Package org.opencms.gwt.client.util

Class CmsFocusedScrollingHandler

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 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

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 Details

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.