From 26046264113f6f5e3f6ec360e840931966f9c585 Mon Sep 17 00:00:00 2001 From: Ikhsan Agustian Date: Mon, 20 Oct 2014 08:25:43 +0700 Subject: [PATCH] add flot as dependency for graph --- js/flot_plugin/jquery.flot.canvas.js | 345 +++++++++ js/flot_plugin/jquery.flot.categories.js | 190 +++++ js/flot_plugin/jquery.flot.crosshair.js | 176 +++++ js/flot_plugin/jquery.flot.errorbars.js | 353 ++++++++++ js/flot_plugin/jquery.flot.fillbetween.js | 226 ++++++ js/flot_plugin/jquery.flot.image.js | 241 +++++++ js/flot_plugin/jquery.flot.navigate.js | 346 +++++++++ js/flot_plugin/jquery.flot.pie.js | 820 ++++++++++++++++++++++ js/flot_plugin/jquery.flot.resize.js | 59 ++ js/flot_plugin/jquery.flot.selection.js | 360 ++++++++++ js/flot_plugin/jquery.flot.stack.js | 188 +++++ js/flot_plugin/jquery.flot.symbol.js | 71 ++ js/flot_plugin/jquery.flot.threshold.js | 142 ++++ js/flot_plugin/jquery.flot.time.js | 432 ++++++++++++ 14 files changed, 3949 insertions(+) create mode 100644 js/flot_plugin/jquery.flot.canvas.js create mode 100644 js/flot_plugin/jquery.flot.categories.js create mode 100644 js/flot_plugin/jquery.flot.crosshair.js create mode 100644 js/flot_plugin/jquery.flot.errorbars.js create mode 100644 js/flot_plugin/jquery.flot.fillbetween.js create mode 100644 js/flot_plugin/jquery.flot.image.js create mode 100644 js/flot_plugin/jquery.flot.navigate.js create mode 100644 js/flot_plugin/jquery.flot.pie.js create mode 100644 js/flot_plugin/jquery.flot.resize.js create mode 100644 js/flot_plugin/jquery.flot.selection.js create mode 100644 js/flot_plugin/jquery.flot.stack.js create mode 100644 js/flot_plugin/jquery.flot.symbol.js create mode 100644 js/flot_plugin/jquery.flot.threshold.js create mode 100644 js/flot_plugin/jquery.flot.time.js diff --git a/js/flot_plugin/jquery.flot.canvas.js b/js/flot_plugin/jquery.flot.canvas.js new file mode 100644 index 0000000..29328d5 --- /dev/null +++ b/js/flot_plugin/jquery.flot.canvas.js @@ -0,0 +1,345 @@ +/* Flot plugin for drawing all elements of a plot on the canvas. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +Flot normally produces certain elements, like axis labels and the legend, using +HTML elements. This permits greater interactivity and customization, and often +looks better, due to cross-browser canvas text inconsistencies and limitations. + +It can also be desirable to render the plot entirely in canvas, particularly +if the goal is to save it as an image, or if Flot is being used in a context +where the HTML DOM does not exist, as is the case within Node.js. This plugin +switches out Flot's standard drawing operations for canvas-only replacements. + +Currently the plugin supports only axis labels, but it will eventually allow +every element of the plot to be rendered directly to canvas. + +The plugin supports these options: + +{ + canvas: boolean +} + +The "canvas" option controls whether full canvas drawing is enabled, making it +possible to toggle on and off. This is useful when a plot uses HTML text in the +browser, but needs to redraw with canvas text when exporting as an image. + +*/ + +(function($) { + + var options = { + canvas: true + }; + + var render, getTextInfo, addText; + + // Cache the prototype hasOwnProperty for faster access + + var hasOwnProperty = Object.prototype.hasOwnProperty; + + function init(plot, classes) { + + var Canvas = classes.Canvas; + + // We only want to replace the functions once; the second time around + // we would just get our new function back. This whole replacing of + // prototype functions is a disaster, and needs to be changed ASAP. + + if (render == null) { + getTextInfo = Canvas.prototype.getTextInfo, + addText = Canvas.prototype.addText, + render = Canvas.prototype.render; + } + + // Finishes rendering the canvas, including overlaid text + + Canvas.prototype.render = function() { + + if (!plot.getOptions().canvas) { + return render.call(this); + } + + var context = this.context, + cache = this._textCache; + + // For each text layer, render elements marked as active + + context.save(); + context.textBaseline = "middle"; + + for (var layerKey in cache) { + if (hasOwnProperty.call(cache, layerKey)) { + var layerCache = cache[layerKey]; + for (var styleKey in layerCache) { + if (hasOwnProperty.call(layerCache, styleKey)) { + var styleCache = layerCache[styleKey], + updateStyles = true; + for (var key in styleCache) { + if (hasOwnProperty.call(styleCache, key)) { + + var info = styleCache[key], + positions = info.positions, + lines = info.lines; + + // Since every element at this level of the cache have the + // same font and fill styles, we can just change them once + // using the values from the first element. + + if (updateStyles) { + context.fillStyle = info.font.color; + context.font = info.font.definition; + updateStyles = false; + } + + for (var i = 0, position; position = positions[i]; i++) { + if (position.active) { + for (var j = 0, line; line = position.lines[j]; j++) { + context.fillText(lines[j].text, line[0], line[1]); + } + } else { + positions.splice(i--, 1); + } + } + + if (positions.length == 0) { + delete styleCache[key]; + } + } + } + } + } + } + } + + context.restore(); + }; + + // Creates (if necessary) and returns a text info object. + // + // When the canvas option is set, the object looks like this: + // + // { + // width: Width of the text's bounding box. + // height: Height of the text's bounding box. + // positions: Array of positions at which this text is drawn. + // lines: [{ + // height: Height of this line. + // widths: Width of this line. + // text: Text on this line. + // }], + // font: { + // definition: Canvas font property string. + // color: Color of the text. + // }, + // } + // + // The positions array contains objects that look like this: + // + // { + // active: Flag indicating whether the text should be visible. + // lines: Array of [x, y] coordinates at which to draw the line. + // x: X coordinate at which to draw the text. + // y: Y coordinate at which to draw the text. + // } + + Canvas.prototype.getTextInfo = function(layer, text, font, angle, width) { + + if (!plot.getOptions().canvas) { + return getTextInfo.call(this, layer, text, font, angle, width); + } + + var textStyle, layerCache, styleCache, info; + + // Cast the value to a string, in case we were given a number + + text = "" + text; + + // If the font is a font-spec object, generate a CSS definition + + if (typeof font === "object") { + textStyle = font.style + " " + font.variant + " " + font.weight + " " + font.size + "px " + font.family; + } else { + textStyle = font; + } + + // Retrieve (or create) the cache for the text's layer and styles + + layerCache = this._textCache[layer]; + + if (layerCache == null) { + layerCache = this._textCache[layer] = {}; + } + + styleCache = layerCache[textStyle]; + + if (styleCache == null) { + styleCache = layerCache[textStyle] = {}; + } + + info = styleCache[text]; + + if (info == null) { + + var context = this.context; + + // If the font was provided as CSS, create a div with those + // classes and examine it to generate a canvas font spec. + + if (typeof font !== "object") { + + var element = $("
 
") + .css("position", "absolute") + .addClass(typeof font === "string" ? font : null) + .appendTo(this.getTextLayer(layer)); + + font = { + lineHeight: element.height(), + style: element.css("font-style"), + variant: element.css("font-variant"), + weight: element.css("font-weight"), + family: element.css("font-family"), + color: element.css("color") + }; + + // Setting line-height to 1, without units, sets it equal + // to the font-size, even if the font-size is abstract, + // like 'smaller'. This enables us to read the real size + // via the element's height, working around browsers that + // return the literal 'smaller' value. + + font.size = element.css("line-height", 1).height(); + + element.remove(); + } + + textStyle = font.style + " " + font.variant + " " + font.weight + " " + font.size + "px " + font.family; + + // Create a new info object, initializing the dimensions to + // zero so we can count them up line-by-line. + + info = styleCache[text] = { + width: 0, + height: 0, + positions: [], + lines: [], + font: { + definition: textStyle, + color: font.color + } + }; + + context.save(); + context.font = textStyle; + + // Canvas can't handle multi-line strings; break on various + // newlines, including HTML brs, to build a list of lines. + // Note that we could split directly on regexps, but IE < 9 is + // broken; revisit when we drop IE 7/8 support. + + var lines = (text + "").replace(/
|\r\n|\r/g, "\n").split("\n"); + + for (var i = 0; i < lines.length; ++i) { + + var lineText = lines[i], + measured = context.measureText(lineText); + + info.width = Math.max(measured.width, info.width); + info.height += font.lineHeight; + + info.lines.push({ + text: lineText, + width: measured.width, + height: font.lineHeight + }); + } + + context.restore(); + } + + return info; + }; + + // Adds a text string to the canvas text overlay. + + Canvas.prototype.addText = function(layer, x, y, text, font, angle, width, halign, valign) { + + if (!plot.getOptions().canvas) { + return addText.call(this, layer, x, y, text, font, angle, width, halign, valign); + } + + var info = this.getTextInfo(layer, text, font, angle, width), + positions = info.positions, + lines = info.lines; + + // Text is drawn with baseline 'middle', which we need to account + // for by adding half a line's height to the y position. + + y += info.height / lines.length / 2; + + // Tweak the initial y-position to match vertical alignment + + if (valign == "middle") { + y = Math.round(y - info.height / 2); + } else if (valign == "bottom") { + y = Math.round(y - info.height); + } else { + y = Math.round(y); + } + + // FIXME: LEGACY BROWSER FIX + // AFFECTS: Opera < 12.00 + + // Offset the y coordinate, since Opera is off pretty + // consistently compared to the other browsers. + + if (!!(window.opera && window.opera.version().split(".")[0] < 12)) { + y -= 2; + } + + // Determine whether this text already exists at this position. + // If so, mark it for inclusion in the next render pass. + + for (var i = 0, position; position = positions[i]; i++) { + if (position.x == x && position.y == y) { + position.active = true; + return; + } + } + + // If the text doesn't exist at this position, create a new entry + + position = { + active: true, + lines: [], + x: x, + y: y + }; + + positions.push(position); + + // Fill in the x & y positions of each line, adjusting them + // individually for horizontal alignment. + + for (var i = 0, line; line = lines[i]; i++) { + if (halign == "center") { + position.lines.push([Math.round(x - line.width / 2), y]); + } else if (halign == "right") { + position.lines.push([Math.round(x - line.width), y]); + } else { + position.lines.push([Math.round(x), y]); + } + y += line.height; + } + }; + } + + $.plot.plugins.push({ + init: init, + options: options, + name: "canvas", + version: "1.0" + }); + +})(jQuery); diff --git a/js/flot_plugin/jquery.flot.categories.js b/js/flot_plugin/jquery.flot.categories.js new file mode 100644 index 0000000..2f9b257 --- /dev/null +++ b/js/flot_plugin/jquery.flot.categories.js @@ -0,0 +1,190 @@ +/* Flot plugin for plotting textual data or categories. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +Consider a dataset like [["February", 34], ["March", 20], ...]. This plugin +allows you to plot such a dataset directly. + +To enable it, you must specify mode: "categories" on the axis with the textual +labels, e.g. + + $.plot("#placeholder", data, { xaxis: { mode: "categories" } }); + +By default, the labels are ordered as they are met in the data series. If you +need a different ordering, you can specify "categories" on the axis options +and list the categories there: + + xaxis: { + mode: "categories", + categories: ["February", "March", "April"] + } + +If you need to customize the distances between the categories, you can specify +"categories" as an object mapping labels to values + + xaxis: { + mode: "categories", + categories: { "February": 1, "March": 3, "April": 4 } + } + +If you don't specify all categories, the remaining categories will be numbered +from the max value plus 1 (with a spacing of 1 between each). + +Internally, the plugin works by transforming the input data through an auto- +generated mapping where the first category becomes 0, the second 1, etc. +Hence, a point like ["February", 34] becomes [0, 34] internally in Flot (this +is visible in hover and click events that return numbers rather than the +category labels). The plugin also overrides the tick generator to spit out the +categories as ticks instead of the values. + +If you need to map a value back to its label, the mapping is always accessible +as "categories" on the axis object, e.g. plot.getAxes().xaxis.categories. + +*/ + +(function ($) { + var options = { + xaxis: { + categories: null + }, + yaxis: { + categories: null + } + }; + + function processRawData(plot, series, data, datapoints) { + // if categories are enabled, we need to disable + // auto-transformation to numbers so the strings are intact + // for later processing + + var xCategories = series.xaxis.options.mode == "categories", + yCategories = series.yaxis.options.mode == "categories"; + + if (!(xCategories || yCategories)) + return; + + var format = datapoints.format; + + if (!format) { + // FIXME: auto-detection should really not be defined here + var s = series; + format = []; + format.push({ x: true, number: true, required: true }); + format.push({ y: true, number: true, required: true }); + + if (s.bars.show || (s.lines.show && s.lines.fill)) { + var autoscale = !!((s.bars.show && s.bars.zero) || (s.lines.show && s.lines.zero)); + format.push({ y: true, number: true, required: false, defaultValue: 0, autoscale: autoscale }); + if (s.bars.horizontal) { + delete format[format.length - 1].y; + format[format.length - 1].x = true; + } + } + + datapoints.format = format; + } + + for (var m = 0; m < format.length; ++m) { + if (format[m].x && xCategories) + format[m].number = false; + + if (format[m].y && yCategories) + format[m].number = false; + } + } + + function getNextIndex(categories) { + var index = -1; + + for (var v in categories) + if (categories[v] > index) + index = categories[v]; + + return index + 1; + } + + function categoriesTickGenerator(axis) { + var res = []; + for (var label in axis.categories) { + var v = axis.categories[label]; + if (v >= axis.min && v <= axis.max) + res.push([v, label]); + } + + res.sort(function (a, b) { return a[0] - b[0]; }); + + return res; + } + + function setupCategoriesForAxis(series, axis, datapoints) { + if (series[axis].options.mode != "categories") + return; + + if (!series[axis].categories) { + // parse options + var c = {}, o = series[axis].options.categories || {}; + if ($.isArray(o)) { + for (var i = 0; i < o.length; ++i) + c[o[i]] = i; + } + else { + for (var v in o) + c[v] = o[v]; + } + + series[axis].categories = c; + } + + // fix ticks + if (!series[axis].options.ticks) + series[axis].options.ticks = categoriesTickGenerator; + + transformPointsOnAxis(datapoints, axis, series[axis].categories); + } + + function transformPointsOnAxis(datapoints, axis, categories) { + // go through the points, transforming them + var points = datapoints.points, + ps = datapoints.pointsize, + format = datapoints.format, + formatColumn = axis.charAt(0), + index = getNextIndex(categories); + + for (var i = 0; i < points.length; i += ps) { + if (points[i] == null) + continue; + + for (var m = 0; m < ps; ++m) { + var val = points[i + m]; + + if (val == null || !format[m][formatColumn]) + continue; + + if (!(val in categories)) { + categories[val] = index; + ++index; + } + + points[i + m] = categories[val]; + } + } + } + + function processDatapoints(plot, series, datapoints) { + setupCategoriesForAxis(series, "xaxis", datapoints); + setupCategoriesForAxis(series, "yaxis", datapoints); + } + + function init(plot) { + plot.hooks.processRawData.push(processRawData); + plot.hooks.processDatapoints.push(processDatapoints); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'categories', + version: '1.0' + }); +})(jQuery); diff --git a/js/flot_plugin/jquery.flot.crosshair.js b/js/flot_plugin/jquery.flot.crosshair.js new file mode 100644 index 0000000..5111695 --- /dev/null +++ b/js/flot_plugin/jquery.flot.crosshair.js @@ -0,0 +1,176 @@ +/* Flot plugin for showing crosshairs when the mouse hovers over the plot. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +The plugin supports these options: + + crosshair: { + mode: null or "x" or "y" or "xy" + color: color + lineWidth: number + } + +Set the mode to one of "x", "y" or "xy". The "x" mode enables a vertical +crosshair that lets you trace the values on the x axis, "y" enables a +horizontal crosshair and "xy" enables them both. "color" is the color of the +crosshair (default is "rgba(170, 0, 0, 0.80)"), "lineWidth" is the width of +the drawn lines (default is 1). + +The plugin also adds four public methods: + + - setCrosshair( pos ) + + Set the position of the crosshair. Note that this is cleared if the user + moves the mouse. "pos" is in coordinates of the plot and should be on the + form { x: xpos, y: ypos } (you can use x2/x3/... if you're using multiple + axes), which is coincidentally the same format as what you get from a + "plothover" event. If "pos" is null, the crosshair is cleared. + + - clearCrosshair() + + Clear the crosshair. + + - lockCrosshair(pos) + + Cause the crosshair to lock to the current location, no longer updating if + the user moves the mouse. Optionally supply a position (passed on to + setCrosshair()) to move it to. + + Example usage: + + var myFlot = $.plot( $("#graph"), ..., { crosshair: { mode: "x" } } }; + $("#graph").bind( "plothover", function ( evt, position, item ) { + if ( item ) { + // Lock the crosshair to the data point being hovered + myFlot.lockCrosshair({ + x: item.datapoint[ 0 ], + y: item.datapoint[ 1 ] + }); + } else { + // Return normal crosshair operation + myFlot.unlockCrosshair(); + } + }); + + - unlockCrosshair() + + Free the crosshair to move again after locking it. +*/ + +(function ($) { + var options = { + crosshair: { + mode: null, // one of null, "x", "y" or "xy", + color: "rgba(170, 0, 0, 0.80)", + lineWidth: 1 + } + }; + + function init(plot) { + // position of crosshair in pixels + var crosshair = { x: -1, y: -1, locked: false }; + + plot.setCrosshair = function setCrosshair(pos) { + if (!pos) + crosshair.x = -1; + else { + var o = plot.p2c(pos); + crosshair.x = Math.max(0, Math.min(o.left, plot.width())); + crosshair.y = Math.max(0, Math.min(o.top, plot.height())); + } + + plot.triggerRedrawOverlay(); + }; + + plot.clearCrosshair = plot.setCrosshair; // passes null for pos + + plot.lockCrosshair = function lockCrosshair(pos) { + if (pos) + plot.setCrosshair(pos); + crosshair.locked = true; + }; + + plot.unlockCrosshair = function unlockCrosshair() { + crosshair.locked = false; + }; + + function onMouseOut(e) { + if (crosshair.locked) + return; + + if (crosshair.x != -1) { + crosshair.x = -1; + plot.triggerRedrawOverlay(); + } + } + + function onMouseMove(e) { + if (crosshair.locked) + return; + + if (plot.getSelection && plot.getSelection()) { + crosshair.x = -1; // hide the crosshair while selecting + return; + } + + var offset = plot.offset(); + crosshair.x = Math.max(0, Math.min(e.pageX - offset.left, plot.width())); + crosshair.y = Math.max(0, Math.min(e.pageY - offset.top, plot.height())); + plot.triggerRedrawOverlay(); + } + + plot.hooks.bindEvents.push(function (plot, eventHolder) { + if (!plot.getOptions().crosshair.mode) + return; + + eventHolder.mouseout(onMouseOut); + eventHolder.mousemove(onMouseMove); + }); + + plot.hooks.drawOverlay.push(function (plot, ctx) { + var c = plot.getOptions().crosshair; + if (!c.mode) + return; + + var plotOffset = plot.getPlotOffset(); + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + if (crosshair.x != -1) { + var adj = plot.getOptions().crosshair.lineWidth % 2 ? 0.5 : 0; + + ctx.strokeStyle = c.color; + ctx.lineWidth = c.lineWidth; + ctx.lineJoin = "round"; + + ctx.beginPath(); + if (c.mode.indexOf("x") != -1) { + var drawX = Math.floor(crosshair.x) + adj; + ctx.moveTo(drawX, 0); + ctx.lineTo(drawX, plot.height()); + } + if (c.mode.indexOf("y") != -1) { + var drawY = Math.floor(crosshair.y) + adj; + ctx.moveTo(0, drawY); + ctx.lineTo(plot.width(), drawY); + } + ctx.stroke(); + } + ctx.restore(); + }); + + plot.hooks.shutdown.push(function (plot, eventHolder) { + eventHolder.unbind("mouseout", onMouseOut); + eventHolder.unbind("mousemove", onMouseMove); + }); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'crosshair', + version: '1.0' + }); +})(jQuery); diff --git a/js/flot_plugin/jquery.flot.errorbars.js b/js/flot_plugin/jquery.flot.errorbars.js new file mode 100644 index 0000000..2583d5c --- /dev/null +++ b/js/flot_plugin/jquery.flot.errorbars.js @@ -0,0 +1,353 @@ +/* Flot plugin for plotting error bars. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +Error bars are used to show standard deviation and other statistical +properties in a plot. + +* Created by Rui Pereira - rui (dot) pereira (at) gmail (dot) com + +This plugin allows you to plot error-bars over points. Set "errorbars" inside +the points series to the axis name over which there will be error values in +your data array (*even* if you do not intend to plot them later, by setting +"show: null" on xerr/yerr). + +The plugin supports these options: + + series: { + points: { + errorbars: "x" or "y" or "xy", + xerr: { + show: null/false or true, + asymmetric: null/false or true, + upperCap: null or "-" or function, + lowerCap: null or "-" or function, + color: null or color, + radius: null or number + }, + yerr: { same options as xerr } + } + } + +Each data point array is expected to be of the type: + + "x" [ x, y, xerr ] + "y" [ x, y, yerr ] + "xy" [ x, y, xerr, yerr ] + +Where xerr becomes xerr_lower,xerr_upper for the asymmetric error case, and +equivalently for yerr. Eg., a datapoint for the "xy" case with symmetric +error-bars on X and asymmetric on Y would be: + + [ x, y, xerr, yerr_lower, yerr_upper ] + +By default no end caps are drawn. Setting upperCap and/or lowerCap to "-" will +draw a small cap perpendicular to the error bar. They can also be set to a +user-defined drawing function, with (ctx, x, y, radius) as parameters, as eg. + + function drawSemiCircle( ctx, x, y, radius ) { + ctx.beginPath(); + ctx.arc( x, y, radius, 0, Math.PI, false ); + ctx.moveTo( x - radius, y ); + ctx.lineTo( x + radius, y ); + ctx.stroke(); + } + +Color and radius both default to the same ones of the points series if not +set. The independent radius parameter on xerr/yerr is useful for the case when +we may want to add error-bars to a line, without showing the interconnecting +points (with radius: 0), and still showing end caps on the error-bars. +shadowSize and lineWidth are derived as well from the points series. + +*/ + +(function ($) { + var options = { + series: { + points: { + errorbars: null, //should be 'x', 'y' or 'xy' + xerr: { err: 'x', show: null, asymmetric: null, upperCap: null, lowerCap: null, color: null, radius: null}, + yerr: { err: 'y', show: null, asymmetric: null, upperCap: null, lowerCap: null, color: null, radius: null} + } + } + }; + + function processRawData(plot, series, data, datapoints){ + if (!series.points.errorbars) + return; + + // x,y values + var format = [ + { x: true, number: true, required: true }, + { y: true, number: true, required: true } + ]; + + var errors = series.points.errorbars; + // error bars - first X then Y + if (errors == 'x' || errors == 'xy') { + // lower / upper error + if (series.points.xerr.asymmetric) { + format.push({ x: true, number: true, required: true }); + format.push({ x: true, number: true, required: true }); + } else + format.push({ x: true, number: true, required: true }); + } + if (errors == 'y' || errors == 'xy') { + // lower / upper error + if (series.points.yerr.asymmetric) { + format.push({ y: true, number: true, required: true }); + format.push({ y: true, number: true, required: true }); + } else + format.push({ y: true, number: true, required: true }); + } + datapoints.format = format; + } + + function parseErrors(series, i){ + + var points = series.datapoints.points; + + // read errors from points array + var exl = null, + exu = null, + eyl = null, + eyu = null; + var xerr = series.points.xerr, + yerr = series.points.yerr; + + var eb = series.points.errorbars; + // error bars - first X + if (eb == 'x' || eb == 'xy') { + if (xerr.asymmetric) { + exl = points[i + 2]; + exu = points[i + 3]; + if (eb == 'xy') + if (yerr.asymmetric){ + eyl = points[i + 4]; + eyu = points[i + 5]; + } else eyl = points[i + 4]; + } else { + exl = points[i + 2]; + if (eb == 'xy') + if (yerr.asymmetric) { + eyl = points[i + 3]; + eyu = points[i + 4]; + } else eyl = points[i + 3]; + } + // only Y + } else if (eb == 'y') + if (yerr.asymmetric) { + eyl = points[i + 2]; + eyu = points[i + 3]; + } else eyl = points[i + 2]; + + // symmetric errors? + if (exu == null) exu = exl; + if (eyu == null) eyu = eyl; + + var errRanges = [exl, exu, eyl, eyu]; + // nullify if not showing + if (!xerr.show){ + errRanges[0] = null; + errRanges[1] = null; + } + if (!yerr.show){ + errRanges[2] = null; + errRanges[3] = null; + } + return errRanges; + } + + function drawSeriesErrors(plot, ctx, s){ + + var points = s.datapoints.points, + ps = s.datapoints.pointsize, + ax = [s.xaxis, s.yaxis], + radius = s.points.radius, + err = [s.points.xerr, s.points.yerr]; + + //sanity check, in case some inverted axis hack is applied to flot + var invertX = false; + if (ax[0].p2c(ax[0].max) < ax[0].p2c(ax[0].min)) { + invertX = true; + var tmp = err[0].lowerCap; + err[0].lowerCap = err[0].upperCap; + err[0].upperCap = tmp; + } + + var invertY = false; + if (ax[1].p2c(ax[1].min) < ax[1].p2c(ax[1].max)) { + invertY = true; + var tmp = err[1].lowerCap; + err[1].lowerCap = err[1].upperCap; + err[1].upperCap = tmp; + } + + for (var i = 0; i < s.datapoints.points.length; i += ps) { + + //parse + var errRanges = parseErrors(s, i); + + //cycle xerr & yerr + for (var e = 0; e < err.length; e++){ + + var minmax = [ax[e].min, ax[e].max]; + + //draw this error? + if (errRanges[e * err.length]){ + + //data coordinates + var x = points[i], + y = points[i + 1]; + + //errorbar ranges + var upper = [x, y][e] + errRanges[e * err.length + 1], + lower = [x, y][e] - errRanges[e * err.length]; + + //points outside of the canvas + if (err[e].err == 'x') + if (y > ax[1].max || y < ax[1].min || upper < ax[0].min || lower > ax[0].max) + continue; + if (err[e].err == 'y') + if (x > ax[0].max || x < ax[0].min || upper < ax[1].min || lower > ax[1].max) + continue; + + // prevent errorbars getting out of the canvas + var drawUpper = true, + drawLower = true; + + if (upper > minmax[1]) { + drawUpper = false; + upper = minmax[1]; + } + if (lower < minmax[0]) { + drawLower = false; + lower = minmax[0]; + } + + //sanity check, in case some inverted axis hack is applied to flot + if ((err[e].err == 'x' && invertX) || (err[e].err == 'y' && invertY)) { + //swap coordinates + var tmp = lower; + lower = upper; + upper = tmp; + tmp = drawLower; + drawLower = drawUpper; + drawUpper = tmp; + tmp = minmax[0]; + minmax[0] = minmax[1]; + minmax[1] = tmp; + } + + // convert to pixels + x = ax[0].p2c(x), + y = ax[1].p2c(y), + upper = ax[e].p2c(upper); + lower = ax[e].p2c(lower); + minmax[0] = ax[e].p2c(minmax[0]); + minmax[1] = ax[e].p2c(minmax[1]); + + //same style as points by default + var lw = err[e].lineWidth ? err[e].lineWidth : s.points.lineWidth, + sw = s.points.shadowSize != null ? s.points.shadowSize : s.shadowSize; + + //shadow as for points + if (lw > 0 && sw > 0) { + var w = sw / 2; + ctx.lineWidth = w; + ctx.strokeStyle = "rgba(0,0,0,0.1)"; + drawError(ctx, err[e], x, y, upper, lower, drawUpper, drawLower, radius, w + w/2, minmax); + + ctx.strokeStyle = "rgba(0,0,0,0.2)"; + drawError(ctx, err[e], x, y, upper, lower, drawUpper, drawLower, radius, w/2, minmax); + } + + ctx.strokeStyle = err[e].color? err[e].color: s.color; + ctx.lineWidth = lw; + //draw it + drawError(ctx, err[e], x, y, upper, lower, drawUpper, drawLower, radius, 0, minmax); + } + } + } + } + + function drawError(ctx,err,x,y,upper,lower,drawUpper,drawLower,radius,offset,minmax){ + + //shadow offset + y += offset; + upper += offset; + lower += offset; + + // error bar - avoid plotting over circles + if (err.err == 'x'){ + if (upper > x + radius) drawPath(ctx, [[upper,y],[Math.max(x + radius,minmax[0]),y]]); + else drawUpper = false; + if (lower < x - radius) drawPath(ctx, [[Math.min(x - radius,minmax[1]),y],[lower,y]] ); + else drawLower = false; + } + else { + if (upper < y - radius) drawPath(ctx, [[x,upper],[x,Math.min(y - radius,minmax[0])]] ); + else drawUpper = false; + if (lower > y + radius) drawPath(ctx, [[x,Math.max(y + radius,minmax[1])],[x,lower]] ); + else drawLower = false; + } + + //internal radius value in errorbar, allows to plot radius 0 points and still keep proper sized caps + //this is a way to get errorbars on lines without visible connecting dots + radius = err.radius != null? err.radius: radius; + + // upper cap + if (drawUpper) { + if (err.upperCap == '-'){ + if (err.err=='x') drawPath(ctx, [[upper,y - radius],[upper,y + radius]] ); + else drawPath(ctx, [[x - radius,upper],[x + radius,upper]] ); + } else if ($.isFunction(err.upperCap)){ + if (err.err=='x') err.upperCap(ctx, upper, y, radius); + else err.upperCap(ctx, x, upper, radius); + } + } + // lower cap + if (drawLower) { + if (err.lowerCap == '-'){ + if (err.err=='x') drawPath(ctx, [[lower,y - radius],[lower,y + radius]] ); + else drawPath(ctx, [[x - radius,lower],[x + radius,lower]] ); + } else if ($.isFunction(err.lowerCap)){ + if (err.err=='x') err.lowerCap(ctx, lower, y, radius); + else err.lowerCap(ctx, x, lower, radius); + } + } + } + + function drawPath(ctx, pts){ + ctx.beginPath(); + ctx.moveTo(pts[0][0], pts[0][1]); + for (var p=1; p < pts.length; p++) + ctx.lineTo(pts[p][0], pts[p][1]); + ctx.stroke(); + } + + function draw(plot, ctx){ + var plotOffset = plot.getPlotOffset(); + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + $.each(plot.getData(), function (i, s) { + if (s.points.errorbars && (s.points.xerr.show || s.points.yerr.show)) + drawSeriesErrors(plot, ctx, s); + }); + ctx.restore(); + } + + function init(plot) { + plot.hooks.processRawData.push(processRawData); + plot.hooks.draw.push(draw); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'errorbars', + version: '1.0' + }); +})(jQuery); diff --git a/js/flot_plugin/jquery.flot.fillbetween.js b/js/flot_plugin/jquery.flot.fillbetween.js new file mode 100644 index 0000000..18b15d2 --- /dev/null +++ b/js/flot_plugin/jquery.flot.fillbetween.js @@ -0,0 +1,226 @@ +/* Flot plugin for computing bottoms for filled line and bar charts. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +The case: you've got two series that you want to fill the area between. In Flot +terms, you need to use one as the fill bottom of the other. You can specify the +bottom of each data point as the third coordinate manually, or you can use this +plugin to compute it for you. + +In order to name the other series, you need to give it an id, like this: + + var dataset = [ + { data: [ ... ], id: "foo" } , // use default bottom + { data: [ ... ], fillBetween: "foo" }, // use first dataset as bottom + ]; + + $.plot($("#placeholder"), dataset, { lines: { show: true, fill: true }}); + +As a convenience, if the id given is a number that doesn't appear as an id in +the series, it is interpreted as the index in the array instead (so fillBetween: +0 can also mean the first series). + +Internally, the plugin modifies the datapoints in each series. For line series, +extra data points might be inserted through interpolation. Note that at points +where the bottom line is not defined (due to a null point or start/end of line), +the current line will show a gap too. The algorithm comes from the +jquery.flot.stack.js plugin, possibly some code could be shared. + +*/ + +(function ( $ ) { + + var options = { + series: { + fillBetween: null // or number + } + }; + + function init( plot ) { + + function findBottomSeries( s, allseries ) { + + var i; + + for ( i = 0; i < allseries.length; ++i ) { + if ( allseries[ i ].id === s.fillBetween ) { + return allseries[ i ]; + } + } + + if ( typeof s.fillBetween === "number" ) { + if ( s.fillBetween < 0 || s.fillBetween >= allseries.length ) { + return null; + } + return allseries[ s.fillBetween ]; + } + + return null; + } + + function computeFillBottoms( plot, s, datapoints ) { + + if ( s.fillBetween == null ) { + return; + } + + var other = findBottomSeries( s, plot.getData() ); + + if ( !other ) { + return; + } + + var ps = datapoints.pointsize, + points = datapoints.points, + otherps = other.datapoints.pointsize, + otherpoints = other.datapoints.points, + newpoints = [], + px, py, intery, qx, qy, bottom, + withlines = s.lines.show, + withbottom = ps > 2 && datapoints.format[2].y, + withsteps = withlines && s.lines.steps, + fromgap = true, + i = 0, + j = 0, + l, m; + + while ( true ) { + + if ( i >= points.length ) { + break; + } + + l = newpoints.length; + + if ( points[ i ] == null ) { + + // copy gaps + + for ( m = 0; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + + i += ps; + + } else if ( j >= otherpoints.length ) { + + // for lines, we can't use the rest of the points + + if ( !withlines ) { + for ( m = 0; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + } + + i += ps; + + } else if ( otherpoints[ j ] == null ) { + + // oops, got a gap + + for ( m = 0; m < ps; ++m ) { + newpoints.push( null ); + } + + fromgap = true; + j += otherps; + + } else { + + // cases where we actually got two points + + px = points[ i ]; + py = points[ i + 1 ]; + qx = otherpoints[ j ]; + qy = otherpoints[ j + 1 ]; + bottom = 0; + + if ( px === qx ) { + + for ( m = 0; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + + //newpoints[ l + 1 ] += qy; + bottom = qy; + + i += ps; + j += otherps; + + } else if ( px > qx ) { + + // we got past point below, might need to + // insert interpolated extra point + + if ( withlines && i > 0 && points[ i - ps ] != null ) { + intery = py + ( points[ i - ps + 1 ] - py ) * ( qx - px ) / ( points[ i - ps ] - px ); + newpoints.push( qx ); + newpoints.push( intery ); + for ( m = 2; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + bottom = qy; + } + + j += otherps; + + } else { // px < qx + + // if we come from a gap, we just skip this point + + if ( fromgap && withlines ) { + i += ps; + continue; + } + + for ( m = 0; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + + // we might be able to interpolate a point below, + // this can give us a better y + + if ( withlines && j > 0 && otherpoints[ j - otherps ] != null ) { + bottom = qy + ( otherpoints[ j - otherps + 1 ] - qy ) * ( px - qx ) / ( otherpoints[ j - otherps ] - qx ); + } + + //newpoints[l + 1] += bottom; + + i += ps; + } + + fromgap = false; + + if ( l !== newpoints.length && withbottom ) { + newpoints[ l + 2 ] = bottom; + } + } + + // maintain the line steps invariant + + if ( withsteps && l !== newpoints.length && l > 0 && + newpoints[ l ] !== null && + newpoints[ l ] !== newpoints[ l - ps ] && + newpoints[ l + 1 ] !== newpoints[ l - ps + 1 ] ) { + for (m = 0; m < ps; ++m) { + newpoints[ l + ps + m ] = newpoints[ l + m ]; + } + newpoints[ l + 1 ] = newpoints[ l - ps + 1 ]; + } + } + + datapoints.points = newpoints; + } + + plot.hooks.processDatapoints.push( computeFillBottoms ); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: "fillbetween", + version: "1.0" + }); + +})(jQuery); diff --git a/js/flot_plugin/jquery.flot.image.js b/js/flot_plugin/jquery.flot.image.js new file mode 100644 index 0000000..625a035 --- /dev/null +++ b/js/flot_plugin/jquery.flot.image.js @@ -0,0 +1,241 @@ +/* Flot plugin for plotting images. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +The data syntax is [ [ image, x1, y1, x2, y2 ], ... ] where (x1, y1) and +(x2, y2) are where you intend the two opposite corners of the image to end up +in the plot. Image must be a fully loaded Javascript image (you can make one +with new Image()). If the image is not complete, it's skipped when plotting. + +There are two helpers included for retrieving images. The easiest work the way +that you put in URLs instead of images in the data, like this: + + [ "myimage.png", 0, 0, 10, 10 ] + +Then call $.plot.image.loadData( data, options, callback ) where data and +options are the same as you pass in to $.plot. This loads the images, replaces +the URLs in the data with the corresponding images and calls "callback" when +all images are loaded (or failed loading). In the callback, you can then call +$.plot with the data set. See the included example. + +A more low-level helper, $.plot.image.load(urls, callback) is also included. +Given a list of URLs, it calls callback with an object mapping from URL to +Image object when all images are loaded or have failed loading. + +The plugin supports these options: + + series: { + images: { + show: boolean + anchor: "corner" or "center" + alpha: [ 0, 1 ] + } + } + +They can be specified for a specific series: + + $.plot( $("#placeholder"), [{ + data: [ ... ], + images: { ... } + ]) + +Note that because the data format is different from usual data points, you +can't use images with anything else in a specific data series. + +Setting "anchor" to "center" causes the pixels in the image to be anchored at +the corner pixel centers inside of at the pixel corners, effectively letting +half a pixel stick out to each side in the plot. + +A possible future direction could be support for tiling for large images (like +Google Maps). + +*/ + +(function ($) { + var options = { + series: { + images: { + show: false, + alpha: 1, + anchor: "corner" // or "center" + } + } + }; + + $.plot.image = {}; + + $.plot.image.loadDataImages = function (series, options, callback) { + var urls = [], points = []; + + var defaultShow = options.series.images.show; + + $.each(series, function (i, s) { + if (!(defaultShow || s.images.show)) + return; + + if (s.data) + s = s.data; + + $.each(s, function (i, p) { + if (typeof p[0] == "string") { + urls.push(p[0]); + points.push(p); + } + }); + }); + + $.plot.image.load(urls, function (loadedImages) { + $.each(points, function (i, p) { + var url = p[0]; + if (loadedImages[url]) + p[0] = loadedImages[url]; + }); + + callback(); + }); + } + + $.plot.image.load = function (urls, callback) { + var missing = urls.length, loaded = {}; + if (missing == 0) + callback({}); + + $.each(urls, function (i, url) { + var handler = function () { + --missing; + + loaded[url] = this; + + if (missing == 0) + callback(loaded); + }; + + $('').load(handler).error(handler).attr('src', url); + }); + }; + + function drawSeries(plot, ctx, series) { + var plotOffset = plot.getPlotOffset(); + + if (!series.images || !series.images.show) + return; + + var points = series.datapoints.points, + ps = series.datapoints.pointsize; + + for (var i = 0; i < points.length; i += ps) { + var img = points[i], + x1 = points[i + 1], y1 = points[i + 2], + x2 = points[i + 3], y2 = points[i + 4], + xaxis = series.xaxis, yaxis = series.yaxis, + tmp; + + // actually we should check img.complete, but it + // appears to be a somewhat unreliable indicator in + // IE6 (false even after load event) + if (!img || img.width <= 0 || img.height <= 0) + continue; + + if (x1 > x2) { + tmp = x2; + x2 = x1; + x1 = tmp; + } + if (y1 > y2) { + tmp = y2; + y2 = y1; + y1 = tmp; + } + + // if the anchor is at the center of the pixel, expand the + // image by 1/2 pixel in each direction + if (series.images.anchor == "center") { + tmp = 0.5 * (x2-x1) / (img.width - 1); + x1 -= tmp; + x2 += tmp; + tmp = 0.5 * (y2-y1) / (img.height - 1); + y1 -= tmp; + y2 += tmp; + } + + // clip + if (x1 == x2 || y1 == y2 || + x1 >= xaxis.max || x2 <= xaxis.min || + y1 >= yaxis.max || y2 <= yaxis.min) + continue; + + var sx1 = 0, sy1 = 0, sx2 = img.width, sy2 = img.height; + if (x1 < xaxis.min) { + sx1 += (sx2 - sx1) * (xaxis.min - x1) / (x2 - x1); + x1 = xaxis.min; + } + + if (x2 > xaxis.max) { + sx2 += (sx2 - sx1) * (xaxis.max - x2) / (x2 - x1); + x2 = xaxis.max; + } + + if (y1 < yaxis.min) { + sy2 += (sy1 - sy2) * (yaxis.min - y1) / (y2 - y1); + y1 = yaxis.min; + } + + if (y2 > yaxis.max) { + sy1 += (sy1 - sy2) * (yaxis.max - y2) / (y2 - y1); + y2 = yaxis.max; + } + + x1 = xaxis.p2c(x1); + x2 = xaxis.p2c(x2); + y1 = yaxis.p2c(y1); + y2 = yaxis.p2c(y2); + + // the transformation may have swapped us + if (x1 > x2) { + tmp = x2; + x2 = x1; + x1 = tmp; + } + if (y1 > y2) { + tmp = y2; + y2 = y1; + y1 = tmp; + } + + tmp = ctx.globalAlpha; + ctx.globalAlpha *= series.images.alpha; + ctx.drawImage(img, + sx1, sy1, sx2 - sx1, sy2 - sy1, + x1 + plotOffset.left, y1 + plotOffset.top, + x2 - x1, y2 - y1); + ctx.globalAlpha = tmp; + } + } + + function processRawData(plot, series, data, datapoints) { + if (!series.images.show) + return; + + // format is Image, x1, y1, x2, y2 (opposite corners) + datapoints.format = [ + { required: true }, + { x: true, number: true, required: true }, + { y: true, number: true, required: true }, + { x: true, number: true, required: true }, + { y: true, number: true, required: true } + ]; + } + + function init(plot) { + plot.hooks.processRawData.push(processRawData); + plot.hooks.drawSeries.push(drawSeries); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'image', + version: '1.1' + }); +})(jQuery); diff --git a/js/flot_plugin/jquery.flot.navigate.js b/js/flot_plugin/jquery.flot.navigate.js new file mode 100644 index 0000000..13fb7f1 --- /dev/null +++ b/js/flot_plugin/jquery.flot.navigate.js @@ -0,0 +1,346 @@ +/* Flot plugin for adding the ability to pan and zoom the plot. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +The default behaviour is double click and scrollwheel up/down to zoom in, drag +to pan. The plugin defines plot.zoom({ center }), plot.zoomOut() and +plot.pan( offset ) so you easily can add custom controls. It also fires +"plotpan" and "plotzoom" events, useful for synchronizing plots. + +The plugin supports these options: + + zoom: { + interactive: false + trigger: "dblclick" // or "click" for single click + amount: 1.5 // 2 = 200% (zoom in), 0.5 = 50% (zoom out) + } + + pan: { + interactive: false + cursor: "move" // CSS mouse cursor value used when dragging, e.g. "pointer" + frameRate: 20 + } + + xaxis, yaxis, x2axis, y2axis: { + zoomRange: null // or [ number, number ] (min range, max range) or false + panRange: null // or [ number, number ] (min, max) or false + } + +"interactive" enables the built-in drag/click behaviour. If you enable +interactive for pan, then you'll have a basic plot that supports moving +around; the same for zoom. + +"amount" specifies the default amount to zoom in (so 1.5 = 150%) relative to +the current viewport. + +"cursor" is a standard CSS mouse cursor string used for visual feedback to the +user when dragging. + +"frameRate" specifies the maximum number of times per second the plot will +update itself while the user is panning around on it (set to null to disable +intermediate pans, the plot will then not update until the mouse button is +released). + +"zoomRange" is the interval in which zooming can happen, e.g. with zoomRange: +[1, 100] the zoom will never scale the axis so that the difference between min +and max is smaller than 1 or larger than 100. You can set either end to null +to ignore, e.g. [1, null]. If you set zoomRange to false, zooming on that axis +will be disabled. + +"panRange" confines the panning to stay within a range, e.g. with panRange: +[-10, 20] panning stops at -10 in one end and at 20 in the other. Either can +be null, e.g. [-10, null]. If you set panRange to false, panning on that axis +will be disabled. + +Example API usage: + + plot = $.plot(...); + + // zoom default amount in on the pixel ( 10, 20 ) + plot.zoom({ center: { left: 10, top: 20 } }); + + // zoom out again + plot.zoomOut({ center: { left: 10, top: 20 } }); + + // zoom 200% in on the pixel (10, 20) + plot.zoom({ amount: 2, center: { left: 10, top: 20 } }); + + // pan 100 pixels to the left and 20 down + plot.pan({ left: -100, top: 20 }) + +Here, "center" specifies where the center of the zooming should happen. Note +that this is defined in pixel space, not the space of the data points (you can +use the p2c helpers on the axes in Flot to help you convert between these). + +"amount" is the amount to zoom the viewport relative to the current range, so +1 is 100% (i.e. no change), 1.5 is 150% (zoom in), 0.7 is 70% (zoom out). You +can set the default in the options. + +*/ + +// First two dependencies, jquery.event.drag.js and +// jquery.mousewheel.js, we put them inline here to save people the +// effort of downloading them. + +/* +jquery.event.drag.js ~ v1.5 ~ Copyright (c) 2008, Three Dub Media (http://threedubmedia.com) +Licensed under the MIT License ~ http://threedubmedia.googlecode.com/files/MIT-LICENSE.txt +*/ +(function(a){function e(h){var k,j=this,l=h.data||{};if(l.elem)j=h.dragTarget=l.elem,h.dragProxy=d.proxy||j,h.cursorOffsetX=l.pageX-l.left,h.cursorOffsetY=l.pageY-l.top,h.offsetX=h.pageX-h.cursorOffsetX,h.offsetY=h.pageY-h.cursorOffsetY;else if(d.dragging||l.which>0&&h.which!=l.which||a(h.target).is(l.not))return;switch(h.type){case"mousedown":return a.extend(l,a(j).offset(),{elem:j,target:h.target,pageX:h.pageX,pageY:h.pageY}),b.add(document,"mousemove mouseup",e,l),i(j,!1),d.dragging=null,!1;case!d.dragging&&"mousemove":if(g(h.pageX-l.pageX)+g(h.pageY-l.pageY) max) { + // make sure min < max + var tmp = min; + min = max; + max = tmp; + } + + //Check that we are in panRange + if (pr) { + if (pr[0] != null && min < pr[0]) { + min = pr[0]; + } + if (pr[1] != null && max > pr[1]) { + max = pr[1]; + } + } + + var range = max - min; + if (zr && + ((zr[0] != null && range < zr[0] && amount >1) || + (zr[1] != null && range > zr[1] && amount <1))) + return; + + opts.min = min; + opts.max = max; + }); + + plot.setupGrid(); + plot.draw(); + + if (!args.preventEvent) + plot.getPlaceholder().trigger("plotzoom", [ plot, args ]); + }; + + plot.pan = function (args) { + var delta = { + x: +args.left, + y: +args.top + }; + + if (isNaN(delta.x)) + delta.x = 0; + if (isNaN(delta.y)) + delta.y = 0; + + $.each(plot.getAxes(), function (_, axis) { + var opts = axis.options, + min, max, d = delta[axis.direction]; + + min = axis.c2p(axis.p2c(axis.min) + d), + max = axis.c2p(axis.p2c(axis.max) + d); + + var pr = opts.panRange; + if (pr === false) // no panning on this axis + return; + + if (pr) { + // check whether we hit the wall + if (pr[0] != null && pr[0] > min) { + d = pr[0] - min; + min += d; + max += d; + } + + if (pr[1] != null && pr[1] < max) { + d = pr[1] - max; + min += d; + max += d; + } + } + + opts.min = min; + opts.max = max; + }); + + plot.setupGrid(); + plot.draw(); + + if (!args.preventEvent) + plot.getPlaceholder().trigger("plotpan", [ plot, args ]); + }; + + function shutdown(plot, eventHolder) { + eventHolder.unbind(plot.getOptions().zoom.trigger, onZoomClick); + eventHolder.unbind("mousewheel", onMouseWheel); + eventHolder.unbind("dragstart", onDragStart); + eventHolder.unbind("drag", onDrag); + eventHolder.unbind("dragend", onDragEnd); + if (panTimeout) + clearTimeout(panTimeout); + } + + plot.hooks.bindEvents.push(bindEvents); + plot.hooks.shutdown.push(shutdown); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'navigate', + version: '1.3' + }); +})(jQuery); diff --git a/js/flot_plugin/jquery.flot.pie.js b/js/flot_plugin/jquery.flot.pie.js new file mode 100644 index 0000000..9c19db9 --- /dev/null +++ b/js/flot_plugin/jquery.flot.pie.js @@ -0,0 +1,820 @@ +/* Flot plugin for rendering pie charts. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +The plugin assumes that each series has a single data value, and that each +value is a positive integer or zero. Negative numbers don't make sense for a +pie chart, and have unpredictable results. The values do NOT need to be +passed in as percentages; the plugin will calculate the total and per-slice +percentages internally. + +* Created by Brian Medendorp + +* Updated with contributions from btburnett3, Anthony Aragues and Xavi Ivars + +The plugin supports these options: + + series: { + pie: { + show: true/false + radius: 0-1 for percentage of fullsize, or a specified pixel length, or 'auto' + innerRadius: 0-1 for percentage of fullsize or a specified pixel length, for creating a donut effect + startAngle: 0-2 factor of PI used for starting angle (in radians) i.e 3/2 starts at the top, 0 and 2 have the same result + tilt: 0-1 for percentage to tilt the pie, where 1 is no tilt, and 0 is completely flat (nothing will show) + offset: { + top: integer value to move the pie up or down + left: integer value to move the pie left or right, or 'auto' + }, + stroke: { + color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#FFF') + width: integer pixel width of the stroke + }, + label: { + show: true/false, or 'auto' + formatter: a user-defined function that modifies the text/style of the label text + radius: 0-1 for percentage of fullsize, or a specified pixel length + background: { + color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#000') + opacity: 0-1 + }, + threshold: 0-1 for the percentage value at which to hide labels (if they're too small) + }, + combine: { + threshold: 0-1 for the percentage value at which to combine slices (if they're too small) + color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#CCC'), if null, the plugin will automatically use the color of the first slice to be combined + label: any text value of what the combined slice should be labeled + } + highlight: { + opacity: 0-1 + } + } + } + +More detail and specific examples can be found in the included HTML file. + +*/ + +(function($) { + + // Maximum redraw attempts when fitting labels within the plot + + var REDRAW_ATTEMPTS = 10; + + // Factor by which to shrink the pie when fitting labels within the plot + + var REDRAW_SHRINK = 0.95; + + function init(plot) { + + var canvas = null, + target = null, + options = null, + maxRadius = null, + centerLeft = null, + centerTop = null, + processed = false, + ctx = null; + + // interactive variables + + var highlights = []; + + // add hook to determine if pie plugin in enabled, and then perform necessary operations + + plot.hooks.processOptions.push(function(plot, options) { + if (options.series.pie.show) { + + options.grid.show = false; + + // set labels.show + + if (options.series.pie.label.show == "auto") { + if (options.legend.show) { + options.series.pie.label.show = false; + } else { + options.series.pie.label.show = true; + } + } + + // set radius + + if (options.series.pie.radius == "auto") { + if (options.series.pie.label.show) { + options.series.pie.radius = 3/4; + } else { + options.series.pie.radius = 1; + } + } + + // ensure sane tilt + + if (options.series.pie.tilt > 1) { + options.series.pie.tilt = 1; + } else if (options.series.pie.tilt < 0) { + options.series.pie.tilt = 0; + } + } + }); + + plot.hooks.bindEvents.push(function(plot, eventHolder) { + var options = plot.getOptions(); + if (options.series.pie.show) { + if (options.grid.hoverable) { + eventHolder.unbind("mousemove").mousemove(onMouseMove); + } + if (options.grid.clickable) { + eventHolder.unbind("click").click(onClick); + } + } + }); + + plot.hooks.processDatapoints.push(function(plot, series, data, datapoints) { + var options = plot.getOptions(); + if (options.series.pie.show) { + processDatapoints(plot, series, data, datapoints); + } + }); + + plot.hooks.drawOverlay.push(function(plot, octx) { + var options = plot.getOptions(); + if (options.series.pie.show) { + drawOverlay(plot, octx); + } + }); + + plot.hooks.draw.push(function(plot, newCtx) { + var options = plot.getOptions(); + if (options.series.pie.show) { + draw(plot, newCtx); + } + }); + + function processDatapoints(plot, series, datapoints) { + if (!processed) { + processed = true; + canvas = plot.getCanvas(); + target = $(canvas).parent(); + options = plot.getOptions(); + plot.setData(combine(plot.getData())); + } + } + + function combine(data) { + + var total = 0, + combined = 0, + numCombined = 0, + color = options.series.pie.combine.color, + newdata = []; + + // Fix up the raw data from Flot, ensuring the data is numeric + + for (var i = 0; i < data.length; ++i) { + + var value = data[i].data; + + // If the data is an array, we'll assume that it's a standard + // Flot x-y pair, and are concerned only with the second value. + + // Note how we use the original array, rather than creating a + // new one; this is more efficient and preserves any extra data + // that the user may have stored in higher indexes. + + if ($.isArray(value) && value.length == 1) { + value = value[0]; + } + + if ($.isArray(value)) { + // Equivalent to $.isNumeric() but compatible with jQuery < 1.7 + if (!isNaN(parseFloat(value[1])) && isFinite(value[1])) { + value[1] = +value[1]; + } else { + value[1] = 0; + } + } else if (!isNaN(parseFloat(value)) && isFinite(value)) { + value = [1, +value]; + } else { + value = [1, 0]; + } + + data[i].data = [value]; + } + + // Sum up all the slices, so we can calculate percentages for each + + for (var i = 0; i < data.length; ++i) { + total += data[i].data[0][1]; + } + + // Count the number of slices with percentages below the combine + // threshold; if it turns out to be just one, we won't combine. + + for (var i = 0; i < data.length; ++i) { + var value = data[i].data[0][1]; + if (value / total <= options.series.pie.combine.threshold) { + combined += value; + numCombined++; + if (!color) { + color = data[i].color; + } + } + } + + for (var i = 0; i < data.length; ++i) { + var value = data[i].data[0][1]; + if (numCombined < 2 || value / total > options.series.pie.combine.threshold) { + newdata.push( + $.extend(data[i], { /* extend to allow keeping all other original data values + and using them e.g. in labelFormatter. */ + data: [[1, value]], + color: data[i].color, + label: data[i].label, + angle: value * Math.PI * 2 / total, + percent: value / (total / 100) + }) + ); + } + } + + if (numCombined > 1) { + newdata.push({ + data: [[1, combined]], + color: color, + label: options.series.pie.combine.label, + angle: combined * Math.PI * 2 / total, + percent: combined / (total / 100) + }); + } + + return newdata; + } + + function draw(plot, newCtx) { + + if (!target) { + return; // if no series were passed + } + + var canvasWidth = plot.getPlaceholder().width(), + canvasHeight = plot.getPlaceholder().height(), + legendWidth = target.children().filter(".legend").children().width() || 0; + + ctx = newCtx; + + // WARNING: HACK! REWRITE THIS CODE AS SOON AS POSSIBLE! + + // When combining smaller slices into an 'other' slice, we need to + // add a new series. Since Flot gives plugins no way to modify the + // list of series, the pie plugin uses a hack where the first call + // to processDatapoints results in a call to setData with the new + // list of series, then subsequent processDatapoints do nothing. + + // The plugin-global 'processed' flag is used to control this hack; + // it starts out false, and is set to true after the first call to + // processDatapoints. + + // Unfortunately this turns future setData calls into no-ops; they + // call processDatapoints, the flag is true, and nothing happens. + + // To fix this we'll set the flag back to false here in draw, when + // all series have been processed, so the next sequence of calls to + // processDatapoints once again starts out with a slice-combine. + // This is really a hack; in 0.9 we need to give plugins a proper + // way to modify series before any processing begins. + + processed = false; + + // calculate maximum radius and center point + + maxRadius = Math.min(canvasWidth, canvasHeight / options.series.pie.tilt) / 2; + centerTop = canvasHeight / 2 + options.series.pie.offset.top; + centerLeft = canvasWidth / 2; + + if (options.series.pie.offset.left == "auto") { + if (options.legend.position.match("w")) { + centerLeft += legendWidth / 2; + } else { + centerLeft -= legendWidth / 2; + } + if (centerLeft < maxRadius) { + centerLeft = maxRadius; + } else if (centerLeft > canvasWidth - maxRadius) { + centerLeft = canvasWidth - maxRadius; + } + } else { + centerLeft += options.series.pie.offset.left; + } + + var slices = plot.getData(), + attempts = 0; + + // Keep shrinking the pie's radius until drawPie returns true, + // indicating that all the labels fit, or we try too many times. + + do { + if (attempts > 0) { + maxRadius *= REDRAW_SHRINK; + } + attempts += 1; + clear(); + if (options.series.pie.tilt <= 0.8) { + drawShadow(); + } + } while (!drawPie() && attempts < REDRAW_ATTEMPTS) + + if (attempts >= REDRAW_ATTEMPTS) { + clear(); + target.prepend("
Could not draw pie with labels contained inside canvas
"); + } + + if (plot.setSeries && plot.insertLegend) { + plot.setSeries(slices); + plot.insertLegend(); + } + + // we're actually done at this point, just defining internal functions at this point + + function clear() { + ctx.clearRect(0, 0, canvasWidth, canvasHeight); + target.children().filter(".pieLabel, .pieLabelBackground").remove(); + } + + function drawShadow() { + + var shadowLeft = options.series.pie.shadow.left; + var shadowTop = options.series.pie.shadow.top; + var edge = 10; + var alpha = options.series.pie.shadow.alpha; + var radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius; + + if (radius >= canvasWidth / 2 - shadowLeft || radius * options.series.pie.tilt >= canvasHeight / 2 - shadowTop || radius <= edge) { + return; // shadow would be outside canvas, so don't draw it + } + + ctx.save(); + ctx.translate(shadowLeft,shadowTop); + ctx.globalAlpha = alpha; + ctx.fillStyle = "#000"; + + // center and rotate to starting position + + ctx.translate(centerLeft,centerTop); + ctx.scale(1, options.series.pie.tilt); + + //radius -= edge; + + for (var i = 1; i <= edge; i++) { + ctx.beginPath(); + ctx.arc(0, 0, radius, 0, Math.PI * 2, false); + ctx.fill(); + radius -= i; + } + + ctx.restore(); + } + + function drawPie() { + + var startAngle = Math.PI * options.series.pie.startAngle; + var radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius; + + // center and rotate to starting position + + ctx.save(); + ctx.translate(centerLeft,centerTop); + ctx.scale(1, options.series.pie.tilt); + //ctx.rotate(startAngle); // start at top; -- This doesn't work properly in Opera + + // draw slices + + ctx.save(); + var currentAngle = startAngle; + for (var i = 0; i < slices.length; ++i) { + slices[i].startAngle = currentAngle; + drawSlice(slices[i].angle, slices[i].color, true); + } + ctx.restore(); + + // draw slice outlines + + if (options.series.pie.stroke.width > 0) { + ctx.save(); + ctx.lineWidth = options.series.pie.stroke.width; + currentAngle = startAngle; + for (var i = 0; i < slices.length; ++i) { + drawSlice(slices[i].angle, options.series.pie.stroke.color, false); + } + ctx.restore(); + } + + // draw donut hole + + drawDonutHole(ctx); + + ctx.restore(); + + // Draw the labels, returning true if they fit within the plot + + if (options.series.pie.label.show) { + return drawLabels(); + } else return true; + + function drawSlice(angle, color, fill) { + + if (angle <= 0 || isNaN(angle)) { + return; + } + + if (fill) { + ctx.fillStyle = color; + } else { + ctx.strokeStyle = color; + ctx.lineJoin = "round"; + } + + ctx.beginPath(); + if (Math.abs(angle - Math.PI * 2) > 0.000000001) { + ctx.moveTo(0, 0); // Center of the pie + } + + //ctx.arc(0, 0, radius, 0, angle, false); // This doesn't work properly in Opera + ctx.arc(0, 0, radius,currentAngle, currentAngle + angle / 2, false); + ctx.arc(0, 0, radius,currentAngle + angle / 2, currentAngle + angle, false); + ctx.closePath(); + //ctx.rotate(angle); // This doesn't work properly in Opera + currentAngle += angle; + + if (fill) { + ctx.fill(); + } else { + ctx.stroke(); + } + } + + function drawLabels() { + + var currentAngle = startAngle; + var radius = options.series.pie.label.radius > 1 ? options.series.pie.label.radius : maxRadius * options.series.pie.label.radius; + + for (var i = 0; i < slices.length; ++i) { + if (slices[i].percent >= options.series.pie.label.threshold * 100) { + if (!drawLabel(slices[i], currentAngle, i)) { + return false; + } + } + currentAngle += slices[i].angle; + } + + return true; + + function drawLabel(slice, startAngle, index) { + + if (slice.data[0][1] == 0) { + return true; + } + + // format label text + + var lf = options.legend.labelFormatter, text, plf = options.series.pie.label.formatter; + + if (lf) { + text = lf(slice.label, slice); + } else { + text = slice.label; + } + + if (plf) { + text = plf(text, slice); + } + + var halfAngle = ((startAngle + slice.angle) + startAngle) / 2; + var x = centerLeft + Math.round(Math.cos(halfAngle) * radius); + var y = centerTop + Math.round(Math.sin(halfAngle) * radius) * options.series.pie.tilt; + + var html = "" + text + ""; + target.append(html); + + var label = target.children("#pieLabel" + index); + var labelTop = (y - label.height() / 2); + var labelLeft = (x - label.width() / 2); + + label.css("top", labelTop); + label.css("left", labelLeft); + + // check to make sure that the label is not outside the canvas + + if (0 - labelTop > 0 || 0 - labelLeft > 0 || canvasHeight - (labelTop + label.height()) < 0 || canvasWidth - (labelLeft + label.width()) < 0) { + return false; + } + + if (options.series.pie.label.background.opacity != 0) { + + // put in the transparent background separately to avoid blended labels and label boxes + + var c = options.series.pie.label.background.color; + + if (c == null) { + c = slice.color; + } + + var pos = "top:" + labelTop + "px;left:" + labelLeft + "px;"; + $("
") + .css("opacity", options.series.pie.label.background.opacity) + .insertBefore(label); + } + + return true; + } // end individual label function + } // end drawLabels function + } // end drawPie function + } // end draw function + + // Placed here because it needs to be accessed from multiple locations + + function drawDonutHole(layer) { + if (options.series.pie.innerRadius > 0) { + + // subtract the center + + layer.save(); + var innerRadius = options.series.pie.innerRadius > 1 ? options.series.pie.innerRadius : maxRadius * options.series.pie.innerRadius; + layer.globalCompositeOperation = "destination-out"; // this does not work with excanvas, but it will fall back to using the stroke color + layer.beginPath(); + layer.fillStyle = options.series.pie.stroke.color; + layer.arc(0, 0, innerRadius, 0, Math.PI * 2, false); + layer.fill(); + layer.closePath(); + layer.restore(); + + // add inner stroke + + layer.save(); + layer.beginPath(); + layer.strokeStyle = options.series.pie.stroke.color; + layer.arc(0, 0, innerRadius, 0, Math.PI * 2, false); + layer.stroke(); + layer.closePath(); + layer.restore(); + + // TODO: add extra shadow inside hole (with a mask) if the pie is tilted. + } + } + + //-- Additional Interactive related functions -- + + function isPointInPoly(poly, pt) { + for(var c = false, i = -1, l = poly.length, j = l - 1; ++i < l; j = i) + ((poly[i][1] <= pt[1] && pt[1] < poly[j][1]) || (poly[j][1] <= pt[1] && pt[1]< poly[i][1])) + && (pt[0] < (poly[j][0] - poly[i][0]) * (pt[1] - poly[i][1]) / (poly[j][1] - poly[i][1]) + poly[i][0]) + && (c = !c); + return c; + } + + function findNearbySlice(mouseX, mouseY) { + + var slices = plot.getData(), + options = plot.getOptions(), + radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius, + x, y; + + for (var i = 0; i < slices.length; ++i) { + + var s = slices[i]; + + if (s.pie.show) { + + ctx.save(); + ctx.beginPath(); + ctx.moveTo(0, 0); // Center of the pie + //ctx.scale(1, options.series.pie.tilt); // this actually seems to break everything when here. + ctx.arc(0, 0, radius, s.startAngle, s.startAngle + s.angle / 2, false); + ctx.arc(0, 0, radius, s.startAngle + s.angle / 2, s.startAngle + s.angle, false); + ctx.closePath(); + x = mouseX - centerLeft; + y = mouseY - centerTop; + + if (ctx.isPointInPath) { + if (ctx.isPointInPath(mouseX - centerLeft, mouseY - centerTop)) { + ctx.restore(); + return { + datapoint: [s.percent, s.data], + dataIndex: 0, + series: s, + seriesIndex: i + }; + } + } else { + + // excanvas for IE doesn;t support isPointInPath, this is a workaround. + + var p1X = radius * Math.cos(s.startAngle), + p1Y = radius * Math.sin(s.startAngle), + p2X = radius * Math.cos(s.startAngle + s.angle / 4), + p2Y = radius * Math.sin(s.startAngle + s.angle / 4), + p3X = radius * Math.cos(s.startAngle + s.angle / 2), + p3Y = radius * Math.sin(s.startAngle + s.angle / 2), + p4X = radius * Math.cos(s.startAngle + s.angle / 1.5), + p4Y = radius * Math.sin(s.startAngle + s.angle / 1.5), + p5X = radius * Math.cos(s.startAngle + s.angle), + p5Y = radius * Math.sin(s.startAngle + s.angle), + arrPoly = [[0, 0], [p1X, p1Y], [p2X, p2Y], [p3X, p3Y], [p4X, p4Y], [p5X, p5Y]], + arrPoint = [x, y]; + + // TODO: perhaps do some mathmatical trickery here with the Y-coordinate to compensate for pie tilt? + + if (isPointInPoly(arrPoly, arrPoint)) { + ctx.restore(); + return { + datapoint: [s.percent, s.data], + dataIndex: 0, + series: s, + seriesIndex: i + }; + } + } + + ctx.restore(); + } + } + + return null; + } + + function onMouseMove(e) { + triggerClickHoverEvent("plothover", e); + } + + function onClick(e) { + triggerClickHoverEvent("plotclick", e); + } + + // trigger click or hover event (they send the same parameters so we share their code) + + function triggerClickHoverEvent(eventname, e) { + + var offset = plot.offset(); + var canvasX = parseInt(e.pageX - offset.left); + var canvasY = parseInt(e.pageY - offset.top); + var item = findNearbySlice(canvasX, canvasY); + + if (options.grid.autoHighlight) { + + // clear auto-highlights + + for (var i = 0; i < highlights.length; ++i) { + var h = highlights[i]; + if (h.auto == eventname && !(item && h.series == item.series)) { + unhighlight(h.series); + } + } + } + + // highlight the slice + + if (item) { + highlight(item.series, eventname); + } + + // trigger any hover bind events + + var pos = { pageX: e.pageX, pageY: e.pageY }; + target.trigger(eventname, [pos, item]); + } + + function highlight(s, auto) { + //if (typeof s == "number") { + // s = series[s]; + //} + + var i = indexOfHighlight(s); + + if (i == -1) { + highlights.push({ series: s, auto: auto }); + plot.triggerRedrawOverlay(); + } else if (!auto) { + highlights[i].auto = false; + } + } + + function unhighlight(s) { + if (s == null) { + highlights = []; + plot.triggerRedrawOverlay(); + } + + //if (typeof s == "number") { + // s = series[s]; + //} + + var i = indexOfHighlight(s); + + if (i != -1) { + highlights.splice(i, 1); + plot.triggerRedrawOverlay(); + } + } + + function indexOfHighlight(s) { + for (var i = 0; i < highlights.length; ++i) { + var h = highlights[i]; + if (h.series == s) + return i; + } + return -1; + } + + function drawOverlay(plot, octx) { + + var options = plot.getOptions(); + + var radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius; + + octx.save(); + octx.translate(centerLeft, centerTop); + octx.scale(1, options.series.pie.tilt); + + for (var i = 0; i < highlights.length; ++i) { + drawHighlight(highlights[i].series); + } + + drawDonutHole(octx); + + octx.restore(); + + function drawHighlight(series) { + + if (series.angle <= 0 || isNaN(series.angle)) { + return; + } + + //octx.fillStyle = parseColor(options.series.pie.highlight.color).scale(null, null, null, options.series.pie.highlight.opacity).toString(); + octx.fillStyle = "rgba(255, 255, 255, " + options.series.pie.highlight.opacity + ")"; // this is temporary until we have access to parseColor + octx.beginPath(); + if (Math.abs(series.angle - Math.PI * 2) > 0.000000001) { + octx.moveTo(0, 0); // Center of the pie + } + octx.arc(0, 0, radius, series.startAngle, series.startAngle + series.angle / 2, false); + octx.arc(0, 0, radius, series.startAngle + series.angle / 2, series.startAngle + series.angle, false); + octx.closePath(); + octx.fill(); + } + } + } // end init (plugin body) + + // define pie specific options and their default values + + var options = { + series: { + pie: { + show: false, + radius: "auto", // actual radius of the visible pie (based on full calculated radius if <=1, or hard pixel value) + innerRadius: 0, /* for donut */ + startAngle: 3/2, + tilt: 1, + shadow: { + left: 5, // shadow left offset + top: 15, // shadow top offset + alpha: 0.02 // shadow alpha + }, + offset: { + top: 0, + left: "auto" + }, + stroke: { + color: "#fff", + width: 1 + }, + label: { + show: "auto", + formatter: function(label, slice) { + return "
" + label + "
" + Math.round(slice.percent) + "%
"; + }, // formatter function + radius: 1, // radius at which to place the labels (based on full calculated radius if <=1, or hard pixel value) + background: { + color: null, + opacity: 0 + }, + threshold: 0 // percentage at which to hide the label (i.e. the slice is too narrow) + }, + combine: { + threshold: -1, // percentage at which to combine little slices into one larger slice + color: null, // color to give the new slice (auto-generated if null) + label: "Other" // label to give the new slice + }, + highlight: { + //color: "#fff", // will add this functionality once parseColor is available + opacity: 0.5 + } + } + } + }; + + $.plot.plugins.push({ + init: init, + options: options, + name: "pie", + version: "1.1" + }); + +})(jQuery); diff --git a/js/flot_plugin/jquery.flot.resize.js b/js/flot_plugin/jquery.flot.resize.js new file mode 100644 index 0000000..8a626dd --- /dev/null +++ b/js/flot_plugin/jquery.flot.resize.js @@ -0,0 +1,59 @@ +/* Flot plugin for automatically redrawing plots as the placeholder resizes. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +It works by listening for changes on the placeholder div (through the jQuery +resize event plugin) - if the size changes, it will redraw the plot. + +There are no options. If you need to disable the plugin for some plots, you +can just fix the size of their placeholders. + +*/ + +/* Inline dependency: + * jQuery resize event - v1.1 - 3/14/2010 + * http://benalman.com/projects/jquery-resize-plugin/ + * + * Copyright (c) 2010 "Cowboy" Ben Alman + * Dual licensed under the MIT and GPL licenses. + * http://benalman.com/about/license/ + */ +(function($,e,t){"$:nomunge";var i=[],n=$.resize=$.extend($.resize,{}),a,r=false,s="setTimeout",u="resize",m=u+"-special-event",o="pendingDelay",l="activeDelay",f="throttleWindow";n[o]=200;n[l]=20;n[f]=true;$.event.special[u]={setup:function(){if(!n[f]&&this[s]){return false}var e=$(this);i.push(this);e.data(m,{w:e.width(),h:e.height()});if(i.length===1){a=t;h()}},teardown:function(){if(!n[f]&&this[s]){return false}var e=$(this);for(var t=i.length-1;t>=0;t--){if(i[t]==this){i.splice(t,1);break}}e.removeData(m);if(!i.length){if(r){cancelAnimationFrame(a)}else{clearTimeout(a)}a=null}},add:function(e){if(!n[f]&&this[s]){return false}var i;function a(e,n,a){var r=$(this),s=r.data(m)||{};s.w=n!==t?n:r.width();s.h=a!==t?a:r.height();i.apply(this,arguments)}if($.isFunction(e)){i=e;return a}else{i=e.handler;e.handler=a}}};function h(t){if(r===true){r=t||1}for(var s=i.length-1;s>=0;s--){var l=$(i[s]);if(l[0]==e||l.is(":visible")){var f=l.width(),c=l.height(),d=l.data(m);if(d&&(f!==d.w||c!==d.h)){l.trigger(u,[d.w=f,d.h=c]);r=t||true}}else{d=l.data(m);d.w=0;d.h=0}}if(a!==null){if(r&&(t==null||t-r<1e3)){a=e.requestAnimationFrame(h)}else{a=setTimeout(h,n[o]);r=false}}}if(!e.requestAnimationFrame){e.requestAnimationFrame=function(){return e.webkitRequestAnimationFrame||e.mozRequestAnimationFrame||e.oRequestAnimationFrame||e.msRequestAnimationFrame||function(t,i){return e.setTimeout(function(){t((new Date).getTime())},n[l])}}()}if(!e.cancelAnimationFrame){e.cancelAnimationFrame=function(){return e.webkitCancelRequestAnimationFrame||e.mozCancelRequestAnimationFrame||e.oCancelRequestAnimationFrame||e.msCancelRequestAnimationFrame||clearTimeout}()}})(jQuery,this); + +(function ($) { + var options = { }; // no options + + function init(plot) { + function onResize() { + var placeholder = plot.getPlaceholder(); + + // somebody might have hidden us and we can't plot + // when we don't have the dimensions + if (placeholder.width() == 0 || placeholder.height() == 0) + return; + + plot.resize(); + plot.setupGrid(); + plot.draw(); + } + + function bindEvents(plot, eventHolder) { + plot.getPlaceholder().resize(onResize); + } + + function shutdown(plot, eventHolder) { + plot.getPlaceholder().unbind("resize", onResize); + } + + plot.hooks.bindEvents.push(bindEvents); + plot.hooks.shutdown.push(shutdown); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'resize', + version: '1.0' + }); +})(jQuery); diff --git a/js/flot_plugin/jquery.flot.selection.js b/js/flot_plugin/jquery.flot.selection.js new file mode 100644 index 0000000..d3c20fa --- /dev/null +++ b/js/flot_plugin/jquery.flot.selection.js @@ -0,0 +1,360 @@ +/* Flot plugin for selecting regions of a plot. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +The plugin supports these options: + +selection: { + mode: null or "x" or "y" or "xy", + color: color, + shape: "round" or "miter" or "bevel", + minSize: number of pixels +} + +Selection support is enabled by setting the mode to one of "x", "y" or "xy". +In "x" mode, the user will only be able to specify the x range, similarly for +"y" mode. For "xy", the selection becomes a rectangle where both ranges can be +specified. "color" is color of the selection (if you need to change the color +later on, you can get to it with plot.getOptions().selection.color). "shape" +is the shape of the corners of the selection. + +"minSize" is the minimum size a selection can be in pixels. This value can +be customized to determine the smallest size a selection can be and still +have the selection rectangle be displayed. When customizing this value, the +fact that it refers to pixels, not axis units must be taken into account. +Thus, for example, if there is a bar graph in time mode with BarWidth set to 1 +minute, setting "minSize" to 1 will not make the minimum selection size 1 +minute, but rather 1 pixel. Note also that setting "minSize" to 0 will prevent +"plotunselected" events from being fired when the user clicks the mouse without +dragging. + +When selection support is enabled, a "plotselected" event will be emitted on +the DOM element you passed into the plot function. The event handler gets a +parameter with the ranges selected on the axes, like this: + + placeholder.bind( "plotselected", function( event, ranges ) { + alert("You selected " + ranges.xaxis.from + " to " + ranges.xaxis.to) + // similar for yaxis - with multiple axes, the extra ones are in + // x2axis, x3axis, ... + }); + +The "plotselected" event is only fired when the user has finished making the +selection. A "plotselecting" event is fired during the process with the same +parameters as the "plotselected" event, in case you want to know what's +happening while it's happening, + +A "plotunselected" event with no arguments is emitted when the user clicks the +mouse to remove the selection. As stated above, setting "minSize" to 0 will +destroy this behavior. + +The plugin allso adds the following methods to the plot object: + +- setSelection( ranges, preventEvent ) + + Set the selection rectangle. The passed in ranges is on the same form as + returned in the "plotselected" event. If the selection mode is "x", you + should put in either an xaxis range, if the mode is "y" you need to put in + an yaxis range and both xaxis and yaxis if the selection mode is "xy", like + this: + + setSelection({ xaxis: { from: 0, to: 10 }, yaxis: { from: 40, to: 60 } }); + + setSelection will trigger the "plotselected" event when called. If you don't + want that to happen, e.g. if you're inside a "plotselected" handler, pass + true as the second parameter. If you are using multiple axes, you can + specify the ranges on any of those, e.g. as x2axis/x3axis/... instead of + xaxis, the plugin picks the first one it sees. + +- clearSelection( preventEvent ) + + Clear the selection rectangle. Pass in true to avoid getting a + "plotunselected" event. + +- getSelection() + + Returns the current selection in the same format as the "plotselected" + event. If there's currently no selection, the function returns null. + +*/ + +(function ($) { + function init(plot) { + var selection = { + first: { x: -1, y: -1}, second: { x: -1, y: -1}, + show: false, + active: false + }; + + // FIXME: The drag handling implemented here should be + // abstracted out, there's some similar code from a library in + // the navigation plugin, this should be massaged a bit to fit + // the Flot cases here better and reused. Doing this would + // make this plugin much slimmer. + var savedhandlers = {}; + + var mouseUpHandler = null; + + function onMouseMove(e) { + if (selection.active) { + updateSelection(e); + + plot.getPlaceholder().trigger("plotselecting", [ getSelection() ]); + } + } + + 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 && savedhandlers.onselectstart == null) { + savedhandlers.onselectstart = document.onselectstart; + document.onselectstart = function () { return false; }; + } + if (document.ondrag !== undefined && savedhandlers.ondrag == null) { + savedhandlers.ondrag = document.ondrag; + document.ondrag = function () { return false; }; + } + + setSelectionPos(selection.first, e); + + selection.active = true; + + // this is a bit silly, but we have to use a closure to be + // able to whack the same handler again + mouseUpHandler = function (e) { onMouseUp(e); }; + + $(document).one("mouseup", mouseUpHandler); + } + + function onMouseUp(e) { + mouseUpHandler = null; + + // revert drag stuff for old-school browsers + if (document.onselectstart !== undefined) + document.onselectstart = savedhandlers.onselectstart; + if (document.ondrag !== undefined) + document.ondrag = savedhandlers.ondrag; + + // no more dragging + selection.active = false; + updateSelection(e); + + if (selectionIsSane()) + triggerSelectedEvent(); + else { + // this counts as a clear + plot.getPlaceholder().trigger("plotunselected", [ ]); + plot.getPlaceholder().trigger("plotselecting", [ null ]); + } + + return false; + } + + function getSelection() { + if (!selectionIsSane()) + return null; + + if (!selection.show) return null; + + var r = {}, c1 = selection.first, c2 = selection.second; + $.each(plot.getAxes(), function (name, axis) { + if (axis.used) { + var p1 = axis.c2p(c1[axis.direction]), p2 = axis.c2p(c2[axis.direction]); + r[name] = { from: Math.min(p1, p2), to: Math.max(p1, p2) }; + } + }); + return r; + } + + function triggerSelectedEvent() { + var r = getSelection(); + + plot.getPlaceholder().trigger("plotselected", [ r ]); + + // backwards-compat stuff, to be removed in future + if (r.xaxis && r.yaxis) + plot.getPlaceholder().trigger("selected", [ { x1: r.xaxis.from, y1: r.yaxis.from, x2: r.xaxis.to, y2: r.yaxis.to } ]); + } + + function clamp(min, value, max) { + return value < min ? min: (value > max ? max: value); + } + + function setSelectionPos(pos, e) { + var o = plot.getOptions(); + var offset = plot.getPlaceholder().offset(); + var plotOffset = plot.getPlotOffset(); + pos.x = clamp(0, e.pageX - offset.left - plotOffset.left, plot.width()); + pos.y = clamp(0, e.pageY - offset.top - plotOffset.top, plot.height()); + + if (o.selection.mode == "y") + pos.x = pos == selection.first ? 0 : plot.width(); + + if (o.selection.mode == "x") + pos.y = pos == selection.first ? 0 : plot.height(); + } + + function updateSelection(pos) { + if (pos.pageX == null) + return; + + setSelectionPos(selection.second, pos); + if (selectionIsSane()) { + selection.show = true; + plot.triggerRedrawOverlay(); + } + else + clearSelection(true); + } + + function clearSelection(preventEvent) { + if (selection.show) { + selection.show = false; + plot.triggerRedrawOverlay(); + if (!preventEvent) + plot.getPlaceholder().trigger("plotunselected", [ ]); + } + } + + // function taken from markings support in Flot + function extractRange(ranges, coord) { + var axis, from, to, key, axes = plot.getAxes(); + + for (var k in axes) { + axis = axes[k]; + if (axis.direction == coord) { + key = coord + axis.n + "axis"; + if (!ranges[key] && axis.n == 1) + key = coord + "axis"; // support x1axis as xaxis + if (ranges[key]) { + from = ranges[key].from; + to = ranges[key].to; + break; + } + } + } + + // backwards-compat stuff - to be removed in future + if (!ranges[key]) { + axis = coord == "x" ? plot.getXAxes()[0] : plot.getYAxes()[0]; + from = ranges[coord + "1"]; + to = ranges[coord + "2"]; + } + + // auto-reverse as an added bonus + if (from != null && to != null && from > to) { + var tmp = from; + from = to; + to = tmp; + } + + return { from: from, to: to, axis: axis }; + } + + function setSelection(ranges, preventEvent) { + var axis, range, o = plot.getOptions(); + + if (o.selection.mode == "y") { + selection.first.x = 0; + selection.second.x = plot.width(); + } + else { + range = extractRange(ranges, "x"); + + selection.first.x = range.axis.p2c(range.from); + selection.second.x = range.axis.p2c(range.to); + } + + if (o.selection.mode == "x") { + selection.first.y = 0; + selection.second.y = plot.height(); + } + else { + range = extractRange(ranges, "y"); + + selection.first.y = range.axis.p2c(range.from); + selection.second.y = range.axis.p2c(range.to); + } + + selection.show = true; + plot.triggerRedrawOverlay(); + if (!preventEvent && selectionIsSane()) + triggerSelectedEvent(); + } + + function selectionIsSane() { + var minSize = plot.getOptions().selection.minSize; + return Math.abs(selection.second.x - selection.first.x) >= minSize && + Math.abs(selection.second.y - selection.first.y) >= minSize; + } + + plot.clearSelection = clearSelection; + plot.setSelection = setSelection; + plot.getSelection = getSelection; + + plot.hooks.bindEvents.push(function(plot, eventHolder) { + var o = plot.getOptions(); + if (o.selection.mode != null) { + eventHolder.mousemove(onMouseMove); + eventHolder.mousedown(onMouseDown); + } + }); + + + plot.hooks.drawOverlay.push(function (plot, ctx) { + // draw selection + if (selection.show && selectionIsSane()) { + var plotOffset = plot.getPlotOffset(); + var o = plot.getOptions(); + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + var c = $.color.parse(o.selection.color); + + ctx.strokeStyle = c.scale('a', 0.8).toString(); + ctx.lineWidth = 1; + ctx.lineJoin = o.selection.shape; + ctx.fillStyle = c.scale('a', 0.4).toString(); + + var x = Math.min(selection.first.x, selection.second.x) + 0.5, + y = Math.min(selection.first.y, selection.second.y) + 0.5, + w = Math.abs(selection.second.x - selection.first.x) - 1, + h = Math.abs(selection.second.y - selection.first.y) - 1; + + ctx.fillRect(x, y, w, h); + ctx.strokeRect(x, y, w, h); + + ctx.restore(); + } + }); + + plot.hooks.shutdown.push(function (plot, eventHolder) { + eventHolder.unbind("mousemove", onMouseMove); + eventHolder.unbind("mousedown", onMouseDown); + + if (mouseUpHandler) + $(document).unbind("mouseup", mouseUpHandler); + }); + + } + + $.plot.plugins.push({ + init: init, + options: { + selection: { + mode: null, // one of null, "x", "y" or "xy" + color: "#e8cfac", + shape: "round", // one of "round", "miter", or "bevel" + minSize: 5 // minimum number of pixels + } + }, + name: 'selection', + version: '1.1' + }); +})(jQuery); diff --git a/js/flot_plugin/jquery.flot.stack.js b/js/flot_plugin/jquery.flot.stack.js new file mode 100644 index 0000000..e75a7df --- /dev/null +++ b/js/flot_plugin/jquery.flot.stack.js @@ -0,0 +1,188 @@ +/* Flot plugin for stacking data sets rather than overlyaing them. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +The plugin assumes the data is sorted on x (or y if stacking horizontally). +For line charts, it is assumed that if a line has an undefined gap (from a +null point), then the line above it should have the same gap - insert zeros +instead of "null" if you want another behaviour. This also holds for the start +and end of the chart. Note that stacking a mix of positive and negative values +in most instances doesn't make sense (so it looks weird). + +Two or more series are stacked when their "stack" attribute is set to the same +key (which can be any number or string or just "true"). To specify the default +stack, you can set the stack option like this: + + series: { + stack: null/false, true, or a key (number/string) + } + +You can also specify it for a single series, like this: + + $.plot( $("#placeholder"), [{ + data: [ ... ], + stack: true + }]) + +The stacking order is determined by the order of the data series in the array +(later series end up on top of the previous). + +Internally, the plugin modifies the datapoints in each series, adding an +offset to the y value. For line series, extra data points are inserted through +interpolation. If there's a second y value, it's also adjusted (e.g for bar +charts or filled areas). + +*/ + +(function ($) { + var options = { + series: { stack: null } // or number/string + }; + + function init(plot) { + function findMatchingSeries(s, allseries) { + var res = null; + for (var i = 0; i < allseries.length; ++i) { + if (s == allseries[i]) + break; + + if (allseries[i].stack == s.stack) + res = allseries[i]; + } + + return res; + } + + function stackData(plot, s, datapoints) { + if (s.stack == null || s.stack === false) + return; + + var other = findMatchingSeries(s, plot.getData()); + if (!other) + return; + + var ps = datapoints.pointsize, + points = datapoints.points, + otherps = other.datapoints.pointsize, + otherpoints = other.datapoints.points, + newpoints = [], + px, py, intery, qx, qy, bottom, + withlines = s.lines.show, + horizontal = s.bars.horizontal, + withbottom = ps > 2 && (horizontal ? datapoints.format[2].x : datapoints.format[2].y), + withsteps = withlines && s.lines.steps, + fromgap = true, + keyOffset = horizontal ? 1 : 0, + accumulateOffset = horizontal ? 0 : 1, + i = 0, j = 0, l, m; + + while (true) { + if (i >= points.length) + break; + + l = newpoints.length; + + if (points[i] == null) { + // copy gaps + for (m = 0; m < ps; ++m) + newpoints.push(points[i + m]); + i += ps; + } + else if (j >= otherpoints.length) { + // for lines, we can't use the rest of the points + if (!withlines) { + for (m = 0; m < ps; ++m) + newpoints.push(points[i + m]); + } + i += ps; + } + else if (otherpoints[j] == null) { + // oops, got a gap + for (m = 0; m < ps; ++m) + newpoints.push(null); + fromgap = true; + j += otherps; + } + else { + // cases where we actually got two points + px = points[i + keyOffset]; + py = points[i + accumulateOffset]; + qx = otherpoints[j + keyOffset]; + qy = otherpoints[j + accumulateOffset]; + bottom = 0; + + if (px == qx) { + for (m = 0; m < ps; ++m) + newpoints.push(points[i + m]); + + newpoints[l + accumulateOffset] += qy; + bottom = qy; + + i += ps; + j += otherps; + } + else if (px > qx) { + // we got past point below, might need to + // insert interpolated extra point + if (withlines && i > 0 && points[i - ps] != null) { + intery = py + (points[i - ps + accumulateOffset] - py) * (qx - px) / (points[i - ps + keyOffset] - px); + newpoints.push(qx); + newpoints.push(intery + qy); + for (m = 2; m < ps; ++m) + newpoints.push(points[i + m]); + bottom = qy; + } + + j += otherps; + } + else { // px < qx + if (fromgap && withlines) { + // if we come from a gap, we just skip this point + i += ps; + continue; + } + + for (m = 0; m < ps; ++m) + newpoints.push(points[i + m]); + + // we might be able to interpolate a point below, + // this can give us a better y + if (withlines && j > 0 && otherpoints[j - otherps] != null) + bottom = qy + (otherpoints[j - otherps + accumulateOffset] - qy) * (px - qx) / (otherpoints[j - otherps + keyOffset] - qx); + + newpoints[l + accumulateOffset] += bottom; + + i += ps; + } + + fromgap = false; + + if (l != newpoints.length && withbottom) + newpoints[l + 2] += bottom; + } + + // maintain the line steps invariant + if (withsteps && l != newpoints.length && l > 0 + && newpoints[l] != null + && newpoints[l] != newpoints[l - ps] + && newpoints[l + 1] != newpoints[l - ps + 1]) { + for (m = 0; m < ps; ++m) + newpoints[l + ps + m] = newpoints[l + m]; + newpoints[l + 1] = newpoints[l - ps + 1]; + } + } + + datapoints.points = newpoints; + } + + plot.hooks.processDatapoints.push(stackData); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'stack', + version: '1.2' + }); +})(jQuery); diff --git a/js/flot_plugin/jquery.flot.symbol.js b/js/flot_plugin/jquery.flot.symbol.js new file mode 100644 index 0000000..79f6349 --- /dev/null +++ b/js/flot_plugin/jquery.flot.symbol.js @@ -0,0 +1,71 @@ +/* Flot plugin that adds some extra symbols for plotting points. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +The symbols are accessed as strings through the standard symbol options: + + series: { + points: { + symbol: "square" // or "diamond", "triangle", "cross" + } + } + +*/ + +(function ($) { + function processRawData(plot, series, datapoints) { + // we normalize the area of each symbol so it is approximately the + // same as a circle of the given radius + + var handlers = { + square: function (ctx, x, y, radius, shadow) { + // pi * r^2 = (2s)^2 => s = r * sqrt(pi)/2 + var size = radius * Math.sqrt(Math.PI) / 2; + ctx.rect(x - size, y - size, size + size, size + size); + }, + diamond: function (ctx, x, y, radius, shadow) { + // pi * r^2 = 2s^2 => s = r * sqrt(pi/2) + var size = radius * Math.sqrt(Math.PI / 2); + ctx.moveTo(x - size, y); + ctx.lineTo(x, y - size); + ctx.lineTo(x + size, y); + ctx.lineTo(x, y + size); + ctx.lineTo(x - size, y); + }, + triangle: function (ctx, x, y, radius, shadow) { + // pi * r^2 = 1/2 * s^2 * sin (pi / 3) => s = r * sqrt(2 * pi / sin(pi / 3)) + var size = radius * Math.sqrt(2 * Math.PI / Math.sin(Math.PI / 3)); + var height = size * Math.sin(Math.PI / 3); + ctx.moveTo(x - size/2, y + height/2); + ctx.lineTo(x + size/2, y + height/2); + if (!shadow) { + ctx.lineTo(x, y - height/2); + ctx.lineTo(x - size/2, y + height/2); + } + }, + cross: function (ctx, x, y, radius, shadow) { + // pi * r^2 = (2s)^2 => s = r * sqrt(pi)/2 + var size = radius * Math.sqrt(Math.PI) / 2; + ctx.moveTo(x - size, y - size); + ctx.lineTo(x + size, y + size); + ctx.moveTo(x - size, y + size); + ctx.lineTo(x + size, y - size); + } + }; + + var s = series.points.symbol; + if (handlers[s]) + series.points.symbol = handlers[s]; + } + + function init(plot) { + plot.hooks.processDatapoints.push(processRawData); + } + + $.plot.plugins.push({ + init: init, + name: 'symbols', + version: '1.0' + }); +})(jQuery); diff --git a/js/flot_plugin/jquery.flot.threshold.js b/js/flot_plugin/jquery.flot.threshold.js new file mode 100644 index 0000000..8c99c40 --- /dev/null +++ b/js/flot_plugin/jquery.flot.threshold.js @@ -0,0 +1,142 @@ +/* Flot plugin for thresholding data. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +The plugin supports these options: + + series: { + threshold: { + below: number + color: colorspec + } + } + +It can also be applied to a single series, like this: + + $.plot( $("#placeholder"), [{ + data: [ ... ], + threshold: { ... } + }]) + +An array can be passed for multiple thresholding, like this: + + threshold: [{ + below: number1 + color: color1 + },{ + below: number2 + color: color2 + }] + +These multiple threshold objects can be passed in any order since they are +sorted by the processing function. + +The data points below "below" are drawn with the specified color. This makes +it easy to mark points below 0, e.g. for budget data. + +Internally, the plugin works by splitting the data into two series, above and +below the threshold. The extra series below the threshold will have its label +cleared and the special "originSeries" attribute set to the original series. +You may need to check for this in hover events. + +*/ + +(function ($) { + var options = { + series: { threshold: null } // or { below: number, color: color spec} + }; + + function init(plot) { + function thresholdData(plot, s, datapoints, below, color) { + var ps = datapoints.pointsize, i, x, y, p, prevp, + thresholded = $.extend({}, s); // note: shallow copy + + thresholded.datapoints = { points: [], pointsize: ps, format: datapoints.format }; + thresholded.label = null; + thresholded.color = color; + thresholded.threshold = null; + thresholded.originSeries = s; + thresholded.data = []; + + var origpoints = datapoints.points, + addCrossingPoints = s.lines.show; + + var threspoints = []; + var newpoints = []; + var m; + + for (i = 0; i < origpoints.length; i += ps) { + x = origpoints[i]; + y = origpoints[i + 1]; + + prevp = p; + if (y < below) + p = threspoints; + else + p = newpoints; + + if (addCrossingPoints && prevp != p && x != null + && i > 0 && origpoints[i - ps] != null) { + var interx = x + (below - y) * (x - origpoints[i - ps]) / (y - origpoints[i - ps + 1]); + prevp.push(interx); + prevp.push(below); + for (m = 2; m < ps; ++m) + prevp.push(origpoints[i + m]); + + p.push(null); // start new segment + p.push(null); + for (m = 2; m < ps; ++m) + p.push(origpoints[i + m]); + p.push(interx); + p.push(below); + for (m = 2; m < ps; ++m) + p.push(origpoints[i + m]); + } + + p.push(x); + p.push(y); + for (m = 2; m < ps; ++m) + p.push(origpoints[i + m]); + } + + datapoints.points = newpoints; + thresholded.datapoints.points = threspoints; + + if (thresholded.datapoints.points.length > 0) { + var origIndex = $.inArray(s, plot.getData()); + // Insert newly-generated series right after original one (to prevent it from becoming top-most) + plot.getData().splice(origIndex + 1, 0, thresholded); + } + + // FIXME: there are probably some edge cases left in bars + } + + function processThresholds(plot, s, datapoints) { + if (!s.threshold) + return; + + if (s.threshold instanceof Array) { + s.threshold.sort(function(a, b) { + return a.below - b.below; + }); + + $(s.threshold).each(function(i, th) { + thresholdData(plot, s, datapoints, th.below, th.color); + }); + } + else { + thresholdData(plot, s, datapoints, s.threshold.below, s.threshold.color); + } + } + + plot.hooks.processDatapoints.push(processThresholds); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'threshold', + version: '1.2' + }); +})(jQuery); diff --git a/js/flot_plugin/jquery.flot.time.js b/js/flot_plugin/jquery.flot.time.js new file mode 100644 index 0000000..34c1d12 --- /dev/null +++ b/js/flot_plugin/jquery.flot.time.js @@ -0,0 +1,432 @@ +/* Pretty handling of time axes. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +Set axis.mode to "time" to enable. See the section "Time series data" in +API.txt for details. + +*/ + +(function($) { + + var options = { + xaxis: { + timezone: null, // "browser" for local to the client or timezone for timezone-js + timeformat: null, // format string to use + twelveHourClock: false, // 12 or 24 time in time mode + monthNames: null // list of names of months + } + }; + + // round to nearby lower multiple of base + + function floorInBase(n, base) { + return base * Math.floor(n / base); + } + + // Returns a string with the date d formatted according to fmt. + // A subset of the Open Group's strftime format is supported. + + function formatDate(d, fmt, monthNames, dayNames) { + + if (typeof d.strftime == "function") { + return d.strftime(fmt); + } + + var leftPad = function(n, pad) { + n = "" + n; + pad = "" + (pad == null ? "0" : pad); + return n.length == 1 ? pad + n : n; + }; + + var r = []; + var escape = false; + var hours = d.getHours(); + var isAM = hours < 12; + + if (monthNames == null) { + monthNames = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; + } + + if (dayNames == null) { + dayNames = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"]; + } + + var hours12; + + if (hours > 12) { + hours12 = hours - 12; + } else if (hours == 0) { + hours12 = 12; + } else { + hours12 = hours; + } + + for (var i = 0; i < fmt.length; ++i) { + + var c = fmt.charAt(i); + + if (escape) { + switch (c) { + case 'a': c = "" + dayNames[d.getDay()]; break; + case 'b': c = "" + monthNames[d.getMonth()]; break; + case 'd': c = leftPad(d.getDate()); break; + case 'e': c = leftPad(d.getDate(), " "); break; + case 'h': // For back-compat with 0.7; remove in 1.0 + case 'H': c = leftPad(hours); break; + case 'I': c = leftPad(hours12); break; + case 'l': c = leftPad(hours12, " "); break; + case 'm': c = leftPad(d.getMonth() + 1); break; + case 'M': c = leftPad(d.getMinutes()); break; + // quarters not in Open Group's strftime specification + case 'q': + c = "" + (Math.floor(d.getMonth() / 3) + 1); break; + case 'S': c = leftPad(d.getSeconds()); break; + case 'y': c = leftPad(d.getFullYear() % 100); break; + case 'Y': c = "" + d.getFullYear(); break; + case 'p': c = (isAM) ? ("" + "am") : ("" + "pm"); break; + case 'P': c = (isAM) ? ("" + "AM") : ("" + "PM"); break; + case 'w': c = "" + d.getDay(); break; + } + r.push(c); + escape = false; + } else { + if (c == "%") { + escape = true; + } else { + r.push(c); + } + } + } + + return r.join(""); + } + + // To have a consistent view of time-based data independent of which time + // zone the client happens to be in we need a date-like object independent + // of time zones. This is done through a wrapper that only calls the UTC + // versions of the accessor methods. + + function makeUtcWrapper(d) { + + function addProxyMethod(sourceObj, sourceMethod, targetObj, targetMethod) { + sourceObj[sourceMethod] = function() { + return targetObj[targetMethod].apply(targetObj, arguments); + }; + }; + + var utc = { + date: d + }; + + // support strftime, if found + + if (d.strftime != undefined) { + addProxyMethod(utc, "strftime", d, "strftime"); + } + + addProxyMethod(utc, "getTime", d, "getTime"); + addProxyMethod(utc, "setTime", d, "setTime"); + + var props = ["Date", "Day", "FullYear", "Hours", "Milliseconds", "Minutes", "Month", "Seconds"]; + + for (var p = 0; p < props.length; p++) { + addProxyMethod(utc, "get" + props[p], d, "getUTC" + props[p]); + addProxyMethod(utc, "set" + props[p], d, "setUTC" + props[p]); + } + + return utc; + }; + + // select time zone strategy. This returns a date-like object tied to the + // desired timezone + + function dateGenerator(ts, opts) { + if (opts.timezone == "browser") { + return new Date(ts); + } else if (!opts.timezone || opts.timezone == "utc") { + return makeUtcWrapper(new Date(ts)); + } else if (typeof timezoneJS != "undefined" && typeof timezoneJS.Date != "undefined") { + var d = new timezoneJS.Date(); + // timezone-js is fickle, so be sure to set the time zone before + // setting the time. + d.setTimezone(opts.timezone); + d.setTime(ts); + return d; + } else { + return makeUtcWrapper(new Date(ts)); + } + } + + // 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, + "quarter": 3 * 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 baseSpec = [ + [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"] + ]; + + // we don't know which variant(s) we'll need yet, but generating both is + // cheap + + var specMonths = baseSpec.concat([[3, "month"], [6, "month"], + [1, "year"]]); + var specQuarters = baseSpec.concat([[1, "quarter"], [2, "quarter"], + [1, "year"]]); + + function init(plot) { + plot.hooks.processOptions.push(function (plot, options) { + $.each(plot.getAxes(), function(axisName, axis) { + + var opts = axis.options; + + if (opts.mode == "time") { + axis.tickGenerator = function(axis) { + + var ticks = []; + var d = dateGenerator(axis.min, opts); + var minSize = 0; + + // make quarter use a possibility if quarters are + // mentioned in either of these options + + var spec = (opts.tickSize && opts.tickSize[1] === + "quarter") || + (opts.minTickSize && opts.minTickSize[1] === + "quarter") ? specQuarters : specMonths; + + if (opts.minTickSize != null) { + if (typeof opts.tickSize == "number") { + minSize = opts.tickSize; + } else { + minSize = opts.minTickSize[0] * timeUnitSize[opts.minTickSize[1]]; + } + } + + for (var i = 0; i < spec.length - 1; ++i) { + if (axis.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; + } + } + + var size = spec[i][0]; + var unit = spec[i][1]; + + // special-case the possibility of several years + + if (unit == "year") { + + // if given a minTickSize in years, just use it, + // ensuring that it's an integer + + if (opts.minTickSize != null && opts.minTickSize[1] == "year") { + size = Math.floor(opts.minTickSize[0]); + } else { + + var magn = Math.pow(10, Math.floor(Math.log(axis.delta / timeUnitSize.year) / Math.LN10)); + var norm = (axis.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; + } + + // minimum size for years is 1 + + if (size < 1) { + size = 1; + } + } + + axis.tickSize = opts.tickSize || [size, unit]; + var tickSize = axis.tickSize[0]; + unit = axis.tickSize[1]; + + var step = tickSize * timeUnitSize[unit]; + + if (unit == "second") { + d.setSeconds(floorInBase(d.getSeconds(), tickSize)); + } else if (unit == "minute") { + d.setMinutes(floorInBase(d.getMinutes(), tickSize)); + } else if (unit == "hour") { + d.setHours(floorInBase(d.getHours(), tickSize)); + } else if (unit == "month") { + d.setMonth(floorInBase(d.getMonth(), tickSize)); + } else if (unit == "quarter") { + d.setMonth(3 * floorInBase(d.getMonth() / 3, + tickSize)); + } else 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.month * 2) { + d.setMonth(floorInBase(d.getMonth(), 3)); + } + if (step >= timeUnitSize.quarter * 2) { + d.setMonth(floorInBase(d.getMonth(), 6)); + } + if (step >= timeUnitSize.year) { + d.setMonth(0); + } + + var carry = 0; + var v = Number.NaN; + var prev; + + do { + + prev = v; + v = d.getTime(); + ticks.push(v); + + if (unit == "month" || unit == "quarter") { + if (tickSize < 1) { + + // a bit complicated - we'll divide the + // month/quarter 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() + + (unit == "quarter" ? 3 : 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 * (unit == "quarter" ? 3 : 1)); + } + } else if (unit == "year") { + d.setFullYear(d.getFullYear() + tickSize); + } else { + d.setTime(v + step); + } + } while (v < axis.max && v != prev); + + return ticks; + }; + + axis.tickFormatter = function (v, axis) { + + var d = dateGenerator(v, axis.options); + + // first check global format + + if (opts.timeformat != null) { + return formatDate(d, opts.timeformat, opts.monthNames, opts.dayNames); + } + + // possibly use quarters if quarters are mentioned in + // any of these places + + var useQuarters = (axis.options.tickSize && + axis.options.tickSize[1] == "quarter") || + (axis.options.minTickSize && + axis.options.minTickSize[1] == "quarter"); + + var t = axis.tickSize[0] * timeUnitSize[axis.tickSize[1]]; + var span = axis.max - axis.min; + var suffix = (opts.twelveHourClock) ? " %p" : ""; + var hourCode = (opts.twelveHourClock) ? "%I" : "%H"; + var fmt; + + if (t < timeUnitSize.minute) { + fmt = hourCode + ":%M:%S" + suffix; + } else if (t < timeUnitSize.day) { + if (span < 2 * timeUnitSize.day) { + fmt = hourCode + ":%M" + suffix; + } else { + fmt = "%b %d " + hourCode + ":%M" + suffix; + } + } else if (t < timeUnitSize.month) { + fmt = "%b %d"; + } else if ((useQuarters && t < timeUnitSize.quarter) || + (!useQuarters && t < timeUnitSize.year)) { + if (span < timeUnitSize.year) { + fmt = "%b"; + } else { + fmt = "%b %Y"; + } + } else if (useQuarters && t < timeUnitSize.year) { + if (span < timeUnitSize.year) { + fmt = "Q%q"; + } else { + fmt = "Q%q %Y"; + } + } else { + fmt = "%Y"; + } + + var rt = formatDate(d, fmt, opts.monthNames, opts.dayNames); + + return rt; + }; + } + }); + }); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'time', + version: '1.0' + }); + + // Time-axis support used to be in Flot core, which exposed the + // formatDate function on the plot object. Various plugins depend + // on the function, so we need to re-expose it here. + + $.plot.formatDate = formatDate; + $.plot.dateGenerator = dateGenerator; + +})(jQuery);