addButton( phutil_render_tag( 'a', array( 'href' => $href, 'class' => 'button green', ), $create_button)); return $this; } public function addClass($class) { $this->classes[] = $class; return $this; } public function addButton($button) { $this->buttons[] = $button; return $this; } public function setHeader($header) { $this->header = $header; return $this; } public function setWidth($width) { $this->width = $width; return $this; } public function setID($id) { $this->id = $id; return $this; } public function render() { if ($this->header !== null) { $header = '