/**
* Renders data grid body.
* @return string
*/
public function renderBody()
{
$container = $this->getWrapper('datagrid container');
// headers
$header = Html::el($container->getName() == 'table' ? 'thead' : NULL);
$header->add($this->generateHeaderRow());
if ($this->dataGrid->hasFilters()) {
$header->add($this->generateFilterRow());
}
// footer
$footer = Html::el($container->getName() == 'table' ? 'tfoot' : NULL);
$footer->add($this->generateFooterRow());
// body
$body = Html::el($container->getName() == 'table' ? 'tbody' : NULL);
if ($this->dataGrid->paginator->itemCount) {
$iterator = new Nette\Iterators\CachingIterator($this->dataGrid->getRows());
foreach ($iterator as $data) {
$row = $this->generateContentRow($data);
$row->addClass($iterator->isEven() ? $this->getValue('row.content .even') : NULL);
$body->add($row);
}
} else {
$size = count($this->dataGrid->getColumns());
$row = $this->getWrapper('row.content container');
$cell = $this->getWrapper('row.content cell container');
$cell->colspan = $size;
$cell->style = 'text-align:center';
$cell->add(Html::el('div')->setText($this->dataGrid->translate('No data were found')));
$row->add($cell);
$body->add($row);
}
if ($container->getName() == 'table') {
$container->add($header);
$container->add($footer);
$container->add($body);
} else {
$container->add($header);
$container->add($body);
$container->add($footer);
}
return $container->render(0);
}
