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Charts / Attribute - setter called before valueFn in tooltip

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Ryan Cannon

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Username: rcanine
Joined: Thu Apr 22, 2010 1:40 pm
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Charts / Attribute - setter called before valueFn in tooltip

Posted: Thu May 17, 2012 5:55 pm

+0-

This is baking my noodle.

I've got a chart in a fairly complicated module, but it's setup is relatively straightforward:

Code:

var chartConfig = {
   axes: { values: { roundingMethod: "auto" }},
   dataProvider: [...],
   horizontalGridlines: { ... },
   interactionType: marker,
   seriesKeys: [...],
   styles: {...},
   tooltip: {
      styles: { ... },
      markerLabelFunction = function () { ... }
   },
   type: "column",
   render: chartDiv,
   verticalGridlines: { ... }
};
var chart = new Y.Chart(chartConfig);

I'm seeing an exception deep into the chart-base.js, where this._updateTooltip is being called, and looking for this._tooltip, but this._tooltip hasn't been set, so referencing this._tooltip.node dies. this._tooltip is set in this._getTooltip.

The whole thing comes together with:

Code:

ATTRS: {
 ...
  tooltip: {
    valueFn: "_getTooltip",
    setter: function (val) {
      return this._updateTooltip(val);
    }
  }
  ...
}

I'm stumped. I can't replicate or isolate this issue outside of my module, even if I copy the same code and put it on another page. I'm not modifying any YUI modules. Anyone have any hints on how I can debug this?

Update: this change resolved the issue with a local copy of YUI:

Code:

- var tt = this._tooltip,
+ var tt = this._tooltip || this._getTooltip(),

Tripp Bridges

YUI Developer

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Joined: Wed Jan 07, 2009 1:54 pm
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Re: Charts / Attribute - setter called before valueFn in too

Posted: Fri May 18, 2012 10:48 am

+0-

Ryan,
Thanks for bringing this to my attention. I have filed a ticket and will investigate this. Your workaround is nice and I'll implement it for the next pr.

Tripp

Ryan Cannon

YUI Contributor

Username: rcanine
Joined: Thu Apr 22, 2010 1:40 pm
Posts: 23
Location: Culver City, CA
Twitter: rcanine
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Re: Charts / Attribute - setter called before valueFn in too

Posted: Fri May 18, 2012 1:35 pm

+0-

Thanks for looking into this. As far as I can tell, it seems to have something to do with the way attributes are set in the constructor:

http://yuilibrary.com/yui/docs/api/file ... .html#l440

I also was running into some DOM Exception 8 issues when trying to set the tooltip properties after rendering, not sure if they're related though.

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