fr.opensagres.xdocreport.itext.extension.ExtendedHeaderFooter Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of fr.opensagres.xdocreport.itext.extension Show documentation
The newest version!
/**
 * Copyright (C) 2011 Angelo Zerr  and Pascal Leclercq 
 *
 * 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 java.util.LinkedList;

import com.lowagie.text.Document;
import com.lowagie.text.pdf.PdfPageEventHelper;
import com.lowagie.text.pdf.PdfWriter;

public class ExtendedHeaderFooter extends PdfPageEventHelper {

	private final LinkedList masterPagesStack = new LinkedList();
	private final ExtendedDocument document;

	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) {
		MasterPage masterPage = null;
		if (!masterPagesStack.isEmpty()) {
			masterPage = masterPagesStack.removeLast();
		}

		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) {
				float y = document.getPageSize().getHeight();

				header.writeSelectedRows(0, -1, 0, y,
						writer.getDirectContentUnder());
			}

			// Add footer

			if (footer != null) {
				float y = footer.getTotalHeight();
				footer.writeSelectedRows(0, -1, 0, y,
						writer.getDirectContentUnder());
			}
		}
	}

	public void setMasterPage(MasterPage 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 += header.getTotalHeight();
		}
		float marginBottom = document.getOriginMarginBottom();
		if (footer != null) {
			marginBottom += footer.getTotalHeight();
		}
		document.setMargins(marginLeft, marginRight, marginTop, marginBottom);

		this.masterPagesStack.addFirst(masterPage);
	}

}