com.prime.report.template.TableHeader.java Source code

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Here is the source code for com.prime.report.template.TableHeader.java

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/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package com.prime.report.template;

import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.ExceptionConverter;
import com.lowagie.text.Font;
import com.lowagie.text.FontFactory;
import com.lowagie.text.Image;
import com.lowagie.text.Phrase;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.ColumnText;
import com.lowagie.text.pdf.PdfPCell;
import com.lowagie.text.pdf.PdfPTable;
import com.lowagie.text.pdf.PdfPageEventHelper;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfWriter;
import java.awt.Color;
import java.io.IOException;
import java.io.Serializable;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.faces.context.FacesContext;
import javax.servlet.ServletContext;

/**
 * Report header template
 *
 * @author prime
 */
public class TableHeader extends PdfPageEventHelper implements Serializable {

    private static final long serialVersionUID = 9196263323752494128L;

    FacesContext facesContext = FacesContext.getCurrentInstance();

    String header;
    PdfTemplate total;

    public void setHeader(String header) {
        this.header = header;
    }

    @Override
    public void onOpenDocument(PdfWriter writer, Document document) {
        total = writer.getDirectContent().createTemplate(30, 16);

    }

    /**
     * Adds a header to every page
     *
     * @param writer
     * @param document
     * @see com.itextpdf.text.pdf.PdfPageEventHelper#onEndPage(
     * com.itextpdf.text.pdf.PdfWriter, com.itextpdf.text.Document)
     */
    @Override
    public void onEndPage(PdfWriter writer, Document document) {

        PdfPTable table = new PdfPTable(4);
        try {
            table.setWidths(new int[] { 10, 11, 9, 1 });
            table.setTotalWidth(527);
            table.setLockedWidth(true);
            table.getDefaultCell().setFixedHeight(20);
            table.getDefaultCell().setBorder(Rectangle.NO_BORDER);

            String logoPath = "/resources/image/logo.png";
            ServletContext servletContext = (ServletContext) facesContext.getExternalContext().getContext();
            String logo = servletContext.getRealPath(logoPath);
            Image img = Image.getInstance(logo);

            table.addCell(Image.getInstance(img));

            table.getDefaultCell().setHorizontalAlignment(Element.ALIGN_CENTER);
            table.addCell(new Phrase("New South West Facility Center",
                    FontFactory.getFont(FontFactory.HELVETICA, 12, Font.BOLDITALIC, Color.BLACK)));
            table.getDefaultCell().setHorizontalAlignment(Element.ALIGN_RIGHT);
            table.addCell(String.format("Page %d of", writer.getPageNumber()));
            PdfPCell cell = new PdfPCell(Image.getInstance(total));
            cell.setBorder(Rectangle.NO_BORDER);
            table.addCell(cell);
            table.writeSelectedRows(0, -1, 34, 803, writer.getDirectContent());
        } catch (DocumentException de) {
            throw new ExceptionConverter(de);
        } catch (IOException ex) {
            Logger.getLogger(TableHeader.class.getName()).log(Level.SEVERE, null, ex);
        }

    }

    /**
     * Fills out the total number of pages before the document is closed.
     *
     * @param writer
     * @param document
     * @see com.itextpdf.text.pdf.PdfPageEventHelper#onCloseDocument(
     * com.itextpdf.text.pdf.PdfWriter, com.itextpdf.text.Document)
     */
    @Override
    public void onCloseDocument(PdfWriter writer, Document document) {
        ColumnText.showTextAligned(total, Element.ALIGN_LEFT,
                new Phrase(String.valueOf(writer.getPageNumber() - 1)), 2, 2, 0);
    }
}