import { OnInit, OnChanges, OnDestroy, SimpleChanges, EventEmitter } from '@angular/core';
import { Subscription } from 'rxjs';
import { BindingData, BindingList, Change, ViewModel } from '@farris/devkit';
import { DatagridComponent } from '@farris/ui-datagrid';
export declare class FarrisDatagridUseBindingDataDirective implements OnInit, OnChanges, OnDestroy {
    bindingData: BindingData;
    viewModel: ViewModel;
    grid: DatagridComponent;
    private sortFields;
    private sortDirections;
    /**
     * 是否已排序
     */
    private hasSorted;
    /**
     * 过滤条件
     */
    private filters;
    protected bindingDataChangeEvent: Subscription;
    /**
     * 渲染grid
     */
    private renderGridSubject;
    private enableFilterSorting;
    /**
     * 选中行切换事件
     */
    selectedRowChange: EventEmitter<any>;
    constructor(bindingData: BindingData, viewModel: ViewModel, grid: DatagridComponent);
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    /**
     * 主键
     */
    protected readonly primaryKey: string;
    /**
     * 获取绑定数据
     */
    protected readonly bindingList: BindingList;
    /**
     * 设置组件引用
     */
    private setComponentRef;
    /**
     * 获取分页信息
     */
    protected getPagingInfo(): any;
    /**
     * 组件是否需要更新
     * @param props 当前属性
     * @param nextProps 新属性
     * @param change 变更
     */
    protected shouldComponentUpdate(change: Change, data: any): {
        result: boolean;
        props?: any;
    };
    protected registerEvent(): void;
    /**
     * 对bindingList排序
     * @param change change
     */
    private sortBindingList;
    /**
     * 更新数据
     * @param change? 变更
     */
    bindData(change?: Change): void;
    /**
     * 是否应该过滤
     * @param change - change
     * @returns {boolean}
     */
    private shouldFiltering;
    private shouldSort;
    /**
     * 渲染grid
     * @param props 属性
     */
    private renderGrid;
    /**
     * 构造表格数据属性
     */
    protected buildProps(datas?: Array<any>): {
        data: any;
        pageIndex: any;
        pageSize: any;
        total: any;
        pagination: boolean;
    };
    /**
     * 计算grid状态
     */
    private buildGridProps;
    /**
     * 数据源发生变更
     * @param change 变更
     */
    protected onBindingDataChange(change: Change): void;
    /**
     * 更新数据
     */
    private updateDataSource;
    private endCellEdit;
    /**
     * 设置grid当前选择行
     * @param change 变更
     */
    private updateSelectedRow;
    /**
     * 注册bindingdata变化事件
     */
    private registerBindingDataChangeEvent;
    /**
     * 取消bindingdata变化订阅
     */
    private unRegisterBindingDataChangeEvent;
    /**
     * 触发页码切换事件
     * @description 本方法适用场景仅为父级grid数据重新load，需要触发该grid重新取数使用。其他场景请勿使用
     * @TODO: 待重构，控制下级数据加载应该依赖表格的行切换事件，临时这样处理，后续提供LoadChildren事件
     */
    private updateData;
    ngOnDestroy(): void;
    /**
     * 发射选中行切换事件
     * @description 统一单选模式和多选模式下的行切换事件
     */
    protected fireSelectedRowChange(selectedRowContext: any): void;
    /**
     * 清空选定行
     * @param change 变更
     */
    private clearCheckedRows;
    /**
     * 设置BindingList的当前行
     * @param id 当前行内码
     */
    protected setSelectionIdToBindingData(id: string): void;
    private updateCheckedRows;
    /**
     * 设置选择行
     */
    protected setChecks(ids: string[]): void;
    /**
     * 获取勾选行id数组
     * @returns
     */
    protected getChecks(): string[];
    /**
     * 更新勾选行数据
     */
    protected setCheckedRows(ids?: string[]): void;
    /**
     * 选中grid行
     * @param id id
     */
    protected selectGridRow(id: any): void;
    /**
     * 页码切换事件
     * @param event event
     */
    pageChangedHandler(event: any): void;
    /**
     * 行切换事件
     * @param event event
     */
    selectedRowChanged(event: any): void;
    /**
     * 取消行选择事件
     * @param event event
     */
    unSelected(event: any): void;
    /**
     * 勾选行发生变化
     * @param event event
     */
    checkedChanged(event: any): void;
    /**
     * 分页大小变更事件
     * @param event event
     */
    pageSizeChanged(event: any): void;
    /**
     * grid滚动加载数据
     * @param event event
     */
    scrollY(event: any): void;
    filterChanged(event: any): void;
    private checkIfChangeMatchBindingPath;
    private debounce;
}