DragDropEventBase (GWT Javadoc)

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GWT 2.7.0

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com.google.gwt.event.dom.client
Class DragDropEventBase<H extends EventHandler>

java.lang.Object
  com.google.web.bindery.event.shared.Event<H>
      com.google.gwt.event.shared.GwtEvent<H>
          com.google.gwt.event.dom.client.DomEvent<H>
              com.google.gwt.event.dom.client.DragDropEventBase<H>


Type Parameters:: H - handler type

All Implemented Interfaces:: HasNativeEvent

Direct Known Subclasses:: DragEndEvent, DragEnterEvent, DragEvent, DragLeaveEvent, DragOverEvent, DragStartEvent, DropEvent

public abstract class DragDropEventBase<H extends EventHandler>
extends DomEvent<H>
extends DomEvent<H>

Base class for drag and drop events.

Nested Class Summary
`(package private) static class`	`DragDropEventBase.DragSupportDetector` Detector for browser support of drag events.
`(package private) static class`	`DragDropEventBase.DragSupportDetectorNo` Detector for permutations that do not support drag events.

Nested classes/interfaces inherited from class com.google.gwt.event.dom.client.DomEvent
`DomEvent.Type<H extends EventHandler>`

Constructor Summary
`DragDropEventBase()`

Method Summary
`java.lang.String`	`getData(java.lang.String format)` Get the data for the specified format from the `DataTransfer` object.
`DataTransfer`	`getDataTransfer()` Get the `DataTransfer` associated with the current drag event.
`static boolean`	`isSupported()` Runtime check for whether drag events are supported in this browser.
`void`	`setData(java.lang.String format, java.lang.String data)` Set the data in the `DataTransfer` object for the specified format.

Methods inherited from class com.google.gwt.event.dom.client.DomEvent
`fireNativeEvent, fireNativeEvent, getAssociatedType, getNativeEvent, getRelativeElement, init, preventDefault, setNativeEvent, setRelativeElement, stopPropagation`

Methods inherited from class com.google.gwt.event.shared.GwtEvent
`assertLive, dispatch, getSource, isLive, kill, revive`

Methods inherited from class com.google.web.bindery.event.shared.Event
`setSource, toDebugString, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

DragDropEventBase

public DragDropEventBase()

Method Detail

isSupported

public static boolean isSupported()

Runtime check for whether drag events are supported in this browser.

Returns:: true if supported, false if not

getData

public java.lang.String getData(java.lang.String format)

Get the data for the specified format from the DataTransfer object.

Parameters:: format - the format
Returns:: the data for the specified format

getDataTransfer

public DataTransfer getDataTransfer()

Get the DataTransfer associated with the current drag event.

Returns:: the DataTransfer object

setData

public void setData(java.lang.String format,
                    java.lang.String data)

Set the data in the DataTransfer object for the specified format.

Parameters:: format - the format; data - the data to associate with the format