876 677.918c-4.066 3.953-6.437 8.81-9.035 13.553-144.565-60.085-322.899-33.656-436.97 80.301l-96.338 96.34 411.106 411.105-511.06 511.059c-22.136 22.023-22.136 57.826 0 79.85 10.956 11.067 25.413 16.602 39.869 16.602s28.913-5.535 39.981-16.603l511.059-511.059 411.106 410.993 96.339-96.339c74.654-74.54 115.764-173.816 115.764-279.529 0-55.115-11.745-108.31-33.091-157.327 2.597-1.92 5.647-3.05 8.018-5.421l300.763-300.763c29.365 20.895 62.456 34.448 96.903 34.448 43.37 0 86.852-16.603 119.83-49.582l163.766-163.764L1135.036.045z" stroke="none" stroke-width="1" fill-rule="evenodd"/></svg>`,
href: 'https://community.canvaslms.com/',
target: '',
position: 'after'
},
{
title: 'Icon with Role Requirements - Faculty',
// example icon with role requirement
icon_svg: 'icon-educators',
href: 'https://community.canvaslms.com/t5/Canvas-Instructor/ct-p/canvas_instructor',
target: '_blank',
position: 'after',
roles: function () {
var account_role = ['AccountAdmin', 'Staff Admin', 'Support Admin'].some(a => ENV.current_user_types.includes(a));
var enrollment_type = ['teacher', 'admin', 'root_admin', 'consortium_admin'].some(a => ENV.current_user_roles.includes(a));
return account_role || enrollment_type;
}
},
{
title: 'Icon with Role Requirements - Student',
// example icon with role requirement
icon_svg: 'icon-group',
href: 'https://community.canvaslms.com/t5/Canvas-Student/ct-p/canvas_student',
target: '_blank',
position: 'after',
roles: function () {
return !['teacher', 'admin', 'root_admin', 'consortium_admin'].some(a => ENV.current_user_roles.includes(a));
}
},
{
title: 'Custom Context',
// custom context handles active class in global nav
icon_svg: 'icon-expand-start',
href: '/courses/101',
target: '_top',
roles: function () {
return ['user'].some(a => ENV.current_user_roles.includes(a));
}
},
{
title: 'Custom Account Context',
// custom context handles active class in global nav
icon_svg: 'icon-ruler',
href: '/accounts/self',
target: '_self',
roles: function () {
return ['admin'].some(a => ENV.current_user_roles.includes(a));
}
},
{
title: 'Tray with simple list',
// example only, host your own, or use icon class
icon_svg: 'icon-paperclip',
href: 'https://community.canvaslms.com/',
target: '_self',
//position: 'before', // default
tray: {
footer: 'Optional footer text, put whatever you want here, or leave it blank.',
items: [{
href: 'https://community.canvaslms.com/',
title: 'Library',
target: '_top',
desc: 'Canvas Community'
},
{
href: 'https://community.canvaslms.com/t5/Canvas-Developers-Group/gh-p/developers',
title: 'Help Desk',
target: '_blank'
},
{
href: 'https://instructure.design/#icons-font',
title: 'Instructure Icons',
target: '_parent',
desc: `<i class="icon-line icon-heart icon-solid"></i>`
}
]
}
},
{
title: 'Tray with grouped list',
// example tray, with custom link list
icon_svg: 'icon-heart',
href: 'https://community.canvaslms.com/',
target: '_self',
position: 'before', // default
tray: {
footer: 'Optional footer text, put whatever you want here, or leave it blank.',
items: {
'Published': [{
href: 'https://community.canvaslms.com/',
title: 'Library',
target: '_top',
desc: 'Canvas Community'
},
{
href: 'https://community.canvaslms.com/t5/Canvas-Developers-Group/gh-p/developers',
title: 'Help Desk',
target: '_blank'
},
{
href: 'https://instructure.design/#icons-font',
title: 'Instructure Icons',
target: '_parent',
desc: `<i class="icon-line icon-heart icon-solid"></i>`
}
],
'Unpublished': [{
href: 'https://canvas.instructure.com/doc/api/',
title: 'Canvas API',
desc: "To get started, you'll want to review the general basics"
},
{
href: 'https://developer.mozilla.org/en-US/docs/Web/JavaScript',
title: 'MDN JavaScript'
},
{
href: 'https://developer.mozilla.org/en-US/docs/Web/HTML',
title: 'MDN HTML'
}
]
}
}
},
{
title: 'Tray with Callback',
// example tray with custom callback for content area
icon_svg: 'icon-integrations',
href: 'https://github.com/robert-carroll/canvaslms-global-custom-navigation',
// target: '_blank',
position: 'after',
tray: {
footer: 'Optional footer text, put whatever you want here, or leave it blank.',
cb: function (item) {
// return a set of linked squares with user course colors
var html = '';
fetch(`/api/v1/users/self/colors`, {
'headers': {
'accept': 'application/json',
'content-type': 'application/json',
'cache': 'default'
}
})
.then(res => {
if (!res.ok) throw Error(res.status);
return res.json();
})
.then(json => json.custom_colors)
.then(colors => {
html += '<div style="line-height: 0;">';
Object.keys(colors).forEach(c => {
if (/course_/.test(c)) {
html += `<a href="/${c.replace('_' ,'s/')}" style="background-color: ${colors[c]}; width:20px; height: 20px; display: inline-block;"></a>`;
}
});
html += '<div>';
return html;
}).then(html => globalCustomNav.append_cb_content(item, html))
.catch(err => console.error(err));
}
}
},
{
title: 'Tray with Callback link render',
// example tray with custom callback for content area
icon_svg: 'icon-flag',
href: '#',
// target: '_blank',
position: 3,
roles: function () {
var account_role = ['AccountAdmin', 'Staff Admin', 'Support Admin'].some(a => ENV.current_user_types.includes(a));
var enrollment_type = ['teacher', 'admin', 'root_admin'].some(a => ENV.current_user_roles.includes(a));
return account_role || enrollment_type;
},
tray: {
// footer: 'Optional footer text, put whatever you want here, or leave it blank.',
cb: function (item) {
var items = [{
href: 'https://community.canvaslms.com/',
title: 'Library',
target: '_top',
desc: 'Canvas Community'
},
{
href: 'https://community.canvaslms.com/t5/Canvas-Developers-Group/gh-p/developers',
title: 'Help Desk',
target: '_blank'
},
{
href: 'https://instructure.design/#icons-font',
title: 'Instructure Icons',
target: '_parent',
desc: `<i class="icon-line icon-heart icon-solid"></i>`
}
];
var list_html = globalCustomNav.tray_links(items);
globalCustomNav.append_cb_content(item, list_html);
}
}
}
];
// configure moar
// handle roles within throwbacks
const globalCustomNav_tray_throwback = {
accounts: {
// add quick navigation links for the admin tray accounts
target: 'a[href="/accounts"]',
actions: {
// class to stop the observer when the tray is updated
complete: 'gcn-admin-tray-quick-nav',
// add some quick navigation links to each account
add: function(accounts) {
let dir = document.querySelector('html').getAttribute('dir') ?? 'ltr';
let float = dir = 'ltr' ? 'right' : 'left';
let opts = {
'users': '<i class="icon-line icon-user" aria-hidden="true" />',
'settings': '<i class="icon-line icon-settings" aria-hidden="true" />',
'settings#tab-announcements': '<i class="icon-line icon-announcement" aria-hidden="true" />'
}
accounts.forEach(a => {
for(let o in opts) {
let add = document.createElement('a');
add.innerHTML = opts[o];
add.href = a.href + '/' + o;
add.setAttribute('dir', dir);
add.style = `float: ${float};`;
a.after(add);
}
});
},
// for global nav tray
glbl: function () {
// add links to accounts list
this.add(document.querySelectorAll('div.accounts-tray ul a[href^="/accounts/"]'));
// mark this throwback complete
document.querySelector(`#nav-tray-portal a[href="/accounts"]`).classList.add(this.complete);
},
// for responsive nav tray
rspv: function () {
// add links to accounts list
this.add(document.querySelectorAll(`div[id^="Expandable"] a[href^="/accounts/"]`));
// mark this throwback complete
document.querySelector(`div[id^="Expandable"] a[href="/accounts"]`).classList.add(this.complete);
}
}
},
courses: {
// adds a heart icon to the All Courses link, it's at the top!
target: 'a[href="/courses"]',
actions: {
// class to stop the observer when the tray is updated
complete: 'gcn-heart-all-courses',
// for global nav tray
glbl: function () {
// identify the courses link
let all_courses = document.querySelector(`#nav-tray-portal a[href="/courses"]`);
// update the element HTML with an icon
all_courses.insertAdjacentHTML('afterend', ` <i class="icon-line icon-heart"></i>`);
// mark this throwback complete
all_courses.classList.add(this.complete);
},
// for responsive nav tray
rspv: function () {
// identify the courses link
let all_courses = document.querySelector(`div[id^="Expandable"] a[href="/courses"]`);
// update the element HTML with an icon
all_courses.innerHTML = all_courses.innerText + ` <i class="icon-line icon-heart"></i>`;
// mark this throwback complete
all_courses.classList.add(this.complete);
}
}
}
};
// consider c4e
globalCustomNav_tray_throwback.subjects = globalCustomNav_tray_throwback.courses;
const globalCustomNav_opts = {
nav_items: globalCustomNav_items,
throwbacks: globalCustomNav_tray_throwback
};
// load custom nav options
globalCustomNav.load(globalCustomNav_opts);
})();