public openInputMode(selectedDepartment?: any) {
    this.selectedDepartment = selectedDepartment;
    const matDialogConfig: MatDialogConfig = _.cloneDeep(GajiIdSettings.DIALOG_CONFIG);
    matDialogConfig.data = selectedDepartment;

    this.inputDialogRef = this.dialog.open(DepartmentInputComponent, matDialogConfig);
    this.inputDialogRef.afterClosed().subscribe(
      (department: Department) => {
        if (department) {
          this.refreshData();
        }
      }
    );
  }