/// <summary>
/// This method is called just once at the beginning when function
/// tool-tip is about to be displayed. It generates the necessary data
/// ready for queries by the function tool-tip control. This data stays
/// for as long as the tool-tip stays visible, user can go from one
/// function to the next with arrow keys, the function signature tool-
/// tip will highlight the corresponding argument, or be refreshed with
/// information of a new function (e.g. when user moves the cursor from
/// one function to the next in a nested function call). Due to this
/// reason, this method is not function-specific, it compiles the entire
/// source code.
/// </summary>
private bool GenerateCompletionDataForCallContext()
{
if (AutoCompletionHelper.IsHelperReset == false)
{
return(true); // There's no need to recompute.
}
int[] linesToExclude = new int[] { textCore.CursorPosition.Y };
ITextBuffer textBuffer = textCore.CurrentTextBuffer;
string partialContent = textBuffer.GetPartialContent(linesToExclude, " \n");
if (null == AutoCompletionHelper.MessageHandler)
{
AutoCompletionHelper.MessageHandler = new AutoCompleteMessageHandler(textEditorControl);
}
// Clear output stream messages before attempting another compilation.
AutoCompleteMessageHandler messageHandler = null;
messageHandler = AutoCompletionHelper.MessageHandler as AutoCompleteMessageHandler;
messageHandler.ClearMessages();
IScriptObject activeScript = Solution.Current.ActiveScript;
string filePath = activeScript.GetParsedScript().GetScriptPath();
if (string.IsNullOrEmpty(filePath))
{
filePath = null;
}
if (AutoCompletionHelper.Compile(partialContent, filePath) == false)
{
return(false);
}
messageHandler.DisplayPossibleErrors();
return(true);
}
/// <summary>
/// Method to retrieve AutoComplete list and bind it to visual element
/// </summary>
private void DoAutoComplete(string variable)
{
Logger.LogInfo("DoAutoComplete", variable);
EnsureAutoCompleteListCreated();
IScriptObject activeScript = Solution.Current.ActiveScript;
string filePath = activeScript.GetParsedScript().GetScriptPath();
if (filePath == string.Empty)
{
filePath = null;
}
int[] linesToExclude = new int[] { textCore.CursorPosition.Y };
ITextBuffer textBuffer = textCore.CurrentTextBuffer;
string partialContent = textBuffer.GetPartialContent(linesToExclude, " \n");
if (null == AutoCompletionHelper.MessageHandler)
{
AutoCompletionHelper.MessageHandler = new AutoCompleteMessageHandler(textEditorControl);
}
// Clear output stream messages before attempting another compilation.
AutoCompleteMessageHandler messageHandler = null;
messageHandler = AutoCompletionHelper.MessageHandler as AutoCompleteMessageHandler;
messageHandler.ClearMessages();
AutoCompletionHelper.SetSearchPaths(ExtensionFactory.GetSearchPaths());
// Method to contact IDECodeGen.dll to retrieve the list for AutoComplete items
List <KeyValuePair <AutoCompletionHelper.MemberType, string> > list =
AutoCompletionHelper.GetList(textCore.CursorPosition.Y,
textCore.CursorPosition.X, partialContent, variable, filePath);
messageHandler.DisplayPossibleErrors();
if (list.Count == 0)
{
return;
}
CharPosition position = activeScript.CreateCharPosition();
position.SetCharacterPosition(textCore.CursorPosition.X, textCore.CursorPosition.Y);
// Add each AutoComplete Item one at a time
Keyboard.Focus(textEditorCanvas);
autoCompleteList.ClearList();
autoCompleteList.AddItemsToList(list);
autoCompletePopup.Placement = PlacementMode.Custom;
autoCompletePopup.PlacementTarget = textEditorCanvas;
autoCompletePopup.CursorPosition = textCore.CursorPosition;
autoCompletePopup.IsOpen = true;
// The focus shift is important as the AutoCompleteList will
// be re-routing events back to the main control now.
autoCompleteList.DoFocusOnFirstItem();
autoCompletePopup.Width = autoCompleteList.Width;
autoCompletePopup.Height = autoCompleteList.Height;
}
