Version 1

[yaffs-website] / web / core / modules / views / src / Plugin / views / filter / Equality.php

diff --git a/web/core/modules/views/src/Plugin/views/filter/Equality.php b/web/core/modules/views/src/Plugin/views/filter/Equality.php
new file mode 100644 (file)
index 0000000..e1d2aeb
--- /dev/null
+++ b/web/core/modules/views/src/Plugin/views/filter/Equality.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace Drupal\views\Plugin\views\filter;
+
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Simple filter to handle equal to / not equal to filters
+ *
+ * @ingroup views_filter_handlers
+ *
+ * @ViewsFilter("equality")
+ */
+class Equality extends FilterPluginBase {
+
+  // exposed filter options
+  protected $alwaysMultiple = TRUE;
+
+  /**
+   * Provide simple equality operator
+   */
+  public function operatorOptions() {
+    return [
+      '=' => $this->t('Is equal to'),
+      '!=' => $this->t('Is not equal to'),
+    ];
+  }
+
+  /**
+   * Provide a simple textfield for equality
+   */
+  protected function valueForm(&$form, FormStateInterface $form_state) {
+    $form['value'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('Value'),
+      '#size' => 30,
+      '#default_value' => $this->value,
+    ];
+
+    if ($exposed = $form_state->get('exposed')) {
+      $identifier = $this->options['expose']['identifier'];
+      $user_input = $form_state->getUserInput();
+      if (!isset($user_input[$identifier])) {
+        $user_input[$identifier] = $this->value;
+        $form_state->setUserInput($user_input);
+      }
+    }
+  }
+
+}