private void expandFields(PdfFormField field, ArrayList allAnnots) {
allAnnots.add(field);
ArrayList kids = field.getKids();
if (kids != null) {
for (int k = 0; k < kids.size(); ++k) expandFields((PdfFormField) kids.get(k), allAnnots);
}
}
private void addFieldResources(PdfDictionary catalog) throws IOException {
if (fieldArray == null) return;
PdfDictionary acroForm = new PdfDictionary();
catalog.put(PdfName.ACROFORM, acroForm);
acroForm.put(PdfName.FIELDS, fieldArray);
acroForm.put(PdfName.DA, new PdfString("/Helv 0 Tf 0 g "));
if (fieldTemplates.isEmpty()) return;
PdfDictionary dr = new PdfDictionary();
acroForm.put(PdfName.DR, dr);
for (PdfTemplate template : fieldTemplates) {
PdfFormField.mergeResources(dr, (PdfDictionary) template.getResources());
}
// if (dr.get(PdfName.ENCODING) == null) dr.put(PdfName.ENCODING, PdfName.WIN_ANSI_ENCODING);
PdfDictionary fonts = dr.getAsDict(PdfName.FONT);
if (fonts == null) {
fonts = new PdfDictionary();
dr.put(PdfName.FONT, fonts);
}
if (!fonts.contains(PdfName.HELV)) {
PdfDictionary dic = new PdfDictionary(PdfName.FONT);
dic.put(PdfName.BASEFONT, PdfName.HELVETICA);
dic.put(PdfName.ENCODING, PdfName.WIN_ANSI_ENCODING);
dic.put(PdfName.NAME, PdfName.HELV);
dic.put(PdfName.SUBTYPE, PdfName.TYPE1);
fonts.put(PdfName.HELV, addToBody(dic).getIndirectReference());
}
if (!fonts.contains(PdfName.ZADB)) {
PdfDictionary dic = new PdfDictionary(PdfName.FONT);
dic.put(PdfName.BASEFONT, PdfName.ZAPFDINGBATS);
dic.put(PdfName.NAME, PdfName.ZADB);
dic.put(PdfName.SUBTYPE, PdfName.TYPE1);
fonts.put(PdfName.ZADB, addToBody(dic).getIndirectReference());
}
}
private void expandFields(PdfFormField field, ArrayList<PdfAnnotation> allAnnots) {
allAnnots.add(field);
ArrayList<PdfFormField> kids = field.getKids();
if (kids != null) {
for (PdfFormField f : kids) expandFields(f, allAnnots);
}
}
void createWidgets(ArrayList<Object> list, AcroFields.Item item) {
for (int k = 0; k < item.size(); ++k) {
list.add(item.getPage(k));
PdfDictionary merged = item.getMerged(k);
PdfObject dr = merged.get(PdfName.DR);
if (dr != null)
PdfFormField.mergeResources(resources, (PdfDictionary) PdfReader.getPdfObject(dr));
PdfDictionary widget = new PdfDictionary();
for (Object element : merged.getKeys()) {
PdfName key = (PdfName) element;
if (widgetKeys.containsKey(key)) widget.put(key, merged.get(key));
}
widget.put(iTextTag, new PdfNumber(item.getTabOrder(k).intValue() + 1));
list.add(widget);
}
}
public void addAnnotation(PdfAnnotation annot) {
try {
ArrayList allAnnots = new ArrayList();
if (annot.isForm()) {
PdfFormField field = (PdfFormField) annot;
if (field.getParent() != null) return;
expandFields(field, allAnnots);
if (cstp.fieldTemplates == null) cstp.fieldTemplates = new HashMap();
} else allAnnots.add(annot);
for (int k = 0; k < allAnnots.size(); ++k) {
annot = (PdfAnnotation) allAnnots.get(k);
if (annot.isForm()) {
if (!annot.isUsed()) {
HashMap templates = annot.getTemplates();
if (templates != null) cstp.fieldTemplates.putAll(templates);
}
PdfFormField field = (PdfFormField) annot;
if (field.getParent() == null) addDocumentField(field.getIndirectReference());
}
if (annot.isAnnotation()) {
PdfObject pdfobj = PdfReader.getPdfObject(pageN.get(PdfName.ANNOTS), pageN);
PdfArray annots = null;
if (pdfobj == null || !pdfobj.isArray()) {
annots = new PdfArray();
pageN.put(PdfName.ANNOTS, annots);
} else annots = (PdfArray) pdfobj;
annots.add(annot.getIndirectReference());
if (!annot.isUsed()) {
PdfRectangle rect = (PdfRectangle) annot.get(PdfName.RECT);
if (rect != null
&& (rect.left() != 0
|| rect.right() != 0
|| rect.top() != 0
|| rect.bottom() != 0)) {
int rotation = reader.getPageRotation(pageN);
Rectangle pageSize = reader.getPageSizeWithRotation(pageN);
switch (rotation) {
case 90:
annot.put(
PdfName.RECT,
new PdfRectangle(
pageSize.getTop() - rect.bottom(),
rect.left(),
pageSize.getTop() - rect.top(),
rect.right()));
break;
case 180:
annot.put(
PdfName.RECT,
new PdfRectangle(
pageSize.getRight() - rect.left(),
pageSize.getTop() - rect.bottom(),
pageSize.getRight() - rect.right(),
pageSize.getTop() - rect.top()));
break;
case 270:
annot.put(
PdfName.RECT,
new PdfRectangle(
rect.bottom(),
pageSize.getRight() - rect.left(),
rect.top(),
pageSize.getRight() - rect.right()));
break;
}
}
}
}
if (!annot.isUsed()) {
annot.setUsed();
cstp.addToBody(annot, annot.getIndirectReference());
}
}
} catch (IOException e) {
throw new ExceptionConverter(e);
}
}
