SectionView<K extends Object, Section, Item> class
Rich view of a visible section header passed to a header builder.
Constructors
-
SectionView({required K key, required Section section, required int itemCount, required bool isExpanded, required bool isCollapsible, required SectionedListController<
K, Section, Item> controller}) -
const
Properties
-
controller
→ SectionedListController<
K, Section, Item> -
The controller backing this view, available as an escape hatch.
Convenience methods on this view delegate to the controller.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- isCollapsible → bool
-
Whether the user can toggle this section's expansion.
falsewhen the parent widget was created withcollapsible: false.final - isExpanded → bool
-
Whether the section is currently expanded.
final
- itemCount → int
-
Total items currently belonging to this section, regardless of
expansion state. Visible count is
isExpanded ? itemCount : 0.final - key → K
-
Unique identifier for this section.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- section → Section
-
User payload for the section header.
final
Methods
-
addItem(
Item item, {int? index, bool animate = true}) → void -
Adds
itemunder this section. Forwards to SectionedListController.addItem. -
collapse(
{bool animate = true}) → void - Collapses this section.
-
expand(
{bool animate = true}) → void - Expands this section.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
remove(
{bool animate = true}) → void - Removes this section (and all its items).
-
toggle(
{bool animate = true}) → void - Toggles expansion.
-
toString(
) → String -
A string representation of this object.
inherited
-
update(
Section section) → void - Replaces this section's payload. Asserts that the section still exists.
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited