Added fill commands

Advanced Software Engineering/Advanced Software Engineering/Verbs/DrawingVerbs/Fill.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Advanced_Software_Engineering.Verbs.DrawingVerbs {
+    class Fill : Verb {
+        Drawer drawer;
+        bool enable;
+
+        public Fill(Drawer drawer, bool enable) {
+            this.drawer = drawer;
+            this.enable = enable;
+        }
+
+        public void ExecuteVerb() {
+            if (enable) drawer.EnableFill();
+            else drawer.DisableFill();
+        }
+
+        public string GetDescription() {
+            if (enable) return "Enable fill";
+            else return "Disable fill";
+        }
+    }
+}

Advanced Software Engineering/Advanced Software Engineering/Verbs/VerbFactory.cs

@@ -145,6 +145,16 @@ namespace Advanced_Software_Engineering {
                         return new ResetPen(drawer);
                     } else throw new Exception("Command doesn't take parameters");
 
+                case "fillon":
+                    if (parameters.Length == 0) {
+                        return new Fill(drawer, true);
+                    } else throw new Exception("Command doesn't take parameters");
+
+                case "filloff":
+                    if (parameters.Length == 0) {
+                        return new Fill(drawer, false);
+                    } else throw new Exception("Command doesn't take parameters");
+
                 case "pen":
                     if (parameters.Length == 1) {
                         return new PenColor(drawer, Value.TextToColor(parameters[0]));