Exemplo n.º 1
0
        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();
                            }
                        }
                    }
                }
            }
        }