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PORelation between the drawn node and the data node in Google chart/visualization
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<p>I'm using a Google Org Chart to show a site's page hierarchy.</p> <p>I would like to colour the boxes based on some other factor - specifically the last update time of the page, but this question is more general.</p> <p>I can load the data and draw the chart. </p> <p>I've added an extra column to the data and drawn the chart.</p> <p>Then <code>document.querySelectorAll('.google-visualization-orgchart-node');</code> gives me a list of the charts nodes.</p> <p>But I can't work out how to join this back to the data. I could parse the text content, but this seems really messy/hacky.</p> <p><strong>Is there no relation between the drawn node and the data node?</strong></p> <p>I edited a Google sample to include an extra data column, and its on jsfiddle here <a href="http://jsfiddle.net/adrianjmartin/4Xadv/" rel="nofollow">http://jsfiddle.net/adrianjmartin/4Xadv/</a></p> <pre><code>  <!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <title> Google Visualization API Sample </title> <script type="text/javascript" src="//www.google.com/jsapi"></script> <script type="text/javascript"> google.load('visualization', '1', { packages: ['orgchart'] }); </script> <script type="text/javascript"> function drawVisualization() { // Create and populate the data table. var data = new google.visualization.DataTable; data.addColumn('string', 'Name'); data.addColumn('string', 'Manager'); data.addColumn('string', 'ToolTip'); data.addColumn('string' , 'extraData') var r; r = data.addRow(['Mike', null, 'The President','a']); data.addRow([{ v: 'Jim', f: 'Jim<br/><font color="red"><i>Vice President<i></font>' }, 'Mike', null,'b']); data.addRow(['Alice', 'Mike', null,'c']); data.addRow(['Bob', 'Jim', 'Bob Sponge','d']); data.addRow(['Carol', 'Bob', null,'e']); // Create and draw the visualization. var v = document.getElementById('visualization'); var orgChart = new google.visualization.OrgChart(v); orgChart.draw(data, { allowHtml: true }); var nodes = document.querySelectorAll('.google-visualization-orgchart-node'); for (var i = 0 ; i < nodes.length; i++) { console.log(nodes[i]); } } google.setOnLoadCallback(drawVisualization); </script> </head> <body style="font-family: Arial;border: 0 none;"> <div id="visualization" style="width: 300px; height: 300px;"></div> </body> </html> </code></pre>
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<javascript><charts><google-visualization>
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Relation between the drawn node and the data node in Google chart/visualization
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1. COI've noticed that the chart select event can resolve the data row and column. But trying to debug through the obfuscation is giving me a headache.
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