Package com.google.gwt.dom.client

Class DataTransfer

java.lang.Object

com.google.gwt.core.client.JavaScriptObject

com.google.gwt.dom.client.DataTransfer

public class DataTransfer
extends JavaScriptObject

Class representing DataTransfer interface.

Experimental API: This API is still under development and is subject to change.

See Also:

• W3C HTML Specification

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	DataTransfer.DropEffect	Used to specify the drop effect to use on dragenter or dragover events.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DataTransfer()	Required constructor for GWT compiler to function.

Method Summary

Modifier and Type	Method	Description
final void	clearData()	Remove all data from the current drag sequence.
final void	clearData(String format)	Remove the data for the specified format for all drag events in the current drag sequence.
final String	getData(String format)	Get the data for the specified format.
final void	setData(String format, String data)	Set the data for the specified format to associate with all drag events in the current drag and drop sequence.
final void	setDragImage(Element element, int x, int y)	Specify the element to use to update the drag feedback.
final void	setDropEffect(DataTransfer.DropEffect dropEffect)	Specify the drop effect to use on dragenter or dragover events.

Methods inherited from class com.google.gwt.core.client.JavaScriptObject

cast, createArray, createArray, createFunction, createObject, equals, hashCode, toSource, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

DataTransfer

protected DataTransfer()

Required constructor for GWT compiler to function.

Method Details

clearData

public final void clearData()

Remove all data from the current drag sequence.

See Also:

• W3C Specification

clearData

public final void clearData(String format)

Remove the data for the specified format for all drag events in the current drag sequence.

Parameters:

format - the format, which is usually the mime-type of the associated data

See Also:

• setData(String, String)
• W3C Specification

getData

public final String getData(String format)

Get the data for the specified format. The data may have been set in a previous drag event that is part of the current drag sequence.

Parameters:

format - the format, which is usually the mime-type of the data

Returns:

the data for the specified format

See Also:

• setData(String, String)
• W3C Specification

setData

public final void setData(String format,
 String data)

Set the data for the specified format to associate with all drag events in the current drag and drop sequence. The data can be read using getData(String) from any subsequent drag events in this sequence (such as the drop event).

The format is usually the mime-type of the data, but can also be text.

Parameters:

format - the format, which is usually the mime-type of the data

data - the data to associate with the format

See Also:

• W3C Specification

setDragImage

public final void setDragImage(Element element,
 int x,
 int y)

Specify the element to use to update the drag feedback.

Parameters:

element - the feedback image

x - the x offset of the cursor

y - the y offset of the cursor

See Also:

• W3C Specification

setDropEffect

public final void setDropEffect(DataTransfer.DropEffect dropEffect)

Specify the drop effect to use on dragenter or dragover events.

Parameters:

dropEffect - the drop effect to display.