Link<T> class Links

The link shape generates a smooth cubic Bézier curve from a source point to a target point.

The tangents of the curve at the start and end are either vertical (see Link.vertical) or horizontal (see Link.horizontal). See also radial links.

Constructors

Link(CurveFactory curve, T source(Link<T>, [List<Object?>?]), T target(Link<T>, [List<Object?>?]), num x(T, [List<Object?>?]), num y(T, [List<Object?>?]))

Constructs a new link generator using the specified curve and the given source, target, x and y accessors.

Link.horizontal(T source(Link<T>, [List<Object?>?]), T target(Link<T>, [List<Object?>?]), num x(T, [List<Object?>?]), num y(T, [List<Object?>?]))

Shorthand for Link.new with curveBumpX; suitable for visualizing links in a tree diagram rooted on the top edge of the display.

Link.vertical(T source(Link<T>, [List<Object?>?]), T target(Link<T>, [List<Object?>?]), num x(T, [List<Object?>?]), num y(T, [List<Object?>?]))

Shorthand for Link.new with curveBumpY; suitable for visualizing links in a tree diagram rooted on the top edge of the display.

Properties

context ↔ Path?

Optional context for rendering the generated link (see Link.call) as a sequence of path method calls.

getter/setter pair, inherited-setter

digits ↔ num?

The maximum number of digits after the decimal separator.

getter/setter pair, inherited-setter

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

source ↔ T Function(Link<T>, [List<Object?>?])

The source accessor.

getter/setter pair, inherited

target ↔ T Function(Link<T>, [List<Object?>?])

The target accessor.

getter/setter pair, inherited

x ↔ num Function(T, [List<Object?>?])

The x-accessor.

getter/setter pair

y ↔ num Function(T, [List<Object?>?])

The y-accessor.

getter/setter pair

Methods

call([List<Object?>? args]) → String?

Generates a link for the given args.

constX(num x) → void

Defines the Link.x-accessor as a constant function that always returns the specified value.

constY(num y) → void

Defines the Link.y-accessor as a constant function that always returns the specified value.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

horizontalWithDefaults({List<num> source(Link<List<num>>, [List<Object?>?]) = linkSource, List<num> target(Link<List<num>>, [List<Object?>?]) = linkTarget, num x(List<num>, [List<Object?>?]) = pointX, num y(List<num>, [List<Object?>?]) = pointY}) → Link<List<num>>

Equivalent to Link.horizontal, except that if source, target, x, y are not specified, the respective defaults will be used.

verticalWithDefaults({List<num> source(Link<List<num>>, [List<Object?>?]) = linkSource, List<num> target(Link<List<num>>, [List<Object?>?]) = linkTarget, num x(List<num>, [List<Object?>?]) = pointX, num y(List<num>, [List<Object?>?]) = pointY}) → Link<List<num>>

Equivalent to Link.vertical, except that if source, target, x, y are not specified, the respective defaults will be used.

withDefaults({required CurveFactory curve, List<num> source(Link<List<num>>, [List<Object?>?]) = linkSource, List<num> target(Link<List<num>>, [List<Object?>?]) = linkTarget, num x(List<num>, [List<Object?>?]) = pointX, num y(List<num>, [List<Object?>?]) = pointY}) → Link<List<num>>

Equivalent to Link.new, except that if source, target, x, y are not specified, the respective defaults will be used.