
Opc-menu-drawer is a webcomponent developed using Lit elements for Red Hat One Platform. It's a customizable drawer component that contains header, menu buttons, links.
Prerequisites
Opc-menu-drawer is implemented under Red Hat design guidelines. Therefore the component uses Red Hat official font. This can be easily imported with google cdn at the top of HTML document.
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link
href="https://fonts.googleapis.com/css2?family=Red+Hat+Display&display=swap"
rel="stylesheet"
/>
<link
href="https://fonts.googleapis.com/css2?family=Red+Hat+Text&display=swap"
rel="stylesheet"
/>
Guidelines
Opc-menu-drawer contains mainly two component. A backdrop and a drawer component expanded from rightside of the screen. The drawer can be controlled using isOpen attribute. Backdrop color can be controlled by --opc-menu-drawer__backdrop-color css variable.
opc-menu-drawer with header
Details
The header is the topmost element seen on the drawer body. It contains a collapsable box with a title from the attribute headerTitle and an optional slot avatar to provide an avatar of the user. The header also accepts buttons through the slot menu that provide primary actions of the drawer, which is revealed by expanding the header title. The header container could be replaced with the slot header.
Code
<opc-menu-drawer headerTitle="Akhil Mohan">
<span slot="avatar">AM</span>
<button slot="menu">Log In</button>
</opc-menu-drawer>
document.querySelector('opc-menu-drawer').open();
Screenshot

opc-menu-drawer with header expanded

opc-menu-drawer with links
Details
The drawer component accepts links grouped into categories for users to navigate easily. Links can be set via the links attribute. When the links are more than 5 for a group, the rest of them will be hidden in a collapsable box. It can be revealed by clicking on the show more button for that category.
The default slot gets passed to the drawer body. It will be shown after the links section if links are provided.
Code
<opc-menu-drawer headerTitle="Akhil Mohan">
<span slot="avatar">AM</span>
<div>
<h6>Main Body</h6>
</div>
</opc-menu-drawer>
const links = [
{
title: 'BUILT-IN SERVICES',
links: [
{ name: 'Blog', href: '#' },
{ name: 'Documentation', href: '#' },
{ name: 'Something #1', href: '#' },
{ name: 'Something #2', href: '#' },
{ name: 'Something #3', href: '#' },
{ name: 'Something #4', href: '#' },
{ name: 'Something #5', href: '#' },
{ name: 'Something #6', href: '#' },
],
},
{
title: 'BUILT-IN SERVICES',
links: [
{ name: 'blog', href: '#' },
{ name: 'Documentation', href: '#' },
],
},
];
document.querySelector('opc-menu-drawer').links = links;
document.querySelector('opc-menu-drawer').open();
Screenshot

opc-menu-drawer with footer
Details
The footer component will be at the bottom of the drawer body. It can be added using the slot footer. When the contents of the drawer cause overflow, the footer will be at the bottom.
Code
<opc-menu-drawer headerTitle="Akhil Mohan">
<span slot="avatar">AM</span>
<span slot="footer">2021 Red Hat </span>
</opc-menu-drawer>
document.querySelector('opc-menu-drawer').open();
Screenshot

Slots
There are total 5 slots available in this component
-
Default slot: Default slot will be component inside body of the drawer componenent.
-
header: Container component that contains the header component.
-
avatar: The avatar component on drawer header.
-
menu: The menu button on expanding drawer header.
-
footer: Footer component of the drawer body.
Attributes
links
- Type:
Array
- Default value: [ ]
document.querySelector("opc-menu-drawer").links = {
title: "BUILT-IN SERVICES",
links: [
{ name: "Blog#2", href: "#" },
{ name: "Documentation#1", href: "#" },
],
},;
headerTitle
- Type:
String
- Default value:
''
<opc-menu-drawer headerTitle="Akhil Mohan"></opc-menu-drawer isOpen>
Methods
isOpen
- Type:
Boolean
- Default value:
false
document.querySelector('opc-menu-drawer').isOpen;
open
- Description: To open the drawer.
document.querySelector('opc-menu-drawer').open();
close
- Description: To close the drawer.
document.querySelector('opc-menu-drawer').close();
toggle
- Description: To toggle the drawer states.
document.querySelector('opc-menu-drawer').toggle();
Events
There are two events emitted by opc-menu-drawer emitter when drawer state changes.
Dispatched when drawer opens.
Example:
document
.querySelector('opc-menu-drawer')
.addEventListener('opc-menu-drawer:open', function (event) {
alert('drawer opened');
});
Dispatched when drawer closed.
Example:
document
.querySelector('opc-menu-drawer')
.addEventListener('opc-menu-drawer:close', function (event) {
alert('drawer closed');
});
CSS Variables
--opc-menu-drawer__backdrop-color | #00000060 |
--opc-menu-drawer__btn-hover-color | #efefef |
--opc-menu-drawer__z-index | 9 |
--opc-menu-drawer__width | 260px |
--opc-menu-drawer__top | 0px |
--opc-menu-drawer__right | #000 |
--opc-menu-drawer__menu-padding | 8px 21px |
--opc-menu-drawer__link-group-title-color | #6a6e73 |
--opc-menu-drawer__transition--default | 120ms ease-in-out |
Install
npm install
Usage
npm install --save @one-platform/opc-menu-drawer
For VanillaJS
import '@one-platform/opc-menu-drawer/dist/opc-menu-drawer';
<opc-menu-drawer> </opc-menu-drawer>
For Angular
- In your app.module include the
CUSTOM_ELEMENTS_SCHEMA and import the component
import { NgModule, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
import '@one-platform/opc-menu-drawer/dist/opc-menu-drawer';
@NgModule({
declarations: [AppComponent],
imports: [BrowserModule],
schemas: [CUSTOM_ELEMENTS_SCHEMA],
providers: [],
bootstrap: [AppComponent],
})
export class AppModule {}
- Add component in any component html template
<opc-menu-drawer> </opc-menu-drawer>
For React
- Import the component in App.js
import '@one-platform/opc-menu-drawer/dist/opc-menu-drawer';
- Add component in any component html render
<opc-menu-drawer> </opc-menu-drawer>
Development server
npm run dev opc-menu-drawer
Build
npm run build opc-menu-drawer
Run tests
npm run test
🤝 Contributors
👤 akhilmhdh