DropDownCascadeList class
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- DropDownViewStatefulWidget
- DropDownCascadeList
Constructors
-
DropDownCascadeList.new({Key? key, required DropDownController controller, required List<
DropDownItem< items, DropDownCascadeListDataController? dataController, int? headerIndex, DropDownBoxStyle boxStyle = const DropDownBoxStyle(), DropDownItemStyle firstFloorItemStyle = const DropDownItemStyle(backgroundColor: Color(0xFFF5F5F5), activeBackgroundColor: Color(0xFFFEFEFE), padding: EdgeInsets.symmetric(horizontal: 16)), IndexedWidgetBuilder? firstFloorItemBuilder, OnDropDownItemTap? onFirstFloorItemTap, DropDownItemStyle secondFloorItemStyle = const DropDownItemStyle(backgroundColor: Colors.white, activeBackgroundColor: Color(0xFFF5F5F5), activeTextStyle: TextStyle(fontSize: 14, color: Colors.blue), activeIconColor: Colors.blue, padding: EdgeInsets.symmetric(horizontal: 20), alignment: Alignment.centerLeft), IndexedWidgetBuilder? secondFloorItemBuilder, OnDropDownItemTap? onSecondFloorItemTap, OnDropDownBlockItemChanged? onSecondFloorItemChanged, int? maxMultiChoiceSize, OnDropDownItemLimitExceeded? onDropDownItemLimitExceeded, Widget? btnWidget, Widget? resetWidget, Widget? confirmWidget, DropDownButtonStyle buttonStyle = const DropDownButtonStyle(), OnDropDownItemsReset? onDropDownItemsReset, OnDropDownItemsConfirm? onDropDownItemsConfirm, OnDropDownHeaderUpdate? onDropDownHeaderUpdate})List< >DropDownItem> > -
const
Properties
- actualHeight → double
-
The height of the DropDownMenu content view
no setteroverride
- actualWidth → double?
-
The width of the DropDownMenu content view
no setteroverride
- boxStyle → DropDownBoxStyle
-
Style of the drop-down menu list
final
- btnWidget → Widget?
-
Button component of the drop-down menu content body in the multi-select state
final
-
The style of button component of the drop-down menu content body in the multi-select state
final
- confirmWidget → Widget?
-
The confirmation button component of the drop-down menu content body in the multi-select state
final
- controller → DropDownController
-
Controller of the drop-down menu
final
- dataController → DropDownCascadeListDataController?
-
Data controller of the drop-down menu content body
final
- firstFloorItemBuilder → IndexedWidgetBuilder?
-
Builder for the first-level sub-items of the drop-down menu content body, used to customize Item
final
- firstFloorItemStyle → DropDownItemStyle
-
Style of the first-level sub-items of the drop-down menu content body
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- headerIndex → int?
-
Index of the drop-down menu header component
final
-
items
→ List<
DropDownItem< List< >DropDownItem> > -
The data of the drop-down menu content body
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- maxMultiChoiceSize → int?
-
The maximum number of multiple choices for the second-level sub-items of the drop-down menu content body
final
- onDropDownHeaderUpdate → OnDropDownHeaderUpdate?
-
Callback event triggered after the drop-down menu selection is confirmed, used to update the status of the header component by the return value of the callback
headerIndex should not be null when using this callback
final
- onDropDownItemLimitExceeded → OnDropDownItemLimitExceeded?
-
Callback event triggered when the number of multiple selections for the second-level sub-items of the drop-down menu content body exceeds the maximum value
final
- onDropDownItemsConfirm → OnDropDownItemsConfirm?
-
Click event of the confirmation button component of the drop-down menu content body in the multi-select state
final
- onDropDownItemsReset → OnDropDownItemsReset?
-
The click event of the reset button component of the drop-down menu content body in the multi-select state
final
- onFirstFloorItemTap → OnDropDownItemTap?
-
Click event for the first-level sub-item of the drop-down menu content body
final
- onSecondFloorItemChanged → OnDropDownBlockItemChanged?
-
Selected state change event of the second-level sub-item of the drop-down menu content body
final
- onSecondFloorItemTap → OnDropDownItemTap?
-
Click event for the second-level sub-item of the drop-down menu content body
final
- resetWidget → Widget?
-
The reset button component of the drop-down menu content body in the multi-select state
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- secondFloorItemBuilder → IndexedWidgetBuilder?
-
Builder for the second-level sub-items of the drop-down menu content body, used to customize Item
final
- secondFloorItemStyle → DropDownItemStyle
-
Style of the second-level sub-items of the drop-down menu content body
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< DropDownCascadeList> -
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