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File2

36699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Interop;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using Tango.Core.IO;

namespace Tango.FileSystem
{
    public class FileItem : FileSystemItem
    {
        private static Dictionary<String, BitmapSource> iconCache;
        private static Dictionary<String, BitmapSource> smallIconCache;
        private static Dictionary<String, String> typeDescriptionCache;

        static FileItem()
        {
            iconCache = new Dictionary<string, BitmapSource>();
            smallIconCache = new Dictionary<string, BitmapSource>();
            typeDescriptionCache = new Dictionary<string, string>();
        }

        public FileItem()
        {
            Type = FileSystemItemType.File;
        }

        public String Extension
        {
            get { return System.IO.Path.GetExtension(Path); }
        }

        private BitmapSource _icon;
        public BitmapSource Icon
        {
            get
            {
                if (_icon == null)
                {
                    _icon = GetFileIcon();
                }

                return _icon;
            }
        }

        private BitmapSource _smallIcon;
        public BitmapSource SmallIcon
        {
            get
            {
                if (_smallIcon == null)
                {
                    _smallIcon = GetSmallFileIcon();
                }

                return _smallIcon;
            }
        }

        public override string Description
        {
            get
            {
                if (typeDescriptionCache.ContainsKey(Extension))
                {
                    return typeDescriptionCache[Extension];
                }
                else
                {
                    var tempFile = TemporaryManager.Default.CreateFile(Extension);
                    var shellFile = Microsoft.WindowsAPICodePack.Shell.ShellFile.FromFilePath(tempFile);
                    var text = shellFile.Properties.System.ItemTypeText.Value.ToStringSafe();
                    shellFile.Dispose();
                    tempFile.Delete();
                    typeDescriptionCache.Add(Extension, text);
                    return text;
                }
            }
        }

        protected BitmapSource GetFileIcon()
        {
            if (iconCache.ContainsKey(Extension))
            {
                return iconCache[Extension];
            }
            else
            {
                var tempFile = TemporaryManager.Default.CreateFile(Extension);
                var shellFile = Microsoft.WindowsAPICodePack.Shell.ShellFile.FromFilePath(tempFile);
                var source = shellFile.Thumbnail.MediumBitmapSource;
                shellFile.Dispose();
                tempFile.Delete();
                iconCache.Add(Extension, source);
                return source;
            }
        }

        private BitmapSource GetSmallFileIcon()
        {
            if (smallIconCache.ContainsKey(Extension))
            {
                return smallIconCache[Extension];
            }
            else
            {
                var tempFile = TemporaryManager.Default.CreateFile(Extension);
                var shellFile = Microsoft.WindowsAPICodePack.Shell.ShellFile.FromFilePath(tempFile);
                var source = shellFile.Thumbnail.SmallBitmapSource;
                shellFile.Dispose();
                tempFile.Delete();
                smallIconCache.Add(Extension, source);
                return source;
            }
        }

        private BitmapSource IconToBitmapSource(Icon icon)
        {
            var imageSource = Imaging.CreateBitmapSourceFromHIcon(
                icon.Handle,
                Int32Rect.Empty,
                BitmapSizeOptions.FromEmptyOptions());
            return imageSource;
        }
    }
}