MultiItemDropper<T> class

Multi-select dropdown widget Allows selecting multiple items with chip-based display

Inheritance

Constructors

MultiItemDropper({Key? key, required List<ItemDropperItem<T>> items, List<ItemDropperItem<T>>? selectedItems, required void onChanged(List<ItemDropperItem<T>>), Widget popupItemBuilder(BuildContext, ItemDropperItem<T>, bool)?, required double width, bool enabled = true, String? hintText, int? maxSelected, ItemDropperItem<T>? onAddItem(String searchText)?, void onDeleteItem(ItemDropperItem<T> item)?, GlobalKey<State<StatefulWidget>>? inputKey, double maxDropdownHeight = MultiSelectConstants.kDefaultMaxDropdownHeight, bool showScrollbar = true, double scrollbarThickness = ItemDropperConstants.kDefaultScrollbarThickness, double? itemHeight, TextStyle? popupTextStyle, TextStyle? popupGroupHeaderStyle, TextStyle? fieldTextStyle, BoxDecoration? selectedChipDecoration, BoxDecoration? fieldDecoration, double? elevation, bool showDropdownPositionIcon = true, bool showDeleteAllIcon = true, ItemDropperLocalizations? localizations})
const

Properties

elevation → double?
Popup shadow elevation.
final
enabled → bool
Whether the dropdown is enabled (defaults to true).
final
fieldDecoration → BoxDecoration?
Optional BoxDecoration for the main field/container.
final
fieldTextStyle → TextStyle?
Text style for input/search field and chips.
final
hashCode → int
The hash code for this object.
no setterinherited
hintText → String?
Hint/placeholder text for input field (if null, no hint).
final
inputKey → GlobalKey<State<StatefulWidget>>?
Optional GlobalKey for the input field container.
final
itemHeight → double?
Height for popup dropdown items.
final
items → List<ItemDropperItem<T>>
The items to display in the dropdown (required).
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
localizations → ItemDropperLocalizations?
Localization strings for user-facing text (optional). If not provided, uses default English strings.
final
maxDropdownHeight → double
Maximum dropdown popup height.
final
maxSelected → int?
Maximum number of items selectable (null means unlimited).
final
onAddItem → ItemDropperItem<T>? Function(String searchText)?
Callback for adding new items based on search text (optional).
final
onChanged → void Function(List<ItemDropperItem<T>>)
Called when the selection changes (required).
final
onDeleteItem → void Function(ItemDropperItem<T> item)?
Callback for deleting items, provides the deleted item (optional).
final
popupGroupHeaderStyle → TextStyle?
Text style for group headers in popup.
final
popupItemBuilder → Widget Function(BuildContext, ItemDropperItem<T>, bool)?
Optional custom builder for popup items.
final
popupTextStyle → TextStyle?
Text style for popup dropdown items.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
scrollbarThickness → double
Popup vertical scrollbar thickness.
final
selectedChipDecoration → BoxDecoration?
Custom BoxDecoration for selected chips.
final
selectedItems → List<ItemDropperItem<T>>?
The currently selected items (optional for controlled usage).
final
showDeleteAllIcon → bool
Whether to show the clear/X icon (defaults to true).
final
showDropdownPositionIcon → bool
Whether to show the dropdown position arrow (defaults to true).
final
showScrollbar → bool
Whether to show a vertical scrollbar in popup.
final
width → double
The width of the dropdown field (required).
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<MultiItemDropper<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
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