private void SetupControl()
{
pageTree.LineImagesFolder = "~/CMSModules/RelationshipsExtended/Controls/RelatedCategories_Files";
pageTree.NodeStyle.CssClass = "InputNode";
pageTree.ShowLines = true;
// Build a list of the pages
var docQuery = new DocumentQuery().OrderBy("NodeLevel, NodeOrder");
foreach (string Path in StartingPathArray)
{
docQuery.Path(Path, PathTypeEnum.Section);
}
if (!string.IsNullOrWhiteSpace(RelatedNodeSiteName))
{
docQuery.OnSite(RelatedNodeSiteName);
}
List <CMS.DocumentEngine.TreeNode> Nodes = docQuery.TypedResult.ToList();
// Get existing selected nodes
string where = string.Format("NodeClassID in (select ClassID from CMS_Class where ClassName in ('{0}'))",
string.Join("','", AllowedPageTypes.Split(";| ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries)));
// Split off Where condition for if they provide a Where to filter out other items.
string AdditionalWhere = where;
// Filter to show items not already selected
if (ddlCurrentNodeDirection.SelectedValue == "LeftNode")
{
where = SqlHelper.AddWhereCondition(where,
string.Format("({0})",
string.Format("NodeID in (Select RightNodeID from CMS_Relationship where LeftNodeID = {1} and RelationshipNameID in (Select RelationshipNameID from CMS_RelationshipName where RelationshipName = '{0}'))",
RelationshipName, CurrentNodeID)));
}
else
{
where = SqlHelper.AddWhereCondition(where,
string.Format("({0})",
string.Format("NodeID in (Select LeftNodeID from CMS_Relationship where RightNodeID = {1} and RelationshipNameID in (Select RelationshipNameID from CMS_RelationshipName where RelationshipName = '{0}'))",
RelationshipName, CurrentNodeID)));
}
where = SqlHelper.AddWhereCondition(where, string.Format("NodeID <> {0}", CurrentNodeID));
AlreadySelectedNodes = new DocumentQuery().Where(where).Columns("NodeID").Select(x => x.NodeID).ToList();
// Exclude the current node, can't relate a node to itself.
AlreadySelectedNodes.Add(CurrentNodeID);
// If the WhereCondition is set, also add any Nodes that match this to "Already selected" so they can't be selected
// Filter on the where condition if given
FilterSelectableNodes = false;
List <int> VisibleNodes = new List <int>();
if (!string.IsNullOrWhiteSpace(WhereCondition))
{
AdditionalWhere = SqlHelper.AddWhereCondition(AdditionalWhere, WhereCondition);
FilterSelectableNodes = true;
SelectableSelectedNodes.AddRange(new DocumentQuery().Where(AdditionalWhere).Columns("NodeID").Select(x => x.NodeID).ToList());
}
pageTree.Nodes.Clear();
TreeNode RootNode = new TreeNode("[Tree Root]", "0")
{
SelectAction = TreeNodeSelectAction.None
};
Dictionary <int, TreeNode> NodeIDToTreeNode = new Dictionary <int, TreeNode>();
NodeIDToTreeNode.Add(0, RootNode);
// Build the tree
for (int i = 0; i < Nodes.Count(); i++)
{
var Node = Nodes[i];
// Skip Root node
if (string.IsNullOrWhiteSpace(Node.NodeName))
{
continue;
}
TreeNode newNode = CreateTreeNode(Node);
if (!NodeIDToTreeNode.ContainsKey(Node.NodeID))
{
NodeIDToTreeNode.Add(Node.NodeID, newNode);
}
// Add to the parent if it exists, if it doesn't then add to root.
if (NodeIDToTreeNode.ContainsKey(Node.NodeParentID))
{
NodeIDToTreeNode[Node.NodeParentID].ChildNodes.Add(newNode);
}
else
{
NodeIDToTreeNode[0].ChildNodes.Add(newNode);
}
}
if (RemoveUnselectableChildTrees)
{
HideUnselectableChildren(RootNode);
}
// Add root
pageTree.Nodes.Add(RootNode);
if (SelectionMode == "Checkbox")
{
btnAdd.Visible = true;
}
else
{
btnAdd.Visible = false;
pageTree.SelectedNodeChanged += PageTree_SelectedNodeChanged;
}
}