/// <summary>
/// Adds the specified annotation to the collection.
/// </summary>
/// <param name="annotation">Annotation to be added.</param>
public void Add(Annotation annotation)
{
if (annotation == null)
{
throw new ArgumentNullException();
}
Annotation copy = annotation.Clone(_owner, _page);
_annotations.Add(copy);
_array.AddItem(copy.Dictionary);
if (annotation is MarkupAnnotation)
{
PopupAnnotation popup = (annotation as MarkupAnnotation).Popup;
if (popup != null)
{
Annotation popupClone = popup.Clone(_owner, _page);
(popupClone as PopupAnnotation).SetParent(copy);
copy.Dictionary.AddItem("Popup", popupClone.Dictionary);
_array.AddItem(popupClone.Dictionary);
}
}
else if (annotation is Field)
{
if (_owner != null)
{
_owner.AddField(copy as Field);
}
}
}
/// <summary>
/// Removes the annotation with a specified index from the collection.
/// </summary>
/// <param name="index" href="http://msdn.microsoft.com/en-us/library/system.int32.aspx">The zero-based index of the annotation to be removed.</param>
public void Remove(int index)
{
if (index < 0 || index >= Count)
{
throw new IndexOutOfRangeException();
}
Annotation annot = _annotations[index];
_annotations.RemoveAt(index);
remove(annot.Dictionary);
if (annot is MarkupAnnotation)
{
PopupAnnotation popup = (annot as MarkupAnnotation).Popup;
if (popup != null)
{
remove(popup.Dictionary);
}
PDFDictionary currentDict = annot.Dictionary;
for (int i = 0; i < _array.Count;)
{
PDFDictionary dict = _array[i] as PDFDictionary;
PDFDictionary irt = dict["IRT"] as PDFDictionary;
if (irt != null && irt == currentDict)
{
remove(dict);
PDFDictionary popupDict = dict["Popup"] as PDFDictionary;
if (popupDict != null)
{
remove(popupDict);
}
currentDict = dict;
i = 0;
}
else
{
++i;
}
}
}
if (annot is Field && _owner != null)
{
_owner.RemoveField(annot as Field);
}
}
