Moved `ListView.ListWrapper` out of `ListView` migueldeicaza/gui.cs#313` (#315)

Terminal.Gui/Views/ListView.cs

@@ -95,68 +95,6 @@ namespace Terminal.Gui {
 		int top;
 		int selected;
 
-		//
-		// This class is the built-in IListDataSource that renders arbitrary
-		// IList instances
-		//
-		class ListWrapper : IListDataSource {
-			IList src;
-			BitArray marks;
-			int count;
-
-			public ListWrapper (IList source)
-			{
-				count = source.Count;
-				marks = new BitArray (count);
-				this.src = source;
-			}
-
-			public int Count => src.Count;
-
-			void RenderUstr (ConsoleDriver driver, ustring ustr, int col, int line, int width)
-			{
-				int byteLen = ustr.Length;
-				int used = 0;
-				for (int i = 0; i < byteLen;) {
-					(var rune, var size) = Utf8.DecodeRune (ustr, i, i - byteLen);
-					var count = Rune.ColumnWidth (rune);
-					if (used+count >= width)
-						break;
-					driver.AddRune (rune);
-					used += count;
-					i += size;
-				}
-				for (; used < width; used++) {
-					driver.AddRune (' ');
-				}
-			}
-
-			public void Render (ListView container, ConsoleDriver driver, bool marked, int item, int col, int line, int width)
-			{
-				container.Move (col, line);
-				var t = src [item];
-				if (t is ustring) {
-					RenderUstr (driver, (ustring)t, col, line, width);
-				} else if (t is string) {
-					RenderUstr (driver, (string)t, col, line, width);
-				} else
-					RenderUstr (driver, t.ToString (), col, line, width);
-			}
-
-			public bool IsMarked (int item)
-			{
-				if (item >= 0 && item < count)
-					return marks [item];
-				return false;
-			}
-
-			public void SetMark (int item, bool value)
-			{
-				if (item >= 0 && item < count)
-					marks [item] = value;
-			}
-		}
-
 		IListDataSource source;
 		/// <summary>
 		/// Gets or sets the IListDataSource backing this view, use SetSource() if you want to set a new IList source.
@@ -437,4 +375,66 @@ namespace Terminal.Gui {
 			return true;
 		}
 	}
+
+	/// <summary>
+	/// This class is the built-in IListDataSource that renders arbitrary
+	/// IList instances
+	/// </summary>
+	public class ListWrapper : IListDataSource {
+		IList src;
+		BitArray marks;
+		int count;
+
+		public ListWrapper (IList source)
+		{
+			count = source.Count;
+			marks = new BitArray (count);
+			this.src = source;
+		}
+
+		public int Count => src.Count;
+
+		void RenderUstr (ConsoleDriver driver, ustring ustr, int col, int line, int width)
+		{
+			int byteLen = ustr.Length;
+			int used = 0;
+			for (int i = 0; i < byteLen;) {
+				(var rune, var size) = Utf8.DecodeRune (ustr, i, i - byteLen);
+				var count = Rune.ColumnWidth (rune);
+				if (used+count >= width)
+					break;
+				driver.AddRune (rune);
+				used += count;
+				i += size;
+			}
+			for (; used < width; used++) {
+				driver.AddRune (' ');
+			}
+		}
+
+		public void Render (ListView container, ConsoleDriver driver, bool marked, int item, int col, int line, int width)
+		{
+			container.Move (col, line);
+			var t = src [item];
+			if (t is ustring) {
+				RenderUstr (driver, (ustring)t, col, line, width);
+			} else if (t is string) {
+				RenderUstr (driver, (string)t, col, line, width);
+			} else
+				RenderUstr (driver, t.ToString (), col, line, width);
+		}
+
+		public bool IsMarked (int item)
+		{
+			if (item >= 0 && item < count)
+				return marks [item];
+			return false;
+		}
+
+		public void SetMark (int item, bool value)
+		{
+			if (item >= 0 && item < count)
+				marks [item] = value;
+		}
+	}
 }