WidgetCaptionRenderer (cockpitng 20.05.0-RC3 API)

All Known Implementing Classes:

AdvancedSearchController
```
public interface WidgetCaptionRenderer
```
This interface should be implemented by Controllers of widgets that want to use Caption area of a container they are nested in. In case when the widget managed by the controller is not located in a collapsible container or the container does not support custom captions this interface may be ignored i.e. the implementation must not rely on any of the interface's methods being called.

See Also:

DefaultWidgetCaptionWrapper, WidgetSlotUtils, WidgetVisibilityStateAware

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  org.zkoss.zk.ui.Component renderCaption(WidgetCaptionWrapper captionWrapper)

- Method Detail
  - renderCaption
```
org.zkoss.zk.ui.Component renderCaption(WidgetCaptionWrapper captionWrapper)
```
    Parameters:
    
    captionWrapper - The captionWrapper should be used to communicate with the parent container
    
    Returns:
    
    The content of the caption to be displayed.