Added: incubator/devicemap/whiteboard/_less/bootstrap-3.2.0/docs/assets/js/_vendor/holder.js URL: http://svn.apache.org/viewvc/incubator/devicemap/whiteboard/_less/bootstrap-3.2.0/docs/assets/js/_vendor/holder.js?rev=1620294&view=auto ============================================================================== --- incubator/devicemap/whiteboard/_less/bootstrap-3.2.0/docs/assets/js/_vendor/holder.js (added) +++ incubator/devicemap/whiteboard/_less/bootstrap-3.2.0/docs/assets/js/_vendor/holder.js Mon Aug 25 11:39:37 2014 @@ -0,0 +1,658 @@ +/*! + +Holder - 2.3.2 - client side image placeholders +(c) 2012-2014 Ivan Malopinsky / http://imsky.co + +Provided under the MIT License. +Commercial use requires attribution. + +*/ +var Holder = Holder || {}; +(function (app, win) { +var system_config = { + use_svg: false, + use_canvas: false, + use_fallback: false +}; +var instance_config = {}; +var preempted = false; +canvas = document.createElement('canvas'); +var dpr = 1, bsr = 1; +var resizable_images = []; + +if (!canvas.getContext) { + system_config.use_fallback = true; +} else { + if (canvas.toDataURL("image/png") + .indexOf("data:image/png") < 0) { + //Android doesn't support data URI + system_config.use_fallback = true; + } else { + var ctx = canvas.getContext("2d"); + } +} + +if(!!document.createElementNS && !!document.createElementNS('http://www.w3.org/2000/svg', 'svg').createSVGRect){ + system_config.use_svg = true; + system_config.use_canvas = false; +} + +if(!system_config.use_fallback){ + dpr = window.devicePixelRatio || 1, + bsr = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1; +} + +var ratio = dpr / bsr; + +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 + }, + "sky": { + background: "#0D8FDB", + foreground: "#fff", + size: 12 + }, + "vine": { + background: "#39DBAC", + foreground: "#1E292C", + size: 12 + }, + "lava": { + background: "#F8591A", + foreground: "#1C2846", + 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$/ + }, + textmode: { + regex: /textmode\:(.*)/, + output: function(val){ + return this.regex.exec(val)[1]; + } + } +} + +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)) + } +} + +var svg_el = (function(){ + //Prevent IE <9 from initializing SVG renderer + if(!window.XMLSerializer) return; + var serializer = new XMLSerializer(); + var svg_ns = "http://www.w3.org/2000/svg"; + var svg = document.createElementNS(svg_ns, "svg"); + //IE throws an exception if this is set and Chrome requires it to be set + if(svg.webkitMatchesSelector){ + svg.setAttribute("xmlns", "http://www.w3.org/2000/svg";) + } + var bg_el = document.createElementNS(svg_ns, "rect") + var text_el = document.createElementNS(svg_ns, "text") + var textnode_el = document.createTextNode(null) + text_el.setAttribute("text-anchor", "middle") + text_el.appendChild(textnode_el) + svg.appendChild(bg_el) + svg.appendChild(text_el) + + return function(props){ + svg.setAttribute("width",props.width); + svg.setAttribute("height", props.height); + bg_el.setAttribute("width", props.width); + bg_el.setAttribute("height", props.height); + bg_el.setAttribute("fill", props.template.background); + text_el.setAttribute("x", props.width/2) + text_el.setAttribute("y", props.height/2) + textnode_el.nodeValue=props.text + text_el.setAttribute("style", css_properties({ + "fill": props.template.foreground, + "font-weight": "bold", + "font-size": props.text_height+"px", + "font-family":props.font, + "dominant-baseline":"central" + })) + return serializer.serializeToString(svg) + } +})() + +function css_properties(props){ + var ret = []; + for(p in props){ + if(props.hasOwnProperty(p)){ + ret.push(p+":"+props[p]) + } + } + return ret.join(";") +} + +function draw_canvas(args) { + var ctx = args.ctx, + dimensions = args.dimensions, + template = args.template, + ratio = args.ratio, + holder = args.holder, + literal = holder.textmode == "literal", + exact = holder.textmode == "exact"; + + 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 : "Arial,Helvetica,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) { + var dimensions = holder.dimensions; + text = dimensions.width + "x" + dimensions.height; + } + else if(exact && holder.exact_dimensions){ + var dimensions = holder.exact_dimensions; + text = (Math.floor(dimensions.width) + "x" + Math.floor(dimensions.height)); + } + 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 draw_svg(args){ + var dimensions = args.dimensions, + template = args.template, + holder = args.holder, + literal = holder.textmode == "literal", + exact = holder.textmode == "exact"; + + var ts = text_size(dimensions.width, dimensions.height, template); + var text_height = ts.height; + var width = dimensions.width, + height = dimensions.height; + + var font = template.font ? template.font : "Arial,Helvetica,sans-serif"; + var text = template.text ? template.text : (Math.floor(dimensions.width) + "x" + Math.floor(dimensions.height)); + + if (literal) { + var dimensions = holder.dimensions; + text = dimensions.width + "x" + dimensions.height; + } + else if(exact && holder.exact_dimensions){ + var dimensions = holder.exact_dimensions; + text = (Math.floor(dimensions.width) + "x" + Math.floor(dimensions.height)); + } + var string = svg_el({ + text: text, + width:width, + height:height, + text_height:text_height, + font:font, + template:template + }) + return "data:image/svg+xml;base64,"+btoa(unescape(encodeURIComponent(string))); +} + +function draw(args) { + if(instance_config.use_canvas && !instance_config.use_svg){ + return draw_canvas(args); + } + else{ + return draw_svg(args); + } +} + +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); + holder.theme = theme; + el.holder_data = holder; + + if (mode == "image") { + el.setAttribute("alt", text ? text : theme.text ? theme.text + " [" + dimensions_caption + "]" : dimensions_caption); + if (instance_config.use_fallback || !holder.auto) { + el.style.width = dimensions.width + "px"; + el.style.height = dimensions.height + "px"; + } + if (instance_config.use_fallback) { + el.style.backgroundColor = theme.background; + } else { + el.setAttribute("src", draw({ctx: ctx, dimensions: dimensions, template: theme, ratio:ratio, holder: holder})); + + if(holder.textmode && holder.textmode == "exact"){ + resizable_images.push(el); + resizable_update(el); + } + + } + } else if (mode == "background") { + if (!instance_config.use_fallback) { + el.style.backgroundImage = "url(" + draw({ctx:ctx, dimensions: dimensions, template: theme, ratio: ratio, holder: holder}) + ")"; + 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 if(holder.auto == null || !holder.auto){ + el.style.height = dimensions.height + "px" + } + if (dimensions.width.slice(-1) == "%") { + el.style.width = dimensions.width + } else if(holder.auto == null || !holder.auto){ + el.style.width = dimensions.width + "px" + } + if (el.style.display == "inline" || el.style.display === "" || el.style.display == "none") { + el.style.display = "block"; + } + + set_initial_dimensions(el) + + if (instance_config.use_fallback) { + el.style.backgroundColor = theme.background; + } else { + resizable_images.push(el); + resizable_update(el); + } + } +} + +function dimension_check(el, callback) { + var dimensions = { + height: el.clientHeight, + width: el.clientWidth + }; + if (!dimensions.height && !dimensions.width) { + el.setAttribute("data-holder-invisible", true) + callback.call(this, el) + } + else{ + el.removeAttribute("data-holder-invisible") + return dimensions; + } +} + +function set_initial_dimensions(el){ + if(el.holder_data){ + var dimensions = dimension_check(el, app.invisible_error_fn( set_initial_dimensions)) + if(dimensions){ + var holder = el.holder_data; + holder.initial_dimensions = dimensions; + holder.fluid_data = { + fluid_height: holder.dimensions.height.slice(-1) == "%", + fluid_width: holder.dimensions.width.slice(-1) == "%", + mode: null + } + if(holder.fluid_data.fluid_width && !holder.fluid_data.fluid_height){ + holder.fluid_data.mode = "width" + holder.fluid_data.ratio = holder.initial_dimensions.width / parseFloat(holder.dimensions.height) + } + else if(!holder.fluid_data.fluid_width && holder.fluid_data.fluid_height){ + holder.fluid_data.mode = "height"; + holder.fluid_data.ratio = parseFloat(holder.dimensions.width) / holder.initial_dimensions.height + } + } + } +} + +function resizable_update(element) { + var images; + if (element.nodeType == null) { + images = resizable_images; + } else { + images = [element] + } + for (var i in images) { + if (!images.hasOwnProperty(i)) { + continue; + } + var el = images[i] + if (el.holder_data) { + var holder = el.holder_data; + var dimensions = dimension_check(el, app.invisible_error_fn( resizable_update)) + if(dimensions){ + if(holder.fluid){ + if(holder.auto){ + switch(holder.fluid_data.mode){ + case "width": + dimensions.height = dimensions.width / holder.fluid_data.ratio; + break; + case "height": + dimensions.width = dimensions.height * holder.fluid_data.ratio; + break; + } + } + el.setAttribute("src", draw({ + ctx: ctx, + dimensions: dimensions, + template: holder.theme, + ratio: ratio, + holder: holder + })) + } + if(holder.textmode && holder.textmode == "exact"){ + holder.exact_dimensions = dimensions; + el.setAttribute("src", draw({ + ctx: ctx, + dimensions: holder.dimensions, + template: holder.theme, + ratio: ratio, + holder: holder + })) + } + } + } + } +} + +function parse_flags(flags, options) { + var ret = { + theme: extend(settings.themes.gray, {}) + }; + var render = false; + for (var fl = flags.length, j = 0; j < fl; 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.textmode.match(flag)) { + ret.textmode = app.flags.textmode.output(flag) + } 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 + if(options.themes.hasOwnProperty(flag)){ + ret.theme = extend(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; +} + +for (var flag in app.flags) { + if (!app.flags.hasOwnProperty(flag)) continue; + app.flags[flag].match = function (val) { + return val.match(this.regex) + } +} + +app.invisible_error_fn = function(fn){ + return function(el){ + if(el.hasAttribute("data-holder-invisible")){ + throw new Error("Holder: invisible placeholder") + } + } +} + +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) { + + instance_config = extend({}, system_config) + preempted = true; + + var options = extend(settings, o), + images = [], + imageNodes = [], + bgnodes = []; + + if(options.use_canvas != null && options.use_canvas){ + instance_config.use_canvas = true; + instance_config.use_svg = false; + } + + 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]; + } else if(window.HTMLCollection && options.images instanceof window.HTMLCollection){ + 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]; + } + 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 { + if(options.stylesheet.length){ + 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", resizable_update, false); + window.addEventListener("orientationchange", resizable_update, false); + } else { + window.attachEvent("onresize", resizable_update) + } + preempted || app.run({}); + + if (typeof window.Turbolinks === "object") { + document.addEventListener("page:change", function() { app.run({}) }) + } +}); +if (typeof define === "function" && define.amd) { + define([], function () { + return app; + }); +} + +//github.com/davidchambers/Base64.js +(function(){function t(t){this.message=t}var e="undefined"!=typeof exports?exports:this,r="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";t.prototype=Error(),t.prototype.name="InvalidCharacterError",e.btoa||(e.btoa=function(e){for(var o,n,a=0,i=r,c="";e.charAt(0|a)||(i="=",a%1);c+=i.charAt(63&o>>8-8*(a%1))){if(n=e.charCodeAt(a+=.75),n>255)throw new t("'btoa' failed");o=o<<8|n}return c}),e.atob||(e.atob=function(e){if(e=e.replace(/=+$/,""),1==e.length%4)throw new t("'atob' failed");for(var o,n,a=0,i=0,c="";n=e.charAt(i++);~n&&(o=a%4?64*o+n:n,a++%4)?c+=String.fromCharCode(255&o>>(6&-2*a)):0)n=r.indexOf(n);return c})})(); + +//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,b){var a=a.match(/^(\W)?(.*)/),b=b||document,c=b["getElement"+(a[1]?"#"==a[1]?"ById":"sByClassName":"sByTagName")],d=c.call(b,a[2]),e=[];return null!==d&&(e=d.length||0===d.length?d:[d]),e} + +//shallow object property extend +function extend(a,b){ + var c={}; + for(var i in a){ + if(a.hasOwnProperty(i)){ + c[i]=a[i]; + } + } + for(var i in b){ + if(b.hasOwnProperty(i)){ + c[i]=b[i]; + } + } + 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 */ + +})(Holder, window);
