PROMS/Volian.Controls.Library/DisplayRO.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Drawing;
+using System.Data;
+using System.Text;
+using System.Windows.Forms;
+using VEPROMS.CSLA.Library;
+
+namespace Volian.Controls.Library
+{
+	public partial class DisplayRO : UserControl
+	{
+		#region Properties
+		private ROFST _MyROFST;
+		public ROFST MyROFST
+		{
+			get { return _MyROFST; }
+			set
+			{ 
+				_MyROFST = value;
+				LoadTree();
+			}
+		}
+		private bool _Modify = false;
+		public bool Modify
+		{
+			get { return _Modify; }
+			set { _Modify = value; }
+		}
+		private ItemInfo _CurItem;
+		public ItemInfo CurItem
+		{
+			get { return _CurItem; }
+			set { _CurItem = value; }
+		}
+		private DisplayRTB _MyRTB;
+
+		public DisplayRTB MyRTB
+		{
+			get { return _MyRTB; }
+			set { _MyRTB = value; }
+		}
+		#endregion
+		#region Constructors
+		public DisplayRO()
+		{
+			InitializeComponent();
+		}
+		public DisplayRO(ROFST rofst, ItemInfo curitm, bool modify, DisplayRTB rtb)
+		{
+			_MyROFST = rofst;
+			_CurItem = curitm;
+			_Modify = modify;
+			_MyRTB = rtb;
+			InitializeComponent();
+			LoadTree();
+		}
+		#endregion
+		#region Events
+		private void tvROFST_AfterSelect(object sender, TreeViewEventArgs e)
+		{
+			if (e.Node.Tag is ROFST.rochild)
+			{
+				ROFST.rochild chld = (ROFST.rochild)e.Node.Tag;
+				if (chld.type == 1 && chld.value != null) tbROValue.Text = chld.value;
+				else tbROValue.Text = null;
+			}
+			else
+				tbROValue.Text = null;
+		}
+
+		private void tvROFST_BeforeExpand(object sender, TreeViewCancelEventArgs e)
+		{
+			LoadChildren(e.Node);
+		}
+		private void LoadChildren(TreeNode tn)
+		{
+			object tag = tn.Tag;
+			if (tn.FirstNode != null && tn.FirstNode.Text == "VLN_DUMMY_FOR_TREE") tn.FirstNode.Remove();
+			ROFST.rochild[] chld = null;
+
+			if (tn.Tag is ROFST.rodbi)
+			{
+				ROFST.rodbi db = (ROFST.rodbi)tn.Tag;
+				chld = db.children;
+			}
+			else if (tn.Tag is ROFST.rochild)
+			{
+				ROFST.rochild ch = (ROFST.rochild)tn.Tag;
+				chld = ch.children;
+			}
+			else
+			{
+				Console.WriteLine("error - no type");
+				return;
+			}
+			// if children, add dummy node
+			if (chld != null && chld.Length > 0)
+			{
+				for (int i = 0; i < chld.Length; i++)
+				{
+					TreeNode tmp = null;
+					// 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");
+					else if (chld[i].type == 1 && chld[i].value == null)
+					{
+						tmp = new TreeNode(chld[i].title);
+						tmp.Tag = chld[i];
+						tn.Nodes.Add(tmp);
+						TreeNode sub = new TreeNode("VLN_DUMMY_FOR_TREE");
+						tmp.Nodes.Add(sub);
+					}
+					else
+					{
+						tmp = new TreeNode(chld[i].title);
+						tmp.Tag = chld[i];
+						tn.Nodes.Add(tmp);
+					}
+				}
+			}
+		}
+		private void LoadTree()
+		{
+			if (_MyROFST == null) return;
+			for (int i = 0; i < _MyROFST.myHdr.myDbs.Length; i++)
+			{
+				TreeNode tn = new TreeNode(_MyROFST.myHdr.myDbs[i].dbiTitle);
+				tn.Tag = _MyROFST.myHdr.myDbs[i];
+				tvROFST.Nodes.Add(tn);
+				AddDummyGroup(_MyROFST.myHdr.myDbs[i], tn);
+			}
+		}
+		private void AddDummyGroup(ROFST.rodbi rodbi, TreeNode tn)
+		{
+			if (rodbi.children != null && rodbi.children.Length > 0)
+			{
+				TreeNode tmp = new TreeNode("VLN_DUMMY_FOR_TREE");
+				tn.Nodes.Add(tmp);
+			}
+		}
+		private void btnInsertRO_Click(object sender, EventArgs e)
+		{
+			if (tbROValue.Text == null || tbROValue.Text == "")
+			{
+				MessageBox.Show("Must select an RO Value from the tree.");
+				return;
+			}
+			Object obj = tvROFST.SelectedNode.Tag;
+			if (obj is ROFST.rochild)
+			{
+				ROFST.rochild roch = (ROFST.rochild) obj;
+				string linktxt = string.Format("#Link:ReferencedObject: #xx {0}", roch.roid);
+				_MyRTB.InsertRO(tbROValue.Text, linktxt);
+			}
+		}
+		#endregion
+	}
+}