PROMS/Volian.Controls.Library/DisplayRO.cs

@@ -18,8 +18,9 @@ namespace Volian.Controls.Library
 		{
 			get { return _MyROFST; }
 			set
-			{ 
-				_MyROFST = value;
+			{
+				if (!Visible) return;		// don't reset anything if the form is invisible.
+				_MyROFST = value;			// define the tree nodes based on this rofst
 				LoadTree();
 			}
 		}
@@ -29,26 +30,50 @@ namespace Volian.Controls.Library
 			get { return _CurROLink; }
 			set
 			{
-				_CurROLink = value;
-				if (_CurROLink != null)
+				if (!Visible) return;		// don't reset anything if the form is invisible.
+				if (value != null)			// modify - set the controls to the current ro
 				{
+					if (_CurROLink == value) return;
+					_CurROLink = value;
 					UpdateROTree();
 					_SavCurROLink = _CurROLink;
 				}
+				else						// insert - clear out controls
+				{
+					_CurROLink = value;
+					tbROValue.Text = null;
+					tvROFST.SelectedNode = null;
+				}
 			}
 		}
 		private string _SavCurROLink;
-		private ItemInfo _CurItem;
-		public ItemInfo CurItem
-		{
-			get { return _CurItem; }
-			set { _CurItem = value; }
-		}
 		private DisplayRTB _MyRTB;
 		public DisplayRTB MyRTB
 		{
 			get { return _MyRTB; }
-			set { _MyRTB = value; }
+			set
+			{
+				if (!Visible) return;
+				if (_MyRTB != null)
+					_MyRTB.LinkChanged -= new DisplayRTBLinkEvent(_MyRTB_LinkChanged);
+				if (value == null) return;
+				_MyRTB = value;
+				_MyRTB.LinkChanged += new DisplayRTBLinkEvent(_MyRTB_LinkChanged);
+				if (_MyRTB.MyLinkText == null)
+				{
+					_CurROLink = null;
+				}
+			}
+		}
+		void _MyRTB_LinkChanged(object sender, LinkClickedEventArgs e)
+		{
+			if (_MyRTB.MyLinkText == null)
+				CurROLink = null;
+			else
+			{
+				DisplayLinkEventArgs tmp = new DisplayLinkEventArgs(null, e);
+				CurROLink = tmp.RoUsageid;
+			}
 		}
 		#endregion
 		#region Constructors
@@ -56,14 +81,6 @@ namespace Volian.Controls.Library
 		{
 			InitializeComponent();
 		}
-		//public DisplayRO(ROFST rofst, ItemInfo curitm, bool modify, DisplayRTB rtb)
-		//{
-		//    _MyROFST = rofst;
-		//    _CurItem = curitm;
-		//    _MyRTB = rtb;
-		//    InitializeComponent();
-		//    LoadTree();
-		//}
 		#endregion
 		#region Events
 		private void tvROFST_AfterSelect(object sender, TreeViewEventArgs e)
@@ -113,7 +130,9 @@ namespace Volian.Controls.Library
 					// if this is a group, i.e. type 0, add a dummy node
 					if (chld[i].type == 0 && chld[i].children == null)
 						//skip it.
-						Console.WriteLine("ro junk");
+						// TODO: KBR how to handle this?
+						//Console.WriteLine("ro junk");
+						continue;
 					else if (chld[i].type == 1 && chld[i].value == null)
 					{
 						tmp = new TreeNode(chld[i].title);
@@ -135,6 +154,7 @@ namespace Volian.Controls.Library
 		{
 			if (_MyROFST == null) return;
 			if (_MyROFST == _CurROFST) return;
+			tvROFST.Nodes.Clear();
 			_CurROFST = _MyROFST;
 			for (int i = 0; i < _MyROFST.myHdr.myDbs.Length; i++)
 			{
@@ -223,12 +243,11 @@ namespace Volian.Controls.Library
 				_MyRTB.InsertRO(tbROValue.Text, linktxt);
 			}
 		}
-		#endregion
-
 		private void btnCancelRO_Click(object sender, EventArgs e)
 		{
 			_CurROLink = _SavCurROLink;
 			UpdateROTree();
 		}
+		#endregion
 	}
 }