上传后台管理系统代码

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/* The MIT License
Copyright (c) 2011 by Michael Zinsmaier and nergal.dev
Copyright (c) 2012 by Thomas Ritou
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
/*
____________________________________________________
what it is:
____________________________________________________
curvedLines is a plugin for flot, that tries to display lines in a smoother way.
The plugin is based on nergal.dev's work https://code.google.com/p/flot/issues/detail?id=226
and further extended with a mode that forces the min/max points of the curves to be on the
points. Both modes are achieved through adding of more data points
=> 1) with large data sets you may get trouble
=> 2) if you want to display the points too, you have to plot them as 2nd data series over the lines
&& 3) consecutive x data points are not allowed to have the same value
This is version 0.5 of curvedLines so it will probably not work in every case. However
the basic form of use descirbed next works (:
Feel free to further improve the code
____________________________________________________
how to use it:
____________________________________________________
var d1 = [[5,5],[7,3],[9,12]];
var options = { series: { curvedLines: { active: true }}};
$.plot($("#placeholder"), [{data = d1, lines: { show: true}, curvedLines: {apply: true}}], options);
_____________________________________________________
options:
_____________________________________________________
active: bool true => plugin can be used
apply: bool true => series will be drawn as curved line
fit: bool true => forces the max,mins of the curve to be on the datapoints
curvePointFactor int defines how many "virtual" points are used per "real" data point to
emulate the curvedLines (points total = real points * curvePointFactor)
fitPointDist: int defines the x axis distance of the additional two points that are used
to enforce the min max condition.
+ line options (since v0.5 curved lines use flots line implementation for drawing
=> line options like fill, show ... are supported out of the box)
*/
/*
* v0.1 initial commit
* v0.15 negative values should work now (outcommented a negative -> 0 hook hope it does no harm)
* v0.2 added fill option (thanks to monemihir) and multi axis support (thanks to soewono effendi)
* v0.3 improved saddle handling and added basic handling of Dates
* v0.4 rewritten fill option (thomas ritou) mostly from original flot code (now fill between points rather than to graph bottom), corrected fill Opacity bug
* v0.5 rewritten instead of implementing a own draw function CurvedLines is now based on the processDatapoints flot hook (credits go to thomas ritou).
* This change breakes existing code however CurvedLines are now just many tiny straight lines to flot and therefore all flot lines options (like gradient fill,
* shadow) are now supported out of the box
* v0.6 flot 0.8 compatibility and some bug fixes
*/
(function($) {
var options = {
series : {
curvedLines : {
active : false,
apply: false,
fit : false,
curvePointFactor : 20,
fitPointDist : undefined
}
}
};
function init(plot) {
plot.hooks.processOptions.push(processOptions);
//if the plugin is active register processDatapoints method
function processOptions(plot, options) {
if (options.series.curvedLines.active) {
plot.hooks.processDatapoints.unshift(processDatapoints);
}
}
//only if the plugin is active
function processDatapoints(plot, series, datapoints) {
var nrPoints = datapoints.points.length / datapoints.pointsize;
var EPSILON = 0.5; //pretty large epsilon but save
if (series.curvedLines.apply == true && series.originSeries === undefined && nrPoints > (1 + EPSILON)) {
if (series.lines.fill) {
var pointsTop = calculateCurvePoints(datapoints, series.curvedLines, 1)
,pointsBottom = calculateCurvePoints(datapoints, series.curvedLines, 2); //flot makes sure for us that we've got a second y point if fill is true !
//Merge top and bottom curve
datapoints.pointsize = 3;
datapoints.points = [];
var j = 0;
var k = 0;
var i = 0;
var ps = 2;
while (i < pointsTop.length || j < pointsBottom.length) {
if (pointsTop[i] == pointsBottom[j]) {
datapoints.points[k] = pointsTop[i];
datapoints.points[k + 1] = pointsTop[i + 1];
datapoints.points[k + 2] = pointsBottom[j + 1];
j += ps;
i += ps;
} else if (pointsTop[i] < pointsBottom[j]) {
datapoints.points[k] = pointsTop[i];
datapoints.points[k + 1] = pointsTop[i + 1];
datapoints.points[k + 2] = k > 0 ? datapoints.points[k-1] : null;
i += ps;
} else {
datapoints.points[k] = pointsBottom[j];
datapoints.points[k + 1] = k > 1 ? datapoints.points[k-2] : null;
datapoints.points[k + 2] = pointsBottom[j + 1];
j += ps;
}
k += 3;
}
} else if (series.lines.lineWidth > 0) {
datapoints.points = calculateCurvePoints(datapoints, series.curvedLines, 1);
datapoints.pointsize = 2;
}
}
}
//no real idea whats going on here code mainly from https://code.google.com/p/flot/issues/detail?id=226
//if fit option is selected additional datapoints get inserted before the curve calculations in nergal.dev s code.
function calculateCurvePoints(datapoints, curvedLinesOptions, yPos) {
var points = datapoints.points, ps = datapoints.pointsize;
var num = curvedLinesOptions.curvePointFactor * (points.length / ps);
var xdata = new Array;
var ydata = new Array;
var curX = -1;
var curY = -1;
var j = 0;
if (curvedLinesOptions.fit) {
//insert a point before and after the "real" data point to force the line
//to have a max,min at the data point.
var fpDist;
if(typeof curvedLinesOptions.fitPointDist == 'undefined') {
//estimate it
var minX = points[0];
var maxX = points[points.length-ps];
fpDist = (maxX - minX) / (500 * 100); //x range / (estimated pixel length of placeholder * factor)
} else {
//use user defined value
fpDist = curvedLinesOptions.fitPointDist;
}
for (var i = 0; i < points.length; i += ps) {
var frontX;
var backX;
curX = i;
curY = i + yPos;
//add point X s
frontX = points[curX] - fpDist;
backX = points[curX] + fpDist;
var factor = 2;
while (frontX == points[curX] || backX == points[curX]) {
//inside the ulp
frontX = points[curX] - (fpDist * factor);
backX = points[curX] + (fpDist * factor);
factor++;
}
//add curve points
xdata[j] = frontX;
ydata[j] = points[curY];
j++;
xdata[j] = points[curX];
ydata[j] = points[curY];
j++;
xdata[j] = backX;
ydata[j] = points[curY];
j++;
}
} else {
//just use the datapoints
for (var i = 0; i < points.length; i += ps) {
curX = i;
curY = i + yPos;
xdata[j] = points[curX];
ydata[j] = points[curY];
j++;
}
}
var n = xdata.length;
var y2 = new Array();
var delta = new Array();
y2[0] = 0;
y2[n - 1] = 0;
delta[0] = 0;
for (var i = 1; i < n - 1; ++i) {
var d = (xdata[i + 1] - xdata[i - 1]);
if (d == 0) {
//point before current point and after current point need some space in between
return [];
}
var s = (xdata[i] - xdata[i - 1]) / d;
var p = s * y2[i - 1] + 2;
y2[i] = (s - 1) / p;
delta[i] = (ydata[i + 1] - ydata[i]) / (xdata[i + 1] - xdata[i]) - (ydata[i] - ydata[i - 1]) / (xdata[i] - xdata[i - 1]);
delta[i] = (6 * delta[i] / (xdata[i + 1] - xdata[i - 1]) - s * delta[i - 1]) / p;
}
for (var j = n - 2; j >= 0; --j) {
y2[j] = y2[j] * y2[j + 1] + delta[j];
}
// xmax - xmin / #points
var step = (xdata[n - 1] - xdata[0]) / (num - 1);
var xnew = new Array;
var ynew = new Array;
var result = new Array;
xnew[0] = xdata[0];
ynew[0] = ydata[0];
result.push(xnew[0]);
result.push(ynew[0]);
for ( j = 1; j < num; ++j) {
//new x point (sampling point for the created curve)
xnew[j] = xnew[0] + j * step;
var max = n - 1;
var min = 0;
while (max - min > 1) {
var k = Math.round((max + min) / 2);
if (xdata[k] > xnew[j]) {
max = k;
} else {
min = k;
}
}
//found point one to the left and one to the right of generated new point
var h = (xdata[max] - xdata[min]);
if (h == 0) {
//similar to above two points from original x data need some space between them
return [];
}
var a = (xdata[max] - xnew[j]) / h;
var b = (xnew[j] - xdata[min]) / h;
ynew[j] = a * ydata[min] + b * ydata[max] + ((a * a * a - a) * y2[min] + (b * b * b - b) * y2[max]) * (h * h) / 6;
result.push(xnew[j]);
result.push(ynew[j]);
}
return result;
}
}//end init
$.plot.plugins.push({
init : init,
options : options,
name : 'curvedLines',
version : '0.5'
});
})(jQuery);

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/*
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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/* Flot plugin for automatically redrawing plots as the placeholder resizes.
Copyright (c) 2007-2013 IOLA and Ole Laursen.
Licensed under the MIT license.
It works by listening for changes on the placeholder div (through the jQuery
resize event plugin) - if the size changes, it will redraw the plot.
There are no options. If you need to disable the plugin for some plots, you
can just fix the size of their placeholders.
*/
/* Inline dependency:
* jQuery resize event - v1.1 - 3/14/2010
* http://benalman.com/projects/jquery-resize-plugin/
*
* Copyright (c) 2010 "Cowboy" Ben Alman
* Dual licensed under the MIT and GPL licenses.
* http://benalman.com/about/license/
*/
(function($,h,c){var a=$([]),e=$.resize=$.extend($.resize,{}),i,k="setTimeout",j="resize",d=j+"-special-event",b="delay",f="throttleWindow";e[b]=250;e[f]=true;$.event.special[j]={setup:function(){if(!e[f]&&this[k]){return false}var l=$(this);a=a.add(l);$.data(this,d,{w:l.width(),h:l.height()});if(a.length===1){g()}},teardown:function(){if(!e[f]&&this[k]){return false}var l=$(this);a=a.not(l);l.removeData(d);if(!a.length){clearTimeout(i)}},add:function(l){if(!e[f]&&this[k]){return false}var n;function m(s,o,p){var q=$(this),r=$.data(this,d);r.w=o!==c?o:q.width();r.h=p!==c?p:q.height();n.apply(this,arguments)}if($.isFunction(l)){n=l;return m}else{n=l.handler;l.handler=m}}};function g(){i=h[k](function(){a.each(function(){var n=$(this),m=n.width(),l=n.height(),o=$.data(this,d);if(m!==o.w||l!==o.h){n.trigger(j,[o.w=m,o.h=l])}});g()},e[b])}})(jQuery,this);
(function ($) {
var options = { }; // no options
function init(plot) {
function onResize() {
var placeholder = plot.getPlaceholder();
// somebody might have hidden us and we can't plot
// when we don't have the dimensions
if (placeholder.width() == 0 || placeholder.height() == 0)
return;
plot.resize();
plot.setupGrid();
plot.draw();
}
function bindEvents(plot, eventHolder) {
plot.getPlaceholder().resize(onResize);
}
function shutdown(plot, eventHolder) {
plot.getPlaceholder().unbind("resize", onResize);
}
plot.hooks.bindEvents.push(bindEvents);
plot.hooks.shutdown.push(shutdown);
}
$.plot.plugins.push({
init: init,
options: options,
name: 'resize',
version: '1.0'
});
})(jQuery);

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/**
* Flot plugin that provides spline interpolation for line graphs
* author: Alex Bardas < alex.bardas@gmail.com >
* modified by: Avi Kohn https://github.com/AMKohn
* based on the spline interpolation described at:
* http://scaledinnovation.com/analytics/splines/aboutSplines.html
*
* Example usage: (add in plot options series object)
* for linespline:
* series: {
* ...
* lines: {
* show: false
* },
* splines: {
* show: true,
* tension: x, (float between 0 and 1, defaults to 0.5),
* lineWidth: y (number, defaults to 2),
* fill: z (float between 0 .. 1 or false, as in flot documentation)
* },
* ...
* }
* areaspline:
* series: {
* ...
* lines: {
* show: true,
* lineWidth: 0, (line drawing will not execute)
* fill: x, (float between 0 .. 1, as in flot documentation)
* ...
* },
* splines: {
* show: true,
* tension: 0.5 (float between 0 and 1)
* },
* ...
* }
*
*/
(function($) {
'use strict'
/**
* @param {Number} x0, y0, x1, y1: coordinates of the end (knot) points of the segment
* @param {Number} x2, y2: the next knot (not connected, but needed to calculate p2)
* @param {Number} tension: control how far the control points spread
* @return {Array}: p1 -> control point, from x1 back toward x0
* p2 -> the next control point, returned to become the next segment's p1
*
* @api private
*/
function getControlPoints(x0, y0, x1, y1, x2, y2, tension) {
var pow = Math.pow,
sqrt = Math.sqrt,
d01, d12, fa, fb, p1x, p1y, p2x, p2y;
// Scaling factors: distances from this knot to the previous and following knots.
d01 = sqrt(pow(x1 - x0, 2) + pow(y1 - y0, 2));
d12 = sqrt(pow(x2 - x1, 2) + pow(y2 - y1, 2));
fa = tension * d01 / (d01 + d12);
fb = tension - fa;
p1x = x1 + fa * (x0 - x2);
p1y = y1 + fa * (y0 - y2);
p2x = x1 - fb * (x0 - x2);
p2y = y1 - fb * (y0 - y2);
return [p1x, p1y, p2x, p2y];
}
var line = [];
function drawLine(points, ctx, height, fill, seriesColor) {
var c = $.color.parse(seriesColor);
c.a = typeof fill == "number" ? fill : .3;
c.normalize();
c = c.toString();
ctx.beginPath();
ctx.moveTo(points[0][0], points[0][1]);
var plength = points.length;
for (var i = 0; i < plength; i++) {
ctx[points[i][3]].apply(ctx, points[i][2]);
}
ctx.stroke();
ctx.lineWidth = 0;
ctx.lineTo(points[plength - 1][0], height);
ctx.lineTo(points[0][0], height);
ctx.closePath();
if (fill !== false) {
ctx.fillStyle = c;
ctx.fill();
}
}
/**
* @param {Object} ctx: canvas context
* @param {String} type: accepted strings: 'bezier' or 'quadratic' (defaults to quadratic)
* @param {Array} points: 2 points for which to draw the interpolation
* @param {Array} cpoints: control points for those segment points
*
* @api private
*/
function queue(ctx, type, points, cpoints) {
if (type === void 0 || (type !== 'bezier' && type !== 'quadratic')) {
type = 'quadratic';
}
type = type + 'CurveTo';
if (line.length == 0) line.push([points[0], points[1], cpoints.concat(points.slice(2)), type]);
else if (type == "quadraticCurveTo" && points.length == 2) {
cpoints = cpoints.slice(0, 2).concat(points);
line.push([points[0], points[1], cpoints, type]);
}
else line.push([points[2], points[3], cpoints.concat(points.slice(2)), type]);
}
/**
* @param {Object} plot
* @param {Object} ctx: canvas context
* @param {Object} series
*
* @api private
*/
function drawSpline(plot, ctx, series) {
// Not interested if spline is not requested
if (series.splines.show !== true) {
return;
}
var cp = [],
// array of control points
tension = series.splines.tension || 0.5,
idx, x, y, points = series.datapoints.points,
ps = series.datapoints.pointsize,
plotOffset = plot.getPlotOffset(),
len = points.length,
pts = [];
line = [];
// Cannot display a linespline/areaspline if there are less than 3 points
if (len / ps < 4) {
$.extend(series.lines, series.splines);
return;
}
for (idx = 0; idx < len; idx += ps) {
x = points[idx];
y = points[idx + 1];
if (x == null || x < series.xaxis.min || x > series.xaxis.max || y < series.yaxis.min || y > series.yaxis.max) {
continue;
}
pts.push(series.xaxis.p2c(x) + plotOffset.left, series.yaxis.p2c(y) + plotOffset.top);
}
len = pts.length;
// Draw an open curve, not connected at the ends
for (idx = 0; idx < len - 2; idx += 2) {
cp = cp.concat(getControlPoints.apply(this, pts.slice(idx, idx + 6).concat([tension])));
}
ctx.save();
ctx.strokeStyle = series.color;
ctx.lineWidth = series.splines.lineWidth;
queue(ctx, 'quadratic', pts.slice(0, 4), cp.slice(0, 2));
for (idx = 2; idx < len - 3; idx += 2) {
queue(ctx, 'bezier', pts.slice(idx, idx + 4), cp.slice(2 * idx - 2, 2 * idx + 2));
}
queue(ctx, 'quadratic', pts.slice(len - 2, len), [cp[2 * len - 10], cp[2 * len - 9], pts[len - 4], pts[len - 3]]);
drawLine(line, ctx, plot.height() + 10, series.splines.fill, series.color);
ctx.restore();
}
$.plot.plugins.push({
init: function(plot) {
plot.hooks.drawSeries.push(drawSpline);
},
options: {
series: {
splines: {
show: false,
lineWidth: 2,
tension: 0.5,
fill: false
}
}
},
name: 'spline',
version: '0.8.2'
});
})(jQuery);

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/* Flot plugin that adds some extra symbols for plotting points.
Copyright (c) 2007-2014 IOLA and Ole Laursen.
Licensed under the MIT license.
The symbols are accessed as strings through the standard symbol options:
series: {
points: {
symbol: "square" // or "diamond", "triangle", "cross"
}
}
*/
(function ($) {
function processRawData(plot, series, datapoints) {
// we normalize the area of each symbol so it is approximately the
// same as a circle of the given radius
var handlers = {
square: function (ctx, x, y, radius, shadow) {
// pi * r^2 = (2s)^2 => s = r * sqrt(pi)/2
var size = radius * Math.sqrt(Math.PI) / 2;
ctx.rect(x - size, y - size, size + size, size + size);
},
diamond: function (ctx, x, y, radius, shadow) {
// pi * r^2 = 2s^2 => s = r * sqrt(pi/2)
var size = radius * Math.sqrt(Math.PI / 2);
ctx.moveTo(x - size, y);
ctx.lineTo(x, y - size);
ctx.lineTo(x + size, y);
ctx.lineTo(x, y + size);
ctx.lineTo(x - size, y);
},
triangle: function (ctx, x, y, radius, shadow) {
// pi * r^2 = 1/2 * s^2 * sin (pi / 3) => s = r * sqrt(2 * pi / sin(pi / 3))
var size = radius * Math.sqrt(2 * Math.PI / Math.sin(Math.PI / 3));
var height = size * Math.sin(Math.PI / 3);
ctx.moveTo(x - size/2, y + height/2);
ctx.lineTo(x + size/2, y + height/2);
if (!shadow) {
ctx.lineTo(x, y - height/2);
ctx.lineTo(x - size/2, y + height/2);
}
},
cross: function (ctx, x, y, radius, shadow) {
// pi * r^2 = (2s)^2 => s = r * sqrt(pi)/2
var size = radius * Math.sqrt(Math.PI) / 2;
ctx.moveTo(x - size, y - size);
ctx.lineTo(x + size, y + size);
ctx.moveTo(x - size, y + size);
ctx.lineTo(x + size, y - size);
}
};
var s = series.points.symbol;
if (handlers[s])
series.points.symbol = handlers[s];
}
function init(plot) {
plot.hooks.processDatapoints.push(processRawData);
}
$.plot.plugins.push({
init: init,
name: 'symbols',
version: '1.0'
});
})(jQuery);

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/*
* jquery.flot.tooltip
*
* description: easy-to-use tooltips for Flot charts
* version: 0.6.2
* author: Krzysztof Urbas @krzysu [myviews.pl]
* website: https://github.com/krzysu/flot.tooltip
*
* build on 2013-09-30
* released under MIT License, 2012
*/
(function(t){var o={tooltip:!1,tooltipOpts:{content:"%s | X: %x | Y: %y",xDateFormat:null,yDateFormat:null,shifts:{x:10,y:20},defaultTheme:!0,onHover:function(){}}},i=function(t){this.tipPosition={x:0,y:0},this.init(t)};i.prototype.init=function(o){function i(t){var o={};o.x=t.pageX,o.y=t.pageY,s.updateTooltipPosition(o)}function e(t,o,i){var e=s.getDomElement();if(i){var n;n=s.stringFormat(s.tooltipOptions.content,i),e.html(n),s.updateTooltipPosition({x:o.pageX,y:o.pageY}),e.css({left:s.tipPosition.x+s.tooltipOptions.shifts.x,top:s.tipPosition.y+s.tooltipOptions.shifts.y}).show(),"function"==typeof s.tooltipOptions.onHover&&s.tooltipOptions.onHover(i,e)}else e.hide().html("")}var s=this;o.hooks.bindEvents.push(function(o,n){s.plotOptions=o.getOptions(),s.plotOptions.tooltip!==!1&&void 0!==s.plotOptions.tooltip&&(s.tooltipOptions=s.plotOptions.tooltipOpts,s.getDomElement(),t(o.getPlaceholder()).bind("plothover",e),t(n).bind("mousemove",i))}),o.hooks.shutdown.push(function(o,s){t(o.getPlaceholder()).unbind("plothover",e),t(s).unbind("mousemove",i)})},i.prototype.getDomElement=function(){var o;return t("#flotTip").length>0?o=t("#flotTip"):(o=t("<div />").attr("id","flotTip"),o.appendTo("body").hide().css({position:"absolute"}),this.tooltipOptions.defaultTheme&&o.css({background:"#fff","z-index":"100",padding:"0.4em 0.6em","border-radius":"0.5em","font-size":"0.8em",border:"1px solid #111",display:"none","white-space":"nowrap"})),o},i.prototype.updateTooltipPosition=function(o){var i=t("#flotTip").outerWidth()+this.tooltipOptions.shifts.x,e=t("#flotTip").outerHeight()+this.tooltipOptions.shifts.y;o.x-t(window).scrollLeft()>t(window).innerWidth()-i&&(o.x-=i),o.y-t(window).scrollTop()>t(window).innerHeight()-e&&(o.y-=e),this.tipPosition.x=o.x,this.tipPosition.y=o.y},i.prototype.stringFormat=function(t,o){var i=/%p\.{0,1}(\d{0,})/,e=/%s/,s=/%x\.{0,1}(?:\d{0,})/,n=/%y\.{0,1}(?:\d{0,})/;return"function"==typeof t&&(t=t(o.series.label,o.series.data[o.dataIndex][0],o.series.data[o.dataIndex][1],o)),o.series.percent!==void 0&&(t=this.adjustValPrecision(i,t,o.series.percent)),o.series.label!==void 0&&(t=t.replace(e,o.series.label)),this.isTimeMode("xaxis",o)&&this.isXDateFormat(o)&&(t=t.replace(s,this.timestampToDate(o.series.data[o.dataIndex][0],this.tooltipOptions.xDateFormat))),this.isTimeMode("yaxis",o)&&this.isYDateFormat(o)&&(t=t.replace(n,this.timestampToDate(o.series.data[o.dataIndex][1],this.tooltipOptions.yDateFormat))),"number"==typeof o.series.data[o.dataIndex][0]&&(t=this.adjustValPrecision(s,t,o.series.data[o.dataIndex][0])),"number"==typeof o.series.data[o.dataIndex][1]&&(t=this.adjustValPrecision(n,t,o.series.data[o.dataIndex][1])),o.series.xaxis.tickFormatter!==void 0&&(t=t.replace(s,o.series.xaxis.tickFormatter(o.series.data[o.dataIndex][0],o.series.xaxis))),o.series.yaxis.tickFormatter!==void 0&&(t=t.replace(n,o.series.yaxis.tickFormatter(o.series.data[o.dataIndex][1],o.series.yaxis))),t},i.prototype.isTimeMode=function(t,o){return o.series[t].options.mode!==void 0&&"time"===o.series[t].options.mode},i.prototype.isXDateFormat=function(){return this.tooltipOptions.xDateFormat!==void 0&&null!==this.tooltipOptions.xDateFormat},i.prototype.isYDateFormat=function(){return this.tooltipOptions.yDateFormat!==void 0&&null!==this.tooltipOptions.yDateFormat},i.prototype.timestampToDate=function(o,i){var e=new Date(o);return t.plot.formatDate(e,i)},i.prototype.adjustValPrecision=function(t,o,i){var e,s=o.match(t);return null!==s&&""!==RegExp.$1&&(e=RegExp.$1,i=i.toFixed(e),o=o.replace(t,i)),o};var e=function(t){new i(t)};t.plot.plugins.push({init:e,options:o,name:"tooltip",version:"0.6.1"})})(jQuery);