SelectionChangeNotifier<T> class
abstract
Mixin for providing SelectionModel.selectionChanges.
- Implemented types
Constructors
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 setteroverride
- 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.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
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 setteroverride
Methods
-
castIterable(
Iterable values) → Iterable< T> -
Casts
valuesinto an Iterableinherited -
clear(
) → void -
Clears selection.
inherited
-
deliverChanges(
) → bool -
If
hasObservers, synchronously emitschangesthat have been queued.inherited -
deliverSelectionChanges(
) → bool -
Synchronously deliver all SelectionChangeRecords.
override
-
deselect(
T value) → bool -
Removes a value from list of selected items.
inherited
-
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? change]) → void -
Schedules
changeto be delivered.inherited -
notifyPropertyChange<
T> (Symbol field, T oldValue, T newValue) → T -
Notify that the
fieldname of this object has been changed.inherited -
notifySelectionChange(
{Iterable< T> added = const [], Iterable<T> removed = const []}) → void -
Schedules a SelectionChangeRecord.
override
-
observed(
) → void -
May override to be notified when
changesis 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
changesis no longer observed.inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited