RE: [flexcoders] Adding annotationElements programatically

Wed, 26 Jul 2006 02:34:13 -0700

My problem was this:
 
    payChart.annotationElements.push(bfl);
 
It doesn't seem to work, but this:
 
    payChart.annotationElements = payChart.annotationElements.concat(bfl);
 
does. Seems a little ott (because I'm guessing this will re-render the other annotationElements on the graph), but it works!

From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Daniel Tuppeny
Sent: 26 July 2006 10:24
To: [email protected]
Subject: [flexcoders] Adding annotationElements programatically

Hi all,
 
I've got this in my chart, which works:
 
<chart:annotationElements>
      <bestfit:Linear
       dataProvider="{pmService.GetBestFitLines.lastResult.LinearBestFit}"
      />
</chart:annotationElements>
But now I want to do it programatically, so I've removed it, and added this script:
 
var bfl:Quadratic = new Quadratic();
payChart.annotationElements.push(bfl);
bfl.dataProvider = pmService.GetBestFitLines.lastResult.QuadraticBestFit;
// Added to try and force things to update!
payChart.invalidateDisplayList();
payChart.invalidateProperties();
payChart.invalidateSeriesStyles();
 
But the best fit line never appears. I can't provide the source for Quadratic, because there are many base classes, but it's basically a class inheriting from ChartElement which does some drawing in updateDisplayList!
 
Am I doing something wrong?
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