/**
* Form definition.
*/
public function definition()
{
$mform =& $this->_form;
$element = $this->_customdata['element'];
// Add the field for the name of the element, this is required for all elements.
$mform->addElement('text', 'name', get_string('elementname', 'customcert'));
$mform->setType('name', PARAM_TEXT);
$mform->setDefault('name', get_string('pluginname', 'customcertelement_' . $element->element));
$mform->addRule('name', get_string('required'), 'required', null, 'client');
$mform->addHelpButton('name', 'elementname', 'customcert');
$this->element = customcert_get_element_instance($element);
$this->element->render_form_elements($mform);
$this->add_action_buttons(true);
}
$style = 'height: ' . $page->height . 'mm; line-height: normal;';
if ($page->margin) {
$style .= 'width: ' . ($page->width - $page->margin) . 'mm;';
$style .= 'background-image: url(' . new moodle_url('/mod/customcert/pix/dash') . ');';
$style .= 'background-repeat: repeat-y;';
$style .= 'background-position-x: ' . ($page->width - $page->margin) . 'mm;';
$style .= 'padding-right: ' . $page->margin . 'mm;';
} else {
$style .= 'width: ' . $page->width . 'mm;';
}
// Create the div that represents the PDF.
$html .= html_writer::start_tag('div', array('id' => 'pdf', 'style' => $style));
if ($elements) {
foreach ($elements as $element) {
// Get an instance of the element class.
if ($e = customcert_get_element_instance($element)) {
switch ($element->refpoint) {
case CUSTOMCERT_REF_POINT_TOPRIGHT:
$class = 'element refpoint-right';
break;
case CUSTOMCERT_REF_POINT_TOPCENTER:
$class = 'element refpoint-center';
break;
case CUSTOMCERT_REF_POINT_TOPLEFT:
default:
$class = 'element refpoint-left';
}
$html .= html_writer::tag('div', $e->render_html(), array('class' => $class, 'id' => 'element-' . $element->id));
}
}
}
/**
* Given an ID of an instance of this module,
* this function will permanently delete the instance
* and any data that depends on it.
*
* @param int $id
* @return bool true if successful
*/
function customcert_delete_instance($id)
{
global $CFG, $DB;
// Ensure the customcert exists.
if (!$DB->get_record('customcert', array('id' => $id))) {
return false;
}
// Get the course module as it is used when deleting files.
if (!($cm = get_coursemodule_from_instance('customcert', $id))) {
return false;
}
// Delete the customcert instance.
if (!$DB->delete_records('customcert', array('id' => $id))) {
return false;
}
// Delete the elements.
$sql = "SELECT e.*\n FROM {customcert_elements} e\n INNER JOIN {customcert_pages} p\n ON e.pageid = p.id\n WHERE p.customcertid = :customcertid";
if ($elements = $DB->get_records_sql($sql, array('customcertid' => $id))) {
require_once $CFG->dirroot . '/mod/customcert/locallib.php';
foreach ($elements as $element) {
// Get an instance of the element class.
if ($e = customcert_get_element_instance($element)) {
$e->delete_element();
} else {
// The plugin files are missing, so just remove the entry from the DB.
$DB->delete_records('customcert_elements', array('id' => $element->id));
}
}
}
// Delete the pages.
if (!$DB->delete_records('customcert_pages', array('customcertid' => $id))) {
return false;
}
// Delete the customcert issues.
if (!$DB->delete_records('customcert_issues', array('customcertid' => $id))) {
return false;
}
// Delete any files associated with the customcert.
$context = context_module::instance($cm->id);
$fs = get_file_storage();
$fs->delete_area_files($context->id);
return true;
}
/**
* This function is called after all the activities in the backup have been restored. This allows us to get
* the new course module ids, as they may have been restored after the customcert module, meaning no id
* was available at the time.
*/
public function after_restore()
{
global $CFG, $DB;
require_once $CFG->dirroot . '/mod/customcert/locallib.php';
// Get the customcert elements.
$sql = "SELECT e.*\n FROM {customcert_elements} e\n INNER JOIN {customcert_pages} p\n ON e.pageid = p.id\n INNER JOIN {customcert} c\n ON p.customcertid = c.id\n WHERE c.id = :customcertid";
if ($elements = $DB->get_records_sql($sql, array('customcertid' => $this->get_activityid()))) {
// Go through the elements for the certificate.
foreach ($elements as $e) {
// Get an instance of the element class.
if ($e = customcert_get_element_instance($e)) {
$e->after_restore($this);
}
}
}
}
/**
* Generate the PDF for the specified customcert and user.
*
* @param stdClass $customcert
* @param bool $preview true if it is a preview, false otherwise
*/
function customcert_generate_pdf($customcert, $preview = false)
{
global $CFG, $DB;
require_once $CFG->libdir . '/pdflib.php';
// Get the pages for the customcert, there should always be at least one page for each customcert.
if ($pages = $DB->get_records('customcert_pages', array('customcertid' => $customcert->id), 'pagenumber ASC')) {
// Create the pdf object.
$pdf = new pdf();
if (!empty($customcert->protection)) {
$protection = explode(', ', $customcert->protection);
$pdf->SetProtection($protection);
}
$pdf->setPrintHeader(false);
$pdf->setPrintFooter(false);
$pdf->SetTitle($customcert->name);
$pdf->SetAutoPageBreak(true, 0);
// Remove full-stop at the end, if it exists, to avoid "..pdf" being created and being filtered by clean_filename.
$filename = rtrim($customcert->name, '.');
$filename = clean_filename($filename . '.pdf');
// Loop through the pages and display their content.
foreach ($pages as $page) {
// Add the page to the PDF.
if ($page->width > $page->height) {
$orientation = 'L';
} else {
$orientation = 'P';
}
$pdf->AddPage($orientation, array($page->width, $page->height));
$pdf->SetMargins(0, 0, $page->margin);
// Get the elements for the page.
if ($elements = $DB->get_records('customcert_elements', array('pageid' => $page->id), 'sequence ASC')) {
// Loop through and display.
foreach ($elements as $element) {
// Get an instance of the element class.
if ($e = customcert_get_element_instance($element)) {
$e->render($pdf, $preview);
}
}
}
}
$pdf->Output($filename, 'D');
}
}
