[displaytag-cvs] displaytag/src/main/java/org/displaytag/export DefaultItextExportView.java,NONE,1.1

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Update of /cvsroot/displaytag/displaytag/src/main/java/org/displaytag/export
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv18315/src/main/java/org/displaytag/export

Modified Files:
	ExportViewFactory.java 
Added Files:
	DefaultItextExportView.java DefaultRtfExportView.java 
	DefaultPdfExportView.java 
Log Message:
committing DISPL-245 WYSIWYG Exports - from Jorge L. Barroso + some changes and fixes

--- NEW FILE: DefaultItextExportView.java ---
/**
 * Licensed under the Artistic License; you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://displaytag.sourceforge.net/license.html
 *
 * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */
package org.displaytag.export;

import java.io.OutputStream;

import javax.servlet.jsp.JspException;

import org.displaytag.Messages;
import org.displaytag.exception.BaseNestableJspTagException;
import org.displaytag.exception.SeverityEnum;
import org.displaytag.model.TableModel;
import org.displaytag.render.ItextTableWriter;

import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.PageSize;
import com.lowagie.text.Table;

/**
 * Exporter using iText: subclasses export to any of the iText document types, such as PDF and RTF.
 * @author Jorge L. Barroso
 * @version $Revision$ ($Author$)
 */
public abstract class DefaultItextExportView implements BinaryExportView
{

    /**
     * TableModel to render.
     */
    private TableModel model;

    /**
     * @see org.displaytag.export.ExportView#setParameters(TableModel, boolean, boolean, boolean)
     */
    public void setParameters(TableModel tableModel, boolean exportFullList, boolean includeHeader,
        boolean decorateValues)
    {
        this.model = tableModel;
    }

    /**
     * @see org.displaytag.export.BaseExportView#getMimeType() Meant to be overwritten by subclasses.
     * @return null
     */
    public String getMimeType()
    {
        return null;
    }

    /**
     * @see org.displaytag.export.BinaryExportView#doExport(OutputStream)
     */
    public void doExport(OutputStream out) throws JspException
    {
        try
        {
            Document document = new Document(PageSize.A4.rotate(), 60, 60, 40, 40);
            this.initItextWriter(document, out);
            document.open();
            Table table = new Table(this.model.getNumberOfColumns());
            ItextTableWriter writer = new ItextTableWriter(table, document);
            writer.writeTable(this.model, "-1");
            document.add(table);
            document.close();
        }
        catch (Exception e)
        {
            throw new ItextGenerationException(e);
        }
    }

    /**
     * Initializes the iText writer used by export view to write iText document, such as PDF or RTF iText writer.
     * @param document The iText document to be written.
     * @param out The output stream to which the document is written.
     * @throws DocumentException If something goes wrong during initialization.
     */
    protected abstract void initItextWriter(Document document, OutputStream out) throws DocumentException;

    /**
     * Wraps iText-generated exceptions.
     * @author Fabrizio Giustina
     * @version $Revision$ ($Author$)
     */
    static class ItextGenerationException extends BaseNestableJspTagException
    {

        /**
         * D1597A17A6.
         */
        private static final long serialVersionUID = 899149338534L;

        /**
         * Instantiate a new PdfGenerationException with a fixed message and the given cause.
         * @param cause Previous exception
         */
        public ItextGenerationException(Throwable cause)
        {
            super(DefaultItextExportView.class, Messages.getString("DefaultItextExportView.errorexporting"), cause); //$NON-NLS-1$
            this.initCause(cause);
        }

        /**
         * @see org.displaytag.exception.BaseNestableJspTagException#getSeverity()
         */
        public SeverityEnum getSeverity()
        {
            return SeverityEnum.ERROR;
        }
    }
}

--- NEW FILE: DefaultPdfExportView.java ---
/**
 * Licensed under the Artistic License; you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://displaytag.sourceforge.net/license.html
 *
 * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */
package org.displaytag.export;

import java.io.IOException;
import java.io.OutputStream;

import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfPTable;
import com.lowagie.text.pdf.PdfPageEventHelper;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfWriter;

/**
 * PDF exporter using iText.
 * @author Jorge L. Barroso
 * @version $Revision$ ($Author$)
 */
public class DefaultPdfExportView extends DefaultItextExportView
{

    /**
     * @see org.displaytag.export.BaseExportView#getMimeType()
     * @return "application/pdf"
     */
    public String getMimeType()
    {
        return "application/pdf"; //$NON-NLS-1$
    }

    /**
     * Initializes the PDF writer this export view uses to write the table document.
     * @param document The iText document to be written.
     * @param out The output stream to which the document is written.
     * @throws DocumentException If something goes wrong during initialization.
     */
    protected void initItextWriter(Document document, OutputStream out) throws DocumentException
    {
        PdfWriter.getInstance(document, out).setPageEvent(new PageNumber());
    }

    /**
     * Prints a page number at the bottom of each page. Based on
     * http://itextdocs.lowagie.com/examples/com/lowagie/examples/directcontent/pageevents/PageNumbersWatermark.java
     * @author Jorge L. Barroso
     * @version $Revision$ ($Author$)
     */
    private static class PageNumber extends PdfPageEventHelper
    {

        /**
         * @see com.lowagie.text.pdf.PdfPageEventHelper#onEndPage(com.lowagie.text.pdf.PdfWriter,
         * com.lowagie.text.Document)
         */
        public void onEndPage(PdfWriter writer, Document document)
        {
            /** The headertable. */
            PdfPTable table = new PdfPTable(2);
            /** A template that will hold the total number of pages. */
            PdfTemplate tpl = writer.getDirectContent().createTemplate(100, 100);
            /** The font that will be used. */
            BaseFont helv = null;
            try
            {
                helv = BaseFont.createFont("Helvetica", BaseFont.WINANSI, false);
            }
            catch (DocumentException e)
            {
            }
            catch (IOException e)
            {
            }
            PdfContentByte cb = writer.getDirectContent();
            cb.saveState();
            // write the headertable
            table.setTotalWidth(document.right() - document.left());
            table.writeSelectedRows(0, -1, document.left(), document.getPageSize().height() - 50, cb);
            // compose the footer
            String text = "Page " + writer.getPageNumber();
            float textSize = helv.getWidthPoint(text, 12);
            float textBase = document.bottom() - 20;
            cb.beginText();
            cb.setFontAndSize(helv, 12);
            float adjust = helv.getWidthPoint("0", 12);
            cb.setTextMatrix(document.right() - textSize - adjust, textBase);
            cb.showText(text);
            cb.endText();
            cb.addTemplate(tpl, document.right() - adjust, textBase);
            cb.saveState();
        }
    }
}

Index: ExportViewFactory.java
===================================================================
RCS file: /cvsroot/displaytag/displaytag/src/main/java/org/displaytag/export/ExportViewFactory.java,v
retrieving revision 1.13
retrieving revision 1.14
diff -C2 -d -r1.13 -r1.14
*** ExportViewFactory.java	10 Dec 2004 22:46:58 -0000	1.13
--- ExportViewFactory.java	16 Oct 2005 20:34:37 -0000	1.14
***************
*** 104,108 ****
          {
              log.warn(Messages.getString("ExportViewFactory.noclassdef" //$NON-NLS-1$
!                 , new Object[]{name, viewClassName, e.getMessage()}));
              return;
          }
--- 104,109 ----
          {
              log.warn(Messages.getString("ExportViewFactory.noclassdef" //$NON-NLS-1$
!                 ,
!                 new Object[]{name, viewClassName, e.getMessage()}));
              return;
          }
***************
*** 127,131 ****
          {
              log.warn(Messages.getString("ExportViewFactory.noclassdef" //$NON-NLS-1$
!                 , new Object[]{name, viewClassName, e.getMessage()}));
              return;
          }
--- 128,133 ----
          {
              log.warn(Messages.getString("ExportViewFactory.noclassdef" //$NON-NLS-1$
!                 ,
!                 new Object[]{name, viewClassName, e.getMessage()}));
              return;
          }

--- NEW FILE: DefaultRtfExportView.java ---
/**
 * Licensed under the Artistic License; you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://displaytag.sourceforge.net/license.html
 *
 * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

package org.displaytag.export;

import java.io.OutputStream;

import com.lowagie.text.Document;
import com.lowagie.text.rtf.RtfWriter2;

/**
 * RTF exporter using iText.
 * @author Jorge L. Barroso
 * @version $Revision$ ($Author$)
 */
public class DefaultRtfExportView extends DefaultItextExportView
{

    /**
     * @see org.displaytag.export.BaseExportView#getMimeType()
     * @return "application/rtf"
     */
    public String getMimeType()
    {
        return "application/rtf"; //$NON-NLS-1$
    }

    /**
     * Initializes the RTF writer this export view uses to write the table document.
     * @param document The iText document to be written.
     * @param out The output stream to which the document is written.
     */
    protected void initItextWriter(Document document, OutputStream out)
    {
        RtfWriter2.getInstance(document, out);
    }
}

[displaytag-cvs] displaytag/src/main/java/org/displaytag/export DefaultItextExportView.java,NONE,1.1

[displaytag-cvs] displaytag/src/main/java/org/displaytag/export DefaultItextExportView.java,NONE,1.1 DefaultRtfExportView.java,NONE,1.1 DefaultPdfExportView.java,NONE,1.1 ExportViewFactory.java,1.13,1.14