MarkdownWidget class abstract

A base class for widgets that parse and display Markdown.

Supports all standard Markdown from the original Markdown specification.

See also:

Inheritance
Implementers

Constructors

MarkdownWidget({Key? key, required String data, bool selectable = false, MarkdownStyleSheet? styleSheet, MarkdownStyleSheetBaseTheme? styleSheetTheme = MarkdownStyleSheetBaseTheme.material, SyntaxHighlighter? syntaxHighlighter, MarkdownOnSelectionChangedCallback? onSelectionChanged, MarkdownTapLinkCallback? onTapLink, VoidCallback? onTapText, String? imageDirectory, List<BlockSyntax>? blockSyntaxes, List<InlineSyntax>? inlineSyntaxes, ExtensionSet? extensionSet, MarkdownImageBuilder? imageBuilder, MarkdownCheckboxBuilder? checkboxBuilder, MarkdownBulletBuilder? bulletBuilder, Map<String, MarkdownElementBuilder> builders = const <String, MarkdownElementBuilder>{}, Map<String, MarkdownPaddingBuilder> paddingBuilders = const <String, MarkdownPaddingBuilder>{}, bool fitContent = false, MarkdownListItemCrossAxisAlignment listItemCrossAxisAlignment = MarkdownListItemCrossAxisAlignment.baseline, bool softLineBreak = false})
Creates a widget that parses and displays Markdown.
const

Properties

blockSyntaxes List<BlockSyntax>?
Collection of custom block syntax types to be used parsing the Markdown data.
final
builders Map<String, MarkdownElementBuilder>
Render certain tags, usually used with extensionSet
final
bulletBuilder MarkdownBulletBuilder?
Called when building a bullet
final
checkboxBuilder MarkdownCheckboxBuilder?
Call when build a checkbox widget.
final
data String
The Markdown to display.
final
extensionSet → ExtensionSet?
Markdown syntax extension set
final
fitContent bool
Whether to allow the widget to fit the child content.
final
hashCode int
The hash code for this object.
no setterinherited
imageBuilder MarkdownImageBuilder?
Call when build an image widget.
final
imageDirectory String?
The base directory holding images referenced by Img tags with local or network file paths.
final
inlineSyntaxes List<InlineSyntax>?
Collection of custom inline syntax types to be used parsing the Markdown data.
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
listItemCrossAxisAlignment MarkdownListItemCrossAxisAlignment
Controls the cross axis alignment for the bullet and list item content in lists.
final
onSelectionChanged MarkdownOnSelectionChangedCallback?
Called when the user changes selection when selectable is set to true.
final
Called when the user taps a link.
final
onTapText VoidCallback?
Default tap handler used when selectable is set to true
final
paddingBuilders Map<String, MarkdownPaddingBuilder>
Add padding for different tags (use only for block elements and img)
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
selectable bool
If true, the text is selectable.
final
softLineBreak bool
The soft line break is used to identify the spaces at the end of aline of text and the leading spaces in the immediately following the line of text.
final
styleSheet MarkdownStyleSheet?
The styles to use when displaying the Markdown.
final
styleSheetTheme MarkdownStyleSheetBaseTheme?
Setting to specify base theme for MarkdownStyleSheet
final
syntaxHighlighter SyntaxHighlighter?
The syntax highlighter used to color text in pre elements.
final

Methods

build(BuildContext context, List<Widget>? children) Widget
Subclasses should override this function to display the given children, which are the parsed representation of data.
createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() State<MarkdownWidget>
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}) 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