private void OnMappingsChanged(object sender, MappingsChangedEventArgs e)
{
if (e.Mappings.Count > 0)
{
_languageBuffer.MappingsChanged -= OnMappingsChanged;
IContainedLanguageHost host = ContainedLanguageHost.GetHost(TextView, _languageBuffer.IProjectionBuffer);
host.SetContainedCommandTarget(TextView, ContainedLanguageTarget);
ContainedLanguageTarget = null;
TextView = null;
_languageBuffer = null;
}
}
protected override void OnTextViewConnected(ITextView textView, ITextBuffer textBuffer) {
RMainController.Attach(textView, textBuffer, Shell);
if (textBuffer != textView.TextBuffer) {
// Projected scenario
_containedLanguageHost = ContainedLanguageHost.GetHost(textView, textBuffer, Shell);
if (_containedLanguageHost != null) {
_containedLanguageHost.Closing += OnContainedLanguageHostClosing;
_textBuffer = textBuffer;
var mainController = RMainController.FromTextView(textView);
var nextTarget = _containedLanguageHost.SetContainedCommandTarget(textView, mainController);
// Convert chained target to ICommandTarget (chained target might be IOleCommandTarget and host will create a shim then).
mainController.ChainedController = nextTarget;
}
}
base.OnTextViewConnected(textView, textBuffer);
}
/// <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);
}
protected override void OnTextViewConnected(ITextView textView, ITextBuffer textBuffer)
{
var mainController = RMainController.Attach(textView, textBuffer, Services);
if (textBuffer != textView.TextBuffer)
{
// Projected scenario
_containedLanguageHost = textBuffer.GetService <IContainedLanguageHost>();
if (_containedLanguageHost != null)
{
_containedLanguageHost.Closing += OnContainedLanguageHostClosing;
_textBuffer = textBuffer;
var nextTarget = _containedLanguageHost.SetContainedCommandTarget(textView.ToEditorView(), mainController);
// Convert chained target to ICommandTarget (chained target might be IOleCommandTarget and host will create a shim then).
mainController.ChainedController = nextTarget;
}
}
base.OnTextViewConnected(textView, textBuffer);
}
public ExpressionTermFilter(IContainedLanguageHost clh)
{
_clh = clh;
}
public ExpressionTermFilter(IContainedLanguageHost clh) {
_clh = clh;
}
