xenadmin/XenAdmin/Commands/DisconnectHostsAndPoolsCommand.cs

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


namespace XenAdmin.Commands
{
    internal class DisconnectHostsAndPoolsCommand : Command
    {
        /// <summary>
        /// Initializes a new instance of this Command. The parameter-less constructor is required if 
        /// this Command is to be attached to a ToolStrip menu item or button. It should not be used in any other scenario.
        /// </summary>
        public DisconnectHostsAndPoolsCommand()
        {
        }

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

        protected override bool CanExecuteCore(SelectedItemCollection selection)
        {
            bool oneIsConnected = false;
            bool foundHost = false;
            bool foundPool = false;

            foreach (SelectedItem item in selection)
            {
                if (new DisconnectHostCommand(MainWindowCommandInterface, item).CanExecute())
                {
                    oneIsConnected = true;
                }
                else if (new DisconnectPoolCommand(MainWindowCommandInterface, item).CanExecute())
                {
                    oneIsConnected = true;
                }

                if (item.XenObject is Host)
                {
                    foundHost = true;
                }
                else if (item.XenObject is Pool)
                {
                    foundPool = true;
                }
            }

            return oneIsConnected && foundHost && foundPool;
        }

        protected override void ExecuteCore(SelectedItemCollection selection)
        {
            foreach (SelectedItem item in selection)
            {
                new DisconnectCommand(MainWindowCommandInterface, item.Connection, false).Execute();
            }
        }

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

        public override string ContextMenuText
        {
            get
            {
                return Messages.MAINWINDOW_DISCONNECT_CONTEXT_MENU;
            }
        }
    }
}