xenadmin/XenAdmin/Commands/SRCommand.cs

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

namespace XenAdmin.Commands
{
    internal abstract class SRCommand : Command
    {
        public SRCommand()
        {
        }

        public SRCommand(IMainWindow mainWindow, IEnumerable<SelectedItem> selection)
            : base(mainWindow, selection)
        {
        }

        public SRCommand(IMainWindow mainWindow, SR selection)
            : base(mainWindow, selection)
        {
        }

        /// <summary>
        /// Converts the storage link repositories in the selected selection into SRs.
        /// </summary>
        private static SelectedItemCollection ConvertStorageLinkRepositories(IEnumerable<SelectedItem> selection)
        {
            Util.ThrowIfParameterNull(selection, "selection");

            return new SelectedItemCollection(new List<SelectedItem>(selection).ConvertAll(s =>
            {
                if (s.XenObject is StorageLinkRepository)
                {
                    SR sr = ((StorageLinkRepository)s.XenObject).SR(ConnectionsManager.XenConnectionsCopy);
                    return new SelectedItem(sr, sr.Connection, s.HostAncestor, s.PoolAncestor);
                }
                return s;
            }));
        }

        protected override SelectedItemCollection GetSelectionCore()
        {
            return ConvertStorageLinkRepositories(base.GetSelectionCore());
        }
    }
}