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PObackbone view + google visualisation api
 

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    <p>I'm trying to integrate a google visualisation chart into my backbone.js app. Currently I have both the google.load(visualization) and setOnLoadCallback(drawVisualization) calls in the render function of a ChartView class. The google visualisation libraries seem to be loading correctly, however the callback is never executed.</p> <p>Below is a example that shows the problem, if someone could assist I'd be very grateful!</p> <pre><code>&lt;!doctype html&gt; &lt;html&gt; &lt;head&gt; &lt;title&gt;App&lt;/title&gt; &lt;meta charset="utf-8"&gt; &lt;/head&gt; &lt;body&gt; &lt;div id="content"&gt;&lt;/div&gt; &lt;script src="lib/jquery-1.7.2.min.js"&gt;&lt;/script&gt; &lt;script src="lib/underscore.js"&gt;&lt;/script&gt; &lt;script src="lib/backbone.js"&gt;&lt;/script&gt; &lt;script src="http://www.google.com/jsapi"&gt;&lt;/script&gt; &lt;script&gt; ChartView = Backbone.View.extend({ render:function () { $(this.el).html('&lt;p&gt;gviz line chart:&lt;/p&gt;' + '&lt;div id="gviz" style="width:600px; height:300px;"&gt;&lt;/div&gt;'); google.load('visualization', '1', {packages:'linechart'}); google.setOnLoadCallback(this.drawVisualization); return this; }, //This never gets called drawVisualization:function () { console.log("In draw visualization"); var data = this.createDataTable('date'); var chart = new google.visualization.LineChart(this.$('#gviz')); chart.draw(data, null, null); }, createDataTable:function (dateType) { console.log("Creating datatable"); var data = new google.visualization.DataTable(); data.addColumn(dateType, 'Date'); data.addColumn('number', 'Column A'); data.addColumn('number', 'Column B'); data.addRows(4); data.setCell(0, 0, new Date("2009/07/01")); data.setCell(0, 1, 1); data.setCell(0, 2, 7); data.setCell(1, 0, new Date("2009/07/08")); data.setCell(1, 1, 2); data.setCell(1, 2, 4); console.log("Created datatable " + data.toJSON()); return data; } }); var AppRouter = Backbone.Router.extend({ routes:{ "":"chart" }, chart:function () { console.log("Showing chart"); $("#content").append(new ChartView().render().el); } }); router = new AppRouter(); Backbone.history.start(); &lt;/script&gt; &lt;/body&gt; &lt;/html&gt; </code></pre>
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