Package com.google.gwt.user.client.ui
Interface IndexedPanel
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- All Known Subinterfaces:
IndexedPanel.ForIsWidget
,InsertPanel
,InsertPanel.ForIsWidget
- All Known Implementing Classes:
AbsolutePanel
,CellPanel
,ComplexPanel
,DeckLayoutPanel
,DeckPanel
,DecoratedStackPanel
,DecoratedTabPanel
,DockLayoutPanel
,DockPanel
,FlowPanel
,HorizontalPanel
,HTMLPanel
,LayoutPanel
,RenderablePanel
,RootLayoutPanel
,RootPanel
,SplitLayoutPanel
,StackLayoutPanel
,StackPanel
,TabLayoutPanel
,TabPanel
,VerticalPanel
public interface IndexedPanel
Implemented by panels that impose an explicit ordering on their children.- See Also:
InsertPanel
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Nested Class Summary
Nested Classes Modifier and Type Interface Description static interface
IndexedPanel.ForIsWidget
Extends this interface with convenience methods to handleIsWidget
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description Widget
getWidget(int index)
Gets the child widget at the specified index.int
getWidgetCount()
Gets the number of child widgets in this panel.int
getWidgetIndex(Widget child)
Gets the index of the specified child widget.boolean
remove(int index)
Removes the widget at the specified index.
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Method Detail
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getWidget
Widget getWidget(int index)
Gets the child widget at the specified index.- Parameters:
index
- the child widget's index- Returns:
- the child widget
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getWidgetCount
int getWidgetCount()
Gets the number of child widgets in this panel.- Returns:
- the number of children
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getWidgetIndex
int getWidgetIndex(Widget child)
Gets the index of the specified child widget.- Parameters:
child
- the widget to be found- Returns:
- the widget's index, or
-1
if it is not a child of this panel
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remove
boolean remove(int index)
Removes the widget at the specified index.- Parameters:
index
- the index of the widget to be removed- Returns:
false
if the widget is not present
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