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Presentation Model (MVVM) Good Practices

, 11 May 2010 CPOL 39.6K 737 71
Showing some good practices that can be applied to the Presentation Model/MVVM pattern.
PresentationModelDemo.zip
App.Configuration
App.Configuration.Wpf
Interceptors
Properties
Wpf
Properties
Wpf
App.Core
Model
PresentationModel
Properties
Services
App.Data
Properties
libs
AttachedCommandBehavior.dll
Castle.Core.dll
Castle.DynamicProxy2.dll
Castle.MicroKernel.dll
Castle.Windsor.dll
PresentationModelBase
Properties
WPFUI
Properties
Settings.settings
View
using System;
using System.Collections.Generic;
using System.Text;
using System.ComponentModel;
using System.Reflection;

namespace App.Core
{
    class EntityViewTypeDescriptor : CustomTypeDescriptor
    {
        public EntityViewTypeDescriptor(ICustomTypeDescriptor parent, List<string> entityProperties, Type entityType, Type entityViewType)
            : base(parent)
        {
            _entityProperties = entityProperties;
            _entityType = entityType;
            _entityViewType = entityViewType;
        }

        List<string> _entityProperties;
        Type _entityType;
        Type _entityViewType;

        public override PropertyDescriptorCollection GetProperties()
        {
            PropertyDescriptorCollection realProperties = base.GetProperties();
            PropertyDescriptor[] customizedProperties = new PropertyDescriptor[realProperties.Count + _entityProperties.Count];
            realProperties.CopyTo(customizedProperties, 0);
        
            int i = realProperties.Count;
            int j = 0;
            while (i < customizedProperties.Length)
            {
                customizedProperties[i] = new EntityViewPropertyDescriptor(_entityProperties[j], _entityType, _entityViewType);
                i++;
                j++;
            }

            return new PropertyDescriptorCollection(customizedProperties);
        }
    }
}

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