private void FillStructure()
{
_InFillStructure = true;
if (!(_DataSource == null || string.IsNullOrEmpty(_ValueMember) || string.IsNullOrEmpty(_DisplayMember) || string.IsNullOrEmpty(_ParentLinkMember) || string.IsNullOrEmpty(_IsSelectableMember)))
{
this.BeginUpdate();
this.Nodes.Clear();
ValueIndex.Clear();
CheckedNodes = new List <gTreeNode>();
// TODO: Implement Sorting
//_DataSource.DefaultView.Sort = _SortByMember;
// ================================================
foreach (var DataItem in _DataSource)
{
Object parentLinkValue = DataItem.GetType().GetProperty(_ParentLinkMember).GetValue(DataItem, null);
if (parentLinkValue == null || Convert.ToInt32(parentLinkValue) == 0)
{
Font nodeFont = default(System.Drawing.Font);
if (!(bool)DataItem.GetType().GetProperty(_IsSelectableMember).GetValue(DataItem, null))
{
nodeFont = new System.Drawing.Font(this.Font, FontStyle.Italic);
}
else
{
nodeFont = new System.Drawing.Font(this.Font, FontStyle.Regular);
}
gTreeNode newNode = new gTreeNode(DataItem.GetType().GetProperty(_DisplayMember).GetValue(DataItem, null) as string,
DataItem.GetType().GetProperty(_ValueMember).GetValue(DataItem, null),
DataItem,
(bool)DataItem.GetType().GetProperty(_IsSelectableMember).GetValue(DataItem, null),
nodeFont);
this.Nodes.Add(newNode);
ValueIndex.Add(newNode.Key, newNode.FullPath);
}
}
bool NodesAdded = false;
do
{
NodesAdded = false;
foreach (var DataItem in _DataSource)
{
Object parentLinkValue = DataItem.GetType().GetProperty(_ParentLinkMember).GetValue(DataItem, null);
if (parentLinkValue != null &&
ValueIndex.ContainsKey(parentLinkValue))
{
Font nodeFont = default(System.Drawing.Font);
if (!(bool)DataItem.GetType().GetProperty(_IsSelectableMember).GetValue(DataItem, null))
{
nodeFont = new System.Drawing.Font(this.Font, FontStyle.Italic);
}
else
{
nodeFont = new System.Drawing.Font(this.Font, FontStyle.Regular);
}
gTreeNode newNode = new gTreeNode(DataItem.GetType().GetProperty(_DisplayMember).GetValue(DataItem, null) as string,
DataItem.GetType().GetProperty(_ValueMember).GetValue(DataItem, null),
DataItem,
(bool)DataItem.GetType().GetProperty(_IsSelectableMember).GetValue(DataItem, null),
nodeFont);
if (!ValueIndex.ContainsKey(newNode.Key))
{
FindGTreeNode(ValueIndex[DataItem.GetType().GetProperty(_ParentLinkMember).GetValue(DataItem, null)]).Nodes.Add(newNode);
ValueIndex.Add(newNode.Key, newNode.FullPath);
NodesAdded = true;
}
}
}
} while (NodesAdded);
this.EndUpdate();
}
else
{
this.Nodes.Clear();
}
this.SelectedNode = null;
_InFillStructure = false;
}
