net.sf.mmm.client.ui.base.widget

Class AbstractUiWidget.EventSender

java.lang.Object

net.sf.mmm.client.ui.base.widget.AbstractUiWidget.EventSender

All Implemented Interfaces:

AttributeReadFocused, UiFeature, UiFeatureEvent, UiHandlerEvent, UiHandler

Enclosing class:

AbstractUiWidget<VALUE>

protected class AbstractUiWidget.EventSender
extends Object
implements UiHandlerEvent, UiFeatureEvent, AttributeReadFocused

This inner class is an adapter for the events.

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	focused
private List<AbstractUiWidget.HandlerContainer>	handlerContainers
private int	removeCount

Constructor Summary

Constructors

Constructor and Description
EventSender() The constructor.

Method Summary

Modifier and Type	Method and Description
void	addEventHandler(UiHandlerEvent handler) This method adds the given UiHandlerEvent to this object.
int	getRemoveCount()
boolean	isFocused() This method determines if this object currently has the focus.
void	onEvent(UiEvent event) This method is invoked for each UiEvent (of any type) fired by the widget.
boolean	removeEventHandler(UiHandlerEvent handler) This method removes the given UiHandlerEvent from this object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

handlerContainers

private final List<AbstractUiWidget.HandlerContainer> handlerContainers

See Also:

addEventHandler(UiHandlerEvent)

removeCount

private volatile int removeCount

See Also:

getRemoveCount()

focused

private boolean focused

See Also:

isFocused()

Constructor Detail

EventSender

public EventSender()

The constructor.

Method Detail

isFocused

public boolean isFocused()

This method determines if this object currently has the focus. In this case the cursor is placed in the object (e.g. a text input) and it will receive keyboard events.

Specified by:

isFocused in interface AttributeReadFocused

Returns:

true if this object is focused, false otherwise.

addEventHandler

public void addEventHandler(UiHandlerEvent handler)

This method adds the given UiHandlerEvent to this object.

Specified by:

addEventHandler in interface UiFeatureEvent

Parameters:

handler - is the UiHandlerEvent to add.

removeEventHandler

public boolean removeEventHandler(UiHandlerEvent handler)

This method removes the given UiHandlerEvent from this object.

Specified by:

removeEventHandler in interface UiFeatureEvent

Parameters:

handler - is the UiHandlerEvent to remove.

Returns:

true if the handler has been removed successfully, false if it was NOT registered and nothing has changed.

onEvent

public void onEvent(UiEvent event)

This method is invoked for each UiEvent (of any type) fired by the widget.

Specified by:

onEvent in interface UiHandlerEvent

Parameters:

event - is the UiEvent that has been sent.

getRemoveCount

public int getRemoveCount()

Returns:

the removeCount