diff --git a/admin/tool/lp/amd/build/tree.min.js b/admin/tool/lp/amd/build/tree.min.js
index d6d373a1320a0a5682f4a8403d428f6cffc02f6a..d28aadf5a096d4b797148780f74acca47403bdee 100644
GIT binary patch
delta 173
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ICTqtG0F@s+K>z>%

delta 21
dcmccU^2K384)11B{yhH4r-ei}pOI^21^{Kv2yp-a

diff --git a/admin/tool/lp/amd/build/tree.min.js.map b/admin/tool/lp/amd/build/tree.min.js.map
index d2b98e75cb3802874599599b93b099ac38f0b12c..a148e969d31ab5ae8e683a8eb81aa4f567ac6fee 100644
GIT binary patch
delta 2910
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Sf*w-cbvr}?{_AT0qkjOd!&0vR

delta 2336
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PI2((0!AYmAg-`wi?=7Q7

diff --git a/admin/tool/lp/amd/src/tree.js b/admin/tool/lp/amd/src/tree.js
index 561878bf19e..fcbabfb1376 100644
--- a/admin/tool/lp/amd/src/tree.js
+++ b/admin/tool/lp/amd/src/tree.js
@@ -221,6 +221,39 @@ define(['jquery', 'core/url', 'core/log'], function($, url, log) {
         this.triggerChange();
     };
 
+    /**
+     * Toggle selected parent and its children. Make sure all the parents are expanded.
+     *
+     * @method selectItemChildren
+     * @param {Object} item is the jquery id of the newly selected item.
+     */
+    Tree.prototype.toggleItemNChildren = function(item) {
+        // Expand all nodes up the tree.
+        var walk = item.parent();
+        while (walk.attr('role') != 'tree') {
+            walk = walk.parent();
+            if (walk.attr('aria-expanded') == 'false') {
+                this.expandGroup(walk);
+            }
+            walk = walk.parent();
+        }
+         var current = item.attr('aria-selected');
+         if (current === 'true') {
+            current = 'false';
+        } else {
+            current = 'true';
+        }
+        item.attr('aria-selected', current);
+        //Select all children if it is a parent node.
+        if (item.has('ul')) {
+            item.find('li').each(function() {
+                var currentItem = $(this);
+               currentItem.attr('aria-selected', current);
+            });
+        }
+        this.triggerChange();
+    };
+
     /**
      * Toggle the selected state for an item back and forth.
      *
@@ -559,7 +592,11 @@ define(['jquery', 'core/url', 'core/log'], function($, url, log) {
     Tree.prototype.handleClick = function(item, e) {
 
         if (e.shiftKey) {
-            this.multiSelectItem(item);
+            if (e.shiftKey && e.altKey) {
+                this.toggleItemNChildren(item);
+            } else {
+                this.multiSelectItem(item);
+            }
         } else if (e.metaKey || e.ctrlKey) {
             this.toggleItem(item);
         } else {