--- /dev/null
+<?php
+
+namespace Drupal\views\Plugin\views\argument;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Plugin\Context\ContextDefinition;
+
+/**
+ * Basic argument handler for arguments that are numeric. Incorporates
+ * break_phrase.
+ *
+ * @ingroup views_argument_handlers
+ *
+ * @ViewsArgument("numeric")
+ */
+class NumericArgument extends ArgumentPluginBase {
+
+ /**
+ * The operator used for the query: or|and.
+ * @var string
+ */
+ public $operator;
+
+ /**
+ * The actual value which is used for querying.
+ * @var array
+ */
+ public $value;
+
+ protected function defineOptions() {
+ $options = parent::defineOptions();
+
+ $options['break_phrase'] = ['default' => FALSE];
+ $options['not'] = ['default' => FALSE];
+
+ return $options;
+ }
+
+ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
+ parent::buildOptionsForm($form, $form_state);
+
+ // allow + for or, , for and
+ $form['break_phrase'] = [
+ '#type' => 'checkbox',
+ '#title' => $this->t('Allow multiple values'),
+ '#description' => $this->t('If selected, users can enter multiple values in the form of 1+2+3 (for OR) or 1,2,3 (for AND).'),
+ '#default_value' => !empty($this->options['break_phrase']),
+ '#group' => 'options][more',
+ ];
+
+ $form['not'] = [
+ '#type' => 'checkbox',
+ '#title' => $this->t('Exclude'),
+ '#description' => $this->t('If selected, the numbers entered for the filter will be excluded rather than limiting the view.'),
+ '#default_value' => !empty($this->options['not']),
+ '#group' => 'options][more',
+ ];
+ }
+
+ public function title() {
+ if (!$this->argument) {
+ return !empty($this->definition['empty field name']) ? $this->definition['empty field name'] : $this->t('Uncategorized');
+ }
+
+ if (!empty($this->options['break_phrase'])) {
+ $break = static::breakString($this->argument, FALSE);
+ $this->value = $break->value;
+ $this->operator = $break->operator;
+ }
+ else {
+ $this->value = [$this->argument];
+ $this->operator = 'or';
+ }
+
+ if (empty($this->value)) {
+ return !empty($this->definition['empty field name']) ? $this->definition['empty field name'] : $this->t('Uncategorized');
+ }
+
+ if ($this->value === [-1]) {
+ return !empty($this->definition['invalid input']) ? $this->definition['invalid input'] : $this->t('Invalid input');
+ }
+
+ return implode($this->operator == 'or' ? ' + ' : ', ', $this->titleQuery());
+ }
+
+ /**
+ * Override for specific title lookups.
+ * @return array
+ * Returns all titles, if it's just one title it's an array with one entry.
+ */
+ public function titleQuery() {
+ return $this->value;
+ }
+
+ public function query($group_by = FALSE) {
+ $this->ensureMyTable();
+
+ if (!empty($this->options['break_phrase'])) {
+ $break = static::breakString($this->argument, FALSE);
+ $this->value = $break->value;
+ $this->operator = $break->operator;
+ }
+ else {
+ $this->value = [$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';
+ $placeholder .= '[]';
+ $this->query->addWhereExpression(0, "$this->tableAlias.$this->realField $operator($placeholder) $null_check", [$placeholder => $this->value]);
+ }
+ else {
+ $operator = empty($this->options['not']) ? '=' : '!=';
+ $this->query->addWhereExpression(0, "$this->tableAlias.$this->realField $operator $placeholder $null_check", [$placeholder => $this->argument]);
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getSortName() {
+ return $this->t('Numerical', [], ['context' => 'Sort order']);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getContextDefinition() {
+ if ($context_definition = parent::getContextDefinition()) {
+ return $context_definition;
+ }
+
+ // If the parent does not provide a context definition through the
+ // validation plugin, fall back to the integer type.
+ return new ContextDefinition('integer', $this->adminLabel(), FALSE);
+ }
+
+}