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Creating View-Switching Applications with Prism 4

, 6 Mar 2011 CPOL
How to get a Prism 4 line-of-business application up and running, using WPF and the Unity Dependency Injection (DI) container.
Prism4Demo.zip
Prism4Demo
Prism4Demo.Common
BaseClasses
bin
Events
obj
Debug
TempPE
Prism4Demo.Common.csproj.user
Properties
Prism4Demo.Library
FsTools
FsTaskButton.dll
Prism
Microsoft.Practices.Prism.dll
Microsoft.Practices.Prism.UnityExtensions.dll
Microsoft.Practices.ServiceLocation.dll
Microsoft.Practices.Unity.dll
Ribbon
RibbonControlsLibrary.dll
Prism4Demo.ModuleA
bin
Commands
obj
Debug
TempPE
Views
Prism4Demo.ModuleA.csproj.user
Properties
Settings.settings
Services
ViewModels
Views
Images
LargeIcon.png
module_a.png
SmallIcon.png
Prism4Demo.ModuleB
bin
Commands
obj
Debug
TempPE
Views
Prism4Demo.ModuleB.csproj.user
Properties
Settings.settings
Services
ViewModels
Views
Images
LargeIcon.png
module_b.png
SmallIcon.png
Prism4Demo
bin
obj
x86
Debug
TempPE
Views
Prism4Demo.csproj.user
Properties
Settings.settings
Services
Utility
ViewModels
Views
Images
LargeIcon.png
new.png
open.png
print.png
ribbon.png
save.png
SmallIcon.png
using System.Collections.Specialized;
using System.Windows;
using Microsoft.Practices.Prism.Regions;
using Microsoft.Windows.Controls.Ribbon;

namespace PrismRibbonDemo
{
    /// <summary>
    /// Enables use of a Ribbon control as a Prism region.
    /// </summary>
    /// <remarks> See Developer's Guide to Microsoft Prism (Ver. 4), p. 189.</remarks>
    public class RibbonRegionAdapter : RegionAdapterBase<Ribbon>
    {
        /// <summary>
        /// Default constructor.
        /// </summary>
        /// <param name="behaviorFactory">Allows the registration of the default set of RegionBehaviors.</param>
        public RibbonRegionAdapter(IRegionBehaviorFactory behaviorFactory)
            : base(behaviorFactory)
        {
        }

        /// <summary>
        /// Adapts a WPF control to serve as a Prism IRegion. 
        /// </summary>
        /// <param name="region">The new region being used.</param>
        /// <param name="regionTarget">The WPF control to adapt.</param>
        protected override void Adapt(IRegion region, Ribbon regionTarget)
        {
            region.Views.CollectionChanged += (sender, e) =>
            {
                switch (e.Action)
                {
                    case NotifyCollectionChangedAction.Add:
                        foreach (FrameworkElement element in e.NewItems)
                        {
                            regionTarget.Items.Add(element);
                        }
                        break;

                    case NotifyCollectionChangedAction.Remove:
                        foreach (UIElement elementLoopVariable in e.OldItems)
                        {
                            var element = elementLoopVariable;
                            if (regionTarget.Items.Contains(element))
                            {
                                regionTarget.Items.Remove(element);
                            }
                        }
                        break;
                }
            };
        }

        protected override IRegion CreateRegion()
        {
            return new SingleActiveRegion();
        }
    }
}

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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

David Veeneman
Software Developer (Senior) Foresight Systems
United States United States
David Veeneman is a financial planner and software developer. He is the author of "The Fortune in Your Future" (McGraw-Hill 1998). His company, Foresight Systems, develops planning and financial software.

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