Java tutorial
/** * Copyright (C) 2011-2015 The XDocReport Team <xdocreport@googlegroups.com> * * All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package fr.opensagres.xdocreport.itext.extension; import com.lowagie.text.Document; import com.lowagie.text.pdf.PdfPageEventHelper; import com.lowagie.text.pdf.PdfWriter; /** * fixes for pdf conversion by Leszek Piotrowicz <leszekp@safe-mail.net> */ public class ExtendedHeaderFooter extends PdfPageEventHelper { protected final ExtendedDocument document; private IMasterPage masterPage; public ExtendedHeaderFooter(ExtendedDocument document) { this.document = document; } /** * Adds a header/footer to every page * * @see com.itextpdf.text.pdf.PdfPageEventHelper#onEndPage(com.itextpdf.text.pdf.PdfWriter, * com.itextpdf.text.Document) */ public void onStartPage(PdfWriter writer, Document doc) { if (masterPage == null) { masterPage = document.getDefaultMasterPage(); } if (masterPage != null) { // Master page is defined IMasterPageHeaderFooter header = masterPage.getHeader(); IMasterPageHeaderFooter footer = masterPage.getFooter(); // Add header if (header != null) { // compute upper-left corner coordinates float x = document.getOriginMarginLeft(); float y = getHeaderY(header); header.writeSelectedRows(0, -1, x, y, writer.getDirectContentUnder()); } // Add footer if (footer != null) { // compute upper-left corner coordinates float x = document.getOriginMarginLeft(); float y = getFooterY(footer); footer.writeSelectedRows(0, -1, x, y, writer.getDirectContentUnder()); } } } protected float getFooterY(IMasterPageHeaderFooter footer) { return document.getOriginMarginBottom() + footer.getTotalHeight(); } protected float getHeaderY(IMasterPageHeaderFooter header) { return document.getPageSize().getHeight() - document.getOriginMarginTop(); } public void setMasterPage(IMasterPage masterPage) { IMasterPageHeaderFooter header = masterPage.getHeader(); IMasterPageHeaderFooter footer = masterPage.getFooter(); float marginLeft = document.getOriginMarginLeft(); float marginRight = document.getOriginMarginRight(); float marginTop = document.getOriginMarginTop(); if (header != null) { marginTop = adjustMargin(marginTop, header); } float marginBottom = document.getOriginMarginBottom(); if (footer != null) { marginBottom = adjustMargin(marginBottom, footer); } document.setMargins(marginLeft, marginRight, marginTop, marginBottom); this.masterPage = masterPage; } protected float adjustMargin(float margin, IMasterPageHeaderFooter headerFooter) { return margin + headerFooter.getTotalHeight(); } public IMasterPage getMasterPage() { return masterPage; } }