com.vaadin.terminal.gwt.client.ui
Class ClickEventHandler

java.lang.Object
  com.vaadin.terminal.gwt.client.ui.ClickEventHandler

All Implemented Interfaces:

com.google.gwt.event.dom.client.ContextMenuHandler, com.google.gwt.event.dom.client.DoubleClickHandler, com.google.gwt.event.dom.client.MouseDownHandler, com.google.gwt.event.dom.client.MouseUpHandler, com.google.gwt.event.shared.EventHandler

Direct Known Subclasses:

LayoutClickEventHandler

public abstract class ClickEventHandler
extends Object
implements com.google.gwt.event.dom.client.DoubleClickHandler, com.google.gwt.event.dom.client.ContextMenuHandler, com.google.gwt.event.dom.client.MouseUpHandler, com.google.gwt.event.dom.client.MouseDownHandler

Field Summary

protected String	clickEventIdentifier
protected Paintable	paintable

Constructor Summary

ClickEventHandler(Paintable paintable, String clickEventIdentifier)

Method Summary

protected void	fireClick(com.google.gwt.dom.client.NativeEvent event)
protected ApplicationConnection	getApplicationConnection()
protected com.google.gwt.user.client.Element	getRelativeToElement() Click event calculates and returns coordinates relative to the element returned by this method.
void	handleEventHandlerRegistration(ApplicationConnection client)
boolean	hasEventListener()
void	onContextMenu(com.google.gwt.event.dom.client.ContextMenuEvent event)
void	onDoubleClick(com.google.gwt.event.dom.client.DoubleClickEvent event)
void	onMouseDown(com.google.gwt.event.dom.client.MouseDownEvent event)
void	onMouseUp(com.google.gwt.event.dom.client.MouseUpEvent event)
protected abstract <H extends com.google.gwt.event.shared.EventHandler> com.google.gwt.event.shared.HandlerRegistration	registerHandler(H handler, com.google.gwt.event.dom.client.DomEvent.Type<H> type)

Methods inherited from class java.lang.Object

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

Field Detail

clickEventIdentifier

protected String clickEventIdentifier

paintable

protected Paintable paintable

Constructor Detail

ClickEventHandler

public ClickEventHandler(Paintable paintable,
                         String clickEventIdentifier)

Method Detail

handleEventHandlerRegistration

public void handleEventHandlerRegistration(ApplicationConnection client)

registerHandler

protected abstract <H extends com.google.gwt.event.shared.EventHandler> com.google.gwt.event.shared.HandlerRegistration registerHandler(H handler,
                                                                                                                                        com.google.gwt.event.dom.client.DomEvent.Type<H> type)

getApplicationConnection

protected ApplicationConnection getApplicationConnection()

hasEventListener

public boolean hasEventListener()

fireClick

protected void fireClick(com.google.gwt.dom.client.NativeEvent event)

onContextMenu

public void onContextMenu(com.google.gwt.event.dom.client.ContextMenuEvent event)

Specified by:

onContextMenu in interface com.google.gwt.event.dom.client.ContextMenuHandler

onMouseDown

public void onMouseDown(com.google.gwt.event.dom.client.MouseDownEvent event)

Specified by:

onMouseDown in interface com.google.gwt.event.dom.client.MouseDownHandler

onMouseUp

public void onMouseUp(com.google.gwt.event.dom.client.MouseUpEvent event)

Specified by:

onMouseUp in interface com.google.gwt.event.dom.client.MouseUpHandler

onDoubleClick

public void onDoubleClick(com.google.gwt.event.dom.client.DoubleClickEvent event)

Specified by:

onDoubleClick in interface com.google.gwt.event.dom.client.DoubleClickHandler

getRelativeToElement

protected com.google.gwt.user.client.Element getRelativeToElement()

Click event calculates and returns coordinates relative to the element returned by this method. Default implementation uses the root element of the widget. Override to provide a different relative element.

Returns:

The Element used for calculating relative coordinates for a click or null if no relative coordinates can be calculated.