public void CompleteCode()
{
int offset = TbxCode.TextArea.Caret.Offset;
string tokenLeftOfCaret = TbxCode.Document.GetIdentifierLeftOf(offset);
List <ICompletionData> completionData = new List <ICompletionData>();
EditorProviderDetails expectedProviderDetails = GetCompletionProviderDetails();
AddEnumEntries(expectedProviderDetails, completionData, tokenLeftOfCaret);
AddDndFunctionsStartingWith(expectedProviderDetails, completionData, tokenLeftOfCaret);
AddDndPropertiesStartingWith(expectedProviderDetails, completionData, tokenLeftOfCaret);
if (completionData.Count == 0)
{
return;
}
completionWindow = new CompletionWindow(TbxCode.TextArea);
IList <ICompletionData> data = completionWindow.CompletionList.CompletionData;
foreach (ICompletionData item in completionData)
{
data.Add(item);
}
ShowCompletionWindow();
}
void InvokeCodeCompletionIfNecessary(string lastKeyPressed)
{
if (lastKeyPressed == null)
{
return;
}
if (IsIdentifierKey(lastKeyPressed))
{
CompleteCode();
}
else if (lastKeyPressed.Length > 0)
{
EditorProviderDetails expectedProviderDetails = GetCompletionProviderDetails();
foreach (CompletionProvider completionProvider in completionProviders)
{
if (string.IsNullOrEmpty(expectedProviderDetails.Name) || completionProvider.ProviderName == expectedProviderDetails.Name)
{
if (completionProvider.ShouldComplete(TbxCode.TextArea, lastKeyPressed[0], expectedProviderDetails.Name))
{
completionWindow = completionProvider.Complete(TbxCode.TextArea);
break;
}
}
}
ShowCompletionWindow();
}
}
void AddDndPropertiesStartingWith(EditorProviderDetails expectedProviderDetails, List <ICompletionData> completionData, string tokenLeftOfCaret)
{
if (allKnownTokens == null)
{
GetAllKnownTokens();
}
foreach (PropertyCompletionInfo propertyCompletionInfo in allKnownTokens)
{
if (expectedProviderDetails.Type != null)
{
if (propertyCompletionInfo.Type.HasFlag(ExpressionType.@enum) && propertyCompletionInfo.EnumTypeName != expectedProviderDetails.Type.Name)
{
continue;
}
if (!TypeHelper.Matches(propertyCompletionInfo.Type, expectedProviderDetails.Type))
{
continue;
}
}
if (string.IsNullOrWhiteSpace(tokenLeftOfCaret) || propertyCompletionInfo.Name.ToLower().StartsWith(tokenLeftOfCaret))
{
completionData.Add(new IdentifierCompletionData(propertyCompletionInfo.Name, propertyCompletionInfo.Description));
}
}
}
List <string> GetEnumEntries(EditorProviderDetails expectedProviderDetails)
{
List <string> enumEntries = new List <string>();
if (expectedProviderDetails.Type != null && expectedProviderDetails.Type.IsEnum)
{
foreach (object enumElement in expectedProviderDetails.Type.GetEnumValues())
{
enumEntries.Add(enumElement.ToString());
}
}
return(enumEntries);
}
void AddDndFunctionsStartingWith(EditorProviderDetails expectedProviderDetails, List <ICompletionData> completionData, string tokenLeftOfCaret)
{
List <DndFunction> dndFunctions = GetDndFunctionsStartingWith(expectedProviderDetails, tokenLeftOfCaret);
if (dndFunctions == null)
{
return;
}
foreach (DndFunction dndFunction in dndFunctions)
{
if (!string.IsNullOrWhiteSpace(dndFunction.Name))
{
completionData.Add(new FunctionCompletionData(dndFunction));
}
}
}
void AddEnumEntries(EditorProviderDetails expectedProviderDetails, List <ICompletionData> completionData, string tokenLeftOfCaret)
{
List <string> enumEntries = GetEnumEntries(expectedProviderDetails);
if (enumEntries != null)
{
foreach (string enumEntry in enumEntries)
{
if (!string.IsNullOrWhiteSpace(enumEntry))
{
if (string.IsNullOrWhiteSpace(tokenLeftOfCaret) || enumEntry.ToLower().StartsWith(tokenLeftOfCaret))
{
completionData.Add(new IdentifierCompletionData(enumEntry, $"{expectedProviderDetails.Type.Name}.{enumEntry}"));
}
}
}
}
}
List <DndFunction> GetDndFunctionsStartingWith(EditorProviderDetails expectedProviderDetails, string tokenLeftOfCaret)
{
List <DndFunction> dndFunctions = Expressions.GetFunctionsStartingWith(tokenLeftOfCaret);
if (expectedProviderDetails.Type == null)
{
return(dndFunctions);
}
List <DndFunction> filteredFunctions = new List <DndFunction>();
foreach (DndFunction dndFunction in dndFunctions)
{
ReturnTypeAttribute returnType = dndFunction.GetType().GetCustomAttribute <ReturnTypeAttribute>();
if (returnType != null && returnType.Matches(expectedProviderDetails.Type))
{
filteredFunctions.Add(dndFunction);
}
}
return(filteredFunctions);
}
EditorProviderDetails GetCompletionProviderDetails()
{
EditorProviderDetails result = new EditorProviderDetails();
DndFunction dndFunction = GetActiveDndFunction(TbxCode.TextArea);
if (dndFunction != null)
{
result.ActiveMethodCall = dndFunction.Name;
IEnumerable <ParamAttribute> customAttributes = dndFunction.GetType().GetCustomAttributes(typeof(ParamAttribute)).Cast <ParamAttribute>().ToList();
if (customAttributes != null)
{
int parameterNumber = TbxCode.Document.GetParameterNumberAtPosition(TbxCode.CaretOffset);
ParamAttribute paramAttribute = customAttributes.FirstOrDefault(x => x.Index == parameterNumber);
if (paramAttribute != null)
{
result.Name = paramAttribute.Editor;
result.Type = paramAttribute.Type;
}
}
}
return(result);
}
