ChoiceList<T> class
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- ChoiceList
- Implementers
Constructors
-
ChoiceList({Key? key, required int itemCount, required IndexedChoiceStateBuilder<
T> itemBuilder, ChoiceSkipResolver<T> ? itemSkip, ChoiceGroupResolver? itemGroup, ChoiceStateBuilder<T> ? dividerBuilder, ChoiceStateBuilder<T> ? leadingBuilder, ChoiceStateBuilder<T> ? trailingBuilder, ChoiceStateBuilder<T> ? placeholderBuilder, ChoiceStateBuilder<T> ? errorBuilder, ChoiceStateBuilder<T> ? loaderBuilder, ChoiceGroupSortResolver? groupSort, ChoiceGroupBuilder? groupBuilder, ChoiceGroupItemBuilder? groupItemBuilder, ChoiceGroupHeaderBuilder<T> ? groupHeaderBuilder, ChoiceListBuilder? builder, bool loading = false, bool error = false}) -
const
Properties
- builder → ChoiceListBuilder?
-
Called to build the list of choice items
final
-
dividerBuilder
→ ChoiceStateBuilder<
T> ? -
Called to build divider item
final
-
effectiveErrorBuilder
→ ChoiceStateBuilder<
T> -
no setter
- effectiveGroupBuilder → ChoiceGroupBuilder
-
no setter
-
effectiveGroupHeaderBuilder
→ ChoiceGroupHeaderBuilder<
T> -
no setter
- effectiveGroupItemBuilder → ChoiceGroupItemBuilder
-
no setter
-
effectiveItemSkip
→ ChoiceSkipResolver<
T> -
no setter
- effectiveListBuilder → ChoiceListBuilder
-
no setter
-
effectiveLoadingBuilder
→ ChoiceStateBuilder<
T> -
no setter
-
effectivePlaceholderBuilder
→ ChoiceStateBuilder<
T> -
no setter
- error → bool
-
Specifies whether the choice list has error
final
-
errorBuilder
→ ChoiceStateBuilder<
T> ? -
Called to build an error indicator widget when choice list cannot be shown
final
- groupBuilder → ChoiceGroupBuilder?
-
Called to build the grouped list of choice items
final
-
groupHeaderBuilder
→ ChoiceGroupHeaderBuilder<
T> ? -
Called to build the grouped header of choice items
final
- groupItemBuilder → ChoiceGroupItemBuilder?
-
Called to build the grouped item of choice items
final
- groupSort → ChoiceGroupSortResolver?
-
If provided, sort group by the given callback
final
- hasDivider → bool
-
Indicates whether the choice list has divider item
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasLeading → bool
-
Indicates whether the choice list has leading item
no setter
- hasTrailing → bool
-
Indicates whether the choice list has trailing item
no setter
- isGrouped → bool
-
Indicates whether the choice items is grouped
no setter
-
itemBuilder
→ IndexedChoiceStateBuilder<
T> -
Called to build choice item
final
- itemCount → int
-
The total number of item, this choice list can provide
final
- itemGroup → ChoiceGroupResolver?
-
Called to enable grouped choices and specify group name of choice item
final
-
itemSkip
→ ChoiceSkipResolver<
T> ? -
Called to specify which indices to skip when building choice item
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
leadingBuilder
→ ChoiceStateBuilder<
T> ? -
Called to build leading item of the item collection
final
-
loaderBuilder
→ ChoiceStateBuilder<
T> ? -
Called to build loading indicator when loading is true
final
- loading → bool
-
Specify whether the choice items is in loading state
final
-
placeholderBuilder
→ ChoiceStateBuilder<
T> ? -
Called to build placeholder when there are no choice items
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
trailingBuilder
→ ChoiceStateBuilder<
T> ? -
Called to build trailing item of the item collection
final
Methods
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this widget.
override
-
createElement(
) → StatelessElement -
Creates a StatelessElement to manage this widget's location in the tree.
inherited
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of DiagnosticsNode objects describing this node's
children.
inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toDiagnosticsNode(
{String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode -
Returns a debug representation of the object that is used by debugging
tools and by DiagnosticsNode.toStringDeep.
inherited
-
toString(
{DiagnosticLevel minLevel = DiagnosticLevel.info}) → String -
A string representation of this object.
inherited
-
toStringDeep(
{String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String -
Returns a string representation of this node and its descendants.
inherited
-
toStringShallow(
{String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String -
Returns a one-line detailed description of the object.
inherited
-
toStringShort(
) → String -
A short, textual description of this widget.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Properties
- defaultBuilder → ChoiceListBuilder
-
final
- defaultGroupBuilder → ChoiceGroupBuilder
-
final
- defaultGroupItemBuilder → ChoiceGroupItemBuilder
-
final
Static Methods
-
createGrid(
{bool shrinkWrap = true, ScrollPhysics? physics, SliverGridDelegate? delegate, Axis direction = Axis.vertical, EdgeInsetsGeometry padding = EdgeInsets.zero, double spacing = 0.0, int columns = 2, double childAspectRatio = 1.0}) → ChoiceListBuilder -
createScrollable(
{Axis direction = Axis.horizontal, double spacing = 0.0, double runSpacing = 0.0, EdgeInsetsGeometry padding = EdgeInsets.zero, WrapAlignment alignment = WrapAlignment.start, WrapAlignment runAlignment = WrapAlignment.start, WrapCrossAlignment crossAxisAlignment = WrapCrossAlignment.start, TextDirection? textDirection, VerticalDirection verticalDirection = VerticalDirection.down, Clip clipBehavior = Clip.none}) → ChoiceListBuilder -
createVirtualized(
{bool shrinkWrap = false, ScrollPhysics? physics, Axis direction = Axis.vertical, EdgeInsetsGeometry? padding}) → ChoiceListBuilder -
createWrapped(
{Axis direction = Axis.horizontal, WrapAlignment alignment = WrapAlignment.start, EdgeInsetsGeometry padding = EdgeInsets.zero, double spacing = 10.0, WrapAlignment runAlignment = WrapAlignment.start, double runSpacing = 10.0, WrapCrossAlignment crossAxisAlignment = WrapCrossAlignment.start, TextDirection? textDirection, VerticalDirection verticalDirection = VerticalDirection.down, Clip clipBehavior = Clip.none}) → ChoiceListBuilder -
defaultItemSkip<
T> (ChoiceController< T> state, int i) → bool