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POHow to put Loader image in Jqplot charts untill the data is fetched completely and then show chart?
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  1. POHow to put Loader image in Jqplot charts untill the data is fetched completely and then show chart?
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    copied!<p>i am using <a href="http://www.jqplot.com/tests/" rel="nofollow">jqplot</a> chart in my jsp page now there is more then 6 charts am showing in my one jsp page</p> <ul> <li>My problem is for each chart there is a ajax request which request the data from database and fetch the result and show in chart...it takes some time when there is thousands of rows in database..</li> </ul> <p>so i want to put some loader image in each div and show charts when that div's charts ajax request is completed.</p> <ul> <li>i have tried the things but not succeeded .. when i tried to put image via ("#fl2").innerHtml when ajax start and on success i just remove that image then its not populating my jqplot charts</li> </ul> <p>following is one of my div in which chart is loading</p> <p>in my jsp page</p> <pre><code>&lt;div id="fl_3"style="height: 250px; width: 100%; margin: 50px auto 0"&gt;&lt;/div&gt; </code></pre> <p>and my ajax function is as follows which genrate the charts</p> <pre><code>function PieChartsCampByOrg(pUrl, pLoaderPath) { // Setup the placeholder reference $.ajax({ type : 'post', url : pUrl, success : function(rawdata) { var total = rawdata.split(";"); var totalcount = 0; var txt = null; for ( var i = 1; i &lt; total.length - 1; i++) { if (i == 1) { txt = "[{ label: \"" + total[i] + "\", data: " + total[i + 1] + "}"; } else { txt = txt + ", { label: \"" + total[i] + "\", data: " + total[i + 1] + "}"; } totalcount = parseInt(totalcount) + parseInt(total[i + 1]); i++; } txt = txt + "];"; if (totalcount == 0 || data == null || data == 'undefined') { labeltext = "Total Campaign: " + totalcount + " &lt;br&gt; Statistic Type: Campaigns By Organization"; } else { labeltext = "Total Campaign: " + totalcount + " &lt;br&gt; Statistic Type: Campaigns By Organization"; } document.getElementById('piecamporg').innerHTML = labeltext; elem = $('#fl_3'); var data = eval(txt); // Setup the flot chart using our data $.plot(elem, data, { // // series: { pie: { show: true, radius: 1, label: { show: false, radius: 2 / 3, formatter: function (label, series) { return '&lt;div style="font-size:7pt;text-align:center;padding:2px;color:white;"&gt;' + label + '&lt;br/&gt;' + series.data[0][1] + '&lt;/div&gt;'; }, threshold: 0.1 } } }, grid : { hoverable : true, clickable : true }, colors : [ "#245779", "#85c441", "#e88b2f", "#bb43f2", "#3073a0", "#9C2323", "#183b52", "#8cc7e0", "#64b4d5", "#3ca0ca", "#2d83a6", "#22637e", "#174356", "#0c242e" ] // colors: [ "#b4dbeb", "#8cc7e0", "#64b4d5", "#3ca0ca", // "#2d83a6", "#22637e", "#174356", "#0c242e" ] }); // Create a tooltip on our chart elem.qtip({ prerender : true, content : 'Loading...', // Use a loading message // primarily position : { viewport : $(window), // Keep it visible within // the window if possible target : 'mouse', // Position it in relation to // the mouse adjust : { x : 7 } // ...but adjust it a bit so it doesn't overlap it. }, show : true, // We'll show it programatically, so no // show event is needed style : { classes : 'ui-tooltip-shadow ui-tooltip-tipsy', tip : false // Remove the default tip. } }); // Bind the plot hover elem .on( 'plothover', function(event, pos, obj) { // Grab the API reference var self = $(this), api = $(this) .qtip(), previousPoint, content, // Setup a visually pleasing rounding // function round = function(x) { return Math.round(x * 1000) / 1000; }; // If we weren't passed the item object, // hide the tooltip and remove cached // point data if (!obj) { api.cache.point = false; return api.hide(event); } // Proceed only if the data point has // changed previousPoint = api.cache.point; if (previousPoint !== obj.seriesIndex) { percent = parseFloat( obj.series.percent) .toFixed(2); // Update the cached point data api.cache.point = obj.seriesIndex; // Setup new content content = obj.series.label + ' (' + obj.series.data[0][1] + ')'; // Update the tooltip content api.set('content.text', content); // Make sure we don't get problems // with animations // api.elements.tooltip.stop(1, 1); // Show the tooltip, passing the // coordinates api.show(pos); } }); } }); } </code></pre> <p>above is my ajax call...its quite complex function but what i just want is to display loader until the ajax success hope any one got the solution...i know there should be some simple solution but am not much proficient in ajax..</p>
 

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