FormControlCollection<T> class Null safety

The base class form FormGroup and FormArray. Its provides methods for get a control by name and a Listenable that emits events each time you add or remove a control to the collection.

Implementers

Constructors

FormControlCollection()

Properties

collectionChanges Stream<List<AbstractControl<Object?>>>
Emits when a control is added or removed from collection.
read-only
hashCode int
The hash code for this object. [...]
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

closeCollectionEvents() → void
Close stream that emit collection change events
contains(String name) bool
Checks if collection contains a control by a given name. [...]
control(String name) AbstractControl
Retrieves a child control given the control's name or path. [...]
emitsCollectionChanged(List<AbstractControl<Object?>> controls) → void
Notify to listeners that the collection changed. [...]
findControlInCollection(List<String> path) AbstractControl<Object>?
Walks the path to find the matching control. [...]
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() String
A string representation of this object. [...]
inherited

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited