com.vaadin.ui.dnd.event

Class DragStartEvent<T extends AbstractComponent>

java.lang.Object

java.util.EventObject

com.vaadin.event.ConnectorEvent

com.vaadin.ui.Component.Event

com.vaadin.ui.dnd.event.DragStartEvent<T>

Type Parameters:

T - Type of the component that is dragged.

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

GridDragStartEvent

public class DragStartEvent<T extends AbstractComponent>
extends Component.Event

HTML5 drag start event.

Since:

8.1

Author:

Vaadin Ltd

See Also:

DragSourceExtension.addDragStartListener(DragStartListener), Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor and Description
DragStartEvent(T source, EffectAllowed effectAllowed) Creates a drag start event.

Method Summary

Modifier and Type	Method and Description
T	getComponent() Returns the drag source component where the dragstart event occurred.
EffectAllowed	getEffectAllowed() Returns the effectAllowed parameter of this event.

Methods inherited from class com.vaadin.event.ConnectorEvent

getConnector

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DragStartEvent

public DragStartEvent(T source,
                      EffectAllowed effectAllowed)

Creates a drag start event.

Parameters:

source - Component that is dragged.

effectAllowed - Allowed effects from DataTransfer.effectAllowed object.

Method Detail

getEffectAllowed

public EffectAllowed getEffectAllowed()

Returns the effectAllowed parameter of this event.

Returns:

This event's effectAllowed parameter.

getComponent

public T getComponent()

Returns the drag source component where the dragstart event occurred.

Overrides:

getComponent in class Component.Event

Returns:

Component which is dragged.