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opc-menu-drawer Component
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 menu
Details
The menu is the bottom element seen on the drawer body. It contains a collapsable box with a title from the attribute menuTitle
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 menuTitle="Akhil Mohan">
<span slot="avatar">AM</span>
<button slot="menu">Log In</button>
</opc-menu-drawer>
document.querySelector('opc-menu-drawer').open();
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 menuTitle="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: '#', isDisabled: true },
{ 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();
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 menuTitle="Akhil Mohan">
<span slot="avatar">AM</span>
<span slot="footer">2021 Red Hat </span>
</opc-menu-drawer>
document.querySelector('opc-menu-drawer').open();
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. -
header-body
: Body component for the header. Eg: Filter chips can be placed here -
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: [ ]
- Type:
document.querySelector("opc-menu-drawer").links = {
title: "BUILT-IN SERVICES",
links: [
{ name: "Blog#2", href: "#", isDisabled: true },
{ name: "Documentation#1", href: "#" },
],
},;
-
title
- Type:
String
- Default value:
Menu
- Type:
<opc-menu-drawer title="Menu Drawer"></opc-menu-drawer isOpen>
-
menuTitle
- Type:
String
- Default value:
''
- Type:
<opc-menu-drawer menuTitle="Akhil Mohan"></opc-menu-drawer isOpen>
Methods
-
isOpen
- Type:
Boolean
- Default value:
false
- Type:
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.
opc-menu-drawer:open
Dispatched when drawer opens.
Example:
document
.querySelector('opc-menu-drawer')
.addEventListener('opc-menu-drawer:open', function (event) {
alert('drawer opened');
});
opc-menu-drawer:close
Dispatched when drawer closed.
Example:
document
.querySelector('opc-menu-drawer')
.addEventListener('opc-menu-drawer:close', function (event) {
alert('drawer closed');
});
CSS Variables
CSS Variable name | Value |
---|---|
--opc-menu-drawer__backdrop-color |
#00000060 |
--opc-menu-drawer__btn-hover-color |
#efefef |
--opc-menu-drawer__z-index |
9 |
--opc-menu-drawer__width |
360px |
--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
Install opc-menu-drawer
npm install --save @one-platform/opc-menu-drawer
For VanillaJS
- Import component
import '@one-platform/opc-menu-drawer/dist/opc-menu-drawer';
- Add component in html
<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
- Run development server
npm run dev opc-menu-drawer
Build
npm run build opc-menu-drawer
Run tests
npm run test