public function render()
{
if (!empty($this->_items)) {
if ($this->_num_rows > 2) {
$col_xs = @round(12 / ($this->_num_per_rows - 2));
$col_sm = @round(12 / ($this->_num_per_rows - 1));
}
$col_md = round(12 / $this->_num_per_rows);
$col_lg = round(12 / $this->_num_per_rows);
$container = new Tag('div', ['class' => 'row']);
foreach ($this->_items as $key => $item) {
$column = new Tag('div', $item, ['class' => 'grid-item']);
if (isset($col_xs)) {
$column->add_class('col-xs-' . $col_xs);
}
if (isset($col_sm)) {
$column->add_class('col-sm-' . $col_sm);
}
$column->add_class('col-md-' . $col_md);
$column->add_class('col-lg-' . $col_lg);
$this->_items[$key] = $column;
}
$container->set_content(implode(PHP_EOL, $this->_items));
return (new Tag($this->_tag, $container, $this->_attributes))->render();
}
return '';
}
