org.cruxframework.crux.widgets.client.util.draganddrop

Class GenericDragEventHandler

java.lang.Object

org.cruxframework.crux.widgets.client.util.draganddrop.GenericDragEventHandler

All Implemented Interfaces:

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

public class GenericDragEventHandler
extends Object
implements com.google.gwt.event.dom.client.MouseDownHandler, com.google.gwt.event.dom.client.MouseUpHandler, com.google.gwt.event.dom.client.MouseMoveHandler

A generic handler which captures mouse events, translates them into drag events and invokes actions associated to them.

Author:

Gesse Dafe

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GenericDragEventHandler.DragAction<D extends GenericDragEventHandler.Draggable<?>> The contract to implement the logic associated to a drag action
static class	GenericDragEventHandler.DragAndDropFeature Features offered by existing drag and drop capabilities
static interface	GenericDragEventHandler.Draggable<K extends com.google.gwt.user.client.ui.IsWidget & com.google.gwt.event.dom.client.HasAllMouseHandlers> The contract to implement a widget which can be resized

Constructor Summary

Constructors

Constructor and Description
GenericDragEventHandler(GenericDragEventHandler.DragAction<?> action)

Method Summary

Methods

Modifier and Type	Method and Description
void	applyTo(GenericDragEventHandler.Draggable<?> draggable) Apply this handler to a given draggable
void	onMouseDown(com.google.gwt.event.dom.client.MouseDownEvent event)
void	onMouseMove(com.google.gwt.event.dom.client.MouseMoveEvent event)
void	onMouseUp(com.google.gwt.event.dom.client.MouseUpEvent event)

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericDragEventHandler

public GenericDragEventHandler(GenericDragEventHandler.DragAction<?> action)

Parameters:

action -

Method Detail

applyTo

public void applyTo(GenericDragEventHandler.Draggable<?> draggable)

Apply this handler to a given draggable

Parameters:

draggable -

onMouseDown

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

Specified by:

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

onMouseMove

public void onMouseMove(com.google.gwt.event.dom.client.MouseMoveEvent event)

Specified by:

onMouseMove in interface com.google.gwt.event.dom.client.MouseMoveHandler

onMouseUp

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

Specified by:

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