import { Component, Input, Output, EventEmitter } from '@angular/core'; import { Router, ActivatedRoute } from '@angular/router'; import { ViewportService } from 'app/core/ui-services/viewport.service'; import { MainMenuService } from 'app/core/core-services/main-menu.service'; import { RoutingStateService } from 'app/core/ui-services/routing-state.service'; /** * Reusable head bar component for Apps. * * Will translate the title automatically. * * ## Examples: * * ### Usage of the selector: * * ```html * * * *
* My Component Title *
* * * * *
* * {{ selectedRows.length }} selected *
*
* ``` */ @Component({ selector: 'os-head-bar', templateUrl: './head-bar.component.html', styleUrls: ['./head-bar.component.scss'] }) export class HeadBarComponent { /** * Determine if the the navigation "hamburger" icon should be displayed in mobile mode */ @Input() public nav = true; /** * Custom icon if necessary */ @Input() public mainButtonIcon = 'add'; /** * Determine edit mode */ @Input() public editMode = false; /** * Determine multiSelect mode: changed interactions and head bar */ @Input() public multiSelectMode = false; /** * Determine if there should be the main action button */ @Input() public mainButton = false; /** * Set to true if the component should use location.back instead * of navigating to the parent component */ @Input() public goBack = false; /** * Determine the back URL. Default is ".." (previous parent page) * Lazy Loaded modules sometimes have different routing events or require * special "back" logic. * Has only an effect if goBack is set to false */ @Input() public prevUrl = '../'; /** * Emit a signal to the parent component if the main button was clicked */ @Output() public mainEvent = new EventEmitter(); /** * Sends a signal if a detail view should be saved */ @Output() public saveEvent = new EventEmitter(); public get showBackButton(): boolean { return !this.nav && !this.multiSelectMode && (this.routingState.isSafePrevUrl || !this.goBack); } /** * Empty constructor */ public constructor( public vp: ViewportService, private menu: MainMenuService, private router: Router, private route: ActivatedRoute, private routingState: RoutingStateService ) {} /** * Emits a signal to the parent if */ public sendMainEvent(): void { this.mainEvent.next(); } /** * Clicking the burger-menu-icon should toggle the menu */ public clickHamburgerMenu(): void { this.menu.toggleMenu(); } /** * Send a save signal and set edit mode */ public save(): void { this.saveEvent.next(true); } /** * Exits the view to return to the previous page or * visit the parent view again. */ public onBackButton(): void { if (this.goBack) { this.router.navigateByUrl(this.routingState.previousUrl); } else { this.router.navigate([this.prevUrl], { relativeTo: this.route }); } } }