1.1 --- a/bootstrap-source/bootstrap-3.0.3/docs-assets/js/holder.js Sat Jan 18 12:34:36 2014 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,500 +0,0 @@
1.4 -/*
1.5 -
1.6 -Holder - 2.2 - client side image placeholders
1.7 -(c) 2012-2013 Ivan Malopinsky / http://imsky.co
1.8 -
1.9 -Provided under the MIT License.
1.10 -Commercial use requires attribution.
1.11 -
1.12 -*/
1.13 -
1.14 -var Holder = Holder || {};
1.15 -(function (app, win) {
1.16 -
1.17 -var preempted = false,
1.18 -fallback = false,
1.19 -canvas = document.createElement('canvas');
1.20 -var dpr = 1, bsr = 1;
1.21 -var resizable_images = [];
1.22 -
1.23 -if (!canvas.getContext) {
1.24 - fallback = true;
1.25 -} else {
1.26 - if (canvas.toDataURL("image/png")
1.27 - .indexOf("data:image/png") < 0) {
1.28 - //Android doesn't support data URI
1.29 - fallback = true;
1.30 - } else {
1.31 - var ctx = canvas.getContext("2d");
1.32 - }
1.33 -}
1.34 -
1.35 -if(!fallback){
1.36 - dpr = window.devicePixelRatio || 1,
1.37 - bsr = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
1.38 -}
1.39 -
1.40 -var ratio = dpr / bsr;
1.41 -
1.42 -var settings = {
1.43 - domain: "holder.js",
1.44 - images: "img",
1.45 - bgnodes: ".holderjs",
1.46 - themes: {
1.47 - "gray": {
1.48 - background: "#eee",
1.49 - foreground: "#aaa",
1.50 - size: 12
1.51 - },
1.52 - "social": {
1.53 - background: "#3a5a97",
1.54 - foreground: "#fff",
1.55 - size: 12
1.56 - },
1.57 - "industrial": {
1.58 - background: "#434A52",
1.59 - foreground: "#C2F200",
1.60 - size: 12
1.61 - },
1.62 - "sky": {
1.63 - background: "#0D8FDB",
1.64 - foreground: "#fff",
1.65 - size: 12
1.66 - },
1.67 - "vine": {
1.68 - background: "#39DBAC",
1.69 - foreground: "#1E292C",
1.70 - size: 12
1.71 - },
1.72 - "lava": {
1.73 - background: "#F8591A",
1.74 - foreground: "#1C2846",
1.75 - size: 12
1.76 - }
1.77 - },
1.78 - stylesheet: ""
1.79 -};
1.80 -app.flags = {
1.81 - dimensions: {
1.82 - regex: /^(\d+)x(\d+)$/,
1.83 - output: function (val) {
1.84 - var exec = this.regex.exec(val);
1.85 - return {
1.86 - width: +exec[1],
1.87 - height: +exec[2]
1.88 - }
1.89 - }
1.90 - },
1.91 - fluid: {
1.92 - regex: /^([0-9%]+)x([0-9%]+)$/,
1.93 - output: function (val) {
1.94 - var exec = this.regex.exec(val);
1.95 - return {
1.96 - width: exec[1],
1.97 - height: exec[2]
1.98 - }
1.99 - }
1.100 - },
1.101 - colors: {
1.102 - regex: /#([0-9a-f]{3,})\:#([0-9a-f]{3,})/i,
1.103 - output: function (val) {
1.104 - var exec = this.regex.exec(val);
1.105 - return {
1.106 - size: settings.themes.gray.size,
1.107 - foreground: "#" + exec[2],
1.108 - background: "#" + exec[1]
1.109 - }
1.110 - }
1.111 - },
1.112 - text: {
1.113 - regex: /text\:(.*)/,
1.114 - output: function (val) {
1.115 - return this.regex.exec(val)[1];
1.116 - }
1.117 - },
1.118 - font: {
1.119 - regex: /font\:(.*)/,
1.120 - output: function (val) {
1.121 - return this.regex.exec(val)[1];
1.122 - }
1.123 - },
1.124 - auto: {
1.125 - regex: /^auto$/
1.126 - },
1.127 - textmode: {
1.128 - regex: /textmode\:(.*)/,
1.129 - output: function(val){
1.130 - return this.regex.exec(val)[1];
1.131 - }
1.132 - }
1.133 -}
1.134 -
1.135 -//getElementsByClassName polyfill
1.136 -document.getElementsByClassName||(document.getElementsByClassName=function(e){var t=document,n,r,i,s=[];if(t.querySelectorAll)return t.querySelectorAll("."+e);if(t.evaluate){r=".//*[contains(concat(' ', @class, ' '), ' "+e+" ')]",n=t.evaluate(r,t,null,0,null);while(i=n.iterateNext())s.push(i)}else{n=t.getElementsByTagName("*"),r=new RegExp("(^|\\s)"+e+"(\\s|$)");for(i=0;i<n.length;i++)r.test(n[i].className)&&s.push(n[i])}return s})
1.137 -
1.138 -//getComputedStyle polyfill
1.139 -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})
1.140 -
1.141 -//http://javascript.nwbox.com/ContentLoaded by Diego Perini with modifications
1.142 -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)}}
1.143 -
1.144 -//https://gist.github.com/991057 by Jed Schmidt with modifications
1.145 -function selector(a){
1.146 - a=a.match(/^(\W)?(.*)/);var b=document["getElement"+(a[1]?a[1]=="#"?"ById":"sByClassName":"sByTagName")](a[2]);
1.147 - var ret=[]; b!==null&&(b.length?ret=b:b.length===0?ret=b:ret=[b]); return ret;
1.148 -}
1.149 -
1.150 -//shallow object property extend
1.151 -function extend(a,b){
1.152 - var c={};
1.153 - for(var i in a){
1.154 - if(a.hasOwnProperty(i)){
1.155 - c[i]=a[i];
1.156 - }
1.157 - }
1.158 - for(var i in b){
1.159 - if(b.hasOwnProperty(i)){
1.160 - c[i]=b[i];
1.161 - }
1.162 - }
1.163 - return c
1.164 -}
1.165 -
1.166 -//hasOwnProperty polyfill
1.167 -if (!Object.prototype.hasOwnProperty)
1.168 - /*jshint -W001, -W103 */
1.169 - Object.prototype.hasOwnProperty = function(prop) {
1.170 - var proto = this.__proto__ || this.constructor.prototype;
1.171 - return (prop in this) && (!(prop in proto) || proto[prop] !== this[prop]);
1.172 - }
1.173 - /*jshint +W001, +W103 */
1.174 -
1.175 -function text_size(width, height, template) {
1.176 - height = parseInt(height, 10);
1.177 - width = parseInt(width, 10);
1.178 - var bigSide = Math.max(height, width)
1.179 - var smallSide = Math.min(height, width)
1.180 - var scale = 1 / 12;
1.181 - var newHeight = Math.min(smallSide * 0.75, 0.75 * bigSide * scale);
1.182 - return {
1.183 - height: Math.round(Math.max(template.size, newHeight))
1.184 - }
1.185 -}
1.186 -
1.187 -function draw(args) {
1.188 - var ctx = args.ctx;
1.189 - var dimensions = args.dimensions;
1.190 - var template = args.template;
1.191 - var ratio = args.ratio;
1.192 - var holder = args.holder;
1.193 - var literal = holder.textmode == "literal";
1.194 - var exact = holder.textmode == "exact";
1.195 -
1.196 - var ts = text_size(dimensions.width, dimensions.height, template);
1.197 - var text_height = ts.height;
1.198 - var width = dimensions.width * ratio,
1.199 - height = dimensions.height * ratio;
1.200 - var font = template.font ? template.font : "sans-serif";
1.201 - canvas.width = width;
1.202 - canvas.height = height;
1.203 - ctx.textAlign = "center";
1.204 - ctx.textBaseline = "middle";
1.205 - ctx.fillStyle = template.background;
1.206 - ctx.fillRect(0, 0, width, height);
1.207 - ctx.fillStyle = template.foreground;
1.208 - ctx.font = "bold " + text_height + "px " + font;
1.209 - var text = template.text ? template.text : (Math.floor(dimensions.width) + "x" + Math.floor(dimensions.height));
1.210 - if (literal) {
1.211 - var dimensions = holder.dimensions;
1.212 - text = dimensions.width + "x" + dimensions.height;
1.213 - }
1.214 - else if(exact && holder.exact_dimensions){
1.215 - var dimensions = holder.exact_dimensions;
1.216 - text = (Math.floor(dimensions.width) + "x" + Math.floor(dimensions.height));
1.217 - }
1.218 - var text_width = ctx.measureText(text).width;
1.219 - if (text_width / width >= 0.75) {
1.220 - text_height = Math.floor(text_height * 0.75 * (width / text_width));
1.221 - }
1.222 - //Resetting font size if necessary
1.223 - ctx.font = "bold " + (text_height * ratio) + "px " + font;
1.224 - ctx.fillText(text, (width / 2), (height / 2), width);
1.225 - return canvas.toDataURL("image/png");
1.226 -}
1.227 -
1.228 -function render(mode, el, holder, src) {
1.229 -
1.230 - var dimensions = holder.dimensions,
1.231 - theme = holder.theme,
1.232 - text = holder.text ? decodeURIComponent(holder.text) : holder.text;
1.233 - var dimensions_caption = dimensions.width + "x" + dimensions.height;
1.234 - theme = (text ? extend(theme, {
1.235 - text: text
1.236 - }) : theme);
1.237 - theme = (holder.font ? extend(theme, {
1.238 - font: holder.font
1.239 - }) : theme);
1.240 - el.setAttribute("data-src", src);
1.241 - holder.theme = theme;
1.242 - el.holder_data = holder;
1.243 -
1.244 - if (mode == "image") {
1.245 - el.setAttribute("alt", text ? text : theme.text ? theme.text + " [" + dimensions_caption + "]" : dimensions_caption);
1.246 - if (fallback || !holder.auto) {
1.247 - el.style.width = dimensions.width + "px";
1.248 - el.style.height = dimensions.height + "px";
1.249 - }
1.250 - if (fallback) {
1.251 - el.style.backgroundColor = theme.background;
1.252 - } else {
1.253 - el.setAttribute("src", draw({ctx: ctx, dimensions: dimensions, template: theme, ratio:ratio, holder: holder}));
1.254 -
1.255 - if(holder.textmode && holder.textmode == "exact"){
1.256 - resizable_images.push(el);
1.257 - resizable_update(el);
1.258 - }
1.259 -
1.260 - }
1.261 - } else if (mode == "background") {
1.262 - if (!fallback) {
1.263 - el.style.backgroundImage = "url(" + draw({ctx:ctx, dimensions: dimensions, template: theme, ratio: ratio, holder: holder}) + ")";
1.264 - el.style.backgroundSize = dimensions.width + "px " + dimensions.height + "px";
1.265 - }
1.266 - } else if (mode == "fluid") {
1.267 - el.setAttribute("alt", text ? text : theme.text ? theme.text + " [" + dimensions_caption + "]" : dimensions_caption);
1.268 - if (dimensions.height.slice(-1) == "%") {
1.269 - el.style.height = dimensions.height
1.270 - } else {
1.271 - el.style.height = dimensions.height + "px"
1.272 - }
1.273 - if (dimensions.width.slice(-1) == "%") {
1.274 - el.style.width = dimensions.width
1.275 - } else {
1.276 - el.style.width = dimensions.width + "px"
1.277 - }
1.278 - if (el.style.display == "inline" || el.style.display === "" || el.style.display == "none") {
1.279 - el.style.display = "block";
1.280 - }
1.281 - if (fallback) {
1.282 - el.style.backgroundColor = theme.background;
1.283 - } else {
1.284 - resizable_images.push(el);
1.285 - resizable_update(el);
1.286 - }
1.287 - }
1.288 -}
1.289 -
1.290 -function dimension_check(el, callback) {
1.291 - var dimensions = {
1.292 - height: el.clientHeight,
1.293 - width: el.clientWidth
1.294 - };
1.295 - if (!dimensions.height && !dimensions.width) {
1.296 - if (el.hasAttribute("data-holder-invisible")) {
1.297 - throw new Error("Holder: placeholder is not visible");
1.298 - } else {
1.299 - el.setAttribute("data-holder-invisible", true)
1.300 - setTimeout(function () {
1.301 - callback.call(this, el)
1.302 - }, 1)
1.303 - return null;
1.304 - }
1.305 - } else {
1.306 - el.removeAttribute("data-holder-invisible")
1.307 - }
1.308 - return dimensions;
1.309 -}
1.310 -
1.311 -function resizable_update(element) {
1.312 - var images;
1.313 - if (element.nodeType == null) {
1.314 - images = resizable_images;
1.315 - } else {
1.316 - images = [element]
1.317 - }
1.318 - for (var i in images) {
1.319 - if (!images.hasOwnProperty(i)) {
1.320 - continue;
1.321 - }
1.322 - var el = images[i]
1.323 - if (el.holder_data) {
1.324 - var holder = el.holder_data;
1.325 - var dimensions = dimension_check(el, resizable_update)
1.326 - if(dimensions){
1.327 - if(holder.fluid){
1.328 - el.setAttribute("src", draw({
1.329 - ctx: ctx,
1.330 - dimensions: dimensions,
1.331 - template: holder.theme,
1.332 - ratio: ratio,
1.333 - holder: holder
1.334 - }))
1.335 - }
1.336 - if(holder.textmode && holder.textmode == "exact"){
1.337 - holder.exact_dimensions = dimensions;
1.338 - el.setAttribute("src", draw({
1.339 - ctx: ctx,
1.340 - dimensions: holder.dimensions,
1.341 - template: holder.theme,
1.342 - ratio: ratio,
1.343 - holder: holder
1.344 - }))
1.345 - }
1.346 - }
1.347 - }
1.348 - }
1.349 -}
1.350 -
1.351 -function parse_flags(flags, options) {
1.352 - var ret = {
1.353 - theme: extend(settings.themes.gray, {})
1.354 - };
1.355 - var render = false;
1.356 - for (sl = flags.length, j = 0; j < sl; j++) {
1.357 - var flag = flags[j];
1.358 - if (app.flags.dimensions.match(flag)) {
1.359 - render = true;
1.360 - ret.dimensions = app.flags.dimensions.output(flag);
1.361 - } else if (app.flags.fluid.match(flag)) {
1.362 - render = true;
1.363 - ret.dimensions = app.flags.fluid.output(flag);
1.364 - ret.fluid = true;
1.365 - } else if (app.flags.textmode.match(flag)) {
1.366 - ret.textmode = app.flags.textmode.output(flag)
1.367 - } else if (app.flags.colors.match(flag)) {
1.368 - ret.theme = app.flags.colors.output(flag);
1.369 - } else if (options.themes[flag]) {
1.370 - //If a theme is specified, it will override custom colors
1.371 - if(options.themes.hasOwnProperty(flag)){
1.372 - ret.theme = extend(options.themes[flag], {});
1.373 - }
1.374 - } else if (app.flags.font.match(flag)) {
1.375 - ret.font = app.flags.font.output(flag);
1.376 - } else if (app.flags.auto.match(flag)) {
1.377 - ret.auto = true;
1.378 - } else if (app.flags.text.match(flag)) {
1.379 - ret.text = app.flags.text.output(flag);
1.380 - }
1.381 - }
1.382 - return render ? ret : false;
1.383 -}
1.384 -
1.385 -for (var flag in app.flags) {
1.386 - if (!app.flags.hasOwnProperty(flag)) continue;
1.387 - app.flags[flag].match = function (val) {
1.388 - return val.match(this.regex)
1.389 - }
1.390 -}
1.391 -app.add_theme = function (name, theme) {
1.392 - name != null && theme != null && (settings.themes[name] = theme);
1.393 - return app;
1.394 -};
1.395 -app.add_image = function (src, el) {
1.396 - var node = selector(el);
1.397 - if (node.length) {
1.398 - for (var i = 0, l = node.length; i < l; i++) {
1.399 - var img = document.createElement("img")
1.400 - img.setAttribute("data-src", src);
1.401 - node[i].appendChild(img);
1.402 - }
1.403 - }
1.404 - return app;
1.405 -};
1.406 -app.run = function (o) {
1.407 - preempted = true;
1.408 -
1.409 - var options = extend(settings, o),
1.410 - images = [],
1.411 - imageNodes = [],
1.412 - bgnodes = [];
1.413 - if (typeof (options.images) == "string") {
1.414 - imageNodes = selector(options.images);
1.415 - } else if (window.NodeList && options.images instanceof window.NodeList) {
1.416 - imageNodes = options.images;
1.417 - } else if (window.Node && options.images instanceof window.Node) {
1.418 - imageNodes = [options.images];
1.419 - }
1.420 -
1.421 - if (typeof (options.bgnodes) == "string") {
1.422 - bgnodes = selector(options.bgnodes);
1.423 - } else if (window.NodeList && options.elements instanceof window.NodeList) {
1.424 - bgnodes = options.bgnodes;
1.425 - } else if (window.Node && options.bgnodes instanceof window.Node) {
1.426 - bgnodes = [options.bgnodes];
1.427 - }
1.428 - for (i = 0, l = imageNodes.length; i < l; i++) images.push(imageNodes[i]);
1.429 - var holdercss = document.getElementById("holderjs-style");
1.430 - if (!holdercss) {
1.431 - holdercss = document.createElement("style");
1.432 - holdercss.setAttribute("id", "holderjs-style");
1.433 - holdercss.type = "text/css";
1.434 - document.getElementsByTagName("head")[0].appendChild(holdercss);
1.435 - }
1.436 - if (!options.nocss) {
1.437 - if (holdercss.styleSheet) {
1.438 - holdercss.styleSheet.cssText += options.stylesheet;
1.439 - } else {
1.440 - holdercss.appendChild(document.createTextNode(options.stylesheet));
1.441 - }
1.442 - }
1.443 - var cssregex = new RegExp(options.domain + "\/(.*?)\"?\\)");
1.444 - for (var l = bgnodes.length, i = 0; i < l; i++) {
1.445 - var src = window.getComputedStyle(bgnodes[i], null)
1.446 - .getPropertyValue("background-image");
1.447 - var flags = src.match(cssregex);
1.448 - var bgsrc = bgnodes[i].getAttribute("data-background-src");
1.449 - if (flags) {
1.450 - var holder = parse_flags(flags[1].split("/"), options);
1.451 - if (holder) {
1.452 - render("background", bgnodes[i], holder, src);
1.453 - }
1.454 - } else if (bgsrc != null) {
1.455 - var holder = parse_flags(bgsrc.substr(bgsrc.lastIndexOf(options.domain) + options.domain.length + 1)
1.456 - .split("/"), options);
1.457 - if (holder) {
1.458 - render("background", bgnodes[i], holder, src);
1.459 - }
1.460 - }
1.461 - }
1.462 - for (l = images.length, i = 0; i < l; i++) {
1.463 - var attr_data_src, attr_src;
1.464 - attr_src = attr_data_src = src = null;
1.465 - try {
1.466 - attr_src = images[i].getAttribute("src");
1.467 - attr_datasrc = images[i].getAttribute("data-src");
1.468 - } catch (e) {}
1.469 - if (attr_datasrc == null && !! attr_src && attr_src.indexOf(options.domain) >= 0) {
1.470 - src = attr_src;
1.471 - } else if ( !! attr_datasrc && attr_datasrc.indexOf(options.domain) >= 0) {
1.472 - src = attr_datasrc;
1.473 - }
1.474 - if (src) {
1.475 - var holder = parse_flags(src.substr(src.lastIndexOf(options.domain) + options.domain.length + 1)
1.476 - .split("/"), options);
1.477 - if (holder) {
1.478 - if (holder.fluid) {
1.479 - render("fluid", images[i], holder, src)
1.480 - } else {
1.481 - render("image", images[i], holder, src);
1.482 - }
1.483 - }
1.484 - }
1.485 - }
1.486 - return app;
1.487 -};
1.488 -contentLoaded(win, function () {
1.489 - if (window.addEventListener) {
1.490 - window.addEventListener("resize", resizable_update, false);
1.491 - window.addEventListener("orientationchange", resizable_update, false);
1.492 - } else {
1.493 - window.attachEvent("onresize", resizable_update)
1.494 - }
1.495 - preempted || app.run();
1.496 -});
1.497 -if (typeof define === "function" && define.amd) {
1.498 - define([], function () {
1.499 - return app;
1.500 - });
1.501 -}
1.502 -
1.503 -})(Holder, window);