/* Copyright (c) 2009, Yahoo! Inc. All rights reserved. Code licensed under the BSD License: http://developer.yahoo.net/yui/license.txt version: 2.7.0 */ YAHOO.util.Attribute=function(B,A){if(A){this.owner=A;this.configure(B,true);}};YAHOO.util.Attribute.prototype={name:undefined,value:null,owner:null,readOnly:false,writeOnce:false,_initialConfig:null,_written:false,method:null,setter:null,getter:null,validator:null,getValue:function(){var A=this.value;if(this.getter){A=this.getter.call(this.owner,this.name);}return A;},setValue:function(F,B){var E,A=this.owner,C=this.name;var D={type:C,prevValue:this.getValue(),newValue:F};if(this.readOnly||(this.writeOnce&&this._written)){return false;}if(this.validator&&!this.validator.call(A,F)){return false;}if(!B){E=A.fireBeforeChangeEvent(D);if(E===false){return false;}}if(this.setter){F=this.setter.call(A,F,this.name);if(F===undefined){}}if(this.method){this.method.call(A,F,this.name);}this.value=F;this._written=true;D.type=C;if(!B){this.owner.fireChangeEvent(D);}return true;},configure:function(B,C){B=B||{};if(C){this._written=false;}this._initialConfig=this._initialConfig||{};for(var A in B){if(B.hasOwnProperty(A)){this[A]=B[A];if(C){this._initialConfig[A]=B[A];}}}},resetValue:function(){return this.setValue(this._initialConfig.value);},resetConfig:function(){this.configure(this._initialConfig,true);},refresh:function(A){this.setValue(this.value,A);}};(function(){var A=YAHOO.util.Lang;YAHOO.util.AttributeProvider=function(){};YAHOO.util.AttributeProvider.prototype={_configs:null,get:function(C){this._configs=this._configs||{};var B=this._configs[C];if(!B||!this._configs.hasOwnProperty(C)){return null;}return B.getValue();},set:function(D,E,B){this._configs=this._configs||{};var C=this._configs[D];if(!C){return false;}return C.setValue(E,B);},getAttributeKeys:function(){this._configs=this._configs;var C=[],B;for(B in this._configs){if(A.hasOwnProperty(this._configs,B)&&!A.isUndefined(this._configs[B])){C[C.length]=B;}}return C;},setAttributes:function(D,B){for(var C in D){if(A.hasOwnProperty(D,C)){this.set(C,D[C],B);}}},resetValue:function(C,B){this._configs=this._configs||{};if(this._configs[C]){this.set(C,this._configs[C]._initialConfig.value,B);return true;}return false;},refresh:function(E,C){this._configs=this._configs||{};var F=this._configs;E=((A.isString(E))?[E]:E)||this.getAttributeKeys();for(var D=0,B=E.length;D