.
*/
class SEATT_Charts {
const PALETTE = array( '#2271b1', '#00a32a', '#dba617', '#d63638', '#8c5cd6', '#00a0d2', '#e26f56', '#3c434a' );
/** Escapes a chart built by this class (inline SVG + a few wrappers). */
public static function allowed_html() {
$common = array( 'class' => true, 'style' => true, 'id' => true, 'role' => true, 'aria-label' => true, 'aria-hidden' => true );
$shape = $common + array( 'x' => true, 'y' => true, 'x1' => true, 'x2' => true, 'y1' => true, 'y2' => true, 'width' => true, 'height' => true, 'r' => true, 'cx' => true, 'cy' => true, 'rx' => true, 'ry' => true, 'd' => true, 'points' => true, 'fill' => true, 'stroke' => true, 'stroke-width' => true, 'stroke-dasharray' => true, 'stroke-dashoffset' => true, 'stroke-linecap' => true, 'transform' => true, 'opacity' => true, 'text-anchor' => true, 'font-size' => true, 'font-weight' => true, 'dominant-baseline' => true );
$allowed = array(
'svg' => $common + array( 'viewbox' => true, 'width' => true, 'height' => true, 'xmlns' => true, 'preserveaspectratio' => true, 'focusable' => true ),
'g' => $shape,
'line' => $shape,
'rect' => $shape,
'circle' => $shape,
'path' => $shape,
'polyline' => $shape,
'polygon' => $shape,
'text' => $shape,
'tspan' => $shape,
'title' => array(),
'div' => $common,
'span' => $common,
'strong' => $common,
'small' => $common,
'p' => $common,
'b' => $common,
'em' => $common,
'i' => $common,
'ul' => $common,
'ol' => $common,
'li' => $common,
'table' => $common,
'thead' => $common,
'tbody' => $common,
'tr' => $common,
'th' => $common,
'td' => $common,
);
return $allowed;
}
public static function color( $i ) {
return self::PALETTE[ $i % count( self::PALETTE ) ];
}
/** Short money label for axis ticks: Rp 1,2 jt / Rp 950 rb style
* would be locale-specific, so keep it generic: 1.2M / 950K. */
private static function short_num( $v ) {
$v = (float) $v;
if ( $v >= 1000000 ) {
return rtrim( rtrim( number_format( $v / 1000000, 1, '.', '' ), '0' ), '.' ) . 'M';
}
if ( $v >= 1000 ) {
return rtrim( rtrim( number_format( $v / 1000, 1, '.', '' ), '0' ), '.' ) . 'K';
}
return (string) round( $v );
}
/** Round the axis maximum up to a "nice" number (1, 2, 2.5, 5 × 10^n). */
private static function nice_max( $v ) {
if ( $v <= 0 ) {
return 1;
}
$exp = floor( log10( $v ) );
$base = pow( 10, $exp );
foreach ( array( 1, 2, 2.5, 5, 10 ) as $m ) {
if ( $v <= $m * $base ) {
return $m * $base;
}
}
return 10 * $base;
}
/**
* Revenue trend: bars = revenue per day, line = bookings per day
* (right axis). $days: list of objects { day: 'Y-m-d', revenue, bookings },
* oldest first, every day present (zeros included).
*/
public static function trend( $days ) {
$w = 760; $h = 280;
$pl = 56; $pr = 40; $pt = 16; $pb = 34;
$cw = $w - $pl - $pr; $ch = $h - $pt - $pb;
$n = max( 1, count( $days ) );
$max_rev = self::nice_max( max( array_merge( array( 0 ), array_map( fn( $d ) => (float) $d->revenue, $days ) ) ) );
// Bookings are whole numbers: a multiple of 4 keeps every one of
// the 4 gridlines on an integer (no "3.8 bookings" ticks).
$max_bk = max( 4, (int) ceil( max( array_merge( array( 0 ), array_map( fn( $d ) => (int) $d->bookings, $days ) ) ) / 4 ) * 4 );
$slot = $cw / $n;
$bw = max( 2, min( 22, $slot * 0.62 ) );
ob_start();
?>
max( 0, (float) $s['value'] ), $slices ) );
$r = 70; $c = 2 * M_PI * $r; $offset = 0;
ob_start();
?>
(float) $s->pos_x, $seats );
$ys = array_map( fn( $s ) => (float) $s->pos_y, $seats );
$minx = min( $xs ); $maxx = max( $xs ); $miny = min( $ys ); $maxy = max( $ys );
$pad = 16;
$w = max( 1, $maxx - $minx ); $h = max( 1, $maxy - $miny );
$W = 760;
$k = min( ( $W - 2 * $pad ) / $w, 2.2 );
$H = max( 80, $h * $k + 2 * $pad );
// Seat radius from typical spacing, so dense maps don't overlap.
$r = max( 2.2, min( 8, 10 * $k ) );
$colors = array( 'sold' => '#2271b1', 'comp' => '#8c5cd6', 'held' => '#dba617', 'available' => '#dcdcde' );
$labels = array( 'sold' => __( 'Sold', 'seathive' ), 'comp' => __( 'Complimentary', 'seathive' ), 'held' => __( 'On hold', 'seathive' ), 'available' => __( 'Available', 'seathive' ) );
$count = array_fill_keys( array_keys( $colors ), 0 );
ob_start();
?>
$c ) : if ( ! $count[ $key ] && 'comp' === $key ) { continue; } ?>
0 ? round( $done / $total * 100 ) : 0;
ob_start();
?>