import { TemplateRef, EventEmitter, ElementRef, ChangeDetectorRef, NgZone, SimpleChanges, InjectionToken, OnInit, OnDestroy, OnChanges } from '@angular/core';
import { Subject } from 'rxjs';
import { GanttItem, GanttGroup, GanttViewType, GanttLoadOnScrollEvent, GanttDragEvent, GanttGroupInternal, GanttItemInternal, GanttBarClickEvent, GanttLinkDragEvent, GanttToolbarOptions, DragToOtherRowEvent } from './class';
import { GanttView, GanttViewOptions } from './views/view';
import { GanttStyles } from './gantt.styles';
import { Dictionary } from './utils/helpers';
import { GanttDragContainer } from './gantt-drag-container';
import { GanttGlobalConfig } from './gantt.config';
import { GanttLinkOptions } from './class/link';
import { SelectionModel } from '@angular/cdk/collections';
import { BooleanInput } from '@angular/cdk/coercion';
import { GanttBaselineItem, GanttBaselineItemInternal } from './class/baseline';
import { NgxGanttTableComponent } from './table/gantt-table.component';
import * as i0 from "@angular/core";
export declare abstract class GanttUpper implements OnChanges, OnInit, OnDestroy {
    protected elementRef: ElementRef<HTMLElement>;
    protected cdr: ChangeDetectorRef;
    protected ngZone: NgZone;
    config: GanttGlobalConfig;
    originItems: GanttItem[];
    originGroups: GanttGroup[];
    originBaselineItems: GanttBaselineItem[];
    viewType: GanttViewType;
    start: number;
    end: number;
    showTodayLine: boolean;
    _draggable: boolean;
    set draggable(val: boolean);
    get draggable(): boolean;
    draggableEnable: boolean;
    styles: GanttStyles;
    showToolbar: boolean;
    restrictToBounds: boolean;
    toolbarOptions: GanttToolbarOptions;
    viewOptions: GanttViewOptions;
    set linkOptions(options: GanttLinkOptions);
    get linkOptions(): GanttLinkOptions;
    disabledLoadOnScroll: boolean;
    set selectable(value: BooleanInput);
    get selectable(): boolean;
    set multiple(value: BooleanInput);
    get multiple(): boolean;
    loadOnScroll: EventEmitter<GanttLoadOnScrollEvent>;
    dragStarted: EventEmitter<GanttDragEvent<unknown>>;
    dragMoved: EventEmitter<GanttDragEvent<unknown>>;
    dragEnded: EventEmitter<GanttDragEvent<unknown>>;
    dragToOtherRow: EventEmitter<DragToOtherRowEvent<unknown>>;
    draggableChange: EventEmitter<boolean>;
    barClick: EventEmitter<GanttBarClickEvent<unknown>>;
    barDbClick: EventEmitter<GanttBarClickEvent<unknown>>;
    barContentMenu: EventEmitter<GanttBarClickEvent<unknown>>;
    barMouseenter: EventEmitter<GanttBarClickEvent<unknown>>;
    viewChange: EventEmitter<GanttView>;
    expandChange: EventEmitter<GanttItemInternal | GanttGroupInternal>;
    barTemplate: TemplateRef<any>;
    rangeTemplate: TemplateRef<any>;
    itemTemplate: TemplateRef<any>;
    baselineTemplate: TemplateRef<any>;
    groupTemplate: TemplateRef<any>;
    groupHeaderTemplate: TemplateRef<any>;
    toolbarTemplate: TemplateRef<any>;
    linkable: boolean;
    computeAllRefs: boolean;
    linkDragEnded: EventEmitter<GanttLinkDragEvent<unknown>>;
    view: GanttView;
    items: GanttItemInternal[];
    groups: GanttGroupInternal[];
    baselineItems: GanttBaselineItemInternal[];
    baselineItemsMap: Dictionary<GanttBaselineItemInternal>;
    get element(): HTMLElement;
    firstChange: boolean;
    dragContainer: GanttDragContainer;
    unsubscribe$: Subject<void>;
    selectionModel: SelectionModel<string>;
    table?: NgxGanttTableComponent;
    private groupsMap;
    private _selectable;
    private _multiple;
    private _linkOptions;
    ganttClass: boolean;
    constructor(elementRef: ElementRef<HTMLElement>, cdr: ChangeDetectorRef, ngZone: NgZone, config: GanttGlobalConfig);
    private createView;
    private setupGroups;
    private setupItems;
    private setupBaselineItems;
    private setupExpandedState;
    private getViewDate;
    computeRefs(): void;
    computeOverlap(): void;
    /**
     * 检查数组中每个元素是否与其它元素有重叠，并返回重叠部分的时间段
     * @param {Array} periods - 包含时间段的数组，每个时间段包含start和end属性
     * @returns {Array} - 返回包含重叠信息的数组
     */
    private checkOverlappingPeriods;
    /**
     * 检查两个时间段是否有重叠，并返回重叠部分
     * @param {Object} period1 - 第一个时间段，包含start和end属性
     * @param {Object} period2 - 第二个时间段，包含start和end属性
     * @returns {Object|null} - 如果有重叠，返回重叠部分的时间段，否则返回null
     */
    private getOverlapPeriod;
    private initSelectionModel;
    expandGroups(expanded: boolean): void;
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    computeItemsRefs(...items: GanttItemInternal[] | GanttBaselineItemInternal[]): void;
    trackBy(index: number, item: GanttGroupInternal | GanttItemInternal): string | number;
    detectChanges(): void;
    expandGroup(group: GanttGroupInternal): void;
    expandAll(): void;
    collapseAll(): void;
    getGanttItem(id: string): GanttItemInternal;
    getGanttItems(ids: string[]): GanttItemInternal[];
    isSelected(id: string): boolean;
    changeView(type: GanttViewType): void;
    rerenderView(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<GanttUpper, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<GanttUpper, never, never, { "originItems": { "alias": "items"; "required": false; }; "originGroups": { "alias": "groups"; "required": false; }; "originBaselineItems": { "alias": "baselineItems"; "required": false; }; "viewType": { "alias": "viewType"; "required": false; }; "start": { "alias": "start"; "required": false; }; "end": { "alias": "end"; "required": false; }; "showTodayLine": { "alias": "showTodayLine"; "required": false; }; "draggable": { "alias": "draggable"; "required": false; }; "draggableEnable": { "alias": "draggableEnable"; "required": false; }; "styles": { "alias": "styles"; "required": false; }; "showToolbar": { "alias": "showToolbar"; "required": false; }; "restrictToBounds": { "alias": "restrictToBounds"; "required": false; }; "toolbarOptions": { "alias": "toolbarOptions"; "required": false; }; "viewOptions": { "alias": "viewOptions"; "required": false; }; "linkOptions": { "alias": "linkOptions"; "required": false; }; "disabledLoadOnScroll": { "alias": "disabledLoadOnScroll"; "required": false; }; "selectable": { "alias": "selectable"; "required": false; }; "multiple": { "alias": "multiple"; "required": false; }; }, { "loadOnScroll": "loadOnScroll"; "dragStarted": "dragStarted"; "dragMoved": "dragMoved"; "dragEnded": "dragEnded"; "dragToOtherRow": "dragToOtherRow"; "draggableChange": "draggableChange"; "barClick": "barClick"; "barDbClick": "barDbClick"; "barContentMenu": "barContentMenu"; "barMouseenter": "barMouseenter"; "viewChange": "viewChange"; "expandChange": "expandChange"; }, ["barTemplate", "rangeTemplate", "itemTemplate", "baselineTemplate", "groupTemplate", "groupHeaderTemplate", "toolbarTemplate"], never, false, never>;
}
export declare const GANTT_UPPER_TOKEN: InjectionToken<GanttUpper>;