/**
* Constructor
*
* @param mr_preferences $preferences Preferences to store paging information
* @param moodle_url $url Current URL
*/
public function __construct(mr_preferences $preferences, moodle_url $url)
{
$this->url = $url;
$this->preferences = $preferences;
$defultperpage = $this->preferences->get($this->REQUEST_PERPAGE, $this->perpage);
$this->page = optional_param($this->REQUEST_PAGE, 0, PARAM_INT);
$this->perpage = optional_param($this->REQUEST_PERPAGE, $defultperpage, PARAM_INT);
// Save for later
$this->preferences->set($this->REQUEST_PERPAGE, $this->perpage);
}
/**
* Remove preferences for this filter
*
* @param string $name A specific preference to delete, if NULL all are deleted
* @return mr_html_filter_abstract
*/
public function preferences_delete($name = NULL)
{
if (is_null($name)) {
$names = array_keys($this->preferences_defaults());
} else {
$names = array($name);
}
foreach ($names as $name) {
$this->preferences->delete($name);
}
return $this;
}
/**
* Run the report SQL and retrieve rows for rendering or exporting.
*
* This method also sends the export to the browser if the
* user is exporting the report.
*
* @return void
*/
public function run()
{
// Initialize the tables and the filters
$this->table_init();
$this->filter_init();
if ($this->filter instanceof mr_html_filter) {
$this->filter->set_report($this);
}
// Determine if we are doing AJAX
if (!$this->is_exporting() and $this->config->ajax and $this->preferences->get('forceajax', $this->config->ajaxdefault)) {
if (optional_param('tjson', 0, PARAM_BOOL)) {
// Filling on AJAX request
$this->table_fill();
}
} else {
// Normal fill...
$this->table_fill();
}
// If exporting, send it to the browser
if ($this->is_exporting()) {
$this->export->send();
}
}
/**
* Store sort and weight based on current settings
*
* @return void
*/
protected function save_sortorder()
{
// Store sorting information if necessary
if ($this->sort != $this->defaultsort) {
// Sort not the same as default, save
$this->preferences->set('sort', $this->sort);
} else {
// Sort same as default, remove
$this->preferences->delete('sort');
}
if ($this->order != $this->defaultorder) {
// Order not the same as default, save
$this->preferences->set('order', $this->order);
} else {
// Order same as default, remove
$this->preferences->delete('order');
}
}
