protected function _prepareCollection()
{
$sort = $this->getParam('sort', $this->_defaultSort);
$dir = $this->getParam('dir', $this->_defaultDir);
$files = $this->_helper->getLogFiles();
if (isset($sort) && !empty($files) && isset($files[0][$sort])) {
usort($files, function ($a, $b) use($sort, $dir) {
$a = $a[$sort];
$b = $b[$sort];
if (is_numeric($a)) {
return $dir == 'asc' ? $a - $b : $b - $a;
} else {
return $dir == 'asc' ? strcmp($a, $b) : -strcmp($a, $b);
}
});
}
$collection = new Varien_Data_Collection();
foreach ($files as $file) {
$item = new Varien_Object();
$item->setIdFieldName('filename');
$item->setFilename($file['filename']);
$item->setFilesize($this->_helper->humanFilesize($file['filesize']));
$item->setLines($file['lines']);
$collection->addItem($item);
}
$this->setCollection($collection);
return parent::_prepareCollection();
}
