FdcFieldValueChangeResult<T> class sealed

Decision returned from an onValueChanging callback.

A callback may accept the proposed value, replace it, or cancel the change. additionalValues can apply related field updates as part of the same logical edit operation.

Implementers

• FdcFieldValueChangeAccepted
• FdcFieldValueChangeCanceled
• FdcFieldValueChangeReplacement

Constructors

FdcFieldValueChangeResult.accept()

const

factory

FdcFieldValueChangeResult.cancel([String? message])

const

factory

FdcFieldValueChangeResult.replaceValue(T? value)

const

factory

Properties

accepted → bool

Whether the proposed value change should proceed.

no setter

additionalValues → Map<String, Object?>

Related field values to apply with the primary value change.

final

hashCode → int

The hash code for this object.

no setter, inherited

hasReplacement → bool

Whether value replaces the originally proposed value.

no setter

message → String?

User-facing message text.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

value → T?

Replacement value when hasReplacement is true.

no setter

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

withAdditionalValues(Map<String, Object?> values) → FdcFieldValueChangeResult<T>

Returns the same decision enriched with related field updates.

Operators

operator ==(Object other) → bool

The equality operator.

inherited