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121 lines
3.5 KiB
121 lines
3.5 KiB
import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Input, OnDestroy, OnInit, ViewEncapsulation } from '@angular/core';
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import { BehaviorSubject, Subject } from 'rxjs';
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import { TreoAnimations } from '@treo/animations';
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import { TreoNavigationItem } from '@treo/components/navigation/navigation.types';
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import { TreoNavigationService } from '@treo/components/navigation/navigation.service';
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@Component({
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selector : 'treo-horizontal-navigation',
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templateUrl : './horizontal.component.html',
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styleUrls : ['./horizontal.component.scss'],
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animations : TreoAnimations,
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encapsulation : ViewEncapsulation.None,
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changeDetection: ChangeDetectionStrategy.OnPush,
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exportAs : 'treoHorizontalNavigation'
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})
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export class TreoHorizontalNavigationComponent implements OnInit, OnDestroy
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{
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onRefreshed: BehaviorSubject<boolean | null>;
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// Name
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@Input()
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name: string;
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// Private
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private _navigation: TreoNavigationItem[];
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private _unsubscribeAll: Subject<void>;
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/**
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* Constructor
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*
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* @param {TreoNavigationService} _treoNavigationService
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* @param {ChangeDetectorRef} _changeDetectorRef
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*/
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constructor(
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private _treoNavigationService: TreoNavigationService,
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private _changeDetectorRef: ChangeDetectorRef
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)
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{
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// Set the private defaults
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this._unsubscribeAll = new Subject();
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// Set the defaults
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this.onRefreshed = new BehaviorSubject(null);
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}
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// -----------------------------------------------------------------------------------------------------
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// @ Accessors
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// -----------------------------------------------------------------------------------------------------
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/**
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* Setter & getter for data
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*/
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@Input()
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set navigation(value: TreoNavigationItem[])
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{
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// Store the data
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this._navigation = value;
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// Mark for check
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this._changeDetectorRef.markForCheck();
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}
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get navigation(): TreoNavigationItem[]
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{
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return this._navigation;
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}
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// -----------------------------------------------------------------------------------------------------
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// @ Lifecycle hooks
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// -----------------------------------------------------------------------------------------------------
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/**
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* On init
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*/
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ngOnInit(): void
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{
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// Register the navigation component
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this._treoNavigationService.registerComponent(this.name, this);
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}
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/**
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* On destroy
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*/
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ngOnDestroy(): void
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{
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// Deregister the navigation component from the registry
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this._treoNavigationService.deregisterComponent(this.name);
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// Unsubscribe from all subscriptions
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this._unsubscribeAll.next();
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this._unsubscribeAll.complete();
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}
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// -----------------------------------------------------------------------------------------------------
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// @ Public methods
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// -----------------------------------------------------------------------------------------------------
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/**
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* Refresh the component to apply the changes
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*/
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refresh(): void
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{
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// Mark for check
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this._changeDetectorRef.markForCheck();
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// Execute the observable
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this.onRefreshed.next(true);
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}
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/**
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* Track by function for ngFor loops
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*
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* @param index
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* @param item
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*/
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trackByFn(index: number, item: any): any
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{
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return item.id || index;
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}
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}
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