/// <summary>
/// Creates the lexer from XML file used by the Notepad++ software.
/// </summary>
/// <param name="scintilla">The <see cref="Scintilla"/> which lexer style to set.</param>
/// <param name="lexerType">Type of the lexer.</param>
/// <param name="fileName">A file name to get the lexer type from.</param>
/// <param name="useGlobalOverride">A flag indicating whether the style "Global override" should be set for the lexer from the XML document.</param>
/// <param name="font">A flag indicating whether to use the defined font name from the XML document or not.</param>
/// <param name="useWhiteSpace">A flag indicating whether to color the white space symbol.</param>
/// <param name="useSelectionColors">A flag indicating whether to color the selection.</param>
/// <param name="useMarginColors">A flag indicating whether to color the margin.</param>
/// <returns><c>true</c> if the operation was successful, <c>false</c> otherwise.</returns>
public static bool CreateLexerFromFile(Scintilla scintilla, LexerType lexerType,
string fileName, bool useGlobalOverride, bool font, bool useWhiteSpace, bool useSelectionColors,
bool useMarginColors)
{
try
{
XDocument document = XDocument.Load(fileName);
ScintillaNotepadPlusPlusStyles.SetGlobalDefaultStyles(document, scintilla, useGlobalOverride, font);
ScintillaNotepadPlusPlusStyles.LoadScintillaStyleFromNotepadPlusXml(document, scintilla, useWhiteSpace,
useSelectionColors, useMarginColors);
ScintillaNotepadPlusPlusStyles.LoadLexerStyleFromNotepadPlusXml(document, scintilla,
lexerType); // TODO::Font?
scintilla.Lexer = LexerTypeName.GetLexerByLexerType(lexerType);
ScintillaKeyWords.SetKeywords(scintilla, lexerType);
LexerFoldProperties.SetFoldProperties(scintilla, lexerType);
ScintillaNotepadPlusPlusStyles.SetFolding(document, scintilla);
System.Diagnostics.Debug.WriteLine(scintilla.DescribeKeywordSets());
return(true);
}
catch
{
return(false);
}
}
/// <summary>
/// Sets the folding of a <see cref="Scintilla"/> based on the "Fold" style defined in the XML document.
/// </summary>
/// <param name="document">The XML document to read the folding style from.</param>
/// <param name="scintilla">The instance to a scintilla of which folding style to set.</param>
/// <returns><c>true</c> if the operation was successful, <c>false</c> otherwise.</returns>
public static bool SetFolding(XDocument document, Scintilla scintilla)
{
try
{
var foldStyle = // <WidgetStyle name="Fold"...
document.Descendants(XName.Get("WidgetStyle")).FirstOrDefault(f =>
f.Attribute("name") != null &&
f.Attribute("name").Value == "Fold");
if (foldStyle == null)
{
return(false);
}
var style = XmlStyleNotepadPlusPlusHelper.FromXElement(foldStyle);
// the default colors as in the example.. (C)::https://github.com/jacobslusser/ScintillaNET/wiki/Automatic-Code-Folding
// Instruct the lexer to calculate folding..
LexerFoldProperties.FoldDefault(scintilla);
// Configure a margin to display folding symbols
scintilla.Margins[2].Type = MarginType.Symbol;
scintilla.Margins[2].Mask = Marker.MaskFolders;
scintilla.Margins[2].Sensitive = true;
scintilla.Margins[2].Width = 20;
// Set colors for all folding markers
for (int i = 25; i <= 31; i++)
{
scintilla.Markers[i].SetForeColor(style.ColorBackground);
scintilla.Markers[i].SetBackColor(style.ColorForeground);
}
// Configure folding markers with respective symbols
scintilla.Markers[Marker.Folder].Symbol = MarkerSymbol.BoxPlus;
scintilla.Markers[Marker.FolderOpen].Symbol = MarkerSymbol.BoxMinus;
scintilla.Markers[Marker.FolderEnd].Symbol = MarkerSymbol.BoxPlusConnected;
scintilla.Markers[Marker.FolderMidTail].Symbol = MarkerSymbol.TCorner;
scintilla.Markers[Marker.FolderOpenMid].Symbol = MarkerSymbol.BoxMinusConnected;
scintilla.Markers[Marker.FolderSub].Symbol = MarkerSymbol.VLine;
scintilla.Markers[Marker.FolderTail].Symbol = MarkerSymbol.LCorner;
// Enable automatic folding
scintilla.AutomaticFold = (AutomaticFold.Show | AutomaticFold.Click | AutomaticFold.Change);
return(true);
}
catch
{
return(false);
}
}
