private async Task AddChildDetailAsync(TreeNode selectedNode)
{
using (var addChildDetailForm = new AddChildForm(_formsHelper))
{
if (addChildDetailForm.ShowDialog() == DialogResult.OK)
{
List <DetailInTreeView> addedChildDetails = null;
try
{
addedChildDetails = await _detailService.AddChildDetailAsync(
SelectedNodeTag.DetailId,
addChildDetailForm.EnteredName,
addChildDetailForm.CountToAdd);
}
catch (BusinessLogicException e)
{
ShowMessageDialog(e.Message);
return;
}
var addedDetailId =
addedChildDetails
.FirstOrDefault(x => x.Name == addChildDetailForm.EnteredName).DetailId;
var detailHierarchyIds = await _detailService
.GetDetailHierarchyIdsAsync(SelectedNodeTag.DetailId);
// Handle case when detail is already present in the selected scope
var detailNodes = new List <TreeNode>();
detailHierarchyIds.ForEach(detailHierarchyId =>
{
var detailNode = treeView.Nodes
.Find(detailHierarchyId.ToString(), true)
.SingleOrDefault();
if (detailNode != null)
{
detailNodes.Add(detailNode);
}
});
detailNodes.ForEach(detailNode =>
{
var detailNodeTag = detailNode.Tag as DetailInTreeView;
var targetNodeHierarchyId = HierarchyId
.Parse($"{detailNodeTag.HierarchyLevel}{addedDetailId}/");
var addedDetail = addedChildDetails
.SingleOrDefault(x => x.HierarchyLevel == targetNodeHierarchyId);
var targetNodeToUpdate = treeView.Nodes
.Find(targetNodeHierarchyId.ToString(), true)
.SingleOrDefault();
var parentNode = detailNode.Parent;
DetailInTreeView parentNodeTag = parentNode == null ? null : parentNode.Tag as DetailInTreeView;
// Update only if children already loaded for the detail
// for which child detail is beening added
if (parentNodeTag == null || parentNodeTag.IsThirdGenLoaded)
{
var detailNodeHierarchyId = detailNodeTag.HierarchyLevel;
// Handle case when detail is already present in the selected scope
if (targetNodeToUpdate != null)
{
targetNodeToUpdate.Text = DetailNameInTree(addedDetail.Name,
addedDetail.Count);
targetNodeToUpdate.Tag = addedDetail;
}
// Handle case when detail is NOT present in the selected scope
if (targetNodeToUpdate == null)
{
var addedNodeIndex = detailNode.Nodes.Add(new TreeNode
{
Text = DetailNameInTree(addedDetail.Name, addedDetail.Count),
Tag = addedDetail,
Name = targetNodeHierarchyId.ToString()
});
if (detailNodeTag.IsThirdGenLoaded)
{
var addedNode = detailNode.Nodes[addedNodeIndex];
addedChildDetails.ForEach(addedChildDetail =>
{
if (addedDetail.HierarchyLevel ==
addedChildDetail.HierarchyLevel.GetAncestor(1))
{
addedNode.Nodes.Add(
new TreeNode
{
Text = DetailNameInTree(addedChildDetail.Name,
addedChildDetail.Count),
Tag = addedChildDetail,
Name = addedChildDetail.HierarchyLevel.ToString()
});
}
});
}
}
}
});
ShowMessageDialog("Success added!");
}
}
}