Version 1

[yaffs-website] / web / modules / contrib / media_entity_slideshow / src / Plugin / MediaEntity / Type / Slideshow.php

diff --git a/web/modules/contrib/media_entity_slideshow/src/Plugin/MediaEntity/Type/Slideshow.php b/web/modules/contrib/media_entity_slideshow/src/Plugin/MediaEntity/Type/Slideshow.php
new file mode 100644 (file)
index 0000000..84377e5
--- /dev/null
+++ b/web/modules/contrib/media_entity_slideshow/src/Plugin/MediaEntity/Type/Slideshow.php
@@ -0,0 +1,134 @@
+<?php
+
+namespace Drupal\media_entity_slideshow\Plugin\MediaEntity\Type;
+
+use Drupal\media_entity\MediaInterface;
+use Drupal\media_entity\MediaTypeBase;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Provides media type plugin for Slideshows.
+ *
+ * @MediaType(
+ *   id = "slideshow",
+ *   label = @Translation("Slideshow"),
+ *   description = @Translation("Provides business logic and metadata for slideshows.")
+ * )
+ */
+class Slideshow extends MediaTypeBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function providedFields() {
+    $fields = array(
+      'length' => $this->t('Slideshow length'),
+    );
+
+    return $fields;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getField(MediaInterface $media, $name) {
+    $source_field = $this->configuration['source_field'];
+
+    switch ($name) {
+      case 'length':
+        return $media->{$source_field}->count();
+    }
+
+    return FALSE;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
+    /** @var MediaBundleInterface $bundle */
+    $bundle = $form_state->getFormObject()->getEntity();
+    $options = [];
+    $allowed_field_types = ['entity_reference'];
+    /** @var \Drupal\Core\Field\FieldDefinitionInterface $field */
+    foreach ($this->entityFieldManager->getFieldDefinitions('media', $bundle->id()) as $field_name => $field) {
+      if (in_array($field->getType(), $allowed_field_types)) {
+        $storage = $field->getFieldStorageDefinition();
+        if (!$storage->isBaseField() && $storage->getSetting('target_type') == 'media') {
+          $options[$field_name] = $field->getLabel();
+        }
+      }
+    }
+
+    $form['source_field'] = [
+      '#type' => 'select',
+      '#title' => $this->t('Field with source information'),
+      '#description' => $this->t('Field on media entity that stores slideshow items. You can create a bundle without selecting a value for this dropdown initially. This dropdown can be populated after adding fields to the bundle.'),
+      '#default_value' => empty($this->configuration['source_field']) ? NULL : $this->configuration['source_field'],
+      '#options' => $options,
+    ];
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function attachConstraints(MediaInterface $media) {
+    parent::attachConstraints($media);
+
+    $source_field_name = $this->configuration['source_field'];
+    // Validate slideshow items count.
+    $media->getTypedData()->getDataDefinition()->addConstraint('ItemsCount', array('sourceFieldName' => $source_field_name));
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDefaultThumbnail() {
+    return $this->config->get('icon_base') . '/slideshow.png';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function thumbnail(MediaInterface $media) {
+    $source_field = $this->configuration['source_field'];
+
+    /** @var \Drupal\media_entity\MediaInterface $slideshow_item */
+    $slideshow_item = $this->entityTypeManager->getStorage('media')->load($media->{$source_field}->target_id);
+    if (!$slideshow_item) {
+      return $this->getDefaultThumbnail();
+    }
+
+    /** @var \Drupal\media_entity\MediaBundleInterface $bundle */
+    $bundle = $this->entityTypeManager->getStorage('media_bundle')->load($slideshow_item->bundle());
+    if (!$bundle) {
+      return $this->getDefaultThumbnail();
+    }
+
+    $thumbnail = $bundle->getType()->thumbnail($slideshow_item);
+    if (!$thumbnail) {
+      return $this->getDefaultThumbnail();
+    }
+
+    return $thumbnail;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDefaultName(MediaInterface $media) {
+    // The default name will be the timestamp + number of slides.
+    $length = $this->getField($media, 'length');
+    if (!empty($length)) {
+      return $this->formatPlural($length,
+        '1 slide, created on @date',
+        '@count slides, created on @date',
+        ['@date' => \Drupal::service('date.formatter')->format($media->getCreatedTime(), 'custom', 'd/M/Y - H:i:s')]);
+    }
+
+    return parent::getDefaultName($media);
+  }
+
+}