tasto back e bugfix editor

src/app/app.component.ts

@@ -3,10 +3,11 @@ import { ThemeService } from './services/theme.service';
 import { CantiService } from './services/canti.service';
 import { SettingsService } from './services/settings.service';
 import { VERSION } from './version';
-import { Router, ActivatedRoute } from '@angular/router';
-import { ToastController } from '@ionic/angular';
+import { Router, ActivatedRoute, NavigationStart } from '@angular/router';
+import { ToastController, Platform } from '@ionic/angular';
 import { SwUpdate, VersionReadyEvent } from '@angular/service-worker';
 import { filter, first } from 'rxjs/operators';
+import { App } from '@capacitor/app';
 
 @Component({
   selector: 'app-root',
@@ -19,6 +20,7 @@ export class AppComponent implements OnInit {
   public cantiService = inject(CantiService);
   public settingsService = inject(SettingsService);
   public version = VERSION;
+  private platform = inject(Platform);
   private router = inject(Router);
   private route = inject(ActivatedRoute);
   private toastCtrl = inject(ToastController);
@@ -60,6 +62,27 @@ export class AppComponent implements OnInit {
   }
 
   async ngOnInit() {
+    // Gestione tasto back per PWA/Browser (intercettando popstate di Angular Router)
+    this.router.events.subscribe(event => {
+      if (event instanceof NavigationStart && event.navigationTrigger === 'popstate') {
+        const targetUrl = event.url.split('?')[0];
+        if (targetUrl !== '/home' && targetUrl !== '/') {
+          this.router.navigate(['/home'], { replaceUrl: true });
+        }
+      }
+    });
+
+    // Gestione tasto back hardware per nativo (Capacitor/Cordova)
+    this.platform.backButton.subscribeWithPriority(9999, () => {
+      const currentUrl = this.router.url;
+      const path = currentUrl.split('?')[0];
+      if (path !== '/home' && path !== '/') {
+        this.router.navigate(['/home']);
+      } else {
+        App.exitApp();
+      }
+    });
+
     // Add global horizontal scroll support for wheel on horizontal containers
     window.addEventListener('wheel', (event: WheelEvent) => {
       if (Math.abs(event.deltaY) > 0 && Math.abs(event.deltaX) === 0) {