NxExpandableText class

A widget that displays truncated text with an option to expand it in a dialog.

This widget shows text that is truncated to a specified number of lines, with a button that opens a dialog showing the full text. The dialog is scrollable and allows text selection.

Features:

  • Customizable text truncation
  • Expandable dialog with scroll support
  • Selectable text in dialog
  • Customizable styling for text and button
  • Customizable close icon support

Example usage:

NxExpandableText(
  text: 'This is a long text that will be truncated...',
  buttonText: 'Read more',
  maxLines: 2,
  textStyle: TextStyle(fontSize: 16),
  buttonTextStyle: TextStyle(color: Colors.blue),
  backgroundColor: Colors.white,
)
Inheritance

Constructors

NxExpandableText.new({required String text, required String buttonText, Key? key, Image? icon, TextStyle? dialogTextStyle, TextStyle? textStyle, TextStyle? buttonTextStyle, Color? backgroundColor, int maxLines = 1})
Creates an expandable text widget.
const

Properties

backgroundColor → Color?
Background color of the dialog.
final
buttonText → String
The text to display on the expand button.
final
buttonTextStyle → TextStyle?
Text style for the expand button.
final
dialogTextStyle → TextStyle?
Text style for the text when shown in the dialog.
final
hashCode → int
The hash code for this object.
no setterinherited
icon → Image?
Custom close icon for the dialog.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
maxLines → int
Number of lines to show before truncating the text.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
text → String
The text to display and expand.
final
textStyle → TextStyle?
Text style for the truncated text.
final

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
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