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/* Copyright (c) 2006-2007 Mathias Bank (http://www.mathias-bank.de) * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses. * * Version 2.1 * * Thanks to * Hinnerk Ruemenapf - http://hinnerk.ruemenapf.de/ for bug reporting and fixing. * Tom Leonard for some improvements * */ jQuery.fn.extend({ /** * Returns get parameters. * * If the desired param does not exist, null will be returned * * To get the document params: * @example value = $(document).getUrlParam("paramName"); * * To get the params of a html-attribut (uses src attribute) * @example value = $('#imgLink').getUrlParam("paramName"); */ getUrlParam: function(strParamName){ strParamName = escape(unescape(strParamName)); var returnVal = new Array(); var qString = null; if ($(this).attr("nodeName")=="#document") { //document-handler if (window.location.search.search(strParamName) > -1 ){ qString = window.location.search.substr(1,window.location.search.length).split("&"); } } else if ($(this).attr("src")!="undefined") { var strHref = $(this).attr("src") if ( strHref.indexOf("?") > -1 ){ var strQueryString = strHref.substr(strHref.indexOf("?")+1); qString = strQueryString.split("&"); } } else if ($(this).attr("href")!="undefined") { var strHref = $(this).attr("href") if ( strHref.indexOf("?") > -1 ){ var strQueryString = strHref.substr(strHref.indexOf("?")+1); qString = strQueryString.split("&"); } } else { return null; } if (qString==null) return null; for (var i=0;i 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: { mode: null, // null or "time" 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 // 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 }, yaxis: { autoscaleMargin: 0.02 }, points: { show: false, radius: 3, lineWidth: 2, // in pixels fill: true, fillColor: "#ffffff" }, lines: { show: false, lineWidth: 2, // in pixels fill: false, fillColor: null }, bars: { show: false, lineWidth: 2, // in pixels barWidth: 1, // in units of the x axis fill: true, fillColor: null }, grid: { color: "#545454", // primary color used for outline and labels backgroundColor: null, // null for transparent, else color tickColor: "#dddddd", // color used for the ticks labelMargin: 3, // in pixels borderWidth: 2, clickable: null, coloredAreas: null, // array of { x1, y1, x2, y2 } or fn: plot area -> areas coloredAreasColor: "#f4f4f4" }, selection: { mode: null, // one of null, "x", "y" or "xy" color: "#e8cfac" }, //PIE: default options pie: { show: false, pieStrokeColor: '#FFF', pieStrokeLineWidth: 1, centerOffsetTop:0, centerOffsetLeft:0, showLabel: true, labelFormatter: function(serie){return Math.round(serie.percent)+'%';}, labelOffsetFactor: 5/6, //as part of radius labelBackgroundOpacity: 0.55, labelOffset: 0 }, shadowSize: 4 }; var canvas = null, overlay = null, eventHolder = null, ctx = null, octx = null, target = target_, xaxis = {}, yaxis = {}, plotOffset = { left: 0, right: 0, top: 0, bottom: 0}, yLabelMaxWidth = 0, yLabelMaxHeight = 0, xLabelBoxWidth = 0, canvasWidth = 0, canvasHeight = 0, plotWidth = 0, plotHeight = 0, hozScale = 0, vertScale = 0, //PIE: variables pieChartRadius, pieChartDiameter, pieVertices = 12, arcIncrementMultiplier, pieIndex = 0, pieArcIndex = 0, pieTotal = 0, legendWidth = 0, pieCenterLeft,pieCenterTop, // dedicated to storing data for buggy standard compliance cases workarounds = {}; this.setData = setData; this.setupGrid = setupGrid; this.draw = draw; this.clearSelection = clearSelection; this.setSelection = setSelection; this.getCanvas = function() { return canvas; }; this.getPlotOffset = function() { return plotOffset; }; this.getData = function() { return series; }; this.getAxes = function() { return { xaxis: xaxis, yaxis: yaxis }; }; // initialize parseOptions(options_); setData(data_); constructCanvas(); setupGrid(); draw(); function setData(d) { series = parseData(d); fillInSeriesOptions(); processData(); } function parseData(d) { var res = []; for (var i = 0; i < d.length; i++) { var s; if (d[i].data) { s = {}; for (var v in d[i]) s[v] = d[i][v]; } else { s = { data: d[i] }; } res.push(s); } return res; } function parseOptions(o) { $.extend(true, options, o); // 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; } function fillInSeriesOptions() { var i; // collect what we already got of colors var neededColors = series.length; var usedColors = []; var 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(parseColor(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 = []; var variation = 0; i = 0; while (colors.length < neededColors) { var c; if (options.colors.length == i) // check degenerate case c = new Color(100, 100, 100); else c = parseColor(options.colors[i]); // vary color if needed var sign = variation % 2 == 1 ? -1 : 1; var factor = 1 + sign * Math.ceil(variation / 2) * 0.2; c.scale(factor, factor, factor); // 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(); // copy the rest s.lines = $.extend(true, {}, options.lines, s.lines); s.points = $.extend(true, {}, options.points, s.points); s.bars = $.extend(true, {}, options.bars, s.bars); s.pie = $.extend(true, {}, options.pie, s.pie); if (s.shadowSize == null) s.shadowSize = options.shadowSize; } } function processData() { //PIE: own processing if (options.pie.show) { // Initialize variables pieVertices = 12; // Does not include the center vertex arcIncrementMultiplier = 1 / pieVertices; pieIndex = 0; pieTotal = 0; for (var i=0;i xaxis.datamax) xaxis.datamax = x; if (y < yaxis.datamin) yaxis.datamin = y; if (y > yaxis.datamax) yaxis.datamax = y; } } if (xaxis.datamin == Number.MAX_VALUE) xaxis.datamin = 0; if (yaxis.datamin == Number.MAX_VALUE) yaxis.datamin = 0; if (xaxis.datamax == Number.MIN_VALUE) xaxis.datamax = 1; if (yaxis.datamax == Number.MIN_VALUE) yaxis.datamax = 1; } function constructCanvas() { canvasWidth = target.width(); canvasHeight = target.height(); target.html(""); // clear target target.css("position", "relative"); // for positioning labels and overlay if (canvasWidth <= 0 || canvasHeight <= 0) throw "Invalid dimensions for plot, width = " + canvasWidth + ", height = " + canvasHeight; // the canvas canvas = $('').appendTo(target).get(0); if ($.browser.msie) // excanvas hack canvas = window.G_vmlCanvasManager.initElement(canvas); ctx = canvas.getContext("2d"); // overlay canvas for interactive features overlay = $('').appendTo(target).get(0); if ($.browser.msie) // excanvas hack overlay = window.G_vmlCanvasManager.initElement(overlay); 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]); // bind events if (options.selection.mode != null) { eventHolder.mousedown(onMouseDown); // FIXME: temp. work-around until jQuery bug 1871 is fixed eventHolder.each(function () { this.onmousemove = onMouseMove; }); } if (options.grid.clickable) eventHolder.click(onClick); } function setupGrid() { //PIE: cvalculate radius and exit; if (options.pie.show) { pieChartRadius = options.pie.pieChartRadius || Math.min(canvasWidth,canvasHeight)/2; pieChartDiameter = pieChartRadius * 2; insertLegend(); pieCenterLeft = options.pie.centerOffsetLeft == 'auto'?options.legend.position.match('w')?pieChartRadius+legendWidth:pieChartRadius:pieChartRadius+options.pie.centerOffsetLeft; pieCenterTop = pieChartRadius+ options.pie.centerOffsetTop; return; } // x axis setRange(xaxis, options.xaxis); prepareTickGeneration(xaxis, options.xaxis); setTicks(xaxis, options.xaxis); extendXRangeIfNeededByBar(); // y axis setRange(yaxis, options.yaxis); prepareTickGeneration(yaxis, options.yaxis); setTicks(yaxis, options.yaxis); setSpacing(); insertLabels(); insertLegend(); } function setRange(axis, axisOptions) { var min = axisOptions.min != null ? axisOptions.min : axis.datamin; var max = axisOptions.max != null ? axisOptions.max : axis.datamax; if (max - min == 0.0) { // degenerate case var widen; if (max == 0.0) widen = 1.0; else widen = 0.01; min -= widen; max += widen; } else { // consider autoscaling var margin = axisOptions.autoscaleMargin; if (margin != null) { if (axisOptions.min == null) { min -= (max - min) * margin; // make sure we don't go below zero if all values // are positive if (min < 0 && axis.datamin >= 0) min = 0; } if (axisOptions.max == null) { max += (max - min) * margin; if (max > 0 && axis.datamax <= 0) max = 0; } } } axis.min = min; axis.max = max; } function prepareTickGeneration(axis, axisOptions) { // estimate number of ticks var noTicks; if (typeof axisOptions.ticks == "number" && axisOptions.ticks > 0) noTicks = axisOptions.ticks; else if (axis == xaxis) noTicks = canvasWidth / 100; else noTicks = canvasHeight / 60; var delta = (axis.max - axis.min) / noTicks; var size, generator, unit, formatter, i, magn, norm; if (axisOptions.mode == "time") { // pretty handling of time function formatDate(d, fmt, monthNames) { var leftPad = function(n) { n = "" + n; return n.length == 1 ? "0" + n : n; }; var r = []; var escape = false; if (monthNames == null) monthNames = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; for (var i = 0; i < fmt.length; ++i) { var c = fmt.charAt(i); if (escape) { switch (c) { case 'h': c = "" + d.getHours(); break; case 'H': c = leftPad(d.getHours()); break; case 'M': c = leftPad(d.getMinutes()); break; case 'S': c = leftPad(d.getSeconds()); break; case 'd': c = "" + d.getDate(); break; case 'm': c = "" + (d.getMonth() + 1); break; case 'y': c = "" + d.getFullYear(); break; case 'b': c = "" + monthNames[d.getMonth()]; break; } r.push(c); escape = false; } else { if (c == "%") escape = true; else r.push(c); } } return r.join(""); } // 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 (axisOptions.minTickSize != null) { if (typeof axisOptions.tickSize == "number") minSize = axisOptions.tickSize; else minSize = axisOptions.minTickSize[0] * timeUnitSize[axisOptions.minTickSize[1]]; } for (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; } if (axisOptions.tickSize) { size = axisOptions.tickSize[0]; unit = axisOptions.tickSize[1]; } 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.setSeconds(floorInBase(d.getSeconds(), tickSize)); if (unit == "minute") d.setMinutes(floorInBase(d.getMinutes(), tickSize)); if (unit == "hour") d.setHours(floorInBase(d.getHours(), tickSize)); if (unit == "month") d.setMonth(floorInBase(d.getMonth(), tickSize)); if (unit == "year") d.setFullYear(floorInBase(d.getFullYear(), tickSize)); // reset smaller components d.setMilliseconds(0); if (step >= timeUnitSize.minute) d.setSeconds(0); if (step >= timeUnitSize.hour) d.setMinutes(0); if (step >= timeUnitSize.day) d.setHours(0); if (step >= timeUnitSize.day * 4) d.setDate(1); if (step >= timeUnitSize.year) d.setMonth(0); var carry = 0, v; do { v = d.getTime(); ticks.push({ v: v, label: axis.tickFormatter(v, axis) }); 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.setDate(1); var start = d.getTime(); d.setMonth(d.getMonth() + 1); var end = d.getTime(); d.setTime(v + carry * timeUnitSize.hour + (end - start) * tickSize); carry = d.getHours(); d.setHours(0); } else d.setMonth(d.getMonth() + tickSize); } else if (unit == "year") { d.setFullYear(d.getFullYear() + tickSize); } else d.setTime(v + step); } while (v < axis.max); return ticks; }; formatter = function (v, axis) { var d = new Date(v); // first check global format if (axisOptions.timeformat != null) return formatDate(d, axisOptions.timeformat, axisOptions.monthNames); var t = axis.tickSize[0] * timeUnitSize[axis.tickSize[1]]; var span = axis.max - axis.min; if (t < timeUnitSize.minute) fmt = "%h:%M:%S"; else if (t < timeUnitSize.day) { if (span < 2 * timeUnitSize.day) fmt = "%h:%M"; else fmt = "%b %d %h:%M"; } 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 formatDate(d, fmt, axisOptions.monthNames); }; } else { // pretty rounding of base-10 numbers var maxDec = axisOptions.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 (axisOptions.minTickSize != null && size < axisOptions.minTickSize) size = axisOptions.minTickSize; if (axisOptions.tickSize != null) size = axisOptions.tickSize; axis.tickDecimals = Math.max(0, (maxDec != null) ? maxDec : dec); generator = function (axis) { var ticks = []; var start = floorInBase(axis.min, axis.tickSize); // then spew out all possible ticks var i = 0, v; do { v = start + i * axis.tickSize; ticks.push({ v: v, label: axis.tickFormatter(v, axis) }); ++i; } while (v < axis.max); return ticks; }; formatter = function (v, axis) { return v.toFixed(axis.tickDecimals); }; } axis.tickSize = unit ? [size, unit] : size; axis.tickGenerator = generator; if ($.isFunction(axisOptions.tickFormatter)) axis.tickFormatter = function (v, axis) { return "" + axisOptions.tickFormatter(v, axis); }; else axis.tickFormatter = formatter; } function extendXRangeIfNeededByBar() { if (options.xaxis.max == null) { // great, we're autoscaling, check if we might need a bump var newmax = xaxis.max; for (var i = 0; i < series.length; ++i) if (series[i].bars.show && series[i].bars.barWidth + xaxis.datamax > newmax) newmax = xaxis.datamax + series[i].bars.barWidth; xaxis.max = newmax; } } function setTicks(axis, axisOptions) { axis.ticks = []; if (axisOptions.ticks == null) axis.ticks = axis.tickGenerator(axis); else if (typeof axisOptions.ticks == "number") { if (axisOptions.ticks > 0) axis.ticks = axis.tickGenerator(axis); } else if (axisOptions.ticks) { var ticks = axisOptions.ticks; if ($.isFunction(ticks)) // generate the ticks ticks = ticks({ min: axis.min, max: axis.max }); // clean up the user-supplied ticks, copy them over var i, v; 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); axis.ticks[i] = { v: v, label: label }; } } if (axisOptions.autoscaleMargin != null && axis.ticks.length > 0) { // snap to ticks if (axisOptions.min == null) axis.min = Math.min(axis.min, axis.ticks[0].v); if (axisOptions.max == null && axis.ticks.length > 1) axis.max = Math.min(axis.max, axis.ticks[axis.ticks.length - 1].v); } } function setSpacing() { // calculate y label dimensions var i, labels = [], l; for (i = 0; i < yaxis.ticks.length; ++i) { l = yaxis.ticks[i].label; if (l) labels.push('
' + l + '
'); } if (labels.length > 0) { var dummyDiv = $('
' + labels.join("") + '
').appendTo(target); yLabelMaxWidth = dummyDiv.width(); yLabelMaxHeight = dummyDiv.find("div").height(); dummyDiv.remove(); } var maxOutset = options.grid.borderWidth; if (options.points.show) maxOutset = Math.max(maxOutset, options.points.radius + options.points.lineWidth/2); for (i = 0; i < series.length; ++i) { if (series[i].points.show) maxOutset = Math.max(maxOutset, series[i].points.radius + series[i].points.lineWidth/2); } plotOffset.left = plotOffset.right = plotOffset.top = plotOffset.bottom = maxOutset; plotOffset.left += yLabelMaxWidth + options.grid.labelMargin; plotWidth = canvasWidth - plotOffset.left - plotOffset.right; // set width for labels; to avoid measuring the widths of // the labels, we construct fixed-size boxes and put the // labels inside them, the fixed-size boxes are easy to // mid-align xLabelBoxWidth = plotWidth / 6; // measure x label heights labels = []; for (i = 0; i < xaxis.ticks.length; ++i) { l = xaxis.ticks[i].label; if (l) labels.push('' + l + ''); } var xLabelMaxHeight = 0; if (labels.length > 0) { var dummyDiv = $('
' + labels.join("") + '
').appendTo(target); xLabelMaxHeight = dummyDiv.height(); dummyDiv.remove(); } plotOffset.bottom += xLabelMaxHeight + options.grid.labelMargin; plotHeight = canvasHeight - plotOffset.bottom - plotOffset.top; hozScale = plotWidth / (xaxis.max - xaxis.min); vertScale = plotHeight / (yaxis.max - yaxis.min); } function draw() { drawGrid(); for (var i = 0; i < series.length; i++) { drawSeries(series[i]); } } function tHoz(x) { return (x - xaxis.min) * hozScale; } function tVert(y) { return plotHeight - (y - yaxis.min) * vertScale; } function drawGrid() { var i; ctx.save(); ctx.clearRect(0, 0, canvasWidth, canvasHeight); ctx.translate(plotOffset.left, plotOffset.top); // draw background, if any if (options.grid.backgroundColor != null) { ctx.fillStyle = options.grid.backgroundColor; ctx.fillRect(0, 0, plotWidth, plotHeight); } //PIE: skip any data processing if (options.pie.show) return; // draw colored areas if (options.grid.coloredAreas) { var areas = options.grid.coloredAreas; if ($.isFunction(areas)) areas = areas({ xmin: xaxis.min, xmax: xaxis.max, ymin: yaxis.min, ymax: yaxis.max }); for (i = 0; i < areas.length; ++i) { var a = areas[i]; // clip if (a.x1 == null || a.x1 < xaxis.min) a.x1 = xaxis.min; if (a.x2 == null || a.x2 > xaxis.max) a.x2 = xaxis.max; if (a.y1 == null || a.y1 < yaxis.min) a.y1 = yaxis.min; if (a.y2 == null || a.y2 > yaxis.max) a.y2 = yaxis.max; var tmp; if (a.x1 > a.x2) { tmp = a.x1; a.x1 = a.x2; a.x2 = tmp; } if (a.y1 > a.y2) { tmp = a.y1; a.y1 = a.y2; a.y2 = tmp; } if (a.x1 >= xaxis.max || a.x2 <= xaxis.min || a.x1 == a.x2 || a.y1 >= yaxis.max || a.y2 <= yaxis.min || a.y1 == a.y2) continue; ctx.fillStyle = a.color || options.grid.coloredAreasColor; ctx.fillRect(Math.floor(tHoz(a.x1)), Math.floor(tVert(a.y2)), Math.floor(tHoz(a.x2) - tHoz(a.x1)), Math.floor(tVert(a.y1) - tVert(a.y2))); } } // draw the inner grid ctx.lineWidth = 1; ctx.strokeStyle = options.grid.tickColor; ctx.beginPath(); var v; for (i = 0; i < xaxis.ticks.length; ++i) { v = xaxis.ticks[i].v; if (v <= xaxis.min || v >= xaxis.max) continue; // skip those lying on the axes ctx.moveTo(Math.floor(tHoz(v)) + ctx.lineWidth/2, 0); ctx.lineTo(Math.floor(tHoz(v)) + ctx.lineWidth/2, plotHeight); } for (i = 0; i < yaxis.ticks.length; ++i) { v = yaxis.ticks[i].v; if (v <= yaxis.min || v >= yaxis.max) continue; ctx.moveTo(0, Math.floor(tVert(v)) + ctx.lineWidth/2); ctx.lineTo(plotWidth, Math.floor(tVert(v)) + ctx.lineWidth/2); } ctx.stroke(); if (options.grid.borderWidth) { // draw border ctx.lineWidth = options.grid.borderWidth; ctx.strokeStyle = options.grid.color; ctx.lineJoin = "round"; ctx.strokeRect(0, 0, plotWidth, plotHeight); ctx.restore(); } } function insertLabels() { target.find(".tickLabels").remove(); var i, tick; var html = '
'; // do the x-axis for (i = 0; i < xaxis.ticks.length; ++i) { tick = xaxis.ticks[i]; if (!tick.label || tick.v < xaxis.min || tick.v > xaxis.max) continue; html += '
' + tick.label + "
"; } // do the y-axis for (i = 0; i < yaxis.ticks.length; ++i) { tick = yaxis.ticks[i]; if (!tick.label || tick.v < yaxis.min || tick.v > yaxis.max) continue; html += '
' + tick.label + "
"; } html += '
'; target.append(html); } function drawSeries(series) { //PIE: if pie draw it and stop if (series.pie.show) { drawSeriesPie(series); return; } if (series.lines.show || (!series.bars.show && !series.points.show)) drawSeriesLines(series); if (series.bars.show) drawSeriesBars(series); if (series.points.show) drawSeriesPoints(series); } //PIE: draw series pie function drawSeriesPie(serie){ var thisvalue = serie.data / pieTotal; var arcStartAngle = Math.PI * (- 0.5 + 2 * pieIndex); // -0.5 sets set the start to be top var arcEndAngle = Math.PI * (- 0.5 + 2 * (pieIndex + thisvalue)); ctx.beginPath(); ctx.lineWidth = 0; ctx.moveTo(pieCenterLeft,pieCenterTop); // Center of the pie ctx.arc( // draw next arc pieCenterLeft, pieCenterTop, pieChartRadius, arcStartAngle, arcEndAngle, false ); ctx.closePath(); ctx.fillStyle = serie.color; // Color ctx.fill(); // Draw the same thing again to draw stroke properly in IE if (serie.pie.pieStrokeLineWidth > 0) { ctx.strokeStyle = serie.pie.pieStrokeColor; ctx.lineWidth = serie.pie.pieStrokeLineWidth; ctx.beginPath(); ctx.moveTo(pieCenterLeft,pieCenterTop); // Center of the pie ctx.arc( // draw next arc pieCenterLeft, pieCenterTop, pieChartRadius, arcStartAngle, arcEndAngle, false ); ctx.closePath(); ctx.strokeStyle = serie.pie.pieStrokeColor; ctx.stroke(); } ///// STEP 4 - Draw pie labels if (options.pie.showLabel && typeof(options.pie.labelFormatter) == 'function') { var text = options.pie.labelFormatter(serie); var halfAngle = (arcEndAngle + arcStartAngle)/2; var lo = serie.pie.labelOffset?serie.pie.labelOffset:pieChartRadius*serie.pie.labelOffsetFactor; var xh = pieCenterLeft + Math.round(Math.cos(halfAngle) * lo); var yh = pieCenterTop + Math.round(Math.sin(halfAngle) * lo); var html = '
' + text + "
"; target.append(html); var label = $('#pieLabel'+pieArcIndex); label.css('opacity', serie.pie.labelBackgroundOpacity); label.css('top', (plotOffset.top + yh - label.height()/2)); label.css('left', (plotOffset.left + xh - label.width()/2)); } pieIndex += thisvalue; // increment progress tracker pieArcIndex++; } function drawSeriesLines(series) { function plotLine(data, offset) { var prev, cur = null, drawx = null, drawy = null; ctx.beginPath(); for (var i = 0; i < data.length; ++i) { prev = cur; cur = data[i]; if (prev == null || cur == null) continue; var x1 = prev[0], y1 = prev[1], x2 = cur[0], y2 = cur[1]; // clip with ymin if (y1 <= y2 && y1 < yaxis.min) { if (y2 < yaxis.min) continue; // line segment is outside // compute new intersection point x1 = (yaxis.min - y1) / (y2 - y1) * (x2 - x1) + x1; y1 = yaxis.min; } else if (y2 <= y1 && y2 < yaxis.min) { if (y1 < yaxis.min) continue; x2 = (yaxis.min - y1) / (y2 - y1) * (x2 - x1) + x1; y2 = yaxis.min; } // clip with ymax if (y1 >= y2 && y1 > yaxis.max) { if (y2 > yaxis.max) continue; x1 = (yaxis.max - y1) / (y2 - y1) * (x2 - x1) + x1; y1 = yaxis.max; } else if (y2 >= y1 && y2 > yaxis.max) { if (y1 > yaxis.max) continue; x2 = (yaxis.max - y1) / (y2 - y1) * (x2 - x1) + x1; y2 = yaxis.max; } // clip with xmin if (x1 <= x2 && x1 < xaxis.min) { if (x2 < xaxis.min) continue; y1 = (xaxis.min - x1) / (x2 - x1) * (y2 - y1) + y1; x1 = xaxis.min; } else if (x2 <= x1 && x2 < xaxis.min) { if (x1 < xaxis.min) continue; y2 = (xaxis.min - x1) / (x2 - x1) * (y2 - y1) + y1; x2 = xaxis.min; } // clip with xmax if (x1 >= x2 && x1 > xaxis.max) { if (x2 > xaxis.max) continue; y1 = (xaxis.max - x1) / (x2 - x1) * (y2 - y1) + y1; x1 = xaxis.max; } else if (x2 >= x1 && x2 > xaxis.max) { if (x1 > xaxis.max) continue; y2 = (xaxis.max - x1) / (x2 - x1) * (y2 - y1) + y1; x2 = xaxis.max; } if (drawx != tHoz(x1) || drawy != tVert(y1) + offset) ctx.moveTo(tHoz(x1), tVert(y1) + offset); drawx = tHoz(x2); drawy = tVert(y2) + offset; ctx.lineTo(drawx, drawy); } ctx.stroke(); } function plotLineArea(data) { var prev, cur = null; var bottom = Math.min(Math.max(0, yaxis.min), yaxis.max); var top, lastX = 0; var areaOpen = false; for (var i = 0; i < data.length; ++i) { prev = cur; cur = data[i]; if (areaOpen && prev != null && cur == null) { // close area ctx.lineTo(tHoz(lastX), tVert(bottom)); ctx.fill(); areaOpen = false; continue; } if (prev == null || cur == null) continue; var x1 = prev[0], y1 = prev[1], x2 = cur[0], y2 = cur[1]; // clip x values // clip with xmin if (x1 <= x2 && x1 < xaxis.min) { if (x2 < xaxis.min) continue; y1 = (xaxis.min - x1) / (x2 - x1) * (y2 - y1) + y1; x1 = xaxis.min; } else if (x2 <= x1 && x2 < xaxis.min) { if (x1 < xaxis.min) continue; y2 = (xaxis.min - x1) / (x2 - x1) * (y2 - y1) + y1; x2 = xaxis.min; } // clip with xmax if (x1 >= x2 && x1 > xaxis.max) { if (x2 > xaxis.max) continue; y1 = (xaxis.max - x1) / (x2 - x1) * (y2 - y1) + y1; x1 = xaxis.max; } else if (x2 >= x1 && x2 > xaxis.max) { if (x1 > xaxis.max) continue; y2 = (xaxis.max - x1) / (x2 - x1) * (y2 - y1) + y1; x2 = xaxis.max; } if (!areaOpen) { // open area ctx.beginPath(); ctx.moveTo(tHoz(x1), tVert(bottom)); areaOpen = true; } // now first check the case where both is outside if (y1 >= yaxis.max && y2 >= yaxis.max) { ctx.lineTo(tHoz(x1), tVert(yaxis.max)); ctx.lineTo(tHoz(x2), tVert(yaxis.max)); continue; } else if (y1 <= yaxis.min && y2 <= yaxis.min) { ctx.lineTo(tHoz(x1), tVert(yaxis.min)); ctx.lineTo(tHoz(x2), tVert(yaxis.min)); continue; } // else it's a bit more complicated, there might // be two rectangles and two triangles we need to fill // in; to find these keep track of the current x values var x1old = x1, x2old = x2; // and clip the y values, without shortcutting // clip with ymin if (y1 <= y2 && y1 < yaxis.min && y2 >= yaxis.min) { x1 = (yaxis.min - y1) / (y2 - y1) * (x2 - x1) + x1; y1 = yaxis.min; } else if (y2 <= y1 && y2 < yaxis.min && y1 >= yaxis.min) { x2 = (yaxis.min - y1) / (y2 - y1) * (x2 - x1) + x1; y2 = yaxis.min; } // clip with ymax if (y1 >= y2 && y1 > yaxis.max && y2 <= yaxis.max) { x1 = (yaxis.max - y1) / (y2 - y1) * (x2 - x1) + x1; y1 = yaxis.max; } else if (y2 >= y1 && y2 > yaxis.max && y1 <= yaxis.max) { x2 = (yaxis.max - y1) / (y2 - y1) * (x2 - x1) + x1; y2 = yaxis.max; } // if the x value was changed we got a rectangle // to fill if (x1 != x1old) { if (y1 <= yaxis.min) top = yaxis.min; else top = yaxis.max; ctx.lineTo(tHoz(x1old), tVert(top)); ctx.lineTo(tHoz(x1), tVert(top)); } // fill the triangles ctx.lineTo(tHoz(x1), tVert(y1)); ctx.lineTo(tHoz(x2), tVert(y2)); // fill the other rectangle if it's there if (x2 != x2old) { if (y2 <= yaxis.min) top = yaxis.min; else top = yaxis.max; ctx.lineTo(tHoz(x2old), tVert(top)); ctx.lineTo(tHoz(x2), tVert(top)); } lastX = Math.max(x2, x2old); } if (areaOpen) { ctx.lineTo(tHoz(lastX), tVert(bottom)); ctx.fill(); } } ctx.save(); ctx.translate(plotOffset.left, plotOffset.top); ctx.lineJoin = "round"; var lw = series.lines.lineWidth; var sw = series.shadowSize; // FIXME: consider another form of shadow when filling is turned on if (sw > 0) { // draw shadow in two steps ctx.lineWidth = sw / 2; ctx.strokeStyle = "rgba(0,0,0,0.1)"; plotLine(series.data, lw/2 + sw/2 + ctx.lineWidth/2); ctx.lineWidth = sw / 2; ctx.strokeStyle = "rgba(0,0,0,0.2)"; plotLine(series.data, lw/2 + ctx.lineWidth/2); } ctx.lineWidth = lw; ctx.strokeStyle = series.color; if (series.lines.fill) { ctx.fillStyle = series.lines.fillColor != null ? series.lines.fillColor : parseColor(series.color).scale(null, null, null, 0.4).toString(); plotLineArea(series.data, 0); } plotLine(series.data, 0); ctx.restore(); } function drawSeriesPoints(series) { function plotPoints(data, radius, fill) { for (var i = 0; i < data.length; ++i) { if (data[i] == null) continue; var x = data[i][0], y = data[i][1]; if (x < xaxis.min || x > xaxis.max || y < yaxis.min || y > yaxis.max) continue; ctx.beginPath(); ctx.arc(tHoz(x), tVert(y), radius, 0, 2 * Math.PI, true); if (fill) ctx.fill(); ctx.stroke(); } } function plotPointShadows(data, offset, radius) { for (var i = 0; i < data.length; ++i) { if (data[i] == null) continue; var x = data[i][0], y = data[i][1]; if (x < xaxis.min || x > xaxis.max || y < yaxis.min || y > yaxis.max) continue; ctx.beginPath(); ctx.arc(tHoz(x), tVert(y) + offset, radius, 0, Math.PI, false); ctx.stroke(); } } ctx.save(); ctx.translate(plotOffset.left, plotOffset.top); var lw = series.lines.lineWidth; var sw = series.shadowSize; if (sw > 0) { // draw shadow in two steps ctx.lineWidth = sw / 2; ctx.strokeStyle = "rgba(0,0,0,0.1)"; plotPointShadows(series.data, sw/2 + ctx.lineWidth/2, series.points.radius); ctx.lineWidth = sw / 2; ctx.strokeStyle = "rgba(0,0,0,0.2)"; plotPointShadows(series.data, ctx.lineWidth/2, series.points.radius); } ctx.lineWidth = series.points.lineWidth; ctx.strokeStyle = series.color; ctx.fillStyle = series.points.fillColor != null ? series.points.fillColor : series.color; plotPoints(series.data, series.points.radius, series.points.fill); ctx.restore(); } function drawSeriesBars(series) { function plotBars(data, barWidth, offset, fill) { for (var i = 0; i < data.length; i++) { if (data[i] == null) continue; var x = data[i][0], y = data[i][1]; var drawLeft = true, drawTop = true, drawRight = true; var left = x, right = x + barWidth, bottom = 0, top = y; if (right < xaxis.min || left > xaxis.max || top < yaxis.min || bottom > yaxis.max) continue; // clip if (left < xaxis.min) { left = xaxis.min; drawLeft = false; } if (right > xaxis.max) { right = xaxis.max; drawRight = false; } if (bottom < yaxis.min) bottom = yaxis.min; if (top > yaxis.max) { top = yaxis.max; drawTop = false; } // fill the bar if (fill) { ctx.beginPath(); ctx.moveTo(tHoz(left), tVert(bottom) + offset); ctx.lineTo(tHoz(left), tVert(top) + offset); ctx.lineTo(tHoz(right), tVert(top) + offset); ctx.lineTo(tHoz(right), tVert(bottom) + offset); ctx.fill(); } // draw outline if (drawLeft || drawRight || drawTop) { ctx.beginPath(); ctx.moveTo(tHoz(left), tVert(bottom) + offset); if (drawLeft) ctx.lineTo(tHoz(left), tVert(top) + offset); else ctx.moveTo(tHoz(left), tVert(top) + offset); if (drawTop) ctx.lineTo(tHoz(right), tVert(top) + offset); else ctx.moveTo(tHoz(right), tVert(top) + offset); if (drawRight) ctx.lineTo(tHoz(right), tVert(bottom) + offset); else ctx.moveTo(tHoz(right), tVert(bottom) + offset); ctx.stroke(); } } } ctx.save(); ctx.translate(plotOffset.left, plotOffset.top); ctx.lineJoin = "round"; var bw = series.bars.barWidth; var lw = Math.min(series.bars.lineWidth, bw); // FIXME: figure out a way to add shadows /* var sw = series.shadowSize; if (sw > 0) { // draw shadow in two steps ctx.lineWidth = sw / 2; ctx.strokeStyle = "rgba(0,0,0,0.1)"; plotBars(series.data, bw, lw/2 + sw/2 + ctx.lineWidth/2, false); ctx.lineWidth = sw / 2; ctx.strokeStyle = "rgba(0,0,0,0.2)"; plotBars(series.data, bw, lw/2 + ctx.lineWidth/2, false); }*/ ctx.lineWidth = lw; ctx.strokeStyle = series.color; if (series.bars.fill) { ctx.fillStyle = series.bars.fillColor != null ? series.bars.fillColor : parseColor(series.color).scale(null, null, null, 0.4).toString(); } plotBars(series.data, bw, 0, series.bars.fill); ctx.restore(); } function insertLegend() { target.find(".legend").remove(); if (!options.legend.show) return; var fragments = []; var rowStarted = false; for (i = 0; i < series.length; ++i) { if (!series[i].label) continue; if (i % options.legend.noColumns == 0) { if (rowStarted) fragments.push(''); fragments.push(''); rowStarted = true; } var label = series[i].label; if (options.legend.labelFormatter != null) label = options.legend.labelFormatter(label); fragments.push( '
' + '' + label + ''); } if (rowStarted) fragments.push(''); if (fragments.length > 0) { var table = '' + fragments.join("") + '
'; if (options.legend.container != null) options.legend.container.append(table); else { var pos = ""; var p = options.legend.position, m = options.legend.margin; if (p.charAt(0) == "n") pos += 'top:' + (m + plotOffset.top) + 'px;'; else if (p.charAt(0) == "s") pos += 'bottom:' + (m + plotOffset.bottom) + 'px;'; if (p.charAt(1) == "e") pos += 'right:' + (m + plotOffset.right) + 'px;'; else if (p.charAt(1) == "w") pos += 'left:' + (m + plotOffset.bottom) + 'px;'; var legend = $('
' + table.replace('style="', 'style="position:absolute;' + pos +';') + '
').appendTo(target); //PIE: need global variable legendWidth legendWidth = legend.children().width(); 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) { var tmp; if (options.grid.backgroundColor != null) tmp = options.grid.backgroundColor; else tmp = extractColor(legend); c = parseColor(tmp).adjust(null, null, null, 1).toString(); } var div = legend.children(); $('
').prependTo(legend).css('opacity', options.legend.backgroundOpacity); } } } } var lastMousePos = { pageX: null, pageY: null }; var selection = { first: { x: -1, y: -1}, second: { x: -1, y: -1} }; var prevSelection = null; var selectionInterval = null; var ignoreClick = false; function onMouseMove(ev) { // FIXME: temp. work-around until jQuery bug 1871 is fixed var e = ev || window.event; if (e.pageX == null && e.clientX != null) { var de = document.documentElement, b = document.body; lastMousePos.pageX = e.clientX + (de && de.scrollLeft || b.scrollLeft || 0); lastMousePos.pageY = e.clientY + (de && de.scrollTop || b.scrollTop || 0); } else { lastMousePos.pageX = e.pageX; lastMousePos.pageY = e.pageY; } } function onMouseDown(e) { if (e.which != 1) // only accept left-click return; // cancel out any text selections document.body.focus(); // prevent text selection and drag in old-school browsers if (document.onselectstart !== undefined && workarounds.onselectstart == null) { workarounds.onselectstart = document.onselectstart; document.onselectstart = function () { return false; }; } if (document.ondrag !== undefined && workarounds.ondrag == null) { workarounds.ondrag = document.ondrag; document.ondrag = function () { return false; }; } setSelectionPos(selection.first, e); if (selectionInterval != null) clearInterval(selectionInterval); lastMousePos.pageX = null; selectionInterval = setInterval(updateSelectionOnMouseMove, 200); $(document).one("mouseup", onSelectionMouseUp); } function onClick(e) { if (ignoreClick) { ignoreClick = false; return; } var offset = eventHolder.offset(); var pos = {}; pos.x = e.pageX - offset.left - plotOffset.left; pos.x = xaxis.min + pos.x / hozScale; pos.y = e.pageY - offset.top - plotOffset.top; pos.y = yaxis.max - pos.y / vertScale; target.trigger("plotclick", [ pos ]); } function triggerSelectedEvent() { var x1, x2, y1, y2; if (selection.first.x <= selection.second.x) { x1 = selection.first.x; x2 = selection.second.x; } else { x1 = selection.second.x; x2 = selection.first.x; } if (selection.first.y >= selection.second.y) { y1 = selection.first.y; y2 = selection.second.y; } else { y1 = selection.second.y; y2 = selection.first.y; } x1 = xaxis.min + x1 / hozScale; x2 = xaxis.min + x2 / hozScale; y1 = yaxis.max - y1 / vertScale; y2 = yaxis.max - y2 / vertScale; target.trigger("selected", [ { x1: x1, y1: y1, x2: x2, y2: y2 } ]); } function onSelectionMouseUp(e) { if (document.onselectstart !== undefined) document.onselectstart = workarounds.onselectstart; if (document.ondrag !== undefined) document.ondrag = workarounds.ondrag; if (selectionInterval != null) { clearInterval(selectionInterval); selectionInterval = null; } setSelectionPos(selection.second, e); clearSelection(); if (!selectionIsSane() || e.which != 1) return false; drawSelection(); triggerSelectedEvent(); ignoreClick = true; return false; } function setSelectionPos(pos, e) { var offset = $(overlay).offset(); if (options.selection.mode == "y") { if (pos == selection.first) pos.x = 0; else pos.x = plotWidth; } else { pos.x = e.pageX - offset.left - plotOffset.left; pos.x = Math.min(Math.max(0, pos.x), plotWidth); } if (options.selection.mode == "x") { if (pos == selection.first) pos.y = 0; else pos.y = plotHeight; } else { pos.y = e.pageY - offset.top - plotOffset.top; pos.y = Math.min(Math.max(0, pos.y), plotHeight); } } function updateSelectionOnMouseMove() { if (lastMousePos.pageX == null) return; setSelectionPos(selection.second, lastMousePos); clearSelection(); if (selectionIsSane()) drawSelection(); } function clearSelection() { if (prevSelection == null) return; var x = Math.min(prevSelection.first.x, prevSelection.second.x), y = Math.min(prevSelection.first.y, prevSelection.second.y), w = Math.abs(prevSelection.second.x - prevSelection.first.x), h = Math.abs(prevSelection.second.y - prevSelection.first.y); octx.clearRect(x + plotOffset.left - octx.lineWidth, y + plotOffset.top - octx.lineWidth, w + octx.lineWidth*2, h + octx.lineWidth*2); prevSelection = null; } function setSelection(area) { clearSelection(); if (options.selection.mode == "x") { selection.first.y = 0; selection.second.y = plotHeight; } else { selection.first.y = (yaxis.max - area.y1) * vertScale; selection.second.y = (yaxis.max - area.y2) * vertScale; } if (options.selection.mode == "y") { selection.first.x = 0; selection.second.x = plotWidth; } else { selection.first.x = (area.x1 - xaxis.min) * hozScale; selection.second.x = (area.x2 - xaxis.min) * hozScale; } drawSelection(); triggerSelectedEvent(); } function drawSelection() { if (prevSelection != null && selection.first.x == prevSelection.first.x && selection.first.y == prevSelection.first.y && selection.second.x == prevSelection.second.x && selection.second.y == prevSelection.second.y) return; octx.strokeStyle = parseColor(options.selection.color).scale(null, null, null, 0.8).toString(); octx.lineWidth = 1; ctx.lineJoin = "round"; octx.fillStyle = parseColor(options.selection.color).scale(null, null, null, 0.4).toString(); prevSelection = { first: { x: selection.first.x, y: selection.first.y }, second: { x: selection.second.x, y: selection.second.y } }; var x = Math.min(selection.first.x, selection.second.x), y = Math.min(selection.first.y, selection.second.y), w = Math.abs(selection.second.x - selection.first.x), h = Math.abs(selection.second.y - selection.first.y); octx.fillRect(x + plotOffset.left, y + plotOffset.top, w, h); octx.strokeRect(x + plotOffset.left, y + plotOffset.top, w, h); } function selectionIsSane() { var minSize = 5; return Math.abs(selection.second.x - selection.first.x) >= minSize && Math.abs(selection.second.y - selection.first.y) >= minSize; } } $.plot = function(target, data, options) { var plot = new Plot(target, data, options); /*var t0 = new Date(); var t1 = new Date(); var tstr = "time used (msecs): " + (t1.getTime() - t0.getTime()) if (window.console) console.log(tstr); else alert(tstr);*/ return plot; }; // round to nearby lower multiple of base function floorInBase(n, base) { return base * Math.floor(n / base); } // color helpers, inspiration from the jquery color animation // plugin by John Resig function Color (r, g, b, a) { var rgba = ['r','g','b','a']; var x = 4; //rgba.length while (-1<--x) { this[rgba[x]] = arguments[x] || ((x==3) ? 1.0 : 0); } this.toString = function() { if (this.a >= 1.0) { return "rgb("+[this.r,this.g,this.b].join(",")+")"; } else { return "rgba("+[this.r,this.g,this.b,this.a].join(",")+")"; } }; this.scale = function(rf, gf, bf, af) { x = 4; //rgba.length while (-1<--x) { if (arguments[x] != null) this[rgba[x]] *= arguments[x]; } return this.normalize(); }; this.adjust = function(rd, gd, bd, ad) { x = 4; //rgba.length while (-1<--x) { if (arguments[x] != null) this[rgba[x]] += arguments[x]; } return this.normalize(); }; this.clone = function() { return new Color(this.r, this.b, this.g, this.a); }; var limit = function(val,minVal,maxVal) { return Math.max(Math.min(val, maxVal), minVal); }; this.normalize = function() { this.r = limit(parseInt(this.r), 0, 255); this.g = limit(parseInt(this.g), 0, 255); this.b = limit(parseInt(this.b), 0, 255); this.a = limit(this.a, 0, 1); return this; }; this.normalize(); } var lookupColors = { 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] }; function extractColor(element) { var color, elem = element; do { color = elem.css("background-color").toLowerCase(); // keep going until we find an element that has color, or // we hit the body if (color != '' && color != 'transparent') break; elem = elem.parent(); } while (!$.nodeName(elem.get(0), "body")); // catch Safari's way of signalling transparent if (color == "rgba(0, 0, 0, 0)") return "transparent"; return color; } // parse string, returns Color function parseColor(str) { var result; // Look for rgb(num,num,num) if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(str)) return new Color(parseInt(result[1], 10), parseInt(result[2], 10), parseInt(result[3], 10)); // Look for rgba(num,num,num,num) if (result = /rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str)) return new Color(parseInt(result[1], 10), parseInt(result[2], 10), parseInt(result[3], 10), parseFloat(result[4])); // Look for rgb(num%,num%,num%) if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(str)) return new Color(parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55); // Look for rgba(num%,num%,num%,num) if (result = /rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str)) return new Color(parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55, parseFloat(result[4])); // Look for #a0b1c2 if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(str)) return new Color(parseInt(result[1], 16), parseInt(result[2], 16), parseInt(result[3], 16)); // Look for #fff if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(str)) return new Color(parseInt(result[1]+result[1], 16), parseInt(result[2]+result[2], 16), parseInt(result[3]+result[3], 16)); // Otherwise, we're most likely dealing with a named color var name = $.trim(str).toLowerCase(); if (name == "transparent") return new Color(255, 255, 255, 0); else { result = lookupColors[name]; return new Color(result[0], result[1], result[2]); } } })(jQuery); /****************************************************************************** * * jquery.graphTable-0.1.js * by rebecca murphey * http://blog.rebeccamurphey.com * rmurphey gmail com * License: GPL * 17 December 2007 * * requires: * * - jquery.js (http://jquery.com) -- tested with 1.2.1 * - jquery.flot.js (http://code.google.com/p/flot/) * * usage: * * $('#myTable').graphTable(graphTableOptionsObject,flotOptionsObject); * * - both arguments are optional; defaults will work in most cases * but you'll need to include {series: 'columns'} if your data is * in columns. * - for details on graphTable options and defaults, see below. * - for details on flot options and defaults, see * http://code.google.com/p/flot/ * * notes: * * - this isn't going to work well with tables that use rowspan or colspan * - make sure to use the transform args to transform your cell contents into * something flot can understand -- especially important if your cells * contain currency or dates * ******************************************************************************/ (function($) { $.fn.graphTable = function(graphArgs_,flotArgs_) { var args = { /* * options for reading the table -- defaults will work in most cases except * you'll want to override the default args.series if your series are in columns * * note that anywhere the word "index" is used, the count starts from 0 at * the top left of the table * */ series: 'rows', // are the series in rows or columns? labels: 0, // index of the cell in the series row/column that contains the label for the series xaxis: 0, // index of the row/column (whatever args.series is) that contains the x values firstSeries: 1, // index of the row/column containing the first series lastSeries: null, // index of the row/column containing the last series; will use the last cell in the row/col if not set dataStart: 1, // index of the first cell in the series containing data dataEnd: null, // index of the last cell in the series containing data; will use the last cell in the row/col if not set /* graph size and position */ position: 'replace', // before the table, after the table, or replace the table width: null, // set to null to use the width of the table height: null, // set to null to use the height of the table min: 0, // defaults to minimum y value in the table max: 0, // defaults to maximum y value in the table /* data transformation before plotting */ dataTransform: null, // function to run on cell contents before passing to flot; string -> string labelTransform: null, // function to run on cell contents before passing to flot; string -> string xaxisTransform: null // function to run on cell contents before passing to flot; string -> string } // override defaults with user args $.extend(true,args,graphArgs_); /* default to last cell in the row/col for * lastSeries and dataEnd if they haven't been set yet */ // index of the row/column containing the last series if (! args.lastSeries) { args.lastSeries = (args.series == 'columns') ? $('tr',$(this)).eq(args.labels).find('th,td').length - 1 : $('tr',$(this)).length - 1; } // index of the last cell in the series containing data if (! args.dataEnd) { args.dataEnd = (args.series == 'rows') ? $('tr',$(this)).eq(args.firstSeries).find('th,td').length - 1: $('tr',$(this)).length - 1; } return $(this).each(function() { // use local min/max for y of each graph, based on initial args var $table = $(this); // make sure the table is a table! if (! $table.is('table')) { return; } // if no height and width have been set, then set // width and height based on the width and height of the spans var widthreplace = '#'+$(this).attr("title")+'width'; if (! args.width) { args.width = $(widthreplace).width(); } var heightreplace = '#'+$(this).attr("title")+'height'; if (! args.height) { args.height = $(heightreplace).height(); } var minreplacey = '#'+$(this).attr("title")+'min'; var maxreplacey = '#'+$(this).attr("title")+'max'; var minreplacex = '#'+$(this).attr("title")+'xmin'; var maxreplacex = '#'+$(this).attr("title")+'xmax'; if ($(minreplacey).length > 0) { var min1 = parseFloat($(minreplacey).text()); } else { var min1 = args.min; } if ($(maxreplacey).length > 0) { var max1 = parseFloat($(maxreplacey).text()); } else { var max1 = args.max; } var min2 = parseFloat($(minreplacex).text()); var max2 = parseFloat($(maxreplacex).text()); var $rows = $('tr',$table); var tableData = new Array(); switch (args.series) { case 'rows': var $xaxisRow = $rows.eq(args.xaxis); // iterate over each of the rows in the series for (i=args.firstSeries;i<=args.lastSeries;i++) { var rowData = new Array(); $dataRow = $('tr',$table).eq(i); // get the label for the whole row var label = $('th,td',$dataRow).eq(args.labels).text(); if (args.labelTransform) { label = args.labelTransform(label); } for (j=args.dataStart;j<=args.dataEnd;j++) { var x = $('th,td',$xaxisRow).eq(j).text(); var y = $('th,td',$dataRow).eq(j).text(); if (args.dataTransform) { y = args.dataTransform(y); } if (args.xaxisTransform) { x = args.xaxisTransform(x); } test_x = parseFloat(x); test_y = parseFloat(y); if (test_y < min1) { min = test_y; } else if (test_y > max1) { max = test_y; } rowData[rowData.length] = [x,y]; } tableData[tableData.length] = { label: label, data: rowData }; } break; case 'columns': // iterate over each of the columns in the series var $labelRow = $rows.eq(args.labels); for (j=args.firstSeries;j<=args.lastSeries;j++) { // j designates the column var colData = new Array(); var label = $labelRow.find('th,td').eq(j).text(); if (args.labelTransform) { label = args.labelTransform(label); } for (i=args.dataStart;i<=args.dataEnd;i++) { // i designates the row $cell = $rows.eq(i).find('th,td').eq(j); var y = $cell.text(); var x = $rows.eq(i).find('th,td').eq(args.xaxis).text(); if (args.dataTransform) { y = args.dataTransform(y); } if (args.xaxisTransform) { x = args.xaxisTransform(x); } test_x = parseFloat(x); test_y = parseFloat(y); if (test_y < min1) { min1 = test_y; } else if (test_y > max1) { max1 = test_y; } colData[colData.length] = [x,y]; } tableData[tableData.length] = { label: label, data: colData }; } break; } // Pulls a unique identifier to add to the div that the graph is created in so that the legend //created as a child of the relevant graph and doesn't overlay the graph var newid = $(this).attr("title")+'a'; var rightcoltableid = '#grapharea #'+$(this).attr("title"); var replaceid = 'div#'+newid; switch (args.position) { case 'after': $div = $table.after('
').next('div'); break; case 'before': $div = $table.before('
').prev('div'); if ($(rightcoltableid).length > 0) { $(rightcoltableid).hide(); } //$table.hide(); break; case 'hide': $div = $table.before('
').prev('div'); if ($(rightcoltableid).length > 0) { $(rightcoltableid).hide(); } $table.hide(); break; default: $div = $table.before('
').prev('div'); break; } // Sets the container for the legend to be created in var legendreplace = $(replaceid).after('
').next("div"); // Preset defaults for the legend var flotArgs = { xaxis: { min: min2, max: max2 }, yaxis: { min: min1, max: max1 }, legend: { show: true, backgroundOpacity: 0.1, noColumns: 3, labelFormatter: null, labelBoxBorderColor: null, container: legendreplace, backgroundColor: null }, shadowSize: 0 }; $div.width(args.width).height(args.height); $.extend(true,flotArgs,flotArgs_); $.plot($div, tableData, flotArgs); }); }; })(jQuery); /* ---------------------------------------------------------------------------------------------------- Accessible News Slider ---------------------------------------------------------------------------------------------------- Author: Brian Reindel Author URL: http://blog.reindel.com License: Unrestricted. This script is free for both personal and commercial use. */ jQuery.fn.accessNews = function( settings ) { settings = jQuery.extend({ headline : "Top Stories", speed : "normal", slideBy : 2 }, settings); return this.each(function() { jQuery.fn.accessNews.run( jQuery( this ), settings ); }); }; jQuery.fn.accessNews.run = function( $this, settings ) { jQuery( ".javascript_css", $this ).css( "display", "none" ); var ul = jQuery( "ul:eq(0)", $this ); var li = ul.children(); if ( li.length > settings.slideBy ) { var $next = jQuery( ".next > a", $this ); var $back = jQuery( ".back > a", $this ); var liWidth = jQuery( li[0] ).width(); var animating = false; ul.css( "width", ( li.length * liWidth ) ); $next.click(function() { if ( !animating ) { animating = true; offsetLeft = parseInt( ul.css( "left" ) ) - ( liWidth * settings.slideBy ); if ( offsetLeft + ul.width() > 0 ) { $back.css( "display", "block" ); ul.animate({ left: offsetLeft }, settings.speed, function() { if ( parseInt( ul.css( "left" ) ) + ul.width() <= liWidth * settings.slideBy ) { $next.css( "display", "none" ); } animating = false; }); } else { animating = false; } } return false; }); $back.click(function() { if ( !animating ) { animating = true; offsetRight = parseInt( ul.css( "left" ) ) + ( liWidth * settings.slideBy ); if ( offsetRight + ul.width() <= ul.width() ) { $next.css( "display", "block" ); ul.animate({ left: offsetRight }, settings.speed, function() { if ( parseInt( ul.css( "left" ) ) == 0 ) { $back.css( "display", "none" ); } animating = false; }); } else { animating = false; } } return false; }); $next.css( "display", "block" ) .parent().after( [ "

", "View all feature items

" ].join( "" ) ); jQuery( ".view_all > a, .skip_to_news > a", $this ).click(function() { var skip_to_news = ( jQuery( this ).html() == "Skip to News" ); if ( jQuery( this ).html() == "View all feature items" || skip_to_news ) { ul.css( "width", "auto" ).css( "left", "0" ); $next.css( "display", "none" ); $back.css( "display", "none" ); if ( !skip_to_news ) { jQuery( this ).html( "View less feature items" ); } } else { if ( !skip_to_news ) { jQuery( this ).html( "View all feature items" ); } ul.css( "width", ( li.length * liWidth ) ); $next.css( "display", "block" ); } return false; }); } }; /* ---------------------------------------------------------------------------------------------------- Accessible Vertical News Slider ---------------------------------------------------------------------------------------------------- Based on Plugin by Author: Brian Reindel Author URL: http://blog.reindel.com License: Unrestricted. This script is free for both personal and commercial use. */ jQuery.fn.vertaccessNews = function( settings ) { settings = jQuery.extend({ headline : "Top Stories", speed : "normal", slideBy : 2 }, settings); return this.each(function() { jQuery.fn.vertaccessNews.run( jQuery( this ), settings ); }); }; jQuery.fn.vertaccessNews.run = function( $this, settings ) { var ul = jQuery( "ul:eq(0)", $this ); var li = ul.children(); if ( li.length > settings.slideBy ) { var $next = jQuery( "#statusreportblock .next > a" ); var $back = jQuery( "#statusreportblock .back > a" ); var liheight = jQuery( li[0] ).height(); var animating = false; ul.css( "height", ( (li.length * liheight) + 5) ); $next.click(function() { if ( !animating ) { animating = true; offsetTop = parseInt( ul.css( "top" ) ) - ((liheight * settings.slideBy) + 3); if ( offsetTop + ul.height() > 0 ) { $back.css( "display", "block" ); ul.animate({ top: offsetTop }, settings.speed, function() { if ( parseInt( ul.css( "top" ) ) + ul.height() <= (liheight * settings.slideBy) + 3 ) { $next.css( "display", "none" ); } animating = false; }); } else { animating = false; } } return false; }); $back.click(function() { if ( !animating ) { animating = true; offsetBottom = parseInt( ul.css( "top" ) ) + ((liheight * settings.slideBy) + 3); if ( offsetBottom + ul.height() <= ul.height() ) { $next.css( "display", "block" ); ul.animate({ top: offsetBottom }, settings.speed, function() { if ( parseInt( ul.css( "top" ) ) == 0 ) { $back.css( "display", "none" ); } animating = false; }); } else { animating = false; } } return false; }); $next.css( "display", "block" ) .parent().after( [ "

" ].join( "" ) ); jQuery( ".view_all > a, .skip_to_news > a", $this ).click(function() { var skip_to_news = ( jQuery( this ).html() == "Skip to News" ); if ( jQuery( this ).html() == "View all feature items" || skip_to_news ) { ul.css( "height", "auto" ).css( "top", "0" ); $next.css( "display", "none" ); $back.css( "display", "none" ); if ( !skip_to_news ) { jQuery( this ).html( "View less feature items" ); } } else { if ( !skip_to_news ) { jQuery( this ).html( "View all feature items" ); } ul.css( "height", ( li.length * liheight ) ); $next.css( "display", "block" ); } return false; }); } };