svn commit: r484629 - /struts/sandbox/trunk/overdrive/Nexus/Web/GridControl.ascx.cs

[hu...@apache.org]

Author: husted
Date: Fri Dec  8 07:04:55 2006
New Revision: 484629

URL: http://svn.apache.org/viewvc?view=rev&rev=484629
Log:
Extend support for flipping to a page in the datagrid, based on a key field. Clients can override ExecuteList to specify the name of the key field. 

Modified:
    struts/sandbox/trunk/overdrive/Nexus/Web/GridControl.ascx.cs

Modified: struts/sandbox/trunk/overdrive/Nexus/Web/GridControl.ascx.cs
URL: http://svn.apache.org/viewvc/struts/sandbox/trunk/overdrive/Nexus/Web/GridControl.ascx.cs?view=diff&rev=484629&r1=484628&r2=484629
==============================================================================
--- struts/sandbox/trunk/overdrive/Nexus/Web/GridControl.ascx.cs (original)
+++ struts/sandbox/trunk/overdrive/Nexus/Web/GridControl.ascx.cs Fri Dec  8 07:04:55 2006
@@ -593,41 +593,56 @@
 
 
 		/// <summary>
-		/// Store the item key field name.
+		/// Obtain the item key field name.
 		/// </summary>
 		/// <param name="context">The context to examine</param>
-		/// <param name="key">The name of the item key field</param>
+		/// <returns>Name of key field</returns>
 		/// 	
-		protected void SetItemKey(IDictionary context, string key)
+		protected object GetItemKey(IDictionary context)
 		{
-			context[ITEM_KEY] = key;
+			if (context==null) return null;
+			return context[ITEM_KEY];
 		}
 		
 		/// <summary>
-		/// Obtain the item key field name.
+		/// Store the item key field name.
 		/// </summary>
 		/// <param name="context">The context to examine</param>
-		/// <returns>Name of key field</returns>
+		/// <param name="key">The name of the item key field</param>
 		/// 	
-		protected object GetItemKey(IDictionary context)
+		protected void SetItemKey(IDictionary context, string key)
 		{
-			return context[ITEM_KEY];
+			if (context!=null) context[ITEM_KEY] = key;
 		}
 		
 		/// <summary>
-		/// Obtain the item page from Helper, or zero if no page set.
+		/// Obtain the item key value for Helper.
 		/// </summary>
 		/// <param name="context">The context to examine</param>
 		/// <returns>Current page number within data set</returns>
 		/// 	
 		protected object GetItemKeyValue(IDictionary context)
 		{
+			if (context==null) return null;
 			object key = context[ITEM_KEY];
 			if (key==null) return null;
 			return context[key];
 		}
 		
 		/// <summary>
+		/// Update the item key value for Helper, especially to clear on Add.
+		/// </summary>
+		/// <param name="context">The context to examine</param>
+		/// <returns>Current page number within data set</returns>
+		/// 	
+		protected void SetItemKeyValue(IDictionary context, string val)
+		{
+			if (context==null) return;
+			object key = context[ITEM_KEY];
+			if (key!=null) context[key] = val;
+		}
+
+		/// <summary>
 		/// Configure the DataGrid for initial display.
 		/// </summary>
 		/// <param name="helper">The Helper with an outcome to bind as a DataSource</param>
@@ -1315,6 +1330,7 @@
 		{
 			if (View_Add != null)
 			{
+				SetItemKeyValue(list_Criteria, null);
 				FindArgs f = new FindArgs(e, list_Criteria);
 				View_Add(sender, f);
 			}