protected function drawWorkPeriod()
{
imagefilledrectangle($this->im, $this->shiftXleft + 1, $this->shiftY, $this->sizeX + $this->shiftXleft - 2, $this->sizeY + $this->shiftY, $this->getColor($this->graphtheme['graphcolor'], 0));
if ($this->m_showWorkPeriod != 1) {
return;
}
if ($this->period > 3 * 2678400) {
return;
}
// > 31*24*3600 (3*month)
$db_work_period = DBselect('SELECT work_period FROM config');
$work_period = DBfetch($db_work_period);
if (!$work_period) {
return;
}
$periods = parse_period($work_period['work_period']);
if (!$periods) {
return;
}
imagefilledrectangle($this->im, $this->shiftXleft + 1, $this->shiftY, $this->sizeX + $this->shiftXleft - 2, $this->sizeY + $this->shiftY, $this->getColor($this->graphtheme['noneworktimecolor'], 0));
$now = time();
if (isset($this->stime)) {
$this->from_time = $this->stime;
$this->to_time = $this->stime + $this->period;
} else {
$this->to_time = $now - 3600 * $this->from;
$this->from_time = $this->to_time - $this->period;
}
$from = $this->from_time;
$max_time = $this->to_time;
$start = find_period_start($periods, $from);
$end = -1;
while ($start < $max_time && $start > 0) {
$end = find_period_end($periods, $start, $max_time);
$x1 = round(($start - $from) * $this->sizeX / $this->period) + $this->shiftXleft;
$x2 = ceil(($end - $from) * $this->sizeX / $this->period) + $this->shiftXleft;
//draw rectangle
imagefilledrectangle($this->im, $x1, $this->shiftY, $x2 - 2, $this->sizeY + $this->shiftY, $this->getColor($this->graphtheme['graphcolor'], 0));
$start = find_period_start($periods, $end);
}
}
function find_period_end($periods, $time, $max_time)
{
$date = getdate($time);
$wday = $date['wday'] == 0 ? 7 : $date['wday'];
$curr = $date['hours'] * 100 + $date['minutes'];
if (isset($periods[$wday])) {
$next_h = -1;
$next_m = -1;
foreach ($periods[$wday] as $period) {
$per_start = $period['start_h'] * 100 + $period['start_m'];
$per_end = $period['end_h'] * 100 + $period['end_m'];
if ($per_start > $curr) {
continue;
}
if ($per_end < $curr) {
continue;
}
if ($next_h == -1 && $next_m == -1 || $per_end > $next_h * 100 + $next_m) {
$next_h = $period['end_h'];
$next_m = $period['end_m'];
}
}
if ($next_h >= 0 && $next_m >= 0) {
$new_time = mktime($next_h, $next_m, 0, $date['mon'], $date['mday'], $date['year']);
if ($new_time == $time) {
return $time;
}
if ($new_time > $max_time) {
return $max_time;
}
$next_time = find_period_end($periods, $new_time, $max_time);
if ($next_time < 0) {
return $new_time;
} else {
return $next_time;
}
}
}
return -1;
}
