/**
* Returns one of the processed facets.
*
* Returns one of the processed facets, this is a facet with filled results.
* Keep in mind that if you want to have the facet's build processor executed,
* there needs to be an extra call to the FacetManager::build with the facet
* returned here as argument.
*
* @param \Drupal\facets\FacetInterface $facet
* The facet to process.
*
* @return \Drupal\facets\FacetInterface|NULL
* The updated facet if it exists, NULL otherwise.
*/
public function returnProcessedFacet(FacetInterface $facet)
{
$this->processFacets($facet->getFacetSourceId());
return !empty($this->facets[$facet->id()]) ? $this->facets[$facet->id()] : NULL;
}
/**
* Builds the form for editing and creating a facet.
*
* @param \Drupal\facets\FacetInterface $facet
* The facets facet entity that is being created or edited.
*/
public function buildEntityForm(array &$form, FormStateInterface $form_state, FacetInterface $facet)
{
$facet_sources = [];
foreach ($this->getFacetSourcePluginManager()->getDefinitions() as $facet_source_id => $definition) {
$facet_sources[$definition['id']] = !empty($definition['label']) ? $definition['label'] : $facet_source_id;
}
if (count($facet_sources) == 0) {
$form['#markup'] = $this->t('You currently have no facet sources defined. You should start by adding a facet source before creating facets.');
return;
}
$form['facet_source_id'] = ['#type' => 'select', '#title' => $this->t('Facet source'), '#description' => $this->t('The source where this facet can find its fields.'), '#options' => $facet_sources, '#default_value' => $facet->getFacetSourceId(), '#required' => TRUE, '#ajax' => ['trigger_as' => ['name' => 'facet_source_configure'], 'callback' => '::buildAjaxFacetSourceConfigForm', 'wrapper' => 'facets-facet-sources-config-form', 'method' => 'replace', 'effect' => 'fade']];
$form['facet_source_configs'] = ['#type' => 'container', '#attributes' => ['id' => 'facets-facet-sources-config-form'], '#tree' => TRUE];
$form['facet_source_configure_button'] = ['#type' => 'submit', '#name' => 'facet_source_configure', '#value' => $this->t('Configure facet source'), '#limit_validation_errors' => [['facet_source_id']], '#submit' => ['::submitAjaxFacetSourceConfigForm'], '#ajax' => ['callback' => '::buildAjaxFacetSourceConfigForm', 'wrapper' => 'facets-facet-sources-config-form'], '#attributes' => ['class' => ['js-hide']]];
$this->buildFacetSourceConfigForm($form, $form_state);
$form['name'] = ['#type' => 'textfield', '#title' => $this->t('Name'), '#description' => $this->t('The administrative name used for this facet.'), '#default_value' => $facet->label(), '#required' => TRUE];
$form['id'] = ['#type' => 'machine_name', '#default_value' => $facet->id(), '#maxlength' => 50, '#required' => TRUE, '#machine_name' => ['exists' => [$this->getFacetStorage(), 'load'], 'source' => ['name']]];
$form['status'] = ['#type' => 'checkbox', '#title' => $this->t('Enabled'), '#description' => $this->t('Only enabled facets can be displayed.'), '#default_value' => $facet->status()];
}
/**
* {@inheritdoc}
*/
public function submitConfigurationForm(array &$form, FormStateInterface $form_state)
{
$facet_source_id = $this->facet->getFacetSourceId();
$field_identifier = $form_state->getValue('facet_source_configs')[$facet_source_id]['field_identifier'];
$this->facet->setFieldIdentifier($field_identifier);
}