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Merge pull request #12463 from XhmikosR/12440 

Downgrade holder.js to v2.2.0.
This commit is contained in:
Chris Rebert 2014-01-31 00:40:43 -08:00
parent 2c6b099f91 7b9c0a38a7
commit 40d3cf6cd7
2 changed files with 85 additions and 230 deletions
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6
docs/assets/js/docs.min.js vendored
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309
docs/assets/js/vendor/holder.js vendored
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@ -1,44 +1,35 @@
/*!
Holder - 2.3 - client side image placeholders
(c) 2012-2014 Ivan Malopinsky / http://imsky.co
Holder - 2.2 - 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 system_config = {
use_svg: false,
use_canvas: false,
use_fallback: false
};
var instance_config = {};
var preempted = false;
var preempted = false,
fallback = false,
canvas = document.createElement('canvas');
var dpr = 1, bsr = 1;
var resizable_images = [];
if (!canvas.getContext) {
system_config.use_fallback = true;
fallback = true;
} else {
if (canvas.toDataURL("image/png")
.indexOf("data:image/png") < 0) {
//Android doesn't support data URI
system_config.use_fallback = true;
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){
if(!fallback){
dpr = window.devicePixelRatio || 1,
bsr = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
}
@ -138,6 +129,46 @@ app.flags = {
}
}
//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 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 */
function text_size(width, height, template) {
height = parseInt(height, 10);
width = parseInt(width, 10);
@ -150,64 +181,20 @@ function text_size(width, height, template) {
}
}
var svg_el = (function(){
var serializer = new XMLSerializer();
var svg_ns = "http://www.w3.org/2000/svg"
var svg = document.createElementNS(svg_ns, "svg");
svg.setAttribute("xmlns", "http://www.w3.org/2000/svg")
svg.setAttribute("xmlns:xlink", "http://www.w3.org/1999/xlink");
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";
function draw(args) {
var ctx = args.ctx;
var dimensions = args.dimensions;
var template = args.template;
var ratio = args.ratio;
var holder = args.holder;
var literal = holder.textmode == "literal";
var 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";
var font = template.font ? template.font : "sans-serif";
canvas.width = width;
canvas.height = height;
ctx.textAlign = "center";
@ -235,50 +222,8 @@ function draw_canvas(args) {
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(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;
@ -295,11 +240,11 @@ function render(mode, el, holder, src) {
if (mode == "image") {
el.setAttribute("alt", text ? text : theme.text ? theme.text + " [" + dimensions_caption + "]" : dimensions_caption);
if (instance_config.use_fallback || !holder.auto) {
if (fallback || !holder.auto) {
el.style.width = dimensions.width + "px";
el.style.height = dimensions.height + "px";
}
if (instance_config.use_fallback) {
if (fallback) {
el.style.backgroundColor = theme.background;
} else {
el.setAttribute("src", draw({ctx: ctx, dimensions: dimensions, template: theme, ratio:ratio, holder: holder}));
@ -311,7 +256,7 @@ function render(mode, el, holder, src) {
}
} else if (mode == "background") {
if (!instance_config.use_fallback) {
if (!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";
}
@ -319,21 +264,18 @@ function render(mode, el, holder, src) {
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){
} else {
el.style.height = dimensions.height + "px"
}
if (dimensions.width.slice(-1) == "%") {
el.style.width = dimensions.width
} else if(holder.auto == null || !holder.auto){
} else {
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) {
if (fallback) {
el.style.backgroundColor = theme.background;
} else {
resizable_images.push(el);
@ -348,36 +290,19 @@ function dimension_check(el, callback) {
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
}
if (el.hasAttribute("data-holder-invisible")) {
throw new Error("Holder: placeholder is not visible");
} else {
el.setAttribute("data-holder-invisible", true)
setTimeout(function () {
callback.call(this, el)
}, 1)
return null;
}
} else {
el.removeAttribute("data-holder-invisible")
}
return dimensions;
}
function resizable_update(element) {
@ -394,19 +319,9 @@ function resizable_update(element) {
var el = images[i]
if (el.holder_data) {
var holder = el.holder_data;
var dimensions = dimension_check(el, app.invisible_error_fn( resizable_update))
var dimensions = dimension_check(el, 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,
@ -435,7 +350,7 @@ function parse_flags(flags, options) {
theme: extend(settings.themes.gray, {})
};
var render = false;
for (var fl = flags.length, j = 0; j < fl; j++) {
for (sl = flags.length, j = 0; j < sl; j++) {
var flag = flags[j];
if (app.flags.dimensions.match(flag)) {
render = true;
@ -470,20 +385,10 @@ for (var flag in app.flags) {
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) {
@ -495,31 +400,21 @@ app.add_image = function (src, el) {
}
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) {
@ -574,7 +469,8 @@ app.run = function (o) {
src = attr_datasrc;
}
if (src) {
var holder = parse_flags(src.substr(src.lastIndexOf(options.domain) + options.domain.length + 1).split("/"), options);
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)
@ -586,7 +482,6 @@ app.run = function (o) {
}
return app;
};
contentLoaded(win, function () {
if (window.addEventListener) {
window.addEventListener("resize", resizable_update, false);
@ -594,7 +489,7 @@ contentLoaded(win, function () {
} else {
window.attachEvent("onresize", resizable_update)
}
preempted || app.run({});
preempted || app.run();
});
if (typeof define === "function" && define.amd) {
define([], function () {
@ -602,44 +497,4 @@ if (typeof define === "function" && define.amd) {
});
}
//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);