SliverStickyCollapsablePanel class
A sliver that displays a header before its sliver and can allow click to collapse. The header scrolls off the viewport only when the sliver does.
Place this widget inside a CustomScrollView or similar.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- SliverStickyCollapsablePanel
Constructors
- SliverStickyCollapsablePanel.new({Key? key, required ScrollController scrollController, required StickyCollapsablePanelController controller, required HeaderBuilder headerBuilder, Widget? sliverPanel, bool sticky = true, bool overlapsContent = false, bool defaultExpanded = true, ExpandCallback? expandCallback, bool disableCollapsable = false, bool iOSStyleSticky = false, EdgeInsetsGeometry paddingBeforeCollapse = const EdgeInsets.only(), EdgeInsetsGeometry paddingAfterCollapse = const EdgeInsets.only(), Size? headerSize})
-
const
Properties
- defaultExpanded → bool
-
final
- disableCollapsable → bool
-
final
- expandCallback → ExpandCallback?
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- headerBuilder → HeaderBuilder
-
The header to display before the sliver panel content.
final
- headerSize → Size?
-
Size of Header, this is used for optimize layout speed
final
- iOSStyleSticky → bool
-
Like the iOS contact, header replace another header when it reaches the edge
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- overlapsContent → bool
-
Whether the header should be drawn on top of the sliver
instead of before.
final
- paddingAfterCollapse → EdgeInsetsGeometry
-
Padding used for sliver child after collapse, it means even it's collapsed, Padding still exist between headers
final
- paddingBeforeCollapse → EdgeInsetsGeometry
-
Padding used for sliver child before collapse
final
- panelController → StickyCollapsablePanelController
-
The controller used to interact with this sliver.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- scrollController → ScrollController
-
final
- sliverPanel → Widget?
-
The sliver to display after the header as panel content.
final
- sticky → bool
-
Whether to stick the header.
Defaults to true.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< StatefulWidget> -
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