/**
* Returns the view html to display.
*
* @param array $options An array of display options
* @return string HTML fragment
*/
public function display(array $options = array())
{
$this->selection = $this->param4 ? $this->param4 : 0;
$this->interval = $this->param5 ? $this->param5 : 0;
$this->custom = $this->param6 ? $this->param6 : 0;
$this->resetnext = $this->param8 ? $this->param8 : 100;
$this->page = $this->filter->page;
$this->filter->selection = $this->selection;
// Set or clean up cache according to interval.
if (!$this->interval and $this->param7) {
$this->param7 = null;
$this->update($this->data);
}
// Check if view is caching.
if ($this->interval) {
$filteroptions = $this->get_cache_filter_options();
foreach ($filteroptions as $option => $value) {
$this->filter->{$option} = $value;
}
if (!($entriesset = $this->get_cache_content())) {
$entriesset = $this->entry_manager->fetch_entries(array('filter' => $this->filter));
$this->update_cache_content($entriesset);
$this->filter->page = $entriesset->page;
}
$options['entriesset'] = $entriesset;
}
return parent::display($options);
}
/**
* Serves the dataformview_grid template files.
*
* @param object $course
* @param object $cm
* @param object $context
* @param string $filearea
* @param array $args
* @param bool $forcedownload
* @return bool false if file not found, does not return if found - justsend the file
*/
function dataformview_grid_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload)
{
if (!in_array($filearea, dataformview_grid_grid::get_file_areas())) {
return false;
}
if ($context->contextlevel == CONTEXT_MODULE) {
require_course_login($course, true, $cm);
$viewid = (int) array_shift($args);
$dataformid = $cm->instance;
// Confirm user access.
$params = array('dataformid' => $dataformid, 'viewid' => $viewid);
if (!mod_dataform\access\view_access::validate($params)) {
return false;
}
$relativepath = implode('/', $args);
$fullpath = "/{$context->id}/dataformview_grid/{$filearea}/{$viewid}/{$relativepath}";
$fs = get_file_storage();
if (!($file = $fs->get_file_by_hash(sha1($fullpath))) or $file->is_directory()) {
return false;
}
// Finally send the file.
send_stored_file($file, 0, 0, true);
// Download MUST be forced - security!
}
return false;
}