internal void MergeField(String name, AcroFields.Item item) {
Dictionary<string,object> map = fieldTree;
StringTokenizer tk = new StringTokenizer(name, ".");
if (!tk.HasMoreTokens())
return;
while (true) {
String s = tk.NextToken();
Object obj;
map.TryGetValue(s, out obj);
if (tk.HasMoreTokens()) {
if (obj == null) {
obj = new Dictionary<string,object>();
map[s] = obj;
map = (Dictionary<string,object>)obj;
continue;
}
else if (obj is Dictionary<string,object>)
map = (Dictionary<string,object>)obj;
else
return;
}
else {
if (obj is Dictionary<string,object>)
return;
PdfDictionary merged = item.GetMerged(0);
if (obj == null) {
PdfDictionary field = new PdfDictionary();
if (PdfName.SIG.Equals(merged.Get(PdfName.FT)))
hasSignature = true;
foreach (PdfName key in merged.Keys) {
if (fieldKeys.ContainsKey(key))
field.Put(key, merged.Get(key));
}
List<object> list = new List<object>();
list.Add(field);
CreateWidgets(list, item);
map[s] = list;
}
else {
List<object> list = (List<object>)obj;
PdfDictionary field = (PdfDictionary)list[0];
PdfName type1 = (PdfName)field.Get(PdfName.FT);
PdfName type2 = (PdfName)merged.Get(PdfName.FT);
if (type1 == null || !type1.Equals(type2))
return;
int flag1 = 0;
PdfObject f1 = field.Get(PdfName.FF);
if (f1 != null && f1.IsNumber())
flag1 = ((PdfNumber)f1).IntValue;
int flag2 = 0;
PdfObject f2 = merged.Get(PdfName.FF);
if (f2 != null && f2.IsNumber())
flag2 = ((PdfNumber)f2).IntValue;
if (type1.Equals(PdfName.BTN)) {
if (((flag1 ^ flag2) & PdfFormField.FF_PUSHBUTTON) != 0)
return;
if ((flag1 & PdfFormField.FF_PUSHBUTTON) == 0 && ((flag1 ^ flag2) & PdfFormField.FF_RADIO) != 0)
return;
}
else if (type1.Equals(PdfName.CH)) {
if (((flag1 ^ flag2) & PdfFormField.FF_COMBO) != 0)
return;
}
CreateWidgets(list, item);
}
return;
}
}
}
internal void MergeField(String name, AcroFields.Item item) {
Dictionary<String, Object> map = fieldTree;
StringTokenizer tk = new StringTokenizer(name, ".");
if (!tk.HasMoreTokens())
return;
while (true) {
String s = tk.NextToken();
Object obj;
map.TryGetValue(s, out obj);
if (tk.HasMoreTokens()) {
if (obj == null) {
obj = new Dictionary<String, Object>();
map[s] = obj;
map = (Dictionary<String, Object>)obj;
} else if (obj is Dictionary<String, Object>) {
map = (Dictionary<String, Object>) obj;
} else {
return;
}
} else {
if (obj is Dictionary<String, Object>)
return;
PdfDictionary merged = item.GetMerged(0);
// if a field with this name already exists, we try to rename it
// so a new field will be created.
if (obj != null) {
s = RenameField(obj, map, merged);
}
// generate a new field
PdfDictionary field = new PdfDictionary();
if (PdfName.SIG.Equals(merged.Get(PdfName.FT)))
hasSignature = true;
foreach (PdfName key in merged.Keys) {
if(fieldKeys.Contains(key))
field.Put(key, merged.Get(key));
}
List<Object> list = new List<Object>();
list.Add(field);
CreateWidgets(list, item);
map[s] = list;
return;
}
}
}
internal void CreateWidgets(List<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();
foreach (PdfName key in merged.Keys) {
if (widgetKeys.ContainsKey(key))
widget.Put(key, merged.Get(key));
}
widget.Put(iTextTag, new PdfNumber(item.GetTabOrder(k) + 1));
list.Add(widget);
}
}
private void CreateWidgets(List<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();
foreach (Object element in merged.Keys) {
PdfName key = (PdfName)element;
if (PdfCopyFieldsImp.widgetKeys.ContainsKey(key) || annotId.Equals(key) || PdfName.TYPE.Equals(key))
widget.Put(key, merged.Get(key));
}
widget.Put(PdfCopyFieldsImp.iTextTag, new PdfNumber(item.GetTabOrder(k) + 1));
list.Add(widget);
}
}
