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Diffstat (limited to 'src/main/java/com/lowagie/text/pdf/events/FieldPositioningEvents.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/pdf/events/FieldPositioningEvents.java | 186 |
1 files changed, 186 insertions, 0 deletions
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);
+ }
+}
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