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AvalonDock and MVVM

, 9 Oct 2011 CPOL
Demonstrates a technique for integrating AvalonDock with an MVVM application.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;

namespace AvalonDockMVVM
{
    /// <summary>
    /// Helper class for lookup of data-templates.
    /// </summary>
    internal static class DataTemplateUtils
    {
        /// <summary>
        /// Find a DataTemplate for the specified type in the visual-tree.
        /// </summary>
        public static DataTemplate FindDataTemplate(Type type, FrameworkElement element)
        {
            var dataTemplate = element.TryFindResource(new DataTemplateKey(type)) as DataTemplate;
            if (dataTemplate != null)
            {
                return dataTemplate;
            }

            if (type.BaseType != null && type.BaseType != typeof(object))
            {
                dataTemplate = FindDataTemplate(type.BaseType, element);
                if (dataTemplate != null)
                {
                    return dataTemplate;
                }
            }

            foreach (var interfaceType in type.GetInterfaces())
            {
                dataTemplate = FindDataTemplate(interfaceType, element);
                if (dataTemplate != null)
                {
                    return dataTemplate;
                }
            }

            return null;
        }

        /// <summary>
        /// Find a data-template for the specified type and instance a visual from it.
        /// </summary>
        public static FrameworkElement InstanceTemplate(Type type, FrameworkElement element, object dataContext)
        {
            var dataTemplate = FindDataTemplate(type, element);
            if (dataTemplate == null)
            {
                return null;
            }

            return InstanceTemplate(dataTemplate, dataContext);
        }

        /// <summary>
        /// Instance a visual element from a data template.
        /// </summary>
        public static FrameworkElement InstanceTemplate(DataTemplate dataTemplate, object dataContext)
        {
            var element = (FrameworkElement)dataTemplate.LoadContent();
            element.DataContext = dataContext;
            return element;
        }
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Ashley Davis
Software Developer (Senior)
Australia Australia
Ash is professional software developer living in Brisbane Australia. After many years in game development (and a few in finance) he is now a developer of serious games and simulations.
 
He is also a hobby developer when he can conjure the time.
 
Ash organizes a group in Brisbane called Game Technology Brisbane.
 
http://www.meetup.com/Game-Technology-Brisbane/
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