Schema class

A widget that displays a schema with blocks A widget that displays a schema with blocks.

This widget is responsible for rendering the blocks passed to it. It also allows the client to set the axes scales, the size of the schema, and various other parameters.

Inheritance

Constructors

Schema({Key? key, SchemaConfiguration config = const SchemaConfiguration(), required List<Block<Object>> blocks, BlockLayoutCallback? onBlocksLayout, GridCallback? onGridUpdate, BlockAreaVoidCallback? onBlockAreaTap})
Creates a Schema.
const

Properties

blocks List<Block<Object>>
The list of blocks to display in the schema.
final
config SchemaConfiguration
Configuration for the schema.
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onBlockAreaTap BlockAreaVoidCallback?
Callback for when a block is tapped.
final
onBlocksLayout BlockLayoutCallback?
Callback for when the blocks are laid out.
final
onGridUpdate GridCallback?
Callback for when the grid is updated.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

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