ValidationTrigger

API / ValidationTrigger<TTrigger> class

Represents a validation trigger. Generally, they wrap an observable object and whenever it changes the ValidationTrigger.validationTriggered event is raised.

This is an abstract class.

abstract class ValidationTrigger<TTrigger = unknown>

Source reference: src/validation/triggers/ValidationTrigger.ts:41.

Generic Parameters

• TTrigger - The concrete type that may trigger validations.

  Default value: unknown.

Constructors

• protected constructor - Initializes a new instance of the ValidationTrigger<TTrigger> class.

Properties

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

Methods

• protected notifyValidationTriggered - Raises the ValidationTrigger.validationTriggered event, notifying that a validation should occur.
• abstract protected subscribeToTarget - A plug-in method that handles the actual event subscription to the ValidationTrigger.trigger.
• abstract protected unsubscribeFromTarget - A plug-in method that handles the actual event unsubscription to the ValidationTrigger.trigger.

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>