@adobe/coral-spectrum
Version:
Coral Spectrum is a JavaScript library of Web Components following Spectrum design patterns.
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HTML
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Coral.Tree</title>
<script>document.addEventListener('click', function(event) {if (event.target.nodeName === 'A' || event.matchedTarget && event.matchedTarget.nodeName === 'A') {event.preventDefault();}});</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/highlight.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/github.min.css">
<style>.hljs{background:#fff;font-size:12px;border-radius:4px;font-family:Consolas,Monaco,'Andale Mono','Ubuntu Mono',monospace;}</style>
<script>
document.addEventListener('DOMContentLoaded', function() {
const markup = document.body.querySelectorAll('.markup');
for (var i = 0; i < markup.length; i++) {
const code = markup[i].innerHTML;
const id = 'markup-code-' + i;
markup[i].insertAdjacentHTML('afterend',
'<div style="margin:10px 0">' +
'<a onclick="this.nextElementSibling.hidden = !this.nextElementSibling.hidden" class="coral-Link" href="#">Toggle markup</a>' +
'<pre hidden>' +
'<code id="'+ id +'" class="html">' +
'</code>' +
'</pre>' +
'</div>');
document.getElementById(id).textContent = code;
}
window.hljs.initHighlightingOnLoad();
});
</script>
<link rel="stylesheet" href="../css/coral.css">
<script>
document.addEventListener('DOMContentLoaded', function() {
const script = document.createElement('script');
script.src = '../js/coral.js';
script.dataset.coralIcons = '../resources/';
document.head.appendChild(script);
});
</script>
</head>
<body class="coral--lightest">
<main class="u-coral-margin">
<div style="position:absolute;top:16px;right:16px;">
<strong style="padding-right:8px"><span class="u-coral-hiddenS">Theme:</span></strong>
<a href="#" class="coral-Link theme" onclick="document.body.className='coral--light'">Light</a> |
<a href="#" class="coral-Link theme" onclick="document.body.className='coral--lightest'">Lightest</a> |
<a href="#" class="coral-Link theme" onclick="document.body.className='coral--dark'">Dark</a> |
<a href="#" class="coral-Link theme" onclick="document.body.className='coral--darkest'">Darkest</a>
<strong style="padding:0 8px 0 16px"><span class="u-coral-hiddenS">Scale:</span></strong>
<a href="#" class="coral-Link scale" onclick="document.body.classList.remove('coral--large')">Medium</a> |
<a href="#" class="coral-Link scale" onclick="document.body.classList.add('coral--large')">Large</a>
</div>
<h1 class="coral-Heading--XXL">Tree</h1>
<h2 class="coral-Heading--M">Usage notes</h2>
<hr class="coral-Divider--L">
<p class="coral-Body--M u-coral-padding-vertical">
Trees are containers to display hierarchical collapsible content.
</p>
<h2 class="coral--Heading--S">Default</h2>
<div class="markup">
<coral-tree id="mytree" style="width: 240px">
<coral-tree-item disabled><coral-tree-item-content>Item 2</coral-tree-item-content></coral-tree-item>
<coral-tree-item expanded>
<coral-tree-item-content>Item 1 with <a class="coral-Link" href="#" coral-interactive>link</a></coral-tree-item-content>
<coral-tree-item disabled><coral-tree-item-content>Sub Item 1</coral-tree-item-content></coral-tree-item>
<coral-tree-item expanded>
<coral-tree-item-content>Sub Item 2</coral-tree-item-content>
<coral-tree-item expanded>
<coral-tree-item-content>Item 1</coral-tree-item-content>
<coral-tree-item disabled><coral-tree-item-content>Sub Item 1</coral-tree-item-content></coral-tree-item>
<coral-tree-item variant="leaf">
<coral-tree-item-content>Sub Item 2</coral-tree-item-content>
</coral-tree-item>
</coral-tree-item>
</coral-tree-item>
</coral-tree-item>
<coral-tree-item variant="leaf"><coral-tree-item-content>Item 2</coral-tree-item-content></coral-tree-item>
<coral-tree-item hidden><coral-tree-item-content>Item 3</coral-tree-item-content></coral-tree-item>
</coral-tree>
<script>
window.addEventListener('load', function() {
const mytree = document.getElementById('mytree');
mytree.on('coral-tree:expand', (event) => {
console.log(event.detail.item.content.textContent.trim() + ' is open');
});
mytree.on('coral-tree:collapse', (event) => {
console.log(event.detail.item.content.textContent.trim() + ' is closed');
});
mytree.on('coral-tree:change', (event) => {
console.log(event.detail.selection.content.textContent.trim() + ' is selected');
});
});
</script>
</div>
<h2 class="coral--Heading--S">Handle expansion via JS</h2>
<div class="markup">
<coral-tree style="width: 240px">
<coral-tree-item id="tree-item">
<coral-tree-item-content>Item 1</coral-tree-item-content>
</coral-tree-item>
</coral-tree>
<div class="u-coral-margin">
<a id="add-item" class="coral-Link" href="#">Add item</a>
<a id="remove-item" class="coral-Link" href="#">Remove item</a>
</div>
<script>
window.addEventListener('load', function() {
var tree = document.getElementById('tree-item');
var add = document.getElementById('add-item');
var remove = document.getElementById('remove-item');
add.addEventListener('click', function(e) {
e.preventDefault();
tree.items.add({
content: {
textContent: 'Sub item ' + (tree.items.length + 1)
}
});
});
remove.addEventListener('click', function(e) {
e.preventDefault();
tree.items.length && tree.items.last().remove();
});
tree.addEventListener('coral-collection:add', function() {
tree.expanded = true;
});
tree.addEventListener('coral-collection:remove', function() {
if (!tree.items.length) {
tree.expanded = false;
}
});
});
</script>
</div>
</main>
</body>
</html>