append($content); } ///// set width. // if null, or $this->width is empty array, set as "md" => "12" if (is_null($width) || (is_array($width) && count($width) === 0)) { $this->width['md'] = 12; } // $this->width is number(old version), set as "md" => $width elseif (is_numeric($width)) { $this->width['md'] = $width; } else { $this->width = $width; } } /** * Append content to column. * * @param $content * * @return $this */ public function append($content) { $this->contents[] = $content; return $this; } /** * Add a row for column. * * @param $content * * @return Column */ public function row($content) { if (!$content instanceof \Closure) { $row = new Row($content); } else { $row = new Row(); call_user_func($content, $row); } ob_start(); $row->build(); $contents = ob_get_contents(); ob_end_clean(); return $this->append($contents); } /** * Build column html. */ public function build() { $this->startColumn(); foreach ($this->contents as $content) { if ($content instanceof Renderable || $content instanceof Grid) { echo $content->render(); } else { echo (string) $content; } } $this->endColumn(); } /** * Start column. */ protected function startColumn() { // get class name using width array $classnName = collect($this->width)->map(function ($value, $key) { return "col-$key-$value"; })->implode(' '); echo "

"; } /** * End column. */ protected function endColumn() { echo '

'; } }