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Beginner-Example-05.htm
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<!doctype html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>
Apex 4X Beginner Tutorial | Example 5 - Menu Module (Dynamic Loading)
</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link
rel="stylesheet"
type="text/css"
href="../Templates/_common/_doc_files/css/global.css"
/>
<link
rel="stylesheet"
type="text/css"
href="../Templates/_common/_doc_files/css/components-style.css"
/>
<link
rel="stylesheet"
type="text/css"
href="../Templates/_common/_doc_files/prism.css"
/>
<link
rel="stylesheet"
type="text/css"
href="../Templates/Menus/Internal/css/menus.css"
/>
<script src="../Templates/_common/_doc_files/prism.js"></script>
<script src="../4X/4X.js"></script>
<script src="../4X/Standard/Min/Beep.js"></script>
<style type="text/css">
a.templatesLink:focus,
a.templatesLink:hover {
text-decoration: none;
}
textarea {
min-width: 90%;
}
button.aria-menu {
color: var(--bodyText);
background: var(--whatsock-orange-main) url(../img/sprite.svg) right -290px
no-repeat;
margin-bottom: 0;
}
ul.top.menu {
margin: 0;
margin-bottom: 1em;
}
ul.menu {
margin-left: 10.1em;
}
nav > ul > li > a[aria-current="page"] {
border-top: 2px solid var(--navLinkBackground);
}
.btn--example {
margin: 1em 0;
background: var(--whatsock-orange-main);
border: 2px solid #774b04;
border-radius: 0.5em;
padding: 0.5em 1em;
font-weight: 700;
font-size: 1rem;
}
@media (min-width: 400px) {
.btn--example {
font-size: 1.2rem;
}
}
.btn--example:focus {
outline: 5px solid var(--whatsock-red);
}
.pagination .flex-container-row {
display: flex;
flex-flow: row wrap;
justify-content: center;
margin: auto;
padding: 1em;
}
.pagination .flex-container-row .flex-item {
flex: 1 0 auto;
}
.pagination .flex-container-row .flex-item:nth-child(2) {
text-align: right;
}
@media (min-width: 70em) {
.pagination .flex-container-row .flex-item {
flex: 1 0 0;
text-align: left;
}
.pagination .flex-container-row .flex-item:nth-child(2) {
text-align: right;
}
}
</style>
</head>
<body>
<div class="outer-wrapper">
<header class="header">
<div class="logo">
<a href="https://whatsock.com">
<img
alt="WhatSock : Changing the world one step at a time"
src="../Templates/_common/_doc_files/img/whatsock.svg"
/>
</a>
</div>
<nav aria-label="main" class="navigation--parent">
<ul>
<li><a href="../Templates/index.htm">Widget Templates</a></li>
</ul>
<h2 class="parent--page">Steps</h2>
<ul>
<li><a href="Beginner-Introduction.htm">Introduction</a></li>
<li>
<a href="Beginner-Example-01.htm"
>1. Form Rendering (Using Core Functions)</a
>
</li>
<li>
<a href="Beginner-Example-02.htm"
>2. ARIA Button Rendering (Using Core Functions)</a
>
</li>
<li>
<a href="Beginner-Example-03.htm"
>3. DC Objects (Converting Elements)</a
>
</li>
<li>
<a href="Beginner-Example-04.htm"
>4. Date Picker (Using Modules)</a
>
</li>
<li>
<a href="Beginner-Example-05.htm" aria-current="page"
>5. Menu Module (Dynamic Loading)</a
>
</li>
<li><a href="Beginner-Conclusion.htm">Beginner Conclusion</a></li>
</ul>
</nav>
</header>
<div class="wrapper">
<main id="main" class="main">
<h1>
<strong>Example 5 — Menu Module (Dynamic Loading)</strong>
</h1>
<div class="section--instructions">
<section class="preamble">
<p>
In contrast to standard loading, 4X includes the ability to
automatically load modules, including all shared module
dependencies without requiring any additional script tags.
</p>
<p>
The value of importing modules dynamically is that there is no
need to hardcode script tags within each webpage. Instead, the
requisit modules are loaded dynamically as-needed, which is
faster and more responsive when running complex web apps.
</p>
<p>Dynamic modularization also includes:</p>
<ul>
<li>On-demand imports, even within if/else statements.</li>
<li>Internal caching for shared modules, increasing speed.</li>
<li>
Automatic queuing for sequential imports, ensuring correct
load order.
</li>
<li>
Shared props between modules within the same import scope,
allowing variables to be passed between external modules.
</li>
<li>
Optional deferment, ensuring that callbacks execute after the
page finishes loading.
</li>
</ul>
</section>
<section>
<h2>Example 5 — Coding Sandbox</h2>
<p>
Using dynamic loading to import the Animate and Menu modules
into 4X.
</p>
<div>
<textarea title="Example 5 markup" id="example5.1">
<button data-menu="settings-menu" class="aria-menu" id="menuButtonId">Settings</button>
<ul hidden class="top menu" id="settings-menu">
<li><a href="#" class="has-submenu">Personal</a>
<ul hidden class="menu">
<li><a href="#" class="link" id="personal-name">Name</a></li>
<li><a href="#" class="link" id="personal-interests">Interests</a></li>
<li><a href="#" class="link" id="personal-education">Education</a></li>
</ul>
</li>
<li><a href="#" class="has-submenu">Business</a>
<ul hidden class="menu">
<li><a href="#" class="link" id="business-name">Name</a></li>
<li><a href="#" class="link" id="business-contact">Contact</a></li>
</ul>
</li>
<li><a href="https://google.com/" class="link" id="help">Help...</a></li>
</ul>
</textarea
>
</div>
<div>
<textarea title="Example 5 JS" id="example5.2">
// Use the import function to load the Animate and Menu modules and execute a callback.
// Help/$A API/Import and Fetch APIs/Import
$A.import(["Animate", "Menu"], {
noCache: true, // Disable internal caching
override: {
data: {
cache: "no-cache" // The cache mode you want to use for the fetch request
}
}
}, function() {
// Create a menu that includes animation effects.
// Help/VelocityUI-Effects-Index
// Help/Module Imports/Widgets/Menu
var menu = $A.setMenu("#menuButtonId", {
onActivate: function(ev, menuItem, RTI, boundElement, checked, set, isRadio) {
RTI.DC.top.remove(function() {
// Close the top level menu when a menuItem is activated and perform a callback action.
if ($A(menuItem).hasAttr("href") &&
$A(menuItem).getAttr("href").indexOf("https://") !== -1)
location.href = menuItem.href;
else
alert(menuItem.id);
});
},
style: { display: "none" },
animate: {
onRender: function(dc, wrapper, next) {
$A.Velocity(wrapper, "transition.slideUpIn", {
duration: 750,
complete: function() {
// Running next() is required to continue executing built-in lifecycle methods such as afterRender() when the animation completes.
next();
}
});
},
onRemove: function(dc, wrapper, next) {
$A.Velocity(wrapper, "transition.slideUpOut", {
duration: 750,
complete: function() {
// Running next() is required to continue executing built-in lifecycle methods such as afterRender() when the animation completes.
next();
}
});
}
}
});
});
</textarea
>
</div>
<div>
<button class="example5 btn--example">Render Example 5</button>
<div
role="region"
aria-label="Rendered Markup"
id="example5"
></div>
<script>
(function () {
var markup = $A.get("example5.1"),
js = $A.get("example5.2"),
div = $A.get("example5");
$A.on("button.example5", "click", function (ev) {
try {
div.innerHTML = markup.value;
var f = new Function("window,document,$A", js.value);
f.call(window, window, document, $A);
$A.beep();
} catch (e) {
throw e;
}
});
})();
</script>
</div>
</section>
<nav aria-label="pagination" class="pagination">
<div class="flex-container-row">
<div class="flex-item">
<a href="Beginner-Example-04.htm"
><< Previous example</a
>
</div>
<div class="flex-item">
<a href="Beginner-Conclusion.htm">Next example >></a>
</div>
</div>
</nav>
</div>
</main>
</div>
<footer class="footer">
<div class="flex-container-row">
<div class="flex-item">
<h2>License</h2>
<p>
Apex 4X including all template design patterns is distributed
under the terms of the Open Source Initiative OSI - MIT License,
and may be freely used for any purpose within any web technology.
</p>
</div>
<div class="flex-item">
<h2>Resources</h2>
<ul>
<li>
<a target="ext" href="https://github.com/WhatSock/apex"
>Apex 4X on GitHub</a
>
</li>
<li>
<a
target="ext"
href="https://whatsock.github.io/visual-aria/github-bookmarklet/visual-aria.htm"
>Visual ARIA Bookmarklet</a
>
</li>
<li>
<a
target="ext"
href="https://chrome.google.com/webstore/detail/visual-aria/lhbmajchkkmakajkjenkchhnhbadmhmk"
>Visual ARIA Chrome Extension</a
>
</li>
<li>
<a
target="ext"
href="https://addons.mozilla.org/en-US/firefox/addon/visual-aria/"
>Visual ARIA Firefox Extension</a
>
</li>
<li>
<a target="ext" href="https://github.com/AccDC/visual-aria"
>Visual ARIA on GitHub</a
>
</li>
<li>
<a target="ext" href="https://whatsock.com/training/matrices/"
>ARIA Role Conformance Matrices</a
>
</li>
<li>
<a target="ext" href="https://whatsock.com/training/"
>Accessibility Tree Training Guide</a
>
</li>
</ul>
</div>
<div class="flex-item">
<h2>Acknowledgements</h2>
<ul class="list--horizontal">
<li>
Author and developer:
<a target="ext" href="https://www.linkedin.com/in/bgaraventa"
>Bryan Garaventa</a
>
</li>
<li>
Website designer:
<a target="ext" href="https://gericci.me/">Angela Ricci</a>
</li>
<li>
Style and markup editor:
<a
target="ext"
href="https://www.linkedin.com/in/laurence-lewis-77520365/"
>Laurence Lewis</a
>
</li>
</ul>
</div>
</div>
</footer>
</div>
</body>
<script
async
src="https://api.whatsock.com/accdc-updates.js?4x=template"
></script>
<script src="../Templates/_common/_doc_files/autosize.js"></script>
<script>
autosize($A.query("textarea"));
</script>
</html>