#region License

// Copyright 2005-2019 Paul Kohler (https://github.com/paulkohler/minisqlquery). All rights reserved.
// This source code is made available under the terms of the GNU Lesser General Public License v3.0
// https://github.com/paulkohler/minisqlquery/blob/master/LICENSE
#endregion


namespace MiniSqlQuery.Core.Commands
{
    /// <summary>
    /// 	The cancel task command.
    /// </summary>
    public class CancelTaskCommand
        : CommandBase
    {
        /// <summary>
        /// 	Initializes a new instance of the <see cref = "CancelTaskCommand" /> class.
        /// </summary>
        public CancelTaskCommand()
            : base("&C取消")
        {
            SmallImage = ImageResource.stop;
        }

        /// <summary>
        /// 	Gets a value indicating whether Enabled.
        /// </summary>
        /// <value>The enabled state.</value>
        public override bool Enabled
        {
            get
            {
                var editor = HostWindow.ActiveChildForm as IPerformTask;
                return editor != null && editor.IsBusy;
            }
        }

        /// <summary>
        /// 	Execute the command.
        /// </summary>
        public override void Execute()
        {
            if (!Enabled)
            {
                return;
            }

            var editor = HostWindow.ActiveChildForm as IPerformTask;
            if (editor != null)
            {
                editor.CancelTask();
            }
        }
    }
}