/// <summary>
/// Toggle comment on the specified range, returns a value indicating what has been done
/// 0: null, 1: toggle off; 2: toggle on, 3: added
/// </summary>
/// <param name="startPos"></param>
/// <param name="endPos"></param>
/// <returns></returns>
private static int ToggleCommentOnRange(int startPos, int endPos)
{
// the line is essentially empty
if ((endPos - startPos) == 0)
{
Sci.SetTextByRange(startPos, startPos, "/* */");
return(3);
}
// line is surrounded by /* */
if (Sci.GetTextOnRightOfPos(startPos, 2).Equals("/*") && Sci.GetTextOnLeftOfPos(endPos, 2).Equals("*/"))
{
if (Sci.GetTextByRange(startPos, endPos).Equals("/* */"))
{
// delete an empty comment
Sci.SetTextByRange(startPos, endPos, String.Empty);
}
else
{
// delete /* */
Sci.SetTextByRange(endPos - 2, endPos, String.Empty);
Sci.SetTextByRange(startPos, startPos + 2, String.Empty);
}
return(1);
}
Sci.SetTextByRange(endPos, endPos, "*/");
Sci.SetTextByRange(startPos, startPos, "/*");
return(2);
}
/// <summary>
/// Updates the CURRENT ITEMS LIST,
/// handles the opening or the closing of the auto completion form on key input
/// (externally called when a new char is entered or when a char is deleted)
/// </summary>
public static void UpdateAutocompletion(char c = char.MinValue, int insertPosition = -1)
{
if (_insertingWord)
{
return;
}
var typing = IsCharPartOfWord(c);
var isVisible = IsVisible;
// currently continuing to type a word in a visible auto completion, return asap
if (typing && isVisible)
{
// the auto completion is already visible, this means the _currentWord is set
// we only have to filter the current list even more
ShowSuggestionList(_currentWord + c);
return;
}
var nppCurrentPosition = Sci.CurrentPosition;
var nppCurrentLine = Sci.Line.CurrentLine;
var isNormalContext = Style.IsCarretInNormalContext(nppCurrentPosition);
string strOnLeft = null;
//----------------------
// we finished entering a word (we typed a char that is not part of a word, a space of new line or separator...)
//----------------------
if (c != char.MinValue && !typing && isNormalContext)
{
strOnLeft = Sci.GetTextOnLeftOfPos(nppCurrentPosition, 61);
var strOnLeftLength = strOnLeft.Length;
// we finished entering a word, find the offset at which we can find said word
int offset = 1;
if (c == '\r' || c == '\n')
{
offset = nppCurrentPosition - insertPosition;
if (offset > 40)
{
// case of an extremely hard tabbed line
strOnLeft = Sci.GetTextOnLeftOfPos(nppCurrentPosition - offset, 61);
}
}
bool textHasChanged = false;
if (offset > 0 && strOnLeftLength > offset)
{
bool hasAtLeastOneLetter = false;
var checkOffset = offset;
while (IsCharPartOfWord(strOnLeft[strOnLeftLength - 1 - checkOffset]))
{
var ch = strOnLeft[strOnLeftLength - 1 - checkOffset];
if (char.IsLetter(ch))
{
hasAtLeastOneLetter = true;
break;
}
checkOffset++;
}
// See if the char of the "word" we finished entering is actually part of a word
// (maybe not if, for instance, we just input 2 spaces consecutively)
if (hasAtLeastOneLetter)
{
// automatically insert selected keyword of the completion list?
if (InsertSelectedSuggestionOnWordEnd && isVisible)
{
InsertSuggestion(_form.GetCurrentCompletionItem(), -offset);
textHasChanged = true;
}
// automatically change the case of the keyword?
else if (AutoCase && (nppCurrentPosition - offset) != _positionOfLastInsertion)
{
var candidates = FindInCompletionData(strOnLeft.Substring(0, strOnLeftLength - offset), nppCurrentLine);
// we matched the word in the list, correct the case
if (candidates != null && candidates.Count > 0)
{
InsertSuggestion(candidates.First(), -offset);
textHasChanged = true;
}
}
}
}
// replace semicolon by a point
if (c == ';' && Config.Instance.AutoCompleteReplaceSemicolon && Npp.CurrentFile.IsProgress)
{
_insertingWord = true;
_positionOfLastInsertion = Sci.ModifyTextAroundCaret(-1, 0, ".");
_insertingWord = false;
textHasChanged = true;
}
// need to update the strOnLeft since we use it again in this method
if (textHasChanged)
{
nppCurrentPosition = Sci.CurrentPosition;
strOnLeft = Sci.GetTextOnLeftOfPos(nppCurrentPosition, 61);
}
}
//----------------------
// We are here if the auto completion is hidden or if the user is not continuing to type a word,
// So we have the opportunity to change the list of items in the auto completion if needed
//----------------------
if (!_openedFromShortCut)
{
// don't automatically show the auto completion on input?
if (!Config.Instance.AutoCompleteOnKeyInputShowSuggestions)
{
return;
}
// don't show in string/comments..?
if (!isVisible && !isNormalContext && !Config.Instance.AutoCompleteShowInCommentsAndStrings)
{
return;
}
}
else
{
// the caret changed line (happens when we trigger the auto comp manually on the first position of a line
// and we press backspace, we return to the previous line but the form would still be visible)
if (isVisible && nppCurrentLine != _openedFromShortcutLine)
{
Cloak();
return;
}
}
// get current word
if (strOnLeft == null)
{
strOnLeft = Sci.GetTextOnLeftOfPos(nppCurrentPosition, 61);
}
int charPos = 0;
char?firstSeparator;
var firstKeyword = GetWord(strOnLeft, ref charPos, out firstSeparator);
if (typing)
{
// (form is not visible if we are here) Min length is not reached?
if (!_openedFromShortCut && firstKeyword.Length < Config.Instance.AutoCompleteStartShowingListAfterXChar)
{
return;
}
}
if (firstSeparator == null)
{
// we didn't match a known separator just before the keyword;
// this means we want to display the entire list of keywords
if (CurrentActiveTypes != ActiveTypes.All)
{
CurrentActiveTypes = ActiveTypes.All;
DoInLock(() => { CurrentItems = _savedAllItems; });
}
}
else
{
// return the list of children that should be used in the auto completion, filtered by the previous keywords
List <CompletionItem> outList = null;
DoInLock(() => {
var filterClass = new CompletionFilterClass();
filterClass.UpdateConditions(nppCurrentLine);
outList = GetWordsList(_savedAllItems.Where(filterClass.FilterPredicate), strOnLeft, charPos, firstSeparator).ToList();
});
// empty list?
if (outList == null || outList.Count == 0)
{
// if the current word is directly preceded by a :, we are entering an object field/method
// for now, we then display the whole list of object keywords
if (firstSeparator == ':' && Npp.CurrentFile.IsProgress)
{
if (CurrentActiveTypes != ActiveTypes.KeywordObject)
{
CurrentActiveTypes = ActiveTypes.KeywordObject;
DoInLock(() => { CurrentItems = _savedAllItems; });
}
ShowSuggestionList(firstKeyword);
return;
}
// we should consider the first separator found not as a child separator, display the whole list
if (CurrentActiveTypes != ActiveTypes.All)
{
CurrentActiveTypes = ActiveTypes.All;
DoInLock(() => { CurrentItems = _savedAllItems; });
}
}
else
{
// we will display the list filtered with all the needed children
CurrentActiveTypes = ActiveTypes.Filtered;
DoInLock(() => {
CurrentItems = outList.ToList();
CurrentItems.Sort(CompletionSortingClass <CompletionItem> .Instance);
});
// we want to show the list no matter how long the filter keyword
if (Config.Instance.AutoCompleteShowChildrenAfterSeparator)
{
ShowSuggestionList(firstKeyword);
return;
}
}
}
// check if the minimum length of word is ok
if (isVisible)
{
// close if (we didn't open from shortcut or we are not at the opening position) and the min length is not reached
if ((!_openedFromShortCut || nppCurrentPosition < _shownPosition) && firstKeyword.Length < Config.Instance.AutoCompleteStartShowingListAfterXChar)
{
Cloak();
return;
}
// auto completion from shortcut at the end of a word and we press space, we need to close it!
if (_openedFromShortCut && nppCurrentPosition > _shownPosition && c != char.MinValue)
{
Cloak();
return;
}
}
else
{
// Min length is not reached?
if (!_openedFromShortCut && firstKeyword.Length < Config.Instance.AutoCompleteStartShowingListAfterXChar)
{
return;
}
}
ShowSuggestionList(firstKeyword);
}