/**
* 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);
}
/**
* Update user preferences to current filter settings
*
* @param object $data Form data
* @return mr_html_filter_abstract
*/
public function preferences_update($data)
{
foreach ($this->preferences_defaults() as $name => $default) {
if (!isset($data->{$name}) or $data->{$name} == $default) {
$this->preferences_delete($name);
} else {
$this->preferences->set($name, stripslashes($data->{$name}));
}
}
return $this;
}
/**
* Run init routines
*
* @return void
*/
protected function _init()
{
$this->init();
// Determine if we can turn ajax on.
if (($forceajax = optional_param('forceajax', -1, PARAM_INT)) != -1) {
$this->preferences->set('forceajax', $forceajax);
}
// Setup Paging.
$this->paging = new mr_html_paging($this->preferences, $this->url);
if ($this->config->perpage) {
$this->paging->set_perpageopts($this->config->perpageopts);
}
// Setup Export.
if ($this->config->export) {
$this->export = new mr_file_export($this->config->export, false, $this->url, $this->name());
}
}
/**
* Store sort and weight based on current settings
*
* @return void
*/
protected function save_sortorder()
{
// Store sorting information if necessary
if ($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');
}
}
