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<?php
namespace Drupal\facets_range_widget\Plugin\facets\widget;
use Drupal\Core\Form\FormStateInterface;
use Drupal\facets\FacetInterface;
use Drupal\facets\Widget\WidgetPluginBase;
class SliderWidget extends WidgetPluginBase {
public function defaultConfiguration() {
return [
'prefix' => '',
'suffix' => '',
'min_type' => 'search_result',
'min_value' => 0,
'max_type' => 'search_result',
'max_value' => 10,
'step' => 1,
] + parent::defaultConfiguration();
}
public function build(FacetInterface $facet) {
$build = parent::build($facet);
$results = $facet
->getResults();
if (empty($results)) {
return $build;
}
ksort($results);
$show_numbers = $facet
->getWidgetInstance()
->getConfiguration()['show_numbers'];
$urls = [];
$labels = [];
foreach ($results as $result) {
$urls['f_' . $result
->getRawValue()] = $result
->getUrl()
->toString();
$labels[] = $result
->getDisplayValue() . ($show_numbers ? ' (' . $result
->getCount() . ')' : '');
}
$min = (double) reset($results)
->getRawValue();
$max = (double) end($results)
->getRawValue();
$build['#items'] = [
[
'#type' => 'html_tag',
'#tag' => 'div',
'#attributes' => [
'class' => [
'facet-slider',
],
'id' => $facet
->id(),
],
],
];
$active = $facet
->getActiveItems();
$build['#attached']['library'][] = 'facets_range_widget/slider';
$build['#attached']['drupalSettings']['facets']['sliders'][$facet
->id()] = [
'min' => $min,
'max' => $max,
'value' => isset($active[0]) ? (double) $active[0] : '',
'urls' => $urls,
'prefix' => $this
->getConfiguration()['prefix'],
'suffix' => $this
->getConfiguration()['suffix'],
'step' => $this
->getConfiguration()['step'],
'labels' => $labels,
];
return $build;
}
public function buildConfigurationForm(array $form, FormStateInterface $form_state, FacetInterface $facet) {
$config = $this
->getConfiguration();
$form = parent::buildConfigurationForm($form, $form_state, $facet);
$form['prefix'] = [
'#type' => 'textfield',
'#title' => $this
->t('Value prefix'),
'#size' => 5,
'#default_value' => $config['prefix'],
];
$form['suffix'] = [
'#type' => 'textfield',
'#title' => $this
->t('Value suffix'),
'#size' => 5,
'#default_value' => $config['suffix'],
];
$form['min_type'] = [
'#type' => 'radios',
'#options' => [
'fixed' => $this
->t('Fixed value'),
'search_result' => $this
->t('Based on search result'),
],
'#title' => $this
->t('Minimum value type'),
'#default_value' => $config['min_type'],
];
$form['min_value'] = [
'#type' => 'number',
'#title' => $this
->t('Minimum value'),
'#default_value' => $config['min_value'],
'#size' => 10,
'#states' => [
'visible' => [
'input[name="widget_config[min_type]"]' => [
'value' => 'fixed',
],
],
],
];
$form['max_type'] = [
'#type' => 'radios',
'#options' => [
'fixed' => $this
->t('Fixed value'),
'search_result' => $this
->t('Based on search result'),
],
'#title' => $this
->t('Maximum value type'),
'#default_value' => $config['max_type'],
];
$form['max_value'] = [
'#type' => 'number',
'#title' => $this
->t('Maximum value'),
'#default_value' => $config['max_value'],
'#size' => 5,
'#states' => [
'visible' => [
'input[name="widget_config[max_type]"]' => [
'value' => 'fixed',
],
],
],
];
$form['step'] = [
'#type' => 'number',
'#step' => 0.001,
'#title' => $this
->t('slider step'),
'#default_value' => $config['step'],
'#size' => 2,
];
return $form;
}
public function isPropertyRequired($name, $type) {
if ($name === 'slider' && $type === 'processors') {
return TRUE;
}
if ($name === 'show_only_one_result' && $type === 'settings') {
return TRUE;
}
return FALSE;
}
}