void AddTree(Session session)
{
var parent = new TableWithHierarchy(session);
parent.Val = "Root";
parent.Save();
for (var i = 1; i <= MaxRecordCount; ++i)
{
var child = new TableWithHierarchy(session);
child.Parent = parent;
child.Val = $"{i}";
child.MaterializedPath = $"/{i}";
child.Save();
for (var j = 1; j <= MaxRecordCount; ++j)
{
var childChild = new TableWithHierarchy(session);
childChild.Parent = child;
childChild.Val = $"{i}.{j}";
childChild.MaterializedPath = $"/{i}/{j}";
childChild.Save();
}
}
}
private void TreeListFocusedNodeChanged(object sender, DevExpress.XtraTreeList.FocusedNodeChangedEventArgs e)
{
System.Diagnostics.Debug.WriteLine("TreeListFocusedNodeChanged");
TableWithHierarchy
oldRecord = treeList.GetDataRecordByNode(e.OldNode) as TableWithHierarchy,
record = treeList.GetDataRecordByNode(e.Node) as TableWithHierarchy;
System.Diagnostics.Debug.WriteLine($"oldId = {oldRecord?.Id.ToString() ?? "NULL"} -> Id = {record?.Id.ToString() ?? "NULL"}");
}
private bool IsAllSelected(TreeList tree)
{
/* return tree.Selection.Count > 0 && tree.Selection.Count == tree.AllNodesCount; */
var result = /*return*/ tree.Nodes /*.Where(node => node.Visible)*/.Aggregate(true, (selected, next) =>
{
TableWithHierarchy record = tree.GetDataRecordByNode(next) as TableWithHierarchy;
System.Diagnostics.Debug.WriteLine(string.Format("Id = {0} node.Focused = {1}", record != null ? record.Id.ToString() : "null", next.Focused));
return(selected && record != null && record.Selected);
});
return(result);
}
private void BtnGetSelectedClick(object sender, System.EventArgs e)
{
foreach (TreeListNode node in treeList.Selection)
{
TableWithHierarchy record = treeList.GetDataRecordByNode(node) as TableWithHierarchy;
Debug.WriteLine($"Id = {record?.Id.ToString() ?? "NULL"}");
if (treeList.Selection.Contains(node))
{
Debug.WriteLine($"treeList.Selection.Contains({node})");
}
if (treeList.Selection.Contains(node, new TreeListNodeEqualityComparer()))
{
Debug.WriteLine($"treeList.Selection.Contains({node})");
}
}
}
