private IRenderer CreateListSymbolRenderer(int index, IRenderer renderer)
{
Object defaultListSymbol = GetListItemOrListProperty(renderer, this, Property.LIST_SYMBOL);
if (defaultListSymbol is Text)
{
return(SurroundTextBullet(new TextRenderer((Text)defaultListSymbol)));
}
else
{
if (defaultListSymbol is Image)
{
return(new ImageRenderer((Image)defaultListSymbol));
}
else
{
if (defaultListSymbol is ListNumberingType)
{
ListNumberingType numberingType = (ListNumberingType)defaultListSymbol;
String numberText;
switch (numberingType)
{
case ListNumberingType.DECIMAL: {
numberText = index.ToString();
break;
}
case ListNumberingType.DECIMAL_LEADING_ZERO: {
numberText = (index < 10 ? "0" : "") + index.ToString();
break;
}
case ListNumberingType.ROMAN_LOWER: {
numberText = RomanNumbering.ToRomanLowerCase(index);
break;
}
case ListNumberingType.ROMAN_UPPER: {
numberText = RomanNumbering.ToRomanUpperCase(index);
break;
}
case ListNumberingType.ENGLISH_LOWER: {
numberText = EnglishAlphabetNumbering.ToLatinAlphabetNumberLowerCase(index);
break;
}
case ListNumberingType.ENGLISH_UPPER: {
numberText = EnglishAlphabetNumbering.ToLatinAlphabetNumberUpperCase(index);
break;
}
case ListNumberingType.GREEK_LOWER: {
numberText = GreekAlphabetNumbering.ToGreekAlphabetNumber(index, false, true);
break;
}
case ListNumberingType.GREEK_UPPER: {
numberText = GreekAlphabetNumbering.ToGreekAlphabetNumber(index, true, true);
break;
}
case ListNumberingType.ZAPF_DINGBATS_1: {
numberText = JavaUtil.CharToString((char)(index + 171));
break;
}
case ListNumberingType.ZAPF_DINGBATS_2: {
numberText = JavaUtil.CharToString((char)(index + 181));
break;
}
case ListNumberingType.ZAPF_DINGBATS_3: {
numberText = JavaUtil.CharToString((char)(index + 191));
break;
}
case ListNumberingType.ZAPF_DINGBATS_4: {
numberText = JavaUtil.CharToString((char)(index + 201));
break;
}
default: {
throw new InvalidOperationException();
}
}
Text textElement = new Text(GetListItemOrListProperty(renderer, this, Property.LIST_SYMBOL_PRE_TEXT) + numberText
+ GetListItemOrListProperty(renderer, this, Property.LIST_SYMBOL_POST_TEXT));
IRenderer textRenderer;
// Be careful. There is a workaround here. For Greek symbols we first set a dummy font with document=null
// in order for the metrics to be taken into account correctly during layout.
// Then on draw we set the correct font with actual document in order for the font objects to be created.
if (numberingType == ListNumberingType.GREEK_LOWER || numberingType == ListNumberingType.GREEK_UPPER || numberingType
== ListNumberingType.ZAPF_DINGBATS_1 || numberingType == ListNumberingType.ZAPF_DINGBATS_2 || numberingType
== ListNumberingType.ZAPF_DINGBATS_3 || numberingType == ListNumberingType.ZAPF_DINGBATS_4)
{
String constantFont = (numberingType == ListNumberingType.GREEK_LOWER || numberingType == ListNumberingType
.GREEK_UPPER) ? StandardFonts.SYMBOL : StandardFonts.ZAPFDINGBATS;
textRenderer = new _TextRenderer_211(constantFont, textElement);
try {
textRenderer.SetProperty(Property.FONT, PdfFontFactory.CreateFont(constantFont));
}
catch (System.IO.IOException) {
}
}
else
{
textRenderer = new TextRenderer(textElement);
}
return(SurroundTextBullet(textRenderer));
}
else
{
if (defaultListSymbol is IListSymbolFactory)
{
return(SurroundTextBullet(((IListSymbolFactory)defaultListSymbol).CreateSymbol(index, this, renderer).CreateRendererSubTree
()));
}
else
{
if (defaultListSymbol == null)
{
return(null);
}
else
{
throw new InvalidOperationException();
}
}
}
}
}
}