NavigationPane class

The pane used by NavigationView.

The NavigationView doesn't perform any navigation tasks automatically. When the user taps on a navigation item, onChanged, if non-null, is called.

See also:

Mixed-in types
Annotations

Constructors

Creates a navigation pane.

Properties

acrylicDisabled → bool?
Whether the acrylic effect is disabled for the pane.
final
allItems → List<NavigationPaneItem>
A list of all of the items displayed on this pane.
no setter
autoSuggestBox → Widget?
An optional control to allow for app-level search. Usually an AutoSuggestBox
final
autoSuggestBoxReplacement → Widget?
Used when the current display mode is PaneDisplayMode.compact as a replacement to autoSuggestBox. It's only displayed if autoSuggestBox is non-null.
final
buildTopOverflowButton → Widget Function(VoidCallback openFlyout)
Builds the top overflow button.
final
customPane → NavigationPaneWidget?
Creates a Custom pane that will be used
final
displayMode → PaneDisplayMode
Use this property to customize how the pane will be displayed. PaneDisplayMode.auto is used by default.
final
effectiveItems → List<PaneItem>
All the PaneItems inside allItems
no setter
footerItems → List<NavigationPaneItem>
The footer items used by this panel. These items are displayed at the end of the panel and they can't be overflown.
final
hashCode → int
The hash code for this object.
no setteroverride
The header of the pane.
final
indicator → Widget?
The navigation indicator.
final
items → List<NavigationPaneItem>
The items used by this panel. These items are displayed before autoSuggestBox and footerItems.
final
key → Key?
final
leading → Widget?
The leading Widget for the Pane.
final
onChanged → ValueChanged<int>?
Called when the current index changes.
final
onItemPressed → ValueChanged<int>?
Called when an item is pressed.
final
paneKey → GlobalKey<State<StatefulWidget>>
The key for the pane view
latefinal
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
scrollBehavior → ScrollBehavior?
The scroll behavior used by the pane when displayMode is PaneDisplayMode.compact and PaneDisplayMode.expanded.
final
scrollController → ScrollController?
The scroll controller used by the pane when displayMode is PaneDisplayMode.compact and PaneDisplayMode.expanded.
final
selected → int?
The current selected index.
final
selectedItem → PaneItem
Get the current selected item
no setter
size → NavigationPaneSize?
The size of the pane in its various mode.
final
toggleable → bool
Whether the pane can be toggled or not.
final
toggleButton → Widget?
The menu button used by this pane.
final
toggleButtonPosition → PaneToggleButtonPreferredPosition
The position of the toggle button.
final

Methods

canChangeTo(NavigationPaneItem item) → bool
changeTo(NavigationPaneItem item) → void
Changes the selected item to item.
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
override
effectiveIndexOf(NavigationPaneItem item) → int
Get the effective index of the navigation pane.
indexOf(NavigationPaneItem item) → int
isSelected(NavigationPaneItem item) → bool
Check if the provided item is selected on not.
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
toStringShort() → String
A brief description of this object, usually just the runtimeType and the hashCode.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
override

Static Methods

defaultBuildTopOverflowButton(VoidCallback openFlyout) → Widget