CmsFocusedScrollingHandler (OpenCms GWT Components API, version 17.0)

java.lang.Object
- org.opencms.gwt.client.util.CmsFocusedScrollingHandler

All Implemented Interfaces:

com.google.gwt.event.shared.EventHandler, com.google.gwt.user.client.Event.NativePreviewHandler
```
public final class CmsFocusedScrollingHandler
extends java.lang.Object
implements com.google.gwt.user.client.Event.NativePreviewHandler
```
Native preview handler that focuses the on scroll wheel mouse event on the given scroll panel.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static CmsFocusedScrollingHandler`	`installFocusedScrollingHandler(com.google.gwt.user.client.ui.ScrollPanel scrollPanel)`	Installs a focused scrolling handler on the given widget.
`boolean`	`isRegistered()`	Returns if the handler is currently registered.
`void`	`onPreviewNativeEvent(com.google.gwt.user.client.Event.NativePreviewEvent event)`
`void`	`register()`	Registers the handler.
`void`	`removeHandler()`	Removes the handler and deactivates it.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - installFocusedScrollingHandler
```
public static CmsFocusedScrollingHandler installFocusedScrollingHandler(com.google.gwt.user.client.ui.ScrollPanel scrollPanel)
```
    Installs a focused scrolling handler on the given widget.
    
    Parameters:
    
    scrollPanel - the scroll panel
    
    Returns:
    
    the focused scrolling handler
  - onPreviewNativeEvent
```
public void onPreviewNativeEvent(com.google.gwt.user.client.Event.NativePreviewEvent event)
```
    Specified by:
    
    onPreviewNativeEvent in interface com.google.gwt.user.client.Event.NativePreviewHandler
    
    See Also:
    
    Event.NativePreviewHandler.onPreviewNativeEvent(com.google.gwt.user.client.Event.NativePreviewEvent)
  - isRegistered
```
public boolean isRegistered()
```
    Returns if the handler is currently registered.
    
    Returns:
    
    true if the handler is currently registered and active
  - register
```
public void register()
```
    Registers the handler.
  - removeHandler
```
public void removeHandler()
```
    Removes the handler and deactivates it.
    Call register() the register again.