/**
 * This file is part of the NocoBase (R) project.
 * Copyright (c) 2020-2024 NocoBase Co., Ltd.
 * Authors: NocoBase Team.
 *
 * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License.
 * For more information, please refer to: https://www.nocobase.com/agreement.
 */
/** 栅格系统常量 */
export declare const DEFAULT_GRID_COLUMNS = 24;
/** 最小 slot 厚度 */
export declare const MIN_SLOT_THICKNESS = 16;
/** 最大 slot 厚度 */
export declare const MAX_SLOT_THICKNESS = 48;
/** 列边缘最小宽度 */
export declare const COLUMN_EDGE_MIN_WIDTH = 12;
/** 列边缘最大宽度 */
export declare const COLUMN_EDGE_MAX_WIDTH = 28;
/** 列边缘宽度占列宽的比例（原来是 1/5） */
export declare const COLUMN_EDGE_WIDTH_RATIO = 0.2;
export interface Rect {
    top: number;
    left: number;
    width: number;
    height: number;
}
export interface Point {
    x: number;
    y: number;
}
export interface GridLayoutData {
    rows: Record<string, string[][]>;
    sizes: Record<string, number[]>;
    rowOrder?: string[];
    layout?: GridLayoutV2;
}
export interface GridLayoutV2 {
    version: 2;
    rows: GridRowV2[];
}
export interface GridRowV2 {
    id: string;
    cells: GridCellV2[];
    sizes: number[];
}
export interface GridCellV2 {
    id: string;
    items?: string[];
    rows?: GridRowV2[];
}
export interface GridLayoutPathEntry {
    rowId: string;
    cellId?: string;
}
export type GridLayoutPath = GridLayoutPathEntry[];
export interface GridLayoutPosition {
    path: GridLayoutPath;
    rowIndex: number;
    cellIndex: number;
    itemIndex: number;
    itemUid: string;
}
export interface ColumnSlot {
    type: 'column';
    rowId: string;
    columnIndex: number;
    insertIndex: number;
    position: 'before' | 'after';
    rect: Rect;
    path?: GridLayoutPath;
}
export interface ColumnEdgeSlot {
    type: 'column-edge';
    rowId: string;
    columnIndex: number;
    direction: 'left' | 'right';
    rect: Rect;
    path?: GridLayoutPath;
}
export interface RowGapSlot {
    type: 'row-gap';
    targetRowId: string;
    position: 'above' | 'below';
    rect: Rect;
    path?: GridLayoutPath;
}
export interface EmptyRowSlot {
    type: 'empty-row';
    rect: Rect;
}
export interface EmptyColumnSlot {
    type: 'empty-column';
    rowId: string;
    columnIndex: number;
    rect: Rect;
    path?: GridLayoutPath;
}
export interface ItemEdgeSlot {
    type: 'item-edge';
    rowId: string;
    columnIndex: number;
    itemIndex: number;
    itemUid: string;
    direction: 'left' | 'right';
    rect: Rect;
    path?: GridLayoutPath;
}
export type LayoutSlot = ColumnSlot | ColumnEdgeSlot | RowGapSlot | EmptyRowSlot | EmptyColumnSlot | ItemEdgeSlot;
/**
 * 列内插入的配置
 */
export interface ColumnInsertConfig {
    /** 高亮区域的高度（像素） */
    height?: number;
    /** 垂直偏移（像素），正数向下，负数向上 */
    offsetTop?: number;
}
/**
 * 列边缘的配置
 */
export interface ColumnEdgeConfig {
    /** 高亮区域的宽度（像素） */
    width?: number;
    /** 水平偏移（像素），正数向右，负数向左 */
    offsetLeft?: number;
}
/**
 * 行间隙的配置
 */
export interface RowGapConfig {
    /** 高亮区域的高度（像素） */
    height?: number;
    /** 垂直偏移（像素），正数向下，负数向上 */
    offsetTop?: number;
}
/**
 * 拖拽高亮区域的全局配置
 */
export interface DragOverlayConfig {
    /** 列内插入（before 表示在区块上方插入，after 表示在区块下方插入） */
    columnInsert?: {
        before?: ColumnInsertConfig;
        after?: ColumnInsertConfig;
    };
    /** 列边缘（left 表示在左侧新建列，right 表示在右侧新建列） */
    columnEdge?: {
        left?: ColumnEdgeConfig;
        right?: ColumnEdgeConfig;
    };
    /** 行间隙（above 表示在行上方插入，below 表示在行下方插入） */
    rowGap?: {
        above?: RowGapConfig;
        below?: RowGapConfig;
    };
}
export interface LayoutSnapshot {
    slots: LayoutSlot[];
    containerRect: Rect;
}
export interface BuildLayoutSnapshotOptions {
    container: HTMLElement | null;
}
export declare const buildLayoutSnapshot: ({ container }: BuildLayoutSnapshotOptions) => LayoutSnapshot;
export declare const getSlotKey: (slot: LayoutSlot) => string;
export declare const resolveDropIntent: (point: Point, slots: LayoutSlot[]) => LayoutSlot | null;
export declare const projectLayoutToLegacyRows: (layout: GridLayoutV2) => GridLayoutData;
export declare const normalizeGridLayout: ({ layout, rows, sizes, rowOrder, itemUids, generateId, logger, gridUid, }: {
    layout?: GridLayoutV2 | null;
    rows?: Record<string, string[][]>;
    sizes?: Record<string, number[]>;
    rowOrder?: string[];
    itemUids?: string[];
    generateId?: () => string;
    logger?: Pick<Console, 'warn'>;
    gridUid?: string;
}) => GridLayoutV2;
export declare const replaceUidInGridLayout: (layout: GridLayoutV2, fromUid: string, toUid: string) => GridLayoutV2;
export declare const findModelUidLayoutPosition: (layout: GridLayoutV2, uidValue: string) => GridLayoutPosition | null;
export declare const isSameGridLayout: (a: GridLayoutV2, b: GridLayoutV2) => boolean;
export interface SimulateLayoutOptions {
    slot: LayoutSlot;
    sourceUid: string;
    layout: GridLayoutData;
    generateRowId?: () => string;
    generatedIds?: Map<string, string>;
    generateId?: (key: string) => string;
}
export declare const simulateLayoutForSlot: ({ slot, sourceUid, layout, generateRowId, generatedIds, generateId, }: SimulateLayoutOptions) => GridLayoutData;