Java tutorial
/* * 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.pdf.PdfWriter; import com.lowagie.text.Element; 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.PdfAnnotation; import com.lowagie.text.pdf.PushbuttonField; import com.lowagie.text.pdf.TextField; import com.lowagie.text.Rectangle; import com.lowagie.text.pdf.PdfPCell; import com.lowagie.text.pdf.PdfPTable; import com.lowagie.text.pdf.PdfPCellEvent; import java.awt.Color; import java.io.FileOutputStream; public class TextFieldForm { public TextFieldForm() throws Exception { Document document = new Document(); PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("TextFieldForm.pdf")); document.open(); PdfPTable table = new PdfPTable(2); table.getDefaultCell().setPadding(5f); // Code 1, will only affect empty field table.setHorizontalAlignment(Element.ALIGN_LEFT); PdfPCell cell; // Code 2, add name TextField table.addCell("Name"); TextField nameField = new TextField(writer, new Rectangle(0, 0, 200, 10), "nameField"); nameField.setBackgroundColor(Color.WHITE); nameField.setBorderColor(Color.BLACK); nameField.setBorderWidth(1); nameField.setBorderStyle(PdfBorderDictionary.STYLE_SOLID); nameField.setText(""); nameField.setAlignment(Element.ALIGN_LEFT); nameField.setOptions(TextField.REQUIRED); cell = new PdfPCell(); cell.setMinimumHeight(10); cell.setCellEvent(new FieldCell(nameField.getTextField(), 200, writer)); table.addCell(cell); // force upper case javascript writer.addJavaScript("var nameField = this.getField('nameField');" + "nameField.setAction('Keystroke'," + "'forceUpperCase()');" + "" + "function forceUpperCase(){" + "if(!event.willCommit)event.change = " + "event.change.toUpperCase();" + "}"); // Code 3, add empty row table.addCell(""); table.addCell(""); // Code 4, add age TextField table.addCell("Age"); TextField ageComb = new TextField(writer, new Rectangle(0, 0, 30, 10), "ageField"); ageComb.setBorderColor(Color.BLACK); ageComb.setBorderWidth(1); ageComb.setBorderStyle(PdfBorderDictionary.STYLE_SOLID); ageComb.setText("12"); ageComb.setAlignment(Element.ALIGN_RIGHT); ageComb.setMaxCharacterLength(2); ageComb.setOptions(TextField.COMB | TextField.DO_NOT_SCROLL); cell = new PdfPCell(); cell.setMinimumHeight(10); cell.setCellEvent(new FieldCell(ageComb.getTextField(), 30, writer)); table.addCell(cell); // validate age javascript writer.addJavaScript("var ageField = this.getField('ageField');" + "ageField.setAction('Validate','checkAge()');" + "function checkAge(){" + "if(event.value < 12){" + "app.alert('Warning! Applicant\\'s age can not" + " be younger than 12.');" + "event.value = 12;" + "}}"); // add empty row table.addCell(""); table.addCell(""); // Code 5, add age TextField table.addCell("Comment"); TextField comment = new TextField(writer, new Rectangle(0, 0, 200, 100), "commentField"); comment.setBorderColor(Color.BLACK); comment.setBorderWidth(1); comment.setBorderStyle(PdfBorderDictionary.STYLE_SOLID); comment.setText(""); comment.setOptions(TextField.MULTILINE | TextField.DO_NOT_SCROLL); cell = new PdfPCell(); cell.setMinimumHeight(100); cell.setCellEvent(new FieldCell(comment.getTextField(), 200, writer)); table.addCell(cell); // check comment characters length javascript writer.addJavaScript("var commentField = " + "this.getField('commentField');" + "commentField" + ".setAction('Keystroke','checkLength()');" + "function checkLength(){" + "if(!event.willCommit && " + "event.value.length > 100){" + "app.alert('Warning! Comment can not " + "be more than 100 characters.');" + "event.change = '';" + "}}"); // add empty row table.addCell(""); table.addCell(""); // Code 6, add submit button PushbuttonField submitBtn = new PushbuttonField(writer, new Rectangle(0, 0, 35, 15), "submitPOST"); submitBtn.setBackgroundColor(Color.GRAY); submitBtn.setBorderStyle(PdfBorderDictionary.STYLE_BEVELED); submitBtn.setText("POST"); submitBtn.setOptions(PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT); PdfFormField submitField = submitBtn.getField(); submitField.setAction(PdfAction.createSubmitForm("http://www.geek-tutorials.com/java/itext/submit.php", null, PdfAction.SUBMIT_HTML_FORMAT)); cell = new PdfPCell(); cell.setMinimumHeight(15); cell.setCellEvent(new FieldCell(submitField, 35, writer)); table.addCell(cell); // Code 7, add reset button PushbuttonField resetBtn = new PushbuttonField(writer, new Rectangle(0, 0, 35, 15), "reset"); resetBtn.setBackgroundColor(Color.GRAY); resetBtn.setBorderStyle(PdfBorderDictionary.STYLE_BEVELED); resetBtn.setText("RESET"); resetBtn.setOptions(PushbuttonField.VISIBLE_BUT_DOES_NOT_PRINT); PdfFormField resetField = resetBtn.getField(); resetField.setAction(PdfAction.createResetForm(null, 0)); cell = new PdfPCell(); cell.setMinimumHeight(15); cell.setCellEvent(new FieldCell(resetField, 35, writer)); table.addCell(cell); document.add(table); document.close(); } class FieldCell implements PdfPCellEvent { PdfFormField formField; PdfWriter writer; int width; public FieldCell(PdfFormField formField, int width, PdfWriter writer) { this.formField = formField; this.width = width; this.writer = writer; } public void cellLayout(PdfPCell cell, Rectangle rect, PdfContentByte[] canvas) { try { // delete cell border PdfContentByte cb = canvas[PdfPTable.LINECANVAS]; cb.reset(); formField.setWidget(new Rectangle(rect.left(), rect.bottom(), rect.left() + width, rect.top()), PdfAnnotation.HIGHLIGHT_NONE); writer.addAnnotation(formField); } catch (Exception e) { System.out.println(e); } } } public static void main(String[] args) { try { TextFieldForm textFieldForm = new TextFieldForm(); } catch (Exception e) { System.out.println(e); } } }