de.jost_net.JVerein.io.HeaderFooter.java Source code

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Here is the source code for de.jost_net.JVerein.io.HeaderFooter.java

Source

package de.jost_net.JVerein.io;

/**********************************************************************
 * Copyright (c) by Heiner Jostkleigrewe
 * This program is free software: you can redistribute it and/or modify it under the terms of the 
 * GNU General Public License as published by the Free Software Foundation, either version 3 of the 
 * License, or (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program.  If not, 
 * see <http://www.gnu.org/licenses/>.
 * 
 * heiner@jverein.de
 * www.jverein.de
 **********************************************************************/

import com.itextpdf.text.BaseColor;
import com.itextpdf.text.Document;
import com.itextpdf.text.Element;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.ColumnText;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPageEventHelper;
import com.itextpdf.text.pdf.PdfWriter;

/**
 * Ersatz fr die HeaderFooter-Klasse, die es bis iText 1.x gab. Wird zur Zeit
 * nur fr den Footer gebraucht.
 */
class HeaderFooter extends PdfPageEventHelper {

    String footer = null;

    int pagenumber;

    /**
     * 
     * @see com.itextpdf.text.pdf.PdfPageEventHelper#onOpenDocument(com.itextpdf.text.pdf.PdfWriter,
     *      com.itextpdf.text.Document)
     */
    @Override
    public void onOpenDocument(PdfWriter writer, Document document) {
        //
    }

    @Override
    public void onChapter(PdfWriter writer, Document document, float paragraphPosition, Paragraph title) {
        //
    }

    /**
     * Increase the page number.
     */
    @Override
    public void onStartPage(PdfWriter writer, Document document) {
        pagenumber++;
    }

    public void setFooter(String footer) {
        this.footer = footer;
    }

    /**
     * Adds the header and the footer.
     * 
     */
    @Override
    public void onEndPage(PdfWriter writer, Document document) {
        Rectangle rect = document.getPageSize();
        switch (writer.getPageNumber() % 2) {
        case 0:
            // ColumnText.showTextAligned(writer.getDirectContent(),
            // Element.ALIGN_RIGHT, header[0], rect.getRight(), rect.getTop(), 0);
            break;
        case 1:
            // ColumnText.showTextAligned(writer.getDirectContent(),
            // Element.ALIGN_LEFT,
            // header[1], rect.getLeft(), rect.getTop(), 0);
            break;
        }
        float left = rect.getLeft() + document.leftMargin();
        float right = rect.getRight() - document.rightMargin();
        float bottom = rect.getBottom() + document.bottomMargin();
        PdfContentByte pc = writer.getDirectContent();
        pc.setColorStroke(BaseColor.BLACK);
        pc.setLineWidth(0.5f);
        pc.moveTo(left, bottom - 5);
        pc.lineTo(right, bottom - 5);
        pc.stroke();
        pc.moveTo(left, bottom - 25);
        pc.lineTo(right, bottom - 25);
        pc.stroke();

        ColumnText.showTextAligned(pc, Element.ALIGN_CENTER,
                new Phrase(footer + " " + pagenumber, Reporter.getFreeSans(7)), (left + right) / 2, bottom - 18, 0);
    }
}