DropdownView<T> class
DropdownView
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- DropdownView
Constructors
-
DropdownView({Key? key, T? initValue, required List<
T> items, required MenuIndexedWidgetBuilder itemBuilder, MenuIndexedWidgetBuilder? selectedItemBuilder, VoidCallback? onTap, ValueChanged<T> ? onChanged, EdgeInsets? itemPadding, Color? itemBackgroundColor, Color? unselectItemBackgroundColor, double? itemHeight, bool isDropdown = false, bool forceWidth = false, bool? isPinnedSelected, bool isOutsideShadow = false, Color? dropdownColor, BorderRadius? borderRadius, MenuFocusWidgetBuilder? hintBuilder, Widget? disabledHint, Widget? icon, Widget? iconSelect, int elevation = 8}) -
const
Properties
- borderRadius → BorderRadius?
-
final
- disabledHint → Widget?
-
final
- dropdownColor → Color?
-
menu背景色
final
- elevation → int
-
final
- forceWidth → bool
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- hintBuilder → MenuFocusWidgetBuilder?
-
final
- icon → Widget?
-
DropdownButton.icon
final
- iconSelect → Widget?
-
final
- initValue → T?
-
final
- isDropdown → bool
-
final
- isOutsideShadow → bool
-
内容区域外，是否绘制背景层。
final
- isPinnedSelected → bool?
-
当选中了一个item后，再次显示时，是否优先固定展示此项，默认为是,Flutter SDK默认效果。
final
- itemBackgroundColor → Color?
-
item选中背景色
final
- itemBuilder → MenuIndexedWidgetBuilder
-
final
- itemHeight → double?
-
final
- itemPadding → EdgeInsets?
-
item Padding
final
-
items
→ List<
T> -
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
final
-
onChanged
→ ValueChanged<
T> ? -
final
- onTap → VoidCallback?
-
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- selectedItemBuilder → MenuIndexedWidgetBuilder?
-
final
- unselectItemBackgroundColor → Color?
-
item未选中背景色
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< StatefulWidget> -
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