1 line
20 KiB
JavaScript
1 line
20 KiB
JavaScript
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/* Copyright (c) 2006, Yahoo! Inc. All rights reserved. Code licensed under the BSD License: http://developer.yahoo.net/yui/license.txt version: 0.12.0 */ (function(){YAHOO.util.Lang={isArray:function(val){if(val.constructor&&val.constructor.toString().indexOf('Array')>-1){return true;}else{return YAHOO.util.Lang.isObject(val)&&val.constructor==Array;}},isBoolean:function(val){return typeof val=='boolean';},isFunction:function(val){return typeof val=='function';},isNull:function(val){return val===null;},isNumber:function(val){return!isNaN(val);},isObject:function(val){return typeof val=='object'||YAHOO.util.Lang.isFunction(val);},isString:function(val){return typeof val=='string';},isUndefined:function(val){return typeof val=='undefined';}};})();YAHOO.util.Attribute=function(hash,owner){if(owner){this.owner=owner;this.configure(hash,true);}};YAHOO.util.Attribute.prototype={name:undefined,value:null,owner:null,readOnly:false,writeOnce:false,_initialConfig:null,_written:false,method:null,validator:null,getValue:function(){return this.value;},setValue:function(value,silent){var beforeRetVal;var owner=this.owner;var name=this.name;var event={type:name,prevValue:this.getValue(),newValue:value};if(this.readOnly||(this.writeOnce&&this._written)){return false;}if(this.validator&&!this.validator.call(owner,value)){return false;}if(!silent){beforeRetVal=owner.fireBeforeChangeEvent(event);if(beforeRetVal===false){YAHOO.log('setValue '+name+'cancelled by beforeChange event','info','Attribute');return false;}}if(this.method){this.method.call(owner,value);}this.value=value;this._written=true;event.type=name;if(!silent){this.owner.fireChangeEvent(event);}return true;},configure:function(map,init){map=map||{};this._written=false;this._initialConfig=this._initialConfig||{};for(var key in map){if(key&&map.hasOwnProperty(key)){this[key]=map[key];if(init){this._initialConfig[key]=map[key];}}}},resetValue:function(){return this.setValue(this._initialConfig.value);},resetConfig:function(){this.configure(this._initialConfig);},refresh:function(silent){this.setValue(this.value,silent);}};(function(){var Lang=YAHOO.util.Lang;YAHOO.util.AttributeProvider=function(){};YAHOO.util.AttributeProvider.prototype={_configs:null,get:function(key){var configs=this._configs||{};var config=configs[key];if(!config){YAHOO.log(key+' not found','error','AttributeProvider');return undefined;}return config.value;},set:function(key,value,silent){var configs=this._configs||{};var config=configs[key];if(!config){YAHOO.log('set failed: '+key+' not found','error','AttributeProvider');return false;}return config.setValue(value,silent);},getAttributeKeys:function(){var configs=this._configs;var keys=[];var config;for(var key in configs){config=configs[key];if(configs.hasOwnProperty(key)&&!Lang.isUndefined(config)){keys[keys.length]=key;}}return keys;},setAttributes:function(map,silent){for(var key in map){if(map.hasOwnProperty(key)){this.set(key,map[key],silent);}}},resetValue:function(key,silent){var configs=this._configs||{};if(configs[key]){this.set(key,configs[key]._initialConfig.value,silent);return true;}return false;},refresh:function(key,silent){var configs=this._configs;key=((Lang.isString(key))?[key]:key)||this.getAttributeKeys();for(var i=0,len=key.length;i<len;++i){if(configs[key[i]]&&!Lang.isUndefined(configs[key[i]].value)&&!Lang.isNull(configs[key[i]].value)){configs[key[i]].refresh(silent);}}},register:function(key,map){this._configs=this._configs||{};if(this._configs[key]){return false;}map.name=key;this._configs[key]=new YAHOO.util.Attribute(map,this);return true;},getAttributeConfig:function(key){var configs=this._configs||{};var config=configs[key]||{};var map={};for(key in config){if(config.hasOwnProperty(key)){map[key]=config[key];}}return map;},configureAttribute:function(key,map,init){var configs=this._configs||{};if(!configs[key]){YAHOO.log('unable to configure, '+key+' not found','error','AttributeProvider');return false;}configs[key].configure(map,init);},resetAttributeConfig:function(key){var configs=this._configs||{};configs[key].resetConfig
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