header = $header;
$this->body = $body;
$this->section = $section;
$this->position = $position;
if (is_null($id)) {
$id = (empty($header) ? md5($body ?? '') : $header) . $section;
}
$str_id = preg_replace('/[^\w-]/', '', str_replace(' ', '_', $id));
assert(is_string($str_id));
$this->id = $str_id;
}
/**
* Get the HTML for this block.
*/
public function get_html(bool $hidable=false): string
{
$h = $this->header;
$b = $this->body;
$i = $this->id;
$html = "";
$h_toggler = $hidable ? " shm-toggler" : "";
if (!empty($h)) {
$html .= "$h
";
}
if (!empty($b)) {
$html .= "$b
";
}
$html .= "\n";
return $html;
}
}
/**
* Class NavBlock
*
* A generic navigation block with a link to the main page.
*
* Used because "new NavBlock()" is easier than "new Block('Navigation', ..."
*
*/
class NavBlock extends Block
{
public function __construct()
{
parent::__construct("Navigation", "Index", "left", 0);
}
}