178 lines
3.5 KiB
JavaScript
178 lines
3.5 KiB
JavaScript
// @flow
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import React, { PureComponent } from 'react';
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import { getFieldValue } from '../../../react';
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type Props = {
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/**
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* Class name to be appended to the default class list.
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*/
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className?: string,
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/**
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* Callback for the onChange event of the field.
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*/
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onChange: Function,
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/**
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* Callback to be used when the user hits Enter in the field.
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*/
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onSubmit?: Function,
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/**
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* Placeholder text for the field.
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*/
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placeHolder: string,
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/**
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* The field type (e.g. text, password...etc).
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*/
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type: string,
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/**
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* Externally provided value.
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*/
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value?: string
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};
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type State = {
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/**
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* True if the field is focused, false otherwise.
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*/
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focused: boolean,
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/**
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* The current value of the field.
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*/
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value: string
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}
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/**
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* Implements a pre-styled input field to be used on pre-meeting screens.
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*/
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export default class InputField extends PureComponent<Props, State> {
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static defaultProps: {
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className: '',
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type: 'text'
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};
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/**
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* Instantiates a new component.
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*
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* @inheritdoc
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*/
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constructor(props: Props) {
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super(props);
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this.state = {
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focused: false,
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value: props.value || ''
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};
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this._onBlur = this._onBlur.bind(this);
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this._onChange = this._onChange.bind(this);
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this._onFocus = this._onFocus.bind(this);
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this._onKeyDown = this._onKeyDown.bind(this);
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}
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/**
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* Implements {@code PureComponent.getDerivedStateFromProps}.
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*
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* @inheritdoc
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*/
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static getDerivedStateFromProps(props: Props, state: State) {
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const { value } = props;
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if (state.value !== value) {
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return {
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...state,
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value
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};
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}
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return null;
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}
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/**
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* Implements {@code PureComponent#render}.
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*
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* @inheritdoc
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*/
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render() {
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return (
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<input
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className = { `field ${this.state.focused ? 'focused' : ''} ${this.props.className || ''}` }
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onBlur = { this._onBlur }
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onChange = { this._onChange }
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onFocus = { this._onFocus }
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onKeyDown = { this._onKeyDown }
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placeholder = { this.props.placeHolder }
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type = { this.props.type }
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value = { this.state.value } />
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);
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}
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_onBlur: () => void;
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/**
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* Callback for the onBlur event of the field.
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*
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* @returns {void}
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*/
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_onBlur() {
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this.setState({
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focused: false
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});
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}
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_onChange: Object => void;
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/**
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* Callback for the onChange event of the field.
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*
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* @param {Object} evt - The static event.
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* @returns {void}
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*/
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_onChange(evt) {
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const value = getFieldValue(evt);
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this.setState({
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value
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});
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const { onChange } = this.props;
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onChange && onChange(value);
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}
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_onFocus: () => void;
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/**
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* Callback for the onFocus event of the field.
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*
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* @returns {void}
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*/
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_onFocus() {
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this.setState({
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focused: true
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});
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}
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_onKeyDown: Object => void;
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/**
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* Joins the conference on 'Enter'.
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*
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* @param {Event} event - Key down event object.
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* @returns {void}
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*/
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_onKeyDown(event) {
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const { onSubmit } = this.props;
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onSubmit && event.key === 'Enter' && onSubmit();
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}
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}
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