Exemplo n.º 1
0
        public CodeCompletionResult GetCompletions(IDocument document, int offset, bool controlSpace, string usings)
        {
            var result = new CodeCompletionResult();

            if (String.IsNullOrEmpty(document.FileName))
            {
                return(result);
            }

            var completionContext = new CSharpCompletionContext(document, offset, projectContent, usings);

            var completionFactory = new CSharpCompletionDataFactory(completionContext.TypeResolveContextAtCaret, completionContext);
            var cce = new CSharpCompletionEngine(
                completionContext.Document,
                completionContext.CompletionContextProvider,
                completionFactory,
                completionContext.ProjectContent,
                completionContext.TypeResolveContextAtCaret
                );

            cce.EolMarker        = Environment.NewLine;
            cce.FormattingPolicy = FormattingOptionsFactory.CreateSharpDevelop();


            var completionChar = completionContext.Document.GetCharAt(completionContext.Offset - 1);
            int startPos, triggerWordLength;
            IEnumerable <ICSharpCode.NRefactory.Completion.ICompletionData> completionData;

            if (controlSpace)
            {
                if (!cce.TryGetCompletionWord(completionContext.Offset, out startPos, out triggerWordLength))
                {
                    startPos          = completionContext.Offset;
                    triggerWordLength = 0;
                }
                completionData = cce.GetCompletionData(startPos, true);
                //this outputs tons of available entities
                //if (triggerWordLength == 0)
                //    completionData = completionData.Concat(cce.GetImportCompletionData(startPos));
            }
            else
            {
                startPos = completionContext.Offset;

                if (char.IsLetterOrDigit(completionChar) || completionChar == '_')
                {
                    if (startPos > 1 && char.IsLetterOrDigit(completionContext.Document.GetCharAt(startPos - 2)))
                    {
                        return(result);
                    }
                    completionData = cce.GetCompletionData(startPos, false);
                    startPos--;
                    triggerWordLength = 1;
                }
                else
                {
                    completionData    = cce.GetCompletionData(startPos, false);
                    triggerWordLength = 0;
                }
            }

            result.TriggerWordLength = triggerWordLength;
            result.TriggerWord       = completionContext.Document.GetText(completionContext.Offset - triggerWordLength, triggerWordLength);
            Debug.Print("Trigger word: '{0}'", result.TriggerWord);

            //cast to AvalonEdit completion data and add to results
            foreach (var completion in completionData)
            {
                var cshellCompletionData = completion as CompletionData;
                if (cshellCompletionData != null)
                {
                    cshellCompletionData.TriggerWord       = result.TriggerWord;
                    cshellCompletionData.TriggerWordLength = result.TriggerWordLength;
                    result.CompletionData.Add(cshellCompletionData);
                }
            }

            //method completions
            if (!controlSpace)
            {
                // Method Insight
                var pce = new CSharpParameterCompletionEngine(
                    completionContext.Document,
                    completionContext.CompletionContextProvider,
                    completionFactory,
                    completionContext.ProjectContent,
                    completionContext.TypeResolveContextAtCaret
                    );

                var parameterDataProvider = pce.GetParameterDataProvider(completionContext.Offset, completionChar);
                result.OverloadProvider = parameterDataProvider as IOverloadProvider;
            }

            return(result);
        }
Exemplo n.º 2
0
        private void ShowCompletion(string enteredText, bool controlSpace)
        {
            if (!controlSpace)
            {
                Debug.WriteLine("Code Completion: TextEntered: " + enteredText);
            }
            else
            {
                Debug.WriteLine("Code Completion: Ctrl+Space");
            }

            //only process csharp files and if there is a code completion engine available
            if (String.IsNullOrEmpty(FileName))
            {
                Debug.WriteLine("No document file name, cannot run code completion");
                return;
            }


            if (Completion == null)
            {
                Debug.WriteLine("Code completion is null, cannot run code completion");
                return;
            }

            var fileExtension = Path.GetExtension(FileName);

            fileExtension = fileExtension != null?fileExtension.ToLower() : null;

            //check file extension to be a c# file (.cs, .csx, etc.)
            if (fileExtension == null || (!fileExtension.StartsWith(".cs")))
            {
                Debug.WriteLine("Wrong file extension, cannot run code completion");
                return;
            }

            if (completionWindow == null)
            {
                CodeCompletionResult results = null;
                try
                {
                    var offset = 0;
                    var doc    = GetCompletionDocument(out offset);
                    results = Completion.GetCompletions(doc, offset, controlSpace);
                }
                catch (Exception exception)
                {
                    Debug.WriteLine("Error in getting completion: " + exception);
                }
                if (results == null)
                {
                    return;
                }

                if (insightWindow == null && results.OverloadProvider != null)
                {
                    insightWindow          = new OverloadInsightWindow(TextArea);
                    insightWindow.Provider = results.OverloadProvider;
                    insightWindow.Show();
                    insightWindow.Closed += (o, args) => insightWindow = null;
                    return;
                }

                if (completionWindow == null && results != null && results.CompletionData.Any())
                {
                    // Open code completion after the user has pressed dot:
                    completionWindow = new CompletionWindow(TextArea);
                    completionWindow.CloseWhenCaretAtBeginning = controlSpace;
                    completionWindow.StartOffset -= results.TriggerWordLength;
                    //completionWindow.EndOffset -= results.TriggerWordLength;

                    IList <ICompletionData> data = completionWindow.CompletionList.CompletionData;
                    foreach (var completion in results.CompletionData.OrderBy(item => item.Text))
                    {
                        data.Add(completion);
                    }
                    if (results.TriggerWordLength > 0)
                    {
                        //completionWindow.CompletionList.IsFiltering = false;
                        completionWindow.CompletionList.SelectItem(results.TriggerWord);
                    }
                    completionWindow.Show();
                    completionWindow.Closed += (o, args) => completionWindow = null;
                }
            }//end if


            //update the insight window
            if (!string.IsNullOrEmpty(enteredText) && insightWindow != null)
            {
                //whenver text is entered update the provider
                var provider = insightWindow.Provider as CSharpOverloadProvider;
                if (provider != null)
                {
                    //since the text has not been added yet we need to tread it as if the char has already been inserted
                    var offset = 0;
                    var doc    = GetCompletionDocument(out offset);
                    provider.Update(doc, offset);
                    //if the windows is requested to be closed we do it here
                    if (provider.RequestClose)
                    {
                        insightWindow.Close();
                        insightWindow = null;
                    }
                }
            }
        }//end method
Exemplo n.º 3
0
        public CodeCompletionResult GetCompletions(IDocument document, int offset, bool controlSpace, string usings)
        {
            var result = new CodeCompletionResult();

            if (String.IsNullOrEmpty(document.FileName))
                return result;

            var completionContext = new CSharpCompletionContext(document, offset, projectContent, usings);

            var completionFactory = new CSharpCompletionDataFactory(completionContext.TypeResolveContextAtCaret, completionContext);
            var cce = new CSharpCompletionEngine(
                completionContext.Document,
                completionContext.CompletionContextProvider,
                completionFactory,
                completionContext.ProjectContent,
                completionContext.TypeResolveContextAtCaret
                );

            cce.EolMarker = Environment.NewLine;
            cce.FormattingPolicy = FormattingOptionsFactory.CreateSharpDevelop();


            var completionChar = completionContext.Document.GetCharAt(completionContext.Offset - 1);
            int startPos, triggerWordLength;
            IEnumerable<ICSharpCode.NRefactory.Completion.ICompletionData> completionData;
            if (controlSpace)
            {
                if (!cce.TryGetCompletionWord(completionContext.Offset, out startPos, out triggerWordLength))
                {
                    startPos = completionContext.Offset;
                    triggerWordLength = 0;
                }
                completionData = cce.GetCompletionData(startPos, true);
                //this outputs tons of available entities
                //if (triggerWordLength == 0)
                //    completionData = completionData.Concat(cce.GetImportCompletionData(startPos));
            }
            else
            {
                startPos = completionContext.Offset;

                if (char.IsLetterOrDigit(completionChar) || completionChar == '_')
                {
                    if (startPos > 1 && char.IsLetterOrDigit(completionContext.Document.GetCharAt(startPos - 2)))
                        return result;
                    completionData = cce.GetCompletionData(startPos, false);
                    startPos--;
                    triggerWordLength = 1;
                }
                else
                {
                    completionData = cce.GetCompletionData(startPos, false);
                    triggerWordLength = 0;
                }
            }

            result.TriggerWordLength = triggerWordLength;
            result.TriggerWord = completionContext.Document.GetText(completionContext.Offset - triggerWordLength, triggerWordLength);
            Debug.Print("Trigger word: '{0}'", result.TriggerWord);

            //cast to AvalonEdit completion data and add to results
            foreach (var completion in completionData)
            {
                var cshellCompletionData = completion as CompletionData;
                if (cshellCompletionData != null)
                {
                    cshellCompletionData.TriggerWord = result.TriggerWord;
                    cshellCompletionData.TriggerWordLength = result.TriggerWordLength;
                    result.CompletionData.Add(cshellCompletionData);
                }
            }

            //method completions
            if (!controlSpace)
            {
                // Method Insight
                var pce = new CSharpParameterCompletionEngine(
                    completionContext.Document,
                    completionContext.CompletionContextProvider,
                    completionFactory,
                    completionContext.ProjectContent,
                    completionContext.TypeResolveContextAtCaret
                );

                var parameterDataProvider = pce.GetParameterDataProvider(completionContext.Offset, completionChar);
                result.OverloadProvider = parameterDataProvider as IOverloadProvider;
            }

            return result;
        }