1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/bootstrap-source/bootstrap-3.0.3/docs-assets/js/holder.js Fri Dec 20 22:49:16 2013 +0100
1.3 @@ -0,0 +1,500 @@
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);