org.revager.export.PDFCellEventExtRef.java Source code

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Here is the source code for org.revager.export.PDFCellEventExtRef.java

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/* 
 * Copyright 2009 Davide Casciato, Sandra Reich, Johannes Wettinger
 * 
 * This file is part of Resi.
 *
 * Resi 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.
 *
 * Resi 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 Resi. If not, see <http://www.gnu.org/licenses/>.
 */
package org.revager.export;

import static org.revager.app.model.Data.translate;

import java.io.File;
import java.io.IOException;

import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfAnnotation;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfPCell;
import com.lowagie.text.pdf.PdfPCellEvent;
import com.lowagie.text.pdf.PdfPTable;
import com.lowagie.text.pdf.PdfWriter;

/**
 * This helper class is for attaching files to a PDF document.
 */
public class PDFCellEventExtRef implements PdfPCellEvent {

    /**
     * The PDF writer.
     */
    private PdfWriter writer = null;

    /**
     * The file to add to the document.
     */
    private File file = null;

    /**
     * Instantiates a new PDF cell event for external references (files).
     * 
     * @param writer
     *            the PDF writer
     * @param file
     *            the file to add to the document
     */
    public PDFCellEventExtRef(PdfWriter writer, File file) {
        this.writer = writer;
        this.file = file;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.lowagie.text.pdf.PdfPCellEvent#cellLayout(com.lowagie.text.pdf.
     * PdfPCell , com.lowagie.text.Rectangle,
     * com.lowagie.text.pdf.PdfContentByte[])
     */
    @Override
    public void cellLayout(PdfPCell cell, Rectangle rect, PdfContentByte[] canvas) {
        PdfContentByte cb = canvas[PdfPTable.LINECANVAS];

        // cb.reset();

        Rectangle attachmentRect = new Rectangle(rect.getLeft() - 25, rect.getTop() - 25,
                rect.getRight() - rect.getWidth() - 40, rect.getTop() - 10);

        String fileDesc = file.getName() + " (" + translate("File Attachment") + ")";

        try {
            PdfAnnotation attachment = PdfAnnotation.createFileAttachment(writer, attachmentRect, fileDesc, null,
                    file.getAbsolutePath(), file.getName());
            writer.addAnnotation(attachment);
        } catch (IOException e) {
            /*
             * just do not add a reference if the file was not found or another
             * error occured.
             */
        }

        // cb.setColorStroke(new GrayColor(0.8f));
        // cb.roundRectangle(rect.getLeft() + 4, rect.getBottom(),
        // rect.getWidth() - 8, rect.getHeight() - 4, 4);

        cb.stroke();
    }

}