Added F1DataSource class

That can be later reused for Objective-C example

Example/GlyuckDataGrid.xcodeproj/project.pbxproj

@@ -23,7 +23,7 @@
 		399D79891B6BD9F00070BC49 /* NSIndexPath+DataGridSpec.swift in Sources */ = {isa = PBXBuildFile; fileRef = 399D79881B6BD9F00070BC49 /* NSIndexPath+DataGridSpec.swift */; };
 		39B95ABE1B7B2E7D003DEE52 /* DataGridViewBaseCellSpec.swift in Sources */ = {isa = PBXBuildFile; fileRef = 39B95ABC1B7B2553003DEE52 /* DataGridViewBaseCellSpec.swift */; };
 		39B95AC31B7CE3E6003DEE52 /* BorderHelperSpec.swift in Sources */ = {isa = PBXBuildFile; fileRef = 39B95AC11B7CE3E3003DEE52 /* BorderHelperSpec.swift */; };
-		39B95AC51B7DC095003DEE52 /* DataSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = 39B95AC41B7DC095003DEE52 /* DataSource.swift */; };
+		39B95AC51B7DC095003DEE52 /* F1DataSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = 39B95AC41B7DC095003DEE52 /* F1DataSource.swift */; };
 		607FACD61AFB9204008FA782 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 607FACD51AFB9204008FA782 /* AppDelegate.swift */; };
 		607FACDB1AFB9204008FA782 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 607FACD91AFB9204008FA782 /* Main.storyboard */; };
 		607FACDD1AFB9204008FA782 /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 607FACDC1AFB9204008FA782 /* Images.xcassets */; };
@@ -59,7 +59,7 @@
 		399D79881B6BD9F00070BC49 /* NSIndexPath+DataGridSpec.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "NSIndexPath+DataGridSpec.swift"; sourceTree = "<group>"; };
 		39B95ABC1B7B2553003DEE52 /* DataGridViewBaseCellSpec.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = DataGridViewBaseCellSpec.swift; sourceTree = "<group>"; };
 		39B95AC11B7CE3E3003DEE52 /* BorderHelperSpec.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BorderHelperSpec.swift; sourceTree = "<group>"; };
-		39B95AC41B7DC095003DEE52 /* DataSource.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = DataSource.swift; sourceTree = "<group>"; };
+		39B95AC41B7DC095003DEE52 /* F1DataSource.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = F1DataSource.swift; sourceTree = "<group>"; };
 		56CFED095AE2E74BA9C026B0 /* LICENSE */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text; name = LICENSE; path = ../LICENSE; sourceTree = "<group>"; };
 		607FACD01AFB9204008FA782 /* GlyuckDataGrid_Example.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = GlyuckDataGrid_Example.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		607FACD41AFB9204008FA782 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
@@ -207,7 +207,7 @@
 				607FACDC1AFB9204008FA782 /* Images.xcassets */,
 				607FACDE1AFB9204008FA782 /* LaunchScreen.xib */,
 				607FACD31AFB9204008FA782 /* Supporting Files */,
-				39B95AC41B7DC095003DEE52 /* DataSource.swift */,
+				39B95AC41B7DC095003DEE52 /* F1DataSource.swift */,
 			);
 			name = "Example for GlyuckDataGrid";
 			path = GlyuckDataGrid;
@@ -469,7 +469,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				397B94191BFA02BC006AB40B /* SpreadSheetCell.swift in Sources */,
-				39B95AC51B7DC095003DEE52 /* DataSource.swift in Sources */,
+				39B95AC51B7DC095003DEE52 /* F1DataSource.swift in Sources */,
 				397B94151BFA0267006AB40B /* SpreadSheetViewController.swift in Sources */,
 				394F1F441C03349C00F7F462 /* MultiplicationTableViewController.swift in Sources */,
 				607FACD61AFB9204008FA782 /* AppDelegate.swift in Sources */,