ng-virtual-list/lib/ng-virtual-list.service.d.ts

🚀 High-performance virtual scrolling for Angular apps. Render 100,000+ items in Angular without breaking a sweat. Smooth, customizable, and developer-friendly.

import { TrackBox } from './utils/trackBox';
import { IRenderVirtualListItem } from './models';
import { IRenderVirtualListCollection } from './models/render-collection.model';
import { MethodsForSelectingTypes } from './enums/method-for-selecting-types';
import { FocusAlignment, Id } from './types';
import * as i0 from "@angular/core";
export declare class NgVirtualListService {
    private _nextComponentId;
    private _$itemClick;
    $itemClick: import("rxjs").Observable<IRenderVirtualListItem<any> | undefined>;
    private _$selectedIds;
    $selectedIds: import("rxjs").Observable<Id | Id[] | undefined>;
    private _$collapsedIds;
    $collapsedIds: import("rxjs").Observable<Id[]>;
    private _$methodOfSelecting;
    $methodOfSelecting: import("rxjs").Observable<MethodsForSelectingTypes>;
    set methodOfSelecting(v: MethodsForSelectingTypes);
    private _trackBox;
    private _$focusedId;
    $focusedId: import("rxjs").Observable<Id | null>;
    get focusedId(): Id | null;
    selectByClick: boolean;
    collapseByClick: boolean;
    listElement: HTMLDivElement | null;
    private _$displayItems;
    readonly $displayItems: import("rxjs").Observable<IRenderVirtualListCollection>;
    private _collection;
    set collection(v: IRenderVirtualListCollection);
    get collection(): IRenderVirtualListCollection;
    constructor();
    setSelectedIds(ids: Array<Id> | Id | undefined): void;
    setCollapsedIds(ids: Array<Id>): void;
    itemClick(data: IRenderVirtualListItem | undefined): void;
    update(): void;
    /**
     * Selects a list item
     * @param data
     * @param selected - If the value is undefined, then the toggle method is executed, if false or true, then the selection/deselection is performed.
     */
    select(data: IRenderVirtualListItem | undefined, selected?: boolean | undefined): void;
    /**
      * Collapse list items
      * @param data
      * @param collapsed - If the value is undefined, then the toggle method is executed, if false or true, then the collapse/expand is performed.
      */
    collapse(data: IRenderVirtualListItem | undefined, collapsed?: boolean | undefined): void;
    initialize(trackBox: TrackBox): void;
    itemToFocus: ((element: HTMLElement, position: number, align: FocusAlignment) => void) | undefined;
    focus(element: HTMLElement, align?: FocusAlignment): void;
    areaFocus(id: Id | null): void;
    generateComponentId(): number;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgVirtualListService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgVirtualListService>;
}