Extend EntityPlusController and restore/rewrite `template_preprocess_…

…paragraphs_item`

Fixed backdrop-contrib#113

ParagraphsItemEntityController.inc

@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * @file
+ * Entity Plus Controller implementation for the paragraphs entity.
+ */
+
+class ParagraphsItemEntityController extends EntityPlusController {
+
+  /** 
+   * {@inheritdoc}
+   */
+  public function buildContent($entity, $view_mode = 'full', $langcode = NULL, $content = array()) {
+    $build = parent::buildContent($entity, $view_mode, $langcode);
+    $build['#theme'] = 'paragraphs_item';
+    return $build;
+  }
+}

paragraphs.module

@@ -101,7 +101,7 @@ function paragraphs_entity_info() {
     'label callback' => 'entity_class_label',
     'uri callback' => 'entity_class_uri',
     'entity class' => 'ParagraphsItemEntity',
-    'controller class' => 'EntityPlusController',
+    'controller class' => 'ParagraphsItemEntityController',
     'base table' => 'paragraphs_item',
     'revision table' => 'paragraphs_item_revision',
     'fieldable' => TRUE,
@@ -1845,37 +1845,6 @@ function paragraphs_modal_admin_links($paragraphs_item) {
   return $admin_links;
 }
 
-/**
- * Implements hook_preprocess_HOOK().
- */
-function paragraphs_preprocess_entity_plus(&$variables) {
-  if ($variables['entity_type'] == 'paragraphs_item') {
-    $view_mode = $variables['elements']['#view_mode'];
-    $bundle = $variables['elements']['#bundle'];
-    $variables['view_mode'] = $view_mode;
-    $variables['bundle'] = $bundle;
-    $paragraph = $variables['paragraphs_item'];
-    $paragraph_id = $paragraph->item_id;
-
-    // Add additional css classes for the paragraph item.
-    $variables['classes_array'][] = backdrop_html_class('paragraphs-item-' . $view_mode);
-    $variables['classes_array'][] = backdrop_html_class('paragraphs-item-' . $paragraph_id);
-
-    // Check if modal admin is enabled and user has access before adding that functionality.
-    if (!paragraphs_item_access('delete', $paragraph)
-      || !paragraphs_item_access('create', $paragraph)
-      || !paragraphs_item_access('update', $paragraph)
-      || empty($variables['elements']['#modal_admin'])) {
-      return;
-    }
-
-    $variables['classes_array'][] = backdrop_html_class('paragraphs-item-modal-admin');
-    if (paragraphs_item_access('delete', $paragraph)) {
-      $variables['admin_links'][$paragraph_id] = paragraphs_modal_admin_links($paragraph);
-    }
-  }
-}
-
 /**
  * Retrieves contextual links for a path based on registered local tasks.
  *
@@ -1978,6 +1947,7 @@ function paragraphs_autoload_info() {
   return array(
     'ParagraphsItemEntity' => 'ParagraphsItemEntity.inc',
     'ParagraphsItemMetadataController' => 'ParagraphsItemMetadataController.inc',
+    'ParagraphsItemEntityController' => 'ParagraphsItemEntityController.inc',
     'MigrateDestinationParagraphsItem' => 'migrate/destinations/MigrateDestinationParagraphsItem.inc',
     'ParagraphsMigrateParagraphsFieldHandler' => 'migrate/fields/ParagraphsMigrateParagraphsFieldHandler.inc',
     'paragraphs_handler_relationship' => 'views/paragraphs_handler_relationship.inc',

theme/paragraphs.theme.inc

@@ -23,3 +23,65 @@ function template_preprocess_paragraphs_items(&$variables, $hook) {
   $variables['theme_hook_suggestions'][] = 'paragraphs_items__' . $field_name;
   $variables['theme_hook_suggestions'][] = 'paragraphs_items__' . $field_name . '__' . $view_mode;
 }
+
+/**
+ * Process variables for paragraphs-item.tpl.php.
+ */
+function template_preprocess_paragraphs_item(&$variables, $hook) {
+  $variables['view_mode'] = $variables['elements']['#view_mode'];
+  $paragraphs_item_type = $variables['elements']['#entity_plus_type'];
+  $variables['entity_type'] = $paragraphs_item_type;
+  $paragraphs_item = $variables['elements']['#entity'];
+  $variables[$paragraphs_item_type] = $paragraphs_item;
+
+  list(, , $bundle) = entity_extract_ids($paragraphs_item_type, $paragraphs_item);
+  $variables['bundle'] = $bundle;
+
+  $paragraphs_item_id = entity_plus_id($paragraphs_item_type, $paragraphs_item);
+
+  $variables['title'] = check_plain(entity_label($paragraphs_item_type, $paragraphs_item));
+
+  $uri = entity_uri($paragraphs_item_type, $paragraphs_item);
+  $variables['url'] = $uri && !empty($uri['path']) ? url($uri['path'], $uri['options']) : FALSE;
+
+  if (isset($variables['elements']['#page'])) {
+    // If set by the caller, respect the page property.
+    $variables['page'] = $variables['elements']['#page'];
+  }
+  else {
+    // Else, try to automatically detect it.
+    $variables['page'] = $uri && !empty($uri['path']) && $uri['path'] == $_GET['q'];
+  }
+
+  $variables['content'] = array();
+  foreach (element_children($variables['elements']) as $key) {
+    $variables['content'][$key] = $variables['elements'][$key];
+  }
+    // Make the field variables available with the appropriate language.
+  field_attach_preprocess($paragraphs_item_type, $paragraphs_item, $variables['content'], $variables);
+
+  // Gather css classes.
+  $variables['classes_array'][] = backdrop_html_class('entity-' . $paragraphs_item_type);
+  $variables['classes_array'][] = backdrop_html_class($paragraphs_item_type . '-' . $bundle);
+  $variables['classes_array'][] = backdrop_html_class('paragraphs-item-' . $bundle);
+  $variables['classes_array'][] = backdrop_html_class('paragraphs-item-' . $variables['elements']['#view_mode']);
+  $variables['classes_array'][] = backdrop_html_class('paragraphs-item-' . $paragraphs_item_id);
+
+  // Add suggestions.
+  $variables['theme_hook_suggestions'][] = $paragraphs_item_type;
+  $variables['theme_hook_suggestions'][] = $paragraphs_item_type . '__' . $bundle;
+  $variables['theme_hook_suggestions'][] = $paragraphs_item_type . '__' . $bundle . '__' . $variables['view_mode'];
+  $variables['theme_hook_suggestions'][] = $paragraphs_item_type . '__' . $paragraphs_item_id;
+
+  // Add the modal css class if enabled
+  if (!paragraphs_item_access('delete', $paragraphs_item)
+    || !paragraphs_item_access('create', $paragraphs_item)
+    || !paragraphs_item_access('update', $paragraphs_item)
+    || empty($variables['elements']['#modal_admin'])) {
+    return;
+  }
+  $variables['classes_array'][] = backdrop_html_class('paragraphs-item-modal-admin');
+  if (paragraphs_item_access('delete', $paragraphs_item)) {
+    $variables['admin_links'][$paragraphs_item_id] = paragraphs_modal_admin_links($paragraphs_item);
+  } 
+}