protected virtual void InitChildrenControl()
{
this._children = new Control();
_children.Controls.Clear();
foreach (var child in _item.Children)
{
var temp = new DLTreeItem(_prefix, child);
temp.SelectionChange += this.SelectionChange;
_children.Controls.Add(temp);
}
}
protected virtual void BindTreeData()
{
this.EnsureChildControls();
_treeContent.Controls.Clear();
#region Create Root element if it's needed
if (HasRootElement)
{
TreeItemModel rootItem = new TreeItemModel();
rootItem.ID = Guid.Empty;
rootItem.Name = RootElementName;
if (FlatDataModel.Where(i => i.ID == Guid.Empty).Count() == 0)
{
FlatDataModel.Add(rootItem);
}
}
#endregion
var hierarchyDataModel = CreateHierarchyFromFlat(FlatDataModel, HasRootElement);
#region Create TreeItems
if (EventHandler == null)
{
EventHandler = new EventHandler <SelectionChangeEventArgs>(this.SelectionChangeHandler);
}
foreach (var item in hierarchyDataModel)
{
DLTreeItem temp = new DLTreeItem(this.ClientID, item);
temp.SelectionChange += EventHandler;
_treeContent.Controls.Add(temp);
}
#endregion
this.Controls.Add(new LiteralControl("<ul id='tree'>"));
this.Controls.Add(_treeContent);
this.Controls.Add(new LiteralControl("</ul>"));
if (FlatDataModel == null || !FlatDataModel.Any())
{
this.Controls.Add(new LiteralControl("<span>" + _emptyStuctureLabel + "</span>"));
}
}
