protected override void OnAfterSelect(TreeViewEventArgs e)
{
dbTreeNode leafNode = (dbTreeNode)e.Node;
if (leafNode != null)
{
if (this.m_currencyManager.Position != leafNode.Position)
{
this.m_currencyManager.Position = leafNode.Position;
}
}
// TODO: Add MyTreeViewCtrl.OnAfterSelect implementation
base.OnAfterSelect(e);
}
private void AddNodes(int currGroupIndex,
ref int currentListIndex,
TreeNodeCollection currNodes,
String prevGroupByField)
{
IList innerList = this.m_currencyManager.List;
System.ComponentModel.PropertyDescriptor pdPrevGroupBy = null;
string prevGroupByValue = null;;
Group currGroup;
if (prevGroupByField != "")
{
pdPrevGroupBy = this.m_currencyManager.GetItemProperties()[prevGroupByField];
}
currGroupIndex += 1;
if (treeGroups.Count > currGroupIndex)
{
currGroup = ( Group)treeGroups[currGroupIndex];
PropertyDescriptor pdGroupBy = null;
PropertyDescriptor pdValue = null;
PropertyDescriptor pdDisplay = null;
pdGroupBy = this.m_currencyManager.GetItemProperties()[currGroup.GroupBy];
pdValue = this.m_currencyManager.GetItemProperties()[currGroup.ValueMember];
pdDisplay = this.m_currencyManager.GetItemProperties()[currGroup.DisplayMember];
string currGroupBy = null;
if (innerList.Count > currentListIndex)
{
if (pdPrevGroupBy != null)
{
prevGroupByValue = pdPrevGroupBy.GetValue(innerList[currentListIndex]).ToString();
}
dbTreeNode myFirstNode = null;
object currObject = null;
while ((currentListIndex < innerList.Count) &&
(pdPrevGroupBy != null) &&
(pdPrevGroupBy.GetValue(innerList[currentListIndex]).ToString() == prevGroupByValue))
{
currObject = innerList[currentListIndex];
if (pdGroupBy.GetValue(currObject).ToString() != currGroupBy)
{
currGroupBy = pdGroupBy.GetValue(currObject).ToString();
myFirstNode = new dbTreeNode(currGroup.Name,
pdDisplay.GetValue(currObject).ToString(),
currObject,
pdValue.GetValue(innerList[currentListIndex]),
currGroup.ImageIndex,
currGroup.SelectedImageIndex,
currentListIndex);
currNodes.Add((TreeNode)myFirstNode);
}
else
{
AddNodes(currGroupIndex, ref currentListIndex, myFirstNode.Nodes, currGroup.GroupBy);
}
}
}
}
else
{
dbTreeNode myNewLeafNode;
object currObject = this.m_currencyManager.List[currentListIndex];
if ((this.DisplayMember != null) && (this.ValueMember != null) &&
(this.DisplayMember != "") && (this.ValueMember != ""))
{
PropertyDescriptor pdDisplayloc =
this.m_currencyManager.GetItemProperties()[this.DisplayMember];
PropertyDescriptor pdValueloc =
this.m_currencyManager.GetItemProperties()[this.ValueMember];
myNewLeafNode = new dbTreeNode(this.Tag == null ? "" : this.Tag.ToString(),
pdDisplayloc.GetValue(currObject).ToString(),
currObject,
pdValueloc.GetValue(currObject),
currentListIndex);
}
else
{
myNewLeafNode = new dbTreeNode("", currentListIndex.ToString(),
currObject,
currObject,
this.ImageIndex, this.SelectedImageIndex,
currentListIndex);
}
currNodes.Add((TreeNode)myNewLeafNode);
currentListIndex += 1;
}
}
public void BuildTree()
{
this.Nodes.Clear();
if ((this.m_currencyManager != null) && (this.m_currencyManager.List != null))
{
IList innerList = this.m_currencyManager.List;
TreeNodeCollection currNode = this.Nodes;
int currGroupIndex = 0;
int currListIndex = 0;
if (this.treeGroups.Count > currGroupIndex)
{
Group currGroup = (Group)treeGroups[currGroupIndex];
dbTreeNode myFirstNode = null;
PropertyDescriptor pdGroupBy;
PropertyDescriptor pdValue;
PropertyDescriptor pdDisplay;
pdGroupBy = this.m_currencyManager.GetItemProperties()[currGroup.GroupBy];
pdValue = this.m_currencyManager.GetItemProperties()[currGroup.ValueMember];
pdDisplay = this.m_currencyManager.GetItemProperties()[currGroup.DisplayMember];
string currGroupBy = null;
if (innerList.Count > currListIndex)
{
object currObject;
while (currListIndex < innerList.Count)
{
currObject = innerList[currListIndex];
if (pdGroupBy.GetValue(currObject).ToString() != currGroupBy)
{
currGroupBy = pdGroupBy.GetValue(currObject).ToString();
myFirstNode = new dbTreeNode(currGroup.Name,
pdDisplay.GetValue(currObject).ToString(),
currObject,
pdValue.GetValue(innerList[currListIndex]),
currGroup.ImageIndex,
currGroup.SelectedImageIndex,
currListIndex);
currNode.Add((TreeNode)myFirstNode);
}
else
{
AddNodes(currGroupIndex, ref currListIndex, myFirstNode.Nodes, currGroup.GroupBy);
}
} // end while
} // end if
} // end if
else
{
while (currListIndex < innerList.Count)
{
AddNodes(currGroupIndex, ref currListIndex, this.Nodes, "");
}
} // end else
if (this.Nodes.Count > 0)
{
this.SelectedNode = this.Nodes[0];
}
} // end if
}