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| import React, { Component, PureComponent } from 'react';
import setClass from 'classnames'; import PropTypes from 'prop-types';
import omit from 'lodash/omit';
const BLACK_LIST = [ 'type', 'size', 'htmlType', 'block', 'component', 'disabled', 'loading', 'outline', 'bordered', 'className', 'prefix' ];
const BTN_BLACK_LIST = ['href', 'target'].concat(BLACK_LIST);
const A_BLACK_LIST = ['href', 'target'].concat(BLACK_LIST);
export default class Button extends (PureComponent || Component) { static propTypes = { type: PropTypes.oneOf(['default', 'primary', 'success', 'danger', 'link']), size: PropTypes.oneOf(['large', 'medium', 'small']), htmlType: PropTypes.oneOf(['button', 'submit', 'reset']), className: PropTypes.string, block: PropTypes.bool, component: PropTypes.oneOfType([PropTypes.string, PropTypes.func]), disabled: PropTypes.bool, loading: PropTypes.bool, outline: PropTypes.bool, bordered: PropTypes.bool, prefix: PropTypes.string };
static defaultProps = { type: 'default', size: 'medium', htmlType: 'button', className: '', block: false, disabled: false, loading: false, outline: false, bordered: true, prefix: 'zent' };
constructor(props) { super(props); }
handleClick = (event) => { if (this.props.disabled || this.props.loading) return;
if (this.props.onClick) { this.props.onClick(event); } }
renderLink = (classNames) => { const Node = this.props.component || 'a'; const disabled = this.props.disabled || this.props.loading; const { href = '', target } = this.props; const nodeProps = omit(this.props, A_BLACK_LIST);
return ( <Node {...(disabled ? {} : { href, target })} {...nodeProps} className={classNames} onClick={this.handleClick} > {this.props.children} </Node> ); }
// render button 标签 renderButton = (classNames) => { const Node = this.props.component || 'button'; const disabled = this.props.disabled || this.props.loading; const htmlType = this.props.htmlType; const nodeProps = omit(this.props, BTN_BLACK_LIST);
return ( <Node {...nodeProps} {...(htmlType ? { type: htmlType } : {})} className={classNames} disabled={disabled} onClick={this.handleClick} > {this.props.children} </Node> ); }
render() { let renderer = (this.props.href || this.props.target) ? 'renderLink' : 'renderButton';
let { className, type, size, block, disabled, loading, outline, bordered, prefix } = this.props; let classNames = setClass( { [`${prefix}-btn-${type}${outline ? '-outline' : ''}`]: type !== 'default', [`${prefix}-btn-${size}`]: size !== 'medium', [`${prefix}-btn-block`]: block, [`${prefix}-btn-loading`]: loading, [`${prefix}-btn-disabled`]: disabled, [`${prefix}-btn-border-transparent`]: !bordered }, `${prefix}-btn`, className );
return this[renderer](classNames); } }
|