--- /dev/null
+import { Component, OnInit } from '@angular/core';
+import { NbThemeService } from '@nebular/theme';
+import { NbJSThemeOptions } from '@nebular/theme/services/js-themes/theme.options';
+import { AnalyticsService } from '../../../@core/utils/analytics.service';
+
+@Component({
+ selector: 'ngx-theme-switcher',
+ styleUrls: ['./theme-switcher.component.scss'],
+ template: `
+ <label class="theme-switch">
+ <span class="light">Light</span>
+ <div class="switch">
+ <input type="checkbox" [checked]="currentBoolTheme()" (change)="toggleTheme(theme.checked)" #theme>
+ <span class="slider"></span>
+ </div>
+ <span class="cosmic">Cosmic</span>
+ </label>
+ `,
+})
+export class ThemeSwitcherComponent implements OnInit {
+ theme: NbJSThemeOptions;
+
+ constructor(private themeService: NbThemeService, private analyticsService: AnalyticsService) {
+ }
+
+ ngOnInit() {
+ this.themeService.getJsTheme()
+ .subscribe((theme: NbJSThemeOptions) => this.theme = theme);
+ }
+
+ toggleTheme(theme: boolean) {
+ const boolTheme = this.boolToTheme(theme);
+ this.themeService.changeTheme(boolTheme);
+ this.analyticsService.trackEvent('switchTheme');
+ }
+
+ currentBoolTheme() {
+ return this.themeToBool(this.theme);
+ }
+
+ private themeToBool(theme: NbJSThemeOptions) {
+ return theme.name === 'cosmic';
+ }
+
+ private boolToTheme(theme: boolean) {
+ return theme ? 'cosmic' : 'default';
+ }
+}