I?I:K)}G.r=H(0,parseInt(G.r),255);G.g=H(0,parseInt(G.g),255);G.b=H(0,parseInt(G.b),255);G.a=H(0,G.a,1);return G};G.clone=function(){return B.color.make(G.r,G.b,G.g,G.a)};return G.normalize()};B.color.extract=function(D,C){var E;do{E=D.css(C).toLowerCase();if(E!=""&&E!="transparent"){break}D=D.parent()}while(!B.nodeName(D.get(0),"body"));if(E=="rgba(0, 0, 0, 0)"){E="transparent"}return B.color.parse(E)};B.color.parse=function(F){var E,C=B.color.make;if(E=/rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(F)){return C(parseInt(E[1],10),parseInt(E[2],10),parseInt(E[3],10))}if(E=/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(F)){return C(parseInt(E[1],10),parseInt(E[2],10),parseInt(E[3],10),parseFloat(E[4]))}if(E=/rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(F)){return C(parseFloat(E[1])*2.55,parseFloat(E[2])*2.55,parseFloat(E[3])*2.55)}if(E=/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(F)){return C(parseFloat(E[1])*2.55,parseFloat(E[2])*2.55,parseFloat(E[3])*2.55,parseFloat(E[4]))}if(E=/#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(F)){return C(parseInt(E[1],16),parseInt(E[2],16),parseInt(E[3],16))}if(E=/#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(F)){return C(parseInt(E[1]+E[1],16),parseInt(E[2]+E[2],16),parseInt(E[3]+E[3],16))}var D=B.trim(F).toLowerCase();if(D=="transparent"){return C(255,255,255,0)}else{E=A[D]||[0,0,0];return C(E[0],E[1],E[2])}};var A={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]}})(jQuery);
(function($) {
function Plot(placeholder, data_, options_, plugins) {
var series = [],
options = {
colors: ["#edc240", "#afd8f8", "#cb4b4b", "#4da74d", "#9440ed"],
legend: {
show: true,
noColumns: 1, // number of colums in legend table
labelFormatter: null, // fn: string -> string
labelBoxBorderColor: "#ccc", // border color for the little label boxes
container: null, // container (as jQuery object) to put legend in, null means default on top of graph
position: "ne", // position of default legend container within plot
margin: 5, // distance from grid edge to default legend container within plot
backgroundColor: null, // null means auto-detect
backgroundOpacity: 0.85 // set to 0 to avoid background
},
xaxis: {
show: null, // null = auto-detect, true = always, false = never
position: "bottom", // or "top"
mode: null, // null or "time"
font: null, // null (derived from CSS in placeholder) or object like { size: 11, style: "italic", weight: "bold", family: "sans-serif", variant: "small-caps" }
color: null, // base color, labels, ticks
tickColor: null, // possibly different color of ticks, e.g. "rgba(0,0,0,0.15)"
transform: null, // null or f: number -> number to transform axis
inverseTransform: null, // if transform is set, this should be the inverse function
min: null, // min. value to show, null means set automatically
max: null, // max. value to show, null means set automatically
autoscaleMargin: null, // margin in % to add if auto-setting min/max
ticks: null, // either [1, 3] or [[1, "a"], 3] or (fn: axis info -> ticks) or app. number of ticks for auto-ticks
tickFormatter: null, // fn: number -> string
labelWidth: null, // size of tick labels in pixels
labelHeight: null,
reserveSpace: null, // whether to reserve space even if axis isn't shown
tickLength: null, // size in pixels of ticks, or "full" for whole line
alignTicksWithAxis: null, // axis number or null for no sync
tickDecimals: null, // no. of decimals, null means auto
tickSize: null, // number or [number, "unit"]
minTickSize: null, // number or [number, "unit"]
monthNames: null, // list of names of months
timeformat: null, // format string to use
twelveHourClock: false // 12 or 24 time in time mode
},
yaxis: {
autoscaleMargin: 0.02,
position: "left" // or "right"
},
xaxes: [],
yaxes: [],
series: {
points: {
show: false,
radius: 3,
lineWidth: 2, // in pixels
fill: true,
fillColor: "#ffffff",
symbol: "circle" // or callback
},
lines: {
lineWidth: 2, // in pixels
fill: false,
fillColor: null,
steps: false
},
bars: {
show: false,
lineWidth: 2, // in pixels
barWidth: 1, // in units of the x axis
fill: true,
fillColor: null,
align: "left", // or "center"
horizontal: false
},
shadowSize: 3
},
grid: {
show: true,
aboveData: false,
color: "#545454", // primary color used for outline and labels
backgroundColor: null, // null for transparent, else color
borderColor: null, // set if different from the grid color
tickColor: null, // color for the ticks, e.g. "rgba(0,0,0,0.15)"
labelMargin: 5, // in pixels
axisMargin: 8, // in pixels
borderWidth: 2, // in pixels
minBorderMargin: null, // in pixels, null means taken from points radius
markings: null, // array of ranges or fn: axes -> array of ranges
markingsColor: "#f4f4f4",
markingsLineWidth: 2,
clickable: false,
hoverable: false,
autoHighlight: true, // highlight in case mouse is near
mouseActiveRadius: 10 // how far the mouse can be away to activate an item
},
interaction: {
redrawOverlayInterval: 1000/60 // time between updates, -1 means in same flow
},
hooks: {}
},
canvas = null, // the canvas for the plot itself
overlay = null, // canvas for interactive stuff on top of plot
eventHolder = null, // jQuery object that events should be bound to
ctx = null, octx = null,
xaxes = [], yaxes = [],
plotOffset = { left: 0, right: 0, top: 0, bottom: 0},
canvasWidth = 0, canvasHeight = 0,
plotWidth = 0, plotHeight = 0,
hooks = {
processOptions: [],
processRawData: [],
processDatapoints: [],
drawSeries: [],
draw: [],
bindEvents: [],
drawOverlay: [],
shutdown: []
},
plot = this;
plot.setData = setData;
plot.setupGrid = setupGrid;
plot.draw = draw;
plot.getPlaceholder = function() { return placeholder; };
plot.getCanvas = function() { return canvas; };
plot.getPlotOffset = function() { return plotOffset; };
plot.width = function () { return plotWidth; };
plot.height = function () { return plotHeight; };
plot.offset = function () {
var o = eventHolder.offset();
o.left += plotOffset.left;
o.top += plotOffset.top;
return o;
};
plot.getData = function () { return series; };
plot.getAxes = function () {
var res = {}, i;
$.each(xaxes.concat(yaxes), function (_, axis) {
if (axis)
res[axis.direction + (axis.n != 1 ? axis.n : "") + "axis"] = axis;
});
return res;
};
plot.getXAxes = function () { return xaxes; };
plot.getYAxes = function () { return yaxes; };
plot.c2p = canvasToAxisCoords;
plot.p2c = axisToCanvasCoords;
plot.getOptions = function () { return options; };
plot.highlight = highlight;
plot.unhighlight = unhighlight;
plot.triggerRedrawOverlay = triggerRedrawOverlay;
plot.pointOffset = function(point) {
return {
left: parseInt(xaxes[axisNumber(point, "x") - 1].p2c(+point.x) + plotOffset.left),
top: parseInt(yaxes[axisNumber(point, "y") - 1].p2c(+point.y) + plotOffset.top)
};
};
plot.shutdown = shutdown;
plot.resize = function () {
getCanvasDimensions();
resizeCanvas(canvas);
resizeCanvas(overlay);
};
plot.hooks = hooks;
initPlugins(plot);
parseOptions(options_);
setupCanvases();
setData(data_);
setupGrid();
draw();
bindEvents();
function executeHooks(hook, args) {
args = [plot].concat(args);
for (var i = 0; i < hook.length; ++i)
hook[i].apply(this, args);
}
function initPlugins() {
for (var i = 0; i < plugins.length; ++i) {
var p = plugins[i];
p.init(plot);
if (p.options)
$.extend(true, options, p.options);
}
}
function parseOptions(opts) {
var i;
$.extend(true, options, opts);
if (options.xaxis.color == null)
options.xaxis.color = options.grid.color;
if (options.yaxis.color == null)
options.yaxis.color = options.grid.color;
if (options.xaxis.tickColor == null) // backwards-compatibility
options.xaxis.tickColor = options.grid.tickColor;
if (options.yaxis.tickColor == null) // backwards-compatibility
options.yaxis.tickColor = options.grid.tickColor;
if (options.grid.borderColor == null)
options.grid.borderColor = options.grid.color;
if (options.grid.tickColor == null)
options.grid.tickColor = $.color.parse(options.grid.color).scale('a', 0.22).toString();
for (i = 0; i < Math.max(1, options.xaxes.length); ++i)
options.xaxes[i] = $.extend(true, {}, options.xaxis, options.xaxes[i]);
for (i = 0; i < Math.max(1, options.yaxes.length); ++i)
options.yaxes[i] = $.extend(true, {}, options.yaxis, options.yaxes[i]);
if (options.xaxis.noTicks && options.xaxis.ticks == null)
options.xaxis.ticks = options.xaxis.noTicks;
if (options.yaxis.noTicks && options.yaxis.ticks == null)
options.yaxis.ticks = options.yaxis.noTicks;
if (options.x2axis) {
options.xaxes[1] = $.extend(true, {}, options.xaxis, options.x2axis);
options.xaxes[1].position = "top";
}
if (options.y2axis) {
options.yaxes[1] = $.extend(true, {}, options.yaxis, options.y2axis);
options.yaxes[1].position = "right";
}
if (options.grid.coloredAreas)
options.grid.markings = options.grid.coloredAreas;
if (options.grid.coloredAreasColor)
options.grid.markingsColor = options.grid.coloredAreasColor;
if (options.lines)
$.extend(true, options.series.lines, options.lines);
if (options.points)
$.extend(true, options.series.points, options.points);
if (options.bars)
$.extend(true, options.series.bars, options.bars);
if (options.shadowSize != null)
options.series.shadowSize = options.shadowSize;
for (i = 0; i < options.xaxes.length; ++i)
getOrCreateAxis(xaxes, i + 1).options = options.xaxes[i];
for (i = 0; i < options.yaxes.length; ++i)
getOrCreateAxis(yaxes, i + 1).options = options.yaxes[i];
for (var n in hooks)
if (options.hooks[n] && options.hooks[n].length)
hooks[n] = hooks[n].concat(options.hooks[n]);
executeHooks(hooks.processOptions, [options]);
}
function setData(d) {
series = parseData(d);
fillInSeriesOptions();
processData();
}
function parseData(d) {
var res = [];
for (var i = 0; i < d.length; ++i) {
var s = $.extend(true, {}, options.series);
if (d[i].data != null) {
s.data = d[i].data; // move the data instead of deep-copy
delete d[i].data;
$.extend(true, s, d[i]);
d[i].data = s.data;
}
else
s.data = d[i];
res.push(s);
}
return res;
}
function axisNumber(obj, coord) {
var a = obj[coord + "axis"];
if (typeof a == "object") // if we got a real axis, extract number
a = a.n;
if (typeof a != "number")
a = 1; // default to first axis
return a;
}
function allAxes() {
return $.grep(xaxes.concat(yaxes), function (a) { return a; });
}
function canvasToAxisCoords(pos) {
var res = {}, i, axis;
for (i = 0; i < xaxes.length; ++i) {
axis = xaxes[i];
if (axis && axis.used)
res["x" + axis.n] = axis.c2p(pos.left);
}
for (i = 0; i < yaxes.length; ++i) {
axis = yaxes[i];
if (axis && axis.used)
res["y" + axis.n] = axis.c2p(pos.top);
}
if (res.x1 !== undefined)
res.x = res.x1;
if (res.y1 !== undefined)
res.y = res.y1;
return res;
}
function axisToCanvasCoords(pos) {
var res = {}, i, axis, key;
for (i = 0; i < xaxes.length; ++i) {
axis = xaxes[i];
if (axis && axis.used) {
key = "x" + axis.n;
if (pos[key] == null && axis.n == 1)
key = "x";
if (pos[key] != null) {
res.left = axis.p2c(pos[key]);
break;
}
}
}
for (i = 0; i < yaxes.length; ++i) {
axis = yaxes[i];
if (axis && axis.used) {
key = "y" + axis.n;
if (pos[key] == null && axis.n == 1)
key = "y";
if (pos[key] != null) {
res.top = axis.p2c(pos[key]);
break;
}
}
}
return res;
}
function getOrCreateAxis(axes, number) {
if (!axes[number - 1])
axes[number - 1] = {
n: number, // save the number for future reference
direction: axes == xaxes ? "x" : "y",
options: $.extend(true, {}, axes == xaxes ? options.xaxis : options.yaxis)
};
return axes[number - 1];
}
function fillInSeriesOptions() {
var i;
var neededColors = series.length,
usedColors = [],
assignedColors = [];
for (i = 0; i < series.length; ++i) {
var sc = series[i].color;
if (sc != null) {
--neededColors;
if (typeof sc == "number")
assignedColors.push(sc);
else
usedColors.push($.color.parse(series[i].color));
}
}
for (i = 0; i < assignedColors.length; ++i) {
neededColors = Math.max(neededColors, assignedColors[i] + 1);
}
var colors = [], variation = 0;
i = 0;
while (colors.length < neededColors) {
var c;
if (options.colors.length == i) // check degenerate case
c = $.color.make(100, 100, 100);
else
c = $.color.parse(options.colors[i]);
var sign = variation % 2 == 1 ? -1 : 1;
c.scale('rgb', 1 + sign * Math.ceil(variation / 2) * 0.2);
colors.push(c);
++i;
if (i >= options.colors.length) {
i = 0;
++variation;
}
}
var colori = 0, s;
for (i = 0; i < series.length; ++i) {
s = series[i];
if (s.color == null) {
s.color = colors[colori].toString();
++colori;
}
else if (typeof s.color == "number")
s.color = colors[s.color].toString();
if (s.lines.show == null) {
var v, show = true;
for (v in s)
if (s[v] && s[v].show) {
show = false;
break;
}
if (show)
s.lines.show = true;
}
s.xaxis = getOrCreateAxis(xaxes, axisNumber(s, "x"));
s.yaxis = getOrCreateAxis(yaxes, axisNumber(s, "y"));
}
}
function processData() {
var topSentry = Number.POSITIVE_INFINITY,
bottomSentry = Number.NEGATIVE_INFINITY,
fakeInfinity = Number.MAX_VALUE,
i, j, k, m, length,
s, points, ps, x, y, axis, val, f, p;
function updateAxis(axis, min, max) {
if (min < axis.datamin && min != -fakeInfinity)
axis.datamin = min;
if (max > axis.datamax && max != fakeInfinity)
axis.datamax = max;
}
$.each(allAxes(), function (_, axis) {
axis.datamin = topSentry;
axis.datamax = bottomSentry;
axis.used = false;
});
for (i = 0; i < series.length; ++i) {
s = series[i];
s.datapoints = { points: [] };
executeHooks(hooks.processRawData, [ s, s.data, s.datapoints ]);
}
for (i = 0; i < series.length; ++i) {
s = series[i];
var data = s.data, format = s.datapoints.format;
if (!format) {
format = [];
format.push({ x: true, number: true, required: true });
format.push({ y: true, number: true, required: true });
if (s.bars.show || (s.lines.show && s.lines.fill)) {
format.push({ y: true, number: true, required: false, defaultValue: 0 });
if (s.bars.horizontal) {
delete format[format.length - 1].y;
format[format.length - 1].x = true;
}
}
s.datapoints.format = format;
}
if (s.datapoints.pointsize != null)
continue; // already filled in
s.datapoints.pointsize = format.length;
ps = s.datapoints.pointsize;
points = s.datapoints.points;
insertSteps = s.lines.show && s.lines.steps;
s.xaxis.used = s.yaxis.used = true;
for (j = k = 0; j < data.length; ++j, k += ps) {
p = data[j];
var nullify = p == null;
if (!nullify) {
for (m = 0; m < ps; ++m) {
val = p[m];
f = format[m];
if (f) {
if (f.number && val != null) {
val = +val; // convert to number
if (isNaN(val))
val = null;
else if (val == Infinity)
val = fakeInfinity;
else if (val == -Infinity)
val = -fakeInfinity;
}
if (val == null) {
if (f.required)
nullify = true;
if (f.defaultValue != null)
val = f.defaultValue;
}
}
points[k + m] = val;
}
}
if (nullify) {
for (m = 0; m < ps; ++m) {
val = points[k + m];
if (val != null) {
f = format[m];
if (f.x)
updateAxis(s.xaxis, val, val);
if (f.y)
updateAxis(s.yaxis, val, val);
}
points[k + m] = null;
}
}
else {
if (insertSteps && k > 0
&& points[k - ps] != null
&& points[k - ps] != points[k]
&& points[k - ps + 1] != points[k + 1]) {
for (m = 0; m < ps; ++m)
points[k + ps + m] = points[k + m];
points[k + 1] = points[k - ps + 1];
k += ps;
}
}
}
}
for (i = 0; i < series.length; ++i) {
s = series[i];
executeHooks(hooks.processDatapoints, [ s, s.datapoints]);
}
for (i = 0; i < series.length; ++i) {
s = series[i];
points = s.datapoints.points,
ps = s.datapoints.pointsize;
format = s.datapoints.format;
var xmin = topSentry, ymin = topSentry,
xmax = bottomSentry, ymax = bottomSentry;
for (j = 0; j < points.length; j += ps) {
if (points[j] == null)
continue;
for (m = 0; m < ps; ++m) {
val = points[j + m];
f = format[m];
if (!f || val == fakeInfinity || val == -fakeInfinity)
continue;
if (f.x) {
if (val < xmin)
xmin = val;
if (val > xmax)
xmax = val;
}
if (f.y) {
if (val < ymin)
ymin = val;
if (val > ymax)
ymax = val;
}
}
}
if (s.bars.show) {
var delta = s.bars.align == "left" ? 0 : -s.bars.barWidth/2;
if (s.bars.horizontal) {
ymin += delta;
ymax += delta + s.bars.barWidth;
}
else {
xmin += delta;
xmax += delta + s.bars.barWidth;
}
}
updateAxis(s.xaxis, xmin, xmax);
updateAxis(s.yaxis, ymin, ymax);
}
$.each(allAxes(), function (_, axis) {
if (axis.datamin == topSentry)
axis.datamin = null;
if (axis.datamax == bottomSentry)
axis.datamax = null;
});
}
function makeCanvas(skipPositioning, cls) {
var c = document.createElement('canvas');
c.className = cls;
c.width = canvasWidth;
c.height = canvasHeight;
if (!skipPositioning)
$(c).css({ position: 'absolute', left: 0, top: 0 });
$(c).appendTo(placeholder);
if (!c.getContext) // excanvas hack
c = window.G_vmlCanvasManager.initElement(c);
c.getContext("2d").save();
return c;
}
function getCanvasDimensions() {
canvasWidth = placeholder.width();
canvasHeight = placeholder.height();
if (canvasWidth <= 0 || canvasHeight <= 0)
throw "Invalid dimensions for plot, width = " + canvasWidth + ", height = " + canvasHeight;
}
function resizeCanvas(c) {
if (c.width != canvasWidth)
c.width = canvasWidth;
if (c.height != canvasHeight)
c.height = canvasHeight;
var cctx = c.getContext("2d");
cctx.restore();
cctx.save();
}
function setupCanvases() {
var reused,
existingCanvas = placeholder.children("canvas.flot-base"),
existingOverlay = placeholder.children("canvas.flot-overlay");
if (existingCanvas.length == 0 || existingOverlay == 0) {
placeholder.html(""); // make sure placeholder is clear
placeholder.css({ padding: 0 }); // padding messes up the positioning
if (placeholder.css("position") == 'static')
placeholder.css("position", "relative"); // for positioning labels and overlay
getCanvasDimensions();
canvas = makeCanvas(true, "flot-base");
overlay = makeCanvas(false, "flot-overlay"); // overlay canvas for interactive features
reused = false;
}
else {
canvas = existingCanvas.get(0);
overlay = existingOverlay.get(0);
reused = true;
}
ctx = canvas.getContext("2d");
octx = overlay.getContext("2d");
eventHolder = $(overlay);
if (reused) {
placeholder.data("plot").shutdown();
plot.resize();
octx.clearRect(0, 0, canvasWidth, canvasHeight);
eventHolder.unbind();
placeholder.children().not([canvas, overlay]).remove();
}
placeholder.data("plot", plot);
}
function bindEvents() {
if (options.grid.hoverable) {
eventHolder.mousemove(onMouseMove);
eventHolder.mouseleave(onMouseLeave);
}
if (options.grid.clickable)
eventHolder.click(onClick);
executeHooks(hooks.bindEvents, [eventHolder]);
}
function shutdown() {
if (redrawTimeout)
clearTimeout(redrawTimeout);
eventHolder.unbind("mousemove", onMouseMove);
eventHolder.unbind("mouseleave", onMouseLeave);
eventHolder.unbind("click", onClick);
executeHooks(hooks.shutdown, [eventHolder]);
}
function setTransformationHelpers(axis) {
function identity(x) { return x; }
var s, m, t = axis.options.transform || identity,
it = axis.options.inverseTransform;
if (axis.direction == "x") {
s = axis.scale = plotWidth / Math.abs(t(axis.max) - t(axis.min));
m = Math.min(t(axis.max), t(axis.min));
}
else {
s = axis.scale = plotHeight / Math.abs(t(axis.max) - t(axis.min));
s = -s;
m = Math.max(t(axis.max), t(axis.min));
}
if (t == identity) // slight optimization
axis.p2c = function (p) { return (p - m) * s; };
else
axis.p2c = function (p) { return (t(p) - m) * s; };
if (!it)
axis.c2p = function (c) { return m + c / s; };
else
axis.c2p = function (c) { return it(m + c / s); };
}
function measureTickLabels(axis) {
var opts = axis.options, ticks = axis.ticks || [],
axisw = opts.labelWidth || 0, axish = opts.labelHeight || 0,
f = axis.font;
ctx.save();
ctx.font = f.style + " " + f.variant + " " + f.weight + " " + f.size + "px '" + f.family + "'";
for (var i = 0; i < ticks.length; ++i) {
var t = ticks[i];
t.lines = [];
t.width = t.height = 0;
if (!t.label)
continue;
var lines = t.label.replace(/
|\r\n|\r/g, "\n").split("\n");
for (var j = 0; j < lines.length; ++j) {
var line = { text: lines[j] },
m = ctx.measureText(line.text);
line.width = m.width;
line.height = m.height != null ? m.height : f.size;
line.height += Math.round(f.size * 0.15);
t.width = Math.max(line.width, t.width);
t.height += line.height;
t.lines.push(line);
}
if (opts.labelWidth == null)
axisw = Math.max(axisw, t.width);
if (opts.labelHeight == null)
axish = Math.max(axish, t.height);
}
ctx.restore();
axis.labelWidth = Math.ceil(axisw);
axis.labelHeight = Math.ceil(axish);
}
function allocateAxisBoxFirstPhase(axis) {
var lw = axis.labelWidth,
lh = axis.labelHeight,
pos = axis.options.position,
tickLength = axis.options.tickLength,
axisMargin = options.grid.axisMargin,
padding = options.grid.labelMargin,
all = axis.direction == "x" ? xaxes : yaxes,
index;
var samePosition = $.grep(all, function (a) {
return a && a.options.position == pos && a.reserveSpace;
});
if ($.inArray(axis, samePosition) == samePosition.length - 1)
axisMargin = 0; // outermost
if (tickLength == null) {
var sameDirection = $.grep(all, function (a) {
return a && a.reserveSpace;
});
var innermost = $.inArray(axis, sameDirection) == 0;
if (innermost)
tickLength = "full";
else
tickLength = 5;
}
if (!isNaN(+tickLength))
padding += +tickLength;
if (axis.direction == "x") {
lh += padding;
if (pos == "bottom") {
plotOffset.bottom += lh + axisMargin;
axis.box = { top: canvasHeight - plotOffset.bottom, height: lh };
}
else {
axis.box = { top: plotOffset.top + axisMargin, height: lh };
plotOffset.top += lh + axisMargin;
}
}
else {
lw += padding;
if (pos == "left") {
axis.box = { left: plotOffset.left + axisMargin, width: lw };
plotOffset.left += lw + axisMargin;
}
else {
plotOffset.right += lw + axisMargin;
axis.box = { left: canvasWidth - plotOffset.right, width: lw };
}
}
axis.position = pos;
axis.tickLength = tickLength;
axis.box.padding = padding;
axis.innermost = innermost;
}
function allocateAxisBoxSecondPhase(axis) {
if (axis.direction == "x") {
axis.box.left = plotOffset.left - axis.labelWidth / 2;
axis.box.width = canvasWidth - plotOffset.left - plotOffset.right + axis.labelWidth;
}
else {
axis.box.top = plotOffset.top - axis.labelHeight / 2;
axis.box.height = canvasHeight - plotOffset.bottom - plotOffset.top + axis.labelHeight;
}
}
function adjustLayoutForThingsStickingOut() {
var minMargin = options.grid.minBorderMargin,
margins = { x: 0, y: 0 }, i, axis;
if (minMargin == null) {
minMargin = 0;
for (i = 0; i < series.length; ++i)
minMargin = Math.max(minMargin, 2 * (series[i].points.radius + series[i].points.lineWidth/2));
}
margins.x = margins.y = Math.ceil(minMargin);
$.each(allAxes(), function (_, axis) {
var dir = axis.direction;
if (axis.reserveSpace)
margins[dir] = Math.ceil(Math.max(margins[dir], (dir == "x" ? axis.labelWidth : axis.labelHeight) / 2));
});
plotOffset.left = Math.max(margins.x, plotOffset.left);
plotOffset.right = Math.max(margins.x, plotOffset.right);
plotOffset.top = Math.max(margins.y, plotOffset.top);
plotOffset.bottom = Math.max(margins.y, plotOffset.bottom);
}
function setupGrid() {
var i, axes = allAxes(), showGrid = options.grid.show;
for (var a in plotOffset)
plotOffset[a] = showGrid ? options.grid.borderWidth : 0;
$.each(axes, function (_, axis) {
axis.show = axis.options.show;
if (axis.show == null)
axis.show = axis.used; // by default an axis is visible if it's got data
axis.reserveSpace = axis.show || axis.options.reserveSpace;
setRange(axis);
});
if (showGrid) {
var fontDefaults = {
style: placeholder.css("font-style"),
size: Math.round(0.8 * (+placeholder.css("font-size").replace("px", "") || 13)),
variant: placeholder.css("font-variant"),
weight: placeholder.css("font-weight"),
family: placeholder.css("font-family")
};
var allocatedAxes = $.grep(axes, function (axis) { return axis.reserveSpace; });
$.each(allocatedAxes, function (_, axis) {
setupTickGeneration(axis);
setTicks(axis);
snapRangeToTicks(axis, axis.ticks);
axis.font = $.extend({}, fontDefaults, axis.options.font);
measureTickLabels(axis);
});
for (i = allocatedAxes.length - 1; i >= 0; --i)
allocateAxisBoxFirstPhase(allocatedAxes[i]);
adjustLayoutForThingsStickingOut();
$.each(allocatedAxes, function (_, axis) {
allocateAxisBoxSecondPhase(axis);
});
}
plotWidth = canvasWidth - plotOffset.left - plotOffset.right;
plotHeight = canvasHeight - plotOffset.bottom - plotOffset.top;
$.each(axes, function (_, axis) {
setTransformationHelpers(axis);
});
insertLegend();
}
function setRange(axis) {
var opts = axis.options,
min = +(opts.min != null ? opts.min : axis.datamin),
max = +(opts.max != null ? opts.max : axis.datamax),
delta = max - min;
if (delta == 0.0) {
var widen = max == 0 ? 1 : 0.01;
if (opts.min == null)
min -= widen;
if (opts.max == null || opts.min != null)
max += widen;
}
else {
var margin = opts.autoscaleMargin;
if (margin != null) {
if (opts.min == null) {
min -= delta * margin;
if (min < 0 && axis.datamin != null && axis.datamin >= 0)
min = 0;
}
if (opts.max == null) {
max += delta * margin;
if (max > 0 && axis.datamax != null && axis.datamax <= 0)
max = 0;
}
}
}
axis.min = min;
axis.max = max;
}
function setupTickGeneration(axis) {
var opts = axis.options;
var noTicks;
if (typeof opts.ticks == "number" && opts.ticks > 0)
noTicks = opts.ticks;
else
noTicks = 0.3 * Math.sqrt(axis.direction == "x" ? canvasWidth : canvasHeight);
var delta = (axis.max - axis.min) / noTicks,
size, generator, unit, formatter, i, magn, norm;
if (opts.mode == "time") {
var timeUnitSize = {
"second": 1000,
"minute": 60 * 1000,
"hour": 60 * 60 * 1000,
"day": 24 * 60 * 60 * 1000,
"month": 30 * 24 * 60 * 60 * 1000,
"year": 365.2425 * 24 * 60 * 60 * 1000
};
var spec = [
[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"]
];
var minSize = 0;
if (opts.minTickSize != null) {
if (typeof opts.tickSize == "number")
minSize = opts.tickSize;
else
minSize = opts.minTickSize[0] * timeUnitSize[opts.minTickSize[1]];
}
for (var i = 0; i < spec.length - 1; ++i)
if (delta < (spec[i][0] * timeUnitSize[spec[i][1]]
+ spec[i + 1][0] * timeUnitSize[spec[i + 1][1]]) / 2
&& spec[i][0] * timeUnitSize[spec[i][1]] >= minSize)
break;
size = spec[i][0];
unit = spec[i][1];
if (unit == "year") {
magn = Math.pow(10, Math.floor(Math.log(delta / timeUnitSize.year) / Math.LN10));
norm = (delta / timeUnitSize.year) / magn;
if (norm < 1.5)
size = 1;
else if (norm < 3)
size = 2;
else if (norm < 7.5)
size = 5;
else
size = 10;
size *= magn;
}
axis.tickSize = opts.tickSize || [size, unit];
generator = function(axis) {
var ticks = [],
tickSize = axis.tickSize[0], unit = axis.tickSize[1],
d = new Date(axis.min);
var step = tickSize * timeUnitSize[unit];
if (unit == "second")
d.setUTCSeconds(floorInBase(d.getUTCSeconds(), tickSize));
if (unit == "minute")
d.setUTCMinutes(floorInBase(d.getUTCMinutes(), tickSize));
if (unit == "hour")
d.setUTCHours(floorInBase(d.getUTCHours(), tickSize));
if (unit == "month")
d.setUTCMonth(floorInBase(d.getUTCMonth(), tickSize));
if (unit == "year")
d.setUTCFullYear(floorInBase(d.getUTCFullYear(), tickSize));
d.setUTCMilliseconds(0);
if (step >= timeUnitSize.minute)
d.setUTCSeconds(0);
if (step >= timeUnitSize.hour)
d.setUTCMinutes(0);
if (step >= timeUnitSize.day)
d.setUTCHours(0);
if (step >= timeUnitSize.day * 4)
d.setUTCDate(1);
if (step >= timeUnitSize.year)
d.setUTCMonth(0);
var carry = 0, v = Number.NaN, prev;
do {
prev = v;
v = d.getTime();
ticks.push(v);
if (unit == "month") {
if (tickSize < 1) {
d.setUTCDate(1);
var start = d.getTime();
d.setUTCMonth(d.getUTCMonth() + 1);
var end = d.getTime();
d.setTime(v + carry * timeUnitSize.hour + (end - start) * tickSize);
carry = d.getUTCHours();
d.setUTCHours(0);
}
else
d.setUTCMonth(d.getUTCMonth() + tickSize);
}
else if (unit == "year") {
d.setUTCFullYear(d.getUTCFullYear() + tickSize);
}
else
d.setTime(v + step);
} while (v < axis.max && v != prev);
return ticks;
};
formatter = function (v, axis) {
var d = new Date(v);
if (opts.timeformat != null)
return $.plot.formatDate(d, opts.timeformat, opts.monthNames);
var t = axis.tickSize[0] * timeUnitSize[axis.tickSize[1]];
var span = axis.max - axis.min;
var suffix = (opts.twelveHourClock) ? " %p" : "";
if (t < timeUnitSize.minute)
fmt = "%h:%M:%S" + suffix;
else if (t < timeUnitSize.day) {
if (span < 2 * timeUnitSize.day)
fmt = "%h:%M" + suffix;
else
fmt = "%b %d %h:%M" + suffix;
}
else if (t < timeUnitSize.month)
fmt = "%b %d";
else if (t < timeUnitSize.year) {
if (span < timeUnitSize.year)
fmt = "%b";
else
fmt = "%b %y";
}
else
fmt = "%y";
return $.plot.formatDate(d, fmt, opts.monthNames);
};
}
else {
var maxDec = opts.tickDecimals;
var dec = -Math.floor(Math.log(delta) / Math.LN10);
if (maxDec != null && dec > maxDec)
dec = maxDec;
magn = Math.pow(10, -dec);
norm = delta / magn; // norm is between 1.0 and 10.0
if (norm < 1.5)
size = 1;
else if (norm < 3) {
size = 2;
if (norm > 2.25 && (maxDec == null || dec + 1 <= maxDec)) {
size = 2.5;
++dec;
}
}
else if (norm < 7.5)
size = 5;
else
size = 10;
size *= magn;
if (opts.minTickSize != null && size < opts.minTickSize)
size = opts.minTickSize;
axis.tickDecimals = Math.max(0, maxDec != null ? maxDec : dec);
axis.tickSize = opts.tickSize || size;
generator = function (axis) {
var ticks = [];
var start = floorInBase(axis.min, axis.tickSize),
i = 0, v = Number.NaN, prev;
do {
prev = v;
v = start + i * axis.tickSize;
ticks.push(v);
++i;
} while (v < axis.max && v != prev);
return ticks;
};
formatter = function (v, axis) {
return v.toFixed(axis.tickDecimals);
};
}
if (opts.alignTicksWithAxis != null) {
var otherAxis = (axis.direction == "x" ? xaxes : yaxes)[opts.alignTicksWithAxis - 1];
if (otherAxis && otherAxis.used && otherAxis != axis) {
var niceTicks = generator(axis);
if (niceTicks.length > 0) {
if (opts.min == null)
axis.min = Math.min(axis.min, niceTicks[0]);
if (opts.max == null && niceTicks.length > 1)
axis.max = Math.max(axis.max, niceTicks[niceTicks.length - 1]);
}
generator = function (axis) {
var ticks = [], v, i;
for (i = 0; i < otherAxis.ticks.length; ++i) {
v = (otherAxis.ticks[i].v - otherAxis.min) / (otherAxis.max - otherAxis.min);
v = axis.min + v * (axis.max - axis.min);
ticks.push(v);
}
return ticks;
};
if (!axis.mode && opts.tickDecimals == null) {
var extraDec = Math.max(0, -Math.floor(Math.log(delta) / Math.LN10) + 1),
ts = generator(axis);
if (!(ts.length > 1 && /\..*0$/.test((ts[1] - ts[0]).toFixed(extraDec))))
axis.tickDecimals = extraDec;
}
}
}
axis.tickGenerator = generator;
if ($.isFunction(opts.tickFormatter))
axis.tickFormatter = function (v, axis) { return "" + opts.tickFormatter(v, axis); };
else
axis.tickFormatter = formatter;
}
function setTicks(axis) {
var oticks = axis.options.ticks, ticks = [];
if (oticks == null || (typeof oticks == "number" && oticks > 0))
ticks = axis.tickGenerator(axis);
else if (oticks) {
if ($.isFunction(oticks))
ticks = oticks(axis);
else
ticks = oticks;
}
var i, v;
axis.ticks = [];
for (i = 0; i < ticks.length; ++i) {
var label = null;
var t = ticks[i];
if (typeof t == "object") {
v = +t[0];
if (t.length > 1)
label = t[1];
}
else
v = +t;
if (label == null)
label = axis.tickFormatter(v, axis);
if (!isNaN(v))
axis.ticks.push({ v: v, label: label });
}
}
function snapRangeToTicks(axis, ticks) {
if (axis.options.autoscaleMargin && ticks.length > 0) {
if (axis.options.min == null)
axis.min = Math.min(axis.min, ticks[0].v);
if (axis.options.max == null && ticks.length > 1)
axis.max = Math.max(axis.max, ticks[ticks.length - 1].v);
}
}
function draw() {
ctx.clearRect(0, 0, canvasWidth, canvasHeight);
var grid = options.grid;
if (grid.show && grid.backgroundColor)
drawBackground();
if (grid.show && !grid.aboveData) {
drawGrid();
drawAxisLabels();
}
for (var i = 0; i < series.length; ++i) {
executeHooks(hooks.drawSeries, [ctx, series[i]]);
drawSeries(series[i]);
}
executeHooks(hooks.draw, [ctx]);
if (grid.show && grid.aboveData) {
drawGrid();
drawAxisLabels();
}
}
function extractRange(ranges, coord) {
var axis, from, to, key, axes = allAxes();
for (i = 0; i < axes.length; ++i) {
axis = axes[i];
if (axis.direction == coord) {
key = coord + axis.n + "axis";
if (!ranges[key] && axis.n == 1)
key = coord + "axis"; // support x1axis as xaxis
if (ranges[key]) {
from = ranges[key].from;
to = ranges[key].to;
break;
}
}
}
if (!ranges[key]) {
axis = coord == "x" ? xaxes[0] : yaxes[0];
from = ranges[coord + "1"];
to = ranges[coord + "2"];
}
if (from != null && to != null && from > to) {
var tmp = from;
from = to;
to = tmp;
}
return { from: from, to: to, axis: axis };
}
function drawBackground() {
ctx.save();
ctx.translate(plotOffset.left, plotOffset.top);
ctx.fillStyle = getColorOrGradient(options.grid.backgroundColor, plotHeight, 0, "rgba(255, 255, 255, 0)");
ctx.fillRect(0, 0, plotWidth, plotHeight);
ctx.restore();
}
function drawGrid() {
var i;
ctx.save();
ctx.translate(plotOffset.left, plotOffset.top);
var markings = options.grid.markings;
if (markings) {
if ($.isFunction(markings)) {
var axes = plot.getAxes();
axes.xmin = axes.xaxis.min;
axes.xmax = axes.xaxis.max;
axes.ymin = axes.yaxis.min;
axes.ymax = axes.yaxis.max;
markings = markings(axes);
}
for (i = 0; i < markings.length; ++i) {
var m = markings[i],
xrange = extractRange(m, "x"),
yrange = extractRange(m, "y");
if (xrange.from == null)
xrange.from = xrange.axis.min;
if (xrange.to == null)
xrange.to = xrange.axis.max;
if (yrange.from == null)
yrange.from = yrange.axis.min;
if (yrange.to == null)
yrange.to = yrange.axis.max;
if (xrange.to < xrange.axis.min || xrange.from > xrange.axis.max ||
yrange.to < yrange.axis.min || yrange.from > yrange.axis.max)
continue;
xrange.from = Math.max(xrange.from, xrange.axis.min);
xrange.to = Math.min(xrange.to, xrange.axis.max);
yrange.from = Math.max(yrange.from, yrange.axis.min);
yrange.to = Math.min(yrange.to, yrange.axis.max);
if (xrange.from == xrange.to && yrange.from == yrange.to)
continue;
xrange.from = xrange.axis.p2c(xrange.from);
xrange.to = xrange.axis.p2c(xrange.to);
yrange.from = yrange.axis.p2c(yrange.from);
yrange.to = yrange.axis.p2c(yrange.to);
if (xrange.from == xrange.to || yrange.from == yrange.to) {
ctx.beginPath();
ctx.strokeStyle = m.color || options.grid.markingsColor;
ctx.lineWidth = m.lineWidth || options.grid.markingsLineWidth;
ctx.moveTo(xrange.from, yrange.from);
ctx.lineTo(xrange.to, yrange.to);
ctx.stroke();
}
else {
ctx.fillStyle = m.color || options.grid.markingsColor;
ctx.fillRect(xrange.from, yrange.to,
xrange.to - xrange.from,
yrange.from - yrange.to);
}
}
}
var axes = allAxes(), bw = options.grid.borderWidth;
for (var j = 0; j < axes.length; ++j) {
var axis = axes[j], box = axis.box,
t = axis.tickLength, x, y, xoff, yoff;
if (!axis.show || axis.ticks.length == 0)
continue;
ctx.strokeStyle = axis.options.tickColor || $.color.parse(axis.options.color).scale('a', 0.22).toString();
ctx.lineWidth = 1;
if (axis.direction == "x") {
x = 0;
if (t == "full")
y = (axis.position == "top" ? 0 : plotHeight);
else
y = box.top - plotOffset.top + (axis.position == "top" ? box.height : 0);
}
else {
y = 0;
if (t == "full")
x = (axis.position == "left" ? 0 : plotWidth);
else
x = box.left - plotOffset.left + (axis.position == "left" ? box.width : 0);
}
if (!axis.innermost) {
ctx.beginPath();
xoff = yoff = 0;
if (axis.direction == "x")
xoff = plotWidth;
else
yoff = plotHeight;
if (ctx.lineWidth == 1) {
x = Math.floor(x) + 0.5;
y = Math.floor(y) + 0.5;
}
ctx.moveTo(x, y);
ctx.lineTo(x + xoff, y + yoff);
ctx.stroke();
}
ctx.beginPath();
for (i = 0; i < axis.ticks.length; ++i) {
var v = axis.ticks[i].v;
xoff = yoff = 0;
if (v < axis.min || v > axis.max
|| (t == "full" && bw > 0
&& (v == axis.min || v == axis.max)))
continue;
if (axis.direction == "x") {
x = axis.p2c(v);
yoff = t == "full" ? -plotHeight : t;
if (axis.position == "top")
yoff = -yoff;
}
else {
y = axis.p2c(v);
xoff = t == "full" ? -plotWidth : t;
if (axis.position == "left")
xoff = -xoff;
}
if (ctx.lineWidth == 1) {
if (axis.direction == "x")
x = Math.floor(x) + 0.5;
else
y = Math.floor(y) + 0.5;
}
ctx.moveTo(x, y);
ctx.lineTo(x + xoff, y + yoff);
}
ctx.stroke();
}
if (bw) {
ctx.lineWidth = bw;
ctx.strokeStyle = options.grid.borderColor;
ctx.strokeRect(-bw/2, -bw/2, plotWidth + bw, plotHeight + bw);
}
ctx.restore();
}
function drawAxisLabels() {
ctx.save();
$.each(allAxes(), function (_, axis) {
if (!axis.show || axis.ticks.length == 0)
return;
var box = axis.box, f = axis.font;
ctx.fillStyle = axis.options.color;
ctx.font = f.style + " " + f.variant + " " + f.weight + " " + f.size + "px " + f.family;
ctx.textAlign = "start";
ctx.textBaseline = "middle";
for (var i = 0; i < axis.ticks.length; ++i) {
var tick = axis.ticks[i];
if (!tick.label || tick.v < axis.min || tick.v > axis.max)
continue;
var x, y, offset = 0, line;
for (var k = 0; k < tick.lines.length; ++k) {
line = tick.lines[k];
if (axis.direction == "x") {
x = plotOffset.left + axis.p2c(tick.v) - line.width/2;
if (axis.position == "bottom")
y = box.top + box.padding;
else
y = box.top + box.height - box.padding - tick.height;
}
else {
y = plotOffset.top + axis.p2c(tick.v) - tick.height/2;
if (axis.position == "left")
x = box.left + box.width - box.padding - line.width;
else
x = box.left + box.padding;
}
y += line.height/2 + offset;
offset += line.height;
if ($.browser.opera) {
x = Math.floor(x);
y = Math.ceil(y - 2);
}
ctx.fillText(line.text, x, y);
}
}
});
ctx.restore();
}
function drawSeries(series) {
if (series.lines.show)
drawSeriesLines(series);
if (series.bars.show)
drawSeriesBars(series);
if (series.points.show)
drawSeriesPoints(series);
}
function drawSeriesLines(series) {
function plotLine(datapoints, xoffset, yoffset, axisx, axisy) {
var points = datapoints.points,
ps = datapoints.pointsize,
prevx = null, prevy = null;
ctx.beginPath();
for (var i = ps; i < points.length; i += ps) {
var x1 = points[i - ps], y1 = points[i - ps + 1],
x2 = points[i], y2 = points[i + 1];
if (x1 == null || x2 == null)
continue;
if (y1 <= y2 && y1 < axisy.min) {
if (y2 < axisy.min)
continue; // line segment is outside
x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
y1 = axisy.min;
}
else if (y2 <= y1 && y2 < axisy.min) {
if (y1 < axisy.min)
continue;
x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
y2 = axisy.min;
}
if (y1 >= y2 && y1 > axisy.max) {
if (y2 > axisy.max)
continue;
x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
y1 = axisy.max;
}
else if (y2 >= y1 && y2 > axisy.max) {
if (y1 > axisy.max)
continue;
x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
y2 = axisy.max;
}
if (x1 <= x2 && x1 < axisx.min) {
if (x2 < axisx.min)
continue;
y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
x1 = axisx.min;
}
else if (x2 <= x1 && x2 < axisx.min) {
if (x1 < axisx.min)
continue;
y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
x2 = axisx.min;
}
if (x1 >= x2 && x1 > axisx.max) {
if (x2 > axisx.max)
continue;
y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
x1 = axisx.max;
}
else if (x2 >= x1 && x2 > axisx.max) {
if (x1 > axisx.max)
continue;
y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
x2 = axisx.max;
}
if (x1 != prevx || y1 != prevy)
ctx.moveTo(axisx.p2c(x1) + xoffset, axisy.p2c(y1) + yoffset);
prevx = x2;
prevy = y2;
ctx.lineTo(axisx.p2c(x2) + xoffset, axisy.p2c(y2) + yoffset);
}
ctx.stroke();
}
function plotLineArea(datapoints, axisx, axisy) {
var points = datapoints.points,
ps = datapoints.pointsize,
bottom = Math.min(Math.max(0, axisy.min), axisy.max),
i = 0, top, areaOpen = false,
ypos = 1, segmentStart = 0, segmentEnd = 0;
while (true) {
if (ps > 0 && i > points.length + ps)
break;
i += ps; // ps is negative if going backwards
var x1 = points[i - ps],
y1 = points[i - ps + ypos],
x2 = points[i], y2 = points[i + ypos];
if (areaOpen) {
if (ps > 0 && x1 != null && x2 == null) {
segmentEnd = i;
ps = -ps;
ypos = 2;
continue;
}
if (ps < 0 && i == segmentStart + ps) {
ctx.fill();
areaOpen = false;
ps = -ps;
ypos = 1;
i = segmentStart = segmentEnd + ps;
continue;
}
}
if (x1 == null || x2 == null)
continue;
if (x1 <= x2 && x1 < axisx.min) {
if (x2 < axisx.min)
continue;
y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
x1 = axisx.min;
}
else if (x2 <= x1 && x2 < axisx.min) {
if (x1 < axisx.min)
continue;
y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
x2 = axisx.min;
}
if (x1 >= x2 && x1 > axisx.max) {
if (x2 > axisx.max)
continue;
y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
x1 = axisx.max;
}
else if (x2 >= x1 && x2 > axisx.max) {
if (x1 > axisx.max)
continue;
y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
x2 = axisx.max;
}
if (!areaOpen) {
ctx.beginPath();
ctx.moveTo(axisx.p2c(x1), axisy.p2c(bottom));
areaOpen = true;
}
if (y1 >= axisy.max && y2 >= axisy.max) {
ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.max));
ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.max));
continue;
}
else if (y1 <= axisy.min && y2 <= axisy.min) {
ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.min));
ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.min));
continue;
}
var x1old = x1, x2old = x2;
if (y1 <= y2 && y1 < axisy.min && y2 >= axisy.min) {
x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
y1 = axisy.min;
}
else if (y2 <= y1 && y2 < axisy.min && y1 >= axisy.min) {
x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
y2 = axisy.min;
}
if (y1 >= y2 && y1 > axisy.max && y2 <= axisy.max) {
x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
y1 = axisy.max;
}
else if (y2 >= y1 && y2 > axisy.max && y1 <= axisy.max) {
x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
y2 = axisy.max;
}
if (x1 != x1old) {
ctx.lineTo(axisx.p2c(x1old), axisy.p2c(y1));
}
ctx.lineTo(axisx.p2c(x1), axisy.p2c(y1));
ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2));
if (x2 != x2old) {
ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2));
ctx.lineTo(axisx.p2c(x2old), axisy.p2c(y2));
}
}
}
ctx.save();
ctx.translate(plotOffset.left, plotOffset.top);
ctx.lineJoin = "round";
var lw = series.lines.lineWidth,
sw = series.shadowSize;
if (lw > 0 && sw > 0) {
ctx.lineWidth = sw;
ctx.strokeStyle = "rgba(0,0,0,0.1)";
var angle = Math.PI/18;
plotLine(series.datapoints, Math.sin(angle) * (lw/2 + sw/2), Math.cos(angle) * (lw/2 + sw/2), series.xaxis, series.yaxis);
ctx.lineWidth = sw/2;
plotLine(series.datapoints, Math.sin(angle) * (lw/2 + sw/4), Math.cos(angle) * (lw/2 + sw/4), series.xaxis, series.yaxis);
}
ctx.lineWidth = lw;
ctx.strokeStyle = series.color;
var fillStyle = getFillStyle(series.lines, series.color, 0, plotHeight);
if (fillStyle) {
ctx.fillStyle = fillStyle;
plotLineArea(series.datapoints, series.xaxis, series.yaxis);
}
if (lw > 0)
plotLine(series.datapoints, 0, 0, series.xaxis, series.yaxis);
ctx.restore();
}
function drawSeriesPoints(series) {
function plotPoints(datapoints, radius, fillStyle, offset, shadow, axisx, axisy, symbol) {
var points = datapoints.points, ps = datapoints.pointsize;
for (var i = 0; i < points.length; i += ps) {
var x = points[i], y = points[i + 1];
if (x == null || x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max)
continue;
ctx.beginPath();
x = axisx.p2c(x);
y = axisy.p2c(y) + offset;
if (symbol == "circle")
ctx.arc(x, y, radius, 0, shadow ? Math.PI : Math.PI * 2, false);
else
symbol(ctx, x, y, radius, shadow);
ctx.closePath();
if (fillStyle) {
ctx.fillStyle = fillStyle;
ctx.fill();
}
ctx.stroke();
}
}
ctx.save();
ctx.translate(plotOffset.left, plotOffset.top);
var lw = series.points.lineWidth,
sw = series.shadowSize,
radius = series.points.radius,
symbol = series.points.symbol;
if (lw > 0 && sw > 0) {
var w = sw / 2;
ctx.lineWidth = w;
ctx.strokeStyle = "rgba(0,0,0,0.1)";
plotPoints(series.datapoints, radius, null, w + w/2, true,
series.xaxis, series.yaxis, symbol);
ctx.strokeStyle = "rgba(0,0,0,0.2)";
plotPoints(series.datapoints, radius, null, w/2, true,
series.xaxis, series.yaxis, symbol);
}
ctx.lineWidth = lw;
ctx.strokeStyle = series.color;
plotPoints(series.datapoints, radius,
getFillStyle(series.points, series.color), 0, false,
series.xaxis, series.yaxis, symbol);
ctx.restore();
}
function drawBar(x, y, b, barLeft, barRight, offset, fillStyleCallback, axisx, axisy, c, horizontal, lineWidth) {
var left, right, bottom, top,
drawLeft, drawRight, drawTop, drawBottom,
tmp;
if (horizontal) {
drawBottom = drawRight = drawTop = true;
drawLeft = false;
left = b;
right = x;
top = y + barLeft;
bottom = y + barRight;
if (right < left) {
tmp = right;
right = left;
left = tmp;
drawLeft = true;
drawRight = false;
}
}
else {
drawLeft = drawRight = drawTop = true;
drawBottom = false;
left = x + barLeft;
right = x + barRight;
bottom = b;
top = y;
if (top < bottom) {
tmp = top;
top = bottom;
bottom = tmp;
drawBottom = true;
drawTop = false;
}
}
if (right < axisx.min || left > axisx.max ||
top < axisy.min || bottom > axisy.max)
return;
if (left < axisx.min) {
left = axisx.min;
drawLeft = false;
}
if (right > axisx.max) {
right = axisx.max;
drawRight = false;
}
if (bottom < axisy.min) {
bottom = axisy.min;
drawBottom = false;
}
if (top > axisy.max) {
top = axisy.max;
drawTop = false;
}
left = axisx.p2c(left);
bottom = axisy.p2c(bottom);
right = axisx.p2c(right);
top = axisy.p2c(top);
if (fillStyleCallback) {
c.beginPath();
c.moveTo(left, bottom);
c.lineTo(left, top);
c.lineTo(right, top);
c.lineTo(right, bottom);
c.fillStyle = fillStyleCallback(bottom, top);
c.fill();
}
if (lineWidth > 0 && (drawLeft || drawRight || drawTop || drawBottom)) {
c.beginPath();
c.moveTo(left, bottom + offset);
if (drawLeft)
c.lineTo(left, top + offset);
else
c.moveTo(left, top + offset);
if (drawTop)
c.lineTo(right, top + offset);
else
c.moveTo(right, top + offset);
if (drawRight)
c.lineTo(right, bottom + offset);
else
c.moveTo(right, bottom + offset);
if (drawBottom)
c.lineTo(left, bottom + offset);
else
c.moveTo(left, bottom + offset);
c.stroke();
}
}
function drawSeriesBars(series) {
function plotBars(datapoints, barLeft, barRight, offset, fillStyleCallback, axisx, axisy) {
var points = datapoints.points, ps = datapoints.pointsize;
for (var i = 0; i < points.length; i += ps) {
if (points[i] == null)
continue;
drawBar(points[i], points[i + 1], points[i + 2], barLeft, barRight, offset, fillStyleCallback, axisx, axisy, ctx, series.bars.horizontal, series.bars.lineWidth);
}
}
ctx.save();
ctx.translate(plotOffset.left, plotOffset.top);
ctx.lineWidth = series.bars.lineWidth;
ctx.strokeStyle = series.color;
var barLeft = series.bars.align == "left" ? 0 : -series.bars.barWidth/2;
var fillStyleCallback = series.bars.fill ? function (bottom, top) { return getFillStyle(series.bars, series.color, bottom, top); } : null;
plotBars(series.datapoints, barLeft, barLeft + series.bars.barWidth, 0, fillStyleCallback, series.xaxis, series.yaxis);
ctx.restore();
}
function getFillStyle(filloptions, seriesColor, bottom, top) {
var fill = filloptions.fill;
if (!fill)
return null;
if (filloptions.fillColor)
return getColorOrGradient(filloptions.fillColor, bottom, top, seriesColor);
var c = $.color.parse(seriesColor);
c.a = typeof fill == "number" ? fill : 0.4;
c.normalize();
return c.toString();
}
function insertLegend() {
placeholder.find(".legend").remove();
if (!options.legend.show)
return;
var fragments = [], rowStarted = false,
lf = options.legend.labelFormatter, s, label;
for (var i = 0; i < series.length; ++i) {
s = series[i];
label = s.label;
if (!label)
continue;
if (i % options.legend.noColumns == 0) {
if (rowStarted)
fragments.push('');
fragments.push('');
rowStarted = true;
}
if (lf)
label = lf(label, s);
fragments.push(
' | ' +
'' + label + ' | ');
}
if (rowStarted)
fragments.push('
');
if (fragments.length == 0)
return;
var table = '' + fragments.join("") + '
';
if (options.legend.container != null)
$(options.legend.container).html(table);
else {
var pos = "",
p = options.legend.position,
m = options.legend.margin;
if (m[0] == null)
m = [m, m];
if (p.charAt(0) == "n")
pos += 'top:' + (m[1] + plotOffset.top) + 'px;';
else if (p.charAt(0) == "s")
pos += 'bottom:' + (m[1] + plotOffset.bottom) + 'px;';
if (p.charAt(1) == "e")
pos += 'right:' + (m[0] + plotOffset.right) + 'px;';
else if (p.charAt(1) == "w")
pos += 'left:' + (m[0] + plotOffset.left) + 'px;';
var legend = $('' + table.replace('style="', 'style="position:absolute;' + pos +';') + '
').appendTo(placeholder);
if (options.legend.backgroundOpacity != 0.0) {
var c = options.legend.backgroundColor;
if (c == null) {
c = options.grid.backgroundColor;
if (c && typeof c == "string")
c = $.color.parse(c);
else
c = $.color.extract(legend, 'background-color');
c.a = 1;
c = c.toString();
}
var div = legend.children();
$('
').prependTo(legend).css('opacity', options.legend.backgroundOpacity);
}
}
}
var highlights = [],
redrawTimeout = null;
function findNearbyItem(mouseX, mouseY, seriesFilter) {
var maxDistance = options.grid.mouseActiveRadius,
smallestDistance = maxDistance * maxDistance + 1,
item = null, foundPoint = false, i, j;
for (i = series.length - 1; i >= 0; --i) {
if (!seriesFilter(series[i]))
continue;
var s = series[i],
axisx = s.xaxis,
axisy = s.yaxis,
points = s.datapoints.points,
ps = s.datapoints.pointsize,
mx = axisx.c2p(mouseX), // precompute some stuff to make the loop faster
my = axisy.c2p(mouseY),
maxx = maxDistance / axisx.scale,
maxy = maxDistance / axisy.scale;
if (axisx.options.inverseTransform)
maxx = Number.MAX_VALUE;
if (axisy.options.inverseTransform)
maxy = Number.MAX_VALUE;
if (s.lines.show || s.points.show) {
for (j = 0; j < points.length; j += ps) {
var x = points[j], y = points[j + 1];
if (x == null)
continue;
if (x - mx > maxx || x - mx < -maxx ||
y - my > maxy || y - my < -maxy)
continue;
var dx = Math.abs(axisx.p2c(x) - mouseX),
dy = Math.abs(axisy.p2c(y) - mouseY),
dist = dx * dx + dy * dy; // we save the sqrt
if (dist < smallestDistance) {
smallestDistance = dist;
item = [i, j / ps];
}
}
}
if (s.bars.show && !item) { // no other point can be nearby
var barLeft = s.bars.align == "left" ? 0 : -s.bars.barWidth/2,
barRight = barLeft + s.bars.barWidth;
for (j = 0; j < points.length; j += ps) {
var x = points[j], y = points[j + 1], b = points[j + 2];
if (x == null)
continue;
if (series[i].bars.horizontal ?
(mx <= Math.max(b, x) && mx >= Math.min(b, x) &&
my >= y + barLeft && my <= y + barRight) :
(mx >= x + barLeft && mx <= x + barRight &&
my >= Math.min(b, y) && my <= Math.max(b, y)))
item = [i, j / ps];
}
}
}
if (item) {
i = item[0];
j = item[1];
ps = series[i].datapoints.pointsize;
return { datapoint: series[i].datapoints.points.slice(j * ps, (j + 1) * ps),
dataIndex: j,
series: series[i],
seriesIndex: i };
}
return null;
}
function onMouseMove(e) {
if (options.grid.hoverable)
triggerClickHoverEvent("plothover", e,
function (s) { return s["hoverable"] != false; });
}
function onMouseLeave(e) {
if (options.grid.hoverable)
triggerClickHoverEvent("plothover", e,
function (s) { return false; });
}
function onClick(e) {
triggerClickHoverEvent("plotclick", e,
function (s) { return s["clickable"] != false; });
}
function triggerClickHoverEvent(eventname, event, seriesFilter) {
var offset = eventHolder.offset(),
canvasX = event.pageX - offset.left - plotOffset.left,
canvasY = event.pageY - offset.top - plotOffset.top,
pos = canvasToAxisCoords({ left: canvasX, top: canvasY });
pos.pageX = event.pageX;
pos.pageY = event.pageY;
var item = findNearbyItem(canvasX, canvasY, seriesFilter);
if (item) {
item.pageX = parseInt(item.series.xaxis.p2c(item.datapoint[0]) + offset.left + plotOffset.left);
item.pageY = parseInt(item.series.yaxis.p2c(item.datapoint[1]) + offset.top + plotOffset.top);
}
if (options.grid.autoHighlight) {
for (var i = 0; i < highlights.length; ++i) {
var h = highlights[i];
if (h.auto == eventname &&
!(item && h.series == item.series &&
h.point[0] == item.datapoint[0] &&
h.point[1] == item.datapoint[1]))
unhighlight(h.series, h.point);
}
if (item)
highlight(item.series, item.datapoint, eventname);
}
placeholder.trigger(eventname, [ pos, item ]);
}
function triggerRedrawOverlay() {
var t = options.interaction.redrawOverlayInterval;
if (t == -1) { // skip event queue
drawOverlay();
return;
}
if (!redrawTimeout)
redrawTimeout = setTimeout(drawOverlay, t);
}
function drawOverlay() {
redrawTimeout = null;
octx.save();
octx.clearRect(0, 0, canvasWidth, canvasHeight);
octx.translate(plotOffset.left, plotOffset.top);
var i, hi;
for (i = 0; i < highlights.length; ++i) {
hi = highlights[i];
if (hi.series.bars.show)
drawBarHighlight(hi.series, hi.point);
else
drawPointHighlight(hi.series, hi.point);
}
octx.restore();
executeHooks(hooks.drawOverlay, [octx]);
}
function highlight(s, point, auto) {
if (typeof s == "number")
s = series[s];
if (typeof point == "number") {
var ps = s.datapoints.pointsize;
point = s.datapoints.points.slice(ps * point, ps * (point + 1));
}
var i = indexOfHighlight(s, point);
if (i == -1) {
highlights.push({ series: s, point: point, auto: auto });
triggerRedrawOverlay();
}
else if (!auto)
highlights[i].auto = false;
}
function unhighlight(s, point) {
if (s == null && point == null) {
highlights = [];
triggerRedrawOverlay();
}
if (typeof s == "number")
s = series[s];
if (typeof point == "number")
point = s.data[point];
var i = indexOfHighlight(s, point);
if (i != -1) {
highlights.splice(i, 1);
triggerRedrawOverlay();
}
}
function indexOfHighlight(s, p) {
for (var i = 0; i < highlights.length; ++i) {
var h = highlights[i];
if (h.series == s && h.point[0] == p[0]
&& h.point[1] == p[1])
return i;
}
return -1;
}
function drawPointHighlight(series, point) {
var x = point[0], y = point[1],
axisx = series.xaxis, axisy = series.yaxis;
if (x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max)
return;
var pointRadius = series.points.radius + series.points.lineWidth / 2;
octx.lineWidth = pointRadius;
octx.strokeStyle = $.color.parse(series.color).scale('a', 0.5).toString();
var radius = 1.5 * pointRadius,
x = axisx.p2c(x),
y = axisy.p2c(y);
octx.beginPath();
if (series.points.symbol == "circle")
octx.arc(x, y, radius, 0, 2 * Math.PI, false);
else
series.points.symbol(octx, x, y, radius, false);
octx.closePath();
octx.stroke();
}
function drawBarHighlight(series, point) {
octx.lineWidth = series.bars.lineWidth;
octx.strokeStyle = $.color.parse(series.color).scale('a', 0.5).toString();
var fillStyle = $.color.parse(series.color).scale('a', 0.5).toString();
var barLeft = series.bars.align == "left" ? 0 : -series.bars.barWidth/2;
drawBar(point[0], point[1], point[2] || 0, barLeft, barLeft + series.bars.barWidth,
0, function () { return fillStyle; }, series.xaxis, series.yaxis, octx, series.bars.horizontal, series.bars.lineWidth);
}
function getColorOrGradient(spec, bottom, top, defaultColor) {
if (typeof spec == "string")
return spec;
else {
var gradient = ctx.createLinearGradient(0, top, 0, bottom);
for (var i = 0, l = spec.colors.length; i < l; ++i) {
var c = spec.colors[i];
if (typeof c != "string") {
var co = $.color.parse(defaultColor);
if (c.brightness != null)
co = co.scale('rgb', c.brightness);
if (c.opacity != null)
co.a *= c.opacity;
c = co.toString();
}
gradient.addColorStop(i / (l - 1), c);
}
return gradient;
}
}
}
$.plot = function(placeholder, data, options) {
var plot = new Plot($(placeholder), data, options, $.plot.plugins);
return plot;
};
$.plot.version = "0.7";
$.plot.plugins = [];
$.plot.formatDate = function(d, fmt, monthNames) {
var leftPad = function(n) {
n = "" + n;
return n.length == 1 ? "0" + n : n;
};
var r = [];
var escape = false, padNext = false;
var hours = d.getUTCHours();
var isAM = hours < 12;
if (monthNames == null)
monthNames = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
if (fmt.search(/%p|%P/) != -1) {
if (hours > 12) {
hours = hours - 12;
} else if (hours == 0) {
hours = 12;
}
}
for (var i = 0; i < fmt.length; ++i) {
var c = fmt.charAt(i);
if (escape) {
switch (c) {
case 'h': c = "" + hours; break;
case 'H': c = leftPad(hours); break;
case 'M': c = leftPad(d.getUTCMinutes()); break;
case 'S': c = leftPad(d.getUTCSeconds()); break;
case 'd': c = "" + d.getUTCDate(); break;
case 'm': c = "" + (d.getUTCMonth() + 1); break;
case 'y': c = "" + d.getUTCFullYear(); break;
case 'b': c = "" + monthNames[d.getUTCMonth()]; break;
case 'p': c = (isAM) ? ("" + "am") : ("" + "pm"); break;
case 'P': c = (isAM) ? ("" + "AM") : ("" + "PM"); break;
case '0': c = ""; padNext = true; break;
}
if (c && padNext) {
c = leftPad(c);
padNext = false;
}
r.push(c);
if (!padNext)
escape = false;
}
else {
if (c == "%")
escape = true;
else
r.push(c);
}
}
return r.join("");
};
function floorInBase(n, base) {
return base * Math.floor(n / base);
}
})(jQuery);
function HideContent(){
ClearTimeout();
for( var i=0; i 0){
$("#link_toggle_"+id).html(read_mode);
}
if($("#label_"+id).length > 0){
$("#label_"+id).removeClass('hidden');
}
$("#toggle_"+id).slideUp("fast");
if($("#short_"+id).length > 0){
$("#short_"+id).removeClass('hidden');
}
}else{
if($("#link_toggle_"+id).length > 0){
$("#link_toggle_"+id).html(read_less);
}
if($("#short_"+id).length > 0){
$("#short_"+id).addClass('hidden');
}
if($("#label_"+id).length > 0){
$("#label_"+id).addClass('hidden');
}
$("#toggle_"+id).slideDown("fast");
}
}
function set_css(check_item, target_item, class_name){
var element = document.getElementById(check_item);
if( (element.style.display == "") || (element.style.display == "block") ){
$("#"+target_item).removeClass(class_name);
}else{
$("#"+target_item).addClass(class_name);
}
}
function fade_in(id){
$("#"+id).fadeIn('fast');
}
function fade_out(id){
$("#"+id).fadeOut('fast');
}
$(document).ready(function(){
});
var k3b_bookmark_error = "";
function k3b_create_bookmark_link( url ) {
var title = document.title;
if (window.sidebar) { // Mozilla Firefox Bookmark
window.sidebar.addPanel(title, url,"");
} else if( window.external ) { // IE Favorite
window.external.AddFavorite( url, title);
} else if(window.opera && window.print) { // Opera Hotlist
alert( k3b_bookmark_error );
} else {
alert( k3b_bookmark_error );
}
}