com.geek.tutorial.itext.acroform.RadioCheckBoxForm.java Source code

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Here is the source code for com.geek.tutorial.itext.acroform.RadioCheckBoxForm.java

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/*
 *  iText Tutorials
 *
 * Project Info:  http://www.geek-tutorials.com/java/itext/itext_index.php
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
 * in the United States and other countries.]
 *
 *
 * Created on July 20, 2007
 * @Author geek-tutorials.com
 * 
 */

package com.geek.tutorial.itext.acroform;

import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.pdf.PdfAction;
import com.lowagie.text.pdf.PdfBorderDictionary;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfFormField;
import com.lowagie.text.pdf.PushbuttonField;
import com.lowagie.text.pdf.RadioCheckField;
import com.lowagie.text.Rectangle;
import java.awt.Color;
import java.io.FileOutputStream;
import java.io.IOException;

public class RadioCheckBoxForm {

    public RadioCheckBoxForm() throws Exception {
        Document document = new Document();
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("RadioCheckBoxForm.pdf"));
        document.open();
        PdfContentByte cb = writer.getDirectContent();

        BaseFont bf = BaseFont.createFont(BaseFont.TIMES_ROMAN, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
        Rectangle rect;

        // Code 1 create radio button
        String[] radios = { "Radio1", "Radio2", "Radio3" };
        PdfFormField radioField = PdfFormField.createRadioButton(writer, true);
        radioField.setFieldName("radioField");
        radioField.setValueAsName(radios[0]);
        for (int i = 0; i < radios.length; i++) {
            rect = new Rectangle(40, 815 - i * 30, 60, 797 - i * 30);
            addRadioButton(writer, rect, radioField, radios[i], i == 0);
            cb.beginText();
            cb.setFontAndSize(bf, 12);
            cb.showTextAligned(Element.ALIGN_LEFT, radios[i], 70, 802 - i * 30, 0);
            cb.endText();
        }
        writer.addAnnotation(radioField);

        // Code 2 create checkbox button
        String[] options = { "Check1", "Check2", "Check3" };
        for (int i = 0; i < options.length; i++) {
            rect = new Rectangle(160, 815 - i * 30, 180, 797 - i * 30);
            addCheckbox(writer, rect, options[i]);
            cb.beginText();
            cb.setFontAndSize(bf, 12);
            cb.showTextAligned(Element.ALIGN_LEFT, options[i], 190, 802 - i * 30, 0);
            cb.endText();
        }

        // Code 3 add function and button for showing state 
        writer.addJavaScript(
                "function showState(){" + "app.alert('Radio:'+ this.getField('radioField').value +'\\n\\n'+"
                        + "'Check1:'+this.getField('Check1').value +'\\n'+"
                        + "'Check2:'+this.getField('Check2').value +'\\n'+"
                        + "'Check3:'+this.getField('Check3').value);" + "}");
        PushbuttonField push = new PushbuttonField(writer, new Rectangle(80, 710, 150, 730), "pushAction");
        push.setBackgroundColor(Color.LIGHT_GRAY);
        push.setBorderColor(Color.GRAY);
        push.setText("Show State");
        push.setBorderStyle(PdfBorderDictionary.STYLE_BEVELED);
        push.setTextColor(Color.BLACK);
        PdfFormField pushbutton = push.getField();
        pushbutton.setAction(PdfAction.javaScript("showState()", writer));
        writer.addAnnotation(pushbutton);

        document.close();
    }

    private static void addRadioButton(PdfWriter writer, Rectangle rect, PdfFormField radio, String name,
            boolean on) throws IOException, DocumentException {
        RadioCheckField check = new RadioCheckField(writer, rect, null, name);
        check.setCheckType(RadioCheckField.TYPE_CHECK);
        check.setBorderColor(Color.BLACK);
        check.setChecked(on);
        radio.addKid(check.getRadioField());
    }

    private static void addCheckbox(PdfWriter writer, Rectangle rect, String name)
            throws IOException, DocumentException {
        RadioCheckField check = new RadioCheckField(writer, rect, name, "On");
        check.setCheckType(RadioCheckField.TYPE_CROSS);
        check.setBorderColor(Color.BLACK);
        writer.addAnnotation(check.getCheckField());
    }

    public static void main(String[] args) {
        try {
            RadioCheckBoxForm radioCheckForm = new RadioCheckBoxForm();
        } catch (Exception e) {
            System.out.println(e);
        }

    }

}