Version 1
[yaffs-website] / web / core / modules / system / tests / modules / plugin_test / src / Plugin / plugin_test / mock_block / MockMenuBlockDeriver.php
diff --git a/web/core/modules/system/tests/modules/plugin_test/src/Plugin/plugin_test/mock_block/MockMenuBlockDeriver.php b/web/core/modules/system/tests/modules/plugin_test/src/Plugin/plugin_test/mock_block/MockMenuBlockDeriver.php
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+<?php
+
+namespace Drupal\plugin_test\Plugin\plugin_test\mock_block;
+
+use Drupal\Component\Plugin\Derivative\DeriverInterface;
+
+/**
+ * Mock implementation of DeriverInterface for the mock menu block plugin.
+ *
+ * @see \Drupal\plugin_test\Plugin\MockBlockManager
+ */
+class MockMenuBlockDeriver implements DeriverInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDerivativeDefinition($derivative_id, $base_plugin_definition) {
+    $derivatives = $this->getDerivativeDefinitions($base_plugin_definition);
+    if (isset($derivatives[$derivative_id])) {
+      return $derivatives[$derivative_id];
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDerivativeDefinitions($base_plugin_definition) {
+    // This isn't strictly necessary, but it helps reduce clutter in
+    // DerivativePluginTest::testDerivativeDecorator()'s $expected variable.
+    // Since derivative definitions don't need further deriving, we remove this
+    // key from the returned definitions.
+    unset($base_plugin_definition['deriver']);
+
+    // Here, we create some mock menu block definitions for menus that might
+    // exist in a typical Drupal site. In a real implementation, we would query
+    // Drupal's configuration to find out which menus actually exist.
+    $derivatives = [
+      'main_menu' => [
+        'label' => t('Main menu'),
+      ] + $base_plugin_definition,
+      'navigation' => [
+        'label' => t('Navigation'),
+      ] + $base_plugin_definition,
+      'foo' => [
+        // Instead of the derivative label, the specific label will be used.
+        'label' => t('Derivative label'),
+        // This setting will be merged in.
+         'setting' => 'default'
+      ] + $base_plugin_definition,
+    ];
+
+    return $derivatives;
+  }
+
+}