--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/API/Objects/AbstractUnitEquipmentItemSelection.cs	Sun Apr 03 18:50:32 2011 +0000
@@ -0,0 +1,92 @@
+// This file (AbstractUnitEquipmentItemSelection.cs) is a part of the IBBoard.WarFoundry.API project and is copyright 2009 IBBoard
+// 
+// The file and the library/program it is in are licensed and distributed, without warranty, under the GNU Affero GPL license, either version 3 of the License or (at your option) any later version. Please see COPYING for more information and the full license.
+
+using System;
+
+namespace IBBoard.WarFoundry.API.Objects
+{
+	/// <summary>
+	/// An abstract class that defines a selection of equipment for a unit
+	/// </summary>	
+	public abstract class AbstractUnitEquipmentItemSelection
+	{
+		private Unit selectionForUnit;
+		private UnitEquipmentItem selectedItem;
+		private double amountTaken;
+		
+		public AbstractUnitEquipmentItemSelection(Unit unit, UnitEquipmentItem item, double amount)
+		{
+			selectionForUnit = unit;
+			selectedItem = item;
+			AmountTaken = amount;
+		}
+		
+		public Unit EquipmentForUnit
+		{
+			get
+			{
+				return selectionForUnit;
+			}
+		}
+		
+		public UnitEquipmentItem EquipmentItem
+		{
+			get
+			{
+				return selectedItem;
+			}
+		}
+		
+		public double AmountTaken
+		{
+			get 
+			{
+				return amountTaken;
+			}
+			set
+			{
+				amountTaken = value;
+				
+				if (!IsValidValue(value))
+				{
+					//Fire validation failed event (once we have one)
+				}
+			}
+		}
+		
+		public bool IsValid
+		{
+			get
+			{
+				return IsValidValue(AmountTaken) && IsInRange(AmountTaken);
+			}	
+		}
+		
+		protected virtual bool IsValidValue(double newValue)
+		{
+			return true;
+		}
+		
+		protected bool IsInRange(double newValue)
+		{
+			int unitSize = EquipmentForUnit.Size;
+			int minLimit = EquipmentItem.MinLimit.GetLimit(unitSize);
+			int maxLimit = EquipmentItem.MaxLimit.GetLimit(unitSize);
+			return (minLimit <= newValue) && (newValue <= maxLimit);
+		}
+		
+		public double TotalCost
+		{
+			get
+			{
+				return NumberTaken * EquipmentItem.Cost;
+			}
+		}
+		
+		public abstract int NumberTaken
+		{
+			 get;
+		}
+	}
+}