/
flotr2.nolibs.js
5865 lines (5030 loc) · 175 KB
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flotr2.nolibs.js
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/**
* Flotr2 (c) 2012 Carl Sutherland
* MIT License
* Special thanks to:
* Flotr: http://code.google.com/p/flotr/ (fork)
* Flot: https://github.com/flot/flot (original fork)
*/
(function () {
var
global = this,
previousFlotr = this.Flotr,
Flotr;
Flotr = {
_: _,
bean: bean,
isIphone: /iphone/i.test(navigator.userAgent),
isIE: (navigator.appVersion.indexOf("MSIE") != -1 ? parseFloat(navigator.appVersion.split("MSIE")[1]) : false),
/**
* An object of the registered graph types. Use Flotr.addType(type, object)
* to add your own type.
*/
graphTypes: {},
/**
* The list of the registered plugins
*/
plugins: {},
/**
* Can be used to add your own chart type.
* @param {String} name - Type of chart, like 'pies', 'bars' etc.
* @param {String} graphType - The object containing the basic drawing functions (draw, etc)
*/
addType: function(name, graphType){
Flotr.graphTypes[name] = graphType;
Flotr.defaultOptions[name] = graphType.options || {};
Flotr.defaultOptions.defaultType = Flotr.defaultOptions.defaultType || name;
},
/**
* Can be used to add a plugin
* @param {String} name - The name of the plugin
* @param {String} plugin - The object containing the plugin's data (callbacks, options, function1, function2, ...)
*/
addPlugin: function(name, plugin){
Flotr.plugins[name] = plugin;
Flotr.defaultOptions[name] = plugin.options || {};
},
/**
* Draws the graph. This function is here for backwards compatibility with Flotr version 0.1.0alpha.
* You could also draw graphs by directly calling Flotr.Graph(element, data, options).
* @param {Element} el - element to insert the graph into
* @param {Object} data - an array or object of dataseries
* @param {Object} options - an object containing options
* @param {Class} _GraphKlass_ - (optional) Class to pass the arguments to, defaults to Flotr.Graph
* @return {Object} returns a new graph object and of course draws the graph.
*/
draw: function(el, data, options, GraphKlass){
GraphKlass = GraphKlass || Flotr.Graph;
return new GraphKlass(el, data, options);
},
/**
* Recursively merges two objects.
* @param {Object} src - source object (likely the object with the least properties)
* @param {Object} dest - destination object (optional, object with the most properties)
* @return {Object} recursively merged Object
* @TODO See if we can't remove this.
*/
merge: function(src, dest){
var i, v, result = dest || {};
for (i in src) {
v = src[i];
if (v && typeof(v) === 'object') {
if (v.constructor === Array) {
result[i] = this._.clone(v);
} else if (
v.constructor !== RegExp &&
!this._.isElement(v) &&
!v.jquery
) {
result[i] = Flotr.merge(v, (dest ? dest[i] : undefined));
} else {
result[i] = v;
}
} else {
result[i] = v;
}
}
return result;
},
/**
* Recursively clones an object.
* @param {Object} object - The object to clone
* @return {Object} the clone
* @TODO See if we can't remove this.
*/
clone: function(object){
return Flotr.merge(object, {});
},
/**
* Function calculates the ticksize and returns it.
* @param {Integer} noTicks - number of ticks
* @param {Integer} min - lower bound integer value for the current axis
* @param {Integer} max - upper bound integer value for the current axis
* @param {Integer} decimals - number of decimals for the ticks
* @return {Integer} returns the ticksize in pixels
*/
getTickSize: function(noTicks, min, max, decimals){
var delta = (max - min) / noTicks,
magn = Flotr.getMagnitude(delta),
tickSize = 10,
norm = delta / magn; // Norm is between 1.0 and 10.0.
if(norm < 1.5) tickSize = 1;
else if(norm < 2.25) tickSize = 2;
else if(norm < 3) tickSize = ((decimals === 0) ? 2 : 2.5);
else if(norm < 7.5) tickSize = 5;
return tickSize * magn;
},
/**
* Default tick formatter.
* @param {String, Integer} val - tick value integer
* @param {Object} axisOpts - the axis' options
* @return {String} formatted tick string
*/
defaultTickFormatter: function(val, axisOpts){
return val+'';
},
/**
* Formats the mouse tracker values.
* @param {Object} obj - Track value Object {x:..,y:..}
* @return {String} Formatted track string
*/
defaultTrackFormatter: function(obj){
return '('+obj.x+', '+obj.y+')';
},
/**
* Utility function to convert file size values in bytes to kB, MB, ...
* @param value {Number} - The value to convert
* @param precision {Number} - The number of digits after the comma (default: 2)
* @param base {Number} - The base (default: 1000)
*/
engineeringNotation: function(value, precision, base){
var sizes = ['Y','Z','E','P','T','G','M','k',''],
fractionSizes = ['y','z','a','f','p','n','µ','m',''],
total = sizes.length;
base = base || 1000;
precision = Math.pow(10, precision || 2);
if (value === 0) return 0;
if (value > 1) {
while (total-- && (value >= base)) value /= base;
}
else {
sizes = fractionSizes;
total = sizes.length;
while (total-- && (value < 1)) value *= base;
}
return (Math.round(value * precision) / precision) + sizes[total];
},
/**
* Returns the magnitude of the input value.
* @param {Integer, Float} x - integer or float value
* @return {Integer, Float} returns the magnitude of the input value
*/
getMagnitude: function(x){
return Math.pow(10, Math.floor(Math.log(x) / Math.LN10));
},
toPixel: function(val){
return Math.floor(val)+0.5;//((val-Math.round(val) < 0.4) ? (Math.floor(val)-0.5) : val);
},
toRad: function(angle){
return -angle * (Math.PI/180);
},
floorInBase: function(n, base) {
return base * Math.floor(n / base);
},
drawText: function(ctx, text, x, y, style) {
if (!ctx.fillText) {
ctx.drawText(text, x, y, style);
return;
}
style = this._.extend({
size: Flotr.defaultOptions.fontSize,
color: '#000000',
textAlign: 'left',
textBaseline: 'bottom',
weight: 1,
angle: 0
}, style);
ctx.save();
ctx.translate(x, y);
ctx.rotate(style.angle);
ctx.fillStyle = style.color;
ctx.font = (style.weight > 1 ? "bold " : "") + (style.size*1.3) + "px sans-serif";
ctx.textAlign = style.textAlign;
ctx.textBaseline = style.textBaseline;
ctx.fillText(text, 0, 0);
ctx.restore();
},
getBestTextAlign: function(angle, style) {
style = style || {textAlign: 'center', textBaseline: 'middle'};
angle += Flotr.getTextAngleFromAlign(style);
if (Math.abs(Math.cos(angle)) > 10e-3)
style.textAlign = (Math.cos(angle) > 0 ? 'right' : 'left');
if (Math.abs(Math.sin(angle)) > 10e-3)
style.textBaseline = (Math.sin(angle) > 0 ? 'top' : 'bottom');
return style;
},
alignTable: {
'right middle' : 0,
'right top' : Math.PI/4,
'center top' : Math.PI/2,
'left top' : 3*(Math.PI/4),
'left middle' : Math.PI,
'left bottom' : -3*(Math.PI/4),
'center bottom': -Math.PI/2,
'right bottom' : -Math.PI/4,
'center middle': 0
},
getTextAngleFromAlign: function(style) {
return Flotr.alignTable[style.textAlign+' '+style.textBaseline] || 0;
},
noConflict : function () {
global.Flotr = previousFlotr;
return this;
}
};
global.Flotr = Flotr;
})();
/**
* Flotr Defaults
*/
Flotr.defaultOptions = {
colors: ['#00A8F0', '#C0D800', '#CB4B4B', '#4DA74D', '#9440ED'], //=> The default colorscheme. When there are > 5 series, additional colors are generated.
ieBackgroundColor: '#FFFFFF', // Background color for excanvas clipping
title: null, // => The graph's title
subtitle: null, // => The graph's subtitle
shadowSize: 4, // => size of the 'fake' shadow
defaultType: null, // => default series type
HtmlText: true, // => wether to draw the text using HTML or on the canvas
fontColor: '#545454', // => default font color
fontSize: 7.5, // => canvas' text font size
resolution: 1, // => resolution of the graph, to have printer-friendly graphs !
parseFloat: true, // => whether to preprocess data for floats (ie. if input is string)
preventDefault: true, // => preventDefault by default for mobile events. Turn off to enable scroll.
xaxis: {
ticks: null, // => format: either [1, 3] or [[1, 'a'], 3]
minorTicks: null, // => format: either [1, 3] or [[1, 'a'], 3]
showLabels: true, // => setting to true will show the axis ticks labels, hide otherwise
showMinorLabels: false,// => true to show the axis minor ticks labels, false to hide
labelsAngle: 0, // => labels' angle, in degrees
title: null, // => axis title
titleAngle: 0, // => axis title's angle, in degrees
noTicks: 5, // => number of ticks for automagically generated ticks
minorTickFreq: null, // => number of minor ticks between major ticks for autogenerated ticks
tickFormatter: Flotr.defaultTickFormatter, // => fn: number, Object -> string
tickDecimals: null, // => no. of decimals, null means auto
min: null, // => min. value to show, null means set automatically
max: null, // => max. value to show, null means set automatically
autoscale: false, // => Turns autoscaling on with true
autoscaleMargin: 0, // => margin in % to add if auto-setting min/max
color: null, // => color of the ticks
mode: 'normal', // => can be 'time' or 'normal'
timeFormat: null,
timeMode:'UTC', // => For UTC time ('local' for local time).
timeUnit:'millisecond',// => Unit for time (millisecond, second, minute, hour, day, month, year)
scaling: 'linear', // => Scaling, can be 'linear' or 'logarithmic'
base: Math.E,
titleAlign: 'center',
margin: true // => Turn off margins with false
},
x2axis: {},
yaxis: {
ticks: null, // => format: either [1, 3] or [[1, 'a'], 3]
minorTicks: null, // => format: either [1, 3] or [[1, 'a'], 3]
showLabels: true, // => setting to true will show the axis ticks labels, hide otherwise
showMinorLabels: false,// => true to show the axis minor ticks labels, false to hide
labelsAngle: 0, // => labels' angle, in degrees
title: null, // => axis title
titleAngle: 90, // => axis title's angle, in degrees
noTicks: 5, // => number of ticks for automagically generated ticks
minorTickFreq: null, // => number of minor ticks between major ticks for autogenerated ticks
tickFormatter: Flotr.defaultTickFormatter, // => fn: number, Object -> string
tickDecimals: null, // => no. of decimals, null means auto
min: null, // => min. value to show, null means set automatically
max: null, // => max. value to show, null means set automatically
autoscale: false, // => Turns autoscaling on with true
autoscaleMargin: 0, // => margin in % to add if auto-setting min/max
color: null, // => The color of the ticks
scaling: 'linear', // => Scaling, can be 'linear' or 'logarithmic'
base: Math.E,
titleAlign: 'center',
margin: true // => Turn off margins with false
},
y2axis: {
titleAngle: 270
},
grid: {
color: '#545454', // => primary color used for outline and labels
backgroundColor: null, // => null for transparent, else color
backgroundImage: null, // => background image. String or object with src, left and top
watermarkAlpha: 0.4, // =>
tickColor: '#DDDDDD', // => color used for the ticks
labelMargin: 3, // => margin in pixels
verticalLines: true, // => whether to show gridlines in vertical direction
minorVerticalLines: null, // => whether to show gridlines for minor ticks in vertical dir.
horizontalLines: true, // => whether to show gridlines in horizontal direction
minorHorizontalLines: null, // => whether to show gridlines for minor ticks in horizontal dir.
outlineWidth: 1, // => width of the grid outline/border in pixels
outline : 'nsew', // => walls of the outline to display
circular: false // => if set to true, the grid will be circular, must be used when radars are drawn
},
mouse: {
track: false, // => true to track the mouse, no tracking otherwise
trackAll: false,
position: 'se', // => position of the value box (default south-east). False disables.
relative: false, // => next to the mouse cursor
trackFormatter: Flotr.defaultTrackFormatter, // => formats the values in the value box
margin: 5, // => margin in pixels of the valuebox
lineColor: '#FF3F19', // => line color of points that are drawn when mouse comes near a value of a series
trackDecimals: 1, // => decimals for the track values
sensibility: 2, // => the lower this number, the more precise you have to aim to show a value
trackY: true, // => whether or not to track the mouse in the y axis
radius: 3, // => radius of the track point
fillColor: null, // => color to fill our select bar with only applies to bar and similar graphs (only bars for now)
fillOpacity: 0.4 // => opacity of the fill color, set to 1 for a solid fill, 0 hides the fill
}
};
/**
* Flotr Color
*/
(function () {
var
_ = Flotr._;
// Constructor
function Color (r, g, b, a) {
this.rgba = ['r','g','b','a'];
var x = 4;
while(-1<--x){
this[this.rgba[x]] = arguments[x] || ((x==3) ? 1.0 : 0);
}
this.normalize();
}
// Constants
var COLOR_NAMES = {
aqua:[0,255,255],azure:[240,255,255],beige:[245,245,220],black:[0,0,0],blue:[0,0,255],
brown:[165,42,42],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgrey:[169,169,169],
darkgreen:[0,100,0],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],
darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],
darkviolet:[148,0,211],fuchsia:[255,0,255],gold:[255,215,0],green:[0,128,0],indigo:[75,0,130],
khaki:[240,230,140],lightblue:[173,216,230],lightcyan:[224,255,255],lightgreen:[144,238,144],
lightgrey:[211,211,211],lightpink:[255,182,193],lightyellow:[255,255,224],lime:[0,255,0],magenta:[255,0,255],
maroon:[128,0,0],navy:[0,0,128],olive:[128,128,0],orange:[255,165,0],pink:[255,192,203],purple:[128,0,128],
violet:[128,0,128],red:[255,0,0],silver:[192,192,192],white:[255,255,255],yellow:[255,255,0]
};
Color.prototype = {
scale: function(rf, gf, bf, af){
var x = 4;
while (-1 < --x) {
if (!_.isUndefined(arguments[x])) this[this.rgba[x]] *= arguments[x];
}
return this.normalize();
},
alpha: function(alpha) {
if (!_.isUndefined(alpha) && !_.isNull(alpha)) {
this.a = alpha;
}
return this.normalize();
},
clone: function(){
return new Color(this.r, this.b, this.g, this.a);
},
limit: function(val,minVal,maxVal){
return Math.max(Math.min(val, maxVal), minVal);
},
normalize: function(){
var limit = this.limit;
this.r = limit(parseInt(this.r, 10), 0, 255);
this.g = limit(parseInt(this.g, 10), 0, 255);
this.b = limit(parseInt(this.b, 10), 0, 255);
this.a = limit(this.a, 0, 1);
return this;
},
distance: function(color){
if (!color) return;
color = new Color.parse(color);
var dist = 0, x = 3;
while(-1<--x){
dist += Math.abs(this[this.rgba[x]] - color[this.rgba[x]]);
}
return dist;
},
toString: function(){
return (this.a >= 1.0) ? 'rgb('+[this.r,this.g,this.b].join(',')+')' : 'rgba('+[this.r,this.g,this.b,this.a].join(',')+')';
},
contrast: function () {
var
test = 1 - ( 0.299 * this.r + 0.587 * this.g + 0.114 * this.b) / 255;
return (test < 0.5 ? '#000000' : '#ffffff');
}
};
_.extend(Color, {
/**
* Parses a color string and returns a corresponding Color.
* The different tests are in order of probability to improve speed.
* @param {String, Color} str - string thats representing a color
* @return {Color} returns a Color object or false
*/
parse: function(color){
if (color instanceof Color) return color;
var result;
// #a0b1c2
if((result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(color)))
return new Color(parseInt(result[1], 16), parseInt(result[2], 16), parseInt(result[3], 16));
// rgb(num,num,num)
if((result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(color)))
return new Color(parseInt(result[1], 10), parseInt(result[2], 10), parseInt(result[3], 10));
// #fff
if((result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(color)))
return new Color(parseInt(result[1]+result[1],16), parseInt(result[2]+result[2],16), parseInt(result[3]+result[3],16));
// rgba(num,num,num,num)
if((result = /rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(color)))
return new Color(parseInt(result[1], 10), parseInt(result[2], 10), parseInt(result[3], 10), parseFloat(result[4]));
// rgb(num%,num%,num%)
if((result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(color)))
return new Color(parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55);
// rgba(num%,num%,num%,num)
if((result = /rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(color)))
return new Color(parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55, parseFloat(result[4]));
// Otherwise, we're most likely dealing with a named color.
var name = (color+'').replace(/^\s*([\S\s]*?)\s*$/, '$1').toLowerCase();
if(name == 'transparent'){
return new Color(255, 255, 255, 0);
}
return (result = COLOR_NAMES[name]) ? new Color(result[0], result[1], result[2]) : new Color(0, 0, 0, 0);
},
/**
* Process color and options into color style.
*/
processColor: function(color, options) {
var opacity = options.opacity;
if (!color) return 'rgba(0, 0, 0, 0)';
if (color instanceof Color) return color.alpha(opacity).toString();
if (_.isString(color)) return Color.parse(color).alpha(opacity).toString();
var grad = color.colors ? color : {colors: color};
if (!options.ctx) {
if (!_.isArray(grad.colors)) return 'rgba(0, 0, 0, 0)';
return Color.parse(_.isArray(grad.colors[0]) ? grad.colors[0][1] : grad.colors[0]).alpha(opacity).toString();
}
grad = _.extend({start: 'top', end: 'bottom'}, grad);
if (/top/i.test(grad.start)) options.x1 = 0;
if (/left/i.test(grad.start)) options.y1 = 0;
if (/bottom/i.test(grad.end)) options.x2 = 0;
if (/right/i.test(grad.end)) options.y2 = 0;
var i, c, stop, gradient = options.ctx.createLinearGradient(options.x1, options.y1, options.x2, options.y2);
for (i = 0; i < grad.colors.length; i++) {
c = grad.colors[i];
if (_.isArray(c)) {
stop = c[0];
c = c[1];
}
else stop = i / (grad.colors.length-1);
gradient.addColorStop(stop, Color.parse(c).alpha(opacity));
}
return gradient;
}
});
Flotr.Color = Color;
})();
/**
* Flotr Date
*/
Flotr.Date = {
set : function (date, name, mode, value) {
mode = mode || 'UTC';
name = 'set' + (mode === 'UTC' ? 'UTC' : '') + name;
date[name](value);
},
get : function (date, name, mode) {
mode = mode || 'UTC';
name = 'get' + (mode === 'UTC' ? 'UTC' : '') + name;
return date[name]();
},
format: function(d, format, mode) {
if (!d) return;
// We should maybe use an "official" date format spec, like PHP date() or ColdFusion
// http://fr.php.net/manual/en/function.date.php
// http://livedocs.adobe.com/coldfusion/8/htmldocs/help.html?content=functions_c-d_29.html
var
get = this.get,
tokens = {
h: get(d, 'Hours', mode).toString(),
H: leftPad(get(d, 'Hours', mode)),
M: leftPad(get(d, 'Minutes', mode)),
S: leftPad(get(d, 'Seconds', mode)),
s: get(d, 'Milliseconds', mode),
d: get(d, 'Date', mode).toString(),
m: (get(d, 'Month', mode) + 1).toString(),
y: get(d, 'FullYear', mode).toString(),
b: Flotr.Date.monthNames[get(d, 'Month', mode)]
};
function leftPad(n){
n += '';
return n.length == 1 ? "0" + n : n;
}
var r = [], c,
escape = false;
for (var i = 0; i < format.length; ++i) {
c = format.charAt(i);
if (escape) {
r.push(tokens[c] || c);
escape = false;
}
else if (c == "%")
escape = true;
else
r.push(c);
}
return r.join('');
},
getFormat: function(time, span) {
var tu = Flotr.Date.timeUnits;
if (time < tu.second) return "%h:%M:%S.%s";
else if (time < tu.minute) return "%h:%M:%S";
else if (time < tu.day) return (span < 2 * tu.day) ? "%h:%M" : "%b %d %h:%M";
else if (time < tu.month) return "%b %d";
else if (time < tu.year) return (span < tu.year) ? "%b" : "%b %y";
else return "%y";
},
formatter: function (v, axis) {
var
options = axis.options,
scale = Flotr.Date.timeUnits[options.timeUnit],
d = new Date(v * scale);
// first check global format
if (axis.options.timeFormat)
return Flotr.Date.format(d, options.timeFormat, options.timeMode);
var span = (axis.max - axis.min) * scale,
t = axis.tickSize * Flotr.Date.timeUnits[axis.tickUnit];
return Flotr.Date.format(d, Flotr.Date.getFormat(t, span), options.timeMode);
},
generator: function(axis) {
var
set = this.set,
get = this.get,
timeUnits = this.timeUnits,
spec = this.spec,
options = axis.options,
mode = options.timeMode,
scale = timeUnits[options.timeUnit],
min = axis.min * scale,
max = axis.max * scale,
delta = (max - min) / options.noTicks,
ticks = [],
tickSize = axis.tickSize,
tickUnit,
formatter, i;
// Use custom formatter or time tick formatter
formatter = (options.tickFormatter === Flotr.defaultTickFormatter ?
this.formatter : options.tickFormatter
);
for (i = 0; i < spec.length - 1; ++i) {
var d = spec[i][0] * timeUnits[spec[i][1]];
if (delta < (d + spec[i+1][0] * timeUnits[spec[i+1][1]]) / 2 && d >= tickSize)
break;
}
tickSize = spec[i][0];
tickUnit = spec[i][1];
// special-case the possibility of several years
if (tickUnit == "year") {
tickSize = Flotr.getTickSize(options.noTicks*timeUnits.year, min, max, 0);
// Fix for 0.5 year case
if (tickSize == 0.5) {
tickUnit = "month";
tickSize = 6;
}
}
axis.tickUnit = tickUnit;
axis.tickSize = tickSize;
var step = tickSize * timeUnits[tickUnit];
d = new Date(min);
function setTick (name) {
set(d, name, mode, Flotr.floorInBase(
get(d, name, mode), tickSize
));
}
switch (tickUnit) {
case "millisecond": setTick('Milliseconds'); break;
case "second": setTick('Seconds'); break;
case "minute": setTick('Minutes'); break;
case "hour": setTick('Hours'); break;
case "month": setTick('Month'); break;
case "year": setTick('FullYear'); break;
}
// reset smaller components
if (step >= timeUnits.second) set(d, 'Milliseconds', mode, 0);
if (step >= timeUnits.minute) set(d, 'Seconds', mode, 0);
if (step >= timeUnits.hour) set(d, 'Minutes', mode, 0);
if (step >= timeUnits.day) set(d, 'Hours', mode, 0);
if (step >= timeUnits.day * 4) set(d, 'Date', mode, 1);
if (step >= timeUnits.year) set(d, 'Month', mode, 0);
var carry = 0, v = NaN, prev;
do {
prev = v;
v = d.getTime();
ticks.push({ v: v / scale, label: formatter(v / scale, axis) });
if (tickUnit == "month") {
if (tickSize < 1) {
/* a bit complicated - we'll divide the month up but we need to take care of fractions
so we don't end up in the middle of a day */
set(d, 'Date', mode, 1);
var start = d.getTime();
set(d, 'Month', mode, get(d, 'Month', mode) + 1);
var end = d.getTime();
d.setTime(v + carry * timeUnits.hour + (end - start) * tickSize);
carry = get(d, 'Hours', mode);
set(d, 'Hours', mode, 0);
}
else
set(d, 'Month', mode, get(d, 'Month', mode) + tickSize);
}
else if (tickUnit == "year") {
set(d, 'FullYear', mode, get(d, 'FullYear', mode) + tickSize);
}
else
d.setTime(v + step);
} while (v < max && v != prev);
return ticks;
},
timeUnits: {
millisecond: 1,
second: 1000,
minute: 1000 * 60,
hour: 1000 * 60 * 60,
day: 1000 * 60 * 60 * 24,
month: 1000 * 60 * 60 * 24 * 30,
year: 1000 * 60 * 60 * 24 * 365.2425
},
// the allowed tick sizes, after 1 year we use an integer algorithm
spec: [
[1, "millisecond"], [20, "millisecond"], [50, "millisecond"], [100, "millisecond"], [200, "millisecond"], [500, "millisecond"],
[1, "second"], [2, "second"], [5, "second"], [10, "second"], [30, "second"],
[1, "minute"], [2, "minute"], [5, "minute"], [10, "minute"], [30, "minute"],
[1, "hour"], [2, "hour"], [4, "hour"], [8, "hour"], [12, "hour"],
[1, "day"], [2, "day"], [3, "day"],
[0.25, "month"], [0.5, "month"], [1, "month"], [2, "month"], [3, "month"], [6, "month"],
[1, "year"]
],
monthNames: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
};
(function () {
var _ = Flotr._;
function getEl (el) {
return (el && el.jquery) ? el[0] : el;
}
Flotr.DOM = {
addClass: function(element, name){
element = getEl(element);
var classList = (element.className ? element.className : '');
if (_.include(classList.split(/\s+/g), name)) return;
element.className = (classList ? classList + ' ' : '') + name;
},
/**
* Create an element.
*/
create: function(tag){
return document.createElement(tag);
},
node: function(html) {
var div = Flotr.DOM.create('div'), n;
div.innerHTML = html;
n = div.children[0];
div.innerHTML = '';
return n;
},
/**
* Remove all children.
*/
empty: function(element){
element = getEl(element);
element.innerHTML = '';
/*
if (!element) return;
_.each(element.childNodes, function (e) {
Flotr.DOM.empty(e);
element.removeChild(e);
});
*/
},
remove: function (element) {
element = getEl(element);
element.parentNode.removeChild(element);
},
hide: function(element){
element = getEl(element);
Flotr.DOM.setStyles(element, {display:'none'});
},
/**
* Insert a child.
* @param {Element} element
* @param {Element|String} Element or string to be appended.
*/
insert: function(element, child){
element = getEl(element);
if(_.isString(child))
element.innerHTML += child;
else if (_.isElement(child))
element.appendChild(child);
},
// @TODO find xbrowser implementation
opacity: function(element, opacity) {
element = getEl(element);
element.style.opacity = opacity;
},
position: function(element, p){
element = getEl(element);
if (!element.offsetParent)
return {left: (element.offsetLeft || 0), top: (element.offsetTop || 0)};
p = this.position(element.offsetParent);
p.left += element.offsetLeft;
p.top += element.offsetTop;
return p;
},
removeClass: function(element, name) {
var classList = (element.className ? element.className : '');
element = getEl(element);
element.className = _.filter(classList.split(/\s+/g), function (c) {
if (c != name) return true; }
).join(' ');
},
setStyles: function(element, o) {
element = getEl(element);
_.each(o, function (value, key) {
element.style[key] = value;
});
},
show: function(element){
element = getEl(element);
Flotr.DOM.setStyles(element, {display:''});
},
/**
* Return element size.
*/
size: function(element){
element = getEl(element);
return {
height : element.offsetHeight,
width : element.offsetWidth };
}
};
})();
/**
* Flotr Event Adapter
*/
(function () {
var
F = Flotr,
bean = F.bean;
F.EventAdapter = {
observe: function(object, name, callback) {
bean.add(object, name, callback);
return this;
},
fire: function(object, name, args) {
bean.fire(object, name, args);
if (typeof(Prototype) != 'undefined')
Event.fire(object, name, args);
// @TODO Someone who uses mootools, add mootools adapter for existing applciations.
return this;
},
stopObserving: function(object, name, callback) {
bean.remove(object, name, callback);
return this;
},
eventPointer: function(e) {
if (!F._.isUndefined(e.touches) && e.touches.length > 0) {
return {
x : e.touches[0].pageX,
y : e.touches[0].pageY
};
} else if (!F._.isUndefined(e.changedTouches) && e.changedTouches.length > 0) {
return {
x : e.changedTouches[0].pageX,
y : e.changedTouches[0].pageY
};
} else if (e.pageX || e.pageY) {
return {
x : e.pageX,
y : e.pageY
};
} else if (e.clientX || e.clientY) {
var
d = document,
b = d.body,
de = d.documentElement;
return {
x: e.clientX + b.scrollLeft + de.scrollLeft,
y: e.clientY + b.scrollTop + de.scrollTop
};
}
}
};
})();
/**
* Text Utilities
*/
(function () {
var
F = Flotr,
D = F.DOM,
_ = F._,
Text = function (o) {
this.o = o;
};
Text.prototype = {
dimensions : function (text, canvasStyle, htmlStyle, className) {
if (!text) return { width : 0, height : 0 };
return (this.o.html) ?
this.html(text, this.o.element, htmlStyle, className) :
this.canvas(text, canvasStyle);
},
canvas : function (text, style) {
if (!this.o.textEnabled) return;
style = style || {};
var
metrics = this.measureText(text, style),
width = metrics.width,
height = style.size || F.defaultOptions.fontSize,
angle = style.angle || 0,
cosAngle = Math.cos(angle),
sinAngle = Math.sin(angle),
widthPadding = 2,
heightPadding = 6,
bounds;
bounds = {
width: Math.abs(cosAngle * width) + Math.abs(sinAngle * height) + widthPadding,
height: Math.abs(sinAngle * width) + Math.abs(cosAngle * height) + heightPadding
};
return bounds;
},
html : function (text, element, style, className) {
var div = D.create('div');
D.setStyles(div, { 'position' : 'absolute', 'top' : '-10000px' });
D.insert(div, '<div style="'+style+'" class="'+className+' flotr-dummy-div">' + text + '</div>');
D.insert(this.o.element, div);
return D.size(div);
},
measureText : function (text, style) {
var
context = this.o.ctx,
metrics;
if (!context.fillText || (F.isIphone && context.measure)) {
return { width : context.measure(text, style)};
}
style = _.extend({
size: F.defaultOptions.fontSize,
weight: 1,
angle: 0
}, style);
context.save();
context.font = (style.weight > 1 ? "bold " : "") + (style.size*1.3) + "px sans-serif";
metrics = context.measureText(text);
context.restore();
return metrics;
}
};
Flotr.Text = Text;
})();
/**
* Flotr Graph class that plots a graph on creation.
*/
(function () {
var
D = Flotr.DOM,
E = Flotr.EventAdapter,
_ = Flotr._,
flotr = Flotr;
/**
* Flotr Graph constructor.
* @param {Element} el - element to insert the graph into
* @param {Object} data - an array or object of dataseries
* @param {Object} options - an object containing options
*/
Graph = function(el, data, options){
// Let's see if we can get away with out this [JS]
// try {
this._setEl(el);
this._initMembers();
this._initPlugins();
E.fire(this.el, 'flotr:beforeinit', [this]);
this.data = data;