css-min.js

ext js demo ext学习资料

/*
 * Ext JS Library 1.1 RC 1
 * Copyright(c) 2006-2007, Ext JS, LLC.
 * [e-mail]
 * 
 * http://www.extjs.com/license
 */


Ext.util.CSS=function(){var _1=null;var _2=document;var _3=/(-[a-z])/gi;var _4=function(m,a){return a.charAt(1).toUpperCase();};return{createStyleSheet:function(_7,id){var ss;var _a=_2.getElementsByTagName("head")[0];var _b=_2.createElement("style");_b.setAttribute("type","text/css");if(id){_b.setAttribute("id",id);}if(Ext.isIE){_a.appendChild(_b);ss=_b.styleSheet;ss.cssText=_7;}else{try{_b.appendChild(_2.createTextNode(_7));}catch(e){_b.cssText=_7;}_a.appendChild(_b);ss=_b.styleSheet?_b.styleSheet:(_b.sheet||_2.styleSheets[_2.styleSheets.length-1]);}this.cacheStyleSheet(ss);return ss;},removeStyleSheet:function(id){var _d=_2.getElementById(id);if(_d){_d.parentNode.removeChild(_d);}},swapStyleSheet:function(id,_f){this.removeStyleSheet(id);var ss=_2.createElement("link");ss.setAttribute("rel","stylesheet");ss.setAttribute("type","text/css");ss.setAttribute("id",id);ss.setAttribute("href",_f);_2.getElementsByTagName("head")[0].appendChild(ss);},refreshCache:function(){return this.getRules(true);},cacheStyleSheet:function(ss){if(!_1){_1={};}try{var _12=ss.cssRules||ss.rules;for(var j=_12.length-1;j>=0;--j){_1[_12[j].selectorText]=_12[j];}}catch(e){}},getRules:function(_14){if(_1==null||_14){_1={};var ds=_2.styleSheets;for(var i=0,len=ds.length;i<len;i++){try{this.cacheStyleSheet(ds[i]);}catch(e){}}}return _1;},getRule:function(_18,_19){var rs=this.getRules(_19);if(!(_18 instanceof Array)){return rs[_18];}for(var i=0;i<_18.length;i++){if(rs[_18[i]]){return rs[_18[i]];}}return null;},updateRule:function(_1c,_1d,_1e){if(!(_1c instanceof Array)){var _1f=this.getRule(_1c);if(_1f){_1f.style[_1d.replace(_3,_4)]=_1e;return true;}}else{for(var i=0;i<_1c.length;i++){if(this.updateRule(_1c[i],_1d,_1e)){return true;}}}return false;}};}();