calendar_event_recurring_prefs.inc

<?php
require_once SQ_LIB_PATH.'/config/prefs.inc';


class Calendar_Event_Recurring_Prefs extends Prefs
{

    var $pref_vars = Array (
                        'SQ_CALENDAR_EVENTS_FREQUENCY'  => Array(
                                                        'name'          => 'calendar_events_frequency',
                                                        'description'   => 'Recurrence event frequency threshold in days. If set to a non-zero positive value, the recurring event will be displayed only once in listing pages when its frequency is less than the specified threshold value',
                                                        'default'       => 0,
                                                        'protected'     => FALSE,
                                                        ),
                    );


    function __construct($pref_file='')
    {
        parent::__construct($pref_file);

    }//end constructor


    function paintBackend(&$o, $have_lock, $pref=NULL)
    {
        $is_root  = $GLOBALS['SQ_SYSTEM']->userRoot();
        $is_admin = ($is_root || $GLOBALS['SQ_SYSTEM']->userSystemAdmin());

        if (is_null($pref) || $pref == 'SQ_CALENDAR_EVENTS_FREQUENCY') {
            if (is_null($pref)) {
                $o->openField("Events frequency threshold");
            }

            if ($have_lock && $is_admin) {
                text_box('prefs[SQ_CALENDAR_EVENTS_FREQUENCY]', $this->pref_vars['SQ_CALENDAR_EVENTS_FREQUENCY']['default'], 5);
            } else {
                echo array_get_index($this->pref_vars['SQ_CALENDAR_EVENTS_FREQUENCY'], 'default', 5);
            }
            
             echo '<div class="sq-backend-note">'.$this->pref_vars['SQ_CALENDAR_EVENTS_FREQUENCY']['description'].'</div>';

            if (is_null($pref)) $o->closeField();
        }//end if

        return TRUE;

    }//end paintBackend()


    function processBackend($o, $have_lock, $pref=NULL)
    {
        $is_root  = $GLOBALS['SQ_SYSTEM']->userRoot();
        $is_admin = ($is_root || $GLOBALS['SQ_SYSTEM']->userSystemAdmin());
        if (!$is_admin) return FALSE;

        // Backend page size
        if (isset($_POST['prefs']['SQ_CALENDAR_EVENTS_FREQUENCY'])) {

            // Not an integer = user mistake, or possible script injection?
            if (!is_numeric($_POST['prefs']['SQ_CALENDAR_EVENTS_FREQUENCY'])) {
                trigger_error("Recurring events frequency threshold must be an integer", E_USER_WARNING);
                return FALSE;
            }
            $frequency_threshold = (int)$_POST['prefs']['SQ_CALENDAR_EVENTS_FREQUENCY'];

            // Frequency threshold shouldnt be than zero
            if ($frequency_threshold < 0) {
                trigger_error("Recurring events frequency threshold must be an integer", E_USER_WARNING);
                return FALSE;
            }

            $this->pref_vars['SQ_CALENDAR_EVENTS_FREQUENCY']['default'] = $frequency_threshold;         
        }

        return TRUE;

    }//end processBackend()


}//end class

?>