NiceSortable<T> class

Drag-to-reorder sortable list.

NiceSortable<String>(
  items: items,
  itemBuilder: (item, i, dragging) => ListTile(title: Text(item.data)),
  onReorder: (oldIdx, newIdx) => setState(() {
    final item = items.removeAt(oldIdx);
    items.insert(newIdx, item);
  }),
)
Inheritance
Available extensions

Constructors

NiceSortable({Key? key, required List<NiceSortableItem<T>> items, required Widget itemBuilder(NiceSortableItem<T> item, int index, bool isDragging), required void onReorder(int oldIndex, int newIndex), NiceSortableDirection direction = NiceSortableDirection.vertical, EdgeInsets padding = EdgeInsets.zero, double separatorHeight = 0, bool dragHandle = true, void onDragStart(int index)?, void onDragEnd(int oldIndex, int newIndex)?, bool shrinkWrap = false, ScrollPhysics? physics})
const

Properties

direction → NiceSortableDirection
final
dragHandle → bool
final
hashCode → int
The hash code for this object.
no setterinherited
itemBuilder → Widget Function(NiceSortableItem<T> item, int index, bool isDragging)
final
items → List<NiceSortableItem<T>>
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onDragEnd → void Function(int oldIndex, int newIndex)?
final
onDragStart → void Function(int index)?
final
onReorder → void Function(int oldIndex, int newIndex)
final
padding → EdgeInsets
final
physics → ScrollPhysics?
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
separatorHeight → double
final
shrinkWrap → bool
final

Methods

asFocusable({FocusNode? focusNode, bool autofocus = false}) → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Mark this widget as focusable.
asSemanticButton({String? label, VoidCallback? onTap}) → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Mark this widget as a button for screen readers.
asSemanticHeading(String label) → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Mark this widget as a heading for screen readers.
createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<NiceSortable<T>>
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
excludeFromSemantics() → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Exclude this widget from the semantic tree.
mergeSemantics() → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Merge semantics of child widgets.
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
withSemanticLabel(String label) → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Add a semantic label to this widget.

Operators

operator ==(Object other) → bool
The equality operator.
inherited