NumberEditingController<T extends num> class
abstract
A generic TextEditingController for parsing and managing numerical input.
This controller handles both integer and double values, with the specific type determined by the subclass. It listens to text input changes and updates the internal numerical value accordingly.
- Inheritance
-
- Object
- ChangeNotifier
- ValueNotifier<
TextEditingValue> - TextEditingController
- NumberEditingController
- Implementers
Constructors
- NumberEditingController.new({T? initialValue})
- Constructor for NumberEditingController.
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- numberValue → T?
-
Getter for the current numerical value.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- selection ↔ TextSelection
-
The currently selected range within text.
getter/setter pairinherited
- text ↔ String
-
The current string the user is editing.
getter/setter pairinherited
- value ↔ TextEditingValue
-
The current value stored in this notifier.
getter/setter pairinherited
Methods
-
addListener(
VoidCallback listener) → void -
Register a closure to be called when the object changes.
inherited
-
buildTextSpan(
{required BuildContext context, TextStyle? style, required bool withComposing}) → TextSpan -
Builds TextSpan from current editing value.
inherited
-
clear(
) → void -
Set the value to empty.
inherited
-
clearComposing(
) → void -
Set the composing region to an empty range.
inherited
-
dispose(
) → void -
Discards any resources used by the object. After this is called, the
object is not in a usable state and should be discarded (calls to
addListener will throw after the object is disposed).
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyListeners(
) → void -
Call all the registered listeners.
inherited
-
parseValue(
String rawText) → T? - Parses the raw text input into the appropriate numerical type.
-
removeListener(
VoidCallback listener) → void -
Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
-
setValue(
T value) → void - Sets the numerical value and updates the text in the controller.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited