private void OnTokenTextChanged(object sender, TextChangedEventArgs e)
{
var text = CaretPosition.GetTextInRun(LogicalDirection.Backward);
if (TokenMatcher != null)
{
var token = TokenMatcher(text);
if (token != null)
{
ReplaceTextWithToken(text, token);
}
if (CaretPosition.Paragraph != null)
{
_preventCallback = true;
Text = string.Join(Splitter.ToString(), CaretPosition.Paragraph.Inlines.Where(x => x is InlineUIContainer).Cast
<InlineUIContainer>().Select(
x =>
{
var contentPresenter = x.Child as ContentPresenter;
return(contentPresenter != null ? contentPresenter.Content.ToString() : null);
}).ToArray());
_preventCallback = false;
}
}
}
/// <summary>
/// determine last word typed in. Looks for list word until reaches space ' ', or any of the characters: '{', '}', '(', ')', '='
/// </summary>
/// <returns></returns>
private string GetLastWord()
{
//Get the last word in the text from current Caret position
string txtBefore = CaretPosition.GetTextInRun(LogicalDirection.Backward);
string txtAfter = CaretPosition.GetTextInRun(LogicalDirection.Forward);
string[] tokens = txtBefore.Split(SplitTokens);
string[] tokensAfter = txtAfter.Split(SplitTokens);
string lastToken = tokens[tokens.Length - 1];
if (tokensAfter.Length > 0 && string.IsNullOrWhiteSpace(tokensAfter[0]) == false)
{
lastToken = lastToken + tokensAfter[0];
}
// Make sure that the previous character isn't whitespace - eg. we haven't moved past the last word.
if (txtBefore.Length > 0)
{
string previousString = new string(txtBefore[txtBefore.Length - 1], 1);
if (string.IsNullOrWhiteSpace(previousString))
{
lastToken = string.Empty;
}
}
return(lastToken);
}
/// <summary>
/// Gets the current word at the cursor
/// </summary>
///<param name="key">key currently pressed</param>
private void SetWordAtPointer()
{
MergeRuns();
string textRunBack = CaretPosition.GetTextInRun(LogicalDirection.Backward); //text from CaretPosition backwards
string textRunForward = CaretPosition.GetTextInRun(LogicalDirection.Forward); //text from CaretPosition forwards
string wordBeforePointer = new string(textRunBack.Reverse().TakeWhile(c => char.IsLetterOrDigit(c) || (c == '_')).Reverse().ToArray());
string wordAfterPointer = new string(textRunForward.TakeWhile(c => char.IsLetterOrDigit(c) || (c == '_')).ToArray());
_wordAtPointer = wordBeforePointer + wordAfterPointer;
_wordAtPointer = _wordAtPointer.ToUpper();
_startWord = CaretPosition.GetPositionAtOffset(-wordBeforePointer.Length);
_endWord = CaretPosition.GetPositionAtOffset(wordAfterPointer.Length);
if (_isInserting)
{
//CaretPosition = _endWord;
}
#if DEBUG
Debug.Print("-----SetWordAtPointer()------");
Debug.Print("textRunBack = {0}", textRunBack);
Debug.Print("textRunForward = {0}", textRunForward);
Debug.Print("wordCharactersBeforePointer = {0}", wordBeforePointer);
Debug.Print("wordCharactersAfterPointer = {0}", wordAfterPointer);
Debug.Print("wordAtPointer = {0}", _wordAtPointer);
#endif
}
char lastTyped()
{
string _text = CaretPosition.GetTextInRun(LogicalDirection.Backward);
if (!string.IsNullOrEmpty(_text))
{
return(_text.Last());
}
return(new char());
}
private void OnTokenTextChanged(object sender, TextChangedEventArgs e)
{
var text = CaretPosition.GetTextInRun(LogicalDirection.Backward);
if (TokenMatcher != null)
{
var token = TokenMatcher(text);
if (token != null)
{
ReplaceTextWithToken(text, token);
}
}
}
private void RecognizeMatches()
{
if (_suppressRecognition)
{
return;
}
var text = CaretPosition.GetTextInRun(LogicalDirection.Backward);
var match = string.Empty;
var success = _tokenMatchers.Any(x => x.TryMatch(text, out match));
if (!success)
{
return;
}
var container = CreateTokenContainerFromString(match);
AppendContainer(container);
}
public void OnTagTextChanged(object sender, TextChangedEventArgs e)
{
string module = $"{_product}.{_class}.{MethodBase.GetCurrentMethod().Name}()";
try
{
var text = CaretPosition.GetTextInRun(LogicalDirection.Backward);
if (TagMatcher != null)
{
var token = TagMatcher(text);
if (token != null)
{
ReplaceTextWithTag(text, token);
}
}
}
catch (Exception ex)
{
new ReportError(Globals.Chem4WordV3.Telemetry, Globals.Chem4WordV3.WordTopLeft, module, ex).ShowDialog();
}
}
