ActiveNullableString class

An ActiveNullableString with similar characteristics as a an ordinary dart List object. When an update is done an ActiveStateChanged event is triggered which in-turn makes a UI rebuild of that widget.

Has similar characteristics as int and The value can be null

Use isNull or isNotNull to check null state.

Inheritance

Constructors

ActiveNullableString.new({String? value, String? typeName})

Properties

activeController → ActiveController
Returns the instance of the ActiveController this property is associated with.
no setterinherited
hashCode → int
The hash code for this object.
no setterinherited
isEmpty → bool
Whether the string value is empty
no setter
isNotEmpty → bool
Whether the string value is empty or not.
no setter
isNotNull → bool
Returns true if the value of this is not null.
no setterinherited
isNull → bool
Returns true if the value of this is null.
no setterinherited
length → int
The length of the string value.
no setter
mockValue → String?
no setterinherited
originalValue → String?
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
typeName ↔ String?
getter/setter pairinherited
value → String?
no setterinherited

Methods

call(String? value, {bool notifyChange = true, bool setAsOriginal = false}) → void
Updates the underlying value for this ActiveType.
inherited
contains(String other, [int startIndex = 0]) → bool
Whether the string value contains a match of other.
equals(dynamic other) → bool
Checks if other is equal to the value of this ActiveType
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
reset({bool notifyChange = true}) → void
Resets the value to the originalValue.
inherited
set(String? value, {bool notifyChange = true, bool setAsOriginal = false}) → String?
Updates the property value. Notifies any listeners to the change
inherited
setActiveController(ActiveController activeController) → void
Links this ActiveType instance with an ActiveController.
inherited
setOriginalValueToCurrent() → void
Updates the original value to what the current value of this property is.
inherited
substring(int start, [int? end]) → String?
The substring of the string value from start, inclusive, to end, exclusive.
toString() → String
A string representation of this object.
inherited

Operators

operator ==(dynamic other) → bool
The equality operator.
inherited