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WPF Extensibility Hacks or WEX - Includes EventTrigger, ReactiveTrigger, InvokeMethodAction, InvokeCommandAction etc.

, 14 Jan 2010 CPOL
A set of extensibility hacks for WPF. A few interesting triggers and actions, including EventTrigger, ReactiveTrigger, InvokeMethodAction, and InvokeCommandAction. Also allows invoking Triggers and Actions based on Conditions.
Assemblies
Microsoft.Expression.Interactions.dll
System.ComponentModel.Composition.dll
System.CoreEx.dll
System.Interactive.dll
System.Reactive.dll
System.Windows.Interactivity.dll
WexEventTrigger
ClassDiagram1.cd
Wex.csproj.user
bin
Debug
WexEventTrigger.dll
WexEventTrigger.vshost.exe
WexEventTrigger.vshost.exe.manifest
Composition
Lib
Properties
Reactive
WexEventTrigger.Demo
bin
Debug
WexEventTrigger.Demo.vshost.exe
WexEventTrigger.Demo.vshost.exe.manifest
Commands
Extensions
Properties
Views
Demos
using System;
using System.Net;
using System.Windows;
using System.Linq;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.ComponentModel.Composition.Hosting;
using System.ComponentModel.Composition.Primitives;
using Wex.Lib.Interactions;

namespace Wex.Lib.Composition
{
    /// <summary>
    /// To compose the available behaviours and triggers, so that they can be imported later
    /// </summary>
    public class WexPartComposer
    {

        static WexPartComposer Instance { get; set; }

        [ImportMany]
        public Lazy<Func<object, IObservable<EventResult>>, IExportName>[] Senders { get; set; }

        private WexPartComposer() { }

        static WexPartComposer()
        {
            Compose();
        }

        /// <summary>
        /// Resolve an exported function
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public static Func<object, IObservable<EventResult>> Resolve(string name)
        {
            var senders = Instance.Senders;

            if (senders == null) throw new InvalidOperationException("Part composer not initialized");
            try
            {
                return senders.FirstOrDefault(s => s.Metadata.ExportName == name).Value;
            }
            catch (Exception ex)
            {
                return null;
            }
        }


        /// <summary>
        /// Compose .. 
        /// </summary>
        public static void Compose(ComposablePartCatalog c)
        {
            Instance = new WexPartComposer(); 
            var catalog = new AggregateCatalog();
            catalog.Catalogs.Add(c);
            var container = new CompositionContainer(catalog);
            container.ComposeParts(Instance);
            
        }

        internal static void Compose()
        {
            Compose(new AssemblyCatalog(System.Reflection.Assembly.GetExecutingAssembly()));
        }


        



    }
}

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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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Web01 | 2.8.161205.3 | Last Updated 14 Jan 2010
Article Copyright 2010 by Anoop Madhusudanan
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