Initial commit

lmmi.info.yml

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+name: 'lmmi'
+type: module
+description: 'Custom extensions for the LMMI Journal site'
+core: 8.x
+package: 'LMMI'
+dependencies:
+  - toc_api

lmmi.module

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+<?php
+
+/**
+ * @file
+ * Contains lmmi.module.
+ */
+
+use Drupal\Core\Routing\RouteMatchInterface;
+
+/**
+ * Implements hook_help().
+ */
+function lmmi_help($route_name, RouteMatchInterface $route_match) {
+  switch ($route_name) {
+    // Main module help for the lmmi module.
+    case 'help.page.lmmi':
+      $output = '';
+      $output .= '<h3>' . t('About') . '</h3>';
+      $output .= '<p>' . t('Custom extensions for the LMMI Journal site') . '</p>';
+      return $output;
+
+    default:
+  }
+}

src/Plugin/Block/TocWrapperBlock.php

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+<?php
+
+namespace Drupal\lmmi\Plugin\Block;
+
+use Drupal\Core\Block\BlockBase;
+use Drupal\toc_api\Plugin\Block\TocBlockBase;
+/**
+ * Provides a 'TocWrapperBlock' block.
+ *
+ * @Block(
+ *  id = "toc_wrapper_block",
+ *  admin_label = @Translation("ToC Wrapper Block"),
+ * )
+ */
+class TocWrapperBlock extends TocBlockBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function build() {
+    if ($this->getCurrentToc()) {
+      return parent::build();
+    }
+
+    return [];
+  }
+  /**
+   * @inheritdoc
+   */
+  protected function getCurrentTocId() {
+    return 'toc_filter';
+  }
+}