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Diffstat (limited to 'bower_components/bootstrap/docs-assets/js/holder.js')
| -rw-r--r-- | bower_components/bootstrap/docs-assets/js/holder.js | 404 |
1 files changed, 0 insertions, 404 deletions
diff --git a/bower_components/bootstrap/docs-assets/js/holder.js b/bower_components/bootstrap/docs-assets/js/holder.js deleted file mode 100644 index ebeb3c52..00000000 --- a/bower_components/bootstrap/docs-assets/js/holder.js +++ /dev/null @@ -1,404 +0,0 @@ -/* - -Holder - 2.1 - client side image placeholders -(c) 2012-2013 Ivan Malopinsky / http://imsky.co - -Provided under the MIT License. -Commercial use requires attribution. - -*/ - -var Holder = Holder || {}; -(function (app, win) { - -var preempted = false, -fallback = false, -canvas = document.createElement('canvas'); - -if (!canvas.getContext) { - fallback = true; -} else { - if (canvas.toDataURL("image/png") - .indexOf("data:image/png") < 0) { - //Android doesn't support data URI - fallback = true; - } else { - var ctx = canvas.getContext("2d"); - } -} - -var dpr = 1, bsr = 1; - -if(!fallback){ - dpr = window.devicePixelRatio || 1, - bsr = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1; -} - -var ratio = dpr / bsr; - -//getElementsByClassName polyfill -document.getElementsByClassName||(document.getElementsByClassName=function(e){var t=document,n,r,i,s=[];if(t.querySelectorAll)return t.querySelectorAll("."+e);if(t.evaluate){r=".//*[contains(concat(' ', @class, ' '), ' "+e+" ')]",n=t.evaluate(r,t,null,0,null);while(i=n.iterateNext())s.push(i)}else{n=t.getElementsByTagName("*"),r=new RegExp("(^|\\s)"+e+"(\\s|$)");for(i=0;i<n.length;i++)r.test(n[i].className)&&s.push(n[i])}return s}) - -//getComputedStyle polyfill -window.getComputedStyle||(window.getComputedStyle=function(e){return this.el=e,this.getPropertyValue=function(t){var n=/(\-([a-z]){1})/g;return t=="float"&&(t="styleFloat"),n.test(t)&&(t=t.replace(n,function(){return arguments[2].toUpperCase()})),e.currentStyle[t]?e.currentStyle[t]:null},this}) - -//http://javascript.nwbox.com/ContentLoaded by Diego Perini with modifications -function contentLoaded(n,t){var l="complete",s="readystatechange",u=!1,h=u,c=!0,i=n.document,a=i.documentElement,e=i.addEventListener?"addEventListener":"attachEvent",v=i.addEventListener?"removeEventListener":"detachEvent",f=i.addEventListener?"":"on",r=function(e){(e.type!=s||i.readyState==l)&&((e.type=="load"?n:i)[v](f+e.type,r,u),!h&&(h=!0)&&t.call(n,null))},o=function(){try{a.doScroll("left")}catch(n){setTimeout(o,50);return}r("poll")};if(i.readyState==l)t.call(n,"lazy");else{if(i.createEventObject&&a.doScroll){try{c=!n.frameElement}catch(y){}c&&o()}i[e](f+"DOMContentLoaded",r,u),i[e](f+s,r,u),n[e](f+"load",r,u)}} - -//https://gist.github.com/991057 by Jed Schmidt with modifications -function selector(a){ - a=a.match(/^(\W)?(.*)/);var b=document["getElement"+(a[1]?a[1]=="#"?"ById":"sByClassName":"sByTagName")](a[2]); - var ret=[]; b!==null&&(b.length?ret=b:b.length===0?ret=b:ret=[b]); return ret; -} - -//shallow object property extend -function extend(a,b){var c={};for(var d in a)c[d]=a[d];for(var e in b)c[e]=b[e];return c} - -//hasOwnProperty polyfill -if (!Object.prototype.hasOwnProperty) - /*jshint -W001, -W103 */ - Object.prototype.hasOwnProperty = function(prop) { - var proto = this.__proto__ || this.constructor.prototype; - return (prop in this) && (!(prop in proto) || proto[prop] !== this[prop]); - } - /*jshint +W001, +W103 */ - -function text_size(width, height, template) { - height = parseInt(height, 10); - width = parseInt(width, 10); - var bigSide = Math.max(height, width) - var smallSide = Math.min(height, width) - var scale = 1 / 12; - var newHeight = Math.min(smallSide * 0.75, 0.75 * bigSide * scale); - return { - height: Math.round(Math.max(template.size, newHeight)) - } -} - -function draw(ctx, dimensions, template, ratio, literal) { - var ts = text_size(dimensions.width, dimensions.height, template); - var text_height = ts.height; - var width = dimensions.width * ratio, - height = dimensions.height * ratio; - var font = template.font ? template.font : "sans-serif"; - canvas.width = width; - canvas.height = height; - ctx.textAlign = "center"; - ctx.textBaseline = "middle"; - ctx.fillStyle = template.background; - ctx.fillRect(0, 0, width, height); - ctx.fillStyle = template.foreground; - ctx.font = "bold " + text_height + "px " + font; - var text = template.text ? template.text : (Math.floor(dimensions.width) + "x" + Math.floor(dimensions.height)); - if (literal) { - text = template.literalText; - } - var text_width = ctx.measureText(text).width; - if (text_width / width >= 0.75) { - text_height = Math.floor(text_height * 0.75 * (width / text_width)); - } - //Resetting font size if necessary - ctx.font = "bold " + (text_height * ratio) + "px " + font; - ctx.fillText(text, (width / 2), (height / 2), width); - return canvas.toDataURL("image/png"); -} - -function render(mode, el, holder, src) { - var dimensions = holder.dimensions, - theme = holder.theme, - text = holder.text ? decodeURIComponent(holder.text) : holder.text; - var dimensions_caption = dimensions.width + "x" + dimensions.height; - theme = (text ? extend(theme, { - text: text - }) : theme); - theme = (holder.font ? extend(theme, { - font: holder.font - }) : theme); - el.setAttribute("data-src", src); - theme.literalText = dimensions_caption; - holder.originalTheme = holder.theme; - holder.theme = theme; - - if (mode == "image") { - el.setAttribute("alt", text ? text : theme.text ? theme.text + " [" + dimensions_caption + "]" : dimensions_caption); - if (fallback || !holder.auto) { - el.style.width = dimensions.width + "px"; - el.style.height = dimensions.height + "px"; - } - if (fallback) { - el.style.backgroundColor = theme.background; - } else { - el.setAttribute("src", draw(ctx, dimensions, theme, ratio)); - } - } else if (mode == "background") { - if (!fallback) { - el.style.backgroundImage = "url(" + draw(ctx, dimensions, theme, ratio) + ")"; - el.style.backgroundSize = dimensions.width + "px " + dimensions.height + "px"; - } - } else if (mode == "fluid") { - el.setAttribute("alt", text ? text : theme.text ? theme.text + " [" + dimensions_caption + "]" : dimensions_caption); - if (dimensions.height.slice(-1) == "%") { - el.style.height = dimensions.height - } else { - el.style.height = dimensions.height + "px" - } - if (dimensions.width.slice(-1) == "%") { - el.style.width = dimensions.width - } else { - el.style.width = dimensions.width + "px" - } - if (el.style.display == "inline" || el.style.display === "") { - el.style.display = "block"; - } - if (fallback) { - el.style.backgroundColor = theme.background; - } else { - el.holderData = holder; - fluid_images.push(el); - fluid_update(el); - } - } -} - -function fluid_update(element) { - var images; - if (element.nodeType == null) { - images = fluid_images; - } else { - images = [element] - } - for (var i in images) { - var el = images[i] - if (el.holderData) { - var holder = el.holderData; - el.setAttribute("src", draw(ctx, { - height: el.clientHeight, - width: el.clientWidth - }, holder.theme, ratio, !! holder.literal)); - } - } -} - -function parse_flags(flags, options) { - var ret = { - theme: settings.themes.gray - }; - var render = false; - for (sl = flags.length, j = 0; j < sl; j++) { - var flag = flags[j]; - if (app.flags.dimensions.match(flag)) { - render = true; - ret.dimensions = app.flags.dimensions.output(flag); - } else if (app.flags.fluid.match(flag)) { - render = true; - ret.dimensions = app.flags.fluid.output(flag); - ret.fluid = true; - } else if (app.flags.literal.match(flag)) { - ret.literal = true; - } else if (app.flags.colors.match(flag)) { - ret.theme = app.flags.colors.output(flag); - } else if (options.themes[flag]) { - //If a theme is specified, it will override custom colors - ret.theme = options.themes[flag]; - } else if (app.flags.font.match(flag)) { - ret.font = app.flags.font.output(flag); - } else if (app.flags.auto.match(flag)) { - ret.auto = true; - } else if (app.flags.text.match(flag)) { - ret.text = app.flags.text.output(flag); - } - } - return render ? ret : false; -} -var fluid_images = []; -var settings = { - domain: "holder.js", - images: "img", - bgnodes: ".holderjs", - themes: { - "gray": { - background: "#eee", - foreground: "#aaa", - size: 12 - }, - "social": { - background: "#3a5a97", - foreground: "#fff", - size: 12 - }, - "industrial": { - background: "#434A52", - foreground: "#C2F200", - size: 12 - } - }, - stylesheet: "" -}; -app.flags = { - dimensions: { - regex: /^(\d+)x(\d+)$/, - output: function (val) { - var exec = this.regex.exec(val); - return { - width: +exec[1], - height: +exec[2] - } - } - }, - fluid: { - regex: /^([0-9%]+)x([0-9%]+)$/, - output: function (val) { - var exec = this.regex.exec(val); - return { - width: exec[1], - height: exec[2] - } - } - }, - colors: { - regex: /#([0-9a-f]{3,})\:#([0-9a-f]{3,})/i, - output: function (val) { - var exec = this.regex.exec(val); - return { - size: settings.themes.gray.size, - foreground: "#" + exec[2], - background: "#" + exec[1] - } - } - }, - text: { - regex: /text\:(.*)/, - output: function (val) { - return this.regex.exec(val)[1]; - } - }, - font: { - regex: /font\:(.*)/, - output: function (val) { - return this.regex.exec(val)[1]; - } - }, - auto: { - regex: /^auto$/ - }, - literal: { - regex: /^literal$/ - } -} -for (var flag in app.flags) { - if (!app.flags.hasOwnProperty(flag)) continue; - app.flags[flag].match = function (val) { - return val.match(this.regex) - } -} -app.add_theme = function (name, theme) { - name != null && theme != null && (settings.themes[name] = theme); - return app; -}; -app.add_image = function (src, el) { - var node = selector(el); - if (node.length) { - for (var i = 0, l = node.length; i < l; i++) { - var img = document.createElement("img") - img.setAttribute("data-src", src); - node[i].appendChild(img); - } - } - return app; -}; -app.run = function (o) { - var options = extend(settings, o), - images = [], - imageNodes = [], - bgnodes = []; - if (typeof (options.images) == "string") { - imageNodes = selector(options.images); - } else if (window.NodeList && options.images instanceof window.NodeList) { - imageNodes = options.images; - } else if (window.Node && options.images instanceof window.Node) { - imageNodes = [options.images]; - } - if (typeof (options.bgnodes) == "string") { - bgnodes = selector(options.bgnodes); - } else if (window.NodeList && options.elements instanceof window.NodeList) { - bgnodes = options.bgnodes; - } else if (window.Node && options.bgnodes instanceof window.Node) { - bgnodes = [options.bgnodes]; - } - preempted = true; - for (i = 0, l = imageNodes.length; i < l; i++) images.push(imageNodes[i]); - var holdercss = document.getElementById("holderjs-style"); - if (!holdercss) { - holdercss = document.createElement("style"); - holdercss.setAttribute("id", "holderjs-style"); - holdercss.type = "text/css"; - document.getElementsByTagName("head")[0].appendChild(holdercss); - } - if (!options.nocss) { - if (holdercss.styleSheet) { - holdercss.styleSheet.cssText += options.stylesheet; - } else { - holdercss.appendChild(document.createTextNode(options.stylesheet)); - } - } - var cssregex = new RegExp(options.domain + "\/(.*?)\"?\\)"); - for (var l = bgnodes.length, i = 0; i < l; i++) { - var src = window.getComputedStyle(bgnodes[i], null) - .getPropertyValue("background-image"); - var flags = src.match(cssregex); - var bgsrc = bgnodes[i].getAttribute("data-background-src"); - if (flags) { - var holder = parse_flags(flags[1].split("/"), options); - if (holder) { - render("background", bgnodes[i], holder, src); - } - } else if (bgsrc != null) { - var holder = parse_flags(bgsrc.substr(bgsrc.lastIndexOf(options.domain) + options.domain.length + 1) - .split("/"), options); - if (holder) { - render("background", bgnodes[i], holder, src); - } - } - } - for (l = images.length, i = 0; i < l; i++) { - var attr_data_src, attr_src; - attr_src = attr_data_src = src = null; - try { - attr_src = images[i].getAttribute("src"); - attr_datasrc = images[i].getAttribute("data-src"); - } catch (e) {} - if (attr_datasrc == null && !! attr_src && attr_src.indexOf(options.domain) >= 0) { - src = attr_src; - } else if ( !! attr_datasrc && attr_datasrc.indexOf(options.domain) >= 0) { - src = attr_datasrc; - } - if (src) { - var holder = parse_flags(src.substr(src.lastIndexOf(options.domain) + options.domain.length + 1) - .split("/"), options); - if (holder) { - if (holder.fluid) { - render("fluid", images[i], holder, src) - } else { - render("image", images[i], holder, src); - } - } - } - } - return app; -}; -contentLoaded(win, function () { - if (window.addEventListener) { - window.addEventListener("resize", fluid_update, false); - window.addEventListener("orientationchange", fluid_update, false); - } else { - window.attachEvent("onresize", fluid_update) - } - preempted || app.run(); -}); -if (typeof define === "function" && define.amd) { - define([], function () { - return app; - }); -} - -})(Holder, window); |