xenadmin/XenAdmin/Commands/ShareSRCommand.cs

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using System;
using System.Collections.Generic;
using System.Text;
using XenAdmin.Core;
using XenAPI;
using XenAdmin.Actions;
using XenAdmin.Dialogs;
using System.Windows.Forms;
using System.Collections.ObjectModel;


namespace XenAdmin.Commands
{
    /// <summary>
    /// Shares the selected SR.
    /// </summary>
    internal class ShareSRCommand : 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 ShareSRCommand()
        {
        }

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

        public ShareSRCommand(IMainWindow mainWindow, SR sr)
            : base(mainWindow, sr)
        {
        }

        protected override void ExecuteCore(SelectedItemCollection selection)
        {
            foreach (SR sr in selection.AsXenObjects<SR>(CanExecute))
            {
                SrShareAction action = new SrShareAction(sr.Connection, sr);
                ActionProgressDialog dialog = new ActionProgressDialog(action, ProgressBarStyle.Marquee);
                dialog.ShowCancel = true;
                dialog.ShowDialog(Parent);
            }
        }

        protected override bool CanExecuteCore(SelectedItemCollection selection)
        {
            return selection.AllItemsAre<SR>() && selection.AtLeastOneXenObjectCan<SR>(CanExecute);
        }

        private static bool CanExecute(SR sr)
        {
            return sr != null && !sr.shared && sr.HasPBDs && sr.CanCreateWithXenCenter && !HelpersGUI.GetActionInProgress(sr);
        }

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