Move MatterControl source code into a subdirectory

original/MatterControlLib/Library/Providers/FileSystem/FileSystemFileItem.cs

@@ -0,0 +1,88 @@
+/*
+Copyright (c) 2022, John Lewin, Lars Brubaker
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+The views and conclusions contained in the software and documentation are those
+of the authors and should not be interpreted as representing official policies,
+either expressed or implied, of the FreeBSD Project.
+*/
+
+using System;
+using System.IO;
+using System.Threading.Tasks;
+
+namespace MatterHackers.MatterControl.Library
+{
+	public class FileSystemFileItem : FileSystemItem, ILibraryAssetStream
+	{
+		public FileSystemFileItem(string path)
+			: base(path)
+		{
+			var fileInfo = new FileInfo(path);
+			if (fileInfo.Exists)
+			{
+				this.FileSize = fileInfo.Length;
+			}
+		}
+
+		public string AssetPath => this.FilePath;
+
+		public string ContentType => Path.GetExtension(this.FilePath).ToLower().Trim('.');
+
+		public string FileName => Path.GetFileName(this.FilePath);
+
+		/// <summary>
+		/// Gets the size, in bytes, of the current file.
+		/// </summary>
+		public long FileSize { get; private set; }
+
+		public Task<StreamAndLength> GetStream(Action<double, string> reportProgress)
+		{
+			if (File.Exists(this.FilePath)
+				&& (ApplicationController.Instance.IsLoadableFile(this.FilePath)
+					|| (Path.GetExtension(this.FilePath) is string extension
+						&& string.Equals(extension, ".zip", StringComparison.OrdinalIgnoreCase))))
+			{
+				var stream = File.OpenRead(this.FilePath);
+				return Task.FromResult(new StreamAndLength()
+				{
+					Stream = stream,
+					Length = stream.Length
+				});
+			}
+
+			return Task.FromResult<StreamAndLength>(null);
+		}
+	}
+
+	/// <summary>
+	/// This class is specifically used for drag drop of scene replacement files
+	/// </summary>
+    public class SceneReplacementFileItem : FileSystemFileItem
+    {
+        public SceneReplacementFileItem(string filePath)
+            : base(filePath)
+        {
+        }
+    }
+}