case 'play':
// We create the toolbar
$t = new Toolbar();
$t->addAction('Back', 'show()', 'go-back');
$t->addAction('Play', 'togglePlay()', 'media-playback-start');
$t->addRawBlock("<div id='clock' class='clock'></div>");
$t->addAction('Reset', 'trackReset()', 'media-playback-stop');
$c->register($t);
// We should receive a scalefactor.
$scl = floatval(getvar('scl', '0.7'));
// We must receive an id.
if ($trackid = getvar('trackid', '')) {
// ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
// We obtain some data from the participant first.
$q->rawSelect('name as project,pid,agent,from_unixtime(offset/1000) as start')->from('track')->where("id={$trackid}");
$ppt = $q->runAndGetRow();
if ($ppt['project'] == '') {
$ppt['project'] = '<em>None</em>';
}
$t->addInfoPairs($ppt);
// We get all the data.
$events = $db->qSelect("select id,t,action,xtra1,xc,yc from event where track_id={$trackid} order by t,id");
$firstsize = array_shift($events);
if ($firstsize['action'] != 'resize') {
$c->displayMsg("Malformed tracking record (action=" . $firstsize['action'] . "). Cannot replay.");
break;
}
$totaltime = $db->qGetValue("select max(t) from event where track_id={$trackid}");
$c->common->addOnload("maxtime={$totaltime};");
// We create the screen.
$screen = new Screen(scale($firstsize['xc']), scale($firstsize['yc']));
