frontend/src/app/app.component.ts

import {Component, OnInit} from '@angular/core';

import { Platform } from '@ionic/angular';
import { SplashScreen } from '@ionic-native/splash-screen/ngx';
import { StatusBar } from '@ionic-native/status-bar/ngx';
import { ApiService } from './service/api.service';
import {Router} from '@angular/router';

@Component({
  selector: 'app-root',
  templateUrl: 'app.component.html',
  styleUrls: ['app.component.scss']
})
export class AppComponent implements OnInit {

  public nodes = [];
  public options = {
    actionMapping: {
      mouse: {
        dblClick: (tree, node, $event) => {
          console.log({tree, node, $event});
          const id = node.data.id;
          this.router.navigate(['/editor', {id}]);
        }
      }
    }
  };

  public darkMode = false;
  constructor(
    private platform: Platform,
    private splashScreen: SplashScreen,
    private statusBar: StatusBar,
    private api: ApiService,
    protected router: Router,
  ) {
    this.initializeApp();
  }

  ngOnInit() {
    this.api.get('/menu/items').subscribe(result => {
      this.nodes = result.data;
    });
  }

  initializeApp() {
    this.platform.ready().then(() => {
      this.statusBar.styleDefault();
      this.splashScreen.hide();
    });
  }

  toggleDark() {
    this.darkMode = !this.darkMode;
    console.log("toggel Dark mode");
    if (this.darkMode) {
      console.log("Dark Mode On");
    } else {
      console.log("Dark Mode Off");
    }
  }
}