ReorderableWrap class
Reorderable (drag and drop) version of Wrap, A widget that displays its children in multiple horizontal or vertical runs.
In addition to Wrap's parameters, this widget also adds two parameters, minMainAxisCount and maxMainAxisCount, that limits how many children each run has at least and at most. For example, if the size of parent widget allows a run to have more than maxMainAxisCount children, the run is forced to end and will have maxMainAxisCount children only.
All children must have a key.
See also:
- Wrap, which displays its children in multiple horizontal or vertical runs.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- ReorderableWrap
Constructors
-
ReorderableWrap({required List<
Widget> children, required ReorderCallback onReorder, List<Widget> ? header, ScrollController? controller, Axis direction = Axis.horizontal, Axis scrollDirection = Axis.vertical, ScrollPhysics? scrollPhysics, EdgeInsets? padding, BuildItemsContainer? buildItemsContainer, BuildDraggableFeedback? buildDraggableFeedback, bool needsLongPressDraggable = true, WrapAlignment alignment = WrapAlignment.start, double spacing = 0.0, WrapAlignment runAlignment = WrapAlignment.start, double runSpacing = 0.0, WrapCrossAlignment crossAxisAlignment = WrapCrossAlignment.start, TextDirection? textDirection, VerticalDirection verticalDirection = VerticalDirection.down, int? minMainAxisCount, int? maxMainAxisCount, NoReorderCallback? onNoReorder, ReorderStartedCallback? onReorderStarted, Duration reorderAnimationDuration = const Duration(milliseconds: 200), Duration scrollAnimationDuration = const Duration(milliseconds: 200), bool ignorePrimaryScrollController = false, bool enableReorder = true, Key? key}) - Creates a reorderable wrap.
Properties
- alignment → WrapAlignment
-
How the children within a run should be places in the main axis.
final
- buildDraggableFeedback → BuildDraggableFeedback?
-
final
- buildItemsContainer → BuildItemsContainer?
-
final
-
children
→ List<
Widget> -
The widgets to display.
final
- controller → ScrollController?
-
A custom scroll controller.
To control the initial scroll offset of the scroll view, provide a
controller with its ScrollController.initialScrollOffset property set.
final
- crossAxisAlignment → WrapCrossAlignment
-
How the children within a run should be aligned relative to each other in
the cross axis.
final
- direction → Axis
-
The direction to use as the main axis.
final
- enableReorder → bool
-
final
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
-
header
→ List<
Widget> ? -
A non-reorderable header widget to show before the list.
final
- ignorePrimaryScrollController → bool
-
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- maxMainAxisCount → int?
-
final
- minMainAxisCount → int?
-
final
- needsLongPressDraggable → bool
-
The flag of whether needs long press to trigger dragging mode.
true means it needs long press and false means no need.
final
- onNoReorder → NoReorderCallback?
-
final
- onReorder → ReorderCallback
-
Called when a child is dropped into a new position to shuffle the
children.
final
- onReorderStarted → ReorderStartedCallback?
-
Called when the draggable starts being dragged.
final
- padding → EdgeInsets?
-
The amount of space by which to inset the children.
final
- reorderAnimationDuration → Duration
-
final
- runAlignment → WrapAlignment
-
How the runs themselves should be placed in the cross axis.
final
- runSpacing → double
-
How much space to place between the runs themselves in the cross axis.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- scrollAnimationDuration → Duration
-
final
- scrollDirection → Axis
-
final
- scrollPhysics → ScrollPhysics?
-
How the scroll view should respond to user input.
final
- spacing → double
-
How much space to place between children in a run in the main axis.
final
- textDirection → TextDirection?
-
Determines the order to lay children out horizontally and how to interpret
start
andend
in the horizontal direction.final - verticalDirection → VerticalDirection
-
Determines the order to lay children out vertically and how to interpret
start
andend
in the vertical direction.final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → _ReorderableWrapState -
Creates the mutable state for this widget at a given location in the tree.
override
-
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}) → 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