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POHighcharts - increment a class name so piechart slices can be uniquely styled in style.css
 

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  1. POHighcharts - increment a class name so piechart slices can be uniquely styled in style.css
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    <p>I am creating a HighCharts pie chart and want finer styling control over each slice -- I want light slices to have dark dataLabels and vice versa.</p> <p>So, I want to be able to style the slices using my style.css file. I've inserted a class name (slice) in the dataLabels setup, plus a custom function to cycle through all my slices and give them unique classes:</p> <pre><code>function colorSlices(chart) { var count = 1; $(".slice").each(function(){ $(this).addClass("slice-"+count); count++; }); }; var chart; $(document).ready(function() { // Build the chart chart = new Highcharts.Chart({ credits: { enabled: false }, chart: { renderTo: 'container', exporting: { enabled: false }, events: { redraw: function(event) { colorSlices(); } }, plotBackgroundColor: null, plotBorderWidth: null, plotShadow: false, shadow: true }, tooltip: { pointFormat: '', percentageDecimals: 1 }, legend: { useHTML: true, align: 'right', verticalAlign: 'middle', itemWidth: 260, borderColor: '#fff', width: 260, labelFormatter: function() { return '&lt;div class="legend-item"&gt;' + this.name +'&lt;/div&gt;'; } }, title: { text: "" }, plotOptions: { pie: { allowPointSelect: true, size:'100%', cursor: 'pointer', showInLegend: true, shadow: true, dataLabels: { enabled: true, distance: -40, useHTML: true, style: { width: '100px' }, color: '#fff', connectorColor: '#000000', formatter: function() { return '&lt;span class="slice"&gt;' + Highcharts.numberFormat(this.percentage,1,".",",") +' %&lt;/span&gt;'; } } } }, series: [{ type: 'pie', name: 'Income Investments', data: [ ['Other Industries', 19.3], ['Media', 16.0], ['Materials', 13.6], ['Software &amp; Services', 10.2], ['Retailing', 7.9], ['Capital Goods', 6.5], ['Healthcare Equipment &amp; Services', 6.0], ['Insurance', 5.7], ['Technology Hardware &amp; Equipment', 5.4], ['Consumer Services', 4.8], ['Telecommunication Services', 4.7] ] }], colors: [ '#132f55', '#4d6d8a', '#7f95aa', '#b2bfcb', '#d1dae2', '#e5eaef', '#7f7f7f', '#9e9e9e', '#c9c9c9', '#bcbdc0', '#eeefef' ] }); }) </code></pre> <p>I ultimately want each slice in my pie to have incremental classes like: - slice-1 - slice-2 - slice-3</p> <p>I've kind of got this working, but only when the chart resizes. I've tried to trigger my custom function in the load event, but nothing happens.</p> <p>My fiddle: <a href="http://jsfiddle.net/6PbbR/262/" rel="nofollow">http://jsfiddle.net/6PbbR/262/</a></p>
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