ZeroDropdown<T> class

ZeroDropdown is built on top of ZeroDropdownButton and ZeroTextField to simplify the implementation of the widget This uses decoration taken from InputDecorationType.

Inheritance

Constructors

ZeroDropdown.new({Key? key, required dynamic onChanged(dynamic), required List<T> items, String? labelText, String? hintText, String? helperText, String? errorText, TextStyle? labelStyle, TextStyle? hintStyle, TextStyle? helperStyle, TextStyle? errorStyle, Widget? prefixIcon, Widget? suffixIcon, double? itemHeight, double? dropdownWidth, bool? alignedDropdown, T? value, Widget menuItemBuilder(T)?, Widget selectedMenuItemBuilder(T)?, InputDecorationType inputDecorationType = InputDecorationType.outline, ZeroTextfieldSize? textfieldSize})
factory
ZeroDropdown.icon({Key? key, required dynamic onChanged(dynamic), required List<T> items, Widget? icon, double? size, double? dropdownWidth, T? value, Widget menuItemBuilder(T)?, Widget selectedMenuItemBuilder(T)?})
Constructor to create dropdown with only icon as the button. No Input Decoration needed
factory
ZeroDropdown.multiple({Key? key, required dynamic onChanged(dynamic), required List<T> items, String? labelText, String? hintText, String? helperText, String? errorText, TextStyle? labelStyle, TextStyle? hintStyle, TextStyle? helperStyle, TextStyle? errorStyle, Widget? prefixIcon, Widget? suffixIcon, List<T> selectedItems = const [], double? itemHeight, double? dropdownWidth, bool? alignedDropdown, T? value, Widget menuItemBuilder(T)?, Widget selectedMenuItemBuilder(T)?, InputDecorationType inputDecorationType = InputDecorationType.outline, MultipleItemsVariant? multipleItemsVariant, ZeroTextfieldSize textfieldSize = ZeroTextfieldSize.small, SelectedItemsStyle selectedItemsStyle = SelectedItemsStyle.text, dynamic onMenuStateChange(bool isOpen)?})
factory

Properties

alignedDropdown → bool?
If false, the width of the dropdown will be larger than the dropdown button
final
ZeroDropdownMenuItem's width, the default value is equal to the screen's width
final
enabled → bool?
final
enableMultipleItems → bool
Default value: false If true, the dropdown menu item would become multi-selectable This, the dropdown would not be automatically closed when an item is checked/uncheck But rather user has to click outside or press back button
final
errorStyle → TextStyle?
final
errorText → String?
final
focusNode → FocusNode?
final
hashCode → int
The hash code for this object.
no setterinherited
helperStyle → TextStyle?
final
helperText → String?
final
hintText → String?
final
icon → Widget?
If set, this will override suffixIcon that is defined in InputDecoration
final
inputDecorationType → InputDecorationType?
Types that are also used on ZeroTextField to provide default styling parameters based on the selected type: ZeroTextField.outline, ZeroTextField.rounded, ZeroTextField.filled, or ZeroTextField.underline
final
itemHeight → double?
ZeroDropdownMenuItem's height, the default value is as per set on ZeroTextfieldSize.small height
final
items → List<T>
List containing only all the values, not the ZeroDropdownMenuItem
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
labelStyle → TextStyle?
final
labelText → String?
final
Builder to build default menu item widget If not set, it will default to _MenuItem
final
multipleItemsVariant → MultipleItemsVariant?
Variant on whether the Dropdown menu item contains only text or text with a checkbox values: MultipleItemsVariant.plain and MultipleItemsVariant.checkboxes
final
onChanged → dynamic Function(T?)?
final
onMenuStateChange → dynamic Function(bool isOpen)?
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
selectedItems → List<T>
List containing only the selected values, not the ZeroDropdownMenuItem
final
selectedItemsStyle → SelectedItemsStyle
Default value: SelectedItemsStyle.text Only used when parameter enableMultiItems of ZeroDropdown is true.
final
selectedMenuItemBuilder → Widget Function(T)?
Builder to build selected menu item widget If not set, it will default to _MenuItem
final
textfieldSize → ZeroTextfieldSize
Default value: ZeroTextfieldSize.small
final
value → T?
The value of the last selected item. If enableMultipleItems is true, then the value would be the last selectedItems element
final
variant → DropdownVariant?
Indicates whether it is a form ZeroDropdownButton or an icon one.
final

Methods

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