xenadmin/XenAdmin/Commands/CancelHostConnectionCommand.cs

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


namespace XenAdmin.Commands
{
    /// <summary>
    /// Cancels all hosts which are in the process of connecting.
    /// </summary>
    internal class CancelHostConnectionCommand : Command
    {
        /// <summary>
        /// Initializes a new instance of this Command. The parameter-less constructor is required in the derived
        /// class if it is to be attached to a ToolStrip menu item or button. It should not be used in any other scenario.
        /// </summary>
        public CancelHostConnectionCommand()
        {
        }

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

        protected override bool CanExecuteCore(SelectedItemCollection selection)
        {
            if (selection.Count > 0)
            {
                foreach (SelectedItem item in selection)
                {
                    if (item.Connection == null || item.Connection.IsConnected || !item.Connection.InProgress)
                    {
                        return false;
                    }
                }
                return true;
            }
            return false;
        }

        protected override void ExecuteCore(SelectedItemCollection selection)
        {
            foreach (SelectedItem item in selection)
            {
                if (item.Connection != null && !item.Connection.IsConnected && item.Connection.InProgress)
                {
                    new DisconnectCommand(MainWindowCommandInterface, item.Connection, false).Execute();
                }
            }
        }

        public override string MenuText
        {
            get
            {
                return Messages.CANCEL_CONNECT;
            }
        }
    }
}