public void CompileTemplates()
{
HashSet <string> templateNames = new HashSet <string>();
try
{
stg = new TemplateGroupString(Template);
AccumulatingTemplateErrorListener listener = new AccumulatingTemplateErrorListener();
RenderError = "";
listener.PropertyChanged += (s, e) => RenderError = listener.Error;
stg.ErrorManager = new Antlr4.StringTemplate.Misc.ErrorManager(listener);
templateNames = stg.GetTemplateNames();
StatusTemplate = "Template(s) compiled";
}
catch (Exception e)
{
StatusTemplate = $"Error compiling template ({e.Message})";
}
// update templates list
foreach (var t in templateNames)
{
if (Templates.Count(tp => tp.Name == t) == 0)
{
Templates.Add(new TemplateListItem()
{
Name = t
});
}
}
// .ToList() forces enumeration before templates are removed, as to not change a collection being enumerated over
foreach (var tp in Templates.Where(tp => tp.Deleted).ToList())
{
Templates.Remove(tp);
}
foreach (var tp in Templates.Where(tp => !templateNames.Contains(tp.Name)))
{
tp.Deleted = true;
}
// if no or invalid selection, select the first valid template if it exists
if (TemplateSelected == null || TemplateSelected.Deleted)
{
TemplateSelected = Templates.FirstOrDefault(t => !t.Deleted);
}
}
public bool CanCreateFromTemplate()
{
return(Templates != null && Templates.Count(r => r.IsSelected) == 1 && Transaction.Amount != 0);
}
