--- /dev/null
+<?php
+
+namespace Drupal\diff;
+
+use Drupal\Component\Plugin\PluginBase;
+use Drupal\Component\Utility\Xss;
+use Drupal\Core\Datetime\DateFormatter;
+use Drupal\Core\Entity\ContentEntityInterface;
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Entity\RevisionLogInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\Mail\MailFormatHelper;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\Core\Link;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Drupal\Core\Url;
+use Drupal\diff\Controller\PluginRevisionController;
+use Drupal\node\NodeInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Base class for diff layout plugins.
+ */
+abstract class DiffLayoutBase extends PluginBase implements DiffLayoutInterface, ContainerFactoryPluginInterface {
+
+ use StringTranslationTrait;
+
+ /**
+ * Contains the configuration object factory.
+ *
+ * @var \Drupal\Core\Config\ConfigFactoryInterface
+ */
+ protected $configFactory;
+
+ /**
+ * The entity type manager.
+ *
+ * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+ */
+ protected $entityTypeManager;
+
+ /**
+ * The entity parser.
+ *
+ * @var \Drupal\diff\DiffEntityParser
+ */
+ protected $entityParser;
+
+ /**
+ * The date service.
+ *
+ * @var \Drupal\Core\Datetime\DateFormatter
+ */
+ protected $date;
+
+ /**
+ * Constructs a DiffLayoutBase object.
+ *
+ * @param array $configuration
+ * A configuration array containing information about the plugin instance.
+ * @param string $plugin_id
+ * The plugin_id for the plugin instance.
+ * @param mixed $plugin_definition
+ * The plugin implementation definition.
+ * @param \Drupal\Core\Config\ConfigFactoryInterface $config
+ * The configuration factory object.
+ * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
+ * The entity type manager.
+ * @param \Drupal\diff\DiffEntityParser $entity_parser
+ * The entity parser.
+ * @param \Drupal\Core\DateTime\DateFormatter $date
+ * The date service.
+ */
+ public function __construct(array $configuration, $plugin_id, $plugin_definition, ConfigFactoryInterface $config, EntityTypeManagerInterface $entity_type_manager, DiffEntityParser $entity_parser, DateFormatter $date) {
+ parent::__construct($configuration, $plugin_id, $plugin_definition);
+ $this->configFactory = $config;
+ $this->entityTypeManager = $entity_type_manager;
+ $this->entityParser = $entity_parser;
+ $this->date = $date;
+ $this->configuration += $this->defaultConfiguration();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+ return new static(
+ $configuration,
+ $plugin_id,
+ $plugin_definition,
+ $container->get('config.factory'),
+ $container->get('entity_type.manager'),
+ $container->get('diff.entity_parser'),
+ $container->get('date.formatter')
+ );
+ }
+
+ /**
+ * Build the revision link for a revision.
+ *
+ * @param \Drupal\Core\Entity\ContentEntityInterface $revision
+ * A revision where to add a link.
+ *
+ * @return \Drupal\Core\Link
+ * Header link for a revision in the table.
+ */
+ protected function buildRevisionLink(ContentEntityInterface $revision) {
+ $entity_type_id = $revision->getEntityTypeId();
+ if ($revision instanceof RevisionLogInterface) {
+ $revision_date = $this->date->format($revision->getRevisionCreationTime(), 'short');
+ $route_name = $entity_type_id != 'node' ? "entity.$entity_type_id.revisions_diff" : 'entity.node.revision';
+ $revision_link = Link::fromTextAndUrl($revision_date, Url::fromRoute($route_name, [
+ $entity_type_id => $revision->id(),
+ $entity_type_id . '_revision' => $revision->getRevisionId(),
+ ]))->toString();
+ }
+ else {
+ $revision_link = Link::fromTextAndUrl($revision->label(), $revision->toUrl('revision'))
+ ->toString();
+ }
+ return $revision_link;
+ }
+
+ /**
+ * Build the revision link for the compared revisions.
+ *
+ * @param \Drupal\Core\Entity\ContentEntityInterface $left_revision
+ * Left revision that is compared.
+ * @param \Drupal\Core\Entity\ContentEntityInterface $right_revision
+ * Right revision that is compared.
+ *
+ * @return array
+ * Header link for a revision in the revision comparison display.
+ */
+ public function buildRevisionsData(ContentEntityInterface $left_revision, ContentEntityInterface $right_revision) {
+ $right_revision = $this->buildRevisionData($right_revision);
+ $right_revision['#prefix'] = '<div class="diff-revision__items-group">';
+ $right_revision['#suffix'] = '</div>';
+
+ $left_revision = $this->buildRevisionData($left_revision);
+ $left_revision['#prefix'] = '<div class="diff-revision__items-group">';
+ $left_revision['#suffix'] = '</div>';
+
+ // Show the revisions that are compared.
+ return [
+ 'header' => [
+ 'diff_revisions' => [
+ '#type' => 'item',
+ '#title' => $this->t('Comparing'),
+ '#wrapper_attributes' => ['class' => 'diff-revision'],
+ 'items' => [
+ '#prefix' => '<div class="diff-revision__items">',
+ '#suffix' => '</div></div>',
+ 'right_revision' => $right_revision,
+ 'left_revision' => $left_revision,
+ ],
+ ],
+ ],
+ ];
+ }
+
+ /**
+ * Build the revision link for a revision.
+ *
+ * @param \Drupal\Core\Entity\ContentEntityInterface $revision
+ * Left revision that is compared.
+ *
+ * @return array
+ * Revision data about author, creation date and log.
+ */
+ protected function buildRevisionData(ContentEntityInterface $revision) {
+ $entity_type_id = $revision->getEntityTypeId();
+ if ($revision instanceof RevisionLogInterface) {
+ $revision_log = Xss::filter($revision->getRevisionLogMessage());
+ $user_id = $revision->getRevisionUserId();
+ $route_name = $entity_type_id != 'node' ? "entity.$entity_type_id.revisions_diff" : 'entity.node.revision';
+
+ $revision_link['date'] = [
+ '#type' => 'link',
+ '#title' => $this->date->format($revision->getRevisionCreationTime(), 'short'),
+ '#url' => Url::fromRoute($route_name, [
+ $entity_type_id => $revision->id(),
+ $entity_type_id . '_revision' => $revision->getRevisionId(),
+ ]),
+ '#prefix' => '<div class="diff-revision__item diff-revision__item-date">',
+ '#suffix' => '</div>',
+ ];
+
+ $revision_link['author'] = [
+ '#type' => 'link',
+ '#title' => $revision->getRevisionUser()->getDisplayName(),
+ '#url' => Url::fromUri(\Drupal::request()->getUriForPath('/user/' . $user_id)),
+ '#theme' => 'username',
+ '#account' => $revision->getRevisionUser(),
+ '#prefix' => '<div class="diff-revision__item diff-revision__item-author">',
+ '#suffix' => '</div>',
+ ];
+
+ if ($revision_log) {
+ $revision_link['message'] = [
+ '#type' => 'markup',
+ '#prefix' => '<div class="diff-revision__item diff-revision__item-message">',
+ '#suffix' => '</div>',
+ '#markup' => $revision_log,
+ ];
+ }
+ }
+ else {
+ $revision_link['label'] = [
+ '#type' => 'link',
+ '#title' => $revision->label(),
+ '#url' => $revision->toUrl('revision'),
+ '#prefix' => '<div class="diff-revision__item diff-revision__item-date">',
+ '#suffix' => '</div>',
+ ];
+ }
+ return $revision_link;
+ }
+
+ /**
+ * Build the filter navigation for the diff comparison.
+ *
+ * @param \Drupal\Core\Entity\ContentEntityInterface $entity
+ * The entity.
+ * @param \Drupal\Core\Entity\ContentEntityInterface $left_revision
+ * Revision from the left side.
+ * @param \Drupal\Core\Entity\ContentEntityInterface $right_revision
+ * Revision from the right side.
+ * @param string $layout
+ * The layout plugin selected.
+ * @param string $active_filter
+ * The active filter.
+ *
+ * @return array
+ * The filter options.
+ */
+ protected function buildFilterNavigation(ContentEntityInterface $entity, ContentEntityInterface $left_revision, ContentEntityInterface $right_revision, $layout, $active_filter) {
+ // Build the view modes filter.
+ $options['raw'] = [
+ 'title' => $this->t('Raw'),
+ 'url' => PluginRevisionController::diffRoute($entity,
+ $left_revision->getRevisionId(),
+ $right_revision->getRevisionId(),
+ $layout,
+ ['filter' => 'raw']
+ ),
+ ];
+
+ $options['strip_tags'] = [
+ 'title' => $this->t('Strip tags'),
+ 'url' => PluginRevisionController::diffRoute($entity,
+ $left_revision->getRevisionId(),
+ $right_revision->getRevisionId(),
+ $layout,
+ ['filter' => 'strip_tags']
+ ),
+ ];
+
+ $filter = $options[$active_filter];
+ unset($options[$active_filter]);
+ array_unshift($options, $filter);
+
+ $build['options'] = [
+ '#type' => 'operations',
+ '#links' => $options,
+ ];
+ return $build;
+ }
+
+ /**
+ * Applies a markdown function to a string.
+ *
+ * @param string $markdown
+ * Key of the markdown function to be applied to the items.
+ * One of drupal_html_to_text, filter_xss, filter_xss_all.
+ * @param string $items
+ * String to be processed.
+ *
+ * @return array|string
+ * Result after markdown was applied on $items.
+ */
+ protected function applyMarkdown($markdown, $items) {
+ if (!$markdown) {
+ return $items;
+ }
+
+ if ($markdown == 'drupal_html_to_text') {
+ return trim(MailFormatHelper::htmlToText($items), "\n");
+ }
+ elseif ($markdown == 'filter_xss') {
+ return trim(Xss::filter($items), "\n");
+ }
+ elseif ($markdown == 'filter_xss_all') {
+ return trim(Xss::filter($items, []), "\n");
+ }
+ else {
+ return $items;
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function defaultConfiguration() {
+ return [];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getConfiguration() {
+ return $this->configFactory->getEditable('diff.layout_plugins');
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function setConfiguration(array $configuration) {
+ $config = $this->configFactory->getEditable('diff.layout_plugins');
+ $config->set($this->pluginId, $configuration);
+ $config->save();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function calculateDependencies() {
+ return [];
+ }
+
+}
projects / yaffs-website / blobdiff