import { OnInit, ElementRef, AfterViewInit, InjectionToken, ChangeDetectorRef, Renderer2, OnDestroy, NgZone, ComponentFactoryResolver, TemplateRef, EventEmitter } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { NzMessageService } from 'ng-zorro-antd';
import { ContextMenuComponent, IContextMenuClickEvent, ContextMenuService } from 'ngx-contextmenu';
import { NgxExcelComponentState, NgxExcelColumn, NgxExcelRow, NgxExcelAction, NgxExcelContextChangeRecord } from '../../models/models';
import { NgxExcelController } from '../../services/services';
import { Observable } from 'rxjs';
interface NgxExcelAnchorItem {
    index: number;
    offset: number;
}
export declare const NgxExcelComponentRef: InjectionToken<NgxExcelComponent>;
export declare class NgxExcelComponent implements OnInit, OnDestroy, AfterViewInit {
    protected el: ElementRef;
    protected renderer2: Renderer2;
    protected cfr: ComponentFactoryResolver;
    protected cdr: ChangeDetectorRef;
    protected ngZone: NgZone;
    protected httpClient: HttpClient;
    protected message: NzMessageService;
    protected contextMenu: ContextMenuService;
    controller: NgxExcelController;
    componentStateEnums: typeof NgxExcelComponentState;
    componentState: NgxExcelComponentState;
    toggleColumnEnabled: boolean;
    decorativeCol: NgxExcelColumn;
    lineHeight: number;
    excelCols: NgxExcelColumn[];
    excelRows: NgxExcelRow[];
    loadedCount: number;
    total: number;
    attachedItemBegin: number;
    attachedItemEnd: number;
    scrollBarYWidth: number;
    scrollBarXHeight: number;
    excelRowsReflection: {
        [name: string]: number;
    };
    excelPrefixActions: NgxExcelAction[];
    excelGlobalActions: NgxExcelAction[];
    excelContextActions: NgxExcelAction[];
    excelColumnActions: NgxExcelAction[];
    protected excelAnchorItem: NgxExcelAnchorItem;
    protected excelScreenItem: NgxExcelAnchorItem;
    protected excelAnchorScrollTop: number;
    protected excelAnchorScrollRunwayEnd: number;
    private _cacheKey;
    private _readonly;
    private _lazyload;
    private _scrollable;
    private _invisibleColumns;
    private _el;
    private _headEl;
    private _bodyEl;
    private _footEl;
    private _scrollBarXEl;
    private _scrollBarXScrolling;
    private _scrollBarXRatio;
    private _excelScrolling;
    private _componentSubscription;
    readonly: boolean;
    lazyload: boolean;
    scrollable: boolean;
    cellHeight: number;
    name: string;
    customTemplate: TemplateRef<{
        $implicit: any;
    }>;
    customCalculateHeight: (context: any) => number;
    dataSet: any[];
    dataSetChange: EventEmitter<any[]>;
    protected contextMenuComponent: ContextMenuComponent;
    customClass: boolean;
    onContextMenu(e: MouseEvent): void;
    constructor(el: ElementRef, renderer2: Renderer2, cfr: ComponentFactoryResolver, cdr: ChangeDetectorRef, ngZone: NgZone, httpClient: HttpClient, message: NzMessageService, contextMenu: ContextMenuService, controller: NgxExcelController);
    ngOnInit(): void;
    ngOnDestroy(): void;
    ngAfterViewInit(): void;
    /**
     * 反转列显示
     * @param _ 菜单点击事件
     * @param column 关联的表格列
     */
    handleColumnToggle(_: IContextMenuClickEvent, column: NgxExcelColumn): void;
    /**
     * 当菜单被点击时执行
     * @param _ 菜单点击事件携带当前操作的上下文
     * @param action 关联的操作动作
     */
    handleContextMenuClick(_: IContextMenuClickEvent, action: NgxExcelAction): void;
    /**
     * 批量处理上下文模型变更
     * @param records 变更记录
     * @param relativeContext 相关的上下文模型
     */
    handleContextChange(records: NgxExcelContextChangeRecord[], relativeContext?: any): void;
    /**
     * 更新上下文模型
     * @param contexts 期望更新的上下文模型列表
     * @param relativeContext 相关的上下文模型
     * @param isQuiet 静默操作
     */
    updateContexts(contexts: any[], relativeContext?: any, isQuiet?: boolean): void;
    /**
     * 新增上下文模型
     * @param contexts 期望新增的上下文模型列表
     * @param relativeContext 相关的上下文模型
     * @param isQuiet 静默操作
     * @param prepend 是否向前新增
     */
    appendContexts(contexts: any[], relativeContext?: any, isQuiet?: boolean, prepend?: boolean): void;
    /**
     * 向前新增上下文模型
     * @param contexts 期望新增的上下文模型列表
     * @param relativeContext 相关的上下文模型
     * @param isQuiet 静默操作
     */
    prependContexts(contexts: any[], relativeContext?: any, isQuiet?: boolean): void;
    /**
     * 删除上下文模型
     * @param contexts 期望删除的上下文模型列表
     * @param isQuiet 静默操作
     */
    removeContexts(contexts: any[], isQuiet?: boolean): void;
    /**
     * 当上下文发生变化时执行
     * @param records 上下文变更记录列表
     * @param relativeContext 相关的上下文
     */
    handleChangedContexts(records: NgxExcelContextChangeRecord[], relativeContext?: any): void;
    /**
     * 重新加载数据
     */
    reload(): void;
    /**
     * 设置 Excel 进入 loading 状态
     */
    loading(): void;
    /**
     * 设置 Excel 进入 normal 状态
     */
    normal(): void;
    /**
     * 重建UI
     */
    rebuildUi(): void;
    /**
     * 增加表格列
     * @param column 列定义
     */
    appendColumn(column: NgxExcelColumn, index?: number): void;
    /**
     * 删除表格列
     * @param name 列名称
     */
    removeColumn(name: string): void;
    /**
     * 增加表格操作项
     * @param action 操作项定义
     */
    addExcelAction(action: NgxExcelAction): void;
    /**
     * 获得上下文菜单
     */
    getContextMenuComponent(): ContextMenuComponent;
    /**
     * 绑定搜索条件
     * @param filters 全局搜索条件
     */
    bindFilters(filters: {
        [param: string]: string | string[];
    }): NgxExcelComponent;
    /**
     * 绑定全局元数据请求字段
     * @param metas 全局元数据请求字段
     */
    bindMetas(metas: string | string[]): Observable<{
        [name: string]: any;
    }>;
    /**
     * 填充内容，如果需要的话更新滚动条的位置
     */
    protected attachContent(): void;
    /**
     * 加载数据行
     */
    protected _loadRows(): Observable<boolean>;
    /**
     * 当滑动滚动条执行
     */
    private _handleScrollBarXScroll;
    /**
     * 当Excel滚动时执行
     */
    private _handleExcelScroll;
    /**
     * 注册Window尺寸变化事件
     */
    private _listenWindowOnResize;
    /**
     * 注册Excel滚动事件
     */
    private _listenExcelOnScroll;
    /**
     * 注册ScrollBarX滚动事件
     */
    private _listenScrollBarXOnScroll;
    /**
     * 注册原生事件监听
     */
    private _listenNativeEvents;
    /**
     * 获得已配置的隐藏列
     */
    private _getInvisibleColumns;
    /**
     * 保存隐藏列配置
     */
    private _cacheInvisibleColumns;
    /**
     * 获得错误处理函数
     */
    private _getErrorHandles;
}
export {};