Creating form fields

JAVA

/**
 * Example written by Bruno Lowagie in answer to:
 * http://stackoverflow.com/questions/29016333/pushbuttonfield-with-double-byte-character
 */
package sandbox.acroforms;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.text.pdf.PushbuttonField;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import sandbox.WrapToTest;

@WrapToTest
public class CreateJapaneseButton {
    
    public static final String DEST = "results/acroforms/japanese_button.pdf";
    public static final String JAPANESE = "\u3042\u304d\u3089";
    public static final String FONT = "resources/fonts/FreeSans.ttf";

    public static void main(String[] args) throws IOException,
            DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new CreateJapaneseButton().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        PushbuttonField button = new PushbuttonField(writer, new Rectangle(36, 780, 144, 806), "japanese");
        BaseFont bf = BaseFont.createFont(FONT, BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
        button.setFont(bf);
        button.setText(JAPANESE);
        writer.addAnnotation(button.getField());
        document.close();
    }

}

JAVA

/**
 * Example written by Bruno Lowagie in answer to:
 * http://stackoverflow.com/questions/24830060/send-file-to-server-through-itext-pdf
 */

package sandbox.acroforms;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfAction;
import com.itextpdf.text.pdf.PdfFormField;
import com.itextpdf.text.pdf.PdfName;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.text.pdf.TextField;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import sandbox.WrapToTest;

@WrapToTest
public class FileSelectionExample {
    
    public static final String DEST = "results/acroforms/file_selection.pdf";
    
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new FileSelectionExample().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        TextField file = new TextField(writer, new Rectangle(36, 788, 559, 806), "myfile");
        file.setOptions(TextField.FILE_SELECTION);
        PdfFormField upload = file.getTextField();
        upload.setAdditionalActions(PdfName.U,
                PdfAction.javaScript(
                    "this.getField('myfile').browseForFileToSubmit();"
                    + "this.getField('mytitle').setFocus();",
                    writer));
        writer.addAnnotation(upload);
        TextField title = new TextField(writer, new Rectangle(36, 752, 559, 770), "mytitle");
        writer.addAnnotation(title.getTextField());
        document.close();
    }
}

JAVA

/*
 * This example was written by Bruno Lowagie in answer to the following question:
 * http://stackoverflow.com/questions/30895930/issue-with-itext-radiocheckfield-when-displayed-on-multiple-pages
 */
package sandbox.acroforms;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Element;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.GrayColor;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfFormField;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.text.pdf.RadioCheckField;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * @author Bruno Lowagie (iText Software)
 */
public class RadioGroupMultiPage1 {
    
    public static final String DEST = "results/acroforms/multipage_radiobutton1.pdf";
    /** Possible values of a Choice field. */
    public static final String[] LANGUAGES = { "English", "German", "French", "Spanish", "Dutch" };
 
    public static void main(String[] args) throws DocumentException, IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new RadioGroupMultiPage1().createPdf(DEST);
    }
    public void createPdf(String dest) throws IOException, DocumentException {
    	// step 1
        Document document = new Document();
        // step 2
        PdfWriter writer =
            PdfWriter.getInstance(document, new FileOutputStream(dest));
        // step 3
        document.open();
        // step 4
        PdfContentByte cb = writer.getDirectContent();
        BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
        // create a radio field spanning different pages
        PdfFormField radiogroup = PdfFormField.createRadioButton(writer, true);
        radiogroup.setFieldName("language");
        Rectangle rect = new Rectangle(40, 806, 60, 788);
        RadioCheckField radio;
        PdfFormField radiofield;
        for (int page = 0; page < LANGUAGES.length; ) {
            radio = new RadioCheckField(writer, rect, null, LANGUAGES[page]);
            radio.setBackgroundColor(new GrayColor(0.8f));
            radiofield = radio.getRadioField();
            radiofield.setPlaceInPage(++page);
            radiogroup.addKid(radiofield);
        }
        writer.addAnnotation(radiogroup);
        // add the content
        for (int i = 0; i < LANGUAGES.length; i++) {
            cb.beginText();
            cb.setFontAndSize(bf, 18);
            cb.showTextAligned(Element.ALIGN_LEFT, LANGUAGES[i], 70, 790, 0);
            cb.endText();
            document.newPage();
        }
        // step 5
        document.close();
    }
}

JAVA

/*
 * Example written by Bruno Lowagie in answer to:
 * http://stackoverflow.com/questions/33247348/add-pdfpcell-to-paragraph
 */
package sandbox.events;

import com.itextpdf.text.Chunk;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.ExceptionConverter;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfPageEventHelper;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.text.pdf.TextField;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import sandbox.WrapToTest;

/**
 * @author Bruno Lowagie (iText Software)
 */
@WrapToTest
public class GenericFields {
    public static final String DEST = "results/events/generic_fields.pdf";
    
    public class FieldChunk extends PdfPageEventHelper {
        @Override
        public void onGenericTag(PdfWriter writer, Document document, Rectangle rect, String text) {
            TextField field = new TextField(writer, rect, text);
            try {
                writer.addAnnotation(field.getTextField());
            } catch (IOException ex) {
                throw new ExceptionConverter(ex);
            } catch (DocumentException ex) {
                throw new ExceptionConverter(ex);
            }
        }
    }
    
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new GenericFields().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(dest));
        writer.setPageEvent(new FieldChunk());
        document.open();
        Paragraph p = new Paragraph();
        p.add("The Effective Date is ");
        Chunk day = new Chunk("     ");
        day.setGenericTag("day");
        p.add(day);
        p.add(" day of ");
        Chunk month = new Chunk("     ");
        month.setGenericTag("month");
        p.add(month);
        p.add(", ");
        Chunk year = new Chunk("            ");
        year.setGenericTag("year");
        p.add(year);
        p.add(" that this will begin.");
        document.add(p);
        document.close();
    }
}