PopupMenuWidget<T> class
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Create a customized PopupMenuButton.
dartdoc:
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- PopupMenuWidget
- Mixed-in types
- Implementers
- Available extensions
Constructors
-
PopupMenuWidget({Key? key, PopupMenuControllerMixin<
T> ? controller, List<T> ? items, PopupMenuItemBuilder<T> ? itemBuilder, T? initialValue, VoidCallback? inOpened, PopupMenuItemSelected<T> ? inSelected, PopupMenuCanceled? inCanceled, String? tooltip, double? elevation, EdgeInsetsGeometry? padding, Widget? child, double? splashRadius, Widget? icon, double? iconSize, Offset? offset, bool? enabled, ShapeBorder? shape, Color? color, bool? enableFeedback, BoxConstraints? constraints, PopupMenuPosition? position, Clip? clipBehavior, String? inTooltip()?, double? inElevation()?, EdgeInsetsGeometry? inPadding()?, double? inSplashRadius()?, Widget? inChild()?, Widget? inIcon()?, double? inIconSize()?, Offset? inOffset()?, bool? inEnabled()?, ShapeBorder? inShape()?, Color? inColor()?, bool? inEnableFeedback()?, BoxConstraints? inConstraints()?, PopupMenuPosition? inPosition()?, Clip? inClipBehavior()?}) - A controller takes precedence over the supplied properties and functions
Properties
- child → Widget?
-
If provided, child is the widget used for this button
final
- clipBehavior → Clip?
-
The clip shape of the menu.
final
- color → Color?
-
If provided, the background color used for the menu.
final
- constraints → BoxConstraints?
-
Optional size constraints for the menu.
final
- context → BuildContext?
-
BuildContext property
no setter
- elevation → double?
-
The z-coordinate at which to place the menu when open. This controls the
size of the shadow below the menu.
final
- enabled → bool?
-
Whether this popup menu button is interactive.
final
- enableFeedback → bool?
-
Whether detected gestures should provide acoustic and/or haptic feedback.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- icon → Widget?
-
If provided, the icon is used for this button
final
- iconSize → double?
-
If provided, the size of the Icon.
final
- inCanceled → PopupMenuCanceled?
-
Called when the user dismisses the popup menu without selecting an item.
final
- inChild → Widget? Function()?
-
'in Parameters' function
final
- inClipBehavior → Clip? Function()?
-
'in Parameters' function
final
- inColor → Color? Function()?
-
'in Parameters' function
final
- inConstraints → BoxConstraints? Function()?
-
'in Parameters' function
final
- inElevation → double? Function()?
-
'in Parameters' function
final
- inEnabled → bool? Function()?
-
'in Parameters' function
final
- inEnableFeedback → bool? Function()?
-
'in Parameters' function
final
- inIcon → Widget? Function()?
-
'in Parameters' function
final
- inIconSize → double? Function()?
-
'in Parameters' function
final
- initialValue → T?
-
The value of the menu item, if any, that should be highlighted when the menu opens.
final
- inOffset → Offset? Function()?
-
'in Parameters' function
final
- inOpened → VoidCallback?
-
Called when the popup menu is shown.
final
- inPadding → EdgeInsetsGeometry? Function()?
-
'in Parameters' function
final
- inPosition → PopupMenuPosition? Function()?
-
'in Parameters' function
final
-
inSelected
→ PopupMenuItemSelected<
T> ? -
Called when a menu item is selected.
final
- inShape → ShapeBorder? Function()?
-
'in Parameters' function
final
- inSplashRadius → double? Function()?
-
'in Parameters' function
final
- inTooltip → String? Function()?
-
'in Parameters' function
final
-
itemBuilder
→ PopupMenuItemBuilder<
T> ? -
The item builder if no List is available.
final
-
items
→ List<
T> ? -
Optional list of menu items to appear in the popup menu.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
Optional list of PopupMenuEntries to appear in the popup menu.
final
- offset → Offset?
-
The offset applied to the Popup Menu Button.
When not set, the Popup Menu Button will be positioned directly next to
the button that was used to create it.
final
- padding → EdgeInsetsGeometry?
-
Matches IconButton's 8 dps padding by default. In some cases, notably where
this button appears as the trailing element of a list item, it's useful to be able
to set the padding to zero.
final
- position → PopupMenuPosition?
-
Whether the popup menu is positioned over or under the popup menu button.
Either PopupMenuPosition.over or PopupMenuPosition.under
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- shape → ShapeBorder?
-
If provided, the shape used for the menu.
final
- splashRadius → double?
-
The splash radius.If null, default splash radius of InkWell or IconButton is used.
final
- tooltip → String?
-
Text that describes the action that will occur when the button is pressed.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< StatefulWidget> -
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
-
onCanceled(
) → void -
Called when the user dismisses the popup menu without selecting an item.
override
-
onChild(
) → Widget? -
The widget used for this button
override
-
onClipBehavior(
) → Clip? -
The clip shape of the menu.
override
-
onColor(
) → Color? -
The background color used for the menu
override
-
onConstraints(
) → BoxConstraints? -
Make the menu wider than the default maximum width
override
-
onElevation(
) → double? -
This controls the size of the shadow below the menu.
override
-
onEnabled(
) → bool? -
Whether this popup menu button is interactive
override
-
onEnableFeedback(
) → bool? -
Whether detected gestures should provide acoustic and/or haptic feedback
override
-
onIcon(
) → Widget? -
The icon is used for this button
override
-
onIconSize(
) → double? -
the size of the Icon.
override
-
onInitialValue(
) → T? -
The value of the menu item, if any, that should be highlighted when the menu opens.
override
-
onItemBuilder(
) → PopupMenuItemBuilder< T> ? -
Explicitly pass a BuildContext: List<PopupMenuEntry
override
-
onItems(
) → List< T> ? -
List of menu items of type T to appear in the popup menu.
override
-
onMenuEntries(
) → List< PopupMenuEntry< ?T> > -
List of menuentry items to appear in the popup menu.
override
-
onOffset(
) → Offset? -
The offset is applied relative to the initial position
override
-
onOpened(
) → void -
Called when the popup menu is shown.
inherited
-
onPadding(
) → EdgeInsetsGeometry? -
In some cases, it's useful to be able to set the padding to zero.
override
-
onPosition(
) → PopupMenuPosition? -
Whether the menu is positioned over or under the popup menu button
PopupMenuPosition.over or PopupMenuPosition.under
override
-
onSelected(
T value) → void -
Called when the user selects a value from the popup menu created by this button.
override
-
onShape(
) → ShapeBorder? -
The shape used for the menu
override
-
onSplashRadius(
) → double? -
The splash radius. If null, default splash radius of InkWell or IconButton is used.
override
-
onTooltip(
) → String? -
Text that describes the action that will occur when the button is pressed.
override
-
setMenu(
) → void -
Refresh the popup menu
override
-
showButtonMenu(
) → void -
Show the popup menu
override
-
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