--- /dev/null
+<?php
+
+/**
+ * @file
+ * Allows configuring blocks and other configuration from the site front-end.
+ */
+
+use Drupal\Core\Asset\AttachedAssetsInterface;
+use Drupal\Core\Routing\RouteMatchInterface;
+use Drupal\outside_in\Block\BlockEntityOffCanvasForm;
+use Drupal\outside_in\Form\SystemBrandingOffCanvasForm;
+use Drupal\outside_in\Form\SystemMenuOffCanvasForm;
+
+/**
+ * Implements hook_help().
+ */
+function outside_in_help($route_name, RouteMatchInterface $route_match) {
+ switch ($route_name) {
+ case 'help.page.outside_in':
+ $output = '<h3>' . t('About') . '</h3>';
+ $output .= '<p>' . t('The Settings Tray module provides an \'edit mode\' in which clicking on a block opens a slide-out tray which allows configuration to be altered without leaving the page.For more information, see the <a href=":outside-in-documentation">online documentation for the Settings Tray module</a>.', [':outside-in-documentation' => 'https://www.drupal.org/documentation/modules/outside_in']) . '</p>';
+ $output .= '<h3>' . t('Uses') . '</h3>';
+ $output .= '<dl>';
+ $output .= '<dt>' . t('Editing blocks on the same page in the slide-out tray') . '</dt>';
+ $output .= '</dl>';
+ return ['#markup' => $output];
+ }
+}
+
+/**
+ * Implements hook_contextual_links_view_alter().
+ *
+ * Change Configure Blocks into off_canvas links.
+ */
+function outside_in_contextual_links_view_alter(&$element, $items) {
+ if (isset($element['#links']['outside-inblock-configure'])) {
+ // Place outside_in link first.
+ $outside_in_link = $element['#links']['outside-inblock-configure'];
+ unset($element['#links']['outside-inblock-configure']);
+ $element['#links'] = ['outside-inblock-configure' => $outside_in_link] + $element['#links'];
+
+ $element['#links']['outside-inblock-configure']['attributes'] = [
+ 'class' => ['use-ajax'],
+ 'data-dialog-type' => 'dialog',
+ 'data-dialog-renderer' => 'off_canvas',
+ 'data-outside-in-edit' => TRUE,
+ ];
+ // If this is content block change title to avoid duplicate "Quick Edit".
+ if (isset($element['#links']['block-contentblock-edit'])) {
+ $element['#links']['outside-inblock-configure']['title'] = t('Quick edit settings');
+ }
+
+ $element['#attached']['library'][] = 'outside_in/drupal.off_canvas';
+ }
+}
+
+/**
+ * Implements hook_block_view_alter().
+ */
+function outside_in_block_view_alter(array &$build) {
+ // Force a new 'data-contextual-id' attribute on blocks when this module is
+ // enabled so as not to reuse stale data cached client-side.
+ // @todo Remove when https://www.drupal.org/node/2773591 is fixed.
+ $build['#contextual_links']['outside_in'] = [
+ 'route_parameters' => [],
+ ];
+}
+
+/**
+ * Implements hook_element_info_alter().
+ */
+function outside_in_element_info_alter(&$type) {
+ if (isset($type['page'])) {
+ $type['page']['#theme_wrappers']['outside_in_page_wrapper'] = ['#weight' => -1000];
+ }
+}
+
+/**
+ * Implements hook_theme().
+ */
+function outside_in_theme() {
+ return [
+ 'outside_in_page_wrapper' => [
+ 'variables' => ['children' => NULL],
+ ],
+ ];
+}
+
+/**
+ * Implements hook_entity_type_build().
+ */
+function outside_in_entity_type_build(array &$entity_types) {
+ /* @var $entity_types \Drupal\Core\Entity\EntityTypeInterface[] */
+ $entity_types['block']
+ ->setFormClass('off_canvas', BlockEntityOffCanvasForm::class)
+ ->setLinkTemplate('off_canvas-form', '/admin/structure/block/manage/{block}/off-canvas');
+}
+
+/**
+ * Implements hook_preprocess_HOOK() for block templates.
+ */
+function outside_in_preprocess_block(&$variables) {
+ // The main system block does not contain the block contextual links.
+ $variables['#cache']['contexts'][] = 'outside_in_is_applied';
+ if ($variables['plugin_id'] !== 'system_main_block' && \Drupal::service('outside_in.manager')->isApplicable()) {
+ // Add class and attributes to all blocks to allow Javascript to target.
+ $variables['attributes']['class'][] = 'outside-in-editable';
+ $variables['attributes']['data-drupal-outsidein'] = 'editable';
+ }
+}
+
+/**
+ * Implements hook_toolbar_alter().
+ *
+ * Includes outside_library if Edit link is in toolbar.
+ */
+function outside_in_toolbar_alter(&$items) {
+ $items['contextual']['#cache']['contexts'][] = 'outside_in_is_applied';
+ if (isset($items['contextual']['tab']) && \Drupal::service('outside_in.manager')->isApplicable()) {
+ $items['contextual']['#weight'] = -1000;
+ $items['contextual']['#attached']['library'][] = 'outside_in/drupal.outside_in';
+ $items['contextual']['tab']['#attributes']['data-drupal-outsidein'] = 'toggle';
+
+ // Set a class on items to mark whether they should be active in edit mode.
+ // @todo Create a dynamic method for modules to set their own items.
+ // https://www.drupal.org/node/2784589
+
+ $edit_mode_items = ['contextual', 'block_place'];
+ foreach ($items as $key => $item) {
+ if (!in_array($key, $edit_mode_items) && (!isset($items[$key]['#wrapper_attributes']['class']) || !in_array('hidden', $items[$key]['#wrapper_attributes']['class']))) {
+ $items[$key]['#wrapper_attributes']['class'][] = 'edit-mode-inactive';
+ }
+ }
+ }
+}
+
+/**
+ * Implements hook_block_alter().
+ */
+function outside_in_block_alter(&$definitions) {
+ if (!empty($definitions['system_branding_block'])) {
+ $definitions['system_branding_block']['forms']['off_canvas'] = SystemBrandingOffCanvasForm::class;
+ }
+
+ // Since menu blocks use derivatives, check the definition ID instead of
+ // relying on the plugin ID.
+ foreach ($definitions as &$definition) {
+ if ($definition['id'] === 'system_menu_block') {
+ $definition['forms']['off_canvas'] = SystemMenuOffCanvasForm::class;
+ }
+ }
+}
+
+/**
+ * Implements hook_css_alter().
+ */
+function outside_in_css_alter(&$css, AttachedAssetsInterface $assets) {
+ // @todo Remove once conditional ordering is introduced in
+ // https://www.drupal.org/node/1945262.
+ $path = drupal_get_path('module', 'outside_in') . '/css/outside_in.theme.css';
+ if (isset($css[$path])) {
+ // Use 200 to come after CSS_AGGREGATE_THEME.
+ $css[$path]['group'] = 200;
+ }
+}