import React from 'react'; import classNames from 'classnames'; import { Icon } from './icon'; import { AnimatedNumber } from './animated_number'; type Props = { className?: string; title: string; icon: string; onClick?: React.MouseEventHandler; onMouseDown?: React.MouseEventHandler; onKeyDown?: React.KeyboardEventHandler; onKeyPress?: React.KeyboardEventHandler; size: number; active: boolean; expanded?: boolean; style?: React.CSSProperties; activeStyle?: React.CSSProperties; disabled: boolean; inverted?: boolean; animate: boolean; overlay: boolean; tabIndex: number; label?: string; counter?: number; obfuscateCount?: boolean; href?: string; ariaHidden: boolean; }; type States = { activate: boolean; deactivate: boolean; }; export class IconButton extends React.PureComponent { static defaultProps = { size: 18, active: false, disabled: false, animate: false, overlay: false, tabIndex: 0, ariaHidden: false, }; state = { activate: false, deactivate: false, }; UNSAFE_componentWillReceiveProps(nextProps: Props) { if (!nextProps.animate) return; if (this.props.active && !nextProps.active) { this.setState({ activate: false, deactivate: true }); } else if (!this.props.active && nextProps.active) { this.setState({ activate: true, deactivate: false }); } } handleClick: React.MouseEventHandler = (e) => { e.preventDefault(); if (!this.props.disabled && this.props.onClick != null) { this.props.onClick(e); } }; handleKeyPress: React.KeyboardEventHandler = (e) => { if (this.props.onKeyPress && !this.props.disabled) { this.props.onKeyPress(e); } }; handleMouseDown: React.MouseEventHandler = (e) => { if (!this.props.disabled && this.props.onMouseDown) { this.props.onMouseDown(e); } }; handleKeyDown: React.KeyboardEventHandler = (e) => { if (!this.props.disabled && this.props.onKeyDown) { this.props.onKeyDown(e); } }; render() { // Hack required for some icons which have an overriden size let containerSize = '1.28571429em'; if (this.props.style?.fontSize) { containerSize = `${this.props.size * 1.28571429}px`; } const style = { fontSize: `${this.props.size}px`, height: containerSize, lineHeight: `${this.props.size}px`, ...this.props.style, ...(this.props.active ? this.props.activeStyle : {}), }; if (!this.props.label) { style.width = containerSize; } else { style.textAlign = 'left'; } const { active, className, disabled, expanded, icon, inverted, overlay, tabIndex, title, counter, obfuscateCount, href, ariaHidden, } = this.props; const { activate, deactivate } = this.state; const classes = classNames(className, 'icon-button', { active, disabled, inverted, activate, deactivate, overlayed: overlay, 'icon-button--with-counter': typeof counter !== 'undefined', }); if (typeof counter !== 'undefined') { style.width = 'auto'; } let contents = ( ); if (href != null) { contents = ( {contents} ); } return ( ); } }