upgraded to yui 0.12.0

upgraded to yui-ext 0.33 rc2

www/extras/yui-ext/source/CSS.js

@@ -0,0 +1,157 @@
+/*
+ * YUI Extensions 0.33 RC2
+ * Copyright(c) 2006, Jack Slocum.
+ */
+
+/**
+ * @class YAHOO.ext.util.CSS
+ * Class for manipulating CSS Rules
+ * @singleton
+ */
+YAHOO.ext.util.CSS = new function(){
+	var rules = null;
+   	
+   	var toCamel = function(property) {
+      var convert = function(prop) {
+         var test = /(-[a-z])/i.exec(prop);
+         return prop.replace(RegExp.$1, RegExp.$1.substr(1).toUpperCase());
+      };
+      while(property.indexOf('-') > -1) {
+         property = convert(property);
+      }
+      return property;
+   };
+   
+   /**
+    * Gets all css rules for the document
+    * @param {Boolean} refreshCache true to refresh the internal cache
+    * @return {Object} An object (hash) of rules indexed by selector
+    */
+   this.getRules = function(refreshCache){
+   		if(rules == null || refreshCache){
+   			rules = {};
+   			var ds = document.styleSheets;
+   			for(var i =0, len = ds.length; i < len; i++){
+   			    try{
+    		        var ss = ds[i];
+    		        var ssRules = ss.cssRules || ss.rules;
+    		        for(var j = ssRules.length-1; j >= 0; --j){
+    		        	rules[ssRules[j].selectorText] = ssRules[j];
+    		        }
+   			    }catch(e){} // try catch for cross domain access issue
+	        }
+   		}
+   		return rules;
+   	};
+   	
+   	/**
+    * Gets an an individual CSS rule by selector(s)
+    * @param {String/Array} selector The CSS selector or an array of selectors to try. The first selector that is found is returned.
+    * @param {Boolean} refreshCache true to refresh the internal cache
+    * @return {CSSRule} The CSS rule or null if one is not found
+    */
+   this.getRule = function(selector, refreshCache){
+   		var rs = this.getRules(refreshCache);
+   		if(!(selector instanceof Array)){
+   		    return rs[selector];
+   		}
+   		for(var i = 0; i < selector.length; i++){
+			if(rs[selector[i]]){
+				return rs[selector[i]];
+			}
+		}
+		return null;
+   	};
+   	
+   	
+   	/**
+    * Updates a rule property
+    * @param {String/Array} selector If it's an array it tries each selector until it finds one. Stops immediately once one is found.
+    * @param {String} property The css property
+    * @param {String} value The new value for the property
+    * @return {Boolean} true if a rule was found and updated 
+    */
+   this.updateRule = function(selector, property, value){
+   		if(!(selector instanceof Array)){
+   			var rule = this.getRule(selector);
+   			if(rule){
+   				rule.style[toCamel(property)] = value;
+   				return true;
+   			}
+   		}else{
+   			for(var i = 0; i < selector.length; i++){
+   				if(this.updateRule(selector[i], property, value)){
+   					return true;
+   				}
+   			}
+   		}
+   		return false;
+   	};
+   	
+   	/**
+    * Applies a rule to an element without adding the class
+    * @param {HTMLElement} el The element
+    * @param {String/Array} selector If it's an array it tries each selector until it finds one. Stops immediately once one is found.
+    * @return {Boolean} true if a rule was found and applied 
+    */
+   this.apply = function(el, selector){
+   		if(!(selector instanceof Array)){
+   			var rule = this.getRule(selector);
+   			if(rule){
+   			    var s = rule.style;
+   				for(var key in s){
+   				    if(typeof s[key] != 'function'){
+       					if(s[key] && String(s[key]).indexOf(':') < 0 && s[key] != 'false'){
+       						try{el.style[key] = s[key];}catch(e){}
+       					}
+   				    }
+   				}
+   				return true;
+   			}
+   		}else{
+   			for(var i = 0; i < selector.length; i++){
+   				if(this.apply(el, selector[i])){
+   					return true;
+   				}
+   			}
+   		}
+   		return false;
+   	};
+   	
+   	this.applyFirst = function(el, id, selector){
+   		var selectors = [
+   			'#' + id + ' ' + selector,
+   			selector
+   		];
+   		return this.apply(el, selectors);
+   	};
+   	
+   	this.revert = function(el, selector){
+   		if(!(selector instanceof Array)){
+   			var rule = this.getRule(selector);
+   			if(rule){
+   				for(key in rule.style){
+   					if(rule.style[key] && String(rule.style[key]).indexOf(':') < 0 && rule.style[key] != 'false'){
+   						try{el.style[key] = '';}catch(e){}
+   					}
+   				}
+   				return true;
+   			}
+   		}else{
+   			for(var i = 0; i < selector.length; i++){
+   				if(this.revert(el, selector[i])){
+   					return true;
+   				}
+   			}
+   		}
+   		return false;
+   	};
+   	
+   	this.revertFirst = function(el, id, selector){
+   		var selectors = [
+   			'#' + id + ' ' + selector,
+   			selector
+   		];
+   		return this.revert(el, selectors);
+   	};
+}();