@anypoint-web-components/anypoint-menu-mixin
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This is a port of iron-menu-behavior that works with LitElement and ES6 classes, originally developed by the Polymer team.
MenuMixin and MenubarMixinMenuMixin and MenubarMixin implement accessible menu and menu bar mixins.
The mixins extends MultiSelectableMixin from @anypoint-web-components/anypoint-selector package.
npm install @anypoint-web-components/anypoint-menu-mixin --save
import { LitElement, html } from 'lit-element';
import { MenuMixin } from '@anypoint-web-components/anypoint-menu-mixin';
class SimpleMenu extends MenuMixin(LitElement) {
static get styles() {
return css`
:host > ::slotted(.selected) {
color: white;
background-color: #2196F3;
}
:host > ::slotted([disabled]) {
pointer-events: none;
}`;
}
render() {
return html`<slot></slot>`;
}
}
window.customElements.define('simple-menu', SimpleMenu);
Then, in your HTML:
<html>
<head>
<script type="module" src="./simple-menu.js"></script>
<style>
/* Overrides component's internal styling */
simple-menu .selected {
background-color: blue;
color: white;
}
</style>
</head>
<body>
<simple-menu>
<div>Item 0</div>
<div>Item 1</div>
<div>Item 2</div>
<div>Item 3</div>
<div>Item 4</div>
</simple-menu>
<script>
{
document.querySelector('simple-menu').onselect = (e) => {
console.log(e.detail.value);
};
}
</script>
</body>
</html>
The mixin sets default role to the implementing element of "menu" and "menubar". The mixin can be used in different context. Then you may want to change the role to something else. If new role requires children to have "aria-selected" attribute then additionally set useAriaSelected property so the element will handle selection.
<tabs-implementation role="tablist" useariaselected>
<button role="tab">Tab #1</button>
<button role="tab">Tab #2</button>
<button role="tab">Tab #3</button>
</tabs-implementation>
git clone https://github.com/anypoint-web-components/anypoint-menu-mixin
cd anypoint-menu-mixin
npm install
npm start
npm test
FAQs
Port of iron-selector that works with ES6 classes. Manages a list of elements that can be selected.
We found that @anypoint-web-components/anypoint-menu-mixin demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 4 open source maintainers collaborating on the project.
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