html;
}
}
interface PageBuilder {
public function setFeed();
public function setPaginator();
// ... другие методы для установки свойств
public function build();
}
//implements PageBuilder {
class MusicPageBuilder implements PageBuilder {
private Page $page;
const LIMIT = 5;
const OFFSET = 0;
private $data = [];
private $limit = Null;
private $offset = Null;
private $flag = 'ajax';
public function __construct($data, $flag = 'ajax' ) {
$this->page = new Page();
$this->flag = $flag;
$this->data = $data;
$this->limit = isset($_GET['limit'])? $_GET['limit'] : self::LIMIT;
$this->offset = isset($_GET['offset']) ? $_GET['offset']: self::OFFSET;
}
public function setFeed(){
$portial = array_slice($this->data, $this->offset, $this->limit);
$this->page->feed ='';
foreach ( $portial as $val ) {
$this->page->feed .= "- $val
";
}
$this->page->feed .= '
';
return $this;
}
public function setPaginator(){
$len = sizeof($this->data);
$contPage = intdiv($len, $this->limit);
for ($i = 0; $i < $contPage; $i++ ) {
$this->page->paginator .= ''. $i. ' ';
}
return $this;
}
public function build(){
$feed = $this->page->feed;
$paginator = $this->page->paginator;
$pg = ($this->flag == 'ajax')?$feed: $paginator;
$this->page->html = <<< EOF
Document
$pg
EOF;
return $this->page;
}
}
// Клиентский код
$builder = new MusicPageBuilder($arrMusic);
$page = $builder->setFeed()->setPaginator()->build();
echo $page . PHP_EOL;
// $p = new Paginator($arrMusic);
// $p->renderFeed();
// $p->renderPaginator();
// $p->renderPage();