X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fpybind%2Fmgr%2Fdashboard%2Fstatic%2FAdminLTE-2.3.7%2Fplugins%2Fflot%2Fjquery.flot.canvas.js;fp=src%2Fceph%2Fsrc%2Fpybind%2Fmgr%2Fdashboard%2Fstatic%2FAdminLTE-2.3.7%2Fplugins%2Fflot%2Fjquery.flot.canvas.js;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=d94b9611a0109b0b35f2c7a9be7f540f54dd24af;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git diff --git a/src/ceph/src/pybind/mgr/dashboard/static/AdminLTE-2.3.7/plugins/flot/jquery.flot.canvas.js b/src/ceph/src/pybind/mgr/dashboard/static/AdminLTE-2.3.7/plugins/flot/jquery.flot.canvas.js deleted file mode 100644 index d94b961..0000000 --- a/src/ceph/src/pybind/mgr/dashboard/static/AdminLTE-2.3.7/plugins/flot/jquery.flot.canvas.js +++ /dev/null @@ -1,345 +0,0 @@ -/* Flot plugin for drawing all elements of a plot on the canvas. - -Copyright (c) 2007-2013 IOLA and Ole Laursen. -Licensed under the MIT license. - -Flot normally produces certain elements, like axis labels and the legend, using -HTML elements. This permits greater interactivity and customization, and often -looks better, due to cross-browser canvas text inconsistencies and limitations. - -It can also be desirable to render the plot entirely in canvas, particularly -if the goal is to save it as an image, or if Flot is being used in a context -where the HTML DOM does not exist, as is the case within Node.js. This plugin -switches out Flot's standard drawing operations for canvas-only replacements. - -Currently the plugin supports only axis labels, but it will eventually allow -every element of the plot to be rendered directly to canvas. - -The plugin supports these options: - -{ - canvas: boolean -} - -The "canvas" option controls whether full canvas drawing is enabled, making it -possible to toggle on and off. This is useful when a plot uses HTML text in the -browser, but needs to redraw with canvas text when exporting as an image. - -*/ - -(function($) { - - var options = { - canvas: true - }; - - var render, getTextInfo, addText; - - // Cache the prototype hasOwnProperty for faster access - - var hasOwnProperty = Object.prototype.hasOwnProperty; - - function init(plot, classes) { - - var Canvas = classes.Canvas; - - // We only want to replace the functions once; the second time around - // we would just get our new function back. This whole replacing of - // prototype functions is a disaster, and needs to be changed ASAP. - - if (render == null) { - getTextInfo = Canvas.prototype.getTextInfo, - addText = Canvas.prototype.addText, - render = Canvas.prototype.render; - } - - // Finishes rendering the canvas, including overlaid text - - Canvas.prototype.render = function() { - - if (!plot.getOptions().canvas) { - return render.call(this); - } - - var context = this.context, - cache = this._textCache; - - // For each text layer, render elements marked as active - - context.save(); - context.textBaseline = "middle"; - - for (var layerKey in cache) { - if (hasOwnProperty.call(cache, layerKey)) { - var layerCache = cache[layerKey]; - for (var styleKey in layerCache) { - if (hasOwnProperty.call(layerCache, styleKey)) { - var styleCache = layerCache[styleKey], - updateStyles = true; - for (var key in styleCache) { - if (hasOwnProperty.call(styleCache, key)) { - - var info = styleCache[key], - positions = info.positions, - lines = info.lines; - - // Since every element at this level of the cache have the - // same font and fill styles, we can just change them once - // using the values from the first element. - - if (updateStyles) { - context.fillStyle = info.font.color; - context.font = info.font.definition; - updateStyles = false; - } - - for (var i = 0, position; position = positions[i]; i++) { - if (position.active) { - for (var j = 0, line; line = position.lines[j]; j++) { - context.fillText(lines[j].text, line[0], line[1]); - } - } else { - positions.splice(i--, 1); - } - } - - if (positions.length == 0) { - delete styleCache[key]; - } - } - } - } - } - } - } - - context.restore(); - }; - - // Creates (if necessary) and returns a text info object. - // - // When the canvas option is set, the object looks like this: - // - // { - // width: Width of the text's bounding box. - // height: Height of the text's bounding box. - // positions: Array of positions at which this text is drawn. - // lines: [{ - // height: Height of this line. - // widths: Width of this line. - // text: Text on this line. - // }], - // font: { - // definition: Canvas font property string. - // color: Color of the text. - // }, - // } - // - // The positions array contains objects that look like this: - // - // { - // active: Flag indicating whether the text should be visible. - // lines: Array of [x, y] coordinates at which to draw the line. - // x: X coordinate at which to draw the text. - // y: Y coordinate at which to draw the text. - // } - - Canvas.prototype.getTextInfo = function(layer, text, font, angle, width) { - - if (!plot.getOptions().canvas) { - return getTextInfo.call(this, layer, text, font, angle, width); - } - - var textStyle, layerCache, styleCache, info; - - // Cast the value to a string, in case we were given a number - - text = "" + text; - - // If the font is a font-spec object, generate a CSS definition - - if (typeof font === "object") { - textStyle = font.style + " " + font.variant + " " + font.weight + " " + font.size + "px " + font.family; - } else { - textStyle = font; - } - - // Retrieve (or create) the cache for the text's layer and styles - - layerCache = this._textCache[layer]; - - if (layerCache == null) { - layerCache = this._textCache[layer] = {}; - } - - styleCache = layerCache[textStyle]; - - if (styleCache == null) { - styleCache = layerCache[textStyle] = {}; - } - - info = styleCache[text]; - - if (info == null) { - - var context = this.context; - - // If the font was provided as CSS, create a div with those - // classes and examine it to generate a canvas font spec. - - if (typeof font !== "object") { - - var element = $("
 
") - .css("position", "absolute") - .addClass(typeof font === "string" ? font : null) - .appendTo(this.getTextLayer(layer)); - - font = { - lineHeight: element.height(), - style: element.css("font-style"), - variant: element.css("font-variant"), - weight: element.css("font-weight"), - family: element.css("font-family"), - color: element.css("color") - }; - - // Setting line-height to 1, without units, sets it equal - // to the font-size, even if the font-size is abstract, - // like 'smaller'. This enables us to read the real size - // via the element's height, working around browsers that - // return the literal 'smaller' value. - - font.size = element.css("line-height", 1).height(); - - element.remove(); - } - - textStyle = font.style + " " + font.variant + " " + font.weight + " " + font.size + "px " + font.family; - - // Create a new info object, initializing the dimensions to - // zero so we can count them up line-by-line. - - info = styleCache[text] = { - width: 0, - height: 0, - positions: [], - lines: [], - font: { - definition: textStyle, - color: font.color - } - }; - - context.save(); - context.font = textStyle; - - // Canvas can't handle multi-line strings; break on various - // newlines, including HTML brs, to build a list of lines. - // Note that we could split directly on regexps, but IE < 9 is - // broken; revisit when we drop IE 7/8 support. - - var lines = (text + "").replace(/
|\r\n|\r/g, "\n").split("\n"); - - for (var i = 0; i < lines.length; ++i) { - - var lineText = lines[i], - measured = context.measureText(lineText); - - info.width = Math.max(measured.width, info.width); - info.height += font.lineHeight; - - info.lines.push({ - text: lineText, - width: measured.width, - height: font.lineHeight - }); - } - - context.restore(); - } - - return info; - }; - - // Adds a text string to the canvas text overlay. - - Canvas.prototype.addText = function(layer, x, y, text, font, angle, width, halign, valign) { - - if (!plot.getOptions().canvas) { - return addText.call(this, layer, x, y, text, font, angle, width, halign, valign); - } - - var info = this.getTextInfo(layer, text, font, angle, width), - positions = info.positions, - lines = info.lines; - - // Text is drawn with baseline 'middle', which we need to account - // for by adding half a line's height to the y position. - - y += info.height / lines.length / 2; - - // Tweak the initial y-position to match vertical alignment - - if (valign == "middle") { - y = Math.round(y - info.height / 2); - } else if (valign == "bottom") { - y = Math.round(y - info.height); - } else { - y = Math.round(y); - } - - // FIXME: LEGACY BROWSER FIX - // AFFECTS: Opera < 12.00 - - // Offset the y coordinate, since Opera is off pretty - // consistently compared to the other browsers. - - if (!!(window.opera && window.opera.version().split(".")[0] < 12)) { - y -= 2; - } - - // Determine whether this text already exists at this position. - // If so, mark it for inclusion in the next render pass. - - for (var i = 0, position; position = positions[i]; i++) { - if (position.x == x && position.y == y) { - position.active = true; - return; - } - } - - // If the text doesn't exist at this position, create a new entry - - position = { - active: true, - lines: [], - x: x, - y: y - }; - - positions.push(position); - - // Fill in the x & y positions of each line, adjusting them - // individually for horizontal alignment. - - for (var i = 0, line; line = lines[i]; i++) { - if (halign == "center") { - position.lines.push([Math.round(x - line.width / 2), y]); - } else if (halign == "right") { - position.lines.push([Math.round(x - line.width), y]); - } else { - position.lines.push([Math.round(x), y]); - } - y += line.height; - } - }; - } - - $.plot.plugins.push({ - init: init, - options: options, - name: "canvas", - version: "1.0" - }); - -})(jQuery);