PROMS/VEPROMS.CSLA.Library/Extension/FolderExt.cs

@@ -17,6 +17,8 @@ using System.Configuration;
 using System.IO;
 using System.Drawing;
 using System.Collections.Generic;
+using System.ComponentModel;
+using System.Text.RegularExpressions;
 
 namespace VEPROMS.CSLA.Library
 {
@@ -68,9 +70,19 @@ namespace VEPROMS.CSLA.Library
 				return MyParent;
 			}
 		}
+		private Format _ActiveFormat = null;
 		public Format ActiveFormat
 		{
-			get { return LocalFormat != null ? LocalFormat : (ActiveParent != null ? ActiveParent.ActiveFormat : null); }
+			get
+			{
+				if (_ActiveFormat == null)
+					_ActiveFormat = (LocalFormat != null ? LocalFormat : ActiveParent != null ? ActiveParent.ActiveFormat : null);
+				return _ActiveFormat;
+			}
+			set
+			{
+				_ActiveFormat = null; // Reset
+			}
 		}
 		public Format LocalFormat
 		{
@@ -81,6 +93,16 @@ namespace VEPROMS.CSLA.Library
 			get { return FolderConfig; }
 		}
 		#endregion
+		#region MakeFolders for ManualOrder
+		public static Folder MakeFolder(Folder myParent, Connection myConnection, string name, string title, string shortName, Format myFormat, string config, DateTime dts, string usrID)
+		{
+			return MakeFolder(myParent, myConnection, name, title, shortName, myFormat, null, config, dts, usrID);
+		}
+		public static Folder MakeFolder(Folder myParent, Connection myConnection, string name, string title, string shortName, Format myFormat, string config)
+		{
+			return MakeFolder(myParent, myConnection, name, title, shortName, myFormat, null, config);
+		}
+		#endregion
 	}
 	public partial class FolderInfo:IVEDrillDownReadOnly
 	{
@@ -96,11 +118,84 @@ namespace VEPROMS.CSLA.Library
 			_FolderConfig = null;
 		}
 		#endregion
+		#region SortingChildren
+		public Csla.SortedBindingList<FolderInfo> _SortedChildFolders;
+		public Csla.SortedBindingList<FolderInfo> SortedChildFolders
+		{
+			get
+			{
+				if (ChildFolders != null)
+				{
+					if (_SortedChildFolders == null)
+					{
+						_SortedChildFolders = new SortedBindingList<FolderInfo>(ChildFolders);
+						//_SortedChildFolders.ApplySort("FolderID", ListSortDirection.Ascending);
+						//_SortedChildFolders.ApplySort("Name", ListSortDirection.Ascending);
+					}
+					else if (_SortedChildFolders.Count != ChildFolders.Count)
+					{
+						_SortedChildFolders = new SortedBindingList<FolderInfo>(ChildFolders);
+					}
+					_SortedChildFolders.ApplySort("ManualOrder", ListSortDirection.Ascending);
+				}
+				return _SortedChildFolders;
+			}
+		}
+		public double? NewManualOrder(int index)
+		{
+			double? retval = 1;
+			if (SortedChildFolders == null || SortedChildFolders.Count == 0)
+				retval = 1; // First value
+			else if (index == 0)
+			{
+				if (retval >= SortedChildFolders[index].ManualOrder) // If one is too big, then divide first value in half
+					retval = SortedChildFolders[index].ManualOrder / 2;
+			}
+			else if (SortedChildFolders.Count > index)
+			{
+				retval += SortedChildFolders[index - 1].ManualOrder; // Just go to the next whole number
+				if (retval >= SortedChildFolders[index].ManualOrder)
+					retval = (SortedChildFolders[index - 1].ManualOrder + SortedChildFolders[index].ManualOrder) / 2;
+			}
+			else
+				retval += SortedChildFolders[index - 1].ManualOrder;
+			return retval;
+		}
+		/// <summary>
+		/// UniqueChildName will check the existing children to assure that the name is not a duplicate name.
+		/// </summary>
+		/// <param name="folderName"></param>
+		/// <returns></returns>
+		public string UniqueChildName(string folderName)
+		{
+			string retval = folderName;
+			int iSuffix = -1;
+			RefreshChildFolders();
+			foreach (FolderInfo fi in ChildFolders)
+			{
+				if (fi.Name.StartsWith(folderName))
+				{
+					if (fi.Name == folderName)
+						iSuffix = 0;
+					else if (Regex.IsMatch(fi.Name, folderName + "[_][0-9]+"))
+					{
+						int ii = int.Parse(fi.Name.Substring(1 + folderName.Length));
+						if (ii > iSuffix) iSuffix = ii;
+					}
+				}
+			}
+			if (iSuffix >= 0)
+				retval = string.Format("{0}_{1}", folderName, iSuffix + 1);
+			// Console.WriteLine("FolderName = '{0}'", retval);
+			return retval;
+		}
+		#endregion
 		#region IVEReadOnlyItem
 		public System.Collections.IList GetChildren()
 		{
 			if(FolderDocVersionCount != 0)return FolderDocVersions;
-			if (ChildFolderCount != 0) return ChildFolders;
+			//if (ChildFolderCount != 0) return ChildFolders;
+			if (ChildFolderCount != 0) return SortedChildFolders;
 			return null;
 		}
 		//public bool ChildrenAreLoaded
@@ -178,4 +273,5 @@ namespace VEPROMS.CSLA.Library
 		}
 		#endregion
 	}
+
 }