CollectionChangedValidationTrigger

API / CollectionChangedValidationTrigger<TItem, TCollection> class

Represents a collection changed validation trigger. Whenever the collection changes a validation may be triggered.

Extends ValidationTrigger<TCollection>.

class CollectionChangedValidationTrigger<TItem = unknown, TCollection extends INotifyCollectionChanged<TItem> = INotifyCollectionChanged<TItem>>
    extends ValidationTrigger<TCollection>

Source reference: src/validation/triggers/CollectionChangedValidationTrigger.ts:28.

Generic Parameters

• TItem - The type of item the collection contains.

  Default value: unknown.

• TCollection - The collection type that may trigger validations.

  Type constraints: INotifyCollectionChanged<TItem>.
  Default value: INotifyCollectionChanged<TItem>.

Constructors

• constructor - Initializes a new instance of the CollectionChangedValidationTrigger<TItem, TCollection> class.

Properties

• inherited readonly trigger - Gets the source object that triggers validation.
• inherited readonly validationTriggered - Gets an event that is raised whenever the source object triggers a validation.

Methods

• override protected subscribeToTarget - Subscribes to collection changes.
• override protected unsubscribeFromTarget - Unsubscribes from collection changes.

Inheritance Hierarchy

• ValidationTrigger<TTrigger>
  • ViewModelChangedValidationTrigger<TViewModel>
  • CollectionChangedValidationTrigger<TItem, TCollection>
  • CollectionReorderedValidationTrigger<TItem, TCollection>
  • SetChangedValidationTrigger<TItem, TSet>
  • MapChangedValidationTrigger<TKey, TItem, TMap>
  • CollectionItemValidationTrigger<TItem>
  • SetItemValidationTrigger<TItem>
  • MapItemValidationTrigger<TKey, TItem>