Java Tutorial/PDF/TextField

Field Actions

   <source lang="java">

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.ruB);
   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();
 }

}</source>