/// <summary>
/// Retrives contained language host. Typically called from text view connection listener.
/// </summary>
/// <param name="textView">Primary text view</param>
/// <param name="textBuffer">Contained language buffer</param>
/// <param name="services"></param>
/// <returns>Contained language host for this buffer and language, <seealso cref="IContainedLanguageHost"/></returns>
public static IContainedLanguageHost GetHost(ITextView textView, ITextBuffer textBuffer, IServiceContainer services)
{
var containedLanguageHost = TryGetHost(textBuffer);
if (containedLanguageHost == null)
{
var containedLanguageHostProvider =
ComponentLocatorForOrderedContentType <IContainedLanguageHostProvider> .
FindFirstOrderedComponent(services.GetService <ICompositionCatalog>(), textView.TextDataModel.DocumentBuffer.ContentType.TypeName);
containedLanguageHost = containedLanguageHostProvider?.GetContainedLanguageHost(textView.ToEditorView(), textBuffer.ToEditorBuffer());
}
return(containedLanguageHost);
}
/// <summary>
/// Retrives contained language host. Typically called from text view connection listener.
/// </summary>
/// <param name="textView">Primary text view</param>
/// <param name="textBuffer">Contained language buffer</param>
/// <param name="shell"></param>
/// <returns>Contained language host for this buffer and language, <seealso cref="IContainedLanguageHost"/></returns>
public static IContainedLanguageHost GetHost(ITextView textView, ITextBuffer textBuffer, ICoreShell shell)
{
IContainedLanguageHost containedLanguageHost = TryGetHost(textBuffer);
if (containedLanguageHost == null)
{
var containedLanguageHostProvider =
ComponentLocatorForOrderedContentType <IContainedLanguageHostProvider> .
FindFirstOrderedComponent(shell, textView.TextDataModel.DocumentBuffer.ContentType.TypeName);
if (containedLanguageHostProvider != null)
{
containedLanguageHost = containedLanguageHostProvider.GetContainedLanguageHost(textView, textBuffer);
}
}
return(containedLanguageHost);
}
public static ISettingsStorage GetSettings(ICompositionCatalog compositionCatalog, string contentTypeName)
{
ISettingsStorage settingsStorage = null;
lock (_settingsLock) {
if (_settingStorageMap.TryGetValue(contentTypeName, out settingsStorage))
{
return(settingsStorage);
}
// Need to find the settings using MEF (don't use MEF inside of other locks, that can lead to deadlock)
var contentTypeRegistry = compositionCatalog.ExportProvider.GetExportedValue <IContentTypeRegistryService>();
var contentType = contentTypeRegistry.GetContentType(contentTypeName);
Debug.Assert(contentType != null, "Cannot find content type object for " + contentTypeName);
settingsStorage = ComponentLocatorForOrderedContentType <IWritableSettingsStorage> .FindFirstOrderedComponent(compositionCatalog.CompositionService, contentType);
if (settingsStorage == null)
{
settingsStorage = ComponentLocatorForOrderedContentType <ISettingsStorage> .FindFirstOrderedComponent(compositionCatalog.CompositionService, contentType);
}
if (settingsStorage == null)
{
var storages = ComponentLocatorForContentType <IWritableSettingsStorage, IComponentContentTypes> .ImportMany(compositionCatalog.CompositionService, contentType);
if (storages.Any())
{
settingsStorage = storages.First().Value;
}
}
if (settingsStorage == null)
{
var readonlyStorages = ComponentLocatorForContentType <ISettingsStorage, IComponentContentTypes> .ImportMany(compositionCatalog.CompositionService, contentType);
if (readonlyStorages.Any())
{
settingsStorage = readonlyStorages.First().Value;
}
}
Debug.Assert(settingsStorage != null, String.Format(CultureInfo.CurrentCulture,
"Cannot find settings storage export for content type '{0}'", contentTypeName));
if (_settingStorageMap.ContainsKey(contentTypeName))
{
// some other thread came along and loaded settings already
settingsStorage = _settingStorageMap[contentTypeName];
}
else
{
_settingStorageMap[contentTypeName] = settingsStorage;
settingsStorage.LoadFromStorage();
}
}
return(settingsStorage);
}
