import { Injector, TemplateRef, Type } from '@angular/core';
import { NavigatorNodeData } from './navigator-node-data';
import { PopoverConfirmComponent } from '../modal/popover-confirm.component';
/**
 * Interface that determines the available click options.
 * @ignore
 */
export interface ClickOptions {
    /**
     * Indicates that the source of the event is a click on the node icon.
     */
    icon?: boolean;
    /**
     * Indicates that the source of the event is a click on the node expander.
     */
    expander?: boolean;
    /**
     * Indicates that the navigator node is expanded/collapsed.
     */
    open?: boolean;
    /**
     * Creates a new group node which will contain all unassigned devices.
     */
    showUnassignedDevices?: boolean;
    /**
     * DOM event.
     */
    $event?: any;
}
/**
 * Base navigator node. Represents a single entry in the navigator menu.
 * Is considered to be the basic building block of the navigator.
 */
export declare class NavigatorNode {
    static NAME: string;
    /**
     * Navigator node icon.
     */
    icon: string;
    /**
     * Navigator node icon when expanded.
     */
    iconOpen: string;
    /**
     * Custom icon template.
     */
    iconTemplate?: TemplateRef<any>;
    /**
     * Custom icon component.
     */
    iconComponent?: Type<any>;
    /**
     * Navigator node children (subentries).
     */
    children: NavigatorNode[];
    /**
     * Label to be displayed in the navigator node.
     */
    label: string;
    /**
     * Whether to pass `label` through `translate` pipe when being displayed.
     */
    translateLabel: boolean;
    /**
     * The path to which the UI will be redirected after clicking the navigator node.
     */
    path: string;
    /**
     * Navigator node parent nodes.
     */
    parents: NavigatorNode[];
    /**
     * Loading state indicator.
     */
    loading?: boolean;
    /**
     * Used to load the providers for the components. If not provided, default injector us used.
     */
    injector?: Injector;
    /**
     * Custom component to use.
     */
    component?: Type<any>;
    /**
     * Indicates whether the navigator node should be active based on matching the node path and the URL path.
     * To match the URL exactly, set this option to true.
     *
     * routerLinkExact set to true:
     * When the URL path is set to /a/b/c and the node path to /a/b then the node will not be set active.
     *
     * routerLinkExact set to false:
     * When the URL path is set to /a/b/c and the node path to /a/b then the node will be set active.
     */
    routerLinkExact: boolean;
    /**
     * Indicates that the navigator node is expanded/collapsed.
     */
    open: boolean;
    /**
     * Indicates that the navigator node is visible/hidden.
     */
    hidden: boolean;
    /**
     * Indicates that the navigator node is draggable.
     */
    draggable: boolean;
    /**
     * Indicates that the navigator node is droppable.
     */
    droppable: boolean;
    /**
     * Indicates that the navigator node is dragged.
     */
    dragged: boolean;
    /**
     * Indicates that currently something is dragged over the node.
     */
    draggedHover: boolean;
    /**
     * Confirmation popover displayed at the end of the process of moving the navigator menu item.
     */
    confirm: PopoverConfirmComponent;
    /**
     * The breadcrumb of the node, displaying the "path", but supports multiple levels.
     * e.g. (Groups > Level 1 > Level 2)
     */
    breadcrumb?: string;
    /**
     * Id to identify specific feature node.
     */
    featureId?: string;
    private _priority;
    private expandDragTimeout;
    /**
     * Returns information whether a navigator node has children.
     * @readonly
     */
    get hasChildren(): boolean;
    /**
     * Returns the ID of the navigator node.
     * @readonly
     */
    get id(): string;
    /**
     * Returns the priority value of the navigator node.
     * @readonly
     */
    get priority(): number;
    /**
     * Sets the priority value of the navigator node.
     *
     * @param {number} priority Priority value.
     */
    set priority(priority: number);
    constructor(data?: NavigatorNodeData);
    /**
     * Adds a child navigator node to the node.
     *
     * @param {NavigatorNode} node Child node.
     */
    add(node: NavigatorNode): void;
    /**
     * Removes the child navigator node from the node.
     *
     * @param {NavigatorNode} node Child node.
     */
    remove(node: NavigatorNode): void;
    /**
     * Updates the navigator node.
     *
     * @param {NavigatorNodeData} data Data to be updated.
     */
    update(data?: NavigatorNodeData): void;
    /**
     *
     * Returns a child navigator node based on the predicate.
     *
     * ```ts
     * // The function will compare the labels to the string and return a matching result.
     * // The capitalization of the characters does not matter (case insensitive).
     * const predicate = 'group1';
     * const childNode = parentNode.find(predicate);
     * // Check: [lodash matches](https://lodash.com/docs/4.17.15#matches)
     * const predicate = { label: 'group2' };
     * const childNode = parentNode.find(predicate);
     * ```
     *
     * @param predicate Filter criteria.
     * @param findBy NavigatorNode field name to compare.
     *
     */
    find(predicate: any, findBy?: keyof Pick<NavigatorNode, 'label' | 'featureId'>): any;
    /**
     * Removes children nodes.
     */
    empty(): void;
    /**
     * @ignore
     */
    click(_options?: ClickOptions): void;
    /**
     * This event is fired when an element is dropped on a valid drop target.
     * @param $event DOM event.
     */
    drop($event: any): void;
    /**
     * This event is fired when the user starts dragging an element.
     * @param $event DOM event.
     */
    dragStart($event: any): void;
    /**
     * This event is fired when a drag operation has ended.
     * @param $event DOM event.
     */
    dragEnd($event: any): void;
    /**
     * Returns information whether the navigator node is droppable.
     * @readonly
     */
    get canDrop(): boolean;
    /**
     * Returns information whether navigation is possible.
     * @readonly
     */
    get canNavigate(): boolean;
    /**
     * This event is fired when a dragged element enters a valid drop target.
     * @param $event DOM event.
     */
    dragEnter($event: any): void;
    /**
     * This event is fired when a dragged element leaves a valid drop target.
     * @param $event DOM event.
     */
    dragLeave($event: any): void;
    /**
     * Expands the navigator node if it is collapsed.
     */
    expand(): void;
    /**
     * Performs a callback function recursively on each of the navigator node's children down the hierarchy.
     *
     * ```ts
     * const expandChild = (childNode) => childNode.expand();
     * parentNode.traverse(expandChild);
     * ```
     *
     * @param callback Function to be called.
     */
    traverse(callback: any): void;
    /**
     * @ignore
     */
    destroy(): void;
    /**
     * Counts the amount of children nodes.
     */
    protected countChildren(): number;
    /**
     * Identifies itself.
     */
    protected toString(): string;
    protected hasChildDevices(): boolean;
    /**
     * Updates the navigator node by sorting its children and also checking their visibility.
     */
    protected updateChildren(): void;
    /**
     * Sorts the children of the navigator node, by priority and name (ASC).
     * The higher the priority, the higher the position in the hierarchy.
     * For the same priority values, the alphabetical order will take precedence.
     */
    protected sort(): void;
    /**
     * Checks if the navigator node should be hidden based on the visibility of its child nodes.
     */
    protected updateHidden(): void;
}
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