From 6025b6016517c6d898d8957d1d7e03ba71431912 Mon Sep 17 00:00:00 2001 From: tknall Date: Fri, 1 Dec 2006 12:20:24 +0000 Subject: Initial import of release 2.2. git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- .../text/pdf/events/FieldPositioningEvents.java | 186 +++++++++++++++++++++ 1 file changed, 186 insertions(+) create mode 100644 src/main/java/com/lowagie/text/pdf/events/FieldPositioningEvents.java (limited to 'src/main/java/com/lowagie/text/pdf/events/FieldPositioningEvents.java') diff --git a/src/main/java/com/lowagie/text/pdf/events/FieldPositioningEvents.java b/src/main/java/com/lowagie/text/pdf/events/FieldPositioningEvents.java new file mode 100644 index 0000000..144ebcc --- /dev/null +++ b/src/main/java/com/lowagie/text/pdf/events/FieldPositioningEvents.java @@ -0,0 +1,186 @@ +/* + * Copyright 2005 by Bruno Lowagie + * + * The contents of this file are subject to the Mozilla Public License Version 1.1 + * (the "License"); you may not use this file except in compliance with the License. + * You may obtain a copy of the License at http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the License. + * + * The Original Code is 'iText, a free JAVA-PDF library'. + * + * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by + * the Initial Developer are Copyright (C) 1999-2005 by Bruno Lowagie. + * All Rights Reserved. + * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer + * are Copyright (C) 2000-2005 by Paulo Soares. All Rights Reserved. + * + * Contributor(s): all the names of the contributors are added in the source code + * where applicable. + * + * Alternatively, the contents of this file may be used under the terms of the + * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the + * provisions of LGPL are applicable instead of those above. If you wish to + * allow use of your version of this file only under the terms of the LGPL + * License and not to allow others to use your version of this file under + * the MPL, indicate your decision by deleting the provisions above and + * replace them with the notice and other provisions required by the LGPL. + * If you do not delete the provisions above, a recipient may use your version + * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE. + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the MPL as stated above or under the terms of the GNU + * Library General Public License as published by the Free Software Foundation; + * either version 2 of the License, or 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 Library general Public License for more + * details. + * + * If you didn't download this code from the following link, you should check if + * you aren't using an obsolete version: + * http://www.lowagie.com/iText/ + */ +package com.lowagie.text.pdf.events; + +import java.io.IOException; +import java.util.HashMap; + +import com.lowagie.text.Document; +import com.lowagie.text.DocumentException; +import com.lowagie.text.ExceptionConverter; +import com.lowagie.text.Rectangle; +import com.lowagie.text.pdf.PdfContentByte; +import com.lowagie.text.pdf.PdfFormField; +import com.lowagie.text.pdf.PdfName; +import com.lowagie.text.pdf.PdfPCell; +import com.lowagie.text.pdf.PdfPCellEvent; +import com.lowagie.text.pdf.PdfPageEventHelper; +import com.lowagie.text.pdf.PdfRectangle; +import com.lowagie.text.pdf.PdfWriter; +import com.lowagie.text.pdf.TextField; + +/** + * Class for an index. + * + * @author Michael Niedermair + */ +public class FieldPositioningEvents extends PdfPageEventHelper implements PdfPCellEvent { + + /** + * Keeps a map with fields that are to be positioned in inGenericTag. + */ + protected HashMap genericChunkFields = new HashMap(); + + /** + * Keeps the form field that is to be positioned in a cellLayout event. + */ + protected PdfFormField cellField = null; + + /** + * The PdfWriter to use when a field has to added in a cell event. + */ + protected PdfWriter fieldWriter = null; + /** + * The PdfFormField that is the parent of the field added in a cell event. + */ + protected PdfFormField parent = null; + + /** Creates a new event. This constructor will be used if you need to position fields with Chunk objects. */ + public FieldPositioningEvents() {} + + /** Some extra padding that will be taken into account when defining the widget. */ + public float padding; + + /** + * Add a PdfFormField that has to be tied to a generic Chunk. + */ + public void addField(String text, PdfFormField field) { + genericChunkFields.put(text, field); + } + + /** Creates a new event. This constructor will be used if you need to position fields with a Cell Event. */ + public FieldPositioningEvents(PdfWriter writer, PdfFormField field) { + this.cellField = field; + this.fieldWriter = writer; + } + + /** Creates a new event. This constructor will be used if you need to position fields with a Cell Event. */ + public FieldPositioningEvents(PdfFormField parent, PdfFormField field) { + this.cellField = field; + this.parent = parent; + } + + /** Creates a new event. This constructor will be used if you need to position fields with a Cell Event. + * @throws DocumentException + * @throws IOException*/ + public FieldPositioningEvents(PdfWriter writer, String text) throws IOException, DocumentException { + this.fieldWriter = writer; + TextField tf = new TextField(writer, new Rectangle(0, 0), text); + tf.setFontSize(14); + cellField = tf.getTextField(); + } + + /** Creates a new event. This constructor will be used if you need to position fields with a Cell Event. + * @throws DocumentException + * @throws IOException*/ + public FieldPositioningEvents(PdfWriter writer, PdfFormField parent, String text) throws IOException, DocumentException { + this.parent = parent; + TextField tf = new TextField(writer, new Rectangle(0, 0), text); + tf.setFontSize(14); + cellField = tf.getTextField(); + } + + /** + * @param padding The padding to set. + */ + public void setPadding(float padding) { + this.padding = padding; + } + + /** + * @param parent The parent to set. + */ + public void setParent(PdfFormField parent) { + this.parent = parent; + } + /** + * @see com.lowagie.text.pdf.PdfPageEvent#onGenericTag(com.lowagie.text.pdf.PdfWriter, com.lowagie.text.Document, com.lowagie.text.Rectangle, java.lang.String) + */ + public void onGenericTag(PdfWriter writer, Document document, + Rectangle rect, String text) { + rect.setBottom(rect.bottom() - 3); + PdfFormField field = (PdfFormField) genericChunkFields.get(text); + if (field == null) { + TextField tf = new TextField(writer, new Rectangle(rect.left(padding), rect.bottom(padding), rect.right(padding), rect.top(padding)), text); + tf.setFontSize(14); + try { + field = tf.getTextField(); + } catch (Exception e) { + throw new ExceptionConverter(e); + } + } + else { + field.put(PdfName.RECT, new PdfRectangle(rect.left(padding), rect.bottom(padding), rect.right(padding), rect.top(padding))); + } + if (parent == null) + writer.addAnnotation(field); + else + parent.addKid(field); + } + + /** + * @see com.lowagie.text.pdf.PdfPCellEvent#cellLayout(com.lowagie.text.pdf.PdfPCell, com.lowagie.text.Rectangle, com.lowagie.text.pdf.PdfContentByte[]) + */ + public void cellLayout(PdfPCell cell, Rectangle rect, PdfContentByte[] canvases) { + if (cellField == null || (fieldWriter == null && parent == null)) throw new ExceptionConverter(new IllegalArgumentException("You have used the wrong constructor for this FieldPositioningEvents class.")); + cellField.put(PdfName.RECT, new PdfRectangle(rect.left(padding), rect.bottom(padding), rect.right(padding), rect.top(padding))); + if (parent == null) + fieldWriter.addAnnotation(cellField); + else + parent.addKid(cellField); + } +} \ No newline at end of file -- cgit v1.2.3