|  |  | 
 |  |  | import { filter } from 'rxjs/operators'; | 
 |  |  | import { HttpClient } from '@angular/common/http'; | 
 |  |  | import { FormGroup, FormBuilder, FormControl, Validators, FormArray, AbstractControl } from '@angular/forms'; | 
 |  |  | import { SensorsService } from '@business/services/http/sensors.service'; | 
 |  |  | import { Grid, PageBean } from '@business/entity/grid'; | 
 |  |  | import { Organization, AlarmConfig, AlarmSensorLevel, AlarmConfigValue } from '@business/entity/data'; | 
 |  |  | import { Component, OnInit, OnDestroy } from '@angular/core'; | 
 |  |  | 
 |  |  |   validateForm: FormGroup; | 
 |  |  |   constructor( | 
 |  |  |     private organizationService: OrganizationService, | 
 |  |  |     private sensorsService: SensorsService, | 
 |  |  |     private alarmConfigService: AlarmConfigService, | 
 |  |  |     private formBuilder: FormBuilder, | 
 |  |  |     private http: _HttpClient, |