/**
* Grabs the filters from the current request environment, adapats and
* parses complex filters and presents them in a useful way for
* processing by the handler.
*
* @return array
*/
public function getFilters()
{
$columnFilters = array();
$globalFilters = array();
foreach ($this->request->getFilters() as $filter) {
// If the filter is an array where the key matches one of our
// columns, we're filtering that column.
if (is_array($filter)) {
$filterValue = reset($filter);
$filterColumn = key($filter);
if (!$this->data instanceof Collection) {
if (($index = array_search($filterColumn, $this->dataGrid->getColumns())) !== false) {
if (!is_numeric($index)) {
$filterColumn = $index;
}
}
}
foreach ($this->extractFilterFeatures($filterValue) as $feature) {
list($featureOperator, $featureValue) = $feature;
$columnFilters[] = array($filterColumn, $featureOperator, $featureValue);
}
} elseif (is_string($filter)) {
foreach ($this->extractFilterFeatures($filter) as $feature) {
list($featureOperator, $featureValue) = $feature;
$globalFilters[] = array($featureOperator, $featureValue);
}
}
}
return array($columnFilters, $globalFilters);
}
/**
* @runInSeparateProcess
*/
public function testDownloadPdf()
{
$dataGrid = new DataGrid($env = $this->getMockEnvironment(), array(), array());
$dataGrid->setDataHandler($this->getMockHandler());
$env->shouldReceive('getRequestProvider')->andReturn($request = m::mock('Cartalyst\\DataGrid\\RequestProviders\\Provider'));
$env->shouldReceive('getDataHandlerMappings')->once()->andReturn(array('Cartalyst\\DataGrid\\DataHandlers\\CollectionHandler' => function ($data) {
return $data instanceof Collection or is_array($data);
}));
$request->shouldReceive('getSort')->twice()->andReturn(null);
$request->shouldReceive('getDirection')->once()->andReturn(null);
$request->shouldReceive('getDownload')->once()->andReturn('pdf');
$request->shouldReceive('getMaxResults')->once();
$request->shouldReceive('getFilters')->once()->andReturn(array());
$request->shouldReceive('downloadPdf')->once();
$dataGrid->setupDataGridContext();
}