Class 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 class  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.
    • Constructor Detail

      • DataTransfer

        protected DataTransfer()
        Required constructor for GWT compiler to function.
    • Method Detail

      • clearData

        public final void clearData()
        Remove all data from the current drag sequence.
        See Also:
        W3C Specification
      • clearData

        public final void clearData​(java.lang.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 java.lang.String getData​(java.lang.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​(java.lang.String format,
                                  java.lang.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.