/**
* This method populates the iterator property
*
*/
private function initialize()
{
if ($this->initialized) {
return;
}
if (!isset($this->datasource)) {
throw new \Exception('A datalist must have a datasource before it can be iterated or counted');
}
// Handle pagination
if ($this->hasOption('limit_per_page')) {
$this->datasource->paginate($this->getOption('limit_per_page'), $this->getOption('range_limit'))->setPage($this->page);
}
// Handle search
if (null !== $this->getOption('search') && !empty($this->searchQuery)) {
$expressionBuilder = new DatalistFilterExpressionBuilder();
$this->searchFilter->getType()->buildExpression($expressionBuilder, $this->searchFilter, $this->searchQuery, $this->searchFilter->getOptions());
$this->datasource->setSearchExpression($expressionBuilder->getExpression());
}
// Handle filters
$expressionBuilder = new DatalistFilterExpressionBuilder();
if (!empty($this->filterData)) {
foreach ($this->filterData as $filterName => $filterValue) {
$filter = $this->filters[$filterName];
$filter->getType()->buildExpression($expressionBuilder, $filter, $filterValue, $filter->getOptions());
}
$this->datasource->setFilterExpression($expressionBuilder->getExpression());
}
// Handle sort
if (isset($this->routeParams['sort-field']) && isset($this->routeParams['sort-direction'])) {
$field = $this->getField($this->routeParams['sort-field']);
if (null !== $field && true === $field->getOption('sortable')) {
$propertyPath = $field->getOption('sort_property_path');
if (empty($propertyPath)) {
throw new \Exception('The "sort_property_path" option must be set on datalist field when option "sortable" is true.');
}
$this->datasource->setSort($propertyPath, $this->routeParams['sort-direction']);
}
}
$this->iterator = $this->datasource->getIterator();
}
/**
* @param \Twig_Environment $env
* @param \Leapt\AdminBundle\Datalist\Filter\DatalistFilterInterface $filter
* @return string
* @throws \Exception
*/
public function renderDatalistFilter(\Twig_Environment $env, DatalistFilterInterface $filter)
{
$blockNames = [$filter->getType()->getBlockName() . '_filter', '_' . $filter->getDatalist()->getName() . '_' . $filter->getName() . '_filter'];
$childForm = $filter->getDatalist()->getFilterForm()->get($filter->getName());
return $this->renderBlock($env, $filter->getDatalist(), $blockNames, ['form' => $childForm->createView(), 'filter' => $filter, 'datalist' => $filter->getDatalist()]);
}
/**
* @param \Leapt\AdminBundle\Datalist\Filter\DatalistFilterExpressionBuilder $builder
* @param \Leapt\AdminBundle\Datalist\Filter\DatalistFilterInterface $filter
* @param mixed $value
* @param array $options
*/
public function buildExpression(DatalistFilterExpressionBuilder $builder, DatalistFilterInterface $filter, $value, array $options)
{
$operator = true === $options['multiple'] ? ComparisonExpression::OPERATOR_IN : ComparisonExpression::OPERATOR_EQ;
$builder->add(new ComparisonExpression($filter->getPropertyPath(), $operator, $value));
}
/**
* @param \Leapt\AdminBundle\Datalist\Filter\DatalistFilterExpressionBuilder $builder
* @param \Leapt\AdminBundle\Datalist\Filter\DatalistFilterInterface $filter
* @param mixed $value
* @param array $options
*/
public function buildExpression(DatalistFilterExpressionBuilder $builder, DatalistFilterInterface $filter, $value, array $options)
{
$builder->add(new ComparisonExpression($filter->getPropertyPath(), ComparisonExpression::OPERATOR_EQ, $value));
}
/**
* @param \Symfony\Component\Form\FormBuilderInterface $builder
* @param \Leapt\AdminBundle\Datalist\Filter\DatalistFilterInterface $filter
* @param array $options
*/
public function buildForm(FormBuilderInterface $builder, DatalistFilterInterface $filter, array $options)
{
$builder->add($filter->getName(), SearchType::class, ['label' => $options['label']]);
}
