import { ToHEmitDefinition } from '../utils';
import type { DragRef } from './dragRef';
import type { DropListRef } from './dropListRef';
export interface DragConfig {
    /**
     * 锁定移动方向
     *
     * 默认为不限制
     */
    lockAxis?: 'x' | 'y';
    dragStartDelay: number;
    previewClass?: string | string[];
    zIndex: number;
    /**
     * 拖拽移动了多少个像素才需要进行处理
     */
    dragStartThreshold: number;
    /**
     * 鼠标移动了多少个像素才需要进行更新
     */
    pointerDirectionChangeThreshold: number;
    placeholderClass?: string | string[];
}
export interface Point {
    x: number;
    y: number;
}
export interface Delta {
    x: -1 | 0 | 1;
    y: -1 | 0 | 1;
}
export interface FatDragItemEventPayload {
    move: {
        source: DragRef;
        pointerPosition: Point;
        event: MouseEvent | TouchEvent;
        distance: Point;
    };
    started: {
        source: DragRef;
        event: MouseEvent | TouchEvent;
    };
    release: {
        source: DragRef;
        event: MouseEvent | TouchEvent;
    };
    ended: {
        source: DragRef;
        distance: Point;
        dropPoint: Point;
        event: MouseEvent | TouchEvent;
    };
    exited: {
        source: DragRef;
        container: DropListRef;
    };
    enter: {
        source: DragRef;
        container: DropListRef;
        index: number;
    };
    dropped: {
        previousIndex: number;
        currentIndex: number;
        item: DragRef;
        container?: DropListRef;
        previousContainer?: DropListRef;
        distance: Point;
        dropPoint: Point;
        event: MouseEvent | TouchEvent;
    };
}
export interface FatDragItemEvents {
    /**
     * 拖拽移动
     * @param payload
     * @returns
     */
    onMove?: (payload: FatDragItemEventPayload['move']) => void;
    /**
     * 拖拽开始
     * @param payload
     * @returns
     */
    onStarted?: (payload: FatDragItemEventPayload['started']) => void;
    /**
     * 拖拽释放
     * @param payload
     * @returns
     */
    onRelease?: (payload: FatDragItemEventPayload['release']) => void;
    /**
     * 拖拽结束
     * @param payload
     * @returns
     */
    onEnded?: (payload: FatDragItemEventPayload['ended']) => void;
    /**
     * 拖拽对象离开容器
     * @param payload
     * @returns
     */
    onExited?: (payload: FatDragItemEventPayload['exited']) => void;
    /**
     * 拖拽对象进入容器
     * @param payload
     * @returns
     */
    onEnter?: (payload: FatDragItemEventPayload['enter']) => void;
    /**
     * 拖拽元素落在容器上
     * @param payload
     * @returns
     */
    onDropped?: (payload: FatDragItemEventPayload['dropped']) => void;
}
export interface FatDragItemSlots {
    /**
     * 拖拽过程中的预览显示
     */
    renderPreview?: (data?: any) => any;
    /**
     * 位于拖拽列表中的占位显示
     */
    renderPlaceholder?: (data?: any) => any;
}
export interface FatDragItemMethods {
    /**
     * 重置拖拽状态
     */
    reset(): void;
}
export interface FatDragItemProps extends FatDragItemEvents, FatDragItemSlots, Omit<DragConfig, 'dragStartDelay' | 'zIndex' | 'pointerDirectionChangeThreshold' | 'dragStartThreshold'> {
    /**
     * 允许拖拽
     */
    disabled?: boolean;
    /**
     * 按下鼠标后持续多久才进行响应拖拽事件
     */
    dragDelay?: number;
    /**
     * 所对应的数据源
     *
     * @remarks
     * 只有在初始化的时候进行一次赋值 后续变动是不会进行更新的
     */
    data: any;
    /**
     * 预览元素的容器位置
     */
    previewContainer?: HTMLElement;
    /**
     * 限制拖拽范围
     *
     * @remarks   *
     * 如果传入的是一个字符串 那么会通过`document.querySelector`去进行获取元素
     */
    dragBoundary?: HTMLElement | string;
}
export type DragRefEvents = ToHEmitDefinition<FatDragItemEvents>;
export type Orientation = 'vertical' | 'horizontal';
export interface FatDropListProps extends Omit<FatDragItemProps, 'lockAxis' | 'dragBoundary'> {
    /**
     * 允许拖拽元素移动到哪些容器上
     *
     */
    connectTo?: DropListRef[];
    /**
     * 数据列表
     */
    data: any[];
    /**
     * 排序方向
     *
     * 默认为 `vertical`
     */
    orientation?: Orientation;
    /**
     * 是否允许拖拽对象进入该容器
     * @param drag
     * @param dropList
     */
    enterPredicate?: (drag: DragRef, dropList: DropListRef) => boolean;
    /**
     * 判断鼠标是否靠近容器的宽容值
     */
    dropSortThreshold?: number;
}
export type FatDropListEvents = FatDragItemEvents;
export type FatDropListSlots = FatDragItemSlots;
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