protected PdfFormField GetChoiceField(bool isList) {
options &= (~MULTILINE) & (~COMB);
String[] uchoices = choices;
if (uchoices == null)
uchoices = new String[0];
int topChoice = choiceSelection;
if (topChoice >= uchoices.Length)
topChoice = uchoices.Length - 1;
if (text == null) text = ""; //fixed by Kazuya Ujihara (ujihara.jp)
if (topChoice >= 0)
text = uchoices[topChoice];
if (topChoice < 0)
topChoice = 0;
PdfFormField field = null;
String[,] mix = null;
if (choiceExports == null) {
if (isList)
field = PdfFormField.CreateList(writer, uchoices, topChoice);
else
field = PdfFormField.CreateCombo(writer, (options & EDIT) != 0, uchoices, topChoice);
}
else {
mix = new String[uchoices.Length, 2];
for (int k = 0; k < mix.GetLength(0); ++k)
mix[k, 0] = mix[k, 1] = uchoices[k];
int top = Math.Min(uchoices.Length, choiceExports.Length);
for (int k = 0; k < top; ++k) {
if (choiceExports[k] != null)
mix[k, 0] = choiceExports[k];
}
if (isList)
field = PdfFormField.CreateList(writer, mix, topChoice);
else
field = PdfFormField.CreateCombo(writer, (options & EDIT) != 0, mix, topChoice);
}
field.SetWidget(box, PdfAnnotation.HIGHLIGHT_INVERT);
if (rotation != 0)
field.MKRotation = rotation;
if (fieldName != null) {
field.FieldName = fieldName;
if (uchoices.Length > 0) {
if (mix != null) {
field.ValueAsString = mix[topChoice, 0];
field.DefaultValueAsString = mix[topChoice, 0];
}
else {
field.ValueAsString = text;
field.DefaultValueAsString = text;
}
}
if ((options & READ_ONLY) != 0)
field.SetFieldFlags(PdfFormField.FF_READ_ONLY);
if ((options & REQUIRED) != 0)
field.SetFieldFlags(PdfFormField.FF_REQUIRED);
if ((options & DO_NOT_SPELL_CHECK) != 0)
field.SetFieldFlags(PdfFormField.FF_DONOTSPELLCHECK);
}
field.BorderStyle = new PdfBorderDictionary(borderWidth, borderStyle, new PdfDashPattern(3));
PdfAppearance tp;
if (isList) {
tp = GetListAppearance();
if (topFirst > 0)
field.Put(PdfName.TI, new PdfNumber(topFirst));
}
else
tp = GetAppearance();
field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, tp);
PdfAppearance da = (PdfAppearance)tp.Duplicate;
da.SetFontAndSize(RealFont, fontSize);
if (textColor == null)
da.SetGrayFill(0);
else
da.SetColorFill(textColor);
field.DefaultAppearanceString = da;
if (borderColor != null)
field.MKBorderColor = borderColor;
if (backgroundColor != null)
field.MKBackgroundColor = backgroundColor;
switch (visibility) {
case HIDDEN:
field.Flags = PdfAnnotation.FLAGS_PRINT | PdfAnnotation.FLAGS_HIDDEN;
break;
case VISIBLE_BUT_DOES_NOT_PRINT:
break;
case HIDDEN_BUT_PRINTABLE:
field.Flags = PdfAnnotation.FLAGS_PRINT | PdfAnnotation.FLAGS_NOVIEW;
break;
default:
field.Flags = PdfAnnotation.FLAGS_PRINT;
break;
}
return field;
}
