private void RefreshSelectedTreeLevels()
{
try
{
int lastGoodItem = 0;
TreeNode selectedChildNode = SelectedTreeLevels[0].SelectedChildNode;
for (int i = 1; i < SelectedTreeLevels.Count; i++)
{
if ((selectedChildNode == null) || (SelectedTreeLevels[i].TreeNode != selectedChildNode))
{
break; // This selection, and all those below is no longer consistent with the selections above
}
lastGoodItem = i;
selectedChildNode = SelectedTreeLevels[i].SelectedChildNode;
}
int j = SelectedTreeLevels.Count - 1;
while (j > lastGoodItem)
{
SelectedTreeLevels.RemoveAt(j);
j--;
}
// Add the selection point at the end
SelectedTreeLevel lastSelectedTreeLevel = SelectedTreeLevels[SelectedTreeLevels.Count - 1];
SelectedTreeLevels.Add(new SelectedTreeLevel(lastSelectedTreeLevel, lastSelectedTreeLevel.SelectedChildNode));
}
catch (Exception ex)
{
Logging.LogException(ex);
throw;
}
}
public SelectedTreeLevel(SelectedTreeLevel parent, TreeNode treeNode)
{
Parent = parent;
TreeNode = treeNode;
//foreach (var item in treeNode.ChildTreeNodes)
//{
// ChildNames.Add(item.Name);
// junkChildNames.Add(item.Name);
//}
}
private void lstTreeLevels_ItemTap(object sender, ItemTappedEventArgs e)
{
try
{
SelectedTreeLevel selectedTreeLevel = e.Item as SelectedTreeLevel;
SelectTreeLevel(selectedTreeLevel);
}
catch (Exception ex)
{
Logging.LogException(ex);
throw;
}
}
private void Item_Clicked(object sender, EventArgs e)
{
try
{
Button btn = sender as Button;
SelectedTreeLevel selectedTreeLevel = btn?.BindingContext as SelectedTreeLevel;
SelectTreeLevel(selectedTreeLevel);
}
catch (Exception ex)
{
Logging.LogException(ex);
throw;
}
}
private void SelectTreeLevel(SelectedTreeLevel selectedTreeLevel)
{
try
{
CurrentlySelectedTreeLevel = selectedTreeLevel;
CurrentEquationCalc = null;
OnPropertyChanged("CurrentEquationCalc");
if (CurrentlySelectedTreeLevel == null)
{
throw new UnspecifiedException("CurrentlySelectedTreeLevel should not be null");
}
SelectedLevelChildNames.Clear();
_selectedLevelChildren.Clear();
_selectedLevelSelectedChild = null;
foreach (var node in CurrentlySelectedTreeLevel?.TreeNode?.ChildTreeNodes)
{
SelectedLevelChildNames.Add(node.Name);
_selectedLevelChildren.Add(node.Name, node);
}
//picker.IsOpen = true;
lstTreeLevels.IsVisible = false;
equationDisplay.IsVisible = lstTreeLevels.IsVisible;
if (SelectedLevelChildNames.Count == 0)
{
lstLevels.IsVisible = false;
lstEquations.IsVisible = true;
}
else
{
lstLevels.IsVisible = true;
lstEquations.IsVisible = false;
}
}
catch (Exception ex)
{
Logging.LogException(ex);
throw;
}
}
