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:
- NavigationView, used alongside this to navigate through pages
- PaneDisplayMode, that defines how this pane is rendered
- NavigationBody, the widget that implement transitions to the pages
- Mixed in types
Constructors
- Creates a navigation pane.
Properties
-
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
- displayMode → PaneDisplayMode
-
Use this property to customize how the pane will be displayed.
PaneDisplayMode.auto is used by default.
final
-
effectiveItems
→ List<
NavigationPaneItem> -
no setter
-
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 setterinherited
- header → Widget?
-
The header of the pane.
final
- indicatorBuilder → NavigationIndicatorBuilder
-
A function called when building 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
-
The menu button used by this pane. If null and
onDisplayModeRequested
is nullfinal -
onChanged
→ ValueChanged<
int> ? -
Called when the current index changes.
final
-
paneKey
→ GlobalKey<
State< StatefulWidget> > -
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- scrollController → ScrollController?
-
The scroll controller used by the pane when displayMode
is PaneDisplayMode.compact and PaneDisplayMode.open.
final
- selected → int?
-
The current selected index.
final
Methods
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
override
-
effectiveIndexOf(
NavigationPaneItem item) → int - Get the effective index of the navigation pane.
-
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.
inherited
Static Methods
-
buildMenuButton(
BuildContext context, Widget itemTitle, NavigationPane pane, {EdgeInsetsGeometry padding = EdgeInsets.zero, required VoidCallback onPressed}) → Widget