async void HandleCompletionEvent(char currentChar, CodeSegment segment, TextCompositionEventArgs e) {
if(e.Text.Length == 1 && !omitCodeCompletion.Contains(currentChar)) {
// this is just for first debugging purposes
// as this code belongs to a completion service which handles and caches those completion items
// Open code completion after the user has pressed dot:
if(e.Text == ".") {
//ensure we have a updated tokenizer
_projectitem.EnsureTokenizerHasWorked();
await _projectitem.AST.CompileTokenFileAsync();
Application.Current.Dispatcher.Invoke(new Action(() => {
IList<ICompletionData> data = CreateNewCompletionWindow().CompletionList.CompletionData;
// do type lookup & list avaiable members
var ctx = _projectitem.AST.GetCodeContext(_texteditor.CaretOffset - 1, true);
if(ctx != null && ctx.Segment != null) {
if(ctx.Segment.CodeDOMObject is CodeThisReferenceExpression) {
foreach(var m in ctx.EnclosingType.GetInheritedMembers()) {
data.Add(CompletionItem.Build(m));
}
} else if(ctx.Segment.CodeDOMObject is CodeBaseReferenceExpression) {
foreach(CodeTypeReferenceEx basetype in ctx.EnclosingType.BaseTypes) {
var td = basetype.ResolveTypeDeclarationCache();
if(td != null) {
foreach(var m in td.GetInheritedMembers())
data.Add(CompletionItem.Build(m));
}
}
}
}
if(data.Any()) {
_completionWindow.StartOffset++;
_completionWindow.Show();
}
}));
} else if(_completionWindow == null && e.Text != "\n" &&
((AsciiHelper.IsAsciiLiteralLetter(currentChar) || allowedspecailChars.Contains(currentChar))
&& !AsciiHelper.IsAsciiNum(currentChar))) { // && !whitespaces.Contains(carretChar)
// show avaiable global Methods & build in Methods + commands
if(segment == null) {
return;
} else {
if(segment.Token == Token.MultiLineComment || segment.Token == Token.SingleLineComment)
return;
}
Application.Current.Dispatcher.Invoke(new Action(() => {
IList<ICompletionData> data = CreateNewCompletionWindow().CompletionList.CompletionData;
foreach(var item in GetStaticCompletionItems()) {
data.Add(item);
}
CodeContext ctx;
if(_texteditor.Document.TextLength > _texteditor.CaretOffset) {
ctx = _projectitem.AST.GetCodeContext(_texteditor.CaretOffset, true);
} else {
// get root type context
ctx = new CodeContext(_projectitem.AST);
ctx.EnclosingType = _projectitem.AST.GetRootTypeSnapshot();
}
foreach(var m in ctx.GetVisibleMembers()) {
data.Add(CompletionItem.Build(m));
}
//_completionWindow.StartOffset++;
_completionWindow.Show();
}));
}
} else if(whitespaces.Contains(currentChar)) {
if(segment != null) {
var s = segment.ThisOrPreviousOmit(TokenHelper.WhiteSpacesNewLine);
Application.Current.Dispatcher.Invoke(new Action(() => {
if(s != null && s.Token == Token.KeyWord && (s.TokenString.Equals("new", StringComparison.CurrentCultureIgnoreCase)
|| s.TokenString.Equals("extends", StringComparison.CurrentCultureIgnoreCase))) {
var ctx = _projectitem.AST.GetCodeContext(_texteditor.CaretOffset);
IList<ICompletionData> data = CreateNewCompletionWindow().CompletionList.CompletionData;
bool any = false;
foreach(var m in ctx.GetVisibleMembers()) {
if(m is CodeTypeDeclaration) {
data.Add(CompletionItem.Build(m));
any = true;
}
}
if(any) {
_completionWindow.StartOffset++;
_completionWindow.Show();
}
}
}));
}
}
}