TxExpandableText class

在文本超出指定行数之后，会显示 展开/收起 按钮的文本展示组件

用例1: 常规使用 TxExpandableText( '一大段文字...', collapsedLines: 2, textStyle: TextStyle(color: Colors.blue), )

用例2：特性化使用-比如 一段文字结尾显示的是 编辑，而点击编辑按钮之后要做一些事, 且显示样式不变 TxExpandableText( '一大段文字...', collapsedLines: 2, // 这两个长度也要设置一致 textStyle: TextStyle(color: Colors.blue), collapseButtonLabel: '编辑', expandable: false, // 设置为不可展开 onToggle: onToggle, // 执行按钮操作事件 )

Inheritance

Constructors

TxExpandableText(String data, {Key? key, int? collapsedLines, int? maxLines, TextStyle? style, String? collapseButtonLabel, String? expandButtonLabel, Widget? collapseIcon, Widget? expandIcon, Color? toggleButtonForegroundColor, TextStyle? toggleButtonTextStyle, bool? expanded, bool expandable = true, StrutStyle? strutStyle, TextAlign? textAlign, TextDirection? textDirection, Locale? locale, bool? softWrap, TextScaler? textScaler, String? semanticsLabel, TextWidthBasis? textWidthBasis, TextHeightBehavior? textHeightBehavior, Color? selectionColor, ValueChanged<bool>? onToggle, TxTextOverflow? overflow})
创建可展开文本小部件。
const

Properties

collapseButtonLabel → String?
折叠按钮文字
final
collapsedLines → int?
文本折叠后的行数
final
collapseIcon → Widget?
折叠按钮
final
data → String
要显示的文本。
final
expandable → bool
是否可展开
final
expandButtonLabel → String?
展开按钮文字
final
expanded → bool?
是否展开
final
expandIcon → Widget?
展开按钮
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
locale → Locale?
参考 Text.locale
final
maxLines → int?
文本展开后的最大显示行数
final
onToggle → ValueChanged<bool>?
展开/折叠切换回调
final
overflow → TxTextOverflow?
文字溢出时处理方式
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
selectionColor → Color?
参考 Text.selectionColor
final
semanticsLabel → String?
参考 Text.semanticsLabel
final
softWrap → bool?
参考 Text.softWrap
final
strutStyle → StrutStyle?
参考 Text.strutStyle
final
style → TextStyle?
如果非空，则此文本使用的样式。
final
textAlign → TextAlign?
参考 Text.textAlign
final
textDirection → TextDirection?
参考 Text.textDirection
final
textHeightBehavior → TextHeightBehavior?
参考 Text.textHeightBehavior
final
textScaler → TextScaler?
参考 Text.textScaler 获得的 MediaQueryData.textScaler，如果范围内没有 MediaQuery，则为 1.0。
final
textWidthBasis → TextWidthBasis?
参考 Text.textWidthBasis
final
toggleButtonForegroundColor → Color?
展开/折叠按钮的文字颜色
final
toggleButtonTextStyle → TextStyle?
展开/折叠按钮的文字样式
final

Methods

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