RadioGroupSingleSelectionModel<T> class
Single selection model that always has a value selected
- Inheritance
-
- Object
- DelegatingSelectionModel<
T> - DelegatingSingleSelectionModel<
T> - RadioGroupSingleSelectionModel
Constructors
- RadioGroupSingleSelectionModel([T? initialValue])
Properties
-
changes
→ Stream<
List< ChangeRecord> > -
Emits a list of changes when the state of the object changes.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasObservers → bool
-
True if this object has any observers.
no setterinherited
- hasSelectionObservers → bool
-
Returns true if a subscriber is listening to selectionChanges.
no setterinherited
- isEmpty → bool
-
Returns true if selection is empty.
no setterinherited
- isNotEmpty → bool
-
Returns true if selection is not empty.
no setterinherited
- isSingleSelect ↔ bool
-
Whether or not the selection model is single select.
getter/setter pairinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- selectedValue → T?
-
The selected value, or
nullif no value has been selected.no setterinherited -
selectedValues
→ Iterable<
T> -
Returns ordered list of selected values.
no setterinherited
-
selectionChanges
→ Stream<
List< SelectionChangeRecord< >T> > -
A stream that returns changes to selected elements.
no setterinherited
Methods
-
castIterable(
Iterable values) → Iterable< T> -
Casts
valuesinto an Iterableinherited -
clear(
) → void -
Clears selection.
override
-
deliverChanges(
) → bool -
If hasObservers, synchronously emits changes that have been queued.
inherited
-
deliverSelectionChanges(
) → bool -
Synchronously deliver all SelectionChangeRecords.
inherited
-
deselect(
T value) → bool -
Removes a value from list of selected items.
override
-
isSelected(
T value) → bool -
Returns whether an item is selected.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyChange(
[ChangeRecord? changeRecord]) → void -
Schedules
changeto be delivered.inherited -
notifyPropertyChange<
S> (Symbol field, S oldValue, S newValue) → S -
Notify that the
fieldname of this object has been changed.inherited -
notifySelectionChange(
{Iterable< T> added = const [], Iterable<T> removed = const []}) → void -
Schedules a SelectionChangeRecord.
inherited
-
observed(
) → void -
May override to be notified when changes is first observed.
inherited
-
select(
T value) → bool -
Adds
valueto list of selected items.inherited -
toString(
) → String -
A string representation of this object.
inherited
-
unobserved(
) → void -
May override to be notified when changes is no longer observed.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited