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From se...@apache.org
Subject [06/17] flink git commit: [FLINK-1384] [webfrontend] Remove unused JS libraries
Date Sun, 18 Jan 2015 19:03:12 GMT
[FLINK-1384] [webfrontend] Remove unused JS libraries


Project: http://git-wip-us.apache.org/repos/asf/flink/repo
Commit: http://git-wip-us.apache.org/repos/asf/flink/commit/f38e2039
Tree: http://git-wip-us.apache.org/repos/asf/flink/tree/f38e2039
Diff: http://git-wip-us.apache.org/repos/asf/flink/diff/f38e2039

Branch: refs/heads/master
Commit: f38e2039969f613c18edda2528e4e7b5018d46ad
Parents: c954c4d
Author: Stephan Ewen <sewen@apache.org>
Authored: Sat Jan 10 18:18:48 2015 +0100
Committer: Stephan Ewen <sewen@apache.org>
Committed: Sun Jan 18 09:22:30 2015 -0800

----------------------------------------------------------------------
 .../js/flot/chart-data-flot.js                  | 237 ------
 .../web-docs-infoserver/js/flot/excanvas.min.js |   1 -
 .../js/flot/jquery.flot.pie.js                  | 750 -------------------
 3 files changed, 988 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/flink/blob/f38e2039/flink-runtime/src/main/resources/web-docs-infoserver/js/flot/chart-data-flot.js
----------------------------------------------------------------------
diff --git a/flink-runtime/src/main/resources/web-docs-infoserver/js/flot/chart-data-flot.js b/flink-runtime/src/main/resources/web-docs-infoserver/js/flot/chart-data-flot.js
deleted file mode 100755
index 330e9e2..0000000
--- a/flink-runtime/src/main/resources/web-docs-infoserver/js/flot/chart-data-flot.js
+++ /dev/null
@@ -1,237 +0,0 @@
-//Flot Line Chart with Tooltips
-$(document).ready(function(){
-	console.log("document ready");
-	var offset = 0;
-	plot();
-	function plot(){
-		var sin = [], cos = [];
-		for (var i = 0; i < 12; i += 0.2) {
-			sin.push([i, Math.sin(i + offset)]);
-			cos.push([i, Math.cos(i + offset)]);
-		}
-	
-		var options = {
-			series: {
-				lines: { show: true },
-				points: { show: true }
-			},
-			grid: {
-				hoverable: true //IMPORTANT! this is needed for tooltip to work
-			},
-			yaxis: { min: -1.2, max: 1.2 },
-			tooltip: true,
-			tooltipOpts: {
-				content: "'%s' of %x.1 is %y.4",
-				shifts: {
-					x: -60,
-					y: 25
-				}
-			}
-		};
-	
-		var plotObj = $.plot( $("#flot-chart-line"),
-			[ { data: sin, label: "sin(x)"}, { data: cos, label: "cos(x)" } ],
-			options );
-	}
-});
-
-//Flot Pie Chart with Tooltips
-$(function () {
-
-	var data = [
-		{ label: "Series 0", data: 1 },
-		{ label: "Series 1", data: 3 },
-		{ label: "Series 2", data: 9 },
-		{ label: "Series 3", data: 20 }
-	];
-	
-	var plotObj = $.plot($("#flot-chart-pie"), data, {
-		series: {
-			pie: {
-				show: true
-			}
-		},
-		grid: {
-			hoverable: true 
-		},
-		tooltip: true,
-		tooltipOpts: {
-			content: "%p.0%, %s", // show percentages, rounding to 2 decimal places
-			shifts: {
-				x: 20,
-				y: 0
-			},
-			defaultTheme: false
-		}
-	});
-	
-});
-
-//Flot Line Charts - Multiple Axes - With Data
-$(function () {
-    var oilprices = [[1167692400000,61.05], [1167778800000,58.32], [1167865200000,57.35], [1167951600000,56.31], [1168210800000,55.55], [1168297200000,55.64], [1168383600000,54.02], [1168470000000,51.88], [1168556400000,52.99], [1168815600000,52.99], [1168902000000,51.21], [1168988400000,52.24], [1169074800000,50.48], [1169161200000,51.99], [1169420400000,51.13], [1169506800000,55.04], [1169593200000,55.37], [1169679600000,54.23], [1169766000000,55.42], [1170025200000,54.01], [1170111600000,56.97], [1170198000000,58.14], [1170284400000,58.14], [1170370800000,59.02], [1170630000000,58.74], [1170716400000,58.88], [1170802800000,57.71], [1170889200000,59.71], [1170975600000,59.89], [1171234800000,57.81], [1171321200000,59.06], [1171407600000,58.00], [1171494000000,57.99], [1171580400000,59.39], [1171839600000,59.39], [1171926000000,58.07], [1172012400000,60.07], [1172098800000,61.14], [1172444400000,61.39], [1172530800000,61.46], [1172617200000,61.79], [1172703600000,62.00], [117279000
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-    function doPlot(position) {
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-           [ { data: oilprices, label: "Oil price ($)" },
-             { data: exchangerates, label: "USD/EUR exchange rate", yaxis: 2 }],
-           { 
-				xaxes: [ { mode: 'time' } ],
-				yaxes: [ { min: 0 },
-						{
-						  // align if we are to the right
-						  alignTicksWithAxis: position == "right" ? 1 : null,
-						  position: position,
-						  tickFormatter: euroFormatter
-						} ],
-				legend: { position: 'sw' },
-				grid: {
-					hoverable: true //IMPORTANT! this is needed for tooltip to work
-				},
-				tooltip: true,
-				tooltipOpts: {
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-					xDateFormat: "%y-%0m-%0d",
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-	var container = $("#flot-chart-moving-line");
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-	// Determine how many data points to keep based on the placeholder's initial size;
-	// this gives us a nice high-res plot while avoiding more than one point per pixel.
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-	var maximum = container.outerWidth() / 2 || 300;
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-	//
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-	var data = [];
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-    function getRandomData() {
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-        while (data.length < maximum) {
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-            data.push(y < 0 ? 0 : y > 100 ? 100 : y);
-        }
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-        // zip the generated y values with the x values
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-        var res = [];
-        for (var i = 0; i < data.length; ++i) {
-            res.push([i, data[i]])
-        }
-
-        return res;
-    }
-
-	//
-
-	series = [{
-		data: getRandomData(),
-		lines: {
-			fill: true
-		}
-	}];
-
-	//
-
-	var plot = $.plot(container, series, {
-		grid: {
-			borderWidth: 1,
-			minBorderMargin: 20,
-			labelMargin: 10,
-			backgroundColor: {
-				colors: ["#fff", "#e4f4f4"]
-			},
-			margin: {
-				top: 8,
-				bottom: 20,
-				left: 20
-			},
-			markings: function(axes) {
-				var markings = [];
-				var xaxis = axes.xaxis;
-				for (var x = Math.floor(xaxis.min); x < xaxis.max; x += xaxis.tickSize * 2) {
-					markings.push({ xaxis: { from: x, to: x + xaxis.tickSize }, color: "rgba(232, 232, 255, 0.2)" });
-				}
-				return markings;
-			}
-		},
-		xaxis: {
-			tickFormatter: function() {
-				return "";
-			}
-		},
-		yaxis: {
-			min: 0,
-			max: 110
-		},
-		legend: {
-			show: true
-		}
-	});
-
-	// Update the random dataset at 25FPS for a smoothly-animating chart
-
-	setInterval(function updateRandom() {
-		series[0].data = getRandomData();
-		plot.setData(series);
-		plot.draw();
-	}, 40);
-
-});
-
-//Flot Chart Bar Graph
-
-$(function () {
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-  var barOptions = {
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-	xaxis: { mode: "time", timeformat: "%m/%d", minTickSize: [1, "day"] },
-	grid:  { hoverable: true },
-	legend: { show: false },
-	tooltip: true,
-	tooltipOpts: {
-	  content: "x: %x, y: %y"
-	}
-  };
-  var barData = { label: "bar", data: [
-	[1354521600000, 1000],
-	[1355040000000, 2000],
-	[1355223600000, 3000],
-	[1355306400000, 4000],
-	[1355487300000, 5000],
-	[1355571900000, 6000]
-  ]};
-  $.plot($("#flot-chart-bar"), [barData], barOptions);
-  
-});
-

http://git-wip-us.apache.org/repos/asf/flink/blob/f38e2039/flink-runtime/src/main/resources/web-docs-infoserver/js/flot/excanvas.min.js
----------------------------------------------------------------------
diff --git a/flink-runtime/src/main/resources/web-docs-infoserver/js/flot/excanvas.min.js b/flink-runtime/src/main/resources/web-docs-infoserver/js/flot/excanvas.min.js
deleted file mode 100755
index 12c74f7..0000000
--- a/flink-runtime/src/main/resources/web-docs-infoserver/js/flot/excanvas.min.js
+++ /dev/null
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\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/flink/blob/f38e2039/flink-runtime/src/main/resources/web-docs-infoserver/js/flot/jquery.flot.pie.js
----------------------------------------------------------------------
diff --git a/flink-runtime/src/main/resources/web-docs-infoserver/js/flot/jquery.flot.pie.js b/flink-runtime/src/main/resources/web-docs-infoserver/js/flot/jquery.flot.pie.js
deleted file mode 100755
index 70941dd..0000000
--- a/flink-runtime/src/main/resources/web-docs-infoserver/js/flot/jquery.flot.pie.js
+++ /dev/null
@@ -1,750 +0,0 @@
-/*
-Flot plugin for rendering pie charts. The plugin assumes the data is 
-coming is as a single data value for each series, and each of those 
-values is a positive value or zero (negative numbers don't make 
-any sense and will cause strange effects). The data values do 
-NOT need to be passed in as percentage values because it 
-internally calculates the total and percentages.
-
-* Created by Brian Medendorp, June 2009
-* Updated November 2009 with contributions from: btburnett3, Anthony Aragues and Xavi Ivars
-
-* Changes:
-	2009-10-22: lineJoin set to round
-	2009-10-23: IE full circle fix, donut
-	2009-11-11: Added basic hover from btburnett3 - does not work in IE, and center is off in Chrome and Opera
-	2009-11-17: Added IE hover capability submitted by Anthony Aragues
-	2009-11-18: Added bug fix submitted by Xavi Ivars (issues with arrays when other JS libraries are included as well)
-		
-
-Available options are:
-series: {
-	pie: {
-		show: true/false
-		radius: 0-1 for percentage of fullsize, or a specified pixel length, or 'auto'
-		innerRadius: 0-1 for percentage of fullsize or a specified pixel length, for creating a donut effect
-		startAngle: 0-2 factor of PI used for starting angle (in radians) i.e 3/2 starts at the top, 0 and 2 have the same result
-		tilt: 0-1 for percentage to tilt the pie, where 1 is no tilt, and 0 is completely flat (nothing will show)
-		offset: {
-			top: integer value to move the pie up or down
-			left: integer value to move the pie left or right, or 'auto'
-		},
-		stroke: {
-			color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#FFF')
-			width: integer pixel width of the stroke
-		},
-		label: {
-			show: true/false, or 'auto'
-			formatter:  a user-defined function that modifies the text/style of the label text
-			radius: 0-1 for percentage of fullsize, or a specified pixel length
-			background: {
-				color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#000')
-				opacity: 0-1
-			},
-			threshold: 0-1 for the percentage value at which to hide labels (if they're too small)
-		},
-		combine: {
-			threshold: 0-1 for the percentage value at which to combine slices (if they're too small)
-			color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#CCC'), if null, the plugin will automatically use the color of the first slice to be combined
-			label: any text value of what the combined slice should be labeled
-		}
-		highlight: {
-			opacity: 0-1
-		}
-	}
-}
-
-More detail and specific examples can be found in the included HTML file.
-
-*/
-
-(function ($) 
-{
-	function init(plot) // this is the "body" of the plugin
-	{
-		var canvas = null;
-		var target = null;
-		var maxRadius = null;
-		var centerLeft = null;
-		var centerTop = null;
-		var total = 0;
-		var redraw = true;
-		var redrawAttempts = 10;
-		var shrink = 0.95;
-		var legendWidth = 0;
-		var processed = false;
-		var raw = false;
-		
-		// interactive variables	
-		var highlights = [];	
-	
-		// add hook to determine if pie plugin in enabled, and then perform necessary operations
-		plot.hooks.processOptions.push(checkPieEnabled);
-		plot.hooks.bindEvents.push(bindEvents);	
-
-		// check to see if the pie plugin is enabled
-		function checkPieEnabled(plot, options)
-		{
-			if (options.series.pie.show)
-			{
-				//disable grid
-				options.grid.show = false;
-				
-				// set labels.show
-				if (options.series.pie.label.show=='auto')
-					if (options.legend.show)
-						options.series.pie.label.show = false;
-					else
-						options.series.pie.label.show = true;
-				
-				// set radius
-				if (options.series.pie.radius=='auto')
-					if (options.series.pie.label.show)
-						options.series.pie.radius = 3/4;
-					else
-						options.series.pie.radius = 1;
-						
-				// ensure sane tilt
-				if (options.series.pie.tilt>1)
-					options.series.pie.tilt=1;
-				if (options.series.pie.tilt<0)
-					options.series.pie.tilt=0;
-			
-				// add processData hook to do transformations on the data
-				plot.hooks.processDatapoints.push(processDatapoints);
-				plot.hooks.drawOverlay.push(drawOverlay);	
-				
-				// add draw hook
-				plot.hooks.draw.push(draw);
-			}
-		}
-	
-		// bind hoverable events
-		function bindEvents(plot, eventHolder) 		
-		{		
-			var options = plot.getOptions();
-			
-			if (options.series.pie.show && options.grid.hoverable)
-				eventHolder.unbind('mousemove').mousemove(onMouseMove);
-				
-			if (options.series.pie.show && options.grid.clickable)
-				eventHolder.unbind('click').click(onClick);
-		}	
-		
-
-		// debugging function that prints out an object
-		function alertObject(obj)
-		{
-			var msg = '';
-			function traverse(obj, depth)
-			{
-				if (!depth)
-					depth = 0;
-				for (var i = 0; i < obj.length; ++i)
-				{
-					for (var j=0; j<depth; j++)
-						msg += '\t';
-				
-					if( typeof obj[i] == "object")
-					{	// its an object
-						msg += ''+i+':\n';
-						traverse(obj[i], depth+1);
-					}
-					else
-					{	// its a value
-						msg += ''+i+': '+obj[i]+'\n';
-					}
-				}
-			}
-			traverse(obj);
-			alert(msg);
-		}
-		
-		function calcTotal(data)
-		{
-			for (var i = 0; i < data.length; ++i)
-			{
-				var item = parseFloat(data[i].data[0][1]);
-				if (item)
-					total += item;
-			}
-		}	
-		
-		function processDatapoints(plot, series, data, datapoints) 
-		{	
-			if (!processed)
-			{
-				processed = true;
-			
-				canvas = plot.getCanvas();
-				target = $(canvas).parent();
-				options = plot.getOptions();
-			
-				plot.setData(combine(plot.getData()));
-			}
-		}
-		
-		function setupPie()
-		{
-			legendWidth = target.children().filter('.legend').children().width();
-		
-			// calculate maximum radius and center point
-			maxRadius =  Math.min(canvas.width,(canvas.height/options.series.pie.tilt))/2;
-			centerTop = (canvas.height/2)+options.series.pie.offset.top;
-			centerLeft = (canvas.width/2);
-			
-			if (options.series.pie.offset.left=='auto')
-				if (options.legend.position.match('w'))
-					centerLeft += legendWidth/2;
-				else
-					centerLeft -= legendWidth/2;
-			else
-				centerLeft += options.series.pie.offset.left;
-					
-			if (centerLeft<maxRadius)
-				centerLeft = maxRadius;
-			else if (centerLeft>canvas.width-maxRadius)
-				centerLeft = canvas.width-maxRadius;
-		}
-		
-		function fixData(data)
-		{
-			for (var i = 0; i < data.length; ++i)
-			{
-				if (typeof(data[i].data)=='number')
-					data[i].data = [[1,data[i].data]];
-				else if (typeof(data[i].data)=='undefined' || typeof(data[i].data[0])=='undefined')
-				{
-					if (typeof(data[i].data)!='undefined' && typeof(data[i].data.label)!='undefined')
-						data[i].label = data[i].data.label; // fix weirdness coming from flot
-					data[i].data = [[1,0]];
-					
-				}
-			}
-			return data;
-		}
-		
-		function combine(data)
-		{
-			data = fixData(data);
-			calcTotal(data);
-			var combined = 0;
-			var numCombined = 0;
-			var color = options.series.pie.combine.color;
-			
-			var newdata = [];
-			for (var i = 0; i < data.length; ++i)
-			{
-				// make sure its a number
-				data[i].data[0][1] = parseFloat(data[i].data[0][1]);
-				if (!data[i].data[0][1])
-					data[i].data[0][1] = 0;
-					
-				if (data[i].data[0][1]/total<=options.series.pie.combine.threshold)
-				{
-					combined += data[i].data[0][1];
-					numCombined++;
-					if (!color)
-						color = data[i].color;
-				}				
-				else
-				{
-					newdata.push({
-						data: [[1,data[i].data[0][1]]], 
-						color: data[i].color, 
-						label: data[i].label,
-						angle: (data[i].data[0][1]*(Math.PI*2))/total,
-						percent: (data[i].data[0][1]/total*100)
-					});
-				}
-			}
-			if (numCombined>0)
-				newdata.push({
-					data: [[1,combined]], 
-					color: color, 
-					label: options.series.pie.combine.label,
-					angle: (combined*(Math.PI*2))/total,
-					percent: (combined/total*100)
-				});
-			return newdata;
-		}		
-		
-		function draw(plot, newCtx)
-		{
-			if (!target) return; // if no series were passed
-			ctx = newCtx;
-		
-			setupPie();
-			var slices = plot.getData();
-		
-			var attempts = 0;
-			while (redraw && attempts<redrawAttempts)
-			{
-				redraw = false;
-				if (attempts>0)
-					maxRadius *= shrink;
-				attempts += 1;
-				clear();
-				if (options.series.pie.tilt<=0.8)
-					drawShadow();
-				drawPie();
-			}
-			if (attempts >= redrawAttempts) {
-				clear();
-				target.prepend('<div class="error">Could not draw pie with labels contained inside canvas</div>');
-			}
-			
-			if ( plot.setSeries && plot.insertLegend )
-			{
-				plot.setSeries(slices);
-				plot.insertLegend();
-			}
-			
-			// we're actually done at this point, just defining internal functions at this point
-			
-			function clear()
-			{
-				ctx.clearRect(0,0,canvas.width,canvas.height);
-				target.children().filter('.pieLabel, .pieLabelBackground').remove();
-			}
-			
-			function drawShadow()
-			{
-				var shadowLeft = 5;
-				var shadowTop = 15;
-				var edge = 10;
-				var alpha = 0.02;
-			
-				// set radius
-				if (options.series.pie.radius>1)
-					var radius = options.series.pie.radius;
-				else
-					var radius = maxRadius * options.series.pie.radius;
-					
-				if (radius>=(canvas.width/2)-shadowLeft || radius*options.series.pie.tilt>=(canvas.height/2)-shadowTop || radius<=edge)
-					return;	// shadow would be outside canvas, so don't draw it
-			
-				ctx.save();
-				ctx.translate(shadowLeft,shadowTop);
-				ctx.globalAlpha = alpha;
-				ctx.fillStyle = '#000';
-
-				// center and rotate to starting position
-				ctx.translate(centerLeft,centerTop);
-				ctx.scale(1, options.series.pie.tilt);
-				
-				//radius -= edge;
-				for (var i=1; i<=edge; i++)
-				{
-					ctx.beginPath();
-					ctx.arc(0,0,radius,0,Math.PI*2,false);
-					ctx.fill();
-					radius -= i;
-				}	
-				
-				ctx.restore();
-			}
-			
-			function drawPie()
-			{
-				startAngle = Math.PI*options.series.pie.startAngle;
-				
-				// set radius
-				if (options.series.pie.radius>1)
-					var radius = options.series.pie.radius;
-				else
-					var radius = maxRadius * options.series.pie.radius;
-				
-				// center and rotate to starting position
-				ctx.save();
-				ctx.translate(centerLeft,centerTop);
-				ctx.scale(1, options.series.pie.tilt);
-				//ctx.rotate(startAngle); // start at top; -- This doesn't work properly in Opera
-				
-				// draw slices
-				ctx.save();
-				var currentAngle = startAngle;
-				for (var i = 0; i < slices.length; ++i)
-				{
-					slices[i].startAngle = currentAngle;
-					drawSlice(slices[i].angle, slices[i].color, true);
-				}
-				ctx.restore();
-				
-				// draw slice outlines
-				ctx.save();
-				ctx.lineWidth = options.series.pie.stroke.width;
-				currentAngle = startAngle;
-				for (var i = 0; i < slices.length; ++i)
-					drawSlice(slices[i].angle, options.series.pie.stroke.color, false);
-				ctx.restore();
-					
-				// draw donut hole
-				drawDonutHole(ctx);
-				
-				// draw labels
-				if (options.series.pie.label.show)
-					drawLabels();
-				
-				// restore to original state
-				ctx.restore();
-				
-				function drawSlice(angle, color, fill)
-				{	
-					if (angle<=0)
-						return;
-				
-					if (fill)
-						ctx.fillStyle = color;
-					else
-					{
-						ctx.strokeStyle = color;
-						ctx.lineJoin = 'round';
-					}
-						
-					ctx.beginPath();
-					if (Math.abs(angle - Math.PI*2) > 0.000000001)
-						ctx.moveTo(0,0); // Center of the pie
-					else if ($.browser.msie)
-						angle -= 0.0001;
-					//ctx.arc(0,0,radius,0,angle,false); // This doesn't work properly in Opera
-					ctx.arc(0,0,radius,currentAngle,currentAngle+angle,false);
-					ctx.closePath();
-					//ctx.rotate(angle); // This doesn't work properly in Opera
-					currentAngle += angle;
-					
-					if (fill)
-						ctx.fill();
-					else
-						ctx.stroke();
-				}
-				
-				function drawLabels()
-				{
-					var currentAngle = startAngle;
-					
-					// set radius
-					if (options.series.pie.label.radius>1)
-						var radius = options.series.pie.label.radius;
-					else
-						var radius = maxRadius * options.series.pie.label.radius;
-					
-					for (var i = 0; i < slices.length; ++i)
-					{
-						if (slices[i].percent >= options.series.pie.label.threshold*100)
-							drawLabel(slices[i], currentAngle, i);
-						currentAngle += slices[i].angle;
-					}
-					
-					function drawLabel(slice, startAngle, index)
-					{
-						if (slice.data[0][1]==0)
-							return;
-							
-						// format label text
-						var lf = options.legend.labelFormatter, text, plf = options.series.pie.label.formatter;
-						if (lf)
-							text = lf(slice.label, slice);
-						else
-							text = slice.label;
-						if (plf)
-							text = plf(text, slice);
-							
-						var halfAngle = ((startAngle+slice.angle) + startAngle)/2;
-						var x = centerLeft + Math.round(Math.cos(halfAngle) * radius);
-						var y = centerTop + Math.round(Math.sin(halfAngle) * radius) * options.series.pie.tilt;
-						
-						var html = '<span class="pieLabel" id="pieLabel'+index+'" style="position:absolute;top:' + y + 'px;left:' + x + 'px;">' + text + "</span>";
-						target.append(html);
-						var label = target.children('#pieLabel'+index);
-						var labelTop = (y - label.height()/2);
-						var labelLeft = (x - label.width()/2);
-						label.css('top', labelTop);
-						label.css('left', labelLeft);
-						
-						// check to make sure that the label is not outside the canvas
-						if (0-labelTop>0 || 0-labelLeft>0 || canvas.height-(labelTop+label.height())<0 || canvas.width-(labelLeft+label.width())<0)
-							redraw = true;
-						
-						if (options.series.pie.label.background.opacity != 0) {
-							// put in the transparent background separately to avoid blended labels and label boxes
-							var c = options.series.pie.label.background.color;
-							if (c == null) {
-								c = slice.color;
-							}
-							var pos = 'top:'+labelTop+'px;left:'+labelLeft+'px;';
-							$('<div class="pieLabelBackground" style="position:absolute;width:' + label.width() + 'px;height:' + label.height() + 'px;' + pos +'background-color:' + c + ';"> </div>').insertBefore(label).css('opacity', options.series.pie.label.background.opacity);
-						}
-					} // end individual label function
-				} // end drawLabels function
-			} // end drawPie function
-		} // end draw function
-		
-		// Placed here because it needs to be accessed from multiple locations 
-		function drawDonutHole(layer)
-		{
-			// draw donut hole
-			if(options.series.pie.innerRadius > 0)
-			{
-				// subtract the center
-				layer.save();
-				innerRadius = options.series.pie.innerRadius > 1 ? options.series.pie.innerRadius : maxRadius * options.series.pie.innerRadius;
-				layer.globalCompositeOperation = 'destination-out'; // this does not work with excanvas, but it will fall back to using the stroke color
-				layer.beginPath();
-				layer.fillStyle = options.series.pie.stroke.color;
-				layer.arc(0,0,innerRadius,0,Math.PI*2,false);
-				layer.fill();
-				layer.closePath();
-				layer.restore();
-				
-				// add inner stroke
-				layer.save();
-				layer.beginPath();
-				layer.strokeStyle = options.series.pie.stroke.color;
-				layer.arc(0,0,innerRadius,0,Math.PI*2,false);
-				layer.stroke();
-				layer.closePath();
-				layer.restore();
-				// TODO: add extra shadow inside hole (with a mask) if the pie is tilted.
-			}
-		}
-		
-		//-- Additional Interactive related functions --
-		
-		function isPointInPoly(poly, pt)
-		{
-			for(var c = false, i = -1, l = poly.length, j = l - 1; ++i < l; j = i)
-				((poly[i][1] <= pt[1] && pt[1] < poly[j][1]) || (poly[j][1] <= pt[1] && pt[1]< poly[i][1]))
-				&& (pt[0] < (poly[j][0] - poly[i][0]) * (pt[1] - poly[i][1]) / (poly[j][1] - poly[i][1]) + poly[i][0])
-				&& (c = !c);
-			return c;
-		}
-		
-		function findNearbySlice(mouseX, mouseY)
-		{
-			var slices = plot.getData(),
-				options = plot.getOptions(),
-				radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius;
-			
-			for (var i = 0; i < slices.length; ++i) 
-			{
-				var s = slices[i];	
-				
-				if(s.pie.show)
-				{
-					ctx.save();
-					ctx.beginPath();
-					ctx.moveTo(0,0); // Center of the pie
-					//ctx.scale(1, options.series.pie.tilt);	// this actually seems to break everything when here.
-					ctx.arc(0,0,radius,s.startAngle,s.startAngle+s.angle,false);
-					ctx.closePath();
-					x = mouseX-centerLeft;
-					y = mouseY-centerTop;
-					if(ctx.isPointInPath)
-					{
-						if (ctx.isPointInPath(mouseX-centerLeft, mouseY-centerTop))
-						{
-							//alert('found slice!');
-							ctx.restore();
-							return {datapoint: [s.percent, s.data], dataIndex: 0, series: s, seriesIndex: i};
-						}
-					}
-					else
-					{
-						// excanvas for IE doesn;t support isPointInPath, this is a workaround. 
-						p1X = (radius * Math.cos(s.startAngle));
-						p1Y = (radius * Math.sin(s.startAngle));
-						p2X = (radius * Math.cos(s.startAngle+(s.angle/4)));
-						p2Y = (radius * Math.sin(s.startAngle+(s.angle/4)));
-						p3X = (radius * Math.cos(s.startAngle+(s.angle/2)));
-						p3Y = (radius * Math.sin(s.startAngle+(s.angle/2)));
-						p4X = (radius * Math.cos(s.startAngle+(s.angle/1.5)));
-						p4Y = (radius * Math.sin(s.startAngle+(s.angle/1.5)));
-						p5X = (radius * Math.cos(s.startAngle+s.angle));
-						p5Y = (radius * Math.sin(s.startAngle+s.angle));
-						arrPoly = [[0,0],[p1X,p1Y],[p2X,p2Y],[p3X,p3Y],[p4X,p4Y],[p5X,p5Y]];
-						arrPoint = [x,y];
-						// TODO: perhaps do some mathmatical trickery here with the Y-coordinate to compensate for pie tilt?
-						if(isPointInPoly(arrPoly, arrPoint))
-						{
-							ctx.restore();
-							return {datapoint: [s.percent, s.data], dataIndex: 0, series: s, seriesIndex: i};
-						}			
-					}
-					ctx.restore();
-				}
-			}
-			
-			return null;
-		}
-
-		function onMouseMove(e) 
-		{
-			triggerClickHoverEvent('plothover', e);
-		}
-		
-        function onClick(e) 
-		{
-			triggerClickHoverEvent('plotclick', e);
-        }
-
-		// trigger click or hover event (they send the same parameters so we share their code)
-		function triggerClickHoverEvent(eventname, e) 
-		{
-			var offset = plot.offset(),
-				canvasX = parseInt(e.pageX - offset.left),
-				canvasY =  parseInt(e.pageY - offset.top),
-				item = findNearbySlice(canvasX, canvasY);
-			
-			if (options.grid.autoHighlight) 
-			{
-				// clear auto-highlights
-				for (var i = 0; i < highlights.length; ++i) 
-				{
-					var h = highlights[i];
-					if (h.auto == eventname && !(item && h.series == item.series))
-						unhighlight(h.series);
-				}
-			}
-			
-			// highlight the slice
-			if (item) 
-			    highlight(item.series, eventname);
-				
-			// trigger any hover bind events
-			var pos = { pageX: e.pageX, pageY: e.pageY };
-			target.trigger(eventname, [ pos, item ]);	
-		}
-
-		function highlight(s, auto) 
-		{
-			if (typeof s == "number")
-				s = series[s];
-
-			var i = indexOfHighlight(s);
-			if (i == -1) 
-			{
-				highlights.push({ series: s, auto: auto });
-				plot.triggerRedrawOverlay();
-			}
-			else if (!auto)
-				highlights[i].auto = false;
-		}
-
-		function unhighlight(s) 
-		{
-			if (s == null) 
-			{
-				highlights = [];
-				plot.triggerRedrawOverlay();
-			}
-			
-			if (typeof s == "number")
-				s = series[s];
-
-			var i = indexOfHighlight(s);
-			if (i != -1) 
-			{
-				highlights.splice(i, 1);
-				plot.triggerRedrawOverlay();
-			}
-		}
-
-		function indexOfHighlight(s) 
-		{
-			for (var i = 0; i < highlights.length; ++i) 
-			{
-				var h = highlights[i];
-				if (h.series == s)
-					return i;
-			}
-			return -1;
-		}
-
-		function drawOverlay(plot, octx) 
-		{
-			//alert(options.series.pie.radius);
-			var options = plot.getOptions();
-			//alert(options.series.pie.radius);
-			
-			var radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius;
-
-			octx.save();
-			octx.translate(centerLeft, centerTop);
-			octx.scale(1, options.series.pie.tilt);
-			
-			for (i = 0; i < highlights.length; ++i) 
-				drawHighlight(highlights[i].series);
-			
-			drawDonutHole(octx);
-
-			octx.restore();
-
-			function drawHighlight(series) 
-			{
-				if (series.angle < 0) return;
-				
-				//octx.fillStyle = parseColor(options.series.pie.highlight.color).scale(null, null, null, options.series.pie.highlight.opacity).toString();
-				octx.fillStyle = "rgba(255, 255, 255, "+options.series.pie.highlight.opacity+")"; // this is temporary until we have access to parseColor
-				
-				octx.beginPath();
-				if (Math.abs(series.angle - Math.PI*2) > 0.000000001)
-					octx.moveTo(0,0); // Center of the pie
-				octx.arc(0,0,radius,series.startAngle,series.startAngle+series.angle,false);
-				octx.closePath();
-				octx.fill();
-			}
-			
-		}	
-		
-	} // end init (plugin body)
-	
-	// define pie specific options and their default values
-	var options = {
-		series: {
-			pie: {
-				show: false,
-				radius: 'auto',	// actual radius of the visible pie (based on full calculated radius if <=1, or hard pixel value)
-				innerRadius:0, /* for donut */
-				startAngle: 3/2,
-				tilt: 1,
-				offset: {
-					top: 0,
-					left: 'auto'
-				},
-				stroke: {
-					color: '#FFF',
-					width: 1
-				},
-				label: {
-					show: 'auto',
-					formatter: function(label, slice){
-						return '<div style="font-size:x-small;text-align:center;padding:2px;color:'+slice.color+';">'+label+'<br/>'+Math.round(slice.percent)+'%</div>';
-					},	// formatter function
-					radius: 1,	// radius at which to place the labels (based on full calculated radius if <=1, or hard pixel value)
-					background: {
-						color: null,
-						opacity: 0
-					},
-					threshold: 0	// percentage at which to hide the label (i.e. the slice is too narrow)
-				},
-				combine: {
-					threshold: -1,	// percentage at which to combine little slices into one larger slice
-					color: null,	// color to give the new slice (auto-generated if null)
-					label: 'Other'	// label to give the new slice
-				},
-				highlight: {
-					//color: '#FFF',		// will add this functionality once parseColor is available
-					opacity: 0.5
-				}
-			}
-		}
-	};
-    
-	$.plot.plugins.push({
-		init: init,
-		options: options,
-		name: "pie",
-		version: "1.0"
-	});
-})(jQuery);


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