--- /dev/null
+<?php
+
+namespace Drupal\workspaces;
+
+use Drupal\Component\Serialization\Json;
+use Drupal\Core\Ajax\AjaxHelperTrait;
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\EntityListBuilder;
+use Drupal\Core\Entity\EntityStorageInterface;
+use Drupal\Core\Entity\EntityTypeInterface;
+use Drupal\Core\Url;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Defines a class to build a listing of workspace entities.
+ *
+ * @see \Drupal\workspaces\Entity\Workspace
+ */
+class WorkspaceListBuilder extends EntityListBuilder {
+
+ use AjaxHelperTrait;
+
+ /**
+ * The workspace manager service.
+ *
+ * @var \Drupal\workspaces\WorkspaceManagerInterface
+ */
+ protected $workspaceManager;
+
+ /**
+ * Constructs a new EntityListBuilder object.
+ *
+ * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
+ * The entity type definition.
+ * @param \Drupal\Core\Entity\EntityStorageInterface $storage
+ * The entity storage class.
+ * @param \Drupal\workspaces\WorkspaceManagerInterface $workspace_manager
+ * The workspace manager service.
+ */
+ public function __construct(EntityTypeInterface $entity_type, EntityStorageInterface $storage, WorkspaceManagerInterface $workspace_manager) {
+ parent::__construct($entity_type, $storage);
+ $this->workspaceManager = $workspace_manager;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
+ return new static(
+ $entity_type,
+ $container->get('entity.manager')->getStorage($entity_type->id()),
+ $container->get('workspaces.manager')
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildHeader() {
+ $header['label'] = $this->t('Workspace');
+ $header['uid'] = $this->t('Owner');
+
+ return $header + parent::buildHeader();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildRow(EntityInterface $entity) {
+ /** @var \Drupal\workspaces\WorkspaceInterface $entity */
+ $row['data'] = [
+ 'label' => $entity->label(),
+ 'owner' => $entity->getOwner()->getDisplayname(),
+ ];
+ $row['data'] = $row['data'] + parent::buildRow($entity);
+
+ $active_workspace = $this->workspaceManager->getActiveWorkspace();
+ if ($entity->id() === $active_workspace->id()) {
+ $row['class'] = 'active-workspace';
+ }
+ return $row;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getDefaultOperations(EntityInterface $entity) {
+ /** @var \Drupal\workspaces\WorkspaceInterface $entity */
+ $operations = parent::getDefaultOperations($entity);
+ if (isset($operations['edit'])) {
+ $operations['edit']['query']['destination'] = $entity->toUrl('collection')->toString();
+ }
+
+ $active_workspace = $this->workspaceManager->getActiveWorkspace();
+ if ($entity->id() != $active_workspace->id()) {
+ $operations['activate'] = [
+ 'title' => $this->t('Switch to @workspace', ['@workspace' => $entity->label()]),
+ // Use a weight lower than the one of the 'Edit' operation because we
+ // want the 'Activate' operation to be the primary operation.
+ 'weight' => 0,
+ 'url' => $entity->toUrl('activate-form', ['query' => ['destination' => $entity->toUrl('collection')->toString()]]),
+ ];
+ }
+
+ if (!$entity->isDefaultWorkspace()) {
+ $operations['deploy'] = [
+ 'title' => $this->t('Deploy content'),
+ // The 'Deploy' operation should be the default one for the currently
+ // active workspace.
+ 'weight' => ($entity->id() == $active_workspace->id()) ? 0 : 20,
+ 'url' => $entity->toUrl('deploy-form', ['query' => ['destination' => $entity->toUrl('collection')->toString()]]),
+ ];
+ }
+
+ return $operations;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function load() {
+ $entities = parent::load();
+ // Make the active workspace more visible by moving it first in the list.
+ $active_workspace = $this->workspaceManager->getActiveWorkspace();
+ $entities = [$active_workspace->id() => $entities[$active_workspace->id()]] + $entities;
+ return $entities;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function render() {
+ $build = parent::render();
+ if ($this->isAjax()) {
+ $this->offCanvasRender($build);
+ }
+ else {
+ $build['#attached'] = [
+ 'library' => ['workspaces/drupal.workspaces.overview'],
+ ];
+ }
+ return $build;
+ }
+
+ /**
+ * Renders the off canvas elements.
+ *
+ * @param array $build
+ * A render array.
+ */
+ protected function offCanvasRender(array &$build) {
+ $active_workspace = $this->workspaceManager->getActiveWorkspace();
+ $row_count = count($build['table']['#rows']);
+ $build['active_workspace'] = [
+ '#type' => 'container',
+ '#weight' => -20,
+ '#attributes' => [
+ 'class' => [
+ 'active-workspace',
+ $active_workspace->isDefaultWorkspace() ? 'active-workspace--default' : 'active-workspace--not-default',
+ 'active-workspace--' . $active_workspace->id(),
+ ],
+ ],
+ 'label' => [
+ '#type' => 'label',
+ '#prefix' => '<div class="active-workspace__title">' . $this->t('Current workspace:') . '</div>',
+ '#title' => $active_workspace->label(),
+ '#title_display' => '',
+ '#attributes' => ['class' => 'active-workspace__label'],
+ ],
+ 'manage' => [
+ '#type' => 'link',
+ '#title' => $this->t('Manage workspaces'),
+ '#url' => $active_workspace->toUrl('collection'),
+ '#attributes' => [
+ 'class' => ['active-workspace__manage'],
+ ],
+ ],
+ ];
+ if (!$active_workspace->isDefaultWorkspace()) {
+ $build['active_workspace']['actions'] = [
+ '#type' => 'container',
+ '#weight' => 20,
+ '#attributes' => [
+ 'class' => ['active-workspace__actions'],
+ ],
+ 'deploy' => [
+ '#type' => 'link',
+ '#title' => $this->t('Deploy content'),
+ '#url' => $active_workspace->toUrl('deploy-form', ['query' => ['destination' => $active_workspace->toUrl('collection')->toString()]]),
+ '#attributes' => [
+ 'class' => ['button', 'active-workspace__button'],
+ ],
+ ],
+ ];
+ }
+ if ($row_count > 2) {
+ $build['all_workspaces'] = [
+ '#type' => 'link',
+ '#title' => $this->t('View all @count workspaces', ['@count' => $row_count]),
+ '#url' => $active_workspace->toUrl('collection'),
+ '#attributes' => [
+ 'class' => ['all-workspaces'],
+ ],
+ ];
+ }
+ $items = [];
+ $rows = array_slice($build['table']['#rows'], 0, 5, TRUE);
+ foreach ($rows as $id => $row) {
+ if ($active_workspace->id() !== $id) {
+ $url = Url::fromRoute('entity.workspace.activate_form', ['workspace' => $id]);
+ $default_class = $id === WorkspaceInterface::DEFAULT_WORKSPACE ? 'workspaces__item--default' : 'workspaces__item--not-default';
+ $items[] = [
+ '#type' => 'link',
+ '#title' => $row['data']['label'],
+ '#url' => $url,
+ '#attributes' => [
+ 'class' => ['use-ajax', 'workspaces__item', $default_class],
+ 'data-dialog-type' => 'modal',
+ 'data-dialog-options' => Json::encode([
+ 'width' => 500,
+ ]),
+ ],
+ ];
+ }
+ }
+ $build['workspaces'] = [
+ '#theme' => 'item_list',
+ '#items' => $items,
+ '#wrapper_attributes' => ['class' => ['workspaces']],
+ '#cache' => [
+ 'contexts' => $this->entityType->getListCacheContexts(),
+ 'tags' => $this->entityType->getListCacheTags(),
+ ],
+ ];
+ unset($build['table']);
+ unset($build['pager']);
+ }
+
+}