diff options
| author | Neil Williams <neil.williams@linaro.org> | 2014-06-29 19:27:16 +0100 |
|---|---|---|
| committer | Linaro Code Review <review@review.linaro.org> | 2014-07-02 17:45:07 +0000 |
| commit | 387bb5fac659a6cff3d07640573c6f77ad25021c (patch) | |
| tree | 9430ab37f3d32f04cd9e2e0442c98a262848c286 /lava_scheduler_app/static | |
| parent | 4b8beabeb456dbddd45a4da2d9593b9a64ae2254 (diff) | |
Javascript license support
Address comments from ftp-master on the javascript sources:
Fix the licence version for the sshfs mount script for inclusion
into Debian.
Move the javascript sources to be alongside the minified js
files for direct verification.
Rename shCore.js to show that it is the minified version.
Change-Id: I8a831da620a022e1d817da82a64c7e738871655d
Diffstat (limited to 'lava_scheduler_app/static')
4 files changed, 5097 insertions, 2 deletions
diff --git a/lava_scheduler_app/static/lava_scheduler_app/js/jquery.details.js b/lava_scheduler_app/static/lava_scheduler_app/js/jquery.details.js new file mode 100644 index 000000000..479eac3b8 --- /dev/null +++ b/lava_scheduler_app/static/lava_scheduler_app/js/jquery.details.js @@ -0,0 +1,83 @@ +/*! http://mths.be/details v0.0.1 by @mathias */ +(function (a, $) { + var c = $.fn, + b, d = (function (i) { + var g = i.createElement("details"), + f, e, h; + if (!("open" in g)) { + return false + } + e = i.body || (function () { + var j = i.documentElement; + f = true; + return j.insertBefore(i.createElement("body"), j.firstElementChild || j.firstChild) + }()); + g.innerHTML = "<summary>a</summary>b"; + g.style.display = "block"; + e.appendChild(g); + h = g.offsetHeight; + g.open = true; + h = h != g.offsetHeight; + e.removeChild(g); + if (f) { + e.parentNode.removeChild(e) + } + return h + }(a)); + /*! http://mths.be/noselect v1.0.2 by @mathias */ + c.noSelect = function () { + var e = "none"; + return this.bind("selectstart dragstart mousedown", function () { + return false + }).css({ + MozUserSelect: e, + WebkitUserSelect: e, + userSelect: e + }) + }; + if (d) { + b = c.details = function () { + return this + }; + b.support = d + } else { + b = c.details = function () { + return this.each(function () { + var e = $(this), + h = $("summary", e), + g = e.children(":not(summary)"), + i = e.contents(":not(summary)"), + f = this.getAttribute("open"); + if (!h.length) { + h = $(a.createElement("summary")).text("Details").prependTo(e) + } + if (g.length != i.length) { + i.filter(function () { + return (this.nodeType === 3) && (/[^ \t\n\f\r]/.test(this.data)) + }).wrap("<span>"); + g = e.children(":not(summary)") + } + if (typeof f == "string" || (typeof f == "boolean" && f)) { + e.addClass("open"); + g.show() + } else { + g.hide() + } + h.noSelect().attr("tabIndex", 0).click(function () { + h.focus(); + typeof e.attr("open") != "undefined" ? e.removeAttr("open") : e.attr("open", "open"); + g.toggle(0); + e.toggleClass("open") + }).keyup(function (j) { + if (13 === j.keyCode || 32 === j.keyCode) { + if (!($.browser.opera && 13 === j.keyCode)) { + j.preventDefault(); + h.click() + } + } + }) + }) + }; + b.support = d + } +}(document, jQuery)); diff --git a/lava_scheduler_app/static/lava_scheduler_app/js/jquery.flot.js b/lava_scheduler_app/static/lava_scheduler_app/js/jquery.flot.js new file mode 100644 index 000000000..c8e6ca86a --- /dev/null +++ b/lava_scheduler_app/static/lava_scheduler_app/js/jquery.flot.js @@ -0,0 +1,3291 @@ +/* Plugin for jQuery for working with colors. + * + * Version 1.1. + * + * Inspiration from jQuery color animation plugin by John Resig. + * + * Released under the MIT license by Ole Laursen, October 2009. + * + * Examples: + * + * $.color.parse("#fff").scale('rgb', 0.25).add('a', -0.5).toString() + * var c = $.color.extract($("#mydiv"), 'background-color'); + * console.log(c.r, c.g, c.b, c.a); + * $.color.make(100, 50, 25, 0.4).toString() // returns "rgba(100,50,25,0.4)" + * + * Note that .scale() and .add() return the same modified object + * instead of making a new one. + * + * V. 1.1: Fix error handling so e.g. parsing an empty string does + * produce a color rather than just crashing. + */ + +(function($) { + $.color = {}; + + // construct color object with some convenient chainable helpers + $.color.make = function (r, g, b, a) { + var o = {}; + o.r = r || 0; + o.g = g || 0; + o.b = b || 0; + o.a = a != null ? a : 1; + + o.add = function (c, d) { + for (var i = 0; i < c.length; ++i) + o[c.charAt(i)] += d; + return o.normalize(); + }; + + o.scale = function (c, f) { + for (var i = 0; i < c.length; ++i) + o[c.charAt(i)] *= f; + return o.normalize(); + }; + + o.toString = function () { + if (o.a >= 1.0) { + return "rgb("+[o.r, o.g, o.b].join(",")+")"; + } else { + return "rgba("+[o.r, o.g, o.b, o.a].join(",")+")"; + } + }; + + o.normalize = function () { + function clamp(min, value, max) { + return value < min ? min: (value > max ? max: value); + } + + o.r = clamp(0, parseInt(o.r), 255); + o.g = clamp(0, parseInt(o.g), 255); + o.b = clamp(0, parseInt(o.b), 255); + o.a = clamp(0, o.a, 1); + return o; + }; + + o.clone = function () { + return $.color.make(o.r, o.b, o.g, o.a); + }; + + return o.normalize(); + } + + // extract CSS color property from element, going up in the DOM + // if it's "transparent" + $.color.extract = function (elem, css) { + var c; + + do { + c = elem.css(css).toLowerCase(); + // keep going until we find an element that has color, or + // we hit the body or root (have no parent) + if (c != '' && c != 'transparent') + break; + elem = elem.parent(); + } while (elem.length && !$.nodeName(elem.get(0), "body")); + + // catch Safari's way of signalling transparent + if (c == "rgba(0, 0, 0, 0)") + c = "transparent"; + + return $.color.parse(c); + } + + // parse CSS color string (like "rgb(10, 32, 43)" or "#fff"), + // returns color object, if parsing failed, you get black (0, 0, + // 0) out + $.color.parse = function (str) { + var res, m = $.color.make; + + // Look for rgb(num,num,num) + if (res = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(str)) + return m(parseInt(res[1], 10), parseInt(res[2], 10), parseInt(res[3], 10)); + + // Look for rgba(num,num,num,num) + if (res = /rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str)) + return m(parseInt(res[1], 10), parseInt(res[2], 10), parseInt(res[3], 10), parseFloat(res[4])); + + // Look for rgb(num%,num%,num%) + if (res = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(str)) + return m(parseFloat(res[1])*2.55, parseFloat(res[2])*2.55, parseFloat(res[3])*2.55); + + // Look for rgba(num%,num%,num%,num) + if (res = /rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str)) + return m(parseFloat(res[1])*2.55, parseFloat(res[2])*2.55, parseFloat(res[3])*2.55, parseFloat(res[4])); + + // Look for #a0b1c2 + if (res = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(str)) + return m(parseInt(res[1], 16), parseInt(res[2], 16), parseInt(res[3], 16)); + + // Look for #fff + if (res = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(str)) + return m(parseInt(res[1]+res[1], 16), parseInt(res[2]+res[2], 16), parseInt(res[3]+res[3], 16)); + + // Otherwise, we're most likely dealing with a named color + var name = $.trim(str).toLowerCase(); + if (name == "transparent") + return m(255, 255, 255, 0); + else { + // default to black + res = lookupColors[name] || [0, 0, 0]; + return m(res[0], res[1], res[2]); + } + } + + var lookupColors = { + aqua:[0,255,255], + azure:[240,255,255], + beige:[245,245,220], + black:[0,0,0], + blue:[0,0,255], + brown:[165,42,42], + cyan:[0,255,255], + darkblue:[0,0,139], + darkcyan:[0,139,139], + darkgrey:[169,169,169], + darkgreen:[0,100,0], + darkkhaki:[189,183,107], + darkmagenta:[139,0,139], + darkolivegreen:[85,107,47], + darkorange:[255,140,0], + darkorchid:[153,50,204], + darkred:[139,0,0], + darksalmon:[233,150,122], + darkviolet:[148,0,211], + fuchsia:[255,0,255], + gold:[255,215,0], + green:[0,128,0], + indigo:[75,0,130], + khaki:[240,230,140], + lightblue:[173,216,230], + lightcyan:[224,255,255], + lightgreen:[144,238,144], + lightgrey:[211,211,211], + lightpink:[255,182,193], + lightyellow:[255,255,224], + lime:[0,255,0], + magenta:[255,0,255], + maroon:[128,0,0], + navy:[0,0,128], + olive:[128,128,0], + orange:[255,165,0], + pink:[255,192,203], + purple:[128,0,128], + violet:[128,0,128], + red:[255,0,0], + silver:[192,192,192], + white:[255,255,255], + yellow:[255,255,0] + }; +})(jQuery); +/* Javascript plotting library for jQuery, version 0.8.2. + +Copyright (c) 2007-2013 IOLA and Ole Laursen. +Licensed under the MIT license. + +*/ + +// the actual Flot code +(function($) { + + // Cache the prototype hasOwnProperty for faster access + + var hasOwnProperty = Object.prototype.hasOwnProperty; + + /////////////////////////////////////////////////////////////////////////// + // The Canvas object is a wrapper around an HTML5 <canvas> tag. + // + // @constructor + // @param {string} cls List of classes to apply to the canvas. + // @param {element} container Element onto which to append the canvas. + // + // Requiring a container is a little iffy, but unfortunately canvas + // operations don't work unless the canvas is attached to the DOM. + + function Canvas(cls, container) { + + var element = container.children("." + cls)[0]; + + if (element == null) { + + element = document.createElement("canvas"); + element.className = cls; + + $(element).css({ direction: "ltr", position: "absolute", left: 0, top: 0 }) + .appendTo(container); + + // If HTML5 Canvas isn't available, fall back to [Ex|Flash]canvas + + if (!element.getContext) { + if (window.G_vmlCanvasManager) { + element = window.G_vmlCanvasManager.initElement(element); + } else { + throw new Error("Canvas is not available. If you're using IE with a fall-back such as Excanvas, then there's either a mistake in your conditional include, or the page has no DOCTYPE and is rendering in Quirks Mode."); + } + } + } + + this.element = element; + + var context = this.context = element.getContext("2d"); + + // Determine the screen's ratio of physical to device-independent + // pixels. This is the ratio between the canvas width that the browser + // advertises and the number of pixels actually present in that space. + + // The iPhone 4, for example, has a device-independent width of 320px, + // but its screen is actually 640px wide. It therefore has a pixel + // ratio of 2, while most normal devices have a ratio of 1. + + var devicePixelRatio = window.devicePixelRatio || 1, + backingStoreRatio = + context.webkitBackingStorePixelRatio || + context.mozBackingStorePixelRatio || + context.msBackingStorePixelRatio || + context.oBackingStorePixelRatio || + context.backingStorePixelRatio || 1; + + this.pixelRatio = devicePixelRatio / backingStoreRatio; + + // Size the canvas to match the internal dimensions of its container + + this.resize(container.width(), container.height()); + + // Collection of HTML div layers for text overlaid onto the canvas + + this.textContainer = null; + this.text = {}; + + // Cache of text fragments and metrics, so we can avoid expensively + // re-calculating them when the plot is re-rendered in a loop. + + this._textCache = {}; + } + + // Resizes the canvas to the given dimensions. + // + // @param {number} width New width of the canvas, in pixels. + // @param {number} width New height of the canvas, in pixels. + + Canvas.prototype.resize = function(width, height) { + + if (width <= 0 || height <= 0) { + throw new Error("Invalid dimensions for plot, width = " + width + ", height = " + height); + } + + var element = this.element, + context = this.context, + pixelRatio = this.pixelRatio; + + // Resize the canvas, increasing its density based on the display's + // pixel ratio; basically giving it more pixels without increasing the + // size of its element, to take advantage of the fact that retina + // displays have that many more pixels in the same advertised space. + + // Resizing should reset the state (excanvas seems to be buggy though) + + if (this.width != width) { + element.width = width * pixelRatio; + element.style.width = width + "px"; + this.width = width; + } + + if (this.height != height) { + element.height = height * pixelRatio; + element.style.height = height + "px"; + this.height = height; + } + + // Save the context, so we can reset in case we get replotted. The + // restore ensure that we're really back at the initial state, and + // should be safe even if we haven't saved the initial state yet. + + context.restore(); + context.save(); + + // Scale the coordinate space to match the display density; so even though we + // may have twice as many pixels, we still want lines and other drawing to + // appear at the same size; the extra pixels will just make them crisper. + + context.scale(pixelRatio, pixelRatio); + }; + + // Clears the entire canvas area, not including any overlaid HTML text + + Canvas.prototype.clear = function() { + this.context.clearRect(0, 0, this.width, this.height); + }; + + // Finishes rendering the canvas, including managing the text overlay. + + Canvas.prototype.render = function() { + + var cache = this._textCache; + + // For each text layer, add elements marked as active that haven't + // already been rendered, and remove those that are no longer active. + + for (var layerKey in cache) { + if (hasOwnProperty.call(cache, layerKey)) { + + var layer = this.getTextLayer(layerKey), + layerCache = cache[layerKey]; + + layer.hide(); + + for (var styleKey in layerCache) { + if (hasOwnProperty.call(layerCache, styleKey)) { + var styleCache = layerCache[styleKey]; + for (var key in styleCache) { + if (hasOwnProperty.call(styleCache, key)) { + + var positions = styleCache[key].positions; + + for (var i = 0, position; position = positions[i]; i++) { + if (position.active) { + if (!position.rendered) { + layer.append(position.element); + position.rendered = true; + } + } else { + positions.splice(i--, 1); + if (position.rendered) { + position.element.detach(); + } + } + } + + if (positions.length == 0) { + delete styleCache[key]; + } + } + } + } + } + + layer.show(); + } + } + }; + + // Creates (if necessary) and returns the text overlay container. + // + // @param {string} classes String of space-separated CSS classes used to + // uniquely identify the text layer. + // @return {object} The jQuery-wrapped text-layer div. + + Canvas.prototype.getTextLayer = function(classes) { + + var layer = this.text[classes]; + + // Create the text layer if it doesn't exist + + if (layer == null) { + + // Create the text layer container, if it doesn't exist + + if (this.textContainer == null) { + this.textContainer = $("<div class='flot-text'></div>") + .css({ + position: "absolute", + top: 0, + left: 0, + bottom: 0, + right: 0, + 'font-size': "smaller", + color: "#545454" + }) + .insertAfter(this.element); + } + + layer = this.text[classes] = $("<div></div>") + .addClass(classes) + .css({ + position: "absolute", + top: 0, + left: 0, + bottom: 0, + right: 0 + }) + .appendTo(this.textContainer); + } + + return layer; + }; + + // Creates (if necessary) and returns a text info object. + // + // The object looks like this: + // + // { + // width: Width of the text's wrapper div. + // height: Height of the text's wrapper div. + // element: The jQuery-wrapped HTML div containing the text. + // positions: Array of positions at which this text is drawn. + // } + // + // The positions array contains objects that look like this: + // + // { + // active: Flag indicating whether the text should be visible. + // rendered: Flag indicating whether the text is currently visible. + // element: The jQuery-wrapped HTML div containing the text. + // x: X coordinate at which to draw the text. + // y: Y coordinate at which to draw the text. + // } + // + // Each position after the first receives a clone of the original element. + // + // The idea is that that the width, height, and general 'identity' of the + // text is constant no matter where it is placed; the placements are a + // secondary property. + // + // Canvas maintains a cache of recently-used text info objects; getTextInfo + // either returns the cached element or creates a new entry. + // + // @param {string} layer A string of space-separated CSS classes uniquely + // identifying the layer containing this text. + // @param {string} text Text string to retrieve info for. + // @param {(string|object)=} font Either a string of space-separated CSS + // classes or a font-spec object, defining the text's font and style. + // @param {number=} angle Angle at which to rotate the text, in degrees. + // Angle is currently unused, it will be implemented in the future. + // @param {number=} width Maximum width of the text before it wraps. + // @return {object} a text info object. + + Canvas.prototype.getTextInfo = function(layer, text, font, angle, width) { + + var textStyle, layerCache, styleCache, info; + + // Cast the value to a string, in case we were given a number or such + + text = "" + text; + + // If the font is a font-spec object, generate a CSS font definition + + if (typeof font === "object") { + textStyle = font.style + " " + font.variant + " " + font.weight + " " + font.size + "px/" + font.lineHeight + "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 we can't find a matching element in our cache, create a new one + + if (info == null) { + + var element = $("<div></div>").html(text) + .css({ + position: "absolute", + 'max-width': width, + top: -9999 + }) + .appendTo(this.getTextLayer(layer)); + + if (typeof font === "object") { + element.css({ + font: textStyle, + color: font.color + }); + } else if (typeof font === "string") { + element.addClass(font); + } + + info = styleCache[text] = { + width: element.outerWidth(true), + height: element.outerHeight(true), + element: element, + positions: [] + }; + + element.detach(); + } + + return info; + }; + + // Adds a text string to the canvas text overlay. + // + // The text isn't drawn immediately; it is marked as rendering, which will + // result in its addition to the canvas on the next render pass. + // + // @param {string} layer A string of space-separated CSS classes uniquely + // identifying the layer containing this text. + // @param {number} x X coordinate at which to draw the text. + // @param {number} y Y coordinate at which to draw the text. + // @param {string} text Text string to draw. + // @param {(string|object)=} font Either a string of space-separated CSS + // classes or a font-spec object, defining the text's font and style. + // @param {number=} angle Angle at which to rotate the text, in degrees. + // Angle is currently unused, it will be implemented in the future. + // @param {number=} width Maximum width of the text before it wraps. + // @param {string=} halign Horizontal alignment of the text; either "left", + // "center" or "right". + // @param {string=} valign Vertical alignment of the text; either "top", + // "middle" or "bottom". + + Canvas.prototype.addText = function(layer, x, y, text, font, angle, width, halign, valign) { + + var info = this.getTextInfo(layer, text, font, angle, width), + positions = info.positions; + + // Tweak the div's position to match the text's alignment + + if (halign == "center") { + x -= info.width / 2; + } else if (halign == "right") { + x -= info.width; + } + + if (valign == "middle") { + y -= info.height / 2; + } else if (valign == "bottom") { + y -= info.height; + } + + // 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 + + // For the very first position we'll re-use the original element, + // while for subsequent ones we'll clone it. + + position = { + active: true, + rendered: false, + element: positions.length ? info.element.clone() : info.element, + x: x, + y: y + }; + + positions.push(position); + + // Move the element to its final position within the container + + position.element.css({ + top: Math.round(y), + left: Math.round(x), + 'text-align': halign // In case the text wraps + }); + }; + + // Removes one or more text strings from the canvas text overlay. + // + // If no parameters are given, all text within the layer is removed. + // + // Note that the text is not immediately removed; it is simply marked as + // inactive, which will result in its removal on the next render pass. + // This avoids the performance penalty for 'clear and redraw' behavior, + // where we potentially get rid of all text on a layer, but will likely + // add back most or all of it later, as when redrawing axes, for example. + // + // @param {string} layer A string of space-separated CSS classes uniquely + // identifying the layer containing this text. + // @param {number=} x X coordinate of the text. + // @param {number=} y Y coordinate of the text. + // @param {string=} text Text string to remove. + // @param {(string|object)=} font Either a string of space-separated CSS + // classes or a font-spec object, defining the text's font and style. + // @param {number=} angle Angle at which the text is rotated, in degrees. + // Angle is currently unused, it will be implemented in the future. + + Canvas.prototype.removeText = function(layer, x, y, text, font, angle) { + if (text == null) { + var layerCache = this._textCache[layer]; + if (layerCache != null) { + for (var styleKey in layerCache) { + if (hasOwnProperty.call(layerCache, styleKey)) { + var styleCache = layerCache[styleKey]; + for (var key in styleCache) { + if (hasOwnProperty.call(styleCache, key)) { + var positions = styleCache[key].positions; + for (var i = 0, position; position = positions[i]; i++) { + position.active = false; + } + } + } + } + } + } + } else { + var positions = this.getTextInfo(layer, text, font, angle).positions; + for (var i = 0, position; position = positions[i]; i++) { + if (position.x == x && position.y == y) { + position.active = false; + } + } + } + }; + + /////////////////////////////////////////////////////////////////////////// + // The top-level container for the entire plot. + + function Plot(placeholder, data_, options_, plugins) { + // data is on the form: + // [ series1, series2 ... ] + // where series is either just the data as [ [x1, y1], [x2, y2], ... ] + // or { data: [ [x1, y1], [x2, y2], ... ], label: "some label", ... } + + var series = [], + options = { + // the color theme used for graphs + colors: ["#edc240", "#afd8f8", "#cb4b4b", "#4da74d", "#9440ed"], + legend: { + show: true, + noColumns: 1, // number of colums in legend table + labelFormatter: null, // fn: string -> string + labelBoxBorderColor: "#ccc", // border color for the little label boxes + container: null, // container (as jQuery object) to put legend in, null means default on top of graph + position: "ne", // position of default legend container within plot + margin: 5, // distance from grid edge to default legend container within plot + backgroundColor: null, // null means auto-detect + backgroundOpacity: 0.85, // set to 0 to avoid background + sorted: null // default to no legend sorting + }, + xaxis: { + show: null, // null = auto-detect, true = always, false = never + position: "bottom", // or "top" + mode: null, // null or "time" + font: null, // null (derived from CSS in placeholder) or object like { size: 11, lineHeight: 13, style: "italic", weight: "bold", family: "sans-serif", variant: "small-caps" } + color: null, // base color, labels, ticks + tickColor: null, // possibly different color of ticks, e.g. "rgba(0,0,0,0.15)" + transform: null, // null or f: number -> number to transform axis + inverseTransform: null, // if transform is set, this should be the inverse function + min: null, // min. value to show, null means set automatically + max: null, // max. value to show, null means set automatically + autoscaleMargin: null, // margin in % to add if auto-setting min/max + ticks: null, // either [1, 3] or [[1, "a"], 3] or (fn: axis info -> ticks) or app. number of ticks for auto-ticks + tickFormatter: null, // fn: number -> string + labelWidth: null, // size of tick labels in pixels + labelHeight: null, + reserveSpace: null, // whether to reserve space even if axis isn't shown + tickLength: null, // size in pixels of ticks, or "full" for whole line + alignTicksWithAxis: null, // axis number or null for no sync + tickDecimals: null, // no. of decimals, null means auto + tickSize: null, // number or [number, "unit"] + minTickSize: null // number or [number, "unit"] + }, + yaxis: { + autoscaleMargin: 0.02, + position: "left" // or "right" + }, + xaxes: [], + yaxes: [], + series: { + points: { + show: false, + radius: 3, + lineWidth: 2, // in pixels + fill: true, + fillColor: "#ffffff", + symbol: "circle" // or callback + }, + lines: { + // we don't put in show: false so we can see + // whether lines were actively disabled + lineWidth: 2, // in pixels + fill: false, + fillColor: null, + steps: false + // Omit 'zero', so we can later default its value to + // match that of the 'fill' option. + }, + bars: { + show: false, + lineWidth: 2, // in pixels + barWidth: 1, // in units of the x axis + fill: true, + fillColor: null, + align: "left", // "left", "right", or "center" + horizontal: false, + zero: true + }, + shadowSize: 3, + highlightColor: null + }, + grid: { + show: true, + aboveData: false, + color: "#545454", // primary color used for outline and labels + backgroundColor: null, // null for transparent, else color + borderColor: null, // set if different from the grid color + tickColor: null, // color for the ticks, e.g. "rgba(0,0,0,0.15)" + margin: 0, // distance from the canvas edge to the grid + labelMargin: 5, // in pixels + axisMargin: 8, // in pixels + borderWidth: 2, // in pixels + minBorderMargin: null, // in pixels, null means taken from points radius + markings: null, // array of ranges or fn: axes -> array of ranges + markingsColor: "#f4f4f4", + markingsLineWidth: 2, + // interactive stuff + clickable: false, + hoverable: false, + autoHighlight: true, // highlight in case mouse is near + mouseActiveRadius: 10 // how far the mouse can be away to activate an item + }, + interaction: { + redrawOverlayInterval: 1000/60 // time between updates, -1 means in same flow + }, + hooks: {} + }, + surface = null, // the canvas for the plot itself + overlay = null, // canvas for interactive stuff on top of plot + eventHolder = null, // jQuery object that events should be bound to + ctx = null, octx = null, + xaxes = [], yaxes = [], + plotOffset = { left: 0, right: 0, top: 0, bottom: 0}, + plotWidth = 0, plotHeight = 0, + hooks = { + processOptions: [], + processRawData: [], + processDatapoints: [], + processOffset: [], + drawBackground: [], + drawSeries: [], + draw: [], + bindEvents: [], + drawOverlay: [], + shutdown: [] + }, + plot = this; + + // public functions + plot.setData = setData; + plot.setupGrid = setupGrid; + plot.draw = draw; + plot.getPlaceholder = function() { return placeholder; }; + plot.getCanvas = function() { return surface.element; }; + plot.getPlotOffset = function() { return plotOffset; }; + plot.width = function () { return plotWidth; }; + plot.height = function () { return plotHeight; }; + plot.offset = function () { + var o = eventHolder.offset(); + o.left += plotOffset.left; + o.top += plotOffset.top; + return o; + }; + plot.getData = function () { return series; }; + plot.getAxes = function () { + var res = {}, i; + $.each(xaxes.concat(yaxes), function (_, axis) { + if (axis) + res[axis.direction + (axis.n != 1 ? axis.n : "") + "axis"] = axis; + }); + return res; + }; + plot.getXAxes = function () { return xaxes; }; + plot.getYAxes = function () { return yaxes; }; + plot.c2p = canvasToAxisCoords; + plot.p2c = axisToCanvasCoords; + plot.getOptions = function () { return options; }; + plot.highlight = highlight; + plot.unhighlight = unhighlight; + plot.triggerRedrawOverlay = triggerRedrawOverlay; + plot.pointOffset = function(point) { + return { + left: parseInt(xaxes[axisNumber(point, "x") - 1].p2c(+point.x) + plotOffset.left, 10), + top: parseInt(yaxes[axisNumber(point, "y") - 1].p2c(+point.y) + plotOffset.top, 10) + }; + }; + plot.shutdown = shutdown; + plot.destroy = function () { + shutdown(); + placeholder.removeData("plot").empty(); + + series = []; + options = null; + surface = null; + overlay = null; + eventHolder = null; + ctx = null; + octx = null; + xaxes = []; + yaxes = []; + hooks = null; + highlights = []; + plot = null; + }; + plot.resize = function () { + var width = placeholder.width(), + height = placeholder.height(); + surface.resize(width, height); + overlay.resize(width, height); + }; + + // public attributes + plot.hooks = hooks; + + // initialize + initPlugins(plot); + parseOptions(options_); + setupCanvases(); + setData(data_); + setupGrid(); + draw(); + bindEvents(); + + + function executeHooks(hook, args) { + args = [plot].concat(args); + for (var i = 0; i < hook.length; ++i) + hook[i].apply(this, args); + } + + function initPlugins() { + + // References to key classes, allowing plugins to modify them + + var classes = { + Canvas: Canvas + }; + + for (var i = 0; i < plugins.length; ++i) { + var p = plugins[i]; + p.init(plot, classes); + if (p.options) + $.extend(true, options, p.options); + } + } + + function parseOptions(opts) { + + $.extend(true, options, opts); + + // $.extend merges arrays, rather than replacing them. When less + // colors are provided than the size of the default palette, we + // end up with those colors plus the remaining defaults, which is + // not expected behavior; avoid it by replacing them here. + + if (opts && opts.colors) { + options.colors = opts.colors; + } + + if (options.xaxis.color == null) + options.xaxis.color = $.color.parse(options.grid.color).scale('a', 0.22).toString(); + if (options.yaxis.color == null) + options.yaxis.color = $.color.parse(options.grid.color).scale('a', 0.22).toString(); + + if (options.xaxis.tickColor == null) // grid.tickColor for back-compatibility + options.xaxis.tickColor = options.grid.tickColor || options.xaxis.color; + if (options.yaxis.tickColor == null) // grid.tickColor for back-compatibility + options.yaxis.tickColor = options.grid.tickColor || options.yaxis.color; + + if (options.grid.borderColor == null) + options.grid.borderColor = options.grid.color; + if (options.grid.tickColor == null) + options.grid.tickColor = $.color.parse(options.grid.color).scale('a', 0.22).toString(); + + // Fill in defaults for axis options, including any unspecified + // font-spec fields, if a font-spec was provided. + + // If no x/y axis options were provided, create one of each anyway, + // since the rest of the code assumes that they exist. + + var i, axisOptions, axisCount, + fontSize = placeholder.css("font-size"), + fontSizeDefault = fontSize ? +fontSize.replace("px", "") : 13, + fontDefaults = { + style: placeholder.css("font-style"), + size: Math.round(0.8 * fontSizeDefault), + variant: placeholder.css("font-variant"), + weight: placeholder.css("font-weight"), + family: placeholder.css("font-family") + }; + + axisCount = options.xaxes.length || 1; + for (i = 0; i < axisCount; ++i) { + + axisOptions = options.xaxes[i]; + if (axisOptions && !axisOptions.tickColor) { + axisOptions.tickColor = axisOptions.color; + } + + axisOptions = $.extend(true, {}, options.xaxis, axisOptions); + options.xaxes[i] = axisOptions; + + if (axisOptions.font) { + axisOptions.font = $.extend({}, fontDefaults, axisOptions.font); + if (!axisOptions.font.color) { + axisOptions.font.color = axisOptions.color; + } + if (!axisOptions.font.lineHeight) { + axisOptions.font.lineHeight = Math.round(axisOptions.font.size * 1.15); + } + } + } + + axisCount = options.yaxes.length || 1; + for (i = 0; i < axisCount; ++i) { + + axisOptions = options.yaxes[i]; + if (axisOptions && !axisOptions.tickColor) { + axisOptions.tickColor = axisOptions.color; + } + + axisOptions = $.extend(true, {}, options.yaxis, axisOptions); + options.yaxes[i] = axisOptions; + + if (axisOptions.font) { + axisOptions.font = $.extend({}, fontDefaults, axisOptions.font); + if (!axisOptions.font.color) { + axisOptions.font.color = axisOptions.color; + } + if (!axisOptions.font.lineHeight) { + axisOptions.font.lineHeight = Math.round(axisOptions.font.size * 1.15); + } + } + } + + // backwards compatibility, to be removed in future + if (options.xaxis.noTicks && options.xaxis.ticks == null) + options.xaxis.ticks = options.xaxis.noTicks; + if (options.yaxis.noTicks && options.yaxis.ticks == null) + options.yaxis.ticks = options.yaxis.noTicks; + if (options.x2axis) { + options.xaxes[1] = $.extend(true, {}, options.xaxis, options.x2axis); + options.xaxes[1].position = "top"; + } + if (options.y2axis) { + options.yaxes[1] = $.extend(true, {}, options.yaxis, options.y2axis); + options.yaxes[1].position = "right"; + } + if (options.grid.coloredAreas) + options.grid.markings = options.grid.coloredAreas; + if (options.grid.coloredAreasColor) + options.grid.markingsColor = options.grid.coloredAreasColor; + if (options.lines) + $.extend(true, options.series.lines, options.lines); + if (options.points) + $.extend(true, options.series.points, options.points); + if (options.bars) + $.extend(true, options.series.bars, options.bars); + if (options.shadowSize != null) + options.series.shadowSize = options.shadowSize; + if (options.highlightColor != null) + options.series.highlightColor = options.highlightColor; + + // save options on axes for future reference + for (i = 0; i < options.xaxes.length; ++i) + getOrCreateAxis(xaxes, i + 1).options = options.xaxes[i]; + for (i = 0; i < options.yaxes.length; ++i) + getOrCreateAxis(yaxes, i + 1).options = options.yaxes[i]; + + // add hooks from options + for (var n in hooks) + if (options.hooks[n] && options.hooks[n].length) + hooks[n] = hooks[n].concat(options.hooks[n]); + + executeHooks(hooks.processOptions, [options]); + } + + function setData(d) { + series = parseData(d); + fillInSeriesOptions(); + processData(); + } + + function parseData(d) { + var res = []; + for (var i = 0; i < d.length; ++i) { + var s = $.extend(true, {}, options.series); + + if (d[i].data != null) { + s.data = d[i].data; // move the data instead of deep-copy + delete d[i].data; + + $.extend(true, s, d[i]); + + d[i].data = s.data; + } + else + s.data = d[i]; + res.push(s); + } + + return res; + } + + function axisNumber(obj, coord) { + var a = obj[coord + "axis"]; + if (typeof a == "object") // if we got a real axis, extract number + a = a.n; + if (typeof a != "number") + a = 1; // default to first axis + return a; + } + + function allAxes() { + // return flat array without annoying null entries + return $.grep(xaxes.concat(yaxes), function (a) { return a; }); + } + + function canvasToAxisCoords(pos) { + // return an object with x/y corresponding to all used axes + var res = {}, i, axis; + for (i = 0; i < xaxes.length; ++i) { + axis = xaxes[i]; + if (axis && axis.used) + res["x" + axis.n] = axis.c2p(pos.left); + } + + for (i = 0; i < yaxes.length; ++i) { + axis = yaxes[i]; + if (axis && axis.used) + res["y" + axis.n] = axis.c2p(pos.top); + } + + if (res.x1 !== undefined) + res.x = res.x1; + if (res.y1 !== undefined) + res.y = res.y1; + + return res; + } + + function axisToCanvasCoords(pos) { + // get canvas coords from the first pair of x/y found in pos + var res = {}, i, axis, key; + + for (i = 0; i < xaxes.length; ++i) { + axis = xaxes[i]; + if (axis && axis.used) { + key = "x" + axis.n; + if (pos[key] == null && axis.n == 1) + key = "x"; + + if (pos[key] != null) { + res.left = axis.p2c(pos[key]); + break; + } + } + } + + for (i = 0; i < yaxes.length; ++i) { + axis = yaxes[i]; + if (axis && axis.used) { + key = "y" + axis.n; + if (pos[key] == null && axis.n == 1) + key = "y"; + + if (pos[key] != null) { + res.top = axis.p2c(pos[key]); + break; + } + } + } + + return res; + } + + function getOrCreateAxis(axes, number) { + if (!axes[number - 1]) + axes[number - 1] = { + n: number, // save the number for future reference + direction: axes == xaxes ? "x" : "y", + options: $.extend(true, {}, axes == xaxes ? options.xaxis : options.yaxis) + }; + + return axes[number - 1]; + } + + function fillInSeriesOptions() { + + var neededColors = series.length, maxIndex = -1, i; + + // Subtract the number of series that already have fixed colors or + // color indexes from the number that we still need to generate. + + for (i = 0; i < series.length; ++i) { + var sc = series[i].color; + if (sc != null) { + neededColors--; + if (typeof sc == "number" && sc > maxIndex) { + maxIndex = sc; + } + } + } + + // If any of the series have fixed color indexes, then we need to + // generate at least as many colors as the highest index. + + if (neededColors <= maxIndex) { + neededColors = maxIndex + 1; + } + + // Generate all the colors, using first the option colors and then + // variations on those colors once they're exhausted. + + var c, colors = [], colorPool = options.colors, + colorPoolSize = colorPool.length, variation = 0; + + for (i = 0; i < neededColors; i++) { + + c = $.color.parse(colorPool[i % colorPoolSize] || "#666"); + + // Each time we exhaust the colors in the pool we adjust + // a scaling factor used to produce more variations on + // those colors. The factor alternates negative/positive + // to produce lighter/darker colors. + + // Reset the variation after every few cycles, or else + // it will end up producing only white or black colors. + + if (i % colorPoolSize == 0 && i) { + if (variation >= 0) { + if (variation < 0.5) { + variation = -variation - 0.2; + } else variation = 0; + } else variation = -variation; + } + + colors[i] = c.scale('rgb', 1 + variation); + } + + // Finalize the series options, filling in their colors + + var colori = 0, s; + for (i = 0; i < series.length; ++i) { + s = series[i]; + + // assign colors + if (s.color == null) { + s.color = colors[colori].toString(); + ++colori; + } + else if (typeof s.color == "number") + s.color = colors[s.color].toString(); + + // turn on lines automatically in case nothing is set + if (s.lines.show == null) { + var v, show = true; + for (v in s) + if (s[v] && s[v].show) { + show = false; + break; + } + if (show) + s.lines.show = true; + } + + // If nothing was provided for lines.zero, default it to match + // lines.fill, since areas by default should extend to zero. + + if (s.lines.zero == null) { + s.lines.zero = !!s.lines.fill; + } + + // setup axes + s.xaxis = getOrCreateAxis(xaxes, axisNumber(s, "x")); + s.yaxis = getOrCreateAxis(yaxes, axisNumber(s, "y")); + } + } + + function processData() { + var topSentry = Number.POSITIVE_INFINITY, + bottomSentry = Number.NEGATIVE_INFINITY, + fakeInfinity = Number.MAX_VALUE, + i, j, k, m, length, + s, points, ps, x, y, axis, val, f, p, + data, format; + + function updateAxis(axis, min, max) { + if (min < axis.datamin && min != -fakeInfinity) + axis.datamin = min; + if (max > axis.datamax && max != fakeInfinity) + axis.datamax = max; + } + + $.each(allAxes(), function (_, axis) { + // init axis + axis.datamin = topSentry; + axis.datamax = bottomSentry; + axis.used = false; + }); + + for (i = 0; i < series.length; ++i) { + s = series[i]; + s.datapoints = { points: [] }; + + executeHooks(hooks.processRawData, [ s, s.data, s.datapoints ]); + } + + // first pass: clean and copy data + for (i = 0; i < series.length; ++i) { + s = series[i]; + + data = s.data; + format = s.datapoints.format; + + if (!format) { + format = []; + // find out how to copy + format.push({ x: true, number: true, required: true }); + format.push({ y: true, number: true, required: true }); + + if (s.bars.show || (s.lines.show && s.lines.fill)) { + 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; + } + } + + s.datapoints.format = format; + } + + if (s.datapoints.pointsize != null) + continue; // already filled in + + s.datapoints.pointsize = format.length; + + ps = s.datapoints.pointsize; + points = s.datapoints.points; + + var insertSteps = s.lines.show && s.lines.steps; + s.xaxis.used = s.yaxis.used = true; + + for (j = k = 0; j < data.length; ++j, k += ps) { + p = data[j]; + + var nullify = p == null; + if (!nullify) { + for (m = 0; m < ps; ++m) { + val = p[m]; + f = format[m]; + + if (f) { + if (f.number && val != null) { + val = +val; // convert to number + if (isNaN(val)) + val = null; + else if (val == Infinity) + val = fakeInfinity; + else if (val == -Infinity) + val = -fakeInfinity; + } + + if (val == null) { + if (f.required) + nullify = true; + + if (f.defaultValue != null) + val = f.defaultValue; + } + } + + points[k + m] = val; + } + } + + if (nullify) { + for (m = 0; m < ps; ++m) { + val = points[k + m]; + if (val != null) { + f = format[m]; + // extract min/max info + if (f.autoscale !== false) { + if (f.x) { + updateAxis(s.xaxis, val, val); + } + if (f.y) { + updateAxis(s.yaxis, val, val); + } + } + } + points[k + m] = null; + } + } + else { + // a little bit of line specific stuff that + // perhaps shouldn't be here, but lacking + // better means... + if (insertSteps && k > 0 + && points[k - ps] != null + && points[k - ps] != points[k] + && points[k - ps + 1] != points[k + 1]) { + // copy the point to make room for a middle point + for (m = 0; m < ps; ++m) + points[k + ps + m] = points[k + m]; + + // middle point has same y + points[k + 1] = points[k - ps + 1]; + + // we've added a point, better reflect that + k += ps; + } + } + } + } + + // give the hooks a chance to run + for (i = 0; i < series.length; ++i) { + s = series[i]; + + executeHooks(hooks.processDatapoints, [ s, s.datapoints]); + } + + // second pass: find datamax/datamin for auto-scaling + for (i = 0; i < series.length; ++i) { + s = series[i]; + points = s.datapoints.points; + ps = s.datapoints.pointsize; + format = s.datapoints.format; + + var xmin = topSentry, ymin = topSentry, + xmax = bottomSentry, ymax = bottomSentry; + + for (j = 0; j < points.length; j += ps) { + if (points[j] == null) + continue; + + for (m = 0; m < ps; ++m) { + val = points[j + m]; + f = format[m]; + if (!f || f.autoscale === false || val == fakeInfinity || val == -fakeInfinity) + continue; + + if (f.x) { + if (val < xmin) + xmin = val; + if (val > xmax) + xmax = val; + } + if (f.y) { + if (val < ymin) + ymin = val; + if (val > ymax) + ymax = val; + } + } + } + + if (s.bars.show) { + // make sure we got room for the bar on the dancing floor + var delta; + + switch (s.bars.align) { + case "left": + delta = 0; + break; + case "right": + delta = -s.bars.barWidth; + break; + default: + delta = -s.bars.barWidth / 2; + } + + if (s.bars.horizontal) { + ymin += delta; + ymax += delta + s.bars.barWidth; + } + else { + xmin += delta; + xmax += delta + s.bars.barWidth; + } + } + + updateAxis(s.xaxis, xmin, xmax); + updateAxis(s.yaxis, ymin, ymax); + } + + $.each(allAxes(), function (_, axis) { + if (axis.datamin == topSentry) + axis.datamin = null; + if (axis.datamax == bottomSentry) + axis.datamax = null; + }); + } + + function setupCanvases() { + + // Make sure the placeholder is clear of everything except canvases + // from a previous plot in this container that we'll try to re-use. + + placeholder.css("padding", 0) // padding messes up the positioning + .children().filter(function(){ + return !$(this).hasClass("flot-overlay") && !$(this).hasClass('flot-base'); + }).remove(); + + if (placeholder.css("position") == 'static') + placeholder.css("position", "relative"); // for positioning labels and overlay + + surface = new Canvas("flot-base", placeholder); + overlay = new Canvas("flot-overlay", placeholder); // overlay canvas for interactive features + + ctx = surface.context; + octx = overlay.context; + + // define which element we're listening for events on + eventHolder = $(overlay.element).unbind(); + + // If we're re-using a plot object, shut down the old one + + var existing = placeholder.data("plot"); + + if (existing) { + existing.shutdown(); + overlay.clear(); + } + + // save in case we get replotted + placeholder.data("plot", plot); + } + + function bindEvents() { + // bind events + if (options.grid.hoverable) { + eventHolder.mousemove(onMouseMove); + + // Use bind, rather than .mouseleave, because we officially + // still support jQuery 1.2.6, which doesn't define a shortcut + // for mouseenter or mouseleave. This was a bug/oversight that + // was fixed somewhere around 1.3.x. We can return to using + // .mouseleave when we drop support for 1.2.6. + + eventHolder.bind("mouseleave", onMouseLeave); + } + + if (options.grid.clickable) + eventHolder.click(onClick); + + executeHooks(hooks.bindEvents, [eventHolder]); + } + + function shutdown() { + if (redrawTimeout) + clearTimeout(redrawTimeout); + + eventHolder.unbind("mousemove", onMouseMove); + eventHolder.unbind("mouseleave", onMouseLeave); + eventHolder.unbind("click", onClick); + + executeHooks(hooks.shutdown, [eventHolder]); + } + + function setTransformationHelpers(axis) { + // set helper functions on the axis, assumes plot area + // has been computed already + + function identity(x) { return x; } + + var s, m, t = axis.options.transform || identity, + it = axis.options.inverseTransform; + + // precompute how much the axis is scaling a point + // in canvas space + if (axis.direction == "x") { + s = axis.scale = plotWidth / Math.abs(t(axis.max) - t(axis.min)); + m = Math.min(t(axis.max), t(axis.min)); + } + else { + s = axis.scale = plotHeight / Math.abs(t(axis.max) - t(axis.min)); + s = -s; + m = Math.max(t(axis.max), t(axis.min)); + } + + // data point to canvas coordinate + if (t == identity) // slight optimization + axis.p2c = function (p) { return (p - m) * s; }; + else + axis.p2c = function (p) { return (t(p) - m) * s; }; + // canvas coordinate to data point + if (!it) + axis.c2p = function (c) { return m + c / s; }; + else + axis.c2p = function (c) { return it(m + c / s); }; + } + + function measureTickLabels(axis) { + + var opts = axis.options, + ticks = axis.ticks || [], + labelWidth = opts.labelWidth || 0, + labelHeight = opts.labelHeight || 0, + maxWidth = labelWidth || (axis.direction == "x" ? Math.floor(surface.width / (ticks.length || 1)) : null), + legacyStyles = axis.direction + "Axis " + axis.direction + axis.n + "Axis", + layer = "flot-" + axis.direction + "-axis flot-" + axis.direction + axis.n + "-axis " + legacyStyles, + font = opts.font || "flot-tick-label tickLabel"; + + for (var i = 0; i < ticks.length; ++i) { + + var t = ticks[i]; + + if (!t.label) + continue; + + var info = surface.getTextInfo(layer, t.label, font, null, maxWidth); + + labelWidth = Math.max(labelWidth, info.width); + labelHeight = Math.max(labelHeight, info.height); + } + + axis.labelWidth = opts.labelWidth || labelWidth; + axis.labelHeight = opts.labelHeight || labelHeight; + } + + function allocateAxisBoxFirstPhase(axis) { + // find the bounding box of the axis by looking at label + // widths/heights and ticks, make room by diminishing the + // plotOffset; this first phase only looks at one + // dimension per axis, the other dimension depends on the + // other axes so will have to wait + + var lw = axis.labelWidth, + lh = axis.labelHeight, + pos = axis.options.position, + isXAxis = axis.direction === "x", + tickLength = axis.options.tickLength, + axisMargin = options.grid.axisMargin, + padding = options.grid.labelMargin, + innermost = true, + outermost = true, + first = true, + found = false; + + // Determine the axis's position in its direction and on its side + + $.each(isXAxis ? xaxes : yaxes, function(i, a) { + if (a && a.reserveSpace) { + if (a === axis) { + found = true; + } else if (a.options.position === pos) { + if (found) { + outermost = false; + } else { + innermost = false; + } + } + if (!found) { + first = false; + } + } + }); + + // The outermost axis on each side has no margin + + if (outermost) { + axisMargin = 0; + } + + // The ticks for the first axis in each direction stretch across + + if (tickLength == null) { + tickLength = first ? "full" : 5; + } + + if (!isNaN(+tickLength)) + padding += +tickLength; + + if (isXAxis) { + lh += padding; + + if (pos == "bottom") { + plotOffset.bottom += lh + axisMargin; + axis.box = { top: surface.height - plotOffset.bottom, height: lh }; + } + else { + axis.box = { top: plotOffset.top + axisMargin, height: lh }; + plotOffset.top += lh + axisMargin; + } + } + else { + lw += padding; + + if (pos == "left") { + axis.box = { left: plotOffset.left + axisMargin, width: lw }; + plotOffset.left += lw + axisMargin; + } + else { + plotOffset.right += lw + axisMargin; + axis.box = { left: surface.width - plotOffset.right, width: lw }; + } + } + + // save for future reference + axis.position = pos; + axis.tickLength = tickLength; + axis.box.padding = padding; + axis.innermost = innermost; + } + + function allocateAxisBoxSecondPhase(axis) { + // now that all axis boxes have been placed in one + // dimension, we can set the remaining dimension coordinates + if (axis.direction == "x") { + axis.box.left = plotOffset.left - axis.labelWidth / 2; + axis.box.width = surface.width - plotOffset.left - plotOffset.right + axis.labelWidth; + } + else { + axis.box.top = plotOffset.top - axis.labelHeight / 2; + axis.box.height = surface.height - plotOffset.bottom - plotOffset.top + axis.labelHeight; + } + } + + function adjustLayoutForThingsStickingOut() { + // possibly adjust plot offset to ensure everything stays + // inside the canvas and isn't clipped off + + var minMargin = options.grid.minBorderMargin, + axis, i; + + // check stuff from the plot (FIXME: this should just read + // a value from the series, otherwise it's impossible to + // customize) + if (minMargin == null) { + minMargin = 0; + for (i = 0; i < series.length; ++i) + minMargin = Math.max(minMargin, 2 * (series[i].points.radius + series[i].points.lineWidth/2)); + } + + var margins = { + left: minMargin, + right: minMargin, + top: minMargin, + bottom: minMargin + }; + + // check axis labels, note we don't check the actual + // labels but instead use the overall width/height to not + // jump as much around with replots + $.each(allAxes(), function (_, axis) { + if (axis.reserveSpace && axis.ticks && axis.ticks.length) { + var lastTick = axis.ticks[axis.ticks.length - 1]; + if (axis.direction === "x") { + margins.left = Math.max(margins.left, axis.labelWidth / 2); + if (lastTick.v <= axis.max) { + margins.right = Math.max(margins.right, axis.labelWidth / 2); + } + } else { + margins.bottom = Math.max(margins.bottom, axis.labelHeight / 2); + if (lastTick.v <= axis.max) { + margins.top = Math.max(margins.top, axis.labelHeight / 2); + } + } + } + }); + + plotOffset.left = Math.ceil(Math.max(margins.left, plotOffset.left)); + plotOffset.right = Math.ceil(Math.max(margins.right, plotOffset.right)); + plotOffset.top = Math.ceil(Math.max(margins.top, plotOffset.top)); + plotOffset.bottom = Math.ceil(Math.max(margins.bottom, plotOffset.bottom)); + } + + function setupGrid() { + var i, axes = allAxes(), showGrid = options.grid.show; + + // Initialize the plot's offset from the edge of the canvas + + for (var a in plotOffset) { + var margin = options.grid.margin || 0; + plotOffset[a] = typeof margin == "number" ? margin : margin[a] || 0; + } + + executeHooks(hooks.processOffset, [plotOffset]); + + // If the grid is visible, add its border width to the offset + + for (var a in plotOffset) { + if(typeof(options.grid.borderWidth) == "object") { + plotOffset[a] += showGrid ? options.grid.borderWidth[a] : 0; + } + else { + plotOffset[a] += showGrid ? options.grid.borderWidth : 0; + } + } + + // init axes + $.each(axes, function (_, axis) { + axis.show = axis.options.show; + if (axis.show == null) + axis.show = axis.used; // by default an axis is visible if it's got data + + axis.reserveSpace = axis.show || axis.options.reserveSpace; + + setRange(axis); + }); + + if (showGrid) { + + var allocatedAxes = $.grep(axes, function (axis) { return axis.reserveSpace; }); + + $.each(allocatedAxes, function (_, axis) { + // make the ticks + setupTickGeneration(axis); + setTicks(axis); + snapRangeToTicks(axis, axis.ticks); + // find labelWidth/Height for axis + measureTickLabels(axis); + }); + + // with all dimensions calculated, we can compute the + // axis bounding boxes, start from the outside + // (reverse order) + for (i = allocatedAxes.length - 1; i >= 0; --i) + allocateAxisBoxFirstPhase(allocatedAxes[i]); + + // make sure we've got enough space for things that + // might stick out + adjustLayoutForThingsStickingOut(); + + $.each(allocatedAxes, function (_, axis) { + allocateAxisBoxSecondPhase(axis); + }); + } + + plotWidth = surface.width - plotOffset.left - plotOffset.right; + plotHeight = surface.height - plotOffset.bottom - plotOffset.top; + + // now we got the proper plot dimensions, we can compute the scaling + $.each(axes, function (_, axis) { + setTransformationHelpers(axis); + }); + + if (showGrid) { + drawAxisLabels(); + } + + insertLegend(); + } + + function setRange(axis) { + var opts = axis.options, + min = +(opts.min != null ? opts.min : axis.datamin), + max = +(opts.max != null ? opts.max : axis.datamax), + delta = max - min; + + if (delta == 0.0) { + // degenerate case + var widen = max == 0 ? 1 : 0.01; + + if (opts.min == null) + min -= widen; + // always widen max if we couldn't widen min to ensure we + // don't fall into min == max which doesn't work + if (opts.max == null || opts.min != null) + max += widen; + } + else { + // consider autoscaling + var margin = opts.autoscaleMargin; + if (margin != null) { + if (opts.min == null) { + min -= delta * margin; + // make sure we don't go below zero if all values + // are positive + if (min < 0 && axis.datamin != null && axis.datamin >= 0) + min = 0; + } + if (opts.max == null) { + max += delta * margin; + if (max > 0 && axis.datamax != null && axis.datamax <= 0) + max = 0; + } + } + } + axis.min = min; + axis.max = max; + } + + function setupTickGeneration(axis) { + var opts = axis.options; + + // estimate number of ticks + var noTicks; + if (typeof opts.ticks == "number" && opts.ticks > 0) + noTicks = opts.ticks; + else + // heuristic based on the model a*sqrt(x) fitted to + // some data points that seemed reasonable + noTicks = 0.3 * Math.sqrt(axis.direction == "x" ? surface.width : surface.height); + + var delta = (axis.max - axis.min) / noTicks, + dec = -Math.floor(Math.log(delta) / Math.LN10), + maxDec = opts.tickDecimals; + + if (maxDec != null && dec > maxDec) { + dec = maxDec; + } + + var magn = Math.pow(10, -dec), + norm = delta / magn, // norm is between 1.0 and 10.0 + size; + + if (norm < 1.5) { + size = 1; + } else if (norm < 3) { + size = 2; + // special case for 2.5, requires an extra decimal + if (norm > 2.25 && (maxDec == null || dec + 1 <= maxDec)) { + size = 2.5; + ++dec; + } + } else if (norm < 7.5) { + size = 5; + } else { + size = 10; + } + + size *= magn; + + if (opts.minTickSize != null && size < opts.minTickSize) { + size = opts.minTickSize; + } + + axis.delta = delta; + axis.tickDecimals = Math.max(0, maxDec != null ? maxDec : dec); + axis.tickSize = opts.tickSize || size; + + // Time mode was moved to a plug-in in 0.8, but since so many people use this + // we'll add an especially friendly make sure they remembered to include it. + + if (opts.mode == "time" && !axis.tickGenerator) { + throw new Error("Time mode requires the flot.time plugin."); + } + + // Flot supports base-10 axes; any other mode else is handled by a plug-in, + // like flot.time.js. + + if (!axis.tickGenerator) { + + axis.tickGenerator = function (axis) { + + var ticks = [], + start = floorInBase(axis.min, axis.tickSize), + i = 0, + v = Number.NaN, + prev; + + do { + prev = v; + v = start + i * axis.tickSize; + ticks.push(v); + ++i; + } while (v < axis.max && v != prev); + return ticks; + }; + + axis.tickFormatter = function (value, axis) { + + var factor = axis.tickDecimals ? Math.pow(10, axis.tickDecimals) : 1; + var formatted = "" + Math.round(value * factor) / factor; + + // If tickDecimals was specified, ensure that we have exactly that + // much precision; otherwise default to the value's own precision. + + if (axis.tickDecimals != null) { + var decimal = formatted.indexOf("."); + var precision = decimal == -1 ? 0 : formatted.length - decimal - 1; + if (precision < axis.tickDecimals) { + return (precision ? formatted : formatted + ".") + ("" + factor).substr(1, axis.tickDecimals - precision); + } + } + + return formatted; + }; + } + + if ($.isFunction(opts.tickFormatter)) + axis.tickFormatter = function (v, axis) { return "" + opts.tickFormatter(v, axis); }; + + if (opts.alignTicksWithAxis != null) { + var otherAxis = (axis.direction == "x" ? xaxes : yaxes)[opts.alignTicksWithAxis - 1]; + if (otherAxis && otherAxis.used && otherAxis != axis) { + // consider snapping min/max to outermost nice ticks + var niceTicks = axis.tickGenerator(axis); + if (niceTicks.length > 0) { + if (opts.min == null) + axis.min = Math.min(axis.min, niceTicks[0]); + if (opts.max == null && niceTicks.length > 1) + axis.max = Math.max(axis.max, niceTicks[niceTicks.length - 1]); + } + + axis.tickGenerator = function (axis) { + // copy ticks, scaled to this axis + var ticks = [], v, i; + for (i = 0; i < otherAxis.ticks.length; ++i) { + v = (otherAxis.ticks[i].v - otherAxis.min) / (otherAxis.max - otherAxis.min); + v = axis.min + v * (axis.max - axis.min); + ticks.push(v); + } + return ticks; + }; + + // we might need an extra decimal since forced + // ticks don't necessarily fit naturally + if (!axis.mode && opts.tickDecimals == null) { + var extraDec = Math.max(0, -Math.floor(Math.log(axis.delta) / Math.LN10) + 1), + ts = axis.tickGenerator(axis); + + // only proceed if the tick interval rounded + // with an extra decimal doesn't give us a + // zero at end + if (!(ts.length > 1 && /\..*0$/.test((ts[1] - ts[0]).toFixed(extraDec)))) + axis.tickDecimals = extraDec; + } + } + } + } + + function setTicks(axis) { + var oticks = axis.options.ticks, ticks = []; + if (oticks == null || (typeof oticks == "number" && oticks > 0)) + ticks = axis.tickGenerator(axis); + else if (oticks) { + if ($.isFunction(oticks)) + // generate the ticks + ticks = oticks(axis); + else + ticks = oticks; + } + + // clean up/labelify the supplied ticks, copy them over + var i, v; + axis.ticks = []; + for (i = 0; i < ticks.length; ++i) { + var label = null; + var t = ticks[i]; + if (typeof t == "object") { + v = +t[0]; + if (t.length > 1) + label = t[1]; + } + else + v = +t; + if (label == null) + label = axis.tickFormatter(v, axis); + if (!isNaN(v)) + axis.ticks.push({ v: v, label: label }); + } + } + + function snapRangeToTicks(axis, ticks) { + if (axis.options.autoscaleMargin && ticks.length > 0) { + // snap to ticks + if (axis.options.min == null) + axis.min = Math.min(axis.min, ticks[0].v); + if (axis.options.max == null && ticks.length > 1) + axis.max = Math.max(axis.max, ticks[ticks.length - 1].v); + } + } + + function draw() { + + surface.clear(); + + executeHooks(hooks.drawBackground, [ctx]); + + var grid = options.grid; + + // draw background, if any + if (grid.show && grid.backgroundColor) + drawBackground(); + + if (grid.show && !grid.aboveData) { + drawGrid(); + } + + for (var i = 0; i < series.length; ++i) { + executeHooks(hooks.drawSeries, [ctx, series[i]]); + drawSeries(series[i]); + } + + executeHooks(hooks.draw, [ctx]); + + if (grid.show && grid.aboveData) { + drawGrid(); + } + + surface.render(); + + // A draw implies that either the axes or data have changed, so we + // should probably update the overlay highlights as well. + + triggerRedrawOverlay(); + } + + function extractRange(ranges, coord) { + var axis, from, to, key, axes = allAxes(); + + for (var i = 0; i < axes.length; ++i) { + axis = axes[i]; + if (axis.direction == coord) { + key = coord + axis.n + "axis"; + if (!ranges[key] && axis.n == 1) + key = coord + "axis"; // support x1axis as xaxis + if (ranges[key]) { + from = ranges[key].from; + to = ranges[key].to; + break; + } + } + } + + // backwards-compat stuff - to be removed in future + if (!ranges[key]) { + axis = coord == "x" ? xaxes[0] : yaxes[0]; + from = ranges[coord + "1"]; + to = ranges[coord + "2"]; + } + + // auto-reverse as an added bonus + if (from != null && to != null && from > to) { + var tmp = from; + from = to; + to = tmp; + } + + return { from: from, to: to, axis: axis }; + } + + function drawBackground() { + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + ctx.fillStyle = getColorOrGradient(options.grid.backgroundColor, plotHeight, 0, "rgba(255, 255, 255, 0)"); + ctx.fillRect(0, 0, plotWidth, plotHeight); + ctx.restore(); + } + + function drawGrid() { + var i, axes, bw, bc; + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + // draw markings + var markings = options.grid.markings; + if (markings) { + if ($.isFunction(markings)) { + axes = plot.getAxes(); + // xmin etc. is backwards compatibility, to be + // removed in the future + axes.xmin = axes.xaxis.min; + axes.xmax = axes.xaxis.max; + axes.ymin = axes.yaxis.min; + axes.ymax = axes.yaxis.max; + + markings = markings(axes); + } + + for (i = 0; i < markings.length; ++i) { + var m = markings[i], + xrange = extractRange(m, "x"), + yrange = extractRange(m, "y"); + + // fill in missing + if (xrange.from == null) + xrange.from = xrange.axis.min; + if (xrange.to == null) + xrange.to = xrange.axis.max; + if (yrange.from == null) + yrange.from = yrange.axis.min; + if (yrange.to == null) + yrange.to = yrange.axis.max; + + // clip + if (xrange.to < xrange.axis.min || xrange.from > xrange.axis.max || + yrange.to < yrange.axis.min || yrange.from > yrange.axis.max) + continue; + + xrange.from = Math.max(xrange.from, xrange.axis.min); + xrange.to = Math.min(xrange.to, xrange.axis.max); + yrange.from = Math.max(yrange.from, yrange.axis.min); + yrange.to = Math.min(yrange.to, yrange.axis.max); + + if (xrange.from == xrange.to && yrange.from == yrange.to) + continue; + + // then draw + xrange.from = xrange.axis.p2c(xrange.from); + xrange.to = xrange.axis.p2c(xrange.to); + yrange.from = yrange.axis.p2c(yrange.from); + yrange.to = yrange.axis.p2c(yrange.to); + + if (xrange.from == xrange.to || yrange.from == yrange.to) { + // draw line + ctx.beginPath(); + ctx.strokeStyle = m.color || options.grid.markingsColor; + ctx.lineWidth = m.lineWidth || options.grid.markingsLineWidth; + ctx.moveTo(xrange.from, yrange.from); + ctx.lineTo(xrange.to, yrange.to); + ctx.stroke(); + } + else { + // fill area + ctx.fillStyle = m.color || options.grid.markingsColor; + ctx.fillRect(xrange.from, yrange.to, + xrange.to - xrange.from, + yrange.from - yrange.to); + } + } + } + + // draw the ticks + axes = allAxes(); + bw = options.grid.borderWidth; + + for (var j = 0; j < axes.length; ++j) { + var axis = axes[j], box = axis.box, + t = axis.tickLength, x, y, xoff, yoff; + if (!axis.show || axis.ticks.length == 0) + continue; + + ctx.lineWidth = 1; + + // find the edges + if (axis.direction == "x") { + x = 0; + if (t == "full") + y = (axis.position == "top" ? 0 : plotHeight); + else + y = box.top - plotOffset.top + (axis.position == "top" ? box.height : 0); + } + else { + y = 0; + if (t == "full") + x = (axis.position == "left" ? 0 : plotWidth); + else + x = box.left - plotOffset.left + (axis.position == "left" ? box.width : 0); + } + + // draw tick bar + if (!axis.innermost) { + ctx.strokeStyle = axis.options.color; + ctx.beginPath(); + xoff = yoff = 0; + if (axis.direction == "x") + xoff = plotWidth + 1; + else + yoff = plotHeight + 1; + + if (ctx.lineWidth == 1) { + if (axis.direction == "x") { + y = Math.floor(y) + 0.5; + } else { + x = Math.floor(x) + 0.5; + } + } + + ctx.moveTo(x, y); + ctx.lineTo(x + xoff, y + yoff); + ctx.stroke(); + } + + // draw ticks + + ctx.strokeStyle = axis.options.tickColor; + + ctx.beginPath(); + for (i = 0; i < axis.ticks.length; ++i) { + var v = axis.ticks[i].v; + + xoff = yoff = 0; + + if (isNaN(v) || v < axis.min || v > axis.max + // skip those lying on the axes if we got a border + || (t == "full" + && ((typeof bw == "object" && bw[axis.position] > 0) || bw > 0) + && (v == axis.min || v == axis.max))) + continue; + + if (axis.direction == "x") { + x = axis.p2c(v); + yoff = t == "full" ? -plotHeight : t; + + if (axis.position == "top") + yoff = -yoff; + } + else { + y = axis.p2c(v); + xoff = t == "full" ? -plotWidth : t; + + if (axis.position == "left") + xoff = -xoff; + } + + if (ctx.lineWidth == 1) { + if (axis.direction == "x") + x = Math.floor(x) + 0.5; + else + y = Math.floor(y) + 0.5; + } + + ctx.moveTo(x, y); + ctx.lineTo(x + xoff, y + yoff); + } + + ctx.stroke(); + } + + + // draw border + if (bw) { + // If either borderWidth or borderColor is an object, then draw the border + // line by line instead of as one rectangle + bc = options.grid.borderColor; + if(typeof bw == "object" || typeof bc == "object") { + if (typeof bw !== "object") { + bw = {top: bw, right: bw, bottom: bw, left: bw}; + } + if (typeof bc !== "object") { + bc = {top: bc, right: bc, bottom: bc, left: bc}; + } + + if (bw.top > 0) { + ctx.strokeStyle = bc.top; + ctx.lineWidth = bw.top; + ctx.beginPath(); + ctx.moveTo(0 - bw.left, 0 - bw.top/2); + ctx.lineTo(plotWidth, 0 - bw.top/2); + ctx.stroke(); + } + + if (bw.right > 0) { + ctx.strokeStyle = bc.right; + ctx.lineWidth = bw.right; + ctx.beginPath(); + ctx.moveTo(plotWidth + bw.right / 2, 0 - bw.top); + ctx.lineTo(plotWidth + bw.right / 2, plotHeight); + ctx.stroke(); + } + + if (bw.bottom > 0) { + ctx.strokeStyle = bc.bottom; + ctx.lineWidth = bw.bottom; + ctx.beginPath(); + ctx.moveTo(plotWidth + bw.right, plotHeight + bw.bottom / 2); + ctx.lineTo(0, plotHeight + bw.bottom / 2); + ctx.stroke(); + } + + if (bw.left > 0) { + ctx.strokeStyle = bc.left; + ctx.lineWidth = bw.left; + ctx.beginPath(); + ctx.moveTo(0 - bw.left/2, plotHeight + bw.bottom); + ctx.lineTo(0- bw.left/2, 0); + ctx.stroke(); + } + } + else { + ctx.lineWidth = bw; + ctx.strokeStyle = options.grid.borderColor; + ctx.strokeRect(-bw/2, -bw/2, plotWidth + bw, plotHeight + bw); + } + } + + ctx.restore(); + } + + function drawAxisLabels() { + + $.each(allAxes(), function (_, axis) { + var box = axis.box, + legacyStyles = axis.direction + "Axis " + axis.direction + axis.n + "Axis", + layer = "flot-" + axis.direction + "-axis flot-" + axis.direction + axis.n + "-axis " + legacyStyles, + font = axis.options.font || "flot-tick-label tickLabel", + tick, x, y, halign, valign; + + // Remove text before checking for axis.show and ticks.length; + // otherwise plugins, like flot-tickrotor, that draw their own + // tick labels will end up with both theirs and the defaults. + + surface.removeText(layer); + + if (!axis.show || axis.ticks.length == 0) + return; + + for (var i = 0; i < axis.ticks.length; ++i) { + + tick = axis.ticks[i]; + if (!tick.label || tick.v < axis.min || tick.v > axis.max) + continue; + + if (axis.direction == "x") { + halign = "center"; + x = plotOffset.left + axis.p2c(tick.v); + if (axis.position == "bottom") { + y = box.top + box.padding; + } else { + y = box.top + box.height - box.padding; + valign = "bottom"; + } + } else { + valign = "middle"; + y = plotOffset.top + axis.p2c(tick.v); + if (axis.position == "left") { + x = box.left + box.width - box.padding; + halign = "right"; + } else { + x = box.left + box.padding; + } + } + + surface.addText(layer, x, y, tick.label, font, null, null, halign, valign); + } + }); + } + + function drawSeries(series) { + if (series.lines.show) + drawSeriesLines(series); + if (series.bars.show) + drawSeriesBars(series); + if (series.points.show) + drawSeriesPoints(series); + } + + function drawSeriesLines(series) { + function plotLine(datapoints, xoffset, yoffset, axisx, axisy) { + var points = datapoints.points, + ps = datapoints.pointsize, + prevx = null, prevy = null; + + ctx.beginPath(); + for (var i = ps; i < points.length; i += ps) { + var x1 = points[i - ps], y1 = points[i - ps + 1], + x2 = points[i], y2 = points[i + 1]; + + if (x1 == null || x2 == null) + continue; + + // clip with ymin + if (y1 <= y2 && y1 < axisy.min) { + if (y2 < axisy.min) + continue; // line segment is outside + // compute new intersection point + x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; + y1 = axisy.min; + } + else if (y2 <= y1 && y2 < axisy.min) { + if (y1 < axisy.min) + continue; + x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; + y2 = axisy.min; + } + + // clip with ymax + if (y1 >= y2 && y1 > axisy.max) { + if (y2 > axisy.max) + continue; + x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; + y1 = axisy.max; + } + else if (y2 >= y1 && y2 > axisy.max) { + if (y1 > axisy.max) + continue; + x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; + y2 = axisy.max; + } + + // clip with xmin + if (x1 <= x2 && x1 < axisx.min) { + if (x2 < axisx.min) + continue; + y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; + x1 = axisx.min; + } + else if (x2 <= x1 && x2 < axisx.min) { + if (x1 < axisx.min) + continue; + y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; + x2 = axisx.min; + } + + // clip with xmax + if (x1 >= x2 && x1 > axisx.max) { + if (x2 > axisx.max) + continue; + y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; + x1 = axisx.max; + } + else if (x2 >= x1 && x2 > axisx.max) { + if (x1 > axisx.max) + continue; + y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; + x2 = axisx.max; + } + + if (x1 != prevx || y1 != prevy) + ctx.moveTo(axisx.p2c(x1) + xoffset, axisy.p2c(y1) + yoffset); + + prevx = x2; + prevy = y2; + ctx.lineTo(axisx.p2c(x2) + xoffset, axisy.p2c(y2) + yoffset); + } + ctx.stroke(); + } + + function plotLineArea(datapoints, axisx, axisy) { + var points = datapoints.points, + ps = datapoints.pointsize, + bottom = Math.min(Math.max(0, axisy.min), axisy.max), + i = 0, top, areaOpen = false, + ypos = 1, segmentStart = 0, segmentEnd = 0; + + // we process each segment in two turns, first forward + // direction to sketch out top, then once we hit the + // end we go backwards to sketch the bottom + while (true) { + if (ps > 0 && i > points.length + ps) + break; + + i += ps; // ps is negative if going backwards + + var x1 = points[i - ps], + y1 = points[i - ps + ypos], + x2 = points[i], y2 = points[i + ypos]; + + if (areaOpen) { + if (ps > 0 && x1 != null && x2 == null) { + // at turning point + segmentEnd = i; + ps = -ps; + ypos = 2; + continue; + } + + if (ps < 0 && i == segmentStart + ps) { + // done with the reverse sweep + ctx.fill(); + areaOpen = false; + ps = -ps; + ypos = 1; + i = segmentStart = segmentEnd + ps; + continue; + } + } + + if (x1 == null || x2 == null) + continue; + + // clip x values + + // clip with xmin + if (x1 <= x2 && x1 < axisx.min) { + if (x2 < axisx.min) + continue; + y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; + x1 = axisx.min; + } + else if (x2 <= x1 && x2 < axisx.min) { + if (x1 < axisx.min) + continue; + y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; + x2 = axisx.min; + } + + // clip with xmax + if (x1 >= x2 && x1 > axisx.max) { + if (x2 > axisx.max) + continue; + y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; + x1 = axisx.max; + } + else if (x2 >= x1 && x2 > axisx.max) { + if (x1 > axisx.max) + continue; + y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; + x2 = axisx.max; + } + + if (!areaOpen) { + // open area + ctx.beginPath(); + ctx.moveTo(axisx.p2c(x1), axisy.p2c(bottom)); + areaOpen = true; + } + + // now first check the case where both is outside + if (y1 >= axisy.max && y2 >= axisy.max) { + ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.max)); + ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.max)); + continue; + } + else if (y1 <= axisy.min && y2 <= axisy.min) { + ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.min)); + ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.min)); + continue; + } + + // else it's a bit more complicated, there might + // be a flat maxed out rectangle first, then a + // triangular cutout or reverse; to find these + // keep track of the current x values + var x1old = x1, x2old = x2; + + // clip the y values, without shortcutting, we + // go through all cases in turn + + // clip with ymin + if (y1 <= y2 && y1 < axisy.min && y2 >= axisy.min) { + x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; + y1 = axisy.min; + } + else if (y2 <= y1 && y2 < axisy.min && y1 >= axisy.min) { + x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; + y2 = axisy.min; + } + + // clip with ymax + if (y1 >= y2 && y1 > axisy.max && y2 <= axisy.max) { + x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; + y1 = axisy.max; + } + else if (y2 >= y1 && y2 > axisy.max && y1 <= axisy.max) { + x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; + y2 = axisy.max; + } + + // if the x value was changed we got a rectangle + // to fill + if (x1 != x1old) { + ctx.lineTo(axisx.p2c(x1old), axisy.p2c(y1)); + // it goes to (x1, y1), but we fill that below + } + + // fill triangular section, this sometimes result + // in redundant points if (x1, y1) hasn't changed + // from previous line to, but we just ignore that + ctx.lineTo(axisx.p2c(x1), axisy.p2c(y1)); + ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2)); + + // fill the other rectangle if it's there + if (x2 != x2old) { + ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2)); + ctx.lineTo(axisx.p2c(x2old), axisy.p2c(y2)); + } + } + } + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + ctx.lineJoin = "round"; + + var lw = series.lines.lineWidth, + sw = series.shadowSize; + // FIXME: consider another form of shadow when filling is turned on + if (lw > 0 && sw > 0) { + // draw shadow as a thick and thin line with transparency + ctx.lineWidth = sw; + ctx.strokeStyle = "rgba(0,0,0,0.1)"; + // position shadow at angle from the mid of line + var angle = Math.PI/18; + plotLine(series.datapoints, Math.sin(angle) * (lw/2 + sw/2), Math.cos(angle) * (lw/2 + sw/2), series.xaxis, series.yaxis); + ctx.lineWidth = sw/2; + plotLine(series.datapoints, Math.sin(angle) * (lw/2 + sw/4), Math.cos(angle) * (lw/2 + sw/4), series.xaxis, series.yaxis); + } + + ctx.lineWidth = lw; + ctx.strokeStyle = series.color; + var fillStyle = getFillStyle(series.lines, series.color, 0, plotHeight); + if (fillStyle) { + ctx.fillStyle = fillStyle; + plotLineArea(series.datapoints, series.xaxis, series.yaxis); + } + + if (lw > 0) + plotLine(series.datapoints, 0, 0, series.xaxis, series.yaxis); + ctx.restore(); + } + + function drawSeriesPoints(series) { + function plotPoints(datapoints, radius, fillStyle, offset, shadow, axisx, axisy, symbol) { + var points = datapoints.points, ps = datapoints.pointsize; + + for (var i = 0; i < points.length; i += ps) { + var x = points[i], y = points[i + 1]; + if (x == null || x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max) + continue; + + ctx.beginPath(); + x = axisx.p2c(x); + y = axisy.p2c(y) + offset; + if (symbol == "circle") + ctx.arc(x, y, radius, 0, shadow ? Math.PI : Math.PI * 2, false); + else + symbol(ctx, x, y, radius, shadow); + ctx.closePath(); + + if (fillStyle) { + ctx.fillStyle = fillStyle; + ctx.fill(); + } + ctx.stroke(); + } + } + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + var lw = series.points.lineWidth, + sw = series.shadowSize, + radius = series.points.radius, + symbol = series.points.symbol; + + // If the user sets the line width to 0, we change it to a very + // small value. A line width of 0 seems to force the default of 1. + // Doing the conditional here allows the shadow setting to still be + // optional even with a lineWidth of 0. + + if( lw == 0 ) + lw = 0.0001; + + if (lw > 0 && sw > 0) { + // draw shadow in two steps + var w = sw / 2; + ctx.lineWidth = w; + ctx.strokeStyle = "rgba(0,0,0,0.1)"; + plotPoints(series.datapoints, radius, null, w + w/2, true, + series.xaxis, series.yaxis, symbol); + + ctx.strokeStyle = "rgba(0,0,0,0.2)"; + plotPoints(series.datapoints, radius, null, w/2, true, + series.xaxis, series.yaxis, symbol); + } + + ctx.lineWidth = lw; + ctx.strokeStyle = series.color; + plotPoints(series.datapoints, radius, + getFillStyle(series.points, series.color), 0, false, + series.xaxis, series.yaxis, symbol); + ctx.restore(); + } + + function drawBar(x, y, b, barLeft, barRight, fillStyleCallback, axisx, axisy, c, horizontal, lineWidth) { + var left, right, bottom, top, + drawLeft, drawRight, drawTop, drawBottom, + tmp; + + // in horizontal mode, we start the bar from the left + // instead of from the bottom so it appears to be + // horizontal rather than vertical + if (horizontal) { + drawBottom = drawRight = drawTop = true; + drawLeft = false; + left = b; + right = x; + top = y + barLeft; + bottom = y + barRight; + + // account for negative bars + if (right < left) { + tmp = right; + right = left; + left = tmp; + drawLeft = true; + drawRight = false; + } + } + else { + drawLeft = drawRight = drawTop = true; + drawBottom = false; + left = x + barLeft; + right = x + barRight; + bottom = b; + top = y; + + // account for negative bars + if (top < bottom) { + tmp = top; + top = bottom; + bottom = tmp; + drawBottom = true; + drawTop = false; + } + } + + // clip + if (right < axisx.min || left > axisx.max || + top < axisy.min || bottom > axisy.max) + return; + + if (left < axisx.min) { + left = axisx.min; + drawLeft = false; + } + + if (right > axisx.max) { + right = axisx.max; + drawRight = false; + } + + if (bottom < axisy.min) { + bottom = axisy.min; + drawBottom = false; + } + + if (top > axisy.max) { + top = axisy.max; + drawTop = false; + } + + left = axisx.p2c(left); + bottom = axisy.p2c(bottom); + right = axisx.p2c(right); + top = axisy.p2c(top); + + // fill the bar + if (fillStyleCallback) { + c.fillStyle = fillStyleCallback(bottom, top); + c.fillRect(left, top, right - left, bottom - top) + } + + // draw outline + if (lineWidth > 0 && (drawLeft || drawRight || drawTop || drawBottom)) { + c.beginPath(); + + // FIXME: inline moveTo is buggy with excanvas + c.moveTo(left, bottom); + if (drawLeft) + c.lineTo(left, top); + else + c.moveTo(left, top); + if (drawTop) + c.lineTo(right, top); + else + c.moveTo(right, top); + if (drawRight) + c.lineTo(right, bottom); + else + c.moveTo(right, bottom); + if (drawBottom) + c.lineTo(left, bottom); + else + c.moveTo(left, bottom); + c.stroke(); + } + } + + function drawSeriesBars(series) { + function plotBars(datapoints, barLeft, barRight, fillStyleCallback, axisx, axisy) { + var points = datapoints.points, ps = datapoints.pointsize; + + for (var i = 0; i < points.length; i += ps) { + if (points[i] == null) + continue; + drawBar(points[i], points[i + 1], points[i + 2], barLeft, barRight, fillStyleCallback, axisx, axisy, ctx, series.bars.horizontal, series.bars.lineWidth); + } + } + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + // FIXME: figure out a way to add shadows (for instance along the right edge) + ctx.lineWidth = series.bars.lineWidth; + ctx.strokeStyle = series.color; + + var barLeft; + + switch (series.bars.align) { + case "left": + barLeft = 0; + break; + case "right": + barLeft = -series.bars.barWidth; + break; + default: + barLeft = -series.bars.barWidth / 2; + } + + var fillStyleCallback = series.bars.fill ? function (bottom, top) { return getFillStyle(series.bars, series.color, bottom, top); } : null; + plotBars(series.datapoints, barLeft, barLeft + series.bars.barWidth, fillStyleCallback, series.xaxis, series.yaxis); + ctx.restore(); + } + + function getFillStyle(filloptions, seriesColor, bottom, top) { + var fill = filloptions.fill; + if (!fill) + return null; + + if (filloptions.fillColor) + return getColorOrGradient(filloptions.fillColor, bottom, top, seriesColor); + + var c = $.color.parse(seriesColor); + c.a = typeof fill == "number" ? fill : 0.4; + c.normalize(); + return c.toString(); + } + + function insertLegend() { + + if (options.legend.container != null) { + $(options.legend.container).html(""); + } else { + placeholder.find(".legend").remove(); + } + + if (!options.legend.show) { + return; + } + + var fragments = [], entries = [], rowStarted = false, + lf = options.legend.labelFormatter, s, label; + + // Build a list of legend entries, with each having a label and a color + + for (var i = 0; i < series.length; ++i) { + s = series[i]; + if (s.label) { + label = lf ? lf(s.label, s) : s.label; + if (label) { + entries.push({ + label: label, + color: s.color + }); + } + } + } + + // Sort the legend using either the default or a custom comparator + + if (options.legend.sorted) { + if ($.isFunction(options.legend.sorted)) { + entries.sort(options.legend.sorted); + } else if (options.legend.sorted == "reverse") { + entries.reverse(); + } else { + var ascending = options.legend.sorted != "descending"; + entries.sort(function(a, b) { + return a.label == b.label ? 0 : ( + (a.label < b.label) != ascending ? 1 : -1 // Logical XOR + ); + }); + } + } + + // Generate markup for the list of entries, in their final order + + for (var i = 0; i < entries.length; ++i) { + + var entry = entries[i]; + + if (i % options.legend.noColumns == 0) { + if (rowStarted) + fragments.push('</tr>'); + fragments.push('<tr>'); + rowStarted = true; + } + + fragments.push( + '<td class="legendColorBox"><div style="border:1px solid ' + options.legend.labelBoxBorderColor + ';padding:1px"><div style="width:4px;height:0;border:5px solid ' + entry.color + ';overflow:hidden"></div></div></td>' + + '<td class="legendLabel">' + entry.label + '</td>' + ); + } + + if (rowStarted) + fragments.push('</tr>'); + + if (fragments.length == 0) + return; + + var table = '<table style="font-size:smaller;color:' + options.grid.color + '">' + fragments.join("") + '</table>'; + if (options.legend.container != null) + $(options.legend.container).html(table); + else { + var pos = "", + p = options.legend.position, + m = options.legend.margin; + if (m[0] == null) + m = [m, m]; + if (p.charAt(0) == "n") + pos += 'top:' + (m[1] + plotOffset.top) + 'px;'; + else if (p.charAt(0) == "s") + pos += 'bottom:' + (m[1] + plotOffset.bottom) + 'px;'; + if (p.charAt(1) == "e") + pos += 'right:' + (m[0] + plotOffset.right) + 'px;'; + else if (p.charAt(1) == "w") + pos += 'left:' + (m[0] + plotOffset.left) + 'px;'; + var legend = $('<div class="legend">' + table.replace('style="', 'style="position:absolute;' + pos +';') + '</div>').appendTo(placeholder); + if (options.legend.backgroundOpacity != 0.0) { + // put in the transparent background + // separately to avoid blended labels and + // label boxes + var c = options.legend.backgroundColor; + if (c == null) { + c = options.grid.backgroundColor; + if (c && typeof c == "string") + c = $.color.parse(c); + else + c = $.color.extract(legend, 'background-color'); + c.a = 1; + c = c.toString(); + } + var div = legend.children(); + $('<div style="position:absolute;width:' + div.width() + 'px;height:' + div.height() + 'px;' + pos +'background-color:' + c + ';"> </div>').prependTo(legend).css('opacity', options.legend.backgroundOpacity); + } + } + } + + + // interactive features + + var highlights = [], + redrawTimeout = null; + + // returns the data item the mouse is over, or null if none is found + function findNearbyItem(mouseX, mouseY, seriesFilter) { + var maxDistance = options.grid.mouseActiveRadius, + smallestDistance = maxDistance * maxDistance + 1, + item = null, foundPoint = false, i, j, ps; + + for (i = series.length - 1; i >= 0; --i) { + if (!seriesFilter(series[i])) + continue; + + var s = series[i], + axisx = s.xaxis, + axisy = s.yaxis, + points = s.datapoints.points, + mx = axisx.c2p(mouseX), // precompute some stuff to make the loop faster + my = axisy.c2p(mouseY), + maxx = maxDistance / axisx.scale, + maxy = maxDistance / axisy.scale; + + ps = s.datapoints.pointsize; + // with inverse transforms, we can't use the maxx/maxy + // optimization, sadly + if (axisx.options.inverseTransform) + maxx = Number.MAX_VALUE; + if (axisy.options.inverseTransform) + maxy = Number.MAX_VALUE; + + if (s.lines.show || s.points.show) { + for (j = 0; j < points.length; j += ps) { + var x = points[j], y = points[j + 1]; + if (x == null) + continue; + + // For points and lines, the cursor must be within a + // certain distance to the data point + if (x - mx > maxx || x - mx < -maxx || + y - my > maxy || y - my < -maxy) + continue; + + // We have to calculate distances in pixels, not in + // data units, because the scales of the axes may be different + var dx = Math.abs(axisx.p2c(x) - mouseX), + dy = Math.abs(axisy.p2c(y) - mouseY), + dist = dx * dx + dy * dy; // we save the sqrt + + // use <= to ensure last point takes precedence + // (last generally means on top of) + if (dist < smallestDistance) { + smallestDistance = dist; + item = [i, j / ps]; + } + } + } + + if (s.bars.show && !item) { // no other point can be nearby + + var barLeft, barRight; + + switch (s.bars.align) { + case "left": + barLeft = 0; + break; + case "right": + barLeft = -s.bars.barWidth; + break; + default: + barLeft = -s.bars.barWidth / 2; + } + + barRight = barLeft + s.bars.barWidth; + + for (j = 0; j < points.length; j += ps) { + var x = points[j], y = points[j + 1], b = points[j + 2]; + if (x == null) + continue; + + // for a bar graph, the cursor must be inside the bar + if (series[i].bars.horizontal ? + (mx <= Math.max(b, x) && mx >= Math.min(b, x) && + my >= y + barLeft && my <= y + barRight) : + (mx >= x + barLeft && mx <= x + barRight && + my >= Math.min(b, y) && my <= Math.max(b, y))) + item = [i, j / ps]; + } + } + } + + if (item) { + i = item[0]; + j = item[1]; + ps = series[i].datapoints.pointsize; + + return { datapoint: series[i].datapoints.points.slice(j * ps, (j + 1) * ps), + dataIndex: j, + series: series[i], + seriesIndex: i }; + } + + return null; + } + + function onMouseMove(e) { + if (options.grid.hoverable) + triggerClickHoverEvent("plothover", e, + function (s) { return s["hoverable"] != false; }); + } + + function onMouseLeave(e) { + if (options.grid.hoverable) + triggerClickHoverEvent("plothover", e, + function (s) { return false; }); + } + + function onClick(e) { + triggerClickHoverEvent("plotclick", e, + function (s) { return s["clickable"] != false; }); + } + + // trigger click or hover event (they send the same parameters + // so we share their code) + function triggerClickHoverEvent(eventname, event, seriesFilter) { + var offset = eventHolder.offset(), + canvasX = event.pageX - offset.left - plotOffset.left, + canvasY = event.pageY - offset.top - plotOffset.top, + pos = canvasToAxisCoords({ left: canvasX, top: canvasY }); + + pos.pageX = event.pageX; + pos.pageY = event.pageY; + + var item = findNearbyItem(canvasX, canvasY, seriesFilter); + + if (item) { + // fill in mouse pos for any listeners out there + item.pageX = parseInt(item.series.xaxis.p2c(item.datapoint[0]) + offset.left + plotOffset.left, 10); + item.pageY = parseInt(item.series.yaxis.p2c(item.datapoint[1]) + offset.top + plotOffset.top, 10); + } + + if (options.grid.autoHighlight) { + // clear auto-highlights + for (var i = 0; i < highlights.length; ++i) { + var h = highlights[i]; + if (h.auto == eventname && + !(item && h.series == item.series && + h.point[0] == item.datapoint[0] && + h.point[1] == item.datapoint[1])) + unhighlight(h.series, h.point); + } + + if (item) + highlight(item.series, item.datapoint, eventname); + } + + placeholder.trigger(eventname, [ pos, item ]); + } + + function triggerRedrawOverlay() { + var t = options.interaction.redrawOverlayInterval; + if (t == -1) { // skip event queue + drawOverlay(); + return; + } + + if (!redrawTimeout) + redrawTimeout = setTimeout(drawOverlay, t); + } + + function drawOverlay() { + redrawTimeout = null; + + // draw highlights + octx.save(); + overlay.clear(); + octx.translate(plotOffset.left, plotOffset.top); + + var i, hi; + for (i = 0; i < highlights.length; ++i) { + hi = highlights[i]; + + if (hi.series.bars.show) + drawBarHighlight(hi.series, hi.point); + else + drawPointHighlight(hi.series, hi.point); + } + octx.restore(); + + executeHooks(hooks.drawOverlay, [octx]); + } + + function highlight(s, point, auto) { + if (typeof s == "number") + s = series[s]; + + if (typeof point == "number") { + var ps = s.datapoints.pointsize; + point = s.datapoints.points.slice(ps * point, ps * (point + 1)); + } + + var i = indexOfHighlight(s, point); + if (i == -1) { + highlights.push({ series: s, point: point, auto: auto }); + + triggerRedrawOverlay(); + } + else if (!auto) + highlights[i].auto = false; + } + + function unhighlight(s, point) { + if (s == null && point == null) { + highlights = []; + triggerRedrawOverlay(); + return; + } + + if (typeof s == "number") + s = series[s]; + + if (typeof point == "number") { + var ps = s.datapoints.pointsize; + point = s.datapoints.points.slice(ps * point, ps * (point + 1)); + } + + var i = indexOfHighlight(s, point); + if (i != -1) { + highlights.splice(i, 1); + + triggerRedrawOverlay(); + } + } + + function indexOfHighlight(s, p) { + for (var i = 0; i < highlights.length; ++i) { + var h = highlights[i]; + if (h.series == s && h.point[0] == p[0] + && h.point[1] == p[1]) + return i; + } + return -1; + } + + function drawPointHighlight(series, point) { + var x = point[0], y = point[1], + axisx = series.xaxis, axisy = series.yaxis, + highlightColor = (typeof series.highlightColor === "string") ? series.highlightColor : $.color.parse(series.color).scale('a', 0.5).toString(); + + if (x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max) + return; + + var pointRadius = series.points.radius + series.points.lineWidth / 2; + octx.lineWidth = pointRadius; + octx.strokeStyle = highlightColor; + var radius = 1.5 * pointRadius; + x = axisx.p2c(x); + y = axisy.p2c(y); + + octx.beginPath(); + if (series.points.symbol == "circle") + octx.arc(x, y, radius, 0, 2 * Math.PI, false); + else + series.points.symbol(octx, x, y, radius, false); + octx.closePath(); + octx.stroke(); + } + + function drawBarHighlight(series, point) { + var highlightColor = (typeof series.highlightColor === "string") ? series.highlightColor : $.color.parse(series.color).scale('a', 0.5).toString(), + fillStyle = highlightColor, + barLeft; + + switch (series.bars.align) { + case "left": + barLeft = 0; + break; + case "right": + barLeft = -series.bars.barWidth; + break; + default: + barLeft = -series.bars.barWidth / 2; + } + + octx.lineWidth = series.bars.lineWidth; + octx.strokeStyle = highlightColor; + + drawBar(point[0], point[1], point[2] || 0, barLeft, barLeft + series.bars.barWidth, + function () { return fillStyle; }, series.xaxis, series.yaxis, octx, series.bars.horizontal, series.bars.lineWidth); + } + + function getColorOrGradient(spec, bottom, top, defaultColor) { + if (typeof spec == "string") + return spec; + else { + // assume this is a gradient spec; IE currently only + // supports a simple vertical gradient properly, so that's + // what we support too + var gradient = ctx.createLinearGradient(0, top, 0, bottom); + + for (var i = 0, l = spec.colors.length; i < l; ++i) { + var c = spec.colors[i]; + if (typeof c != "string") { + var co = $.color.parse(defaultColor); + if (c.brightness != null) + co = co.scale('rgb', c.brightness); + if (c.opacity != null) + co.a *= c.opacity; + c = co.toString(); + } + gradient.addColorStop(i / (l - 1), c); + } + + return gradient; + } + } + } + + // Add the plot function to the top level of the jQuery object + + $.plot = function(placeholder, data, options) { + //var t0 = new Date(); + var plot = new Plot($(placeholder), data, options, $.plot.plugins); + //(window.console ? console.log : alert)("time used (msecs): " + ((new Date()).getTime() - t0.getTime())); + return plot; + }; + + $.plot.version = "0.8.2"; + + $.plot.plugins = []; + + // Also add the plot function as a chainable property + + $.fn.plot = function(data, options) { + return this.each(function() { + $.plot(this, data, options); + }); + }; + + // round to nearby lower multiple of base + function floorInBase(n, base) { + return base * Math.floor(n / base); + } + +})(jQuery); diff --git a/lava_scheduler_app/static/lava_scheduler_app/js/shCore.js b/lava_scheduler_app/static/lava_scheduler_app/js/shCore.js index efe8d5a31..27ce438d8 100644 --- a/lava_scheduler_app/static/lava_scheduler_app/js/shCore.js +++ 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This is used to contain local scope variables without polutting global scope. +// +var SyntaxHighlighter = function() { + +// CommonJS +if (typeof(require) != 'undefined' && typeof(XRegExp) == 'undefined') +{ + XRegExp = require('XRegExp').XRegExp; +} + +// Shortcut object which will be assigned to the SyntaxHighlighter variable. +// This is a shorthand for local reference in order to avoid long namespace +// references to SyntaxHighlighter.whatever... +var sh = { + defaults : { + /** Additional CSS class names to be added to highlighter elements. */ + 'class-name' : '', + + /** First line number. */ + 'first-line' : 1, + + /** + * Pads line numbers. Possible values are: + * + * false - don't pad line numbers. + * true - automaticaly pad numbers with minimum required number of leading zeroes. + * [int] - length up to which pad line numbers. + */ + 'pad-line-numbers' : false, + + /** Lines to highlight. */ + 'highlight' : null, + + /** Title to be displayed above the code block. */ + 'title' : null, + + /** Enables or disables smart tabs. */ + 'smart-tabs' : true, + + /** Gets or sets tab size. */ + 'tab-size' : 4, + + /** Enables or disables gutter. */ + 'gutter' : true, + + /** Enables or disables toolbar. */ + 'toolbar' : true, + + /** Enables quick code copy and paste from double click. */ + 'quick-code' : true, + + /** Forces code view to be collapsed. */ + 'collapse' : false, + + /** Enables or disables automatic links. */ + 'auto-links' : true, + + /** Gets or sets light mode. Equavalent to turning off gutter and toolbar. */ + 'light' : false, + + 'html-script' : false + }, + + config : { + space : ' ', + + /** Enables use of <SCRIPT type="syntaxhighlighter" /> tags. */ + useScriptTags : true, + + /** Blogger mode flag. */ + bloggerMode : false, + + stripBrs : false, + + /** Name of the tag that SyntaxHighlighter will automatically look for. */ + tagName : 'pre', + + strings : { + expandSource : 'expand source', + help : '?', + alert: 'SyntaxHighlighter\n\n', + noBrush : 'Can\'t find brush for: ', + brushNotHtmlScript : 'Brush wasn\'t configured for html-script option: ', + + // this is populated by the build script + aboutDialog : '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>About SyntaxHighlighter</title></head><body style="font-family:Geneva,Arial,Helvetica,sans-serif;background-color:#fff;color:#000;font-size:1em;text-align:center;"><div style="text-align:center;margin-top:1.5em;"><div style="font-size:xx-large;">SyntaxHighlighter</div><div style="font-size:.75em;margin-bottom:3em;"><div>version 3.0.83 (July 02 2010)</div><div><a href="http://alexgorbatchev.com/SyntaxHighlighter" target="_blank" style="color:#005896">http://alexgorbatchev.com/SyntaxHighlighter</a></div><div>JavaScript code syntax highlighter.</div><div>Copyright 2004-2010 Alex Gorbatchev.</div></div><div>If you like this script, please <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=2930402" style="color:#005896">donate</a> to <br/>keep development active!</div></div></body></html>' + } + }, + + /** Internal 'global' variables. */ + vars : { + discoveredBrushes : null, + highlighters : {} + }, + + /** This object is populated by user included external brush files. */ + brushes : {}, + + /** Common regular expressions. */ + regexLib : { + multiLineCComments : /\/\*[\s\S]*?\*\//gm, + singleLineCComments : /\/\/.*$/gm, + singleLinePerlComments : /#.*$/gm, + doubleQuotedString : /"([^\\"\n]|\\.)*"/g, + singleQuotedString : /'([^\\'\n]|\\.)*'/g, + multiLineDoubleQuotedString : new XRegExp('"([^\\\\"]|\\\\.)*"', 'gs'), + multiLineSingleQuotedString : new XRegExp("'([^\\\\']|\\\\.)*'", 'gs'), + xmlComments : /(<|<)!--[\s\S]*?--(>|>)/gm, + url : /\w+:\/\/[\w-.\/?%&=:@;]*/g, + + /** <?= ?> tags. */ + phpScriptTags : { left: /(<|<)\?=?/g, right: /\?(>|>)/g }, + + /** <%= %> tags. */ + aspScriptTags : { left: /(<|<)%=?/g, right: /%(>|>)/g }, + + /** <script></script> tags. */ + scriptScriptTags : { left: /(<|<)\s*script.*?(>|>)/gi, right: /(<|<)\/\s*script\s*(>|>)/gi } + }, + + toolbar: { + /** + * Generates HTML markup for the toolbar. + * @param {Highlighter} highlighter Highlighter instance. + * @return {String} Returns HTML markup. + */ + getHtml: function(highlighter) + { + var html = '<div class="toolbar">', + items = sh.toolbar.items, + list = items.list + ; + + function defaultGetHtml(highlighter, name) + { + return sh.toolbar.getButtonHtml(highlighter, name, sh.config.strings[name]); + }; + + for (var i = 0; i < list.length; i++) + html += (items[list[i]].getHtml || defaultGetHtml)(highlighter, list[i]); + + html += '</div>'; + + return html; + }, + + /** + * Generates HTML markup for a regular button in the toolbar. + * @param {Highlighter} highlighter Highlighter instance. + * @param {String} commandName Command name that would be executed. + * @param {String} label Label text to display. + * @return {String} Returns HTML markup. + */ + getButtonHtml: function(highlighter, commandName, label) + { + return '<span><a href="#" class="toolbar_item' + + ' command_' + commandName + + ' ' + commandName + + '">' + label + '</a></span>' + ; + }, + + /** + * Event handler for a toolbar anchor. + */ + handler: function(e) + { + var target = e.target, + className = target.className || '' + ; + + function getValue(name) + { + var r = new RegExp(name + '_(\\w+)'), + match = r.exec(className) + ; + + return match ? match[1] : null; + }; + + var highlighter = getHighlighterById(findParentElement(target, '.syntaxhighlighter').id), + commandName = getValue('command') + ; + + // execute the toolbar command + if (highlighter && commandName) + sh.toolbar.items[commandName].execute(highlighter); + + // disable default A click behaviour + e.preventDefault(); + }, + + /** Collection of toolbar items. */ + items : { + // Ordered lis of items in the toolbar. Can't expect `for (var n in items)` to be consistent. + list: ['expandSource', 'help'], + + expandSource: { + getHtml: function(highlighter) + { + if (highlighter.getParam('collapse') != true) + return ''; + + var title = highlighter.getParam('title'); + return sh.toolbar.getButtonHtml(highlighter, 'expandSource', title ? title : sh.config.strings.expandSource); + }, + + execute: function(highlighter) + { + var div = getHighlighterDivById(highlighter.id); + removeClass(div, 'collapsed'); + } + }, + + /** Command to display the about dialog window. */ + help: { + execute: function(highlighter) + { + var wnd = popup('', '_blank', 500, 250, 'scrollbars=0'), + doc = wnd.document + ; + + doc.write(sh.config.strings.aboutDialog); + doc.close(); + wnd.focus(); + } + } + } + }, + + /** + * Finds all elements on the page which should be processes by SyntaxHighlighter. + * + * @param {Object} globalParams Optional parameters which override element's + * parameters. Only used if element is specified. + * + * @param {Object} element Optional element to highlight. If none is + * provided, all elements in the current document + * are returned which qualify. + * + * @return {Array} Returns list of <code>{ target: DOMElement, params: Object }</code> objects. + */ + findElements: function(globalParams, element) + { + var elements = element ? [element] : toArray(document.getElementsByTagName(sh.config.tagName)), + conf = sh.config, + result = [] + ; + + // support for <SCRIPT TYPE="syntaxhighlighter" /> feature + if (conf.useScriptTags) + elements = elements.concat(getSyntaxHighlighterScriptTags()); + + if (elements.length === 0) + return result; + + for (var i = 0; i < elements.length; i++) + { + var item = { + target: elements[i], + // local params take precedence over globals + params: merge(globalParams, parseParams(elements[i].className)) + }; + + if (item.params['brush'] == null) + continue; + + result.push(item); + } + + return result; + }, + + /** + * Shorthand to highlight all elements on the page that are marked as + * SyntaxHighlighter source code. + * + * @param {Object} globalParams Optional parameters which override element's + * parameters. Only used if element is specified. + * + * @param {Object} element Optional element to highlight. If none is + * provided, all elements in the current document + * are highlighted. + */ + highlight: function(globalParams, element) + { + var elements = this.findElements(globalParams, element), + propertyName = 'innerHTML', + highlighter = null, + conf = sh.config + ; + + if (elements.length === 0) + return; + + for (var i = 0; i < elements.length; i++) + { + var element = elements[i], + target = element.target, + params = element.params, + brushName = params.brush, + code + ; + + if (brushName == null) + continue; + + // Instantiate a brush + if (params['html-script'] == 'true' || sh.defaults['html-script'] == true) + { + highlighter = new sh.HtmlScript(brushName); + brushName = 'htmlscript'; + } + else + { + var brush = findBrush(brushName); + + if (brush) + highlighter = new brush(); + else + continue; + } + + code = target[propertyName]; + + // remove CDATA from <SCRIPT/> tags if it's present + if (conf.useScriptTags) + code = stripCData(code); + + // Inject title if the attribute is present + if ((target.title || '') != '') + params.title = target.title; + + params['brush'] = brushName; + highlighter.init(params); + element = highlighter.getDiv(code); + + // carry over ID + if ((target.id || '') != '') + element.id = target.id; + + target.parentNode.replaceChild(element, target); + } + }, + + /** + * Main entry point for the SyntaxHighlighter. + * @param {Object} params Optional params to apply to all highlighted elements. + */ + all: function(params) + { + attachEvent( + window, + 'load', + function() { sh.highlight(params); } + ); + } +}; // end of sh + +sh['all'] = sh.all; +sh['highlight'] = sh.highlight; + +/** + * Checks if target DOM elements has specified CSS class. + * @param {DOMElement} target Target DOM element to check. + * @param {String} className Name of the CSS class to check for. + * @return {Boolean} Returns true if class name is present, false otherwise. + */ +function hasClass(target, className) +{ + return target.className.indexOf(className) != -1; +}; + +/** + * Adds CSS class name to the target DOM element. + * @param {DOMElement} target Target DOM element. + * @param {String} className New CSS class to add. + */ +function addClass(target, className) +{ + if (!hasClass(target, className)) + target.className += ' ' + className; +}; + +/** + * Removes CSS class name from the target DOM element. + * @param {DOMElement} target Target DOM element. + * @param {String} className CSS class to remove. + */ +function removeClass(target, className) +{ + target.className = target.className.replace(className, ''); +}; + +/** + * Converts the source to array object. Mostly used for function arguments and + * lists returned by getElementsByTagName() which aren't Array objects. + * @param {List} source Source list. + * @return {Array} Returns array. + */ +function toArray(source) +{ + var result = []; + + for (var i = 0; i < source.length; i++) + result.push(source[i]); + + return result; +}; + +/** + * Splits block of text into lines. + * @param {String} block Block of text. + * @return {Array} Returns array of lines. + */ +function splitLines(block) +{ + return block.split('\n'); +} + +/** + * Generates HTML ID for the highlighter. + * @param {String} highlighterId Highlighter ID. + * @return {String} Returns HTML ID. + */ +function getHighlighterId(id) +{ + var prefix = 'highlighter_'; + return id.indexOf(prefix) == 0 ? id : prefix + id; +}; + +/** + * Finds Highlighter instance by ID. + * @param {String} highlighterId Highlighter ID. + * @return {Highlighter} Returns instance of the highlighter. + */ +function getHighlighterById(id) +{ + return sh.vars.highlighters[getHighlighterId(id)]; +}; + +/** + * Finds highlighter's DIV container. + * @param {String} highlighterId Highlighter ID. + * @return {Element} Returns highlighter's DIV element. + */ +function getHighlighterDivById(id) +{ + return document.getElementById(getHighlighterId(id)); +}; + +/** + * Stores highlighter so that getHighlighterById() can do its thing. Each + * highlighter must call this method to preserve itself. + * @param {Highilghter} highlighter Highlighter instance. + */ +function storeHighlighter(highlighter) +{ + sh.vars.highlighters[getHighlighterId(highlighter.id)] = highlighter; +}; + +/** + * Looks for a child or parent node which has specified classname. + * Equivalent to jQuery's $(container).find(".className") + * @param {Element} target Target element. + * @param {String} search Class name or node name to look for. + * @param {Boolean} reverse If set to true, will go up the node tree instead of down. + * @return {Element} Returns found child or parent element on null. + */ +function findElement(target, search, reverse /* optional */) +{ + if (target == null) + return null; + + var nodes = reverse != true ? target.childNodes : [ target.parentNode ], + propertyToFind = { '#' : 'id', '.' : 'className' }[search.substr(0, 1)] || 'nodeName', + expectedValue, + found + ; + + expectedValue = propertyToFind != 'nodeName' + ? search.substr(1) + : search.toUpperCase() + ; + + // main return of the found node + if ((target[propertyToFind] || '').indexOf(expectedValue) != -1) + return target; + + for (var i = 0; nodes && i < nodes.length && found == null; i++) + found = findElement(nodes[i], search, reverse); + + return found; +}; + +/** + * Looks for a parent node which has specified classname. + * This is an alias to <code>findElement(container, className, true)</code>. + * @param {Element} target Target element. + * @param {String} className Class name to look for. + * @return {Element} Returns found parent element on null. + */ +function findParentElement(target, className) +{ + return findElement(target, className, true); +}; + +/** + * Finds an index of element in the array. + * @ignore + * @param {Object} searchElement + * @param {Number} fromIndex + * @return {Number} Returns index of element if found; -1 otherwise. + */ +function indexOf(array, searchElement, fromIndex) +{ + fromIndex = Math.max(fromIndex || 0, 0); + + for (var i = fromIndex; i < array.length; i++) + if(array[i] == searchElement) + return i; + + return -1; +}; + +/** + * Generates a unique element ID. + */ +function guid(prefix) +{ + return (prefix || '') + Math.round(Math.random() * 1000000).toString(); +}; + +/** + * Merges two objects. Values from obj2 override values in obj1. + * Function is NOT recursive and works only for one dimensional objects. + * @param {Object} obj1 First object. + * @param {Object} obj2 Second object. + * @return {Object} Returns combination of both objects. + */ +function merge(obj1, obj2) +{ + var result = {}, name; + + for (name in obj1) + result[name] = obj1[name]; + + for (name in obj2) + result[name] = obj2[name]; + + return result; +}; + +/** + * Attempts to convert string to boolean. + * @param {String} value Input string. + * @return {Boolean} Returns true if input was "true", false if input was "false" and value otherwise. + */ +function toBoolean(value) +{ + var result = { "true" : true, "false" : false }[value]; + return result == null ? value : result; +}; + +/** + * Opens up a centered popup window. + * @param {String} url URL to open in the window. + * @param {String} name Popup name. + * @param {int} width Popup width. + * @param {int} height Popup height. + * @param {String} options window.open() options. + * @return {Window} Returns window instance. + */ +function popup(url, name, width, height, options) +{ + var x = (screen.width - width) / 2, + y = (screen.height - height) / 2 + ; + + options += ', left=' + x + + ', top=' + y + + ', width=' + width + + ', height=' + height + ; + options = options.replace(/^,/, ''); + + var win = window.open(url, name, options); + win.focus(); + return win; +}; + +/** + * Adds event handler to the target object. + * @param {Object} obj Target object. + * @param {String} type Name of the event. + * @param {Function} func Handling function. + */ +function attachEvent(obj, type, func, scope) +{ + function handler(e) + { + e = e || window.event; + + if (!e.target) + { + e.target = e.srcElement; + e.preventDefault = function() + { + this.returnValue = false; + }; + } + + func.call(scope || window, e); + }; + + if (obj.attachEvent) + { + obj.attachEvent('on' + type, handler); + } + else + { + obj.addEventListener(type, handler, false); + } +}; + +/** + * Displays an alert. + * @param {String} str String to display. + */ +function alert(str) +{ + window.alert(sh.config.strings.alert + str); +}; + +/** + * Finds a brush by its alias. + * + * @param {String} alias Brush alias. + * @param {Boolean} showAlert Suppresses the alert if false. + * @return {Brush} Returns bursh constructor if found, null otherwise. + */ +function findBrush(alias, showAlert) +{ + var brushes = sh.vars.discoveredBrushes, + result = null + ; + + if (brushes == null) + { + brushes = {}; + + // Find all brushes + for (var brush in sh.brushes) + { + var info = sh.brushes[brush], + aliases = info.aliases + ; + + if (aliases == null) + continue; + + // keep the brush name + info.brushName = brush.toLowerCase(); + + for (var i = 0; i < aliases.length; i++) + brushes[aliases[i]] = brush; + } + + sh.vars.discoveredBrushes = brushes; + } + + result = sh.brushes[brushes[alias]]; + + if (result == null && showAlert != false) + alert(sh.config.strings.noBrush + alias); + + return result; +}; + +/** + * Executes a callback on each line and replaces each line with result from the callback. + * @param {Object} str Input string. + * @param {Object} callback Callback function taking one string argument and returning a string. + */ +function eachLine(str, callback) +{ + var lines = splitLines(str); + + for (var i = 0; i < lines.length; i++) + lines[i] = callback(lines[i], i); + + return lines.join('\n'); +}; + +/** + * This is a special trim which only removes first and last empty lines + * and doesn't affect valid leading space on the first line. + * + * @param {String} str Input string + * @return {String} Returns string without empty first and last lines. + */ +function trimFirstAndLastLines(str) +{ + return str.replace(/^[ ]*[\n]+|[\n]*[ ]*$/g, ''); +}; + +/** + * Parses key/value pairs into hash object. + * + * Understands the following formats: + * - name: word; + * - name: [word, word]; + * - name: "string"; + * - name: 'string'; + * + * For example: + * name1: value; name2: [value, value]; name3: 'value' + * + * @param {String} str Input string. + * @return {Object} Returns deserialized object. + */ +function parseParams(str) +{ + var match, + result = {}, + arrayRegex = new XRegExp("^\\[(?<values>(.*?))\\]$"), + regex = new XRegExp( + "(?<name>[\\w-]+)" + + "\\s*:\\s*" + + "(?<value>" + + "[\\w-%#]+|" + // word + "\\[.*?\\]|" + // [] array + '".*?"|' + // "" string + "'.*?'" + // '' string + ")\\s*;?", + "g" + ) + ; + + while ((match = regex.exec(str)) != null) + { + var value = match.value + .replace(/^['"]|['"]$/g, '') // strip quotes from end of strings + ; + + // try to parse array value + if (value != null && arrayRegex.test(value)) + { + var m = arrayRegex.exec(value); + value = m.values.length > 0 ? m.values.split(/\s*,\s*/) : []; + } + + result[match.name] = value; + } + + return result; +}; + +/** + * Wraps each line of the string into <code/> tag with given style applied to it. + * + * @param {String} str Input string. + * @param {String} css Style name to apply to the string. + * @return {String} Returns input string with each line surrounded by <span/> tag. + */ +function wrapLinesWithCode(str, css) +{ + if (str == null || str.length == 0 || str == '\n') + return str; + + str = str.replace(/</g, '<'); + + // Replace two or more sequential spaces with leaving last space untouched. + str = str.replace(/ {2,}/g, function(m) + { + var spaces = ''; + + for (var i = 0; i < m.length - 1; i++) + spaces += sh.config.space; + + return spaces + ' '; + }); + + // Split each line and apply <span class="...">...</span> to them so that + // leading spaces aren't included. + if (css != null) + str = eachLine(str, function(line) + { + if (line.length == 0) + return ''; + + var spaces = ''; + + line = line.replace(/^( | )+/, function(s) + { + spaces = s; + return ''; + }); + + if (line.length == 0) + return spaces; + + return spaces + '<code class="' + css + '">' + line + '</code>'; + }); + + return str; +}; + +/** + * Pads number with zeros until it's length is the same as given length. + * + * @param {Number} number Number to pad. + * @param {Number} length Max string length with. + * @return {String} Returns a string padded with proper amount of '0'. + */ +function padNumber(number, length) +{ + var result = number.toString(); + + while (result.length < length) + result = '0' + result; + + return result; +}; + +/** + * Replaces tabs with spaces. + * + * @param {String} code Source code. + * @param {Number} tabSize Size of the tab. + * @return {String} Returns code with all tabs replaces by spaces. + */ +function processTabs(code, tabSize) +{ + var tab = ''; + + for (var i = 0; i < tabSize; i++) + tab += ' '; + + return code.replace(/\t/g, tab); +}; + +/** + * Replaces tabs with smart spaces. + * + * @param {String} code Code to fix the tabs in. + * @param {Number} tabSize Number of spaces in a column. + * @return {String} Returns code with all tabs replaces with roper amount of spaces. + */ +function processSmartTabs(code, tabSize) +{ + var lines = splitLines(code), + tab = '\t', + spaces = '' + ; + + // Create a string with 1000 spaces to copy spaces from... + // It's assumed that there would be no indentation longer than that. + for (var i = 0; i < 50; i++) + spaces += ' '; // 20 spaces * 50 + + // This function inserts specified amount of spaces in the string + // where a tab is while removing that given tab. + function insertSpaces(line, pos, count) + { + return line.substr(0, pos) + + spaces.substr(0, count) + + line.substr(pos + 1, line.length) // pos + 1 will get rid of the tab + ; + }; + + // Go through all the lines and do the 'smart tabs' magic. + code = eachLine(code, function(line) + { + if (line.indexOf(tab) == -1) + return line; + + var pos = 0; + + while ((pos = line.indexOf(tab)) != -1) + { + // This is pretty much all there is to the 'smart tabs' logic. + // Based on the position within the line and size of a tab, + // calculate the amount of spaces we need to insert. + var spaces = tabSize - pos % tabSize; + line = insertSpaces(line, pos, spaces); + } + + return line; + }); + + return code; +}; + +/** + * Performs various string fixes based on configuration. + */ +function fixInputString(str) +{ + var br = /<br\s*\/?>|<br\s*\/?>/gi; + + if (sh.config.bloggerMode == true) + str = str.replace(br, '\n'); + + if (sh.config.stripBrs == true) + str = str.replace(br, ''); + + return str; +}; + +/** + * Removes all white space at the begining and end of a string. + * + * @param {String} str String to trim. + * @return {String} Returns string without leading and following white space characters. + */ +function trim(str) +{ + return str.replace(/^\s+|\s+$/g, ''); +}; + +/** + * Unindents a block of text by the lowest common indent amount. + * @param {String} str Text to unindent. + * @return {String} Returns unindented text block. + */ +function unindent(str) +{ + var lines = splitLines(fixInputString(str)), + indents = new Array(), + regex = /^\s*/, + min = 1000 + ; + + // go through every line and check for common number of indents + for (var i = 0; i < lines.length && min > 0; i++) + { + var line = lines[i]; + + if (trim(line).length == 0) + continue; + + var matches = regex.exec(line); + + // In the event that just one line doesn't have leading white space + // we can't unindent anything, so bail completely. + if (matches == null) + return str; + + min = Math.min(matches[0].length, min); + } + + // trim minimum common number of white space from the begining of every line + if (min > 0) + for (var i = 0; i < lines.length; i++) + lines[i] = lines[i].substr(min); + + return lines.join('\n'); +}; + +/** + * Callback method for Array.sort() which sorts matches by + * index position and then by length. + * + * @param {Match} m1 Left object. + * @param {Match} m2 Right object. + * @return {Number} Returns -1, 0 or -1 as a comparison result. + */ +function matchesSortCallback(m1, m2) +{ + // sort matches by index first + if(m1.index < m2.index) + return -1; + else if(m1.index > m2.index) + return 1; + else + { + // if index is the same, sort by length + if(m1.length < m2.length) + return -1; + else if(m1.length > m2.length) + return 1; + } + + return 0; +}; + +/** + * Executes given regular expression on provided code and returns all + * matches that are found. + * + * @param {String} code Code to execute regular expression on. + * @param {Object} regex Regular expression item info from <code>regexList</code> collection. + * @return {Array} Returns a list of Match objects. + */ +function getMatches(code, regexInfo) +{ + function defaultAdd(match, regexInfo) + { + return match[0]; + }; + + var index = 0, + match = null, + matches = [], + func = regexInfo.func ? regexInfo.func : defaultAdd + ; + + while((match = regexInfo.regex.exec(code)) != null) + { + var resultMatch = func(match, regexInfo); + + if (typeof(resultMatch) == 'string') + resultMatch = [new sh.Match(resultMatch, match.index, regexInfo.css)]; + + matches = matches.concat(resultMatch); + } + + return matches; +}; + +/** + * Turns all URLs in the code into <a/> tags. + * @param {String} code Input code. + * @return {String} Returns code with </a> tags. + */ +function processUrls(code) +{ + var gt = /(.*)((>|<).*)/; + + return code.replace(sh.regexLib.url, function(m) + { + var suffix = '', + match = null + ; + + // We include < and > in the URL for the common cases like <http://google.com> + // The problem is that they get transformed into <http://google.com> + // Where as > easily looks like part of the URL string. + + if (match = gt.exec(m)) + { + m = match[1]; + suffix = match[2]; + } + + return '<a href="' + m + '">' + m + '</a>' + suffix; + }); +}; + +/** + * Finds all <SCRIPT TYPE="syntaxhighlighter" /> elementss. + * @return {Array} Returns array of all found SyntaxHighlighter tags. + */ +function getSyntaxHighlighterScriptTags() +{ + var tags = document.getElementsByTagName('script'), + result = [] + ; + + for (var i = 0; i < tags.length; i++) + if (tags[i].type == 'syntaxhighlighter') + result.push(tags[i]); + + return result; +}; + +/** + * Strips <![CDATA[]]> from <SCRIPT /> content because it should be used + * there in most cases for XHTML compliance. + * @param {String} original Input code. + * @return {String} Returns code without leading <![CDATA[]]> tags. + */ +function stripCData(original) +{ + var left = '<![CDATA[', + right = ']]>', + // for some reason IE inserts some leading blanks here + copy = trim(original), + changed = false, + leftLength = left.length, + rightLength = right.length + ; + + if (copy.indexOf(left) == 0) + { + copy = copy.substring(leftLength); + changed = true; + } + + var copyLength = copy.length; + + if (copy.indexOf(right) == copyLength - rightLength) + { + copy = copy.substring(0, copyLength - rightLength); + changed = true; + } + + return changed ? copy : original; +}; + + +/** + * Quick code mouse double click handler. + */ +function quickCodeHandler(e) +{ + var target = e.target, + highlighterDiv = findParentElement(target, '.syntaxhighlighter'), + container = findParentElement(target, '.container'), + textarea = document.createElement('textarea'), + highlighter + ; + + if (!container || !highlighterDiv || findElement(container, 'textarea')) + return; + + highlighter = getHighlighterById(highlighterDiv.id); + + // add source class name + addClass(highlighterDiv, 'source'); + + // Have to go over each line and grab it's text, can't just do it on the + // container because Firefox loses all \n where as Webkit doesn't. + var lines = container.childNodes, + code = [] + ; + + for (var i = 0; i < lines.length; i++) + code.push(lines[i].innerText || lines[i].textContent); + + // using \r instead of \r or \r\n makes this work equally well on IE, FF and Webkit + code = code.join('\r'); + + // inject <textarea/> tag + textarea.appendChild(document.createTextNode(code)); + container.appendChild(textarea); + + // preselect all text + textarea.focus(); + textarea.select(); + + // set up handler for lost focus + attachEvent(textarea, 'blur', function(e) + { + textarea.parentNode.removeChild(textarea); + removeClass(highlighterDiv, 'source'); + }); +}; + +/** + * Match object. + */ +sh.Match = function(value, index, css) +{ + this.value = value; + this.index = index; + this.length = value.length; + this.css = css; + this.brushName = null; +}; + +sh.Match.prototype.toString = function() +{ + return this.value; +}; + +/** + * Simulates HTML code with a scripting language embedded. + * + * @param {String} scriptBrushName Brush name of the scripting language. + */ +sh.HtmlScript = function(scriptBrushName) +{ + var brushClass = findBrush(scriptBrushName), + scriptBrush, + xmlBrush = new sh.brushes.Xml(), + bracketsRegex = null, + ref = this, + methodsToExpose = 'getDiv getHtml init'.split(' ') + ; + + if (brushClass == null) + return; + + scriptBrush = new brushClass(); + + for(var i = 0; i < methodsToExpose.length; i++) + // make a closure so we don't lose the name after i changes + (function() { + var name = methodsToExpose[i]; + + ref[name] = function() + { + return xmlBrush[name].apply(xmlBrush, arguments); + }; + })(); + + if (scriptBrush.htmlScript == null) + { + alert(sh.config.strings.brushNotHtmlScript + scriptBrushName); + return; + } + + xmlBrush.regexList.push( + { regex: scriptBrush.htmlScript.code, func: process } + ); + + function offsetMatches(matches, offset) + { + for (var j = 0; j < matches.length; j++) + matches[j].index += offset; + } + + function process(match, info) + { + var code = match.code, + matches = [], + regexList = scriptBrush.regexList, + offset = match.index + match.left.length, + htmlScript = scriptBrush.htmlScript, + result + ; + + // add all matches from the code + for (var i = 0; i < regexList.length; i++) + { + result = getMatches(code, regexList[i]); + offsetMatches(result, offset); + matches = matches.concat(result); + } + + // add left script bracket + if (htmlScript.left != null && match.left != null) + { + result = getMatches(match.left, htmlScript.left); + offsetMatches(result, match.index); + matches = matches.concat(result); + } + + // add right script bracket + if (htmlScript.right != null && match.right != null) + { + result = getMatches(match.right, htmlScript.right); + offsetMatches(result, match.index + match[0].lastIndexOf(match.right)); + matches = matches.concat(result); + } + + for (var j = 0; j < matches.length; j++) + matches[j].brushName = brushClass.brushName; + + return matches; + } +}; + +/** + * Main Highlither class. + * @constructor + */ +sh.Highlighter = function() +{ + // not putting any code in here because of the prototype inheritance +}; + +sh.Highlighter.prototype = { + /** + * Returns value of the parameter passed to the highlighter. + * @param {String} name Name of the parameter. + * @param {Object} defaultValue Default value. + * @return {Object} Returns found value or default value otherwise. + */ + getParam: function(name, defaultValue) + { + var result = this.params[name]; + return toBoolean(result == null ? defaultValue : result); + }, + + /** + * Shortcut to document.createElement(). + * @param {String} name Name of the element to create (DIV, A, etc). + * @return {HTMLElement} Returns new HTML element. + */ + create: function(name) + { + return document.createElement(name); + }, + + /** + * Applies all regular expression to the code and stores all found + * matches in the `this.matches` array. + * @param {Array} regexList List of regular expressions. + * @param {String} code Source code. + * @return {Array} Returns list of matches. + */ + findMatches: function(regexList, code) + { + var result = []; + + if (regexList != null) + for (var i = 0; i < regexList.length; i++) + // BUG: length returns len+1 for array if methods added to prototype chain (oising@gmail.com) + if (typeof (regexList[i]) == "object") + result = result.concat(getMatches(code, regexList[i])); + + // sort and remove nested the matches + return this.removeNestedMatches(result.sort(matchesSortCallback)); + }, + + /** + * Checks to see if any of the matches are inside of other matches. + * This process would get rid of highligted strings inside comments, + * keywords inside strings and so on. + */ + removeNestedMatches: function(matches) + { + // Optimized by Jose Prado (http://joseprado.com) + for (var i = 0; i < matches.length; i++) + { + if (matches[i] === null) + continue; + + var itemI = matches[i], + itemIEndPos = itemI.index + itemI.length + ; + + for (var j = i + 1; j < matches.length && matches[i] !== null; j++) + { + var itemJ = matches[j]; + + if (itemJ === null) + continue; + else if (itemJ.index > itemIEndPos) + break; + else if (itemJ.index == itemI.index && itemJ.length > itemI.length) + matches[i] = null; + else if (itemJ.index >= itemI.index && itemJ.index < itemIEndPos) + matches[j] = null; + } + } + + return matches; + }, + + /** + * Creates an array containing integer line numbers starting from the 'first-line' param. + * @return {Array} Returns array of integers. + */ + figureOutLineNumbers: function(code) + { + var lines = [], + firstLine = parseInt(this.getParam('first-line')) + ; + + eachLine(code, function(line, index) + { + lines.push(index + firstLine); + }); + + return lines; + }, + + /** + * Determines if specified line number is in the highlighted list. + */ + isLineHighlighted: function(lineNumber) + { + var list = this.getParam('highlight', []); + + if (typeof(list) != 'object' && list.push == null) + list = [ list ]; + + return indexOf(list, lineNumber.toString()) != -1; + }, + + /** + * Generates HTML markup for a single line of code while determining alternating line style. + * @param {Integer} lineNumber Line number. + * @param {String} code Line HTML markup. + * @return {String} Returns HTML markup. + */ + getLineHtml: function(lineIndex, lineNumber, code) + { + var classes = [ + 'line', + 'number' + lineNumber, + 'index' + lineIndex, + 'alt' + (lineNumber % 2 == 0 ? 1 : 2).toString() + ]; + + if (this.isLineHighlighted(lineNumber)) + classes.push('highlighted'); + + if (lineNumber == 0) + classes.push('break'); + + return '<div class="' + classes.join(' ') + '">' + code + '</div>'; + }, + + /** + * Generates HTML markup for line number column. + * @param {String} code Complete code HTML markup. + * @param {Array} lineNumbers Calculated line numbers. + * @return {String} Returns HTML markup. + */ + getLineNumbersHtml: function(code, lineNumbers) + { + var html = '', + count = splitLines(code).length, + firstLine = parseInt(this.getParam('first-line')), + pad = this.getParam('pad-line-numbers') + ; + + if (pad == true) + pad = (firstLine + count - 1).toString().length; + else if (isNaN(pad) == true) + pad = 0; + + for (var i = 0; i < count; i++) + { + var lineNumber = lineNumbers ? lineNumbers[i] : firstLine + i, + code = lineNumber == 0 ? sh.config.space : padNumber(lineNumber, pad) + ; + + html += this.getLineHtml(i, lineNumber, code); + } + + return html; + }, + + /** + * Splits block of text into individual DIV lines. + * @param {String} code Code to highlight. + * @param {Array} lineNumbers Calculated line numbers. + * @return {String} Returns highlighted code in HTML form. + */ + getCodeLinesHtml: function(html, lineNumbers) + { + html = trim(html); + + var lines = splitLines(html), + padLength = this.getParam('pad-line-numbers'), + firstLine = parseInt(this.getParam('first-line')), + html = '', + brushName = this.getParam('brush') + ; + + for (var i = 0; i < lines.length; i++) + { + var line = lines[i], + indent = /^( |\s)+/.exec(line), + spaces = null, + lineNumber = lineNumbers ? lineNumbers[i] : firstLine + i; + ; + + if (indent != null) + { + spaces = indent[0].toString(); + line = line.substr(spaces.length); + spaces = spaces.replace(' ', sh.config.space); + } + + line = trim(line); + + if (line.length == 0) + line = sh.config.space; + + html += this.getLineHtml( + i, + lineNumber, + (spaces != null ? '<code class="' + brushName + ' spaces">' + spaces + '</code>' : '') + line + ); + } + + return html; + }, + + /** + * Returns HTML for the table title or empty string if title is null. + */ + getTitleHtml: function(title) + { + return title ? '<caption>' + title + '</caption>' : ''; + }, + + /** + * Finds all matches in the source code. + * @param {String} code Source code to process matches in. + * @param {Array} matches Discovered regex matches. + * @return {String} Returns formatted HTML with processed mathes. + */ + getMatchesHtml: function(code, matches) + { + var pos = 0, + result = '', + brushName = this.getParam('brush', '') + ; + + function getBrushNameCss(match) + { + var result = match ? (match.brushName || brushName) : brushName; + return result ? result + ' ' : ''; + }; + + // Finally, go through the final list of matches and pull the all + // together adding everything in between that isn't a match. + for (var i = 0; i < matches.length; i++) + { + var match = matches[i], + matchBrushName + ; + + if (match === null || match.length === 0) + continue; + + matchBrushName = getBrushNameCss(match); + + result += wrapLinesWithCode(code.substr(pos, match.index - pos), matchBrushName + 'plain') + + wrapLinesWithCode(match.value, matchBrushName + match.css) + ; + + pos = match.index + match.length + (match.offset || 0); + } + + // don't forget to add whatever's remaining in the string + result += wrapLinesWithCode(code.substr(pos), getBrushNameCss() + 'plain'); + + return result; + }, + + /** + * Generates HTML markup for the whole syntax highlighter. + * @param {String} code Source code. + * @return {String} Returns HTML markup. + */ + getHtml: function(code) + { + var html = '', + classes = [ 'syntaxhighlighter' ], + tabSize, + matches, + lineNumbers + ; + + // process light mode + if (this.getParam('light') == true) + this.params.toolbar = this.params.gutter = false; + + className = 'syntaxhighlighter'; + + if (this.getParam('collapse') == true) + classes.push('collapsed'); + + if ((gutter = this.getParam('gutter')) == false) + classes.push('nogutter'); + + // add custom user style name + classes.push(this.getParam('class-name')); + + // add brush alias to the class name for custom CSS + classes.push(this.getParam('brush')); + + code = trimFirstAndLastLines(code) + .replace(/\r/g, ' ') // IE lets these buggers through + ; + + tabSize = this.getParam('tab-size'); + + // replace tabs with spaces + code = this.getParam('smart-tabs') == true + ? processSmartTabs(code, tabSize) + : processTabs(code, tabSize) + ; + + // unindent code by the common indentation + code = unindent(code); + + if (gutter) + lineNumbers = this.figureOutLineNumbers(code); + + // find matches in the code using brushes regex list + matches = this.findMatches(this.regexList, code); + // processes found matches into the html + html = this.getMatchesHtml(code, matches); + // finally, split all lines so that they wrap well + html = this.getCodeLinesHtml(html, lineNumbers); + + // finally, process the links + if (this.getParam('auto-links')) + html = processUrls(html); + + if (typeof(navigator) != 'undefined' && navigator.userAgent && navigator.userAgent.match(/MSIE/)) + classes.push('ie'); + + html = + '<div id="' + getHighlighterId(this.id) + '" class="' + classes.join(' ') + '">' + + (this.getParam('toolbar') ? sh.toolbar.getHtml(this) : '') + + '<table border="0" cellpadding="0" cellspacing="0">' + + this.getTitleHtml(this.getParam('title')) + + '<tbody>' + + '<tr>' + + (gutter ? '<td class="gutter">' + this.getLineNumbersHtml(code) + '</td>' : '') + + '<td class="code">' + + '<div class="container">' + + html + + '</div>' + + '</td>' + + '</tr>' + + '</tbody>' + + '</table>' + + '</div>' + ; + + return html; + }, + + /** + * Highlights the code and returns complete HTML. + * @param {String} code Code to highlight. + * @return {Element} Returns container DIV element with all markup. + */ + getDiv: function(code) + { + if (code === null) + code = ''; + + this.code = code; + + var div = this.create('div'); + + // create main HTML + div.innerHTML = this.getHtml(code); + + // set up click handlers + if (this.getParam('toolbar')) + attachEvent(findElement(div, '.toolbar'), 'click', sh.toolbar.handler); + + if (this.getParam('quick-code')) + attachEvent(findElement(div, '.code'), 'dblclick', quickCodeHandler); + + return div; + }, + + /** + * Initializes the highlighter/brush. + * + * Constructor isn't used for initialization so that nothing executes during necessary + * `new SyntaxHighlighter.Highlighter()` call when setting up brush inheritence. + * + * @param {Hash} params Highlighter parameters. + */ + init: function(params) + { + this.id = guid(); + + // register this instance in the highlighters list + storeHighlighter(this); + + // local params take precedence over defaults + this.params = merge(sh.defaults, params || {}) + + // process light mode + if (this.getParam('light') == true) + this.params.toolbar = this.params.gutter = false; + }, + + /** + * Converts space separated list of keywords into a regular expression string. + * @param {String} str Space separated keywords. + * @return {String} Returns regular expression string. + */ + getKeywords: function(str) + { + str = str + .replace(/^\s+|\s+$/g, '') + .replace(/\s+/g, '|') + ; + + return '\\b(?:' + str + ')\\b'; + }, + + /** + * Makes a brush compatible with the `html-script` functionality. + * @param {Object} regexGroup Object containing `left` and `right` regular expressions. + */ + forHtmlScript: function(regexGroup) + { + this.htmlScript = { + left : { regex: regexGroup.left, css: 'script' }, + right : { regex: regexGroup.right, css: 'script' }, + code : new XRegExp( + "(?<left>" + regexGroup.left.source + ")" + + "(?<code>.*?)" + + "(?<right>" + regexGroup.right.source + ")", + "sgi" + ) + }; + } +}; // end of Highlighter + +return sh; +}(); // end of anonymous function + +// CommonJS +typeof(exports) != 'undefined' ? exports['SyntaxHighlighter'] = SyntaxHighlighter : null; diff --git a/lava_scheduler_app/static/lava_scheduler_app/js/shCore.min.js b/lava_scheduler_app/static/lava_scheduler_app/js/shCore.min.js new file mode 100644 index 000000000..efe8d5a31 --- /dev/null +++ b/lava_scheduler_app/static/lava_scheduler_app/js/shCore.min.js @@ -0,0 +1,17 @@ +/** + * SyntaxHighlighter + * http://alexgorbatchev.com/SyntaxHighlighter + * + * SyntaxHighlighter is donationware. 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