import { ReactElement, ReactNode } from 'react';
import { DivProps, Id, SelectableProps } from '../../types';
import { OptionType, SelectionContextBaseProps } from '../selectionContext';
import { InputProps } from '../input';
import { TreeNode, TreeNodeProps } from './treeNode';
export interface NodeType<V extends Id = Id> extends Partial<Omit<TreeNodeProps, 'children'>>, Omit<OptionType<V>, 'children'> {
    children?: NodeType<V>[];
}
export type SortPlacement = 'before' | 'after' | 'child';
export type SortInfo<V extends Id = Id> = {
    source: V;
    destination: V;
    placement: SortPlacement;
};
export interface TreeSharedProps<N extends NodeType<V>, V extends Id = Id> extends Omit<SelectionContextBaseProps<N, V>, 'options'> {
    nodes?: N[];
    /** 默认为`label` */
    labelKey?: keyof N;
    searchTokenKey?: keyof N;
    showLine?: boolean;
    indent?: number;
    renderExpandIcon?(nodeValue: V, isExpand: boolean, expanded: V[]): ReactNode;
    /** 是否显示`checkbox`选择框，`multiple`为`true`时，默认为`true`，否则默认为`false` */
    showCheckbox?: boolean;
    readOnly?: boolean;
    /** 为true时，点击标签也会展开节点，默认为`false`, 仅点击展开按钮才能展开节点 */
    clickLabelToExpand?: boolean;
    defaultExpanded?: V[];
    expanded?: V[];
    onExpandedChange?(expanded: V[], nodeValue: V, isExpand: boolean): void;
    /** 是否可以拖拽排序，默认为`false` */
    sortable?: boolean;
    /** 是否显示拖拽把手，默认为`true` */
    showDragHandle?: boolean;
    onSort?(info: SortInfo<V>): void;
}
export interface TreeBaseProps<N extends NodeType<V>, V extends Id = Id> extends TreeSharedProps<N, V>, Omit<DivProps, 'defaultValue' | 'onChange' | 'onToggle'> {
    searchable?: boolean;
    searchInputProps?: InputProps;
    defaultSearchValue?: string;
    searchValue?: string;
    onSearchChange?(searchValue: string): void;
}
export type TreeProps<N extends NodeType<V>, V extends Id = Id> = TreeBaseProps<N, V> & SelectableProps<V>;
type TreeContext<V extends Id = Id> = {
    expandedSet: Set<V>;
    toggleExpanded(value: V): void;
    indent: number;
    renderExpandIcon?: TreeBaseProps<any, V>['renderExpandIcon'];
    showCheckbox: boolean;
    readOnly?: boolean;
    disabled?: boolean;
    clickLabelToExpand?: boolean;
};
declare const TreeContext: import("react").Context<TreeContext<any>>;
export declare function useTreeContext<V extends Id = Id>(): TreeContext<V>;
export declare const Tree: {
    <N extends NodeType<V>, V extends Id = Id>(props: TreeProps<N, V>): ReactElement;
    Node: typeof TreeNode;
};
export {};