/**
* Modifies existing columns to prevent issues with the new collections.
*
* @param Mage_Adminhtml_Block_Sales_Shipment_Grid $block
*
* @return $this
*/
protected function _modifyColumns($block)
{
/**
* @var Mage_Adminhtml_Block_Widget_Grid_Column $incrementIdColumn
*/
$incrementIdColumn = $block->getColumn('order_increment_id');
if ($incrementIdColumn) {
$incrementIdColumn->setFilterIndex('main_table.order_increment_id');
}
/**
* @var Mage_Adminhtml_Block_Widget_Grid_Column $massactionColumn
*/
$massactionColumn = $block->getColumn('massaction');
if ($massactionColumn) {
$massactionColumn->setFilterIndex('main_table.entity_id');
}
/**
* @var Mage_Adminhtml_Block_Widget_Grid_Column $createdAtColumn
*/
$createdAtColumn = $block->getColumn('created_at');
if ($createdAtColumn) {
$createdAtColumn->setFilterIndex('main_table.created_at');
}
/**
* @var Mage_Adminhtml_Block_Widget_Grid_Column $storeIdColumn
*/
$storeIdColumn = $block->getColumn('store_id');
if ($storeIdColumn) {
$storeIdColumn->setFilterIndex('main_table.store_id');
}
return $this;
}
