Microsoft patterns & practices Composite UI Application Block (CAB) based Module Composite Mapper Service: An XML Configurable Builder for Workspaces, UIElements, Commands, and Event Publications/Subscriptions

using System;
using System.Collections; 
using System.Collections.Generic;
using System.Text;

using Microsoft.Practices.CompositeUI.Collections; 
using Microsoft.Practices.CompositeUI.EventBroker;
using XtensibleSolutions.CompositeUI.Extensions; 
using XtensibleSolutions.CompositeUI.Extensions.SmartParts;
using XtensibleSolutions.CompositeUI.Extensions.Utility;

namespace XtensibleSolutions.CompositeUI.Extensions.Services.XSModuleCompMppr
{
    internal sealed class XSEventPubCompMppr   
    {
        private Dictionary<XSEventPubComp, XSEventPubComp> eventPubComps =
            new Dictionary<XSEventPubComp, XSEventPubComp>();

        internal XSEventPubCompMppr() { }

        internal Dictionary<XSEventPubComp, XSEventPubComp> EventPubComps
        {
            get { return eventPubComps; }
        }

        internal void ApplyCompositeMappings(IXSWorkItem thisWorkItem) 
        {
            // cast to XSWorkItem for property access and publication 
            XSWorkItem workItem = (XSWorkItem)thisWorkItem;
            // events are managed at the same-level WorkItem but 
            // are broadcast/received according to PublicationScopeEnum
            ManagedObjectCollection<EventTopic> events =
                workItem.EventTopics;
            foreach (XSEventPubComp eventPubComp in eventPubComps.Keys)
            {
                if (eventPubComp.PublisherTypeEnum == XSEventPubSubType.WorkItem)
                {
                    // accesses an existing Event, or a new one if there is not one 
                    // already present (the Get method does this automatically)
                    events[eventPubComp.EventTopic].AddPublication(
                        workItem, 
                        eventPubComp.PublicationHandlerName,
                        workItem,
                        eventPubComp.PublicationScopeEnum);
                }
            }
        }

        internal void ApplyCompositeMappings(IXSPresenter thisPresenter) 
        {
            XSWorkItem workItem = thisPresenter.WorkItem;
            // events are managed at the same-level WorkItem but 
            // are broadcast/received according to PublicationScopeEnum
            ManagedObjectCollection<EventTopic> events =
                workItem.EventTopics; 
            foreach (XSEventPubComp eventPubComp in eventPubComps.Keys)
            {
                if (eventPubComp.PublisherTypeEnum == XSEventPubSubType.Presenter)
                {
                    // accesses an existing Event, or a new one if there is not one 
                    // already present (the Get method does this automatically)
                    events[eventPubComp.EventTopic].AddPublication(
                        thisPresenter, 
                        eventPubComp.PublicationHandlerName,
                        workItem, 
                        eventPubComp.PublicationScopeEnum); 
                }
            }
        }
    }
}