#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;

namespace MiniSqlQuery.Core.Commands
{
    /// <summary>The convert text to lower case command.</summary>
    public class ConvertTextToLowerCaseCommand
        : CommandBase
    {
        /// <summary>Initializes a new instance of the <see cref="ConvertTextToLowerCaseCommand"/> class.</summary>
        public ConvertTextToLowerCaseCommand()
            : base("文本转换成小写")
        {
            ShortcutKeys = Keys.Control | Keys.U;
        }

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

        /// <summary>Execute the command.</summary>
        public override void Execute()
        {
            var editor = ActiveFormAsEditor;
            if (Enabled && editor.SelectedText.Length > 0)
            {
                editor.InsertText(editor.SelectedText.ToLower());
            }
        }
    }
}