Edition validation

This section describes how you can validate user input and show validation messages.

Live example

Validator functions

Since the DikeGrid base the edition module in the Angular's Reactive Forms model, you add validator functions to the columns definition.

You can use the pre-built Angular's validator functions or define custom validator functions.

Let us begin defining some columns as editable with validators:

<dike-grid id="grid-edition-validation" height="600px" #grid="dkgGrid">
    <dike-grid-column
        fieldName="employeeId"
        headerText="Employee Id"
        dataType="Text"
        width="350">
    </dike-grid-column>

    <dike-grid-column
        fieldName="completeNameGroup"
        headerText="Complete Name">

        <dike-grid-column
            fieldName="firstName"
            headerText="Name"
            dataType="Text"
            width="150"
            editable
            [editionSettings]="nameEditionSettings">
        </dike-grid-column>

        <dike-grid-column
            fieldName="lastName"
            headerText="Surname"
            dataType="Text"
            width="150"
            editable
            [editionSettings]="lastNameEditionSettings">
        </dike-grid-column>
    </dike-grid-column>

    <dike-grid-column
        fieldName="gender"
        headerText="Gender"
        dataType="Binary"
        width="110"
        editable
        [editionSettings]="genderEditionSettings">
    </dike-grid-column>

    <dike-grid-column
        fieldName="age"
        headerText="Age"
        dataType="Numeric"
        contentAlign="center"
        width="100"
        editable
        [editionSettings]="ageEditionSettings">
    </dike-grid-column>

    <dike-grid-column
        fieldName="email"
        headerText="Email"
        dataType="Text"
        width="300"
        editable
        [editionTemplate]="emailEdition"
        [editionSettings]="emailEditionSettings">
    </dike-grid-column>

    <dike-grid-column
        fieldName="hireDate"
        headerText="Hire Date"
        dataType="Date"
        editable
        [editionSettings]="hireDateEditionSettings">
    </dike-grid-column>
</dike-grid>

@Component({
  selector: 'edition-validation',
  templateUrl: './edition-validation.component.html',
  styleUrls: ['./edition-validation.component.scss'],

  encapsulation: ViewEncapsulation.None,
  changeDetection: ChangeDetectionStrategy.OnPush
})
export class EditionValidationComponent implements OnInit, OnDestroy {
  //...
  
  nameEditionSettings: EditionFieldSettings;
  lastNameEditionSettings: EditionFieldSettings;
  genderEditionSettings: EditionFieldSettings;
  ageEditionSettings: EditionFieldSettings;
  emailEditionSettings: EditionFieldSettings;
  hireDateEditionSettings: EditionFieldSettings;
  
  ngOnInit(): void {
    // ...

    // Define the column edition settings:
    this.nameEditionSettings = {
      required: true,
      validators: [ Validators.maxLength(12) ]
    };

    this.lastNameEditionSettings = {
      required: true,
      validators: [ Validators.maxLength(15) ]
    };

    this.genderEditionSettings = {
      required: true,
      options: [ { label: 'M', value: 'male' }, { label: 'F', value: 'female' } ]
    };

    this.ageEditionSettings = {
      required: true,
      validators: [ Validators.min(22), Validators.max(60) ]
    };

    this.emailEditionSettings = { required: true };
    this.hireDateEditionSettings = { required: true };
  }
}

We have defined the following features:

Firstly, all the columns are required.
The Name column maximum length is 12.
The Surname column maximum length is 15.
The Age column only accepts values from 22 and 60.

We intentionally left the Email and Hire Date columns with no validators because we set them using the API.

Please, go to the live example and test the validators we have set.

Conveying error messages

When a field value does not meet the validator criteria, the DikeGrid displays a red bar at the left of the field.

You click on the red bar to see the specific validation message.

Standard validation messages

We have seen how to display the validation message specific to a field.

The DikeGrid offers default validation messages when validators throw an error.

To see the complete list of validation messages, see the DikeStandardErrorMessage class definition.

Custom validation messages

You can provide custom validation messages by providing an Injection Token or at the column level.

Messages by providing an Injection Token

When you modify or add validation messages by providing an Injection Token, you affect all your DikeGrid instances that live under the place you give your Injection Token.

Let us overwrite the required validator.

editing.module.ts

@NgModule({
  providers: [
    { provide: CUSTOM_EDITION_ERROR_MESSAGES,
      useFactory: (): CustomErrorMessage =>
        new CustomErrorMessage()
            .addMessage(ErrorType.REQUIRED, 'You can not leave the field empty.')
    }
  ]
})
export class EditingModule { }

As you can see, all the columns show the required validator message defined in the module.

Messages at the column level

When you want to be more specific in the messages you want to convey, you can define those messages at the column level.

In the following code snippet, we overwrite several validators' messages.

edition-validation.component.ts

ngOnInit(): void {
  // ...

  // Define the column edition settings:
  this.nameEditionSettings = {
    required: true,
    validators: [ Validators.maxLength(12) ],
    errorMessages: new CustomErrorMessage()
      .addMessage(ErrorType.MAX_LENGTH, 'The Name column maximum length must be 12.')
  };

  this.lastNameEditionSettings = {
    required: true,
    validators: [ Validators.maxLength(15) ],
    errorMessages: new CustomErrorMessage()
      .addMessage(ErrorType.MAX_LENGTH, 'The Surname column maximum length must be 15.')
  };

  this.genderEditionSettings = {
    required: true,
    options: [ { label: 'M', value: 'male' }, { label: 'F', value: 'female' } ]
  };

  this.ageEditionSettings = {
    required: true,
    validators: [ Validators.min(22), Validators.max(60) ],
    errorMessages: new CustomErrorMessage()
      .addMessage(ErrorType.REQUIRED, 'You must enter the age of the employee.')
      .addMessage(ErrorType.MIN, 'The minimum age to be hired must be 22 years old.')
      .addMessage(ErrorType.MAX, 'The maximum age to be hired must be 60 years old.')
  };

  this.emailEditionSettings = { required: true };
  this.hireDateEditionSettings = { required: true };
}

When running the live example, pay attention to the required validator for the Age column.

The column level definition has the highest precedence despite overwriting the required validator at the module level. Therefore, the DikeGrid shows the Age column required-validator message.

Custom validators

If the pre-built Angular validators are not enough for your use cases, you can create your custom validators.

See the official Angular docs for further details on custom validators.

See the following code snippet.

ngOnInit(): void {
  //...
  
  // Define the column edition settings:
  this.nameEditionSettings = {
    required: true,
    validators: [ Validators.maxLength(12), forbiddenNameValidator(/erick/i) ],
    errorMessages: new CustomErrorMessage()
      .addMessage(ErrorType.MAX_LENGTH, 'The Name column maximum length must be 12.')
      .addMessage('forbiddenName', 'The Name column can not contain the erick string.')
  };
  
  //...
}

We have taken the custom validator forbiddenNameValidator from the Angular docs and attached it to the Name column. The custom validator does not allow the user to type a name that contains the erick string.

We have attached a custom message to the forbiddenNameValidator validator as well.

Cross-field validation

When defining columns, the DikeGrid add them to the center panel if you do not specify a different panel for each column. Therefore, a DikeGrid instance could have one panel (center panel) or three (left, center, and right panels).

When you allow the user to edit rows, the DikeGrid creates one FormGroup for the entire row, one FormGroup for each panel, and one FormControl for each column field.

Having said how the DikeGrid organizes the FormControl's and the FormGroup's, you can add cross-validation on the row-level FormGroup, the outermost FormGroup.

Let us define a custom cross-validator.

<dike-grid id="grid-edition-validation" height="600px" #grid="dkgGrid"
    [gridEditionSettings]="gridEditionSettings">
</dike-grid>

@Component({
  selector: 'edition-validation',
  templateUrl: './edition-validation.component.html',
  styleUrls: ['./edition-validation.component.scss'],

  encapsulation: ViewEncapsulation.None,
  changeDetection: ChangeDetectionStrategy.OnPush
})
export class EditionValidationComponent implements OnInit, OnDestroy {
  //...
  
  gridEditionSettings: DikeGridEditionSettings<Employee>;
  
  ngOnInit(): void {
    //...
    
    this.gridEditionSettings = {
      crossFieldValidation: {
        customValidator: menAgeCrossValidation,
        errorMessages: new CustomErrorMessage()
          .addMessage('menAge', 'The minimum age for men is 36 years old.')
        }
    };
  }
}

// This function validates that men must be older than 35 years old:
export const menAgeCrossValidation = (columnDef: DikeGridColumnDef<Employee>): ValidatorFn => {

    // Get the desired columns:
    const genderColumn = columnDef.findColumn(column => column.fieldName === 'gender');
    const ageColumn = columnDef.findColumn(column => column.fieldName === 'age');

    // This validator function is attached to the row's FormGroup:
    return (rowGroup: AbstractControl): ValidationErrors | null => {
        // If the columns can not be found, there is no error:
        if (!genderColumn || !ageColumn) {
            return null;
        }

        // Get the controls from the corresponding FormGroup.
        // The slotId property identifies each column control inside the corresponding FormGroup:
        const genderControl = rowGroup.get(genderColumn.panel)?.get(genderColumn.slotId);
        const ageControl = rowGroup.get(ageColumn.panel)?.get(ageColumn.slotId);

        // If the controls can not be found, there is no error:
        if (!genderControl || !ageControl) {
            return null;
        }

        return genderControl.value as string === 'male' && ageControl.value as number <= 35 ? { menAge: true } : null;
    };
};

In the previous code snippet:

We have defined a custom validator but following a specific signature that receives the related DikeGridColumnDef instance.
We have also created the corresponding validator message.
Then, we have added the cross-validator to the edition settings at the level of the DikeGrid instance.

We recommend seeing the definition of the CrossFieldValidationSettings and DikeGridEditionSettings interfaces.

When a cross-field validator throws an error, the DikeGrid displays the red bar at the left of the pencil icon.

Assigning validators using the API

If you want to reconfigure validators functions at runtime, you can use the column API to achieve it.

Before using the API, we have to retrieve the DikeGrid instance from the component's view.

<dike-grid id="grid-edition-validation" height="600px" #grid="dkgGrid">
</dike-grid>

@Component({
  selector: 'edition-validation',
  templateUrl: './edition-validation.component.html',
  styleUrls: ['./edition-validation.component.scss'],

  encapsulation: ViewEncapsulation.None,
  changeDetection: ChangeDetectionStrategy.OnPush
})
export class EditionValidationComponent implements OnInit, OnDestroy {
  // Retrieve the DikeGridComponent<T> instance from the view:
  @ViewChild('grid') dikeGrid: DikeGridComponent<Employee>;
  
  //...
}

DikeGrid Column API

You can use the following method to assign validators at runtime.

Method

Description

setColumnEditable()

Use this method to set validators through the edition settings param.

For further details, see the DikeGridColumnDef definition.

Consider the following additions to the UI:

<div class="mt-2 flex flex-row flex-wrap items-center justify-around">
    <button mat-raised-button
        class="flex-none w-56 my-2"
        color="primary"
        (click)="onEmailValidator()">Email validator
    </button>

    <button mat-raised-button
        class="flex-none w-56 my-2"
        color="primary"
        (click)="onHireDateValidator()">Hire Date validator
    </button>
</div>

<dike-grid id="grid-edition-validation" height="600px" #grid="dkgGrid">
</dike-grid>

onEmailValidator(): void {
  const emailColumn = this.dikeGrid.columnDef.findColumn(column => column.fieldName === 'email');

  // The column exists and is a data column:
  if (!!emailColumn && isDikeDataColumnDef(emailColumn)) {
    // Assign the email validator:
    this.dikeGrid.columnDef.setColumnEditable(emailColumn, true, {
      editionSettings: { ...this.emailEditionSettings, validators: [ Validators.email ] }
    });
  }
}

onHireDateValidator(): void {
  const hireDateColumn = this.dikeGrid.columnDef.findColumn(column => column.fieldName === 'hireDate');

  // The column exists and is a data column:
  if (!!hireDateColumn && isDikeDataColumnDef(hireDateColumn)) {
    const today = new Date();
    // Assign the custom limitHireDateValidator validator:
    this.dikeGrid.columnDef.setColumnEditable(hireDateColumn, true, {
      editionSettings: {
        ...this.hireDateEditionSettings,
        validators: [ limitHireDateValidator(new Date(today.getFullYear(), today.getMonth(), today.getDate())) ],
        errorMessages: new CustomErrorMessage()
          .addMessage('limitHireDate', 'You can not enter a date after today.')
      }
    });
  }
}

export const limitHireDateValidator = (limitDate: Date): ValidatorFn =>
    (control: AbstractControl): ValidationErrors | null => {
        if (!(control.value instanceof Date)) {
          return null;
        }

        // Get the Date from the input:
        const controlDate = control.value as Date;

        return controlDate.getTime() > limitDate.getTime() ? { limitHireDate: true } : null;
    };

The previous definition generates the following output:

We describe the button actions in the following list:

Email validator. Clicking on this button will add the email validator to the Email column.
Hire Date validator. This action adds the limitHireDateValidator custom validator to the Hire Date column.

The limitHireDateValidator custom validator prevents users from entering dates after the current date.

When changing the validators at runtime, the DikeGrid re-renders the view for the involved columns.

Summary

When using the Angular validator functions, the DikeGrid offers a set of validations messages. You can overwrite these validation messages or add new ones.

Finally, you can create custom validation functions at the column or row levels. You can assign these validators at column definition or runtime.

<div class="mt-2 flex flex-row flex-wrap items-center justify-around">
    <button mat-raised-button
        class="flex-none w-56 my-2"
        color="primary"
        (click)="onEmailValidator()">Email validator
    </button>

    <button mat-raised-button
        class="flex-none w-56 my-2"
        color="primary"
        (click)="onHireDateValidator()">Hire Date validator
    </button>
</div>

<dike-grid id="grid-edition-validation" height="600px" #grid="dkgGrid"
    [displayRowId]="gridProperties.displayRowId"
    [gridElevation]="gridProperties.matElevation"
    [gridElevationValue]="gridProperties.elevationValue"
    [striped]="gridProperties.stripeRows"
    [verticalRowLines]="gridProperties.verticalRowLines"

    allowEdition
    [editionMode]="gridProperties.editionMode"
    
    [gridEditionSettings]="gridEditionSettings"

    [datasource]="dkgDataSource">

    <dike-grid-column
        fieldName="employeeId"
        headerText="Employee Id"
        dataType="Text"
        width="350">
    </dike-grid-column>

    <dike-grid-column
        fieldName="completeNameGroup"
        headerText="Complete Name">

        <dike-grid-column
            fieldName="firstName"
            headerText="Name"
            dataType="Text"
            width="150"
            editable
            [editionSettings]="nameEditionSettings">
        </dike-grid-column>

        <dike-grid-column
            fieldName="lastName"
            headerText="Surname"
            dataType="Text"
            width="150"
            editable
            [editionSettings]="lastNameEditionSettings">
        </dike-grid-column>
    </dike-grid-column>

    <dike-grid-column
        fieldName="gender"
        headerText="Gender"
        dataType="Binary"
        width="110"
        editable
        [editionSettings]="genderEditionSettings">
    </dike-grid-column>

    <dike-grid-column
        fieldName="age"
        headerText="Age"
        dataType="Numeric"
        contentAlign="center"
        width="100"
        editable
        [editionSettings]="ageEditionSettings">
    </dike-grid-column>

    <dike-grid-column
        fieldName="email"
        headerText="Email"
        dataType="Text"
        width="300"
        editable
        [editionTemplate]="emailEdition"
        [editionSettings]="emailEditionSettings">
    </dike-grid-column>

    <dike-grid-column
        fieldName="hireDate"
        headerText="Hire Date"
        dataType="Date"
        editable
        [editionSettings]="hireDateEditionSettings">
    </dike-grid-column>
</dike-grid>

<ng-template #emailEdition let-control="control">
    <mat-form-field floatLabel="never">
        <input matInput
            type="text"
            [formControl]="control"
            autocomplete="off">
        <mat-icon matSuffix>email</mat-icon>
    </mat-form-field>
</ng-template>

import { ChangeDetectionStrategy, ChangeDetectorRef, Component, OnDestroy, OnInit, ViewChild, ViewEncapsulation } from '@angular/core';
import { Validators } from '@angular/forms';
import { Subscription } from 'rxjs';

import { CustomErrorMessage, DikeGridComponent, DikeGridDataSourceInput, DikeGridEditionSettings,
    EditionFieldSettings, ErrorType, isDikeDataColumnDef
} from '@dikesoft/angular-data-grid';

import { forbiddenNameValidator, limitHireDateValidator } from './custom-validator';
import { menAgeCrossValidation } from './cross-validator';

import { DikeGridProperties } from 'app/core/config/dike-grid.properties';
import { Employee } from 'app/mock-api/common/employees/data.model';
import { SampleData } from 'app/services/sample-data.service';
import { DikeGridConfig } from 'app/services/dike-grid.config.service';

@Component({
  selector: 'edition-validation',
  templateUrl: './edition-validation.component.html',
  styleUrls: ['./edition-validation.component.scss'],

  encapsulation: ViewEncapsulation.None,
  changeDetection: ChangeDetectionStrategy.OnPush
})
export class EditionValidationComponent implements OnInit, OnDestroy {
  // Retrieve the DikeGridComponent<T> instance from the view:
  @ViewChild('grid') dikeGrid: DikeGridComponent<Employee>;

  dkgDataSource: DikeGridDataSourceInput<Employee>;
  gridProperties: DikeGridProperties;

  nameEditionSettings: EditionFieldSettings;
  lastNameEditionSettings: EditionFieldSettings;
  genderEditionSettings: EditionFieldSettings;
  ageEditionSettings: EditionFieldSettings;
  emailEditionSettings: EditionFieldSettings;
  hireDateEditionSettings: EditionFieldSettings;

  gridEditionSettings: DikeGridEditionSettings<Employee>;

  private changeGridPropertiesSubscription: Subscription = Subscription.EMPTY;

  constructor(
    private cdr: ChangeDetectorRef,
    private gridConfig: DikeGridConfig,
    private sampleData: SampleData) { }

  ngOnInit(): void {
    // Get 1000 entries from the REST API:
    this.dkgDataSource = this.sampleData.getEmployees(1000);
    // Listening to any config property change:
    this.setChangeGridPropertiesSubscription();
    // Define the column edition settings:
    this.nameEditionSettings = {
      required: true,
      validators: [ Validators.maxLength(12), forbiddenNameValidator(/erick/i) ],
      errorMessages: new CustomErrorMessage()
        .addMessage(ErrorType.MAX_LENGTH, 'The Name column maximum length must be 12.')
        .addMessage('forbiddenName', 'The Name column can not contain the erick string.')
    };

    this.lastNameEditionSettings = {
      required: true,
      validators: [ Validators.maxLength(15) ],
      errorMessages: new CustomErrorMessage()
        .addMessage(ErrorType.MAX_LENGTH, 'The Surname column maximum length must be 15.')
    };

    this.genderEditionSettings = {
      required: true,
      options: [ { label: 'M', value: 'male' }, { label: 'F', value: 'female' } ]
    };

    this.ageEditionSettings = {
      required: true,
      validators: [ Validators.min(22), Validators.max(60) ],
      errorMessages: new CustomErrorMessage()
        .addMessage(ErrorType.REQUIRED, 'You must enter the age of the employee.')
        .addMessage(ErrorType.MIN, 'The minimum age to be hired must be 22 years old.')
        .addMessage(ErrorType.MAX, 'The maximum age to be hired must be 60 years old.')
    };

    this.emailEditionSettings = { required: true };
    this.hireDateEditionSettings = { required: true };

    this.gridEditionSettings = {
      crossFieldValidation: {
        customValidator: menAgeCrossValidation,
        errorMessages: new CustomErrorMessage()
          .addMessage('menAge', 'The minimum age for men is 36 years old.')
      }
    };
  }

  ngOnDestroy(): void {
    this.changeGridPropertiesSubscription.unsubscribe();
  }

  onEmailValidator(): void {
    const emailColumn = this.dikeGrid.columnDef.findColumn(column => column.fieldName === 'email');

    // The column exists and is a data column:
    if (!!emailColumn && isDikeDataColumnDef(emailColumn)) {
      // Assign the email validator:
      this.dikeGrid.columnDef.setColumnEditable(emailColumn, true, {
        editionSettings: { ...this.emailEditionSettings, validators: [ Validators.email ] }
      });
    }
  }

  onHireDateValidator(): void {
    const hireDateColumn = this.dikeGrid.columnDef.findColumn(column => column.fieldName === 'hireDate');

    // The column exists and is a data column:
    if (!!hireDateColumn && isDikeDataColumnDef(hireDateColumn)) {
      const today = new Date();
      // Assign the custom limitHireDateValidator validator:
      this.dikeGrid.columnDef.setColumnEditable(hireDateColumn, true, {
        editionSettings: {
          ...this.hireDateEditionSettings,
          validators: [ limitHireDateValidator(new Date(today.getFullYear(), today.getMonth(), today.getDate())) ],
          errorMessages: new CustomErrorMessage()
            .addMessage('limitHireDate', 'You can not enter a date after today.')
        }
      });
    }
  }

  private setChangeGridPropertiesSubscription(): void {
    this.changeGridPropertiesSubscription.unsubscribe();
    this.changeGridPropertiesSubscription = this.gridConfig.configChange.subscribe((props: DikeGridProperties) => {
      this.gridProperties = props;
      this.cdr.markForCheck();
    });
  }
}

import { AbstractControl, ValidationErrors, ValidatorFn } from '@angular/forms';

export const forbiddenNameValidator = (nameRe: RegExp): ValidatorFn =>
    (control: AbstractControl): ValidationErrors | null => nameRe.test(control.value) ? { forbiddenName: true } : null;

export const limitHireDateValidator = (limitDate: Date): ValidatorFn =>
    (control: AbstractControl): ValidationErrors | null => {
        if (!(control.value instanceof Date)) {
          return null;
        }

        // Get the Date from the input:
        const controlDate = control.value as Date;

        return controlDate.getTime() > limitDate.getTime() ? { limitHireDate: true } : null;
    };

import { AbstractControl, ValidationErrors, ValidatorFn } from '@angular/forms';
import { DikeGridColumnDef } from '@dikesoft/angular-data-grid';

import { Employee } from 'app/mock-api/common/employees/data.model';

// This function validates that men must be older than 35 years old:
export const menAgeCrossValidation = (columnDef: DikeGridColumnDef<Employee>): ValidatorFn => {

    // Get the desired columns:
    const genderColumn = columnDef.findColumn(column => column.fieldName === 'gender');
    const ageColumn = columnDef.findColumn(column => column.fieldName === 'age');

    // This validator function is attached to the row's FormGroup:
    return (rowGroup: AbstractControl): ValidationErrors | null => {
        // If the columns can not be found, there is no error:
        if (!genderColumn || !ageColumn) {
            return null;
        }

        // Get the controls from the corresponding FormGroup.
        // The slotId property identifies each column control inside the corresponding FormGroup:
        const genderControl = rowGroup.get(genderColumn.panel)?.get(genderColumn.slotId);
        const ageControl = rowGroup.get(ageColumn.panel)?.get(ageColumn.slotId);

        // If the controls can not be found, there is no error:
        if (!genderControl || !ageControl) {
            return null;
        }

        return genderControl.value as string === 'male' && ageControl.value as number <= 35 ? { menAge: true } : null;
    };
};

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { RouterModule } from '@angular/router';

import { CustomErrorMessage, CUSTOM_EDITION_ERROR_MESSAGES, DikeDataGridModule,
    ErrorType, MAX_ROWS_IN_EDITION, ROW_EDITION_ESC_KEY,
    WAIT_FOR_MULTIPLE_ROWS_CANCELATION
} from '@dikesoft/angular-data-grid';

import { SharedModule } from 'app/shared/shared.module';
import { editingRoutes } from 'app/modules/admin/editing/editing.routing';

import { RowEditionComponent } from './row-edition/row-edition.component';
import { EditionTemplatesComponent } from './edition-templates/edition-templates.component';
import { EditionValidationComponent } from './edition-validation/edition-validation.component';
import { MultipleRowsEditionComponent } from './multiple-rows-edition/multiple-rows-edition.component';

@NgModule({
  declarations: [
    RowEditionComponent,
    EditionTemplatesComponent,
    EditionValidationComponent,
    MultipleRowsEditionComponent
  ],
  imports: [
    CommonModule,
    RouterModule.forChild(editingRoutes),

    SharedModule,
    DikeDataGridModule
  ],
  providers: [
    { provide: ROW_EDITION_ESC_KEY, useValue: false },
    { provide: CUSTOM_EDITION_ERROR_MESSAGES,
      useFactory: (): CustomErrorMessage =>
        new CustomErrorMessage()
            .addMessage(ErrorType.REQUIRED, 'You can not leave the field empty.')
    },
    { provide: MAX_ROWS_IN_EDITION, useValue: 5 },
    { provide: WAIT_FOR_MULTIPLE_ROWS_CANCELATION, useValue: false }
  ]
})
export class EditingModule { }

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