atlas.js

《圣殿祭司的ASP.NET 2.0开发详解——使用C#》光盘内容.包含了书籍所含的源代码.非常经典的一本asp.net2.0的书籍

this.set_dataContext =function(value){if (!_dataContextInUse){_dataContext =value;}
}
this.get_dataPath =function(){return _dataPath;}
this.set_dataPath =function(value){if (!_dataContextInUse){_dataPath =value;}
}
this.get_direction =function(){return _direction;}
this.set_direction =function(value){if (!_dataContextInUse){_direction =value;}
}
this.get_id =function(){return _id;}
this.set_id =function(value){_id =value;}
this.get_property =function(){return _property;}
this.set_property =function(value){if (!_dataContextInUse){_property =value;}
}
this.get_propertyKey =function(){return _propertyKey;}
this.set_propertyKey =function(value){if (!_dataContextInUse){_propertyKey =value;}
}
this.get_transformerArgument =function(){return _transformerArgument;}
this.set_transformerArgument =function(value){_transformerArgument =value;}
this.transform =new Web.Event(null);this.dispose =function(){this.transform.dispose();if (_componentNotificationHandler){_component.propertyChanged.remove(_componentNotificationHandler);_componentNotificationHandler =null;}
if (_dataContextNotificationHandler){if (Web.INotifyPropertyChanged.isImplementedBy(_dataContextInUse)){_dataContextInUse.propertyChanged.remove(_dataContextNotificationHandler);}
_dataContextNotificationHandler =null;}
_dataContextInUse =null;_dataContext =null;_component =null;}
this.evaluate =function(direction){if (direction ==Web.BindingDirection.In){this.evaluateIn();}
else {this.evaluateOut();}
}
this.evaluateDataPath =function(){var object =_dataContextInUse;for (var i =0;i <_dataPathParts.length -1;i++){object =Web.TypeDescriptor.getProperty(object,_dataPathParts[i]);if (!object){return null;}
}
return object;}
this.evaluateIn =function(){if (!_dataContextInUse){return;}
if ((_direction ==Web.BindingDirection.In)||(_direction ==Web.BindingDirection.InOut)){var propertyObject =_dataContextInUse;var propertyName =_dataPath;if (_dataPathParts){propertyObject =this.evaluateDataPath();if (propertyObject ==null){return;}
propertyName =_dataPathParts[_dataPathParts.length -1];}
var value =Web.TypeDescriptor.getProperty(propertyObject,propertyName);var canceled =false;if (this.transform.isActive()){var targetPropertyType =Web.TypeDescriptor.getPropertyType(_component,_property,_propertyKey);var be =new Web.BindingEventArgs(value,Web.BindingDirection.In,targetPropertyType,_transformerArgument);this.transform.invoke(this,be);canceled =be.get_canceled();value =be.get_value();}
if (!canceled){Web.TypeDescriptor.setProperty(_component,_property,value,_propertyKey);}
}
}
this.evaluateOut =function(){if (!_dataContextInUse){return;}
if ((_direction ==Web.BindingDirection.InOut)||(_direction ==Web.BindingDirection.Out)){var value =Web.TypeDescriptor.getProperty(_component,_property,_propertyKey);var canceled =false;var propertyObject =_dataContextInUse;var propertyName =_dataPath;if (_dataPathParts){propertyObject =this.evaluateDataPath();propertyName =_dataPathParts[_dataPathParts.length -1];}
if (this.transform.isActive()){var targetPropertyType =Web.TypeDescriptor.getPropertyType(propertyObject,propertyName);var be =new Web.BindingEventArgs(value,Web.BindingDirection.Out,targetPropertyType,_transformerArgument);this.transform.invoke(this,be);canceled =be.get_canceled();value =be.get_value();}
if (!canceled){Web.TypeDescriptor.setProperty(propertyObject,propertyName,value);}
}
}
this.getDescriptor =function(){var td =new Web.TypeDescriptor();td.addProperty('automatic',Boolean);td.addProperty('dataContext',Object);td.addProperty('dataPath',String);td.addProperty('direction',Web.BindingDirection);td.addProperty('id',String);td.addProperty('property',String);td.addProperty('propertyKey',String);td.addProperty('transformerArgument',String);td.addEvent('transform',false);td.addMethod('evaluateIn');td.addMethod('evaluateOut');return td;}
this.initialize =function(component){_component =component;_dataContextInUse =_dataContext;if (!_dataContextInUse){_dataContextInUse =_component.get_dataContext();}
if (_dataPath &&_dataPath.indexOf('.')>0){_dataPathParts =_dataPath.split('.');}
if (_automatic){if (Web.INotifyPropertyChanged.isImplementedBy(_component)){_componentNotificationHandler =Function.createDelegate(this,this._onComponentPropertyChanged);_component.propertyChanged.add(_componentNotificationHandler);}
if (_dataContextInUse &&Web.INotifyPropertyChanged.isImplementedBy(_dataContextInUse)){_dataContextNotificationHandler =Function.createDelegate(this,this._onDataContextPropertyChanged);_dataContextInUse.propertyChanged.add(_dataContextNotificationHandler);}
this.evaluate(Web.BindingDirection.In);}
}
this._onComponentPropertyChanged =function(sender,eventArgs){var propertyName =eventArgs.get_propertyName();if (!propertyName ||(propertyName ==_property)){this.evaluate(Web.BindingDirection.Out);}
}
this._onDataContextPropertyChanged =function(sender,eventArgs){var compareProperty =_dataPath;if (_dataPathParts){compareProperty =_dataPathParts[0];}
var propertyName =eventArgs.get_propertyName();if (!propertyName ||(propertyName ==compareProperty)){this.evaluate(Web.BindingDirection.In);}
}
}
Type.registerSealedClass('Web.Binding',null,Web.IDisposable,Web.ITypeDescriptorProvider);Web.TypeDescriptor.addType('script','binding',Web.Binding);Web.Binding.parseFromMarkup =function(type,node,markupContext){var newBinding =new Web.Binding();var builtInTransform;var transformAttribute =node.attributes.getNamedItem('transform');if (transformAttribute){var transformValue =transformAttribute.nodeValue;builtInTransform =Web.Binding.Transformers[transformValue];}
if (builtInTransform){newBinding.transform.add(builtInTransform);node.attributes.removeNamedItem('transform');}
var binding =Web.TypeDescriptor.initializeInstance(newBinding,node,markupContext);if (builtInTransform){node.attributes.setNamedItem(transformAttribute)}
if (binding){if (binding.get_id()){markupContext.addObject(binding.get_id(),binding);}
return binding;}
else {newBinding.dispose();}
return null;}
Web.Binding.Transformers ={};Web.Binding.Transformers.Invert =function(sender,eventArgs){eventArgs.set_value(!eventArgs.get_value());}
Web.Binding.Transformers.ToString =function(sender,eventArgs){var value =eventArgs.get_value();var newValue ='';var formatString =eventArgs.get_transformerArgument();var placeHolder =(formatString &&(formatString.length !=0))?formatString.indexOf('{0}'):-1;if (eventArgs.get_direction()==Web.BindingDirection.In){if (placeHolder !=-1){newValue =String.format(formatString,value);}
else if (value){newValue =value.toString();}
else {newValue =formatString;}
}
else {if (placeHolder !=-1){value =value.substr(placeHolder,3 +value.length -formatString.length);}
else if (formatString ==value){value =null;}
var propertyType =eventArgs.get_targetPropertyType();if (!value){if (propertyType ==Boolean){newValue =false;}
else if (propertyType ==Number){newValue =0;}
else if (propertyType ==String){newValue ='';}
else {newValue =null;}
}
else {newValue =propertyType.parse(value);}
}
eventArgs.set_value(newValue);}
Web.Binding.Transformers.Add =function(sender,eventArgs){var value =eventArgs.get_value();if (typeof(value)!='number'){value =Number.parse(value);}
var delta =eventArgs.get_transformerArgument();if (!delta){delta =1;}
if (typeof(delta)!='number'){delta =Number.parse(delta);}
if (eventArgs.get_direction()==Web.BindingDirection.Out){delta =-delta;}
var newValue =value +delta;if (eventArgs.get_targetPropertyType()!='number'){newValue =newValue.toString();}
eventArgs.set_value(newValue);}
Web.Binding.Transformers.Multiply =function(sender,eventArgs){var value =eventArgs.get_value();if (typeof(value)!='number'){value =Number.parse(value);}
var factor =eventArgs.get_transformerArgument();if (!factor){factor =1;}
if (typeof(factor)!='number'){factor =Number.parse(factor);}
var newValue;if (eventArgs.get_direction()==Web.BindingDirection.Out){newValue =value /factor;}
else {newValue =value *factor;}
if (eventArgs.get_targetPropertyType()!='number'){newValue =newValue.toString();}
eventArgs.set_value(newValue);}
Web.Binding.Transformers.Compare =function(sender,eventArgs){var value =eventArgs.get_value();var compareValue =eventArgs.get_transformerArgument();if (compareValue ==null){value =value ?true :false;}
else {value =(value ==compareValue);}
eventArgs.set_value(value);}
Web.Binding.Transformers.CompareInverted =function(sender,eventArgs){var value =eventArgs.get_value();var compareValue =eventArgs.get_transformerArgument();if (compareValue ==null){value =value ?false :true;}
else {value =(value !=compareValue);}
eventArgs.set_value(value);}
Web.Component =function(registerAsDisposable){var _id =null;var _initialized =false;var _updating =false;var _bindings =null;var _dataContext =null;var _events =[];if (registerAsDisposable){Web.Application.registerDisposableObject(this);}
this.get_bindings =function(){if (!_bindings){_bindings =[];}
return _bindings;}
this.get_dataContext =function(){return _dataContext;}
Web.Component.registerBaseMethod(this,'get_dataContext');this.set_dataContext =function(value){_dataContext =value;}
this.get_id =function(){return _id;}
this.set_id =function(value){_id =value;}
this.get_isInitialized =function(){return _initialized;}
this.get_isUpdating =function(){return _updating;}
this.createEvent =function(autoInvoke){var eventObject =new Web.Event(this,autoInvoke);_events.add(eventObject);return eventObject;}
this.propertyChanged =this.createEvent();this.beginUpdate =function(){_updating =true;}
this.dispose =function(){if (_bindings){for (var i =0;i <_bindings.length;i++){_bindings[i].dispose();_bindings[i]=null;}
_bindings =null;}
if (_events){for (var e =_events.length -1;e >=0;e--){_events[e].dispose();_events[e]=null;}
_events =null;}
Web.Application.unregisterDisposableObject(this);}
Web.Component.registerBaseMethod(this,'dispose');this.endUpdate =function(){_updating =false;if (!_initialized){this.initialize();}
this.updated();}
this.getDescriptor =function(){var td =new Web.TypeDescriptor();td.addProperty('bindings',Array,true);td.addProperty('dataContext',Object);td.addProperty('id',String);td.addEvent('propertyChanged',true);return td;}
Web.Component.registerBaseMethod(this,'getDescriptor');this.initialize =function(){if (_bindings){for (var i =0;i <_bindings.length;i++){_bindings[i].initialize(this);}
}
_initialized =true;}
Web.Component.registerBaseMethod(this,'initialize');this.raisePropertyChanged =function(propertyName){this.propertyChanged.invoke(this,new Web.PropertyChangedEventArgs(propertyName));}
Web.Component.registerBaseMethod(this,'raisePropertyChanged');this.updated =function(){}
Web.Component.registerBaseMethod(this,'updated');}
Type.registerAbstractClass('Web.Component',null,Web.IDisposable,Web.ITypeDescriptorProvider,Web.ISupportBatchedUpdates,Web.INotifyPropertyChanged);Web.Component.parseFromMarkup =function(type,node,markupContext){var newComponent =Type.createInstance(type);var dataContextHidden =false;var dataContext =markupContext.get_dataContext();if (dataContext){dataContextHidden =markupContext.hideDataContext();}
var component =Web.TypeDescriptor.initializeInstance(newComponent,node,markupContext);if (component){if (component.get_id()){markupContext.addObject(component.get_id(),component);}
if (dataContext){component.set_dataContext(dataContext);}
}
else {newComponent.dispose();}
if (dataContextHidden){markupContext.restoreDataContext();}
return component;}
Web.Component.createCollection =function(component){var collection =[];collection._component =component;collection.collectionChanged =new Web.Event(null);collection._add =collection.add;collection.add =function(item){this._add(item);item.setOwner(this._component);this.collectionChanged.invoke(this,new Web.CollectionChangedEventArgs(Web.NotifyCollectionChangedAction.Add,item));}
collection._clear =collection.clear;collection.clear =function(){for (var i =this.length -1;i >=0;i--){this[i].dispose();this[i]=null;}
this._clear();this.collectionChanged.invoke(this,new Web.CollectionChangedEventArgs(Web.NotifyCollectionChangedAction.Reset,null));}
collection.dispose =function(){this.clear();this._component =null;}
collection._remove =collection.remove;collection.remove =function(item){item.dispose();this._remove(item);this.collectionChanged.invoke(this,new Web.CollectionChangedEventArgs(Web.NotifyCollectionChangedAction.Remove,item));}
collection._removeAt =collection.removeAt;collection.removeAt =function(index){var item =this[index];item.dispose();this._removeAt(index);this.collectionChanged.invoke(this,new Web.CollectionChangedEventArgs(Web.NotifyCollectionChangedAction.Remove,item));}
return collection;}
Web.Reference =function(){var _component;this.get_component =function(){return _component;}
this.set_component =function(value){_component =value;}
this.dispose =function(){_component =null;}
this.getDescriptor =function(){var td =new Web.TypeDescriptor();td.addProperty('component',Object);return td;}
}
Type.registerSealedClass('Web.Reference',null,Web.ITypeDescriptorProvider,Web.IDisposable);Web.TypeDescriptor.addType('script','reference',Web.Reference);Web.Reference.parseFromMarkup =function(type,node,markupContext){var newReference =new Web.Reference();var reference =Web.TypeDescriptor.initializeInstance(newReference,node,markupContext);if (reference){return reference;}
else {newReference.dispose();}
return null;}