jquery.flex.min.js

/**
 * jQuery Flex v0.2
 * A fluid asymmetrical animated grid plugin for jQuery
 * http://jsonenglish.com
 *
 * Licensed under the MIT license.
 * Copyright 2012 Jason English
 */
(function(b,d){var c={duration:300,padding:10,threshhold:50};function a(f,e){this.version="0.2";this.element=b(f);this.tiles=this.element.find("a");this.options=b.extend({},c,e);this.list=[];this.cache=[];this.init()}a.prototype.init=function(){this.buildCache();this.createEvents()};a.prototype.createCacheObj=function(e){return{elm:e,defaults:{width:e.width(),height:e.height(),left:parseInt(e.css("left"),10),top:parseInt(e.css("top"),10)},expanded:{width:parseInt(e.attr("width"),10),height:parseInt(e.attr("height"),10),left:parseInt(e.css("left"),10),top:parseInt(e.css("top"),10)}}};a.prototype.buildCache=function(){var g=this.tiles,h,f=g.length;for(var e=0;e<f;e++){h=b(g[e]);this.list.push(this.createCacheObj(h));this.cache[e]=this.list[this.list.length-1];h.data("flex-cache",e)}};a.prototype.createEvents=function(){var e=this;this.tiles.on("mouseenter",function(){e.change(this);e.animate("grow")}).on("mouseleave",function(){e.animate("shrink")})};a.prototype.getCache=function(e){return this.cache[b(e).data("flex-cache")]};a.prototype.animate=function(g){var f={queue:false,duration:300},e=0;if(g==="grow"){for(;e<this.changes.length;e++){this.changes[e].elm.dequeue().animate(this.changes[e].change,f)}}else{for(;e<this.list.length;e++){this.list[e].elm.dequeue().animate(this.list[e].defaults,f);delete this.list[e].change;delete this.list[e].start;delete this.list[e].adjusted}}};a.prototype.getPositions=function(e){return[[e.left,(e.left+e.width)],[e.top,e.top+e.height]]};a.prototype.comparePositions=function(h,g){var f,e;f=h[0]<=g[0]?h:g;e=h[0]<=g[0]?g:h;return f[1]>=e[0]||f[0]===e[0]};a.prototype.overlaps=function(f,e){var h=this.getPositions(f.change),g=this.getPositions(e.change||e.defaults);return this.comparePositions(h[0],g[0])&&this.comparePositions(h[1],g[1])};a.prototype.intersectors=function(h,f){var g=(f)?this.changes:this.list,i=[];for(var e=0;e<g.length;e++){if(g[e].elm[0]!==h.elm[0]&&!g[e].start&&!g[e].adjusted&&this.overlaps(h,g[e])){i.push(g[e])}}return i};a.prototype.adjust=function(f,u){var s,k,i,v,p={},r=u,o=false,g=this.options.threshhold,q=this.options.padding,n=f.defaults.top>r.defaults.top+r.defaults.height,m=f.defaults.top+f.defaults.height<r.defaults.top,j=f.defaults.left<r.defaults.left,e=f.defaults.left>r.defaults.left+r.defaults.width;if(m||n){s=f.defaults.width}else{if(e){s=f.defaults.left+f.defaults.width-(r.change.left+r.change.width)-q}else{s=r.change.width-f.defaults.width+q}}if(s<g){s=g;o=true}if(n||m){k=f.defaults.height+f.defaults.top-r.change.height-q}else{if(e){k=f.defaults.height}else{k=r.change.height-f.defaults.height}}if(k<g){k=g;o=true}if(n||m){i=f.defaults.left}else{if(e){i=(r.change.left+r.change.width)+q}else{i=r.change.left+r.change.width+q}}if(n){v=r.change.top+r.change.height+q}else{v=f.defaults.top}return[{width:s,height:k,left:i,top:v},o]};a.prototype.recursion=function(f){var m,n,s,e,j,g,o,h=this.times,r=this.changes,l,q=0,u=r.length,k=0;for(;q<u;q++){l=r[q];if(f){if(l.elm[0]===f.elm[0]){l.start=true;l.change=l.expanded;k++;break}}if(l.change&&!l.adjusted){if(!this.first){this.first=true;l.adjusted=true}j=this.intersectors(l,true);for(o=0;o<j.length;o++){e=j[o];if(!e.start&&e.elm[0]!==l.elm[0]){s=this.adjust(e,l);for(g=0;g<r.length;g++){if(e.elm[0]===r[g].elm[0]&&!r[g].adjusted){m=r[g];n=s[0];if(m.change&&(m.change.width===n.width&&m.change.height===n.height&&m.change.left===n.left&&m.change.top===n.top)){r[g].adjusted=true}else{r[g].change=s[0];k++}break}}}}}}if(k){this.recursion()}};a.prototype.change=function(g){var f=this.getCache(g),e=[];this.changes=b.extend(true,[],this.list);this.first=null;this.recursion(f)};b.fn.flex=function(e){var g=this.data("flex"),f=e||{};if(g){return g}this.each(function(){g=new a(this,f);b(this).data("flex",g)});return f.api?g:this}})(jQuery);