WidgetOpenGraph class
WidgetOpenGraph Widget Internal widget to show the OpenGraphEntity data This widget is used by OpenGraphPreview
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- WidgetOpenGraph
Constructors
- WidgetOpenGraph({Key? key, required OpenGraphEntity data, required double height, required bool isProduction, required double borderRadius, Widget? fallbackImage, bool enableBlur = true, TextStyle? titleStyle, TextStyle? descriptionStyle, TextStyle? hostStyle, int titleMaxLines = 1, int descriptionMaxLines = 2, Color overlayColor = const Color(0x80000000), BoxFit imageFit = BoxFit.fitWidth, VoidCallback? onTap, OpenGraphLayout layout = OpenGraphLayout.overlay})
-
WidgetOpenGraph is a widget to show the OpenGraphEntity data
datais the OpenGraphEntity data to show in the widgetheightis the height of the widgetisProductionis a flag to show the image or a default imageborderRadiusis the border radius of the widgetfallbackImagereplaces the default image when there is no og:imageenableBlurtoggles the blur effect behind the text overlayconst
Properties
- borderRadius → double
-
Border radius of the widget
final
- data → OpenGraphEntity
-
OpenGraphEntity data
final
- descriptionMaxLines → int
-
Maximum lines for the description (default: 2).
final
- descriptionStyle → TextStyle?
-
Style merged over the default description style (white).
final
- enableBlur → bool
-
Whether the text overlay uses a blur effect. Disable it in long lists
for better scrolling performance (BackdropFilter is expensive).
final
- fallbackImage → Widget?
-
Custom widget shown when there is no og:image (or it fails to load),
instead of the default bundled image.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → double
-
Height of the widget
final
- hostStyle → TextStyle?
-
Style merged over the default host style (white54).
final
- imageFit → BoxFit
-
How the image fits its box (default: BoxFit.fitWidth in the overlay
layout, BoxFit.cover suits the horizontal one).
final
- isProduction → bool
-
Is production mode
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- layout → OpenGraphLayout
-
Arrangement of image and texts (default: OpenGraphLayout.overlay).
final
- onTap → VoidCallback?
-
Called when the card is tapped, e.g. to open the URL.
final
- overlayColor → Color
-
Color of the panel behind the texts (default: 50% black).
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- titleMaxLines → int
-
Maximum lines for the title (default: 1).
final
- titleStyle → TextStyle?
-
Style merged over the default title style (white, bold).
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