M3EFloatingToolbarVerticalNestedScroll class
A wrapper widget that monitors scrolling and implements a simple expand/collapse threshold logic (typically used with vertical toolbars).
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- M3EFloatingToolbarVerticalNestedScroll
Constructors
- M3EFloatingToolbarVerticalNestedScroll({Key? key, required bool expanded, required VoidCallback onExpand, required VoidCallback onCollapse, double expandScrollDistanceThreshold = M3EFloatingToolbarDefaults.scrollDistanceThreshold, double collapseScrollDistanceThreshold = M3EFloatingToolbarDefaults.scrollDistanceThreshold, bool reverseLayout = false, required Widget child})
-
const
Properties
- child → Widget
-
The scrollable child.
final
- collapseScrollDistanceThreshold → double
-
Distance threshold in dp to trigger collapse.
final
- expanded → bool
-
Whether the toolbar should currently be expanded.
final
- expandScrollDistanceThreshold → double
-
Distance threshold in dp to trigger expansion.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onCollapse → VoidCallback
-
Callback fired when the scroll distance threshold is crossed scrolling down.
final
- onExpand → VoidCallback
-
Callback fired when the scroll distance threshold is crossed scrolling up.
final
- reverseLayout → bool
-
Whether the scroll view layout is reversed.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< M3EFloatingToolbarVerticalNestedScroll> -
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, 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