public override void Refresh()
{
try
{
if ((this.TreeView != null) && (this.TreeView.InvokeRequired))
{
this.TreeView.Invoke(new EmptyDelegate(this.Refresh));
return;
}
this.Text = "Fields";
this.Name = "Fields";
this.ImageIndex = ImageHelper.GetImageIndex(TreeIconConstants.FolderClose);
this.SelectedImageIndex = ImageHelper.GetImageIndex(TreeIconConstants.FolderOpen);
//Add new nodes
var referenceCollection = (ReferenceCollection)this.Object;
//Save the selected item
var selectedKey = string.Empty;
if ((this.TreeView != null) && (this.TreeView.SelectedNode != null) && (this.Nodes.Contains(this.TreeView.SelectedNode)))
{
var reference = referenceCollection.GetByKey(this.TreeView.SelectedNode.Name);
if (reference != null)
{
selectedKey = ((CustomAggregateColumn)reference.Object).Key;
}
}
foreach (Reference reference in referenceCollection)
{
if (this.Nodes.Find(reference.Key, false).Length == 0)
{
var tc = new CustomAggregateColumnController(reference.Object);
tc.Node.Name = reference.Key;
tc.Node.Text = ((CustomAggregateColumn)reference.Object).Name;
this.Nodes.Add(tc.Node);
}
}
//Rename nodes if name change
foreach (TreeNode node in this.Nodes)
{
var item = referenceCollection.FirstOrDefault(x => x.Key == node.Name);
if (item != null)
{
node.Text = ((CustomAggregateColumn)item.Object).Name;
}
}
//Remove non-existing nodes
for (var ii = this.Nodes.Count - 1; ii >= 0; ii--)
{
var node = (CustomAggregateColumnNode)this.Nodes[ii];
if (!referenceCollection.Contains(node.Name))
{
this.Nodes.RemoveAt(ii);
}
}
//Save the selected item
if ((this.TreeView != null) && (!string.IsNullOrEmpty(selectedKey)))
{
foreach (TreeNode node in this.Nodes)
{
var reference = referenceCollection.GetByKey(node.Name);
if ((reference != null) && (selectedKey == ((CustomAggregateColumn)reference.Object).Key))
{
this.TreeView.SelectedNode = node;
}
}
}
this.Sort();
this.Controller.UIControl.Refresh();
}
catch (Exception ex)
{
throw;
}
}
public CustomAggregateColumnNode(CustomAggregateColumnController controller)
: base(controller)
{
}
public CustomAggregateColumnNode(CustomAggregateColumnController controller)
: base(controller)
{
}
public override void Refresh()
{
try
{
if((this.TreeView != null) && (this.TreeView.InvokeRequired))
{
this.TreeView.Invoke(new EmptyDelegate(this.Refresh));
return;
}
this.Text = "Fields";
this.Name = "Fields";
this.ImageIndex = ImageHelper.GetImageIndex(TreeIconConstants.FolderClose);
this.SelectedImageIndex = ImageHelper.GetImageIndex(TreeIconConstants.FolderOpen);
//Add new nodes
var referenceCollection = (ReferenceCollection)this.Object;
//Save the selected item
var selectedKey = string.Empty;
if((this.TreeView != null) && (this.TreeView.SelectedNode != null) && (this.Nodes.Contains(this.TreeView.SelectedNode)))
{
var reference = referenceCollection.GetByKey(this.TreeView.SelectedNode.Name);
if(reference != null)
selectedKey = ((CustomAggregateColumn)reference.Object).Key;
}
foreach(Reference reference in referenceCollection)
{
if(this.Nodes.Find(reference.Key, false).Length == 0)
{
var tc = new CustomAggregateColumnController(reference.Object);
tc.Node.Name = reference.Key;
tc.Node.Text = ((CustomAggregateColumn)reference.Object).Name;
this.Nodes.Add(tc.Node);
}
}
//Rename nodes if name change
foreach (TreeNode node in this.Nodes)
{
var item = referenceCollection.FirstOrDefault(x => x.Key == node.Name);
if (item != null) node.Text = ((CustomAggregateColumn)item.Object).Name;
}
//Remove non-existing nodes
for(var ii = this.Nodes.Count - 1 ; ii >= 0 ; ii--)
{
var node = (CustomAggregateColumnNode)this.Nodes[ii];
if(!referenceCollection.Contains(node.Name))
{
this.Nodes.RemoveAt(ii);
}
}
//Save the selected item
if((this.TreeView != null) && (!string.IsNullOrEmpty(selectedKey)))
{
foreach(TreeNode node in this.Nodes)
{
var reference = referenceCollection.GetByKey(node.Name);
if((reference != null) && (selectedKey == ((CustomAggregateColumn)reference.Object).Key))
this.TreeView.SelectedNode = node;
}
}
this.Sort();
this.Controller.UIControl.Refresh();
}
catch(Exception ex)
{
throw;
}
}