Most GWT components support drag and drop event handling.
For example: Labels, Grids, etc.

Not sure if this helps when drawing to a canvas...

HTML h = new HTML("Hello");

HandlerRegistration regHandler = h.addDragStartHandler(....); 


Mike

On Monday, January 23, 2017 at 6:54:29 AM UTC-10, Ani wrote:
>
> HI
>  I am working on a Diagram editor with GWT. The requirement is to be able 
> to drag from a palette and draw and connect different shapes.
> So using a Canvas component for the drawing part.
>  Does GWT have an in built Drag and Drop Framework?
>
> Any help is appreciated
>
> Regards
> Ani
>

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