168 lines
4 KiB
TypeScript
168 lines
4 KiB
TypeScript
import { PureComponent } from 'react';
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import classNames from 'classnames';
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import { AnimatedNumber } from './animated_number';
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import { Icon } from './icon';
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interface Props {
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className?: string;
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title: string;
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icon: string;
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onClick?: React.MouseEventHandler<HTMLButtonElement>;
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onMouseDown?: React.MouseEventHandler<HTMLButtonElement>;
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onKeyDown?: React.KeyboardEventHandler<HTMLButtonElement>;
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onKeyPress?: React.KeyboardEventHandler<HTMLButtonElement>;
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size: number;
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active: boolean;
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expanded?: boolean;
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style?: React.CSSProperties;
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activeStyle?: React.CSSProperties;
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disabled: boolean;
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inverted?: boolean;
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animate: boolean;
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overlay: boolean;
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tabIndex: number;
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counter?: number;
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obfuscateCount?: boolean;
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href?: string;
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ariaHidden: boolean;
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}
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interface States {
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activate: boolean;
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deactivate: boolean;
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}
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export class IconButton extends PureComponent<Props, States> {
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static defaultProps = {
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size: 18,
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active: false,
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disabled: false,
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animate: false,
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overlay: false,
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tabIndex: 0,
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ariaHidden: false,
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};
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state = {
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activate: false,
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deactivate: false,
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};
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UNSAFE_componentWillReceiveProps(nextProps: Props) {
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if (!nextProps.animate) return;
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if (this.props.active && !nextProps.active) {
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this.setState({ activate: false, deactivate: true });
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} else if (!this.props.active && nextProps.active) {
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this.setState({ activate: true, deactivate: false });
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}
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}
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handleClick: React.MouseEventHandler<HTMLButtonElement> = (e) => {
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e.preventDefault();
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if (!this.props.disabled && this.props.onClick != null) {
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this.props.onClick(e);
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}
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};
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handleKeyPress: React.KeyboardEventHandler<HTMLButtonElement> = (e) => {
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if (this.props.onKeyPress && !this.props.disabled) {
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this.props.onKeyPress(e);
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}
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};
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handleMouseDown: React.MouseEventHandler<HTMLButtonElement> = (e) => {
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if (!this.props.disabled && this.props.onMouseDown) {
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this.props.onMouseDown(e);
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}
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};
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handleKeyDown: React.KeyboardEventHandler<HTMLButtonElement> = (e) => {
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if (!this.props.disabled && this.props.onKeyDown) {
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this.props.onKeyDown(e);
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}
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};
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render() {
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const style = {
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fontSize: `${this.props.size}px`,
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width: `${this.props.size * 1.28571429}px`,
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height: `${this.props.size * 1.28571429}px`,
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lineHeight: `${this.props.size}px`,
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...this.props.style,
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...(this.props.active ? this.props.activeStyle : {}),
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};
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const {
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active,
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className,
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disabled,
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expanded,
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icon,
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inverted,
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overlay,
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tabIndex,
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title,
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counter,
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obfuscateCount,
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href,
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ariaHidden,
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} = this.props;
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const { activate, deactivate } = this.state;
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const classes = classNames(className, 'icon-button', {
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active,
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disabled,
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inverted,
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activate,
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deactivate,
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overlayed: overlay,
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'icon-button--with-counter': typeof counter !== 'undefined',
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});
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if (typeof counter !== 'undefined') {
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style.width = 'auto';
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}
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let contents = (
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<>
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<Icon id={icon} fixedWidth aria-hidden='true' />{' '}
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{typeof counter !== 'undefined' && (
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<span className='icon-button__counter'>
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<AnimatedNumber value={counter} obfuscate={obfuscateCount} />
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</span>
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)}
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</>
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);
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if (href != null) {
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contents = (
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<a href={href} target='_blank' rel='noopener noreferrer'>
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{contents}
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</a>
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);
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}
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return (
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<button
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type='button'
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aria-label={title}
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aria-expanded={expanded}
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aria-hidden={ariaHidden}
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title={title}
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className={classes}
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onClick={this.handleClick}
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onMouseDown={this.handleMouseDown}
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onKeyDown={this.handleKeyDown}
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onKeyPress={this.handleKeyPress}
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style={style}
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tabIndex={tabIndex}
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disabled={disabled}
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>
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{contents}
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</button>
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);
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}
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}
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