HasOneWidget (GWT Javadoc)

All Superinterfaces:

AcceptsOneWidget

All Known Implementing Classes:

CustomScrollPanel, DecoratedPopupPanel, DecoratorPanel, DialogBox, FocusPanel, FormPanel, LazyPanel, LoggingPopup, PopupPanel, ResizeLayoutPanel, ScrollPanel, SimpleLayoutPanel, SimplePanel
```
public interface HasOneWidget
extends AcceptsOneWidget
```
Implemented by panels that have only one widget.

See Also:

SimplePanel

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Widget`	`getWidget()`	Gets the panel's child widget.
`void`	`setWidget(Widget w)`	Sets this panel's widget.

Methods inherited from interface com.google.gwt.user.client.ui.AcceptsOneWidget
setWidget

- Method Detail
  - getWidget
```
Widget getWidget()
```
    Gets the panel's child widget.
    
    Returns:
    
    the child widget, or null if none is present
  - setWidget
```
void setWidget(Widget w)
```
    Sets this panel's widget. Any existing child widget will be removed.
    
    Parameters:
    
    w - the panel's new widget, or null to clear the panel