public override void Refresh()
{
if ((this.TreeView != null) && (this.TreeView.InvokeRequired))
{
this.TreeView.Invoke(new EmptyDelegate(this.Refresh));
return;
}
this.Text = "Entities";
this.Name = "Entities";
this.ImageIndex = ImageHelper.GetImageIndex(TreeIconConstants.Tables);
this.SelectedImageIndex = this.ImageIndex;
this.Nodes.Clear();
var cellEntryCollection = (CellEntryCollection)this.Object;
foreach (CellEntry element in cellEntryCollection)
{
var tc = new TableController(element);
this.Nodes.Add(tc.Node);
}
this.Controller.UIControl.Refresh();
}
public TableNode(TableController controller)
: base(controller)
{
}
public override void Refresh()
{
try
{
if ((this.TreeView != null) && (this.TreeView.InvokeRequired))
{
this.TreeView.Invoke(new EmptyDelegate(this.Refresh));
return;
}
if (this.TreeView != null)
this.TreeView.BeginUpdate();
this.Text = "Entities";
this.Name = "Entities";
this.ImageIndex = ImageHelper.GetImageIndex(TreeIconConstants.Tables);
this.SelectedImageIndex = this.ImageIndex;
var tableCollection = (TableCollection)this.Object;
//Add new nodes
foreach (Table table in tableCollection)
{
if (this.Nodes.Find(table.Key, false).Length == 0)
{
var tc = new TableController(table);
tc.Node.Name = table.Key;
tc.Node.Text = table.Name;
this.Nodes.Add(tc.Node);
}
}
//Use a hash table for speed
var tableCache = new Hashtable();
foreach (Table table in tableCollection)
tableCache.Add(table.Key, table);
//Rename nodes if name change
foreach (TreeNode node in this.Nodes)
{
if (tableCache.ContainsKey(node.Name))
{
var item = (Table)tableCache[node.Name];
//var item = tableCollection.FirstOrDefault(x => x.Key == node.Name);
if ((item != null) && (node.Text != item.Name)) node.Text = item.Name;
}
}
//Remove non-existing nodes
for (var ii = this.Nodes.Count - 1; ii >= 0; ii--)
{
var node = (TableNode)this.Nodes[ii];
if (!tableCollection.Contains(node.Text))
{
this.Nodes.RemoveAt(ii);
}
}
this.Sort();
this.Controller.UIControl.Refresh();
this.Expand();
}
catch (Exception ex)
{
throw;
}
finally
{
if (this.TreeView != null)
this.TreeView.EndUpdate();
}
}
