import type { InjectionKey, Ref, SetupContext } from 'vue';
import type { AllowDragFunction, AllowDropFunction, FakeNode, NodeDropType } from '../tree.type';
import type TreeStore from './tree-store';
import type Node from './node';
interface TreeNode {
    node: Node;
    $el?: HTMLElement;
}
interface DragOptions {
    event: DragEvent;
    treeNode: TreeNode;
}
interface Props {
    props: {
        allowDrag?: AllowDragFunction;
        allowDrop?: AllowDropFunction;
    };
    ctx: SetupContext<string[]>;
    el$: Ref<HTMLElement | null>;
    dropIndicator$: Ref<HTMLElement | null>;
    store: Ref<TreeStore>;
}
export interface DragEvents {
    treeNodeDragStart: (options: DragOptions) => void;
    treeNodeDragOver: (options: DragOptions) => void;
    treeNodeDragEnd: (event: DragEvent) => void;
}
export declare const dragEventsKey: InjectionKey<DragEvents>;
export declare function useDragNodeHandler({ props, ctx, el$, dropIndicator$, store, }: Props): {
    dragState: Ref<{
        allowDrop: boolean;
        dropType: NodeDropType | null;
        draggingNode: {
            node: {
                id: number;
                text: string | null;
                checked: boolean;
                indeterminate: boolean;
                data: import("../tree.type").TreeNodeData;
                expanded: boolean;
                parent: any | null;
                visible: boolean;
                isCurrent: boolean;
                store: {
                    currentNode: any | null;
                    currentNodeKey: import("../tree.type").TreeKey | null;
                    nodesMap: import("../tree.type").TreeStoreNodesMap;
                    root: any;
                    data: import("../tree.type").TreeNodeData[];
                    lazy: boolean;
                    load?: import("../tree.type").LoadFunction | undefined;
                    filterNodeMethod?: import("../tree.type").FilterNodeMethodFunction | undefined;
                    key: import("../tree.type").TreeKey;
                    defaultCheckedKeys?: import("../tree.type").TreeKey[] | undefined;
                    checkStrictly: boolean;
                    defaultExpandedKeys?: import("../tree.type").TreeKey[] | undefined;
                    autoExpandParent: boolean;
                    defaultExpandAll: boolean;
                    checkDescendants: boolean;
                    props: {
                        children?: string | undefined;
                        label?: (string | ((data: import("../tree.type").TreeNodeData, node: Node) => string)) | undefined;
                        disabled?: (string | ((data: import("../tree.type").TreeNodeData, node: Node) => boolean)) | undefined;
                        isLeaf?: (string | ((data: import("../tree.type").TreeNodeData, node: Node) => boolean)) | undefined;
                        class?: ((data: import("../tree.type").TreeNodeData, node: Node) => string | {
                            [key: string]: boolean;
                        }) | undefined;
                    };
                    initialize: () => void;
                    filter: (value: import("../tree.type").FilterValue) => void;
                    setData: (newVal: import("../tree.type").TreeData) => void;
                    getNode: (data: import("../tree.type").TreeKey | import("../tree.type").TreeNodeData | Node) => Node;
                    insertBefore: (data: import("../tree.type").TreeNodeData, refData: import("../tree.type").TreeKey | import("../tree.type").TreeNodeData | Node) => void;
                    insertAfter: (data: import("../tree.type").TreeNodeData, refData: import("../tree.type").TreeKey | import("../tree.type").TreeNodeData | Node) => void;
                    remove: (data: import("../tree.type").TreeNodeData | Node) => void;
                    append: (data: import("../tree.type").TreeNodeData, parentData: import("../tree.type").TreeNodeData | import("../tree.type").TreeKey | Node) => void;
                    _initDefaultCheckedNodes: () => void;
                    _initDefaultCheckedNode: (node: Node) => void;
                    setDefaultCheckedKey: (newVal: import("../tree.type").TreeKey[]) => void;
                    registerNode: (node: Node) => void;
                    deregisterNode: (node: Node) => void;
                    getCheckedNodes: (leafOnly?: boolean, includeHalfChecked?: boolean) => import("../tree.type").TreeNodeData[];
                    getCheckedKeys: (leafOnly?: boolean) => import("../tree.type").TreeKey[];
                    getHalfCheckedNodes: () => import("../tree.type").TreeNodeData[];
                    getHalfCheckedKeys: () => import("../tree.type").TreeKey[];
                    _getAllNodes: () => Node[];
                    updateChildren: (key: import("../tree.type").TreeKey, data: import("../tree.type").TreeData) => void;
                    _setCheckedKeys: (key: import("../tree.type").TreeKey, leafOnly: boolean | undefined, checkedKeys: {
                        [key: string]: boolean;
                    }) => void;
                    setCheckedNodes: (array: Node[], leafOnly?: boolean) => void;
                    setCheckedKeys: (keys: import("../tree.type").TreeKey[], leafOnly?: boolean) => void;
                    setDefaultExpandedKeys: (keys: import("../tree.type").TreeKey[]) => void;
                    setChecked: (data: import("../tree.type").TreeKey | import("../tree.type").TreeNodeData, checked: boolean, deep: boolean) => void;
                    getCurrentNode: () => Node | null;
                    setCurrentNode: (currentNode: Node) => void;
                    setUserCurrentNode: (node: Node, shouldAutoExpandParent?: boolean) => void;
                    setCurrentNodeKey: (key: import("../tree.type").TreeKey | null, shouldAutoExpandParent?: boolean) => void;
                };
                isLeafByUser: boolean | undefined;
                isLeaf: boolean | undefined;
                canFocus: boolean;
                level: number;
                loaded: boolean;
                childNodes: any[];
                loading: boolean;
                initialize: () => void;
                setData: (data: import("../tree.type").TreeNodeData) => void;
                readonly label: string;
                readonly key: import("../tree.type").TreeKey | null | undefined;
                readonly disabled: boolean;
                readonly nextSibling: any | null;
                readonly previousSibling: any | null;
                contains: (target: Node, deep?: boolean) => boolean;
                remove: () => void;
                insertChild: (child?: FakeNode | Node, index?: number, batch?: boolean) => void;
                insertBefore: (child: FakeNode | Node, ref: Node) => void;
                insertAfter: (child: FakeNode | Node, ref: Node) => void;
                removeChild: (child: Node) => void;
                removeChildByData: (data: import("../tree.type").TreeNodeData | null) => void;
                expand: (callback?: (() => void) | null, expandParent?: boolean) => void;
                doCreateChildren: (array: import("../tree.type").TreeNodeData[], defaultProps?: import("../tree.type").TreeNodeLoadedDefaultProps) => void;
                collapse: () => void;
                shouldLoadData: () => boolean;
                updateLeafState: () => void;
                setChecked: (value?: boolean | string, deep?: boolean, recursion?: boolean, passValue?: boolean) => void;
                getChildren: (forceInit?: boolean) => import("../tree.type").TreeNodeData | import("../tree.type").TreeNodeData[] | null;
                updateChildren: () => void;
                loadData: (callback: (data?: import("../tree.type").TreeNodeData[]) => void, defaultProps?: import("../tree.type").TreeNodeLoadedDefaultProps) => void;
                eachNode: (callback: (node: Node) => void) => void;
                reInitChecked: () => void;
            };
            $el?: HTMLElement | undefined;
        } | null;
        showDropIndicator: boolean;
        dropNode: {
            node: {
                id: number;
                text: string | null;
                checked: boolean;
                indeterminate: boolean;
                data: import("../tree.type").TreeNodeData;
                expanded: boolean;
                parent: any | null;
                visible: boolean;
                isCurrent: boolean;
                store: {
                    currentNode: any | null;
                    currentNodeKey: import("../tree.type").TreeKey | null;
                    nodesMap: import("../tree.type").TreeStoreNodesMap;
                    root: any;
                    data: import("../tree.type").TreeNodeData[];
                    lazy: boolean;
                    load?: import("../tree.type").LoadFunction | undefined;
                    filterNodeMethod?: import("../tree.type").FilterNodeMethodFunction | undefined;
                    key: import("../tree.type").TreeKey;
                    defaultCheckedKeys?: import("../tree.type").TreeKey[] | undefined;
                    checkStrictly: boolean;
                    defaultExpandedKeys?: import("../tree.type").TreeKey[] | undefined;
                    autoExpandParent: boolean;
                    defaultExpandAll: boolean;
                    checkDescendants: boolean;
                    props: {
                        children?: string | undefined;
                        label?: (string | ((data: import("../tree.type").TreeNodeData, node: Node) => string)) | undefined;
                        disabled?: (string | ((data: import("../tree.type").TreeNodeData, node: Node) => boolean)) | undefined;
                        isLeaf?: (string | ((data: import("../tree.type").TreeNodeData, node: Node) => boolean)) | undefined;
                        class?: ((data: import("../tree.type").TreeNodeData, node: Node) => string | {
                            [key: string]: boolean;
                        }) | undefined;
                    };
                    initialize: () => void;
                    filter: (value: import("../tree.type").FilterValue) => void;
                    setData: (newVal: import("../tree.type").TreeData) => void;
                    getNode: (data: import("../tree.type").TreeKey | import("../tree.type").TreeNodeData | Node) => Node;
                    insertBefore: (data: import("../tree.type").TreeNodeData, refData: import("../tree.type").TreeKey | import("../tree.type").TreeNodeData | Node) => void;
                    insertAfter: (data: import("../tree.type").TreeNodeData, refData: import("../tree.type").TreeKey | import("../tree.type").TreeNodeData | Node) => void;
                    remove: (data: import("../tree.type").TreeNodeData | Node) => void;
                    append: (data: import("../tree.type").TreeNodeData, parentData: import("../tree.type").TreeNodeData | import("../tree.type").TreeKey | Node) => void;
                    _initDefaultCheckedNodes: () => void;
                    _initDefaultCheckedNode: (node: Node) => void;
                    setDefaultCheckedKey: (newVal: import("../tree.type").TreeKey[]) => void;
                    registerNode: (node: Node) => void;
                    deregisterNode: (node: Node) => void;
                    getCheckedNodes: (leafOnly?: boolean, includeHalfChecked?: boolean) => import("../tree.type").TreeNodeData[];
                    getCheckedKeys: (leafOnly?: boolean) => import("../tree.type").TreeKey[];
                    getHalfCheckedNodes: () => import("../tree.type").TreeNodeData[];
                    getHalfCheckedKeys: () => import("../tree.type").TreeKey[];
                    _getAllNodes: () => Node[];
                    updateChildren: (key: import("../tree.type").TreeKey, data: import("../tree.type").TreeData) => void;
                    _setCheckedKeys: (key: import("../tree.type").TreeKey, leafOnly: boolean | undefined, checkedKeys: {
                        [key: string]: boolean;
                    }) => void;
                    setCheckedNodes: (array: Node[], leafOnly?: boolean) => void;
                    setCheckedKeys: (keys: import("../tree.type").TreeKey[], leafOnly?: boolean) => void;
                    setDefaultExpandedKeys: (keys: import("../tree.type").TreeKey[]) => void;
                    setChecked: (data: import("../tree.type").TreeKey | import("../tree.type").TreeNodeData, checked: boolean, deep: boolean) => void;
                    getCurrentNode: () => Node | null;
                    setCurrentNode: (currentNode: Node) => void;
                    setUserCurrentNode: (node: Node, shouldAutoExpandParent?: boolean) => void;
                    setCurrentNodeKey: (key: import("../tree.type").TreeKey | null, shouldAutoExpandParent?: boolean) => void;
                };
                isLeafByUser: boolean | undefined;
                isLeaf: boolean | undefined;
                canFocus: boolean;
                level: number;
                loaded: boolean;
                childNodes: any[];
                loading: boolean;
                initialize: () => void;
                setData: (data: import("../tree.type").TreeNodeData) => void;
                readonly label: string;
                readonly key: import("../tree.type").TreeKey | null | undefined;
                readonly disabled: boolean;
                readonly nextSibling: any | null;
                readonly previousSibling: any | null;
                contains: (target: Node, deep?: boolean) => boolean;
                remove: () => void;
                insertChild: (child?: FakeNode | Node, index?: number, batch?: boolean) => void;
                insertBefore: (child: FakeNode | Node, ref: Node) => void;
                insertAfter: (child: FakeNode | Node, ref: Node) => void;
                removeChild: (child: Node) => void;
                removeChildByData: (data: import("../tree.type").TreeNodeData | null) => void;
                expand: (callback?: (() => void) | null, expandParent?: boolean) => void;
                doCreateChildren: (array: import("../tree.type").TreeNodeData[], defaultProps?: import("../tree.type").TreeNodeLoadedDefaultProps) => void;
                collapse: () => void;
                shouldLoadData: () => boolean;
                updateLeafState: () => void;
                setChecked: (value?: boolean | string, deep?: boolean, recursion?: boolean, passValue?: boolean) => void;
                getChildren: (forceInit?: boolean) => import("../tree.type").TreeNodeData | import("../tree.type").TreeNodeData[] | null;
                updateChildren: () => void;
                loadData: (callback: (data?: import("../tree.type").TreeNodeData[]) => void, defaultProps?: import("../tree.type").TreeNodeLoadedDefaultProps) => void;
                eachNode: (callback: (node: Node) => void) => void;
                reInitChecked: () => void;
            };
            $el?: HTMLElement | undefined;
        } | null;
    }>;
};
export {};