ui/src/app/data-explorer/data-explorer-panel.can-deactivate.guard.ts

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

import { Injectable } from '@angular/core';
import {
    ActivatedRouteSnapshot,
    Router,
    RouterStateSnapshot,
} from '@angular/router';
import { Observable } from 'rxjs';
import { SupportsUnsavedChangeDialog } from './models/dataview-dashboard.model';

@Injectable({ providedIn: 'root' })
export class DataExplorerPanelCanDeactivateGuard {
    constructor(private router: Router) {}
    canDeactivate(
        component: SupportsUnsavedChangeDialog,
        route: ActivatedRouteSnapshot,
        state: RouterStateSnapshot,
    ): Observable<boolean> | boolean {
        if (!this.router.getCurrentNavigation().extras?.state?.omitConfirm) {
            return component.confirmLeaveDialog(route, state);
        } else {
            return true;
        }
    }
}