[wp-ui] wp-ui Digest, Vol 6, Issue 4

[andré renaut]

another one. blog 1 remain unchanged, every other blog have a specific color

<?php
/*
Plugin Name: Dynamic Site Colors
Plugin URI: http://www.mailpress.org
Description: Dynamic admin header color for multiple sites
Author: André RENAUT
Version: 0-dev
Author URI: http://www.mailpress.org
*/

class Dynamic_Site_Colors
{
    function __construct() {
        $this->Dynamic_Site_Colors();
    }

    function Dynamic_Site_Colors() {
        add_action('admin_print_styles', array(&$this,
'admin_print_styles'));
    }

    function admin_print_styles() {
        global $current_blog;

        if (1 == $current_blog->blog_id) return;

        $color = $this->get_color($current_blog->blog_id);
?>
    <!-- Dynamic_Site_Colors : <?php echo $site->id; ?> -->
    <style type='text/css'>#wphead {background:<?php echo $color; ?>
!important;}</style>
    <!-- Dynamic_Site_Colors -->
<?php
    }

    function get_color($p)
    {
        $x = pow(3,$p);
        $y = intval($p/3) * 10;
        $p = (355/113)* pow($p,2);
        $c = '';
        $c = sprintf("%02X", $this->bc_mod($p, '255')) . sprintf("%02X",
$this->bc_mod($y, '255')) . sprintf("%02X", $this->bc_mod($x, '255'));
        return "#$c";
    }

    function bc_mod( $x, $y )
    {
        // how many numbers to take at once? carefull not to exceed (int)
        $take = 5;
        $mod = '';
        do
        {
            $a = (int)$mod.substr( $x, 0, $take );
            $x = substr( $x, $take );
            $mod = $a % $y;
        }
        while ( strlen($x) );
        return (int)$mod;
    }
}
new Dynamic_Site_Colors();
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