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using System.Collections.Generic;
using XenAPI;
using System.Drawing;
using XenAdmin.Core;
using XenAdmin.Dialogs;


namespace XenAdmin.Commands
{
    /// <summary>
    /// Launches the New Pool Wizard.
    /// </summary>
    internal class NewPoolCommand : Command
    {
        private static NewPoolDialog newPoolDialog;

        /// <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 NewPoolCommand()
        {
        }

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

        protected override void RunCore(SelectedItemCollection selection)
        {
            if (newPoolDialog == null || newPoolDialog.IsDisposed)
            {
                newPoolDialog = new NewPoolDialog(selection.AsXenObjects<Host>());
                newPoolDialog.Show(Program.MainWindow);
            }
            else
            {
                HelpersGUI.BringFormToFront(newPoolDialog);
            }
        }

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

        public override Image MenuImage
        {
            get
            {
                return Images.StaticImages._000_PoolNew_h32bit_16;
            }
        }
    }
}