WeightItem.php in Weight 8.3
File
src/Plugin/Field/FieldType/WeightItem.php
View source
<?php
namespace Drupal\weight\Plugin\Field\FieldType;
use Drupal\Core\Field\FieldItemBase;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\Core\TypedData\DataDefinition;
use Drupal\Core\Form\FormStateInterface;
class WeightItem extends FieldItemBase {
public static function defaultStorageSettings() {
return [
'unsigned' => FALSE,
] + parent::defaultStorageSettings();
}
public static function defaultFieldSettings() {
$settings = [
'range' => 20,
] + parent::defaultFieldSettings();
return $settings;
}
public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
$properties['value'] = DataDefinition::create('integer')
->setLabel(t('Weight value'));
return $properties;
}
public function fieldSettingsForm(array $form, FormStateInterface $form_state) {
$element = parent::fieldSettingsForm($form, $form_state);
$range = $this
->getSetting('range');
$element['range'] = [
'#type' => 'textfield',
'#title' => $this
->t('Range'),
'#description' => $this
->t('The range of weights available to select. For
example, a range of 20 will allow you to select a weight between -20
and 20.'),
'#default_value' => $range,
'#size' => 5,
];
return $element;
}
public function isEmpty() {
if (empty($this->value) && (string) $this->value !== '0') {
return TRUE;
}
return FALSE;
}
public static function schema(FieldStorageDefinitionInterface $field_definition) {
return [
'columns' => [
'value' => [
'type' => 'int',
'not null' => FALSE,
'unsigned' => $field_definition
->getSetting('unsigned'),
'size' => $field_definition
->getSetting('size'),
],
],
];
}
}