import { VtsSafeAny } from '@ui-vts-kit/ng-vts/core/types';
import { BehaviorSubject } from 'rxjs';
import { VtsTreeNode, VtsTreeNodeKey } from './vts-tree-base-node';
import { VtsFormatEmitEvent } from './vts-tree-base.definitions';
import * as i0 from "@angular/core";
export declare class VtsTreeBaseService {
    DRAG_SIDE_RANGE: number;
    DRAG_MIN_GAP: number;
    isCheckStrictly: boolean;
    isMultiple: boolean;
    selectedNode: VtsTreeNode;
    rootNodes: VtsTreeNode[];
    flattenNodes$: BehaviorSubject<VtsTreeNode[]>;
    selectedNodeList: VtsTreeNode[];
    expandedNodeList: VtsTreeNode[];
    checkedNodeList: VtsTreeNode[];
    halfCheckedNodeList: VtsTreeNode[];
    matchedNodeList: VtsTreeNode[];
    /**
     * reset tree nodes will clear default node list
     */
    initTree(vtsNodes: VtsTreeNode[]): void;
    flattenTreeData(vtsNodes: VtsTreeNode[], expandedKeys?: VtsTreeNodeKey[] | true): void;
    getSelectedNode(): VtsTreeNode | null;
    /**
     * get some list
     */
    getSelectedNodeList(): VtsTreeNode[];
    /**
     * return checked nodes
     */
    getCheckedNodeList(): VtsTreeNode[];
    getHalfCheckedNodeList(): VtsTreeNode[];
    /**
     * return expanded nodes
     */
    getExpandedNodeList(): VtsTreeNode[];
    /**
     * return search matched nodes
     */
    getMatchedNodeList(): VtsTreeNode[];
    isArrayOfVtsTreeNode(value: VtsSafeAny[]): boolean;
    /**
     * set drag node
     */
    setSelectedNode(node: VtsTreeNode): void;
    /**
     * set node selected status
     */
    setNodeActive(node: VtsTreeNode): void;
    /**
     * add or remove node to selectedNodeList
     */
    setSelectedNodeList(node: VtsTreeNode, isMultiple?: boolean): void;
    /**
     * merge checked nodes
     */
    setHalfCheckedNodeList(node: VtsTreeNode): void;
    setCheckedNodeList(node: VtsTreeNode): void;
    /**
     * conduct checked/selected/expanded keys
     */
    conductNodeState(type?: string): VtsTreeNode[];
    /**
     * set expanded nodes
     */
    setExpandedNodeList(node: VtsTreeNode): void;
    setMatchedNodeList(node: VtsTreeNode): void;
    /**
     * check state
     * @param isCheckStrictly
     */
    refreshCheckState(isCheckStrictly?: boolean): void;
    conduct(node: VtsTreeNode, isCheckStrictly?: boolean): void;
    /**
     * 1、children half checked
     * 2、children all checked, parent checked
     * 3、no children checked
     */
    conductUp(node: VtsTreeNode): void;
    /**
     * reset child check state
     */
    conductDown(node: VtsTreeNode, value: boolean): void;
    /**
     * flush after delete node
     */
    afterRemove(nodes: VtsTreeNode[]): void;
    /**
     * drag event
     */
    refreshDragNode(node: VtsTreeNode): void;
    resetNodeLevel(node: VtsTreeNode): void;
    calcDropPosition(event: DragEvent): number;
    /**
     * drop
     * 0: inner -1: pre 1: next
     */
    dropAndApply(targetNode: VtsTreeNode, dragPos?: number): void;
    /**
     * emit Structure
     * eventName
     * node
     * event: MouseEvent / DragEvent
     * dragNode
     */
    formatEvent(eventName: string, node: VtsTreeNode | null, event: MouseEvent | DragEvent | null): VtsFormatEmitEvent;
    /**
     * New functions for flatten nodes
     */
    getIndexOfArray(list: VtsTreeNode[], key: string): number;
    /**
     * Render by vtsCheckedKeys
     * When keys equals null, just render with checkStrictly
     * @param keys
     * @param checkStrictly
     */
    conductCheck(keys: VtsTreeNodeKey[] | null, checkStrictly: boolean): void;
    conductExpandedKeys(keys?: VtsTreeNodeKey[] | true): void;
    conductSelectedKeys(keys: VtsTreeNodeKey[], isMulti: boolean): void;
    /**
     * Expand parent nodes by child node
     * @param node
     */
    expandNodeAllParentBySearch(node: VtsTreeNode): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<VtsTreeBaseService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<VtsTreeBaseService>;
}