#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

using System.Windows.Forms;
using MiniSqlQuery.Core;
using MiniSqlQuery.Core.Commands;

namespace MiniSqlQuery.Commands
{
    /// <summary>The save file command.</summary>
    public class SaveFileCommand
        : CommandBase
    {
        /// <summary>Initializes a new instance of the <see cref="SaveFileCommand"/> class.</summary>
        public SaveFileCommand()
            : base("(&S)保存文件")
        {
            ShortcutKeys = Keys.Control | Keys.S;
            SmallImage = ImageResource.disk;
        }

        /// <summary>Gets a value indicating whether Enabled.</summary>
        public override bool Enabled
        {
            get
            {
                IEditor editor = HostWindow.Instance.ActiveMdiChild as IEditor;
                if (editor != null)
                {
                    return editor.IsDirty;
                }

                return false;
            }
        }

        /// <summary>Execute the command.</summary>
        public override void Execute()
        {
            IEditor editor = HostWindow.Instance.ActiveMdiChild as IEditor;
            if (editor != null)
            {
                if (editor.FileName == null)
                {
                    CommandManager.GetCommandInstance<SaveFileAsCommand>().Execute();
                }
                else
                {
                    editor.SaveFile();
                }
            }
        }
    }
}