public bool Update(IDataContext context, ActionPresentation presentation, DelegateUpdate nextUpdate)
{
// Better to check everything now and then work with valid data.
ITextControl textControl = context.GetData(TextControlDataConstants.TEXT_CONTROL);
if (textControl == null)
{
return(false);
}
if (textControl.IsReadOnly)
{
return(false);
}
if (textControl.Selection.IsDisjoint())
{
return(false);
}
IEquatableList <TextControlPosRange> equatableList = textControl.Selection.Ranges.Value;
if (equatableList.Count > 1)
{
return(false);
}
ISolution solution = context.GetData(ProjectModelDataConstants.SOLUTION);
if (solution == null)
{
return(false);
}
IPsiSourceFile psiSourceFile = textControl.Document.GetPsiSourceFile(solution);
if (psiSourceFile == null)
{
return(false);
}
if (!psiSourceFile.IsValid())
{
return(false);
}
TextRange textRange =
equatableList.Count == 1 ? equatableList[0].ToDocRangeNormalized() : new TextRange(textControl.Caret.Offset());
DocumentRange range = new DocumentRange(textControl.Document, textRange);
ICSharpFile psiFile = psiSourceFile.GetPsiFile <CSharpLanguage>(range) as ICSharpFile;
if (psiFile == null)
{
return(false);
}
if (!psiFile.IsValid())
{
return(false);
}
if (context.GetData(UIDataConstants.PopupWindowContextSource) == null)
{
return(false);
}
return(true);
}