public function to_html($format = null, $addstr = null)
{
global $CFG, $COURSE, $OUTPUT, $USER;
if (!$this->is_renderable()) {
return;
}
if (empty($this->callbackclass) || empty($this->callbackfile)) {
throw new portfolio_button_exception('mustsetcallbackoptions', 'portfolio');
}
if (empty($this->formats)) {
// use the caller defaults
$this->set_formats();
}
$url = new moodle_url('/portfolio/add.php');
foreach ($this->callbackargs as $key => $value) {
if (!empty($value) && !is_string($value) && !is_numeric($value)) {
$a = new stdClass();
$a->key = $key;
$a->value = print_r($value, true);
debugging(get_string('nonprimative', 'portfolio', $a));
return;
}
$url->param('ca_' . $key, $value);
}
$url->param('sesskey', sesskey());
$url->param('callbackfile', $this->callbackfile);
$url->param('callbackclass', $this->callbackclass);
$url->param('course', !empty($COURSE) ? $COURSE->id : 0);
$url->param('callerformats', implode(',', $this->formats));
$mimetype = null;
if ($this->file instanceof stored_file) {
$mimetype = $this->file->get_mimetype();
} else {
if ($this->intendedmimetype) {
$mimetype = $this->intendedmimetype;
}
}
$selectoutput = '';
if (count($this->instances) == 1) {
$tmp = array_values($this->instances);
$instance = $tmp[0];
$formats = portfolio_supported_formats_intersect($this->formats, $instance->supported_formats());
if (count($formats) == 0) {
// bail. no common formats.
//debugging(get_string('nocommonformats', 'portfolio', (object)array('location' => $this->callbackclass, 'formats' => implode(',', $this->formats))));
return;
}
if ($error = portfolio_instance_sanity_check($instance)) {
// bail, plugin is misconfigured
//debugging(get_string('instancemisconfigured', 'portfolio', get_string($error[$instance->get('id')], 'portfolio_' . $instance->get('plugin'))));
return;
}
if (!$instance->allows_multiple_exports() && ($already = portfolio_existing_exports($USER->id, $instance->get('plugin')))) {
//debugging(get_string('singleinstancenomultiallowed', 'portfolio'));
return;
}
if ($mimetype && !$instance->file_mime_check($mimetype)) {
// bail, we have a specific file or mimetype and this plugin doesn't support it
//debugging(get_string('mimecheckfail', 'portfolio', (object)array('plugin' => $instance->get('plugin'), 'mimetype' => $mimetype)));
return;
}
$url->param('instance', $instance->get('id'));
} else {
if (!($selectoutput = portfolio_instance_select($this->instances, $this->formats, $this->callbackclass, $mimetype, 'instance', true))) {
return;
}
}
// if we just want a url to redirect to, do it now
if ($format == PORTFOLIO_ADD_FAKE_URL) {
return $url->out(false);
}
if (empty($addstr)) {
$addstr = get_string('addtoportfolio', 'portfolio');
}
if (empty($format)) {
$format = PORTFOLIO_ADD_FULL_FORM;
}
$formoutput = '<form method="post" action="' . $CFG->wwwroot . '/portfolio/add.php" id="portfolio-add-button">' . "\n";
$formoutput .= html_writer::input_hidden_params($url);
$linkoutput = '<a class="portfolio-add-link" title="' . $addstr . '" href="' . $url->out();
switch ($format) {
case PORTFOLIO_ADD_FULL_FORM:
$formoutput .= $selectoutput;
$formoutput .= "\n" . '<input type="submit" value="' . $addstr . '" />';
$formoutput .= "\n" . '</form>';
break;
case PORTFOLIO_ADD_ICON_FORM:
$formoutput .= $selectoutput;
$formoutput .= "\n" . '<input class="portfolio-add-icon" type="image" src="' . $OUTPUT->pix_url('t/portfolioadd') . '" alt=' . $addstr . '" />';
$formoutput .= "\n" . '</form>';
break;
case PORTFOLIO_ADD_ICON_LINK:
$linkoutput .= '"><img class="portfolio-add-icon" src="' . $OUTPUT->pix_url('t/portfolioadd') . '" alt="' . $addstr . '" /></a>';
break;
case PORTFOLIO_ADD_TEXT_LINK:
$linkoutput .= '">' . $addstr . '</a>';
break;
default:
debugging(get_string('invalidaddformat', 'portfolio', $format));
}
$output = in_array($format, array(PORTFOLIO_ADD_FULL_FORM, PORTFOLIO_ADD_ICON_FORM)) ? $formoutput : $linkoutput;
return $output;
}
/**
* Verifies a rewoken object.
* Checks to make sure it belongs to the same user and session as is currently in use.
*
* @param bool $readonly if we're reawakening this for a user to just display in the log view, don't verify the sessionkey
* @throws portfolio_exception
*/
public function verify_rewaken($readonly = false)
{
global $USER, $CFG;
if ($this->get('user')->id != $USER->id) {
// make sure it belongs to the right user
throw new portfolio_exception('notyours', 'portfolio');
}
if (!$readonly && $this->get('instance') && !$this->get('instance')->allows_multiple_exports()) {
$already = portfolio_existing_exports($this->get('user')->id, $this->get('instance')->get('plugin'));
$already = array_keys($already);
if (array_shift($already) != $this->get('id')) {
$a = (object) array('plugin' => $this->get('instance')->get('plugin'), 'link' => $CFG->wwwroot . '/user/portfoliologs.php');
throw new portfolio_exception('nomultipleexports', 'portfolio', '', $a);
}
}
if (!$this->caller->check_permissions()) {
// recall the caller permission check
throw new portfolio_caller_exception('nopermissions', 'portfolio', $this->caller->get_return_url());
}
}