DropdownList class

DropdownList( items: ListItem(value: "1", text: '选项1'), ListItem(text: "选项2", value: "2"), , width: 200, title: "标题", submitText: "确定", isPreSelect: true, isMultiSelect: true, hintText: "请选择 ", leastSelectHintText: "至少选择一项", buttonBackgroundColors: const Color(0xff1afa29), Color(0xff1afa29), buttonIconColor: Colors.white, selectCall: (List

Inheritance

Constructors

const

Properties

alignment → AlignmentGeometry
文本对齐方式
final
backgroundColor → Color
组件背景颜色
final
borderColor → Color
边框颜色
final
borderRadius → BorderRadius
边框圆角
final
borderWidth → double
边框宽度
final
buildCall → dynamic Function(DropdownListController controller)?
构建完成后回传控制器
final
buttonArrowDownIcon → IconData?
final
buttonArrowUpIcon → IconData?
button向上剪头icon
final
buttonBackgroundColors → List<Color>
按钮背景颜色
final
buttonDisableBackgroundColors → List<Color>
按钮禁用状态背景颜色
final
buttonIconColor → Color
按钮图标颜色
final
defaultValue → String
默认值
final
dialogBackgroundColor → Color
弹窗面板背景
final
dialogBorderRadius → BorderRadius
弹窗面板圆角
final
enable → bool
是否启用
final
fontWeight → FontWeight?
文本加粗方式
final
hashCode → int
The hash code for this object.
no setterinherited
height → double
组件高度
final
hintText → String
提示文本
final
isMultiSelect → bool
仅在isPreSelect=true时有效 true-多选;false-单选;
final
isPreSelect → bool
true-选择后需要由确认完成;false-选择直接完成;
final
itemHeight → double
列表项高度
final
items → List<ListItem>
菜单项
final
itemTextColor → Color?
列表文本颜色
final
itemTextSize → double?
列表文本大小
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
leastSelectHintText → String
至少选择提示文本
final
listSplitLineColor → Color?
列表分割线颜色
final
multiSelectIcon → Widget?
多选选中图标
final
multiUnSelectIcon → Widget?
多选未选中图标
final
padding → EdgeInsetsGeometry
显示文本内边距
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
selectCall → dynamic Function(List<ListItem> selectItems)
选择回调 selectItems 选择项
final
singleSelectIcon → Widget?
单选选中图标
final
singleUnSelectIcon → Widget?
单选未选中图标
final
submit → Widget?
提交按钮
final
submitBackgroundColor → Color?
提交按钮背景颜色
final
submitBorderRadius → BorderRadiusGeometry
提交按钮边框圆角
final
submitText → String?
提交按钮文本与submit互斥
final
submitTextColor → Color?
提交按钮文本颜色
final
submitTextSize → double?
提交按钮文本大小
final
title → String?
选择组件显示标题
final
titleColor → Color?
标题颜色
final
titleSize → double?
标题大小
final
width → double?
组件宽度
final

Methods

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