ant-design/components/tag/index.tsx

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import React from 'react';
import ReactDOM from 'react-dom';
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import Animate from 'rc-animate';
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import classNames from 'classnames';
import omit from 'omit.js';
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import Icon from '../icon';
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import CheckableTag from './CheckableTag';
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export { CheckableTagProps } from './CheckableTag';
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export interface TagProps {
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prefixCls?: string;
className?: string;
color?: string;
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/** 标签是否可以关闭 */
closable?: boolean;
/** 关闭时的回调 */
onClose?: Function;
/** 动画关闭后的回调 */
afterClose?: Function;
style?: React.CSSProperties;
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}
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export interface TagState {
closing: boolean;
closed: boolean;
}
export default class Tag extends React.Component<TagProps, TagState> {
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static CheckableTag = CheckableTag;
static defaultProps = {
prefixCls: 'ant-tag',
closable: false,
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};
constructor(props: TagProps) {
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super(props);
this.state = {
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closing: false,
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closed: false,
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};
}
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close = (e: React.MouseEvent<HTMLElement>) => {
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const onClose = this.props.onClose;
if (onClose) {
onClose(e);
}
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if (e.defaultPrevented) {
return;
}
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const dom = ReactDOM.findDOMNode(this) as HTMLElement;
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dom.style.width = `${dom.getBoundingClientRect().width}px`;
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// It's Magic Code, don't know why
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dom.style.width = `${dom.getBoundingClientRect().width}px`;
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this.setState({
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closing: true,
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});
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}
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animationEnd = (_: string, existed: boolean) => {
if (!existed && !this.state.closed) {
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this.setState({
closed: true,
closing: false,
});
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const afterClose = this.props.afterClose;
if (afterClose) {
afterClose();
}
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}
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}
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isPresetColor(color?: string): boolean {
if (!color) { return false; }
return /^(pink|red|yellow|orange|cyan|green|blue|purple)(-inverse)?$/.test(color);
}
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render() {
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const { prefixCls, closable, color, className, children, style, ...otherProps } = this.props;
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const closeIcon = closable ? <Icon type="cross" onClick={this.close} /> : '';
const isPresetColor = this.isPresetColor(color);
const classString = classNames(prefixCls, {
[`${prefixCls}-${color}`]: isPresetColor,
[`${prefixCls}-has-color`]: (color && !isPresetColor),
[`${prefixCls}-close`]: this.state.closing,
}, className);
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// fix https://fb.me/react-unknown-prop
const divProps = omit(otherProps, [
'onClose',
'afterClose',
]);
const tagStyle = {
backgroundColor: (color && !isPresetColor) ? color : null,
...style,
};
const tag = this.state.closed ? null : (
<div
data-show={!this.state.closing}
{...divProps}
className={classString}
style={tagStyle}
>
<span className={`${prefixCls}-text`}>{children}</span>
{closeIcon}
</div>
);
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return (
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<Animate
component=""
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showProp="data-show"
transitionName={`${prefixCls}-zoom`}
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transitionAppear
onEnd={this.animationEnd}
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>
{tag}
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</Animate>
);
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}
}