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Field Actions

import java.awt.Color; import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.Rectangle; import com.lowagie.text.pdf.PdfAction; import com.lowagie.text.pdf.PdfBorderDictionary; import com.lowagie.text.pdf.PdfFormField; import com.lowagie.text.pdf.PdfName; import com.lowagie.text.pdf.PdfWriter; import com.lowagie.text.pdf.TextField; public class MainClass {   public static void main(String[] args) throws Exception {     Document document = new Document();     PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));     document.open();     TextField textfield = new TextField(writer, new Rectangle(140, 790, 200, 810), "uppercase");     textfield.setMaxCharacterLength(4);     textfield.setOptions(TextField.COMB);     textfield.setBorderWidth(1);     textfield.setBorderStyle(PdfBorderDictionary.STYLE_INSET);     PdfFormField field = textfield.getTextField();     field.setAdditionalActions(new PdfName("Fo"), PdfAction.javaScript("app.alert('hi');", writer));     writer.addAnnotation(field);     TextField date = new TextField(writer, new Rectangle(140, 760, 250, 780), "date");     date.setOptions(TextField.EDIT);     date.setChoices(new String[] { "A", "Date" });     date.setChoiceExports(new String[] { "12-25-2008", "01-01-2009" });     field = date.getComboField();     field.setAdditionalActions(PdfName.K, PdfAction.javaScript(         "AFDate_KeystrokeEx( 'dd-mm-yyyy' )", writer));     writer.addAnnotation(field);     document.close();   } }