TDTextarea class

用于多行文本信息输入

Inheritance

Constructors

TDTextarea({Key? key, double? width, TextStyle? textStyle, Color? backgroundColor, Decoration? decoration, TextStyle? labelStyle, bool? required, bool? readOnly = false, bool? autofocus = false, VoidCallback? onEditingComplete, ValueChanged<String>? onSubmitted, String? hintText, TextInputType? inputType, ValueChanged<String>? onChanged, List<TextInputFormatter>? inputFormatters, InputDecoration? inputDecoration, int? maxLines, int? minLines = 4, FocusNode? focusNode, TextEditingController? controller, Color? cursorColor, TextStyle? hintTextStyle, Widget? labelWidget, Color? textInputBackgroundColor, TDInputSize? size = TDInputSize.large, int? maxLength, MaxLengthEnforcement? maxLengthEnforcement, bool? allowInputOverMax = false, String? additionInfo = '', Color? additionInfoColor, TextAlign? textAlign, String? label, bool? indicator = false, TDTextareaLayout? layout = TDTextareaLayout.horizontal, bool? autosize, Widget? labelIcon, double? labelWidth, EdgeInsetsGeometry? margin, EdgeInsetsGeometry? padding, Decoration? textareaDecoration, bool? bordered, bool? showBottomDivider = true})
const

Properties

additionInfo String?
错误提示信息
final
additionInfoColor Color?
错误提示颜色
final
allowInputOverMax bool?
超出maxLength之后是否还允许输入
final
autofocus bool?
是否自动获取焦点
final
autosize bool?
是否自动增高,值为 true 时,maxLines不生效
final
backgroundColor Color?
输入框背景色
final
bordered bool?
是否显示外边框
final
controller TextEditingController?
controller 用户获取或者赋值输入内容
final
cursorColor Color?
游标颜色
final
decoration Decoration?
输入框样式(包括标签)
final
focusNode FocusNode?
获取或者取消焦点使用
final
hashCode int
The hash code for this object.
no setterinherited
hintText String?
提示文案
final
hintTextStyle TextStyle?
提示文本颜色,默认为文本颜色
final
indicator bool?
否显示文本计数器,如 0/140(必须设置maxLength)
final
inputDecoration InputDecoration?
自定义输入框TextField组件样式
final
inputFormatters List<TextInputFormatter>?
显示输入内容,如限制长度(LengthLimitingTextInputFormatter(6))
final
inputType TextInputType?
键盘类型,数字、字母
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
label String?
输入框标题
final
labelIcon Widget?
输入框标题图标
final
labelStyle TextStyle?
左侧标签文本样式
final
labelWidget Widget?
label组件,支持自定义
final
labelWidth double?
输入框标题宽度
final
layout TDTextareaLayout?
标题输入框布局方式。可选项:vertical/horizontal
final
margin EdgeInsetsGeometry?
外边距
final
maxLength int?
最大字数限制
final
maxLengthEnforcement MaxLengthEnforcement?
如何执行输入长度限制
final
maxLines int?
最大输入行数
final
minLines int?
最小输入行数
final
onChanged ValueChanged<String>?
输入文本变化时回调
final
onEditingComplete VoidCallback?
点击键盘完成按钮时触发的回调
final
onSubmitted ValueChanged<String>?
点击键盘完成按钮时触发的回调, 参数值为输入的内容
final
padding EdgeInsetsGeometry?
内边距
final
readOnly bool?
是否只读
final
required bool?
是否必填标志(红色*)
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
showBottomDivider bool?
边框外部下划线
final
size TDInputSize?
输入框规格
final
textAlign TextAlign?
文字对齐方向
final
textareaDecoration Decoration?
输入框样式(不包括标签)
final
textInputBackgroundColor Color?
文本框背景色
final
textStyle TextStyle?
文本颜色
final
width double?
输入框宽度
final

Methods

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