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Martin Lindhe

  • Username: martin_lindhe
  • Joined: Fri Jan 14, 2011 2:42 am
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YUI3 PieChart and percentages

Post Posted: Fri Jan 21, 2011 1:56 am
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Hello. I made a pie chart and wanted to make percentages show on tooltips.

I couldnt figure out if the "sum of all values" are available somewhere in the scope of the YUI chart so i ended up calculating it again.

However I was wondering since that value is calculated for the pie chart to be drawn anyway, if it could be exposed somehow for usage in tooltips

I ended up with something like this

Code:
$total_items = 0;
foreach ($this->data_source as $i)
    $total_items += $i['value'];


...

Code:
markerLabelFunction: function(categoryItem, valueItem, itemIndex, series, seriesIndex)
{
    return
    "<span style=\"text-decoration:underline\">" + categoryItem.value + "</span><br/><div style=\"margin-top:5px;font-weight:bold\">" + valueItem.value + " (" + Math.round(valueItem.value / '.$total_items.' * 100) + " %)</div>"
}

Tripp Bridges

YUI Developer

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  • Joined: Wed Jan 07, 2009 1:54 pm
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Re: YUI3 PieChart and percentages

Post Posted: Fri Jan 21, 2011 9:30 am
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Hi Martin,
You are correct. The total should be available. Please file a ticket and I will take care of it.

http://yuilibrary.com/projects/yui3/newticket

Thanks,
Tripp

Tripp Bridges

YUI Developer

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  • Joined: Wed Jan 07, 2009 1:54 pm
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Re: YUI3 PieChart and percentages

Post Posted: Wed Jan 26, 2011 11:42 am
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Ticket:
http://yuilibrary.com/projects/yui3/ticket/2529878
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