diff core/modules/quickedit/src/EditorSelector.php @ 0:c75dbcec494b

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/quickedit/src/EditorSelector.php	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,101 @@
+<?php
+
+namespace Drupal\quickedit;
+
+use Drupal\Component\Plugin\PluginManagerInterface;
+use Drupal\Component\Utility\NestedArray;
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Field\FormatterPluginManager;
+
+/**
+ * Selects an in-place editor (an InPlaceEditor plugin) for a field.
+ */
+class EditorSelector implements EditorSelectorInterface {
+
+  /**
+   * The manager for editor plugins.
+   *
+   * @var \Drupal\Component\Plugin\PluginManagerInterface
+   */
+  protected $editorManager;
+
+  /**
+   * The manager for formatter plugins.
+   *
+   * @var \Drupal\Core\Field\FormatterPluginManager.
+   */
+  protected $formatterManager;
+
+  /**
+   * A list of alternative editor plugin IDs, keyed by editor plugin ID.
+   *
+   * @var array
+   */
+  protected $alternatives;
+
+  /**
+   * Constructs a new EditorSelector.
+   *
+   * @param \Drupal\Component\Plugin\PluginManagerInterface $editor_manager
+   *   The manager for editor plugins.
+   * @param \Drupal\Core\Field\FormatterPluginManager $formatter_manager
+   *   The manager for formatter plugins.
+   */
+  public function __construct(PluginManagerInterface $editor_manager, FormatterPluginManager $formatter_manager) {
+    $this->editorManager = $editor_manager;
+    $this->formatterManager = $formatter_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getEditor($formatter_type, FieldItemListInterface $items) {
+    // Check if the formatter defines an appropriate in-place editor. For
+    // example, text formatters displaying plain text can choose to use the
+    // 'plain_text' editor. If the formatter doesn't specify, fall back to the
+    // 'form' editor, since that can work for any field. Formatter definitions
+    // can use 'disabled' to explicitly opt out of in-place editing.
+    $formatter_info = $this->formatterManager->getDefinition($formatter_type);
+    $editor_id = $formatter_info['quickedit']['editor'];
+    if ($editor_id === 'disabled') {
+      return;
+    }
+    elseif ($editor_id === 'form') {
+      return 'form';
+    }
+
+    // No early return, so create a list of all choices.
+    $editor_choices = [$editor_id];
+    if (isset($this->alternatives[$editor_id])) {
+      $editor_choices = array_merge($editor_choices, $this->alternatives[$editor_id]);
+    }
+
+    // Make a choice.
+    foreach ($editor_choices as $editor_id) {
+      $editor = $this->editorManager->createInstance($editor_id);
+      if ($editor->isCompatible($items)) {
+        return $editor_id;
+      }
+    }
+
+    // We still don't have a choice, so fall back to the default 'form' editor.
+    return 'form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getEditorAttachments(array $editor_ids) {
+    $attachments = [];
+    $editor_ids = array_unique($editor_ids);
+
+    // Editor plugins' attachments.
+    foreach ($editor_ids as $editor_id) {
+      $editor = $this->editorManager->createInstance($editor_id);
+      $attachments[] = $editor->getAttachments();
+    }
+
+    return NestedArray::mergeDeepArray($attachments);
+  }
+
+}