#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 print command.
    /// </summary>
    public class PrintCommand
        : CommandBase
    {
        /// <summary>
        /// 	Initializes a new instance of the <see cref = "PrintCommand" /> class.
        /// </summary>
        public PrintCommand()
            : base("打印...")
        {
            SmallImage = ImageResource.printer;
        }

        /// <summary>
        /// 	Gets a value indicating whether Enabled.
        /// </summary>
        /// <value>The enabled state.</value>
        public override bool Enabled
        {
            get
            {
                var printable = HostWindow.ActiveChildForm as IPrintableContent;
                if (printable != null)
                {
                    var doc = printable.PrintDocument;

                    if (doc != null)
                    {
                        return true;
                    }
                }

                return false;
            }
        }

        /// <summary>
        /// 	Execute the command.
        /// </summary>
        public override void Execute()
        {
            var printable = HostWindow.ActiveChildForm as IPrintableContent;
            if (printable != null)
            {
                var doc = printable.PrintDocument;

                if (doc != null)
                {
                    using (var ppd = new PrintDialog())
                    {
                        ppd.Document = doc;
                        ppd.AllowSomePages = true;
                        // https://msdn.microsoft.com/query/dev14.query?appId=Dev14IDEF1&l=EN-US&k=k(System.Windows.Forms.PrintDialog.UseEXDialog);k(TargetFrameworkMoniker-.NETFramework,Version%3Dv3.5);k(DevLang-csharp)&rd=true#Anchor_1
                        ppd.UseEXDialog = true;

                        if (ppd.ShowDialog(HostWindow.Instance) == DialogResult.OK)
                        {
                            doc.Print();
                        }
                    }
                }
            }
        }
    }
}