//=====================================================================
/// <summary>
/// Get the configuration settings for the specified buffer
/// </summary>
/// <param name="buffer">The buffer for which to get the configuration settings</param>
/// <returns>The spell checker configuration settings for the buffer or null if one is not provided or
/// is disabled for the given buffer.</returns>
public SpellCheckerConfiguration GetConfiguration(ITextBuffer buffer)
{
SpellCheckerConfiguration config = null;
bool isDisabled = false;
// If not given a buffer or already checked for and found to be disabled, don't go any further
if (buffer != null && !buffer.Properties.TryGetProperty(SpellCheckerDisabledKey, out isDisabled) &&
!buffer.Properties.TryGetProperty(typeof(SpellCheckerConfiguration), out config))
{
// Generate the configuration settings unique to the file
config = this.GenerateConfiguration(buffer);
if (!config.SpellCheckAsYouType || config.IsExcludedByExtension(buffer.GetFilenameExtension()))
{
// Mark it as disabled so that we don't have to check again
buffer.Properties[SpellCheckerDisabledKey] = true;
config = null;
}
else
{
buffer.Properties[typeof(SpellCheckerConfiguration)] = config;
}
}
return(config);
}
//=====================================================================
/// <summary>
/// Creates a tag provider for the specified view and buffer
/// </summary>
/// <typeparam name="T">The tag type</typeparam>
/// <param name="textView">The text view</param>
/// <param name="buffer">The text buffer</param>
/// <returns>The tag provider for the specified view and buffer or null if the buffer does not match the
/// one in the view or spell checking as you type is disabled.</returns>
public ITagger <T> CreateTagger <T>(ITextView textView, ITextBuffer buffer) where T : ITag
{
SpellingTagger spellingTagger;
// Make sure we only tagging top buffer and only if wanted
if (textView.TextBuffer != buffer || !SpellCheckerConfiguration.SpellCheckAsYouType ||
SpellCheckerConfiguration.IsExcludedByExtension(buffer.GetFilenameExtension()))
{
return(null);
}
if (textView.Properties.TryGetProperty(typeof(SpellingTagger), out spellingTagger))
{
return(spellingTagger as ITagger <T>);
}
var dictionary = spellingDictionaryFactory.GetDictionary(buffer);
if (dictionary == null)
{
return(null);
}
var naturalTextAggregator = aggregatorFactory.CreateTagAggregator <INaturalTextTag>(textView,
TagAggregatorOptions.MapByContentType);
var urlAggregator = aggregatorFactory.CreateTagAggregator <IUrlTag>(textView);
spellingTagger = new SpellingTagger(buffer, textView, naturalTextAggregator, urlAggregator, dictionary);
textView.Properties[typeof(SpellingTagger)] = spellingTagger;
return(spellingTagger as ITagger <T>);
}