Examples with PageDetails org.jaffa.modules.printing.services.FormPrintEngine.PageDetails used on opensource projects

Example 1 with PageDetails

use of org.jaffa.modules.printing.services.FormPrintEngine.PageDetails in project jaffa-framework by jaffa-projects.

the class FormPrintEnginePdfLib method parseTemplatePages.

/**
 * Process the template and do the following
 * <ol>
 * <li>Throw errors if there is something wrong with the template (in getTemplateName())
 * <li>Determine to the total numer of pages in the template
 *    (The template should have at least one page)
 * <li>Populate an array where each template page should have one entry in it.
 *    Each entry will a PageDetails object, containing a list of fields
 *    on the page, and a list of repeating entities.
 * </ol>
 * @throws FormPrintException Thrown if there is an error parsing the template pdf
 * @return This returns a List of PageDetails objects which contain data about each page.
 * It is assumed that the size of the list indicated the number of pages in
 * the template document being used
 */
protected List parseTemplatePages() throws FormPrintException {
    if (log.isDebugEnabled())
        log.debug("Load the Template - " + getTemplateName());
    try {
        // Load Template Page, will look in search path relative to bin folder
        m_pdfTemplate = m_pdf.open_pdi(getTemplateName(), "", 0);
        if (m_pdfTemplate == -1) {
            log.error("Loading Base PDF (" + getTemplateName() + ") : " + m_pdf.get_errmsg());
            throw new PDFlibException("Error: " + m_pdf.get_errmsg());
        }
        // Set document properties
        m_pdf.set_info("Creator", "From Template " + getTemplateName());
        m_pdf.set_info("Author", "AuRA4D");
        // Load referenced fonts
        m_pdf.load_font(DEFAULT_FONT, "winansi", "");
        // Find out how many pages are in the template.
        int templatePages = 0;
        for (; m_pdf.open_pdi_page(m_pdfTemplate, templatePages + 1, "") != -1; templatePages++) ;
        if (log.isDebugEnabled())
            log.debug("Template '" + getTemplateName() + "' has " + templatePages + " page(s)");
        // Error if the template has no pages!!!
        if (templatePages == 0) {
            log.error("Template Form " + getTemplateName() + " has no pages!");
            throw new EngineProcessingException("Template Form " + getTemplateName() + " has no pages!");
        }
        ArrayList pageData = new ArrayList();
        for (int templatePage = 0; templatePage < templatePages; templatePage++) {
            PageDetails page = new PageDetails();
            pageData.add(page);
            // Now get the names of all the fields on the form.
            if (log.isDebugEnabled())
                log.debug("Read the field names from template page " + (templatePage + 1) + " of " + templatePages);
            // Get total number of Blocks on page
            int blockCount = (int) m_pdf.get_pdi_value("vdp/blockcount", m_pdfTemplate, templatePage, 0);
            if (log.isDebugEnabled())
                log.debug("   Field Count = " + blockCount);
            for (int i = 0; i < blockCount; i++) {
                String name = m_pdf.get_pdi_parameter("vdp/Blocks[" + i + "]/Name", m_pdfTemplate, templatePage, 0);
                if (log.isDebugEnabled())
                    log.debug("    " + i + ") " + name);
                page.fieldList.add(name);
            /* @TODO We could do something here like
                          get_pdi_parameter("vdp/Blocks["+i+"]/SampleData",...
                       to get a value from PDFlib to use as sample data in the
                       new DomValue() in template mode...
                     */
            }
        }
        // Return the created template data
        return pageData;
    } catch (PDFlibException e) {
        log.error("PDFlibException: " + m_pdf.get_errmsg());
        throw new EngineProcessingException(m_pdf.get_errmsg());
    }
}