ItemView<K extends Object, Section, Item> class
Rich view of a visible item passed to an item builder.
Constructors
-
ItemView({required K key, required Item item, required K sectionKey, required Section section, required int indexInSection, required SectionedListController<
K, Section, Item> controller}) -
const
Properties
-
controller
→ SectionedListController<
K, Section, Item> -
The controller backing this view.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- indexInSection → int
-
Position among siblings in the section, 0-based, in live-list
space (skipping pending-deletion siblings).
final
- item → Item
-
User payload.
final
- key → K
-
Unique identifier for this item.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- section → Section
-
Section payload, resolved for convenience.
final
- sectionKey → K
-
Identifier of the section this item belongs to.
final
Methods
-
moveTo(
{K? section, int? index}) → void -
Moves this item to
sectionand/orindex. -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
remove(
{bool animate = true}) → void - Removes this item.
-
toString(
) → String -
A string representation of this object.
inherited
-
update(
Item item) → void - Replaces this item's payload. Asserts that the item still exists.
-
watch(
{required Widget builder(BuildContext context, ItemView< K, Section, Item> view), Key? widgetKey}) → Widget -
Selectively rebuilds
builderwhen this item's payload changes viacontroller.updateItem. Does NOT trigger on indexInSection changes (e.g., a sibling moves) or on reparenting — those are structural and the row is rebuilt by the underlying SliverTree as part of normal layout.
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited