}
$year = 3600 * 24 * 365; # seconds per year
-$scale = 8; # em width per year
-$mindate = strtotime($date) + ($year / $scale * 3); # first point plus about 3em for centered text
+$scale = 7; # em width per year
+$mindate = max(time(), strtotime($date) + ($year / $scale * 3)); # at least last entry plus 3em for centered text
+$length = ($mindate - strtotime(key(current($cal)))) / $year * $scale; # earliest entry position
-print '<ul class="timeline">'."\n";
+printf('<ul class="timeline" style="background-size:%.1fem">'."\n", $length);
foreach (array_reverse($cal, TRUE) as $group => $rows) {
if (count($rows) > 1) {
$time = ($mindate - strtotime("$group-12-31T23:59")) / $year * $scale;
- printf('<li class="range" style="left:%.1fem; width:%sem">', $time, $scale);
+ printf('<li class="range" style="left:%.1fem; width:%.1fem">',
+ $time, $time + $scale > $length ? $length - $time + 2 : $scale
+ );
print "<strong>$group</strong><ul>\n";
}
else {