Numeric.php

1. 9.x drupal/core/modules/views/lib/Drupal/views/Plugin/views/field/Numeric.php
2. 9.x drupal/core/modules/views/lib/Drupal/views/Plugin/views/argument/Numeric.php
3. 9.x drupal/core/modules/views/lib/Drupal/views/Plugin/views/argument_validator/Numeric.php
4. 9.x drupal/core/modules/views/lib/Drupal/views/Plugin/views/filter/Numeric.php

<?php

/**
 * @file
 * Definition of Drupal\views\Plugin\views\argument\Numeric.
 */
namespace Drupal\views\Plugin\views\argument;

use Drupal\Core\Annotation\Plugin;

/**
 * Basic argument handler for arguments that are numeric. Incorporates
 * break_phrase.
 *
 * @ingroup views_argument_handlers
 *
 * @Plugin(
 *   id = "numeric"
 * )
 */
class Numeric extends ArgumentPluginBase {

  /**
   * The operator used for the query: or|and.
   * @var string
   */
  var $operator;

  /**
   * The actual value which is used for querying.
   * @var array
   */
  var $value;
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['break_phrase'] = array(
      'default' => FALSE,
      'bool' => TRUE,
    );
    $options['not'] = array(
      'default' => FALSE,
      'bool' => TRUE,
    );
    return $options;
  }
  public function buildOptionsForm(&$form, &$form_state) {
    parent::buildOptionsForm($form, $form_state);

    // allow + for or, , for and
    $form['break_phrase'] = array(
      '#type' => 'checkbox',
      '#title' => t('Allow multiple values'),
      '#description' => t('If selected, users can enter multiple values in the form of 1+2+3 (for OR) or 1,2,3 (for AND).'),
      '#default_value' => !empty($this->options['break_phrase']),
      '#fieldset' => 'more',
    );
    $form['not'] = array(
      '#type' => 'checkbox',
      '#title' => t('Exclude'),
      '#description' => t('If selected, the numbers entered for the filter will be excluded rather than limiting the view.'),
      '#default_value' => !empty($this->options['not']),
      '#fieldset' => 'more',
    );
  }
  function title() {
    if (!$this->argument) {
      return !empty($this->definition['empty field name']) ? $this->definition['empty field name'] : t('Uncategorized');
    }
    if (!empty($this->options['break_phrase'])) {
      $this
        ->breakPhrase($this->argument, $this);
    }
    else {
      $this->value = array(
        $this->argument,
      );
      $this->operator = 'or';
    }
    if (empty($this->value)) {
      return !empty($this->definition['empty field name']) ? $this->definition['empty field name'] : t('Uncategorized');
    }
    if ($this->value === array(
      -1,
    )) {
      return !empty($this->definition['invalid input']) ? $this->definition['invalid input'] : t('Invalid input');
    }
    return implode($this->operator == 'or' ? ' + ' : ', ', $this
      ->title_query());
  }

  /**
   * Override for specific title lookups.
   * @return array
   *    Returns all titles, if it's just one title it's an array with one entry.
   */
  function title_query() {
    return $this->value;
  }
  public function query($group_by = FALSE) {
    $this
      ->ensureMyTable();
    if (!empty($this->options['break_phrase'])) {
      $this
        ->breakPhrase($this->argument, $this);
    }
    else {
      $this->value = array(
        $this->argument,
      );
    }
    $placeholder = $this
      ->placeholder();
    $null_check = empty($this->options['not']) ? '' : "OR {$this->tableAlias}.{$this->realField} IS NULL";
    if (count($this->value) > 1) {
      $operator = empty($this->options['not']) ? 'IN' : 'NOT IN';
      $this->query
        ->add_where_expression(0, "{$this->tableAlias}.{$this->realField} {$operator}({$placeholder}) {$null_check}", array(
        $placeholder => $this->value,
      ));
    }
    else {
      $operator = empty($this->options['not']) ? '=' : '!=';
      $this->query
        ->add_where_expression(0, "{$this->tableAlias}.{$this->realField} {$operator} {$placeholder} {$null_check}", array(
        $placeholder => $this->argument,
      ));
    }
  }
  function get_sort_name() {
    return t('Numerical', array(), array(
      'context' => 'Sort order',
    ));
  }

}