PlusMinusIndicator class
Uses a plus or minus to indicate the expansion state. Plus shows the collapsed state Minus shows the expanded state
** See also: ChevronIndicator for an expansion indicator using chevron
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- ExpansionIndicator
- PlusMinusIndicator
Constructors
- PlusMinusIndicator({required ITreeNode tree, Key? key, Alignment alignment = Alignment.topRight, EdgeInsets padding = EdgeInsets.zero, Curve curve = Curves.ease, Color? color})
Properties
- alignment → Alignment
-
By default the alignment is Alignment.topRight
finalinherited
- color → Color?
-
The color for the expansion indicator.
finalinherited
- curve → Curve
-
The animation curve for the expansion indicator animation
finalinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- padding → EdgeInsets
-
The padding around the
expandIconandcollapseIconfinalinherited - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- tree → ITreeNode
-
Value to set the expansion state of the indicator
finalinherited
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}) → 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