Hi,
i understand that there are ways to delete and add fields on form via form extensions.
How about edit? I want to edit the validation of the username.
I've tried deleting the existing username prop and added a new custom usernameprop but am now having issues when i edit the form.
https://abp.io/docs/latest/framework/ui/angular/dynamic-form-extensions
5 Answer(s)
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1
To modify the validation of an existing field (such as the username) in an ABP Angular form using the Dynamic Form Extensions system, you should use a FormPropContributor to update the validation rules, rather than deleting and re-adding the property. This approach ensures the form remains consistent and avoids issues during editing.
Here's how you can update the validation for the username field:
- Create a FormPropContributor function that locates the username property and updates its validators.
import { Validators } from '@angular/forms'; import { FormPropList } from '@abp/ng.theme.shared/extensions'; import { IdentityUserDto } from '@volo/abp.ng.identity/proxy'; export function usernamePropContributor(propList: FormPropList<IdentityUserDto>) { const usernameProp = propList.get('userName'); if (usernameProp) { // Update validators as needed usernameProp.validators = () => [ Validators.required, Validators.minLength(6), // Example: minimum length Validators.pattern(/^[a-zA-Z0-9_]+$/) // Example: alphanumeric and underscores only ]; } }
- Register your contributor in the appropriate module:
import { eIdentityComponents, IdentityUserFormPropContributors } from '@volo/abp.ng.identity'; export const identityUserFormPropContributors: IdentityUserFormPropContributors = { [eIdentityComponents.Users]: [usernamePropContributor] };
- Pass the contributors to the module using the
forLazy
orforChild
method:
IdentityModule.forLazy({ userFormPropContributors: identityUserFormPropContributors })
This method updates the validation rules for the username field without removing and re-adding the property, which avoids issues with form editing.
Sources:
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0
[AI-Bot] said: const usernameProp = propList.get('userName'); if (usernameProp) { // Update validators as needed usernameProp.validators = () => [ Validators.required, Validators.minLength(6), // Example: minimum length Validators.pattern(/^[a-zA-Z0-9_]+$/) // Example: alphanumeric and underscores only ];
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0
Hi! Here's an approach you can follow:
const userNameField = new FormProp<IdentityUserDto>({ type: ePropType.String, name: 'userName', displayName: 'New Username', id: 'userName', autocomplete: 'new-username', validators: _ => [Validators.required, Validators.minLength(4)], }); export function userCreateFormContributor(formProps: FormPropList<IdentityUserDto>) { const userNameIndex = formProps.indexOf('userName', (action, name) => action.name === name); formProps.dropByIndex(userNameIndex); formProps.addByIndex(userNameField, userNameIndex); } export const identityCreateFormContributors: IdentityCreateFormPropContributors = { [eIdentityComponents.Users]: [userCreateFormContributor], }; export const identityEditFormContributors: IdentityEditFormPropContributors = { [eIdentityComponents.Users]: [userCreateFormContributor], };
Then, configure your route like this:
// app-routing.module ... { path: 'identity', loadChildren: () => import('@volo/abp.ng.identity').then(m => m.IdentityModule.forLazy({ createFormPropContributors: identityCreateFormContributors, editFormPropContributors: identityCreateFormContributors, }), ), }, ...
Let me know if you need any further help!
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0
[sumeyye.kurtulus] said: Hi! Here's an approach you can follow:
const userNameField = new FormProp<IdentityUserDto>({ type: ePropType.String, name: 'userName', displayName: 'New Username', id: 'userName', autocomplete: 'new-username', validators: _ => [Validators.required, Validators.minLength(4)], }); export function userCreateFormContributor(formProps: FormPropList<IdentityUserDto>) { const userNameIndex = formProps.indexOf('userName', (action, name) => action.name === name); formProps.dropByIndex(userNameIndex); formProps.addByIndex(userNameField, userNameIndex); } export const identityCreateFormContributors: IdentityCreateFormPropContributors = { [eIdentityComponents.Users]: [userCreateFormContributor], }; export const identityEditFormContributors: IdentityEditFormPropContributors = { [eIdentityComponents.Users]: [userCreateFormContributor], };
Then, configure your route like this:
// app-routing.module ... { path: 'identity', loadChildren: () => import('@volo/abp.ng.identity').then(m => m.IdentityModule.forLazy({ createFormPropContributors: identityCreateFormContributors, editFormPropContributors: identityCreateFormContributors, }), ), }, ...
Let me know if you need any further help!
ah, thank you works now. i had a similar code by the id was in PascalCase , therefore it wasn't working.
is it ok if i get my ticket allocation refunded for this please?
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2
I'm glad to hear that the solution worked and everything is running smoothly now!
Regarding your request to refund the ticket allocation, I'm afraid we can't process a refund in this case. Our policy is to refund tickets that are used to report a bug or a problem in our product.
Regards.