From 5b45e526c74faf55110ff0afdcba19797d7e0f4d Mon Sep 17 00:00:00 2001 From: Evgeny Fadeev Date: Fri, 10 Jul 2009 19:14:09 -0400 Subject: deleted all --- templates/content/js/jquery.flot.js | 2421 ----------------------------------- 1 file changed, 2421 deletions(-) delete mode 100644 templates/content/js/jquery.flot.js (limited to 'templates/content/js/jquery.flot.js') diff --git a/templates/content/js/jquery.flot.js b/templates/content/js/jquery.flot.js deleted file mode 100644 index 83b61929..00000000 --- a/templates/content/js/jquery.flot.js +++ /dev/null @@ -1,2421 +0,0 @@ -/* Javascript plotting library for jQuery, v. 0.5. - * - * Released under the MIT license by IOLA, December 2007. - * - */ - -(function($) { - function Plot(target_, data_, options_) { - // 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: { - 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 - labelWidth: null, // size of tick labels in pixels - labelHeight: null, - - // 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 - }, - x2axis: { - autoscaleMargin: null - }, - y2axis: { - autoscaleMargin: 0.02 - }, - points: { - show: false, - radius: 3, - lineWidth: 2, // in pixels - fill: true, - fillColor: "#ffffff" - }, - 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 // when horizontal, left is now top - }, - threshold: null, // or { below: number, color: color spec} - 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: 5, // in pixels - borderWidth: 2, // in pixels - borderColor: null, // set if different from the grid color - 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 - }, - selection: { - mode: null, // one of null, "x", "y" or "xy" - color: "#e8cfac" - }, - crosshair: { - mode: null, // one of null, "x", "y" or "xy", - color: "#aa0000" - }, - shadowSize: 3 - }, - 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, - target = $(target_), - axes = { xaxis: {}, yaxis: {}, x2axis: {}, y2axis: {} }, - plotOffset = { left: 0, right: 0, top: 0, bottom: 0}, - canvasWidth = 0, canvasHeight = 0, - plotWidth = 0, plotHeight = 0, - // 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 axes; }; - this.setCrosshair = setCrosshair; - this.clearCrosshair = function () { setCrosshair(null); }; - this.highlight = highlight; - this.unhighlight = unhighlight; - - // 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); - if (options.grid.borderColor == null) - options.grid.borderColor = options.grid.color - // 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.grid.coloredAreas) - options.grid.markings = options.grid.coloredAreas; - if (options.grid.coloredAreasColor) - options.grid.markingsColor = options.grid.coloredAreasColor; - } - - 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(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 = [], 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); - - // turn on lines automatically in case nothing is set - if (s.lines.show == null && !s.bars.show && !s.points.show) - s.lines.show = true; - if (s.shadowSize == null) - s.shadowSize = options.shadowSize; - - if (!s.xaxis) - s.xaxis = axes.xaxis; - - if (s.xaxis == 1) - s.xaxis = axes.xaxis; - else if (s.xaxis == 2) - s.xaxis = axes.x2axis; - - if (!s.yaxis) - s.yaxis = axes.yaxis; - - if (s.yaxis == 1) - s.yaxis = axes.yaxis; - else if (s.yaxis == 2) - s.yaxis = axes.y2axis; - - if (!s.threshold) - s.threshold = options.threshold; - s.subseries = null; - } - } - - function processData() { - var topSentry = Number.POSITIVE_INFINITY, - bottomSentry = Number.NEGATIVE_INFINITY, - axis, i, j, k, m, s; - - for (axis in axes) { - axes[axis].datamin = topSentry; - axes[axis].datamax = bottomSentry; - axes[axis].min = options[axis].min; - axes[axis].max = options[axis].max; - axes[axis].used = false; - } - - for (i = 0; i < series.length; ++i) { - s = series[i]; - s.datapoints = { points: [], incr: 2 }; - - var data = s.data, - points = s.datapoints.points, - axisx = s.xaxis, axisy = s.yaxis, - xmin = topSentry, xmax = bottomSentry, - ymin = topSentry, ymax = bottomSentry, - x, y, p, incr, format = []; - - // determine the increment - if (s.bars.show) { - s.datapoints.incr = 3; - format.push({ d: 0 }); - } - - /* - // examine data to find out how to copy - for (j = 0; j < data.length; ++j) { - }*/ - - - axisx.used = axisy.used = true; - incr = s.datapoints.incr; - - for (j = k = 0; j < data.length; ++j, k += incr) { - p = data[j]; - x = null; - y = null; - - if (data[j] != null) { - x = p[0]; - y = p[1]; - } - - // convert to number - if (x != null && !isNaN(x = +x)) { - if (x < xmin) - xmin = x; - if (x > xmax) - xmax = x - } - else - x = null; - - if (y != null && !isNaN(y = +y)) { - if (y < ymin) - ymin = y; - if (y > ymax) - ymax = y; - } - else - y = null; - - if (x == null || y == null) - x = y = null; // make sure everything is cleared - - for (m = 2; m < incr; ++m) - points[k + m] = p[m] == null ? format[m-2].d : p[m]; - - points[k + 1] = y; - points[k] = x; - } - - 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; - } - } - - axisx.datamin = Math.min(axisx.datamin, xmin); - axisx.datamax = Math.max(axisx.datamax, xmax); - axisy.datamin = Math.min(axisy.datamin, ymin); - axisy.datamax = Math.max(axisy.datamax, ymax); - - - // step charts - if (s.lines.show && s.lines.steps) { - p = []; - // copy, inserting extra points to make steps - for (j = k = 0; j < points.length; j += incr, k += incr) { - x = points[j]; - y = points[j + 1]; - if (j > 0 - && points[j - incr] != null - && x != null - && points[j - incr + 1] != y) { - p[k] = x; - p[k + 1] = points[j - incr + 1]; - k += incr; - } - - p[k] = x; - p[k + 1] = y; - } - s.datapoints.linespoints = p; - } - - // possibly split data points because of threshold - if (s.threshold) { - var orig = $.extend({}, s), thresholded = $.extend({}, s); - orig.datapoints = { points: [], incr: incr }; - thresholded.datapoints = { points: [], incr: incr }; - - thresholded.color = s.threshold.color; - - var below = s.threshold.below, - origpoints = orig.datapoints.points, - threspoints = thresholded.datapoints.points; - - // ordinary points - for (j = 0; j < points.length; j += incr) { - x = points[j]; - y = points[j + 1]; - - if (y < below) - p = threspoints; - else - p = origpoints; - - p.push(x); - p.push(y); - } - - // possibly split lines - if (s.lines.show) { - var lp = s.datapoints.linespoints || points; - - origpoints = []; - threspoints = []; - p = origpoints; - - for (j = 0; j < lp.length; j += incr) { - x = lp[j]; - y = lp[j + 1]; - - var prevp = p; - if (y != null) { - if (y < below) - p = threspoints; - else - p = origpoints; - } - - if (p != prevp && x != null && j > 0 && lp[j - incr] != null) { - // find intersection and add it to both - k = (x - lp[j - incr]) / (y - lp[j - incr + 1]) * (below - y) + x; - prevp.push(k); - prevp.push(below); - p.push(null); // start new segment - p.push(null); - p.push(k); - p.push(below); - } - - p.push(x); - p.push(y); - } - - orig.datapoints.linespoints = origpoints - thresholded.datapoints.linespoints = threspoints; - } - - s.subseries = [orig, thresholded]; - } - } - } - - function constructCanvas() { - function makeCanvas(width, height) { - var c = document.createElement('canvas'); - c.width = width; - c.height = height; - if ($.browser.msie) // excanvas hack - c = window.G_vmlCanvasManager.initElement(c); - return c; - } - - canvasWidth = target.width(); - canvasHeight = target.height(); - target.html(""); // clear target - if (target.css("position") == 'static') - 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 = $(makeCanvas(canvasWidth, canvasHeight)).appendTo(target).get(0); - ctx = canvas.getContext("2d"); - - // overlay canvas for interactive features - overlay = $(makeCanvas(canvasWidth, canvasHeight)).css({ position: 'absolute', left: 0, top: 0 }).appendTo(target).get(0); - 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 || options.crosshair.mode != null - || options.grid.hoverable) { - // FIXME: temp. work-around until jQuery bug 4398 is fixed - eventHolder.each(function () { - this.onmousemove = onMouseMove; - }); - - if (options.selection.mode != null) - eventHolder.mousedown(onMouseDown); - } - - if (options.crosshair.mode != null) - eventHolder.mouseout(onMouseOut); - - if (options.grid.clickable) - eventHolder.click(onClick); - } - - function setupGrid() { - function setupAxis(axis, options) { - setRange(axis, options); - prepareTickGeneration(axis, options); - setTicks(axis, options); - // add transformation helpers - if (axis == axes.xaxis || axis == axes.x2axis) { - // data point to canvas coordinate - axis.p2c = function (p) { return (p - axis.min) * axis.scale; }; - // canvas coordinate to data point - axis.c2p = function (c) { return axis.min + c / axis.scale; }; - } - else { - axis.p2c = function (p) { return (axis.max - p) * axis.scale; }; - axis.c2p = function (p) { return axis.max - p / axis.scale; }; - } - } - - for (var axis in axes) - setupAxis(axes[axis], options[axis]); - - setSpacing(); - insertLabels(); - insertLegend(); - } - - function setRange(axis, axisOptions) { - var min = axisOptions.min != null ? +axisOptions.min : axis.datamin, - max = axisOptions.max != null ? +axisOptions.max : axis.datamax; - - // degenerate case - if (min == Number.POSITIVE_INFINITY) - min = 0; - if (max == Number.NEGATIVE_INFINITY) - max = 1; - - if (max - min == 0.0) { - // degenerate case - var widen = max == 0 ? 1 : 0.01; - - if (axisOptions.min == null) - min -= widen; - // alway widen max if we couldn't widen min to ensure we - // don't fall into min == max which doesn't work - if (axisOptions.max == null || axisOptions.min != null) - 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 == axes.xaxis || axis == axes.x2axis) - 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 - - // 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.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: 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.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 (axisOptions.timeformat != null) - return $.plot.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 $.plot.formatDate(d, fmt, axisOptions.monthNames); - }; - } - else { - // pretty rounding of base-10 numbers - var maxDec = axisOptions.tickDecimals; - var dec = -Math.floor(Math.log(delta) / Math.LN10); - if (maxDec != null && dec > maxDec) - dec = maxDec; - - magn = Math.pow(10, -dec); - norm = delta / magn; // norm is between 1.0 and 10.0 - - if (norm < 1.5) - size = 1; - else if (norm < 3) { - size = 2; - // special case for 2.5, requires an extra decimal - if (norm > 2.25 && (maxDec == null || dec + 1 <= maxDec)) { - size = 2.5; - ++dec; - } - } - else if (norm < 7.5) - size = 5; - else - size = 10; - - size *= magn; - - if (axisOptions.minTickSize != null && size < axisOptions.minTickSize) - size = axisOptions.minTickSize; - - if (axisOptions.tickSize != null) - size = axisOptions.tickSize; - - axis.tickDecimals = Math.max(0, (maxDec != null) ? maxDec : dec); - - generator = function (axis) { - var ticks = []; - - // spew out all possible ticks - var start = floorInBase(axis.min, axis.tickSize), - i = 0, v = Number.NaN, prev; - do { - prev = v; - v = start + i * axis.tickSize; - ticks.push({ v: v, label: axis.tickFormatter(v, axis) }); - ++i; - } while (v < axis.max && v != prev); - return ticks; - }; - - formatter = function (v, axis) { - return v.toFixed(axis.tickDecimals); - }; - } - - axis.tickSize = unit ? [size, unit] : size; - axis.tickGenerator = generator; - if ($.isFunction(axisOptions.tickFormatter)) - axis.tickFormatter = function (v, axis) { return "" + axisOptions.tickFormatter(v, axis); }; - else - axis.tickFormatter = formatter; - if (axisOptions.labelWidth != null) - axis.labelWidth = axisOptions.labelWidth; - if (axisOptions.labelHeight != null) - axis.labelHeight = axisOptions.labelHeight; - } - - function setTicks(axis, axisOptions) { - axis.ticks = []; - - if (!axis.used) - return; - - 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() { - function measureXLabels(axis) { - // to avoid measuring the widths of the labels, 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 (axis.labelWidth == null) - axis.labelWidth = canvasWidth / 6; - - // measure x label heights - if (axis.labelHeight == null) { - labels = []; - for (i = 0; i < axis.ticks.length; ++i) { - l = axis.ticks[i].label; - if (l) - labels.push('
' + l + '
'); - } - - axis.labelHeight = 0; - if (labels.length > 0) { - var dummyDiv = $('
' - + labels.join("") + '
').appendTo(target); - axis.labelHeight = dummyDiv.height(); - dummyDiv.remove(); - } - } - } - - function measureYLabels(axis) { - if (axis.labelWidth == null || axis.labelHeight == null) { - var i, labels = [], l; - // calculate y label dimensions - for (i = 0; i < axis.ticks.length; ++i) { - l = axis.ticks[i].label; - if (l) - labels.push('
' + l + '
'); - } - - if (labels.length > 0) { - var dummyDiv = $('
' - + labels.join("") + '
').appendTo(target); - if (axis.labelWidth == null) - axis.labelWidth = dummyDiv.width(); - if (axis.labelHeight == null) - axis.labelHeight = dummyDiv.find("div").height(); - dummyDiv.remove(); - } - - if (axis.labelWidth == null) - axis.labelWidth = 0; - if (axis.labelHeight == null) - axis.labelHeight = 0; - } - } - - measureXLabels(axes.xaxis); - measureYLabels(axes.yaxis); - measureXLabels(axes.x2axis); - measureYLabels(axes.y2axis); - - // get the most space needed around the grid for things - // that may stick out - var maxOutset = options.grid.borderWidth; - for (i = 0; i < series.length; ++i) - maxOutset = Math.max(maxOutset, 2 * (series[i].points.radius + series[i].points.lineWidth/2)); - - plotOffset.left = plotOffset.right = plotOffset.top = plotOffset.bottom = maxOutset; - - var margin = options.grid.labelMargin + options.grid.borderWidth; - - if (axes.xaxis.labelHeight > 0) - plotOffset.bottom = Math.max(maxOutset, axes.xaxis.labelHeight + margin); - if (axes.yaxis.labelWidth > 0) - plotOffset.left = Math.max(maxOutset, axes.yaxis.labelWidth + margin); - - if (axes.x2axis.labelHeight > 0) - plotOffset.top = Math.max(maxOutset, axes.x2axis.labelHeight + margin); - - if (axes.y2axis.labelWidth > 0) - plotOffset.right = Math.max(maxOutset, axes.y2axis.labelWidth + margin); - - plotWidth = canvasWidth - plotOffset.left - plotOffset.right; - plotHeight = canvasHeight - plotOffset.bottom - plotOffset.top; - - // precompute how much the axis is scaling a point in canvas space - axes.xaxis.scale = plotWidth / (axes.xaxis.max - axes.xaxis.min); - axes.yaxis.scale = plotHeight / (axes.yaxis.max - axes.yaxis.min); - axes.x2axis.scale = plotWidth / (axes.x2axis.max - axes.x2axis.min); - axes.y2axis.scale = plotHeight / (axes.y2axis.max - axes.y2axis.min); - } - - function draw() { - drawGrid(); - for (var i = 0; i < series.length; ++i) { - var s = series[i]; - if (s.subseries) - for (var j = 0; j < s.subseries.length; ++j) - drawSeries(s.subseries[j]); - else - drawSeries(s); - } - } - - function extractRange(ranges, coord) { - var firstAxis = coord + "axis", - secondaryAxis = coord + "2axis", - axis, from, to, reverse; - - if (ranges[firstAxis]) { - axis = axes[firstAxis]; - from = ranges[firstAxis].from; - to = ranges[firstAxis].to; - } - else if (ranges[secondaryAxis]) { - axis = axes[secondaryAxis]; - from = ranges[secondaryAxis].from; - to = ranges[secondaryAxis].to; - } - else { - // backwards-compat stuff - to be removed in future - axis = axes[firstAxis]; - from = ranges[coord + "1"]; - to = ranges[coord + "2"]; - } - - // auto-reverse as an added bonus - if (from != null && to != null && from > to) - return { from: to, to: from, axis: axis }; - - return { from: from, to: to, axis: axis }; - } - - 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) { - ctx.fillStyle = getColorOrGradient(options.grid.backgroundColor, plotHeight, 0, "rgba(255, 255, 255, 0)"); - ctx.fillRect(0, 0, plotWidth, plotHeight); - } - - // draw markings - var markings = options.grid.markings; - if (markings) { - if ($.isFunction(markings)) - // xmin etc. are backwards-compatible, to be removed in future - markings = markings({ xmin: axes.xaxis.min, xmax: axes.xaxis.max, ymin: axes.yaxis.min, ymax: axes.yaxis.max, xaxis: axes.xaxis, yaxis: axes.yaxis, x2axis: axes.x2axis, y2axis: axes.y2axis }); - - 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.strokeStyle = m.color || options.grid.markingsColor; - ctx.beginPath(); - ctx.lineWidth = m.lineWidth || options.grid.markingsLineWidth; - //ctx.moveTo(Math.floor(xrange.from), yrange.from); - //ctx.lineTo(Math.floor(xrange.to), yrange.to); - 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 inner grid - ctx.lineWidth = 1; - ctx.strokeStyle = options.grid.tickColor; - ctx.beginPath(); - var v, axis = axes.xaxis; - for (i = 0; i < axis.ticks.length; ++i) { - v = axis.ticks[i].v; - if (v <= axis.min || v >= axes.xaxis.max) - continue; // skip those lying on the axes - - ctx.moveTo(Math.floor(axis.p2c(v)) + ctx.lineWidth/2, 0); - ctx.lineTo(Math.floor(axis.p2c(v)) + ctx.lineWidth/2, plotHeight); - } - - axis = axes.yaxis; - for (i = 0; i < axis.ticks.length; ++i) { - v = axis.ticks[i].v; - if (v <= axis.min || v >= axis.max) - continue; - - ctx.moveTo(0, Math.floor(axis.p2c(v)) + ctx.lineWidth/2); - ctx.lineTo(plotWidth, Math.floor(axis.p2c(v)) + ctx.lineWidth/2); - } - - axis = axes.x2axis; - for (i = 0; i < axis.ticks.length; ++i) { - v = axis.ticks[i].v; - if (v <= axis.min || v >= axis.max) - continue; - - ctx.moveTo(Math.floor(axis.p2c(v)) + ctx.lineWidth/2, -5); - ctx.lineTo(Math.floor(axis.p2c(v)) + ctx.lineWidth/2, 5); - } - - axis = axes.y2axis; - for (i = 0; i < axis.ticks.length; ++i) { - v = axis.ticks[i].v; - if (v <= axis.min || v >= axis.max) - continue; - - ctx.moveTo(plotWidth-5, Math.floor(axis.p2c(v)) + ctx.lineWidth/2); - ctx.lineTo(plotWidth+5, Math.floor(axis.p2c(v)) + ctx.lineWidth/2); - } - - ctx.stroke(); - - if (options.grid.borderWidth) { - // draw border - var bw = options.grid.borderWidth; - ctx.lineWidth = bw; - ctx.strokeStyle = options.grid.borderColor; - ctx.strokeRect(-bw/2, -bw/2, plotWidth + bw, plotHeight + bw); - } - - ctx.restore(); - } - - function insertLabels() { - target.find(".tickLabels").remove(); - - var html = ['
']; - - function addLabels(axis, labelGenerator) { - 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; - html.push(labelGenerator(tick, axis)); - } - } - - var margin = options.grid.labelMargin + options.grid.borderWidth; - - addLabels(axes.xaxis, function (tick, axis) { - return '
' + tick.label + "
"; - }); - - - addLabels(axes.yaxis, function (tick, axis) { - return '
' + tick.label + "
"; - }); - - addLabels(axes.x2axis, function (tick, axis) { - return '
' + tick.label + "
"; - }); - - addLabels(axes.y2axis, function (tick, axis) { - return '
' + tick.label + "
"; - }); - - html.push('
'); - - target.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.linespoints || datapoints.points, - incr = datapoints.incr, - prevx = null, prevy = null; - - ctx.beginPath(); - for (var i = incr; i < points.length; i += incr) { - var x1 = points[i - incr], y1 = points[i - incr + 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.linespoints || datapoints.points, - incr = datapoints.incr, - bottom = Math.min(Math.max(0, axisy.min), axisy.max), - top, lastX = 0, areaOpen = false; - - for (var i = incr; i < points.length; i += incr) { - var x1 = points[i - incr], y1 = points[i - incr + 1], - x2 = points[i], y2 = points[i + 1]; - - if (areaOpen && x1 != null && x2 == null) { - // close area - ctx.lineTo(axisx.p2c(lastX), axisy.p2c(bottom)); - ctx.fill(); - areaOpen = false; - 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)); - lastX = x2; - 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)); - lastX = x2; - 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 < 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) { - if (y1 <= axisy.min) - top = axisy.min; - else - top = axisy.max; - - ctx.lineTo(axisx.p2c(x1old), axisy.p2c(top)); - ctx.lineTo(axisx.p2c(x1), axisy.p2c(top)); - } - - // fill the triangles - 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) { - if (y2 <= axisy.min) - top = axisy.min; - else - top = axisy.max; - - ctx.lineTo(axisx.p2c(x2), axisy.p2c(top)); - ctx.lineTo(axisx.p2c(x2old), axisy.p2c(top)); - } - - lastX = Math.max(x2, x2old); - } - - if (areaOpen) { - ctx.lineTo(axisx.p2c(lastX), axisy.p2c(bottom)); - ctx.fill(); - } - } - - 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)"; - var xoffset = 1; - plotLine(series.datapoints, xoffset, Math.sqrt((lw/2 + sw/2)*(lw/2 + sw/2) - xoffset*xoffset), series.xaxis, series.yaxis); - ctx.lineWidth = sw/2; - plotLine(series.datapoints, xoffset, Math.sqrt((lw/2 + sw/4)*(lw/2 + sw/4) - xoffset*xoffset), 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, circumference, axisx, axisy) { - var points = datapoints.points, incr = datapoints.incr; - - for (var i = 0; i < points.length; i += incr) { - 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(); - ctx.arc(axisx.p2c(x), axisy.p2c(y) + offset, radius, 0, circumference, true); - if (fillStyle) { - ctx.fillStyle = fillStyle; - ctx.fill(); - } - ctx.stroke(); - } - } - - ctx.save(); - ctx.translate(plotOffset.left, plotOffset.top); - - var lw = series.lines.lineWidth, - sw = series.shadowSize, - radius = series.points.radius; - 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, 2 * Math.PI, - series.xaxis, series.yaxis); - - ctx.strokeStyle = "rgba(0,0,0,0.2)"; - plotPoints(series.datapoints, radius, null, w/2, 2 * Math.PI, - series.xaxis, series.yaxis); - } - - ctx.lineWidth = lw; - ctx.strokeStyle = series.color; - plotPoints(series.datapoints, radius, - getFillStyle(series.points, series.color), 0, 2 * Math.PI, - series.xaxis, series.yaxis); - ctx.restore(); - } - - function drawBar(x, y, b, barLeft, barRight, offset, fillStyleCallback, axisx, axisy, c, horizontal) { - var left, right, bottom, top, - drawLeft, drawRight, drawTop, drawBottom, - tmp; - - if (horizontal) { - drawBottom = drawRight = drawTop = true; - drawLeft = false; - left = b; - right = x; - top = y + barLeft; - bottom = y + barRight; - - // 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 (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, incr = datapoints.incr; - - for (var i = 0; i < points.length; i += incr) { - if (points[i] == null) - continue; - drawBar(points[i], points[i + 1], points[i + 2], barLeft, barRight, offset, fillStyleCallback, axisx, axisy, ctx, series.bars.horizontal); - } - } - - 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 = parseColor(seriesColor); - c.a = typeof fill == "number" ? fill : 0.4; - c.normalize(); - return c.toString(); - } - - function insertLegend() { - target.find(".legend").remove(); - - if (!options.legend.show) - return; - - var fragments = [], rowStarted = false, - lf = options.legend.labelFormatter, s, label; - for (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(target); - 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 && typeof options.grid.backgroundColor == "string") - 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); - } - } - } - - - // interactive features - - var lastMousePos = { pageX: null, pageY: null }, - selection = { - first: { x: -1, y: -1}, second: { x: -1, y: -1}, - show: false, active: false }, - crosshair = { pos: { x: -1, y: -1 } }, - highlights = [], - clickIsMouseUp = false, - redrawTimeout = null, - hoverTimeout = 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, - lowestDistance = maxDistance * maxDistance + 1, - item = null, foundPoint = false, i, j; - - for (var i = 0; i < series.length; ++i) { - if (!seriesFilter(series[i])) - continue; - - var s = series[i], - axisx = s.xaxis, - axisy = s.yaxis, - points = s.datapoints.points, - incr = s.datapoints.incr, - mx = axisx.c2p(mouseX), // precompute some stuff to make the loop faster - my = axisy.c2p(mouseY), - maxx = maxDistance / axisx.scale, - maxy = maxDistance / axisy.scale; - - if (s.lines.show || s.points.show) { - for (j = 0; j < points.length; j += incr) { - 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; // no idea in taking sqrt - if (dist < lowestDistance) { - lowestDistance = dist; - item = [i, j / incr]; - } - } - } - - 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 += incr) { - 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 / incr]; - } - } - } - - if (item) { - i = item[0]; - j = item[1]; - - return { datapoint: series[i].data[j], - dataIndex: j, - series: series[i], - seriesIndex: i } - } - - return null; - } - - function onMouseMove(ev) { - // FIXME: temp. work-around until jQuery bug 4398 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) - (de.clientLeft || 0); - lastMousePos.pageY = e.clientY + (de && de.scrollTop || b.scrollTop || 0) - (de.clientTop || 0); - } - else { - lastMousePos.pageX = e.pageX; - lastMousePos.pageY = e.pageY; - } - - if (options.grid.hoverable) - triggerClickHoverEvent("plothover", lastMousePos, - function (s) { return s["hoverable"] != false; }); - - if (options.crosshair.mode != null) { - if (!selection.active) { - setPositionFromEvent(crosshair.pos, lastMousePos); - triggerRedrawOverlay(); - } - else - crosshair.pos.x = -1; // hide the crosshair while selecting - } - - if (selection.active) { - target.trigger("plotselecting", [ selectionIsSane() ? getSelectionForEvent() : null ]); - - updateSelection(lastMousePos); - } - } - - 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); - - lastMousePos.pageX = null; - selection.active = true; - $(document).one("mouseup", onSelectionMouseUp); - } - - function onMouseOut(ev) { - if (options.crosshair.mode != null && crosshair.pos.x != -1) { - crosshair.pos.x = -1; - triggerRedrawOverlay(); - } - } - - function onClick(e) { - if (clickIsMouseUp) { - clickIsMouseUp = false; - return; - } - - triggerClickHoverEvent("plotclick", e, - function (s) { return s["clickable"] != false; }); - } - - /* - function userPositionInCanvasSpace(pos) { - return { x: parseInt(pos.x != null ? axes.xaxis.p2c(pos.x) : axes.x2axis.p2c(pos.x2)), - y: parseInt(pos.y != null ? axes.yaxis.p2c(pos.y) : axes.y2axis.p2c(pos.y2)) }; - } - - function positionInDivSpace(pos) { - var cpos = userPositionInCanvasSpace(pos); - return { x: cpos.x + plotOffset.left, - y: cpos.y + plotOffset.top }; - }*/ - - // trigger click or hover event (they send the same parameters - // so we share their code) - function triggerClickHoverEvent(eventname, event, seriesFilter) { - var offset = eventHolder.offset(), - pos = { pageX: event.pageX, pageY: event.pageY }, - canvasX = event.pageX - offset.left - plotOffset.left, - canvasY = event.pageY - offset.top - plotOffset.top; - - if (axes.xaxis.used) - pos.x = axes.xaxis.c2p(canvasX); - if (axes.yaxis.used) - pos.y = axes.yaxis.c2p(canvasY); - if (axes.x2axis.used) - pos.x2 = axes.x2axis.c2p(canvasX); - if (axes.y2axis.used) - pos.y2 = axes.y2axis.c2p(canvasY); - - 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 == item.datapoint)) - unhighlight(h.series, h.point); - } - - if (item) - highlight(item.series, item.datapoint, eventname); - } - - target.trigger(eventname, [ pos, item ]); - } - - function triggerRedrawOverlay() { - if (!redrawTimeout) - redrawTimeout = setTimeout(redrawOverlay, 30); - } - - function redrawOverlay() { - redrawTimeout = null; - - // redraw 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); - } - - // redraw selection - if (selection.show && selectionIsSane()) { - 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(); - - 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, y, w, h); - octx.strokeRect(x, y, w, h); - } - - // redraw crosshair - var pos = crosshair.pos, mode = options.crosshair.mode; - if (mode != null && pos.x != -1) { - octx.strokeStyle = parseColor(options.crosshair.color).scale(null, null, null, 0.8).toString(); - octx.lineWidth = 1; - ctx.lineJoin = "round"; - - octx.beginPath(); - if (mode.indexOf("x") != -1) { - octx.moveTo(pos.x, 0); - octx.lineTo(pos.x, plotHeight); - } - if (mode.indexOf("y") != -1) { - octx.moveTo(0, pos.y); - octx.lineTo(plotWidth, pos.y); - } - octx.stroke(); - - } - octx.restore(); - } - - function highlight(s, point, auto) { - if (typeof s == "number") - s = series[s]; - - if (typeof point == "number") - point = s.data[point]; - - 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 (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 = parseColor(series.color).scale(1, 1, 1, 0.5).toString(); - var radius = 1.5 * pointRadius; - octx.beginPath(); - octx.arc(axisx.p2c(x), axisy.p2c(y), radius, 0, 2 * Math.PI, true); - octx.stroke(); - } - - function drawBarHighlight(series, point) { - octx.lineWidth = series.bars.lineWidth; - octx.strokeStyle = parseColor(series.color).scale(1, 1, 1, 0.5).toString(); - var fillStyle = parseColor(series.color).scale(1, 1, 1, 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); - } - - function setPositionFromEvent(pos, e) { - var offset = eventHolder.offset(); - pos.x = clamp(0, e.pageX - offset.left - plotOffset.left, plotWidth); - pos.y = clamp(0, e.pageY - offset.top - plotOffset.top, plotHeight); - } - - function setCrosshair(pos) { - if (pos == null) - crosshair.pos.x = -1; - else { - crosshair.pos.x = clamp(0, pos.x != null ? axes.xaxis.p2c(pos.x) : axes.x2axis.p2c(pos.x2), plotWidth); - crosshair.pos.y = clamp(0, pos.y != null ? axes.yaxis.p2c(pos.y) : axes.y2axis.p2c(pos.y2), plotHeight); - } - triggerRedrawOverlay(); - } - - function getSelectionForEvent() { - var x1 = Math.min(selection.first.x, selection.second.x), - x2 = Math.max(selection.first.x, selection.second.x), - y1 = Math.max(selection.first.y, selection.second.y), - y2 = Math.min(selection.first.y, selection.second.y); - - var r = {}; - if (axes.xaxis.used) - r.xaxis = { from: axes.xaxis.c2p(x1), to: axes.xaxis.c2p(x2) }; - if (axes.x2axis.used) - r.x2axis = { from: axes.x2axis.c2p(x1), to: axes.x2axis.c2p(x2) }; - if (axes.yaxis.used) - r.yaxis = { from: axes.yaxis.c2p(y1), to: axes.yaxis.c2p(y2) }; - if (axes.y2axis.used) - r.y2axis = { from: axes.y2axis.c2p(y1), to: axes.y2axis.c2p(y2) }; - return r; - } - - function triggerSelectedEvent() { - var r = getSelectionForEvent(); - - target.trigger("plotselected", [ r ]); - - // backwards-compat stuff, to be removed in future - if (axes.xaxis.used && axes.yaxis.used) - target.trigger("selected", [ { x1: r.xaxis.from, y1: r.yaxis.from, x2: r.xaxis.to, y2: r.yaxis.to } ]); - } - - function onSelectionMouseUp(e) { - // revert drag stuff for old-school browsers - if (document.onselectstart !== undefined) - document.onselectstart = workarounds.onselectstart; - if (document.ondrag !== undefined) - document.ondrag = workarounds.ondrag; - - // no more draggy-dee-drag - selection.active = false; - updateSelection(e); - - if (selectionIsSane()) { - triggerSelectedEvent(); - clickIsMouseUp = true; - } - else { - // this counts as a clear - target.trigger("plotunselected", [ ]); - target.trigger("plotselecting", [ null ]); - } - - return false; - } - - function setSelectionPos(pos, e) { - setPositionFromEvent(pos, e); - - if (options.selection.mode == "y") { - if (pos == selection.first) - pos.x = 0; - else - pos.x = plotWidth; - } - - if (options.selection.mode == "x") { - if (pos == selection.first) - pos.y = 0; - else - pos.y = plotHeight; - } - } - - function updateSelection(pos) { - if (pos.pageX == null) - return; - - setSelectionPos(selection.second, pos); - if (selectionIsSane()) { - selection.show = true; - triggerRedrawOverlay(); - } - else - clearSelection(true); - } - - function clearSelection(preventEvent) { - if (selection.show) { - selection.show = false; - triggerRedrawOverlay(); - if (!preventEvent) - target.trigger("plotunselected", [ ]); - } - } - - function setSelection(ranges, preventEvent) { - var range; - - if (options.selection.mode == "y") { - selection.first.x = 0; - selection.second.x = plotWidth; - } - else { - range = extractRange(ranges, "x"); - - selection.first.x = range.axis.p2c(range.from); - selection.second.x = range.axis.p2c(range.to); - } - - if (options.selection.mode == "x") { - selection.first.y = 0; - selection.second.y = plotHeight; - } - else { - range = extractRange(ranges, "y"); - - selection.first.y = range.axis.p2c(range.from); - selection.second.y = range.axis.p2c(range.to); - } - - selection.show = true; - triggerRedrawOverlay(); - if (!preventEvent) - triggerSelectedEvent(); - } - - function selectionIsSane() { - var minSize = 5; - return Math.abs(selection.second.x - selection.first.x) >= minSize && - Math.abs(selection.second.y - selection.first.y) >= minSize; - } - - 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]; - gradient.addColorStop(i / (l - 1), typeof c == "string" ? c : parseColor(defaultColor).scale(c.brightness, c.brightness, c.brightness, c.opacity)); - } - - return gradient; - } - } - } - - $.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; - }; - - // 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; - 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.getUTCHours(); break; - case 'H': c = leftPad(d.getUTCHours()); 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; - } - r.push(c); - 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); - } - - function clamp(min, value, max) { - if (value < min) - return min; - else if (value > max) - return max; - else - return value; - } - - // 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 = clamp(0, parseInt(this.r), 255); - this.g = clamp(0, parseInt(this.g), 255); - this.b = clamp(0, parseInt(this.b), 255); - this.a = clamp(0, this.a, 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); -- cgit v1.2.3-1-g7c22