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Store.cs
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/********
* @version : 2.1.1 - Ext.NET Pro License
* @author : Ext.NET, Inc. http://www.ext.net/
* @date : 2012-12-10
* @copyright : Copyright (c) 2007-2012, Ext.NET, Inc. (http://www.ext.net/). All rights reserved.
* @license : See license.txt and http://www.ext.net/license/.
********/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.Mvc;
using System.Collections;
using System.ComponentModel;
using Ext.Net.MVC;
using Ext.Net.Utilities;
namespace Ext.Net
{
public partial class Store
{
protected override void OnMetadataProcess(ModelMetadata meta, string name, ViewDataDictionary viewData, ControllerContext context)
{
base.OnMetadataProcess(meta, name, viewData, context);
if (meta.Model != null)
{
this.InitByObject(meta.Model);
}
else
{
this.InitByType(meta.ModelType);
}
}
[Meta]
public virtual void InitByObject(object obj)
{
if (obj is Type)
{
this.InitByType((Type)obj);
return;
}
IEnumerable collection = obj as IEnumerable;
if (collection == null)
{
this.InitByType(obj.GetType());
return;
}
Type itemType = null;
IEnumerator enumerator = collection.GetEnumerator();
if (enumerator.MoveNext())
{
if (enumerator.Current != null)
{
itemType = enumerator.Current.GetType();
}
enumerator.Reset();
}
if (itemType == null)
{
itemType = Store.GetEnumerableGenericType(obj.GetType());
}
if (itemType == null)
{
throw new InvalidOperationException("Cannot determine an item type of Store data");
}
this.InitByType(itemType, false);
this.DataSource = obj;
}
[Meta]
[DefaultValue(false)]
public virtual bool InitForModelOnly
{
get
{
return this.State.Get<bool>("InitForModelOnly", false);
}
set
{
this.State.Set("InitForModelOnly", value);
}
}
[Meta]
public virtual void InitByType(Type type, bool extractGeneric = true)
{
if (extractGeneric)
{
type = Store.GetEnumerableGenericType(type);
}
ModelMetadata metadata = ModelMetadataProviders.Current.GetMetadataForType(null, type);
if (metadata != null)
{
var storeModel = this.Model.Primary;
if (storeModel == null)
{
storeModel = new Model();
this.Model.Add(storeModel);
}
ModelAttribute storeModelAttr = metadata.AdditionalValues.ContainsKey(ModelAttribute.KEY) ? (ModelAttribute)metadata.AdditionalValues[ModelAttribute.KEY] : null;
if (storeModelAttr != null)
{
storeModelAttr.CopyTo(storeModel);
}
if (metadata.AdditionalValues.ContainsKey(AbstractValidationAttribute.KEY))
{
storeModel.Validations.AddRange((ValidationCollection)metadata.AdditionalValues[AbstractValidationAttribute.KEY]);
}
if (metadata.AdditionalValues.ContainsKey(AbstractAssociationAttribute.KEY))
{
storeModel.Associations.AddRange((AssociationCollection)metadata.AdditionalValues[AbstractAssociationAttribute.KEY]);
}
if (metadata.AdditionalValues.ContainsKey(ProxyAttribute.KEY))
{
this.Proxy.Add((AbstractProxy)metadata.AdditionalValues[ProxyAttribute.KEY]);
}
if (metadata.AdditionalValues.ContainsKey(AbstractReaderAttribute.KEY))
{
if (this.Proxy.Primary != null && this.Proxy.Primary is ServerProxy)
{
((ServerProxy)this.Proxy.Primary).Reader.Add((AbstractReader)metadata.AdditionalValues[AbstractReaderAttribute.KEY]);
}
else
{
this.Reader.Add((AbstractReader)metadata.AdditionalValues[AbstractReaderAttribute.KEY]);
}
}
if (metadata.AdditionalValues.ContainsKey(AbstractWriterAttribute.KEY))
{
if (this.Proxy.Primary != null && this.Proxy.Primary is ServerProxy)
{
((ServerProxy)this.Proxy.Primary).Writer.Add((AbstractWriter)metadata.AdditionalValues[AbstractWriterAttribute.KEY]);
}
else
{
this.Writer.Add((AbstractWriter)metadata.AdditionalValues[AbstractWriterAttribute.KEY]);
}
}
var virtualFieldsAttr = metadata.AdditionalValues.ContainsKey(ModelFieldAttribute.KEY) ? (List<VirtualModelField>)metadata.AdditionalValues[ModelFieldAttribute.KEY] : null;
if (virtualFieldsAttr != null)
{
foreach (VirtualModelField attr in virtualFieldsAttr)
{
var modelField = new ModelField();
if (storeModel != null)
{
attr.CopyTo(modelField, storeModel);
storeModel.Fields.Add(modelField);
}
}
}
var registrator = metadata.AdditionalValues.ContainsKey(ClientResourceAttribute.KEY) ? (ResourcesRegistrator)metadata.AdditionalValues[ClientResourceAttribute.KEY] : null;
if (registrator != null)
{
this.Controls.Add(registrator);
}
foreach (ModelMetadata propertyMetadata in metadata.Properties)
{
var modelAttr = propertyMetadata.AdditionalValues.ContainsKey(ModelFieldAttribute.KEY) ? (ModelFieldAttribute)propertyMetadata.AdditionalValues[ModelFieldAttribute.KEY] : null;
if (modelAttr == null && this.InitForModelOnly)
{
continue;
}
if (modelAttr != null && modelAttr.Ignore)
{
continue;
}
Store.CreateModelFieldFromMeta(propertyMetadata, storeModel, modelAttr, this.ControllerContext);
}
}
}
public static Type GetEnumerableGenericType(Type type)
{
if (type.IsGenericType
&& type.GetGenericTypeDefinition() == typeof(IEnumerable<>))
{
type = type.GetGenericArguments()[0];
}
else
{
foreach (Type intType in type.GetInterfaces())
{
if (intType.IsGenericType
&& intType.GetGenericTypeDefinition() == typeof(IEnumerable<>))
{
type = intType.GetGenericArguments()[0];
break;
}
}
}
return type;
}
public static ModelField CreateModelFieldFromMeta(ModelMetadata propertyMetadata, Ext.Net.Model storeModel = null, ModelFieldAttribute modelAttr = null, ControllerContext controllerContext = null)
{
var modelField = new ModelField();
if (modelAttr == null)
{
modelAttr = propertyMetadata.AdditionalValues.ContainsKey(ModelFieldAttribute.KEY) ? (ModelFieldAttribute)propertyMetadata.AdditionalValues[ModelFieldAttribute.KEY] : null;
}
modelField.Name = propertyMetadata.PropertyName;
if (Store.IsDate(propertyMetadata.ModelType))
{
modelField.Type = ModelFieldType.Date;
}
else if (Store.IsInteger(propertyMetadata.ModelType))
{
modelField.Type = ModelFieldType.Int;
}
else if (Store.IsFloat(propertyMetadata.ModelType))
{
modelField.Type = ModelFieldType.Float;
}
else if (Store.IsBoolean(propertyMetadata.ModelType))
{
modelField.Type = ModelFieldType.Boolean;
}
else if (propertyMetadata.ModelType == typeof(string))
{
modelField.Type = ModelFieldType.String;
}
if (propertyMetadata.IsComplexType && modelAttr != null)
{
modelField.IsComplex = true;
}
if (modelAttr != null && storeModel != null)
{
modelAttr.CopyTo(modelField, storeModel);
}
if(storeModel != null)
{
storeModel.Fields.Add(modelField);
}
ValidationCollection validations = new ValidationCollection();
if (propertyMetadata.AdditionalValues.ContainsKey(AbstractValidationAttribute.KEY))
{
validations = (ValidationCollection)propertyMetadata.AdditionalValues[AbstractValidationAttribute.KEY];
}
foreach (ModelValidator v in propertyMetadata.GetValidators(controllerContext))
{
var rule = v.GetClientValidationRules().FirstOrDefault();
if (rule != null)
{
switch (rule.ValidationType)
{
case "required":
validations.Add(new PresenceValidation { Message = rule.ErrorMessage });
break;
case "regex":
if (rule.ValidationParameters.ContainsKey("pattern"))
{
validations.Add(new FormatValidation { Matcher = rule.ValidationParameters["pattern"].ToString(), Message = rule.ErrorMessage });
}
break;
case "length":
int num;
LengthValidation length = new LengthValidation();
length.Message = rule.ErrorMessage;
if (rule.ValidationParameters.ContainsKey("max"))
{
if (int.TryParse(rule.ValidationParameters["max"].ToString(), out num))
{
length.Max = num;
}
else
{
continue;
}
}
if (rule.ValidationParameters.ContainsKey("min"))
{
if (int.TryParse(rule.ValidationParameters["min"].ToString(), out num))
{
length.Min = num;
}
else
{
continue;
}
}
validations.Add(length);
break;
}
}
}
if (controllerContext != null)
{
foreach (ModelValidator v in propertyMetadata.GetValidators(controllerContext))
{
var rule = v.GetClientValidationRules().FirstOrDefault();
if (rule != null)
{
switch (rule.ValidationType)
{
case "required":
validations.Add(new PresenceValidation { Field = modelField.Name, Message = rule.ErrorMessage });
break;
case "regex":
if (rule.ValidationParameters.ContainsKey("pattern"))
{
validations.Add(new FormatValidation { Field = modelField.Name, Matcher = rule.ValidationParameters["pattern"].ToString(), Message = rule.ErrorMessage });
}
break;
case "length":
var lengthVal = new LengthValidation();
if (rule.ValidationParameters.ContainsKey("max"))
{
lengthVal.Max = (int)Convert.ChangeType(rule.ValidationParameters["max"], typeof(int));
}
if (rule.ValidationParameters.ContainsKey("min"))
{
lengthVal.Min = (int)Convert.ChangeType(rule.ValidationParameters["min"], typeof(int));
}
lengthVal.Message = rule.ErrorMessage;
validations.Add(lengthVal);
break;
}
}
}
}
if (validations.Count > 0)
{
if (storeModel != null)
{
storeModel.Validations.AddRange(validations);
}
else
{
modelField.Validations = validations;
}
}
return modelField;
}
public static bool IsNumeric(Type t)
{
var code = Type.GetTypeCode(Store.GetTypeWithoutNullability(t));
return code == TypeCode.Byte
|| code == TypeCode.Decimal
|| code == TypeCode.Double
|| code == TypeCode.Int16
|| code == TypeCode.Int32
|| code == TypeCode.Int64
|| code == TypeCode.SByte
|| code == TypeCode.Single
|| code == TypeCode.UInt16
|| code == TypeCode.UInt32
|| code == TypeCode.UInt64;
}
public static bool IsInteger(Type t)
{
var code = Type.GetTypeCode(Store.GetTypeWithoutNullability(t));
return code == TypeCode.Byte
|| code == TypeCode.Int16
|| code == TypeCode.Int32
|| code == TypeCode.Int64
|| code == TypeCode.SByte
|| code == TypeCode.UInt16
|| code == TypeCode.UInt32
|| code == TypeCode.UInt64;
}
public static bool IsFloat(Type t)
{
var code = Type.GetTypeCode(Store.GetTypeWithoutNullability(t));
return code == TypeCode.Decimal
|| code == TypeCode.Double
|| code == TypeCode.Single;
}
public static bool IsDate(Type t)
{
var code = Type.GetTypeCode(Store.GetTypeWithoutNullability(t));
return code == TypeCode.DateTime;
}
public static bool IsBoolean(Type t)
{
var code = Type.GetTypeCode(Store.GetTypeWithoutNullability(t));
return code == TypeCode.Boolean;
}
public static Type GetTypeWithoutNullability(Type t)
{
return Store.IsNullable(t) ? new NullableConverter(t).UnderlyingType : t;
}
public static bool IsNullable(Type t)
{
return t.IsGenericType &&
t.GetGenericTypeDefinition() == typeof(Nullable<>);
}
}
}