private LinePosition GetPreceedingWordSegment(ICSharpCode.AvalonEdit.Document.IDocument document, ISegment completionSegment)
{
string line = "";
int pos = completionSegment.EndOffset - 1;
var loc = document.GetLocation(pos);
Log.Debug("{class} {method} pos:{position}", "DaxCompletionData", "GetPreceedingWordSegment", pos);
var docLine = document.GetLineByOffset(pos);
//line = textArea.Document.GetText(docLine.Offset, loc.Column);
line = document.GetText(docLine.Offset, docLine.Length);
Log.Verbose("{class} {method} {message}", "DaxCompletionData", "GetPreceedingWordSegment", "line: " + line);
var daxState = DaxLineParser.ParseLine(line, loc.Column, 0);
//TODO - look ahead to see if we have a table/column/function end character that we should replace upto
return(DaxLineParser.GetPreceedingWordSegment(docLine.Offset, loc.Column, line, daxState));
}
public void CompleteInternal(ICSharpCode.AvalonEdit.Document.IDocument document, ISegment completionSegment, EventArgs insertionRequestEventArgs)
{
Log.Debug("{class} {method} {start}-{end}({length})", "DaxCompletionData", "Complete", completionSegment.Offset, completionSegment.EndOffset, completionSegment.Length);
try
{
// walk back to start of word
var newSegment = GetPreceedingWordSegment(document, completionSegment);
var replaceOffset = newSegment.Offset;
var replaceLength = newSegment.Length;
var funcParamStart = Text.IndexOf("«", StringComparison.OrdinalIgnoreCase);
string insertionText = funcParamStart > 0 ? Text.Substring(0, funcParamStart) : Text;
if (insertionRequestEventArgs is TextCompositionEventArgs args)
{
// if the insertion char is the same as the last char in the
// insertion text then trim it off
var insertionChar = args.Text;
if (insertionText.EndsWith(insertionChar, StringComparison.Ordinal))
{
insertionText = insertionText.TrimEnd(insertionChar[0]);
}
}
if (completionSegment.EndOffset <= document.TextLength - 1)
{
var lastCompletionChar = insertionText[insertionText.Length - 1];
var lastDocumentChar = document.GetCharAt(completionSegment.EndOffset);
Log.Debug("{class} {method} {lastCompletionChar} vs {lastDocumentChar} off: {offset} len:{length}", "DaxCompletionData", "Complete", lastCompletionChar, lastDocumentChar, newSegment.Offset, newSegment.Length);
if (lastCompletionChar == lastDocumentChar)
{
replaceLength++;
}
}
document.Replace(newSegment.Offset, newSegment.Length, insertionText);
_insightProvider.ShowInsight(insertionText);
} catch (Exception ex)
{
Log.Fatal(ex, "{class} {method} Error inserting code completion data {message}", "DaxCompletionData", "CompleteInternal", ex.Message);
}
}
