Building IG Outlook Part 4 - Creating Custom Region Adapters

#if !SILVERLIGHT
using Infragistics.Windows.Ribbon;
#else
using Infragistics.Controls.Menus;
#endif

namespace IgOutlook.Infrastructure.Prism
{
    public class XamRibbonRegionAdapter : RegionAdapterBase<XamRibbon>
    {
        public XamRibbonRegionAdapter(IRegionBehaviorFactory regionBehaviorFactory)
            : base(regionBehaviorFactory)
        {
        }

        protected override void Adapt(IRegion region, XamRibbon regionTarget)
        {
            if (region == null) throw new ArgumentNullException("region");
            if (regionTarget == null) throw new ArgumentNullException("regionTarget");

            region.ActiveViews.CollectionChanged += (s, args) =>
            {
                switch (args.Action)
                {
                    case NotifyCollectionChangedAction.Add:
                        {
                            foreach (Object view in args.NewItems)
                            {
                                AddViewToRegion(view, regionTarget);
                            }
                            break;
                        }
                    case NotifyCollectionChangedAction.Remove:
                        {
                            foreach (Object view in args.OldItems)
                            {
                                RemoveViewFromRegion(view, regionTarget);
                            }
                            break;
                        }
                    default:
                        {
                            // Do nothing.
                            break;
                        }
                }
            };
        }

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

        static void AddViewToRegion(Object view, XamRibbon xamRibbon)
        {
            //TODO: implement in later video
        }

        static void RemoveViewFromRegion(Object view, XamRibbon xamRibbon)
        {
            //TODO: implement in later video
        }
    }
}

#if SILVERLIGHT
using Infragistics.Controls.Menus;
#else
using Infragistics.Windows.OutlookBar;
#endif

namespace IgOutlook.Infrastructure.Prism
{
    public class XamOutlookBarRegionAdapter : RegionAdapterBase<XamOutlookBar>
    {
        public XamOutlookBarRegionAdapter(IRegionBehaviorFactory factory)
            : base (factory)
        {

        }

        protected override void Adapt(IRegion region, XamOutlookBar regionTarget)
        {
            region.ActiveViews.CollectionChanged += ((x, y) =>
                {
                    switch (y.Action)
                    {
                        case System.Collections.Specialized.NotifyCollectionChangedAction.Add:
                            {
                                foreach (OutlookBarGroup group in y.NewItems)
                                {
                                    regionTarget.Groups.Add(group);

#if !SILVERLIGHT
                                //The WPF XamOutlookBar does not automatically select the first group in it's collection.
                                //So we must manually select the group if it is the first one in the collection, but we don't
                                //want to excute this code every time a new group is added, only if the first group is the current group being added.
                                if (regionTarget.Groups[0] == group)
                                {
                                    regionTarget.SelectedGroup = group;
                                }
#endif

                                }
                                break;
                            }
                        case System.Collections.Specialized.NotifyCollectionChangedAction.Remove:
                            {
                                foreach (OutlookBarGroup group in y.NewItems)
                                {
                                    regionTarget.Groups.Remove(group);
                                }
                                break;
                            }
                    }
                });
        }

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

protected override Microsoft.Practices.Prism.Regions.RegionAdapterMappings ConfigureRegionAdapterMappings()
{
    RegionAdapterMappings mappings = base.ConfigureRegionAdapterMappings();
    mappings.RegisterMapping(typeof(XamOutlookBar), Container.Resolve<XamOutlookBarRegionAdapter>());
    mappings.RegisterMapping(typeof(XamRibbon), Container.Resolve<XamRibbonRegionAdapter>());
    return mappings;

}