openaire-library/dashboard/sharedComponents/sidebar/layout.service.ts

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import {Injectable} from "@angular/core";
import {BehaviorSubject, Observable, Subscriber} from "rxjs";
import {ActivationStart, Router} from "@angular/router";
@Injectable({
providedIn: 'root'
})
export class LayoutService {
public static HEADER_HEIGHT = '65px';
/**
* Set this to true when sidebar items are ready.
*/
private openSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
/**
* Add hasSidebar: false on data of route config, if sidebar is not needed.
*/
private hasSidebarSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
/**
* Add hasHeader: false on data of route config, if header is not needed.
*/
private hasHeaderSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
/**
* Add hasAdminMenu: true on data of route config, if global sidebar should be used.
*/
private hasAdminMenuSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
/**
* Add hasInternalSidebar: true on data of route config, if internal sidebar should be used.
*/
private hasInternalSidebarSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
/**
* Add isFrontPage: true on data of route config, if current route is for front page.
*/
private isFrontPageSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
/**
* Add isSmallScreen: true on data of route config, if screen is small.
*/
private isSmallScreenSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
/**
* Add hasQuickContact: false on data of route config, if the quick-contact fixed button is not needed.
*/
private hasQuickContactSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(true);
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/**
* Add activeMenuItem: string on data of route config, if page should activate a specific MenuItem and route url does not match.
*/
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private activeMenuItemSubject: BehaviorSubject<string> = new BehaviorSubject<string>("");
/**
* Change to true will replace your Nav Header with the replaceHeader of your object.
* Be sure that replaceHeader exists.
*/
private replaceHeaderSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
private observer: IntersectionObserver;
sub: any;
ngOnDestroy() {
this.clearSubscriptions();
}
clearSubscriptions() {
if (this.sub instanceof Subscriber) {
this.sub.unsubscribe();
}
}
constructor(private router: Router) {
this.sub = this.router.events.subscribe(event => {
if (event instanceof ActivationStart) {
this.setReplaceHeader(false);
let data = event.snapshot.data;
if (data['hasSidebar'] !== undefined &&
data['hasSidebar'] === false) {
this.setHasSidebar(false);
} else {
this.setHasSidebar(true);
}
if (data['hasHeader'] !== undefined &&
data['hasHeader'] === false) {
this.setHasHeader(false);
if(typeof document !== "undefined") {
document.documentElement.style.setProperty('--header-height', '0');
}
} else {
this.setHasHeader(true);
if(typeof document !== "undefined") {
document.documentElement.style.setProperty('--header-height', LayoutService.HEADER_HEIGHT);
}
}
if (data['hasAdminMenu'] !== undefined &&
data['hasAdminMenu'] === true) {
this.setHasAdminMenu(true);
} else {
this.setHasAdminMenu(false);
}
if (data['hasInternalSidebar'] !== undefined &&
data['hasInternalSidebar'] === true) {
this.setHasInternalSidebar(true);
} else {
this.setHasInternalSidebar(false);
}
if (data['isFrontPage'] !== undefined &&
data['isFrontPage'] === true) {
this.setFrontPage(true);
} else {
this.setFrontPage(false);
}
if (data['isSmallScreen'] !== undefined &&
data['isSmallScreen'] === true) {
this.setSmallScreen(true);
} else {
this.setSmallScreen(false);
}
if (data['hasQuickContact'] !== undefined &&
data['hasQuickContact'] === false) {
this.setHasQuickContact(false);
} else {
this.setHasQuickContact(true);
}
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if (data['activeMenuItem'] !== undefined &&
data['activeMenuItem'] !== null) {
this.setActiveMenuItem(data['activeMenuItem']);
} else {
this.setActiveMenuItem('');
}
}
});
}
get open(): boolean {
return this.openSubject.getValue();
}
setOpen(value: boolean) {
this.openSubject.next(value);
}
get hasSidebar(): Observable<boolean> {
return this.hasSidebarSubject.asObservable();
}
setHasSidebar(value: boolean) {
this.hasSidebarSubject.next(value);
}
get hasHeader(): Observable<boolean> {
return this.hasHeaderSubject.asObservable();
}
setHasHeader(value: boolean) {
this.hasHeaderSubject.next(value);
}
get hasAdminMenu(): Observable<boolean> {
return this.hasAdminMenuSubject.asObservable();
}
setHasAdminMenu(value: boolean) {
this.hasAdminMenuSubject.next(value);
}
get hasInternalSidebar(): Observable<boolean> {
return this.hasInternalSidebarSubject.asObservable();
}
setHasInternalSidebar(value: boolean) {
this.hasInternalSidebarSubject.next(value);
}
get isFrontPage(): Observable<boolean> {
return this.isFrontPageSubject.asObservable();
}
setFrontPage(value: boolean) {
this.isFrontPageSubject.next(value);
}
get replaceHeader(): Observable<boolean> {
return this.replaceHeaderSubject.asObservable();
}
setReplaceHeader(value: boolean) {
this.replaceHeaderSubject.next(value);
}
get isSmallScreen(): boolean {
return this.isSmallScreenSubject.getValue();
}
setSmallScreen(value: boolean) {
this.isSmallScreenSubject.next(value);
}
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get hasQuickContact(): Observable<boolean> {
return this.hasQuickContactSubject.asObservable();
}
setHasQuickContact(value: boolean) {
this.hasQuickContactSubject.next(value);
}
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get activeMenuItem(): string {
return this.activeMenuItemSubject.getValue();
}
setActiveMenuItem(value: string) {
this.activeMenuItemSubject.next(value);
}
}