private void InitData()
{
try
{
TreeNode1 topNode = new TreeNode1(null, $"Top", null);
topNode.NumDescendantEquations = 0;
SelectedTreeLevels.Clear();
CurrentlySelectedTreeLevel = new SelectedTreeLevel1(null, topNode, "");
SelectedTreeLevels.Add(CurrentlySelectedTreeLevel);
// Recursively build the tree information from the libraries
foreach (var eqbLib in _vmEquations.EquationLibraries)
{
TreeNode1 libTn = new TreeNode1(topNode, eqbLib.Name, null);
libTn.NumDescendantEquations = 0;
foreach (var sn in eqbLib.TopSectionNodes)
{
TreeNode1 tn = new TreeNode1(libTn, sn.Name, sn);
AddChildNodes(sn, tn);
libTn.NumDescendantEquations += tn.NumDescendantEquations;
}
topNode.NumDescendantEquations += libTn.NumDescendantEquations;
}
}
catch (Exception ex)
{
Logging.LogException(ex);
throw;
}
}
private void lstTreeLevels_ItemTap(object sender, ItemTappedEventArgs e)
{
try
{
SelectedTreeLevel1 selectedTreeLevel = e.Item as SelectedTreeLevel1;
ChangeSelectTreeLevel(selectedTreeLevel);
}
catch (Exception ex)
{
Logging.LogException(ex);
throw;
}
}
private void Level_Clicked(object sender, EventArgs e)
{
try
{
Button btn = sender as Button;
SelectedTreeLevel1 selectedTreeLevel = btn.BindingContext as SelectedTreeLevel1;
ChangeSelectTreeLevel(selectedTreeLevel);
}
catch (Exception ex)
{
Logging.LogException(ex);
throw;
}
}
public void SelectTreeLevel(SelectedTreeLevel1 selectedTreeLevel)
{
try
{
CurrentlySelectedTreeLevel = selectedTreeLevel;
CurrentEquationCalc = null;
OnPropertyChanged("CurrentEquationCalc");
if (CurrentlySelectedTreeLevel == null)
{
throw new UnspecifiedException("CurrentlySelectedTreeLevel should not be null");
}
_selectedLevelChildren.Clear();
_selectedLevelSelectedChild = null;
IList <string> itemsToShow = new List <string>();
IDictionary <string, string> itemsToReturn = new Dictionary <string, string>();
foreach (var node in CurrentlySelectedTreeLevel?.TreeNode?.ChildTreeNodes)
{
string itemToShow = node.Name + $" ({node.NumDescendantEquations} equations)";
itemsToShow.Add(itemToShow);
itemsToReturn.Add(itemToShow, node.Name);
_selectedLevelChildren.Add(node.Name, node);
}
if (itemsToShow.Count != 0)
{
_vmEquations.EquationsUiService.SelectStringFromList(itemsToShow,
(s) => { SelectedLevelSelectedChildName = itemsToReturn[s]; return(true); });
}
}
catch (Exception ex)
{
Logging.LogException(ex);
throw;
}
}
private void RefreshSelectedTreeLevels(TreeNode1 lastTnToKeep)
{
try
{
int lastGoodItem = 0;
for (int i = 0; i < SelectedTreeLevels.Count; i++)
{
if (SelectedTreeLevels[i]?.SelectedChildNode == lastTnToKeep)
{
lastGoodItem = i;
break;
}
}
int j = SelectedTreeLevels.Count - 1;
while (j > lastGoodItem)
{
SelectedTreeLevels.RemoveAt(j);
j--;
}
// Add the selection point at the end
SelectedTreeLevel1 lastSelectedTreeLevel = SelectedTreeLevels[SelectedTreeLevels.Count - 1];
if (lastSelectedTreeLevel?.SelectedChildNode?.ChildTreeNodes?.Count > 0)
{
SelectedTreeLevel1 newSelectedTreeLevel = new SelectedTreeLevel1(lastSelectedTreeLevel, lastSelectedTreeLevel.SelectedChildNode, lastSelectedTreeLevel.Indent + " ");
SelectedTreeLevels.Add(newSelectedTreeLevel);
}
else
{
SelectEquation.Execute(null);
}
}
catch (Exception ex)
{
Logging.LogException(ex);
throw;
}
}
private void ChangeSelectTreeLevel(SelectedTreeLevel1 selectedTreeLevel)
{
_vmBrowseEquation.SelectTreeLevel(selectedTreeLevel);
}
public SelectedTreeLevel1(SelectedTreeLevel1 parent, TreeNode1 treeNode, string indent)
{
Parent = parent;
TreeNode = treeNode;
Indent = indent;
}