function getTripUpdates($filter_class = '', $filter_id = '')
{
$fm = new transit_realtime\FeedMessage();
$fh = new transit_realtime\FeedHeader();
$fh->setGtfsRealtimeVersion(1);
$fh->setTimestamp(time());
$fm->setHeader($fh);
foreach (getCurrentAlerts() as $alert) {
$informedEntities = getInformedAlerts($alert['id'], $_REQUEST['filter_class'], $_REQUEST['filter_id']);
$stops = array();
$routestrips = array();
if (sizeof($informedEntities) > 0) {
if ($informedEntity['informed_class'] == 'stop' && $informed['x-action'] == 'remove') {
$stops[] = $informedEntity['informed_id'];
}
if (($informedEntity['informed_class'] == 'route' || $informedEntity['informed_class'] == 'trip') && $informed['x-action'] == 'patch') {
$routestrips[] = array('id' => $informedEntity['informed_id'], 'type' => $informedEntity['informed_class']);
}
}
foreach ($routestrips as $routetrip) {
$fe = new transit_realtime\FeedEntity();
$fe->setId($alert['id'] . $routetrip['id']);
$fe->setIsDeleted(false);
$tu = new transit_realtime\TripUpdate();
$td = new transit_realtime\TripDescriptor();
if ($routetrip['type'] == 'route') {
$td->setRouteId($routetrip['id']);
} else {
if ($routetrip['type'] == 'trip') {
$td->setTripId($routetrip['id']);
}
}
$tu->setTrip($td);
foreach ($stops as $stop) {
$stu = new transit_realtime\TripUpdate\StopTimeUpdate();
$stu->setStopId($stop);
$stu->setScheduleRelationship(transit_realtime\TripUpdate\StopTimeUpdate\ScheduleRelationship::SKIPPED);
$tu->addStopTimeUpdate($stu);
}
$fe->setTripUpdate($tu);
$fm->addEntity($fe);
}
}
return $fm;
}
/** dashboardAlerts()
* display alerts on each dashboard page
* @param int $width screen width
* @return string $html on success, False otherwise
*/
function dashboardAlerts($width = NULL)
{
$alerts = getCurrentAlerts();
if (!$alerts) {
return FALSE;
}
if ($width && is_int($width) === FALSE) {
$width = NULL;
}
$style = (string) "background-image:url(/images/alert_background.png);height:30px;margin-top:-5px;padding-bottom:5px;text-align:center;width:" . ($width ? $width - 10 . "px" : "99.2%") . ";";
if (array_key_exists("REQUEST_URI", $_SERVER) && preg_match("/displaymaindash/", $_SERVER["REQUEST_URI"])) {
$style = (string) "background-image:url(/images/alert_background.png);font-weight:bold;height:16px;margin-top:-5px;padding-bottom:5px;padding-top:14px;text-align:center;width:" . ($width ? $width - 10 . "px" : "100%") . ";";
}
$html = (string) "<div class=\"alert\" style=\"" . $style . "\">";
if (is_array($alerts) && count($alerts) > 1) {
$html .= "<script type=\"text/javascript\">";
$html .= "var a=" . json_encode($alerts) . ",ca=1;";
$html .= "function changeAlert() {var d=document.getElementsByClassName(\"alert\"),i;for (i=0;i<d.length; i++) {while(d[i].firstChild){d[i].removeChild(d[i].firstChild);}d[i].appendChild(document.createTextNode(a[ca].message));}ca++;if (ca >= a.length) {ca=0;}}";
$html .= "var dta=window.setInterval(changeAlert, 10000);";
$html .= "</script>";
}
$html .= $alerts[0]["message"];
$html .= "</div>";
return $html;
}
/** findPageDimensionFactor(array $dimensions)
* find out what percent to multiply by
* @param array $dimensions
* @return array $factor
* @example findPageDimensionFactor(array(
* 'width'=>1280
* ));
*/
function findPageDimensionFactor(array $dimensions)
{
//: Tests
if (!isset($dimensions["width"])) {
return FALSE;
}
//: End
//: Function Content
//: wide screen displays
$wide = (bool) FALSE;
$ratios = (array) array(1.6, 1.6667, 1.7778, 1.8889);
if (isset($dimensions["height"]["screen"]) && $dimensions["height"]["screen"]) {
$ratio = $dimensions["width"] / $dimensions["height"]["screen"];
if (in_array($ratio, $ratios)) {
$wide = TRUE;
}
}
$factor = (double) ($wide ? 1.3 : 1.4);
//: Alerts
$a = getCurrentAlerts(FALSE);
if (count($a) > 0) {
$factor = (double) $factor - 51 / 1080;
}
//: End
//: Browser top bar
if ($wide) {
$factor = (double) $factor - ($dimensions["height"]["screen"] - $dimensions["height"]["window"]) / 1080;
}
//: End
return round($dimensions["width"] / 1920 * $factor, 2);
//: End
}
