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PK! common.jsnuIw$(document).ready(function () { if($('.datatable-1').length>0){ $('.datatable-1').dataTable(); $('.dataTables_paginate').addClass('btn-group datatable-pagination'); $('.dataTables_paginate > a').wrapInner(''); $('.dataTables_paginate > a:first-child').append(''); $('.dataTables_paginate > a:last-child').append(''); $( '.slider-range').slider({ range: true, min: 0, max: 20000, values: [ 3000, 12000 ], slide: function(event, ui) { $(this).find('.ui-slider-handle').attr('title', ui.value); }, }); $( '#amount' ).val( '$' + $( '.slider-range' ).slider( 'values', 0 ) + ' - $' + $( '.slider-range' ).slider( 'values', 1 ) ); //Graph/Chart index.html var d1 = [ [0, 1], [1, 14], [2, 5], [3, 4], [4, 5], [5, 1], [6, 14], [7, 5], [8, 5] ]; var d2 = [ [0, 5], [1, 2], [2, 10], [3, 1], [4, 9], [5, 5], [6, 2], [7, 10], [8, 8] ]; var plot = $.plot($('#placeholder2'), [ { data: d1, label: 'Profits'}, { data: d2, label: 'Expenses' } ], { lines: { show: true, fill: true, /*SWITCHED*/ lineWidth: 2 }, points: { show: true, lineWidth: 5 }, grid: { clickable: true, hoverable: true, autoHighlight: true, mouseActiveRadius: 10, aboveData: true, backgroundColor: '#fff', borderWidth: 0, minBorderMargin: 25, }, colors: [ '#55f3c0', '#0db37e', '#b4fae3', '#e0d1cb'], shadowSize: 0 }); function showTooltip(x, y, contents) { $('
' + contents + '
').css( { position: 'absolute', display: 'none', top: y + 5, left: x + 5 }).appendTo('body').fadeIn(300); } var previousPoint = null; $('#placeholder2').bind('plothover', function (event, pos, item) { $('#x').text(pos.x.toFixed(2)); $('#y').text(pos.y.toFixed(2)); if (item) { if (previousPoint != item.dataIndex) { previousPoint = item.dataIndex; $('#gridtip').remove(); var x = item.datapoint[0].toFixed(0), y = item.datapoint[1].toFixed(0); showTooltip(item.pageX, item.pageY, 'x : ' + x + '    y : ' + y); } } else { $('#gridtip').remove(); previousPoint = null; } }); } else { var d1 = [ [0, 1], [1, 14], [2, 5], [3, 4], [4, 5], [5, 1], [6, 14], [7, 5], [8, 5] ]; var d2 = [ [0, 5], [1, 2], [2, 10], [3, 1], [4, 9], [5, 5], [6, 2], [7, 10], [8, 8] ]; var plot = $.plot($("#placeholder"), [ { data: d1, label: "Data A" }, { data: d2, label: "Data B" } ], { lines: { show: true, fill: false, lineWidth: 2 }, points: { show: true, lineWidth: 5 }, grid: { clickable: true, hoverable: true, autoHighlight: true, mouseActiveRadius: 10, aboveData: true, backgroundColor: "#fafafa", borderWidth: 0, minBorderMargin: 25, }, colors: [ "#090", "#099", "#609", "#900"], shadowSize: 0 }); var d1 = [ [0, 1], [1, 14], [2, 5], [3, 4], [4, 5], [5, 1], [6, 14], [7, 5], [8, 5] ]; var d2 = [ [0, 5], [1, 2], [2, 10], [3, 1], [4, 9], [5, 5], [6, 2], [7, 10], [8, 8] ]; var plot = $.plot($("#placeholder2"), [ { data: d1, label: "Data Y"}, { data: d2, label: "Data X" } ], { lines: { show: true, fill: true, /*SWITCHED*/ lineWidth: 2 }, points: { show: true, lineWidth: 5 }, grid: { clickable: true, hoverable: true, autoHighlight: true, mouseActiveRadius: 10, aboveData: true, backgroundColor: "#fafafa", borderWidth: 0, minBorderMargin: 25, }, colors: [ "#090", "#099", "#609", "#900"], shadowSize: 0 }); function showTooltip(x, y, contents) { $('
' + contents + '
').css( { position: 'absolute', display: 'none', top: y + 5, left: x + 5 }).appendTo("body").fadeIn(300); } var previousPoint = null; $("#placeholder2").bind("plothover", function (event, pos, item) { $("#x").text(pos.x.toFixed(2)); $("#y").text(pos.y.toFixed(2)); if (item) { if (previousPoint != item.dataIndex) { previousPoint = item.dataIndex; $("#gridtip").remove(); var x = item.datapoint[0].toFixed(0), y = item.datapoint[1].toFixed(0); showTooltip(item.pageX, item.pageY, "x : " + x + "    y : " + y); } } else { $("#gridtip").remove(); previousPoint = null; } }); // PREDEFINED DATA var data = [ { label: "Series1", data: [[1, 10]] }, { label: "Series2", data: [[1, 30]] }, { label: "Series3", data: [[1, 90]] } ]; // DEFAULT $.plot($("#pie-default"), data, { series: { pie: { show: true } } }); // DEFINE ACTIONS FOR pieHover & pieClick function pieHover(event, pos, obj) { if (!obj) return; percent = parseFloat(obj.series.percent).toFixed(2); $("#hover").html('' + obj.series.label + ' - ' + percent + '%'); } function pieClick(event, pos, obj) { if (!obj) return; percent = parseFloat(obj.series.percent).toFixed(2); alert('' + obj.series.label + ': ' + percent + '%'); } // DONUT $.plot($("#pie-donut"), data, { series: { pie: { innerRadius: 50, show: true } } }); // DONUT + INTERACTIVE $.plot($("#pie-interactive"), data, { series: { pie: { innerRadius: 50, show: true } }, grid: { hoverable: true, clickable: true } }); $("#pie-interactive").bind("plothover", pieHover); $("#pie-interactive").bind("plotclick", pieClick); } }); PK!c--flot/jquery.flot.jsnuIw/*! Javascript plotting library for jQuery, v. 0.7. * * Released under the MIT license by IOLA, December 2007. * */ // first an inline dependency, jquery.colorhelpers.js, we inline it here // for convenience /* Plugin for jQuery for working with colors. * * Version 1.1. * * Inspiration from jQuery color animation plugin by John Resig. * * Released under the MIT license by Ole Laursen, October 2009. * * Examples: * * $.color.parse("#fff").scale('rgb', 0.25).add('a', -0.5).toString() * var c = $.color.extract($("#mydiv"), 'background-color'); * console.log(c.r, c.g, c.b, c.a); * $.color.make(100, 50, 25, 0.4).toString() // returns "rgba(100,50,25,0.4)" * * Note that .scale() and .add() return the same modified object * instead of making a new one. * * V. 1.1: Fix error handling so e.g. parsing an empty string does * produce a color rather than just crashing. */ (function(B){B.color={};B.color.make=function(F,E,C,D){var G={};G.r=F||0;G.g=E||0;G.b=C||0;G.a=D!=null?D:1;G.add=function(J,I){for(var H=0;H=1){return"rgb("+[G.r,G.g,G.b].join(",")+")"}else{return"rgba("+[G.r,G.g,G.b,G.a].join(",")+")"}};G.normalize=function(){function H(J,K,I){return KI?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); // the actual Flot code (function($) { function Plot(placeholder, data_, options_, plugins) { // data is on the form: // [ series1, series2 ... ] // where series is either just the data as [ [x1, y1], [x2, y2], ... ] // or { data: [ [x1, y1], [x2, y2], ... ], label: "some label", ... } var series = [], options = { // the color theme used for graphs 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" 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 // mode specific options 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: { // we don't put in show: false so we can see // whether lines were actively disabled 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, // interactive stuff 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 }, 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; // public functions 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); }; // public attributes plot.hooks = hooks; // initialize 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(); // fill in defaults in axes, copy at least always the // first as the rest of the code assumes it'll be there 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]); // backwards compatibility, to be removed in future 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; // save options on axes for future reference 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]; // add hooks from options 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 flat array without annoying null entries return $.grep(xaxes.concat(yaxes), function (a) { return a; }); } function canvasToAxisCoords(pos) { // return an object with x/y corresponding to all used axes 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) { // get canvas coords from the first pair of x/y found in 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: $.extend(true, {}, axes == xaxes ? options.xaxis : options.yaxis) }; return axes[number - 1]; } function fillInSeriesOptions() { var i; // collect what we already got of colors var neededColors = series.length, usedColors = [], assignedColors = []; for (i = 0; i < series.length; ++i) { var sc = series[i].color; if (sc != null) { --neededColors; if (typeof sc == "number") assignedColors.push(sc); else usedColors.push($.color.parse(series[i].color)); } } // we might need to generate more colors if higher indices // are assigned for (i = 0; i < assignedColors.length; ++i) { neededColors = Math.max(neededColors, assignedColors[i] + 1); } // produce colors as needed 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]); // vary color if needed var sign = variation % 2 == 1 ? -1 : 1; c.scale('rgb', 1 + sign * Math.ceil(variation / 2) * 0.2) // FIXME: if we're getting to close to something else, // we should probably skip this one colors.push(c); ++i; if (i >= options.colors.length) { i = 0; ++variation; } } // fill in the options var colori = 0, s; for (i = 0; i < series.length; ++i) { s = series[i]; // assign colors if (s.color == null) { s.color = colors[colori].toString(); ++colori; } else if (typeof s.color == "number") s.color = colors[s.color].toString(); // turn on lines automatically in case nothing is set 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; } // setup axes 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) { // init 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 ]); } // first pass: clean and copy data for (i = 0; i < series.length; ++i) { s = series[i]; var data = s.data, format = s.datapoints.format; if (!format) { format = []; // find out how to copy 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]; // extract min/max info if (f.x) updateAxis(s.xaxis, val, val); if (f.y) updateAxis(s.yaxis, val, val); } points[k + m] = null; } } else { // a little bit of line specific stuff that // perhaps shouldn't be here, but lacking // better means... if (insertSteps && k > 0 && points[k - ps] != null && points[k - ps] != points[k] && points[k - ps + 1] != points[k + 1]) { // copy the point to make room for a middle point for (m = 0; m < ps; ++m) points[k + ps + m] = points[k + m]; // middle point has same y points[k + 1] = points[k - ps + 1]; // we've added a point, better reflect that k += ps; } } } } // give the hooks a chance to run for (i = 0; i < series.length; ++i) { s = series[i]; executeHooks(hooks.processDatapoints, [ s, s.datapoints]); } // second pass: find datamax/datamin for auto-scaling for (i = 0; i < series.length; ++i) { s = series[i]; points = s.datapoints.points, ps = s.datapoints.pointsize; 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) { // make sure we got room for the bar on the dancing floor 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); // used for resetting in case we get replotted 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) { // resizing should reset the state (excanvas seems to be // buggy though) if (c.width != canvasWidth) c.width = canvasWidth; if (c.height != canvasHeight) c.height = canvasHeight; // so try to get back to the initial state (even if it's // gone now, this should be safe according to the spec) var cctx = c.getContext("2d"); cctx.restore(); // and save again cctx.save(); } function setupCanvases() { var reused, existingCanvas = placeholder.children("canvas.base"), existingOverlay = placeholder.children("canvas.overlay"); if (existingCanvas.length == 0 || existingOverlay == 0) { // init everything 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, "base"); overlay = makeCanvas(false, "overlay"); // overlay canvas for interactive features reused = false; } else { // reuse existing elements canvas = existingCanvas.get(0); overlay = existingOverlay.get(0); reused = true; } ctx = canvas.getContext("2d"); octx = overlay.getContext("2d"); // we include the canvas in the event holder too, because IE 7 // sometimes has trouble with the stacking order eventHolder = $([overlay, canvas]); if (reused) { // run shutdown in the old plot object placeholder.data("plot").shutdown(); // reset reused canvases plot.resize(); // make sure overlay pixels are cleared (canvas is cleared when we redraw) octx.clearRect(0, 0, canvasWidth, canvasHeight); // then whack any remaining obvious garbage left eventHolder.unbind(); placeholder.children().not([canvas, overlay]).remove(); } // save in case we get replotted placeholder.data("plot", plot); } function bindEvents() { // bind events 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) { // set helper functions on the axis, assumes plot area // has been computed already function identity(x) { return x; } var s, m, t = axis.options.transform || identity, it = axis.options.inverseTransform; // precompute how much the axis is scaling a point // in canvas space 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)); } // data point to canvas coordinate if (t == identity) // slight optimization axis.p2c = function (p) { return (p - m) * s; }; else axis.p2c = function (p) { return (t(p) - m) * s; }; // canvas coordinate to data point 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, i, ticks = axis.ticks || [], labels = [], l, w = opts.labelWidth, h = opts.labelHeight, dummyDiv; function makeDummyDiv(labels, width) { return $('
' + '
' + labels.join("") + '
') .appendTo(placeholder); } if (axis.direction == "x") { // to avoid measuring the widths of the labels (it's slow), we // construct fixed-size boxes and put the labels inside // them, we don't need the exact figures and the // fixed-size box content is easy to center if (w == null) w = Math.floor(canvasWidth / (ticks.length > 0 ? ticks.length : 1)); // measure x label heights if (h == null) { labels = []; for (i = 0; i < ticks.length; ++i) { l = ticks[i].label; if (l) labels.push('
' + l + '
'); } if (labels.length > 0) { // stick them all in the same div and measure // collective height labels.push('
'); dummyDiv = makeDummyDiv(labels, "width:10000px;"); h = dummyDiv.height(); dummyDiv.remove(); } } } else if (w == null || h == null) { // calculate y label dimensions for (i = 0; i < ticks.length; ++i) { l = ticks[i].label; if (l) labels.push('
' + l + '
'); } if (labels.length > 0) { dummyDiv = makeDummyDiv(labels, ""); if (w == null) w = dummyDiv.children().width(); if (h == null) h = dummyDiv.find("div.tickLabel").height(); dummyDiv.remove(); } } if (w == null) w = 0; if (h == null) h = 0; axis.labelWidth = w; axis.labelHeight = h; } function allocateAxisBoxFirstPhase(axis) { // find the bounding box of the axis by looking at label // widths/heights and ticks, make room by diminishing the // plotOffset 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; // determine axis margin var samePosition = $.grep(all, function (a) { return a && a.options.position == pos && a.reserveSpace; }); if ($.inArray(axis, samePosition) == samePosition.length - 1) axismargin = 0; // outermost // determine tick length - if we're innermost, we can use "full" if (tickLength == null) tickLength = "full"; var sameDirection = $.grep(all, function (a) { return a && a.reserveSpace; }); var innermost = $.inArray(axis, sameDirection) == 0; if (!innermost && tickLength == "full") tickLength = 5; if (!isNaN(+tickLength)) padding += +tickLength; // compute box 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 }; } } // save for future reference axis.position = pos; axis.tickLength = tickLength; axis.box.padding = padding; axis.innermost = innermost; } function allocateAxisBoxSecondPhase(axis) { // set remaining bounding box coordinates if (axis.direction == "x") { axis.box.left = plotOffset.left; axis.box.width = plotWidth; } else { axis.box.top = plotOffset.top; axis.box.height = plotHeight; } } function setupGrid() { var i, axes = allAxes(); // first calculate the plot and axis box dimensions $.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); }); allocatedAxes = $.grep(axes, function (axis) { return axis.reserveSpace; }); plotOffset.left = plotOffset.right = plotOffset.top = plotOffset.bottom = 0; if (options.grid.show) { $.each(allocatedAxes, function (_, axis) { // make the ticks setupTickGeneration(axis); setTicks(axis); snapRangeToTicks(axis, axis.ticks); // find labelWidth/Height for axis measureTickLabels(axis); }); // with all dimensions in house, we can compute the // axis boxes, start from the outside (reverse order) for (i = allocatedAxes.length - 1; i >= 0; --i) allocateAxisBoxFirstPhase(allocatedAxes[i]); // make sure we've got enough space for things that // might stick out var minMargin = options.grid.minBorderMargin; if (minMargin == null) { minMargin = 0; for (i = 0; i < series.length; ++i) minMargin = Math.max(minMargin, series[i].points.radius + series[i].points.lineWidth/2); } for (var a in plotOffset) { plotOffset[a] += options.grid.borderWidth; plotOffset[a] = Math.max(minMargin, plotOffset[a]); } } plotWidth = canvasWidth - plotOffset.left - plotOffset.right; plotHeight = canvasHeight - plotOffset.bottom - plotOffset.top; // now we got the proper plotWidth/Height, we can compute the scaling $.each(axes, function (_, axis) { setTransformationHelpers(axis); }); if (options.grid.show) { $.each(allocatedAxes, function (_, axis) { allocateAxisBoxSecondPhase(axis); }); insertAxisLabels(); } 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) { // degenerate case var widen = max == 0 ? 1 : 0.01; if (opts.min == null) min -= widen; // always widen max if we couldn't widen min to ensure we // don't fall into min == max which doesn't work if (opts.max == null || opts.min != null) max += widen; } else { // consider autoscaling var margin = opts.autoscaleMargin; if (margin != null) { if (opts.min == null) { min -= delta * margin; // make sure we don't go below zero if all values // are positive 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; // estimate number of ticks var noTicks; if (typeof opts.ticks == "number" && opts.ticks > 0) noTicks = opts.ticks; else // heuristic based on the model a*sqrt(x) fitted to // some data points that seemed reasonable 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") { // pretty handling of time // map of app. size of time units in milliseconds 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 }; // the allowed tick sizes, after 1 year we use // an integer algorithm 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]; // special-case the possibility of several years 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)); // reset smaller components 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) { // 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 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); // first check global format 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 { // pretty rounding of base-10 numbers 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; // special case for 2.5, requires an extra decimal 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 = []; // spew out all possible 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) { // consider snapping min/max to outermost nice ticks 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) { // copy ticks, scaled to this 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; }; // we might need an extra decimal since forced // ticks don't necessarily fit naturally if (axis.mode != "time" && opts.tickDecimals == null) { var extraDec = Math.max(0, -Math.floor(Math.log(delta) / Math.LN10) + 1), ts = generator(axis); // only proceed if the tick interval rounded // with an extra decimal doesn't give us a // zero at end 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)) // generate the ticks ticks = oticks({ min: axis.min, max: axis.max }); else ticks = oticks; } // clean up/labelify the supplied ticks, copy them over 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) { // snap to ticks 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; // draw background, if any if (grid.show && grid.backgroundColor) drawBackground(); if (grid.show && !grid.aboveData) drawGrid(); 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(); } 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; } } } // backwards-compat stuff - to be removed in future if (!ranges[key]) { axis = coord == "x" ? xaxes[0] : yaxes[0]; from = ranges[coord + "1"]; to = ranges[coord + "2"]; } // auto-reverse as an added bonus 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); // draw markings var markings = options.grid.markings; if (markings) { if ($.isFunction(markings)) { var axes = plot.getAxes(); // xmin etc. is backwards compatibility, to be // removed in the future 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"); // fill in missing 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; // clip 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; // then draw 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) { // draw line 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 { // fill area ctx.fillStyle = m.color || options.grid.markingsColor; ctx.fillRect(xrange.from, yrange.to, xrange.to - xrange.from, yrange.from - yrange.to); } } } // draw the ticks 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; // find the edges 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); } // draw tick bar 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(); } // draw ticks 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 // skip those lying on the axes if we got a border || (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(); } // draw border if (bw) { ctx.lineWidth = bw; ctx.strokeStyle = options.grid.borderColor; ctx.strokeRect(-bw/2, -bw/2, plotWidth + bw, plotHeight + bw); } ctx.restore(); } function insertAxisLabels() { placeholder.find(".tickLabels").remove(); var html = ['
']; var axes = allAxes(); for (var j = 0; j < axes.length; ++j) { var axis = axes[j], box = axis.box; if (!axis.show) continue; //debug: html.push('
') html.push('
'); 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 pos = {}, align; if (axis.direction == "x") { align = "center"; pos.left = Math.round(plotOffset.left + axis.p2c(tick.v) - axis.labelWidth/2); if (axis.position == "bottom") pos.top = box.top + box.padding; else pos.bottom = canvasHeight - (box.top + box.height - box.padding); } else { pos.top = Math.round(plotOffset.top + axis.p2c(tick.v) - axis.labelHeight/2); if (axis.position == "left") { pos.right = canvasWidth - (box.left + box.width - box.padding) align = "right"; } else { pos.left = box.left + box.padding; align = "left"; } } pos.width = axis.labelWidth; var style = ["position:absolute", "text-align:" + align ]; for (var a in pos) style.push(a + ":" + pos[a] + "px") html.push('
' + tick.label + '
'); } html.push('
'); } html.push('
'); placeholder.append(html.join("")); } 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; // clip with ymin if (y1 <= y2 && y1 < axisy.min) { if (y2 < axisy.min) continue; // line segment is outside // compute new intersection point 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; } // clip with ymax 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; } // clip with xmin 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; } // clip with xmax 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; // we process each segment in two turns, first forward // direction to sketch out top, then once we hit the // end we go backwards to sketch the bottom 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) { // at turning point segmentEnd = i; ps = -ps; ypos = 2; continue; } if (ps < 0 && i == segmentStart + ps) { // done with the reverse sweep ctx.fill(); areaOpen = false; ps = -ps; ypos = 1; i = segmentStart = segmentEnd + ps; continue; } } if (x1 == null || x2 == null) continue; // clip x values // clip with xmin 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; } // clip with xmax 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) { // open area ctx.beginPath(); ctx.moveTo(axisx.p2c(x1), axisy.p2c(bottom)); areaOpen = true; } // now first check the case where both is outside 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; } // else it's a bit more complicated, there might // be a flat maxed out rectangle first, then a // triangular cutout or reverse; to find these // keep track of the current x values var x1old = x1, x2old = x2; // clip the y values, without shortcutting, we // go through all cases in turn // clip with ymin 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; } // clip with ymax 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 the x value was changed we got a rectangle // to fill if (x1 != x1old) { ctx.lineTo(axisx.p2c(x1old), axisy.p2c(y1)); // it goes to (x1, y1), but we fill that below } // fill triangular section, this sometimes result // in redundant points if (x1, y1) hasn't changed // from previous line to, but we just ignore that ctx.lineTo(axisx.p2c(x1), axisy.p2c(y1)); ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2)); // fill the other rectangle if it's there 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; // FIXME: consider another form of shadow when filling is turned on if (lw > 0 && sw > 0) { // draw shadow as a thick and thin line with transparency ctx.lineWidth = sw; ctx.strokeStyle = "rgba(0,0,0,0.1)"; // position shadow at angle from the mid of line 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) { // draw shadow in two steps 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; // in horizontal mode, we start the bar from the left // instead of from the bottom so it appears to be // horizontal rather than vertical if (horizontal) { drawBottom = drawRight = drawTop = true; drawLeft = false; left = b; right = x; top = y + barLeft; bottom = y + barRight; // account for negative bars 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; // account for negative bars if (top < bottom) { tmp = top; top = bottom; bottom = tmp; drawBottom = true; drawTop = false; } } // clip 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); // fill the bar 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(); } // draw outline if (lineWidth > 0 && (drawLeft || drawRight || drawTop || drawBottom)) { c.beginPath(); // FIXME: inline moveTo is buggy with excanvas 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); // FIXME: figure out a way to add shadows (for instance along the right edge) 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) { // put in the transparent background // separately to avoid blended labels and // label boxes 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); } } } // interactive features var highlights = [], redrawTimeout = null; // returns the data item the mouse is over, or null if none is found 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; // with inverse transforms, we can't use the maxx/maxy // optimization, sadly 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; // For points and lines, the cursor must be within a // certain distance to the data point if (x - mx > maxx || x - mx < -maxx || y - my > maxy || y - my < -maxy) continue; // We have to calculate distances in pixels, not in // data units, because the scales of the axes may be different var dx = Math.abs(axisx.p2c(x) - mouseX), dy = Math.abs(axisy.p2c(y) - mouseY), dist = dx * dx + dy * dy; // we save the sqrt // use <= to ensure last point takes precedence // (last generally means on top of) 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; // for a bar graph, the cursor must be inside the bar 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; }); } // trigger click or hover event (they send the same parameters // so we share their code) 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) { // fill in mouse pos for any listeners out there 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) { // clear auto-highlights 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() { if (!redrawTimeout) redrawTimeout = setTimeout(drawOverlay, 30); } function drawOverlay() { redrawTimeout = null; // draw highlights 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 { // assume this is a gradient spec; IE currently only // supports a simple vertical gradient properly, so that's // what we support too 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; } } } $.plot = function(placeholder, data, options) { //var t0 = new Date(); var plot = new Plot($(placeholder), data, options, $.plot.plugins); //(window.console ? console.log : alert)("time used (msecs): " + ((new Date()).getTime() - t0.getTime())); return plot; }; $.plot.version = "0.7"; $.plot.plugins = []; // returns a string with the date d formatted according to fmt $.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(""); }; // round to nearby lower multiple of base function floorInBase(n, base) { return base * Math.floor(n / base); } })(jQuery); PK!ER flot/jquery.flot.resize.jsnuIw/* Flot plugin for automatically redrawing plots when the placeholder size changes, e.g. on window resizes. 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); PK!?bPE=X=Xflot/jquery.flot.pie.jsnuIw/* 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; jcanvas.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 && attempts0) maxRadius *= shrink; attempts += 1; clear(); if (options.series.pie.tilt<=0.8) drawShadow(); drawPie(); } if (attempts >= redrawAttempts) { clear(); target.prepend('
Could not draw pie with labels contained inside canvas
'); } 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 = '' + text + ""; 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;'; $('
').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 ? 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