React UI Components Documentation
Typescript React Knob Component
This tutorial will show you the basics of how to get started with the jQWidgets Knob React Component.
Prerequisites
Refer to Getting Started with React before you start with this help topic.
Structure
I. Imports:
import * as React from 'react'; import 'jqwidgets-scripts/jqwidgets/styles/jqx.base.css';import 'jqwidgets-scripts/jqwidgets/styles/jqx.material-purple.css';import JqxKnob, { IKnobProps } from 'jqwidgets-scripts/jqwidgets-react-tsx/jqxknob';
II. Class:
class App extends React.PureComponent<{}, IKnobProps> { constructor(props: {}) { super(props); this.state = { width: '100%' // Other Widget Props } } render() { return ( <JqxKnob width={this.state.width} height={"100%"} ..... /> ) }}
III. Render:
Events
The event names in React are constructed of the original event names starting with capital letter plus on upfront:
Methods & Properties
This is how you call methods & props:
Every component have a method setOptions which accepts a object as an argument. This object contains component settings.
Every component also have a method getOptions which returns the value of the requested option.
Knob API
API Reference of the jQWidgets Knob React Component: Knob API
Knob Demos
Demos Reference of the jQwidgets Knob React Component: Knob Demos