Package com.smartgwt.client.widgets.drawing.events

Interface HasDrawStartHandlers

All Superinterfaces:

HasHandlers

All Known Implementing Classes:

DrawBlockConnector, DrawCurve, DrawDiamond, DrawGroup, DrawImage, DrawItem, DrawLabel, DrawLine, DrawLinePath, DrawOval, DrawPane, DrawPath, DrawPolygon, DrawRect, DrawSector, DrawShape, DrawTriangle, FacetChart, Gauge

public interface HasDrawStartHandlers
extends HasHandlers

Method Summary

Modifier and Type	Method	Description
HandlerRegistration	addDrawStartHandler(DrawStartHandler handler)	Called when we start drawing for this DrawItem to the drawPane's underlying HTML5 <canvas> element.

Methods inherited from interface com.google.gwt.event.shared.HasHandlers

fireEvent

Method Details

addDrawStartHandler

HandlerRegistration addDrawStartHandler(DrawStartHandler handler)

Called when we start drawing for this DrawItem to the drawPane's underlying HTML5 <canvas> element. Only called if the DrawingType is DrawingType.BITMAP.

Parameters:

handler - the drawStart handler

Returns:

HandlerRegistration used to remove this handler