public void CmdPrepareData()
{
try
{
LocalData.MaxLevel = SourceList.Max(x => x.Level);
LocalData.MinLevel = SourceList.Min(x => x.Level);
LocalData.LevelsCount = LocalData.MaxLevel - LocalData.MinLevel + 1;
int k = 0;
foreach (TreeItem item in SourceList.OrderBy(x => x.SequenceNumber))
{
k++;
item.SequenceNumber = (double)k;
item.Level = item.Level - LocalData.MinLevel + 1;
item.IsLastItemInLevel = LocalTreeFunctions.CmdCheckIfItemIsLastInThisLevel(SourceList, item.ID);
item.IsVisible = true;
item.IsExpanded = true;
item.HasChildren = SourceList.Any(x => x.ParentID == item.ID);
}
}
catch (Exception ex)
{
LocalTreeFunctions.PrintError(ex.Message, MethodBase.GetCurrentMethod());
}
}
public void CmdDeleteSelected()
{
if (CurrentID > 0)
{
if (SourceList.Any(x => x.ID == CurrentID))
{
if (!SourceList.Any(x => x.ParentID == CurrentID))
{
SourceList.Remove(SourceList.Single(x => x.ID == CurrentID));
CurrentID = 0;
int k = 0;
foreach (TreeItem item in SourceList.OrderBy(x => x.SequenceNumber))
{
k++;
item.SequenceNumber = (double)k;
item.IsLastItemInLevel = LocalTreeFunctions.CmdCheckIfItemIsLastInThisLevel(SourceList, item.ID);
item.HasChildren = SourceList.Any(x => x.ParentID == item.ID);
}
}
else
{
jsRuntime.InvokeVoidAsync("alert", "Parent node can't be deleted!");
}
}
}
StateHasChanged();
}
public void CmdLoadData()
{
try
{
SourceList = SourceList.OrderBy(x => x.SequenceNumber).ToList();
CmdPrepareData();
}
catch (Exception ex)
{
LocalTreeFunctions.PrintError(ex.Message, MethodBase.GetCurrentMethod());
}
}
