examOnline/WebRoot/js/charts.js

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/*
 * 	Additional function for charts.html
 *	Written by ThemePixels	
 *	http://themepixels.com/
 *	
 *	Built for Katniss Premium Admin Template
 *  http://themepixels.com/themes/demo/webpage/katniss
 */

jQuery(document).ready(function(){		
		
		
		/*****SIMPLE CHART*****/
		var flash = [[0, 2], [1, 6], [2,3], [3, 8], [4, 5], [5, 13], [6, 8]];
		var html5 = [[0, 5], [1, 4], [2,4], [3, 1], [4, 9], [5, 10], [6, 13]];
			
		function showTooltip(x, y, contents) {
			jQuery('<div id="tooltip" class="tooltipflot">' + contents + '</div>').css( {
				position: 'absolute',
				display: 'none',
				top: y + 5,
				left: x + 5
			}).appendTo("body").fadeIn(200);
		}
	
			
		var plot = jQuery.plot(jQuery("#chartplace"),
			   [ { data: flash, label: "Flash(x)", color: "#ccc"}, { data: html5, label: "HTML5(x)", color: "#666"} ], {
				   series: {
					   lines: { show: true, fill: true, fillColor: { colors: [ { opacity: 0.05 }, { opacity: 0.15 } ] } },
					   points: { show: true }
				   },
				   legend: { position: 'nw'},
				   grid: { hoverable: true, clickable: true, borderColor: '#666', borderWidth: 2, labelMargin: 10 },
				   yaxis: { min: 0, max: 15 }
				 });
		
		var previousPoint = null;
		jQuery("#chartplace").bind("plothover", function (event, pos, item) {
			jQuery("#x").text(pos.x.toFixed(2));
			jQuery("#y").text(pos.y.toFixed(2));
			
			if(item) {
				if (previousPoint != item.dataIndex) {
					previousPoint = item.dataIndex;
						
					jQuery("#tooltip").remove();
					var x = item.datapoint[0].toFixed(2),
					y = item.datapoint[1].toFixed(2);
						
					showTooltip(item.pageX, item.pageY,
									item.series.label + " of " + x + " = " + y);
				}
			
			} else {
			   jQuery("#tooltip").remove();
			   previousPoint = null;            
			}
		
		});