ExpansionList<T> class
An expansion list
A widget that expands and collapses with a list of items.
Get the item selected and set it as title.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- ExpansionList
Constructors
-
ExpansionList({Key? key, List<
T> ? items, String? title, @required dynamic onItemSelected(T)?, bool smallVersion = false, MainAxisAlignment? childrenAlignment, MainAxisAlignment? titleAlignment, Icon? icon, Icon? childrenTrailingIcon, Icon? childrenLeadingIcon, double height = 40, Color? dividerColor, TextStyle? textStyle, Color? backgroundColor, Color? collapseBackgroundColor, double? spacingBtwTextAndIcon, double width = 100})
Properties
- backgroundColor → Color?
-
Background color when expands
final
- childrenAlignment → MainAxisAlignment?
-
The alignment for the items
final
- childrenLeadingIcon → Icon?
-
Items leading icon if not null
final
- childrenTrailingIcon → Icon?
-
Items trailing icon if not null
final
- collapseBackgroundColor → Color?
-
collapsing background color
final
- dividerColor → Color?
-
To set the color of the divider between title and other items
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → double
-
The collapsing expansion height
final
- icon → Icon?
-
The title icon
final
-
items
→ List<
T> ? -
The list of items for the expansion
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onItemSelected → (dynamic Function(T)?)
-
The method to get the item selected for re-use
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- smallVersion → bool
-
If set to true, a small specific size is given to the expansion by default
final
- spacingBtwTextAndIcon → double?
-
To space item from its leading and trailing icons
final
- textStyle → TextStyle?
-
To style the text of the items
final
- title → String?
-
The title of the expansion which changes on new item selected.
final
- titleAlignment → MainAxisAlignment?
-
Title alignment
final
- width → double
-
The collapsing expansion width
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → _ExpansionListState -
Creates the mutable state for this widget at a given location in the tree.
override
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of
DiagnosticsNodeobjects 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}) → 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