public override bool Handle(AutoCompleteEventArgs e, AutoCompleteSettings settings, out CodeString result)
{
result = null;
if (e.Character != '\r' || (!settings?.SmartConcat.IsEnabled ?? true))
{
return(false);
}
var currentContent = CodePaneHandler.GetCurrentLogicalLine(e.Module);
if ((!currentContent?.IsInsideStringLiteral ?? true) ||
currentContent.Lines.Length >= settings.SmartConcat.ConcatMaxLines)
{
// selection spans more than a single logical line, or spans too many lines to be legal;
// too many line continuations throws COMException if we attempt to modify.
return(false);
}
var lastIndexLeftOfCaret = currentContent.CaretLine.Length > 2 ? currentContent.CaretLine.Substring(0, currentContent.CaretPosition.StartColumn).LastIndexOf('"') : 0;
if (lastIndexLeftOfCaret > 0)
{
var indent = currentContent.CaretLine.NthIndexOf('"', 1);
var whitespace = new string(' ', indent);
// todo: handle shift modifier?
var concatVbNewLine = settings.SmartConcat.ConcatVbNewLineModifier.HasFlag(ModifierKeySetting.CtrlKey) && e.IsControlKeyDown;
var autoCode = $"\" {(concatVbNewLine ? "& vbNewLine " : string.Empty)}& _\r\n{whitespace}\"";
var left = currentContent.CaretLine.Substring(0, currentContent.CaretPosition.StartColumn);
var right = currentContent.CaretLine.Substring(currentContent.CaretPosition.StartColumn);
var caretLine = $"{left}{autoCode}{right}";
var lines = currentContent.Lines;
lines[currentContent.CaretPosition.StartLine] = caretLine;
var code = string.Join("\r\n", lines);
var newContent = new CodeString(code, currentContent.CaretPosition, currentContent.SnippetPosition);
var newPosition = new Selection(newContent.CaretPosition.StartLine + 1, indent + 1);
e.Handled = true;
result = new CodeString(newContent.Code, newPosition,
new Selection(newContent.SnippetPosition.StartLine, 1, newContent.SnippetPosition.EndLine, 1));
CodePaneHandler.SubstituteCode(e.Module, result);
var finalSelection = new Selection(result.SnippetPosition.StartLine, 1).Offset(result.CaretPosition);
CodePaneHandler.SetSelection(e.Module, finalSelection);
return(true);
}
return(false);
}
public void AfterSubstituteCodeTheCorrespondingModuleContainsTheCodeProvided()
{
var code = "TestTestTest";
var codeModuleMock = new Mock <ICodeModule>();
codeModuleMock.Setup(m => m.Content()).Returns(() => code);
codeModuleMock.Setup(m => m.CountOfLines).Returns(1);
codeModuleMock.Setup(m => m.Clear()).Callback(() => code = string.Empty);
codeModuleMock.Setup(m => m.InsertLines(It.IsAny <int>(), It.IsAny <string>()))
.Callback((int start, string str) => code = code.Insert(start - 1, str));
var codeModule = codeModuleMock.Object;
var module = new QualifiedModuleName("TestProject", string.Empty, "TestModule");
var projectsProvider = TestProvider(module, codeModule);
var codePaneSourceHandler = new CodePaneHandler(projectsProvider);
codePaneSourceHandler.SubstituteCode(module, "NewNewNew");
var expected = "NewNewNew";
var actual = codeModule.Content();
Assert.AreEqual(expected, actual);
}