/// <summary>
/// Try to retreive a default classification for <paramref name="name"/> if it isn't <see cref="PredefinedClassificationTypeNames.Identifier"/>
/// </summary>
public static bool TryGetDefaultNonIdentifierClassification(string name, out IClassificationType classification)
{
if (NonIdentifierClassifications.TryGetValue(name, out var classificationName))
{
classification = ServicesProvider.Instance.RegistryService.GetClassificationType(classificationName);
return(!(classification is null));
}
classification = null;
return(false);
}
/// <returns>
/// Classifications are grouped by language
/// </returns>
public static IReadOnlyDictionary <string, ICollection <IClassificationType> > GetClassifications()
{
if (_classifications != null)
{
return(_classifications);
}
_classifications = new Dictionary <string, ICollection <IClassificationType> >();
var registryService = ServicesProvider.Instance.RegistryService;
var formatMapService = ServicesProvider.Instance.FormatMapService;
var formatMap = formatMapService.GetClassificationFormatMap(category: "text");
var identifierPosition = GetClassificationPosition(registryService, formatMap, PredefinedClassificationTypeNames.Identifier);
formatMap.BeginBatchUpdate();
foreach (var(language, names) in Names.All)
{
var languageClassifications = new List <IClassificationType>();
foreach (var name in names)
{
var classificationPosition = identifierPosition;
if (NonIdentifierClassifications.TryGetValue(name, out var relevantClassification))
{
classificationPosition = GetClassificationPosition(registryService, formatMap, relevantClassification);
}
var classificationType = registryService.GetClassificationType(name);
if (classificationType != null)
{
// TODO: need to carefully test this case
if (classificationPosition > 0)
{
// NOTE: Set priority of classification next to the relevant classification
SetPriority(formatMap, classificationType, classificationPosition);
}
}
else
{
classificationType = registryService.CreateClassificationType(name, new IClassificationType[0]);
var formatting = TextFormattingRunProperties.CreateTextFormattingRunProperties();
if (classificationPosition > 0)
{
// NOTE: Set priority of classification next to the relevant classification
var afterClassification = formatMap.CurrentPriorityOrder[classificationPosition + 1];
formatMap.AddExplicitTextProperties(classificationType, formatting, afterClassification);
}
else
{
// NOTE: Set the last priority
formatMap.AddExplicitTextProperties(classificationType, formatting);
}
}
languageClassifications.Add(classificationType);
}
_classifications.Add(language, languageClassifications);
}
formatMap.EndBatchUpdate();
return(_classifications);
}
