private void AddExistingDefinitionsAndSuggestions(List <WritingSystemTreeItem> items)
{
var x = new List <WritingSystemDefinition>(_setupModel.WritingSystemDefinitions);
IEnumerable <IGrouping <string, WritingSystemDefinition> > systemsOfSameLanguage = x.GroupBy(def => def.Language.Name);
foreach (IGrouping <string, WritingSystemDefinition> defsOfSameLanguage in systemsOfSameLanguage)
{
WritingSystemTreeItem parent;
WritingSystemDefinition itemToUseForSuggestions;
if (OneWritingSystemIsASuitableParent(defsOfSameLanguage))
{
var primaryDefinition = ChooseMainDefinitionOfLanguage(defsOfSameLanguage);
parent = MakeExistingDefinitionItem(primaryDefinition);
parent.Children = new List <WritingSystemTreeItem>(from def in defsOfSameLanguage
where def != primaryDefinition
select MakeExistingDefinitionItem(def));
itemToUseForSuggestions = primaryDefinition;
}
else
{
parent = new GroupTreeItem(defsOfSameLanguage.First().Language.Name);
parent.Children = new List <WritingSystemTreeItem>(from def in defsOfSameLanguage
select MakeExistingDefinitionItem(def));
itemToUseForSuggestions = defsOfSameLanguage.First(); //unprincipled
}
if (Suggestor != null)
{
foreach (
IWritingSystemDefinitionSuggestion suggestion in
Suggestor.GetSuggestions(itemToUseForSuggestions, defsOfSameLanguage))
{
var treeItem = new WritingSystemCreationTreeItem(suggestion, OnClickAddCertainDefinition);
parent.Children.Add(treeItem);
}
}
if (itemToUseForSuggestions.Language == "qaa")
{
var treeItem = new WritingSystemRenameUnlistedLanguageTreeItem(item => _setupModel.RenameIsoCode(itemToUseForSuggestions));
parent.Children.Add(treeItem);
}
items.Add(parent);
}
}