Can not update graphic color (SketchWidget, v4.18) - Bug?

parmsang

Since upgrading to 4.18, it seems the ability to update graphic symbol properties is not working when using the Sketch widget. 

If you checkout the codepen for the following Sketch widget sample and listen to update events, and then try to set the color of the graphic, it does not work.

The basic code I added to the codepen was this:

 

      sketch.on("update", function(event) {
        if (event.state === 'complete') {
          event.graphics[0].symbol.set('color', [226, 119, 40]);
          console.log(event.graphics[0])
        }
      });

 

   

This worked in 4.17, and can be proven in the above sample by editing to use ArcGIS JS version 4.17.

JohnGrayson

What is the goal of the above task? The code tries to change the symbol of the graphic, which at that time is a reference to the internal symbol used by the Sketch widget, so all subsequent graphics created via the Sketch widget will use the updated symbol.  Is that what you want to do?  If so, check out the 'polygonSymbol' property of the SketchViewModel as it might be an alternate approach.  If the goal is to change the symbol for just the current graphic after it has been added to the layer, you'll can instead clone and update the symbol (so you don't change the Sketch internal symbol).

https://codepen.io/john-grayson/pen/zYoEJbQ