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50 lines
1.7 KiB
50 lines
1.7 KiB
import * as React from 'react';
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import { ConfigConsumerProps } from '../config-provider';
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export interface AffixProps {
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/** 距离窗口顶部达到指定偏移量后触发 */
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offsetTop?: number;
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/** 距离窗口底部达到指定偏移量后触发 */
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offsetBottom?: number;
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style?: React.CSSProperties;
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/** 固定状态改变时触发的回调函数 */
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onChange?: (affixed?: boolean) => void;
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/** 设置 Affix 需要监听其滚动事件的元素，值为一个返回对应 DOM 元素的函数 */
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target?: () => Window | HTMLElement | null;
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prefixCls?: string;
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className?: string;
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children: React.ReactNode;
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}
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declare enum AffixStatus {
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None = 0,
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Prepare = 1
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}
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export interface AffixState {
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affixStyle?: React.CSSProperties;
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placeholderStyle?: React.CSSProperties;
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status: AffixStatus;
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lastAffix: boolean;
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prevTarget: Window | HTMLElement | null;
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}
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declare class Affix extends React.Component<AffixProps, AffixState> {
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static contextType: React.Context<ConfigConsumerProps>;
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state: AffixState;
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placeholderNode: HTMLDivElement;
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fixedNode: HTMLDivElement;
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private timeout;
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context: ConfigConsumerProps;
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private getTargetFunc;
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componentDidMount(): void;
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componentDidUpdate(prevProps: AffixProps): void;
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componentWillUnmount(): void;
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getOffsetTop: () => number | undefined;
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getOffsetBottom: () => number | undefined;
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savePlaceholderNode: (node: HTMLDivElement) => void;
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saveFixedNode: (node: HTMLDivElement) => void;
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measure: () => void;
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prepareMeasure: () => void;
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updatePosition(): void;
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lazyUpdatePosition(): void;
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render(): JSX.Element;
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}
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export default Affix;
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