Fixed #45 by merging branch 'Exort-develop'

Assets/Fungus/FungusScript/Editor/CommandListAdaptor.cs

@@ -337,7 +337,28 @@ namespace Fungus
 
 			// Build menu list
 			List<System.Type> menuTypes = EditorExtensions.FindDerivedTypes(typeof(Command)).ToList();
-			foreach(System.Type type in menuTypes)
+			List<KeyValuePair<System.Type, CommandInfoAttribute>> filteredAttributes = GetFilteredCommandInfoAttribute(menuTypes);
+
+			foreach(var keyPair in filteredAttributes)
+			{
+				SetCommandOperation commandOperation = new SetCommandOperation();
+				
+				commandOperation.sequence = sequence;
+				commandOperation.commandType = keyPair.Key;
+				commandOperation.index = index;
+				
+				commandMenu.AddItem (new GUIContent (keyPair.Value.Category + "/" + keyPair.Value.CommandName), 
+				                     false, Callback, commandOperation);
+			}
+
+			commandMenu.ShowAsContext();
+		}
+
+		List<KeyValuePair<System.Type,CommandInfoAttribute>> GetFilteredCommandInfoAttribute(List<System.Type> menuTypes)
+		{
+			Dictionary<string, KeyValuePair<System.Type, CommandInfoAttribute>> filteredAttributes = new Dictionary<string, KeyValuePair<System.Type, CommandInfoAttribute>>();
+			
+			foreach (System.Type type in menuTypes)
 			{
 				object[] attributes = type.GetCustomAttributes(false);
 				foreach (object obj in attributes)
@@ -345,19 +366,23 @@ namespace Fungus
 					CommandInfoAttribute infoAttr = obj as CommandInfoAttribute;
 					if (infoAttr != null)
 					{
-						SetCommandOperation commandOperation = new SetCommandOperation();
-
-						commandOperation.sequence = sequence;
-						commandOperation.commandType = type;
-						commandOperation.index = index;
-
-						commandMenu.AddItem (new GUIContent (infoAttr.Category + "/" + infoAttr.CommandName), 
-						                     false, Callback, commandOperation);
+						string dictionaryName = string.Format("{0}/{1}", infoAttr.Category, infoAttr.CommandName);
+						
+						int existingItemPriority = -1;
+						if (filteredAttributes.ContainsKey(dictionaryName))
+						{
+							existingItemPriority = filteredAttributes[dictionaryName].Value.Priority;
+						}
+						
+						if (infoAttr.Priority > existingItemPriority)
+						{
+							KeyValuePair<System.Type, CommandInfoAttribute> keyValuePair = new KeyValuePair<System.Type, CommandInfoAttribute>(type, infoAttr);
+							filteredAttributes[dictionaryName] = keyValuePair;
+						}
 					}
 				}
 			}
-
-			commandMenu.ShowAsContext();
+			return filteredAttributes.Values.ToList<KeyValuePair<System.Type,CommandInfoAttribute>>();
 		}
 		
 		void Callback(object obj)

Assets/Fungus/FungusScript/Scripts/Command.cs

@@ -8,16 +8,18 @@ namespace Fungus
 	
 	public class CommandInfoAttribute : Attribute
 	{
-		public CommandInfoAttribute(string category, string commandName, string helpText)
+		public CommandInfoAttribute(string category, string commandName, string helpText, int priority = 0)
 		{
 			this.Category = category;
 			this.CommandName = commandName;
 			this.HelpText = helpText;
+			this.Priority = priority;
 		}
 
 		public string Category { get; set; }
 		public string CommandName { get; set; }
 		public string HelpText { get; set; }
+		public int Priority { get; set; }
 	}
 
 	public class Command : MonoBehaviour