diff --git a/src/Plugin/Block/MenuBlock.php b/src/Plugin/Block/MenuBlock.php
index fab522a..2ce579b 100644
--- a/src/Plugin/Block/MenuBlock.php
+++ b/src/Plugin/Block/MenuBlock.php
@@ -41,17 +41,73 @@ class MenuBlock extends SystemMenuBlock {
       '#description' => $this->t('All menu links that have children will "Show as expanded".'),
     ];
 
+    $form['advanced']['expand_only_active_trails'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('<strong>Expand only active tree</strong>'),
+      '#default_value' => $config['expand_only_active_trails'],
+      '#description' => $this->t('All menu links that are in active trails will "Show as expanded".'),
+      '#states' => [
+        'visible' => [
+          ':input[name="settings[expand]"]' => ['checked' => TRUE],
+        ]
+      ]
+    ];
+
     $menu_name = $this->getDerivativeId();
     $menus = Menu::loadMultiple(array($menu_name));
     $menus[$menu_name] = $menus[$menu_name]->label();
 
     /** @var \Drupal\Core\Menu\MenuParentFormSelectorInterface $menu_parent_selector */
     $menu_parent_selector = \Drupal::service('menu.parent_form_selector');
-    $form['advanced']['parent'] = $menu_parent_selector->parentSelectElement($config['parent'], '', $menus);
+    if (strpos($config['parent'], 'active_trail') === FALSE) {
+      $form['advanced']['parent'] = $menu_parent_selector->parentSelectElement($config['parent'], '', $menus);
+    }
+    else {
+      $form['advanced']['parent'] = [
+        '#type' => 'select',
+        '#options' => $menu_parent_selector->getParentSelectOptions('', $menus),
+        '#default_value' => $config['parent'],
+      ];
+    }
+    $form['advanced']['parent']['#options'] += [
+      $menu_name . ':active_trail' => $this->t('<Active trail>')->render(),
+      $menu_name . ':active_trail_parent' => $this->t('<Active trail parent>')->render(),
+      $menu_name . ':active_trail_custom' => $this->t('<Active trail custom depth>')->render(),
+    ];
 
     $form['advanced']['parent'] += [
       '#title' => $this->t('Fixed parent item'),
       '#description' => $this->t('Alter the options in “Menu levels” to be relative to the fixed parent item. The block will only contain children of the selected menu link.'),
+      '#attributes' => [
+        'class' => ['active-trail'],
+      ],
+    ];
+
+    $form['advanced']['custom_level'] = [
+      '#type' => 'select',
+      '#title' => $this->t('Set custom depth, set dynamically relative to the active trail.'),
+      '#default_value' => $config['custom_level'],
+      '#options' => range(0, 9),
+      '#states' => [
+        'visible' => [
+          '.active-trail' => ['value' => $menu_name . ':active_trail_custom'],
+        ],
+      ],
+    ];
+
+    $form['advanced']['hide_children'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Hide children of parent in active trail?'),
+      '#default_value' => $config['hide_children'],
+      '#states' => [
+        'visible' => [
+          '.active-trail' => [
+            ['value' => $menu_name . ':active_trail'],
+            ['value' => $menu_name . ':active_trail_parent'],
+            ['value' => $menu_name . ':active_trail_custom'],
+          ],
+        ],
+      ],
     ];
 
     $form['style'] = [
@@ -99,8 +155,11 @@ class MenuBlock extends SystemMenuBlock {
    */
   public function blockSubmit($form, FormStateInterface $form_state) {
     $this->configuration['level'] = $form_state->getValue('level');
+    $this->configuration['custom_level'] = $form_state->getValue('custom_level');
+    $this->configuration['hide_children'] = $form_state->getValue('hide_children');
     $this->configuration['depth'] = $form_state->getValue('depth');
     $this->configuration['expand'] = $form_state->getValue('expand');
+    $this->configuration['expand_only_active_trails'] = $form_state->getValue('expand_only_active_trails');
     $this->configuration['parent'] = $form_state->getValue('parent');
     $this->configuration['suggestion'] = $form_state->getValue('suggestion');
   }
@@ -114,11 +173,21 @@ class MenuBlock extends SystemMenuBlock {
 
     // Adjust the menu tree parameters based on the block's configuration.
     $level = $this->configuration['level'];
+    $custom_level = $this->configuration['custom_level'];
     $depth = $this->configuration['depth'];
     $expand = $this->configuration['expand'];
+    $expand_only_active_trails = $this->configuration['expand_only_active_trails'];
     $parent = $this->configuration['parent'];
+    $hide_children = $this->configuration['hide_children'];
     $suggestion = $this->configuration['suggestion'];
 
+    $trail_ids = $parameters->activeTrail;
+    $trail_ids = array_reverse(array_filter($trail_ids));
+
+    if ($parent == $menu_name . ':' . 'active_trail_custom') {
+      $level = $this->setActiveTrailLevel($level, $custom_level, $trail_ids);
+    }
+
     $parameters->setMinDepth($level);
     // When the depth is configured to zero, there is no depth limit. When depth
     // is non-zero, it indicates the number of levels that must be displayed.
@@ -161,7 +230,13 @@ class MenuBlock extends SystemMenuBlock {
       array('callable' => 'menu.default_tree_manipulators:checkAccess'),
       array('callable' => 'menu.default_tree_manipulators:generateIndexAndSort'),
     );
+
     $tree = $this->menuTree->transform($tree, $manipulators);
+    // Hide parent children if it is set in config.
+    if ($hide_children) {
+      $tree = $this->hideParentChildren($tree);
+    }
+
     $build = $this->menuTree->build($tree);
 
     if (!empty($build['#theme'])) {
@@ -175,14 +250,55 @@ class MenuBlock extends SystemMenuBlock {
     return $build;
   }
 
+  /**
+   * Set the menu level relative to the active trail.
+   */
+  public function setActiveTrailLevel($level, $custom_level, $trail_ids) {
+    $dynamic_level = count($trail_ids) - $custom_level;
+    if ($dynamic_level >= 1) {
+      $level = $dynamic_level;
+    }
+
+    return $level;
+  }
+
+  /**
+   * Hide the children of the active parent.
+   */
+  public function hideParentChildren($tree) {
+    $not_active_items = [];
+    $unset = FALSE;
+    if (count($tree)) {
+      foreach ($tree as $id => $branch) {
+        if (!$branch->inActiveTrail) {
+          $not_active_items[$id] = $id;
+        }
+        if ($branch->inActiveTrail && $branch->hasChildren) {
+          $unset = TRUE;
+        }
+      }
+    }
+
+    if ($unset) {
+      foreach ($not_active_items as $not_active_item) {
+        unset($tree[$not_active_item]);
+      }
+    }
+
+    return $tree;
+  }
+
   /**
    * {@inheritdoc}
    */
   public function defaultConfiguration() {
     return [
       'level' => 1,
+      'custom_level' => 1,
+      'hide_children' => 0,
       'depth' => 0,
       'expand' => 0,
+      'expand_only_active_trails' => 0,
       'parent' => $this->getDerivativeId() . ':',
       'suggestion' => strtr($this->getDerivativeId(), '-', '_'),
     ];