// ---------------------------------------------------------------------------
/**
* Adds a popup.
* @param stamper the PdfStamper to which the annotation needs to be added
* @param rect the position of the annotation
* @param title the annotation title
* @param contents the annotation content
* @param imdb the IMDB number of the movie used as name of the annotation
*/
public void AddPopup(PdfStamper stamper, Rectangle rect,
String title, String contents, String imdb)
{
// Create the text annotation
PdfAnnotation text = PdfAnnotation.CreateText(
stamper.Writer,
rect, title, contents, false, "Comment"
);
text.Name = string.Format("IMDB{0}", imdb);
text.Flags = PdfAnnotation.FLAGS_READONLY | PdfAnnotation.FLAGS_NOVIEW;
// Create the popup annotation
PdfAnnotation popup = PdfAnnotation.CreatePopup(
stamper.Writer,
new Rectangle(
rect.Left + 10, rect.Bottom + 10,
rect.Left + 200, rect.Bottom + 100
),
null, false
);
// Add the text annotation to the popup
popup.Put(PdfName.PARENT, text.IndirectReference);
// Declare the popup annotation as popup for the text
text.Put(PdfName.POPUP, popup.IndirectReference);
// Add both annotations
stamper.AddAnnotation(text, 1);
stamper.AddAnnotation(popup, 1);
// Create a button field
PushbuttonField field = new PushbuttonField(
stamper.Writer, rect,
string.Format("b{0}", imdb)
);
PdfAnnotation widget = field.Field;
// Show the popup onMouseEnter
PdfAction enter = PdfAction.JavaScript(
string.Format(JS1, imdb), stamper.Writer
);
widget.SetAdditionalActions(PdfName.E, enter);
// Hide the popup onMouseExit
PdfAction exit = PdfAction.JavaScript(
string.Format(JS2, imdb), stamper.Writer
);
widget.SetAdditionalActions(PdfName.X, exit);
// Add the button annotation
stamper.AddAnnotation(widget, 1);
}