From 927e04b4adf53c5143f26afdce275e546580337e Mon Sep 17 00:00:00 2001
From: MarcoViglione-Laser <marco.viglione@laser-group.com>
Date: Thu, 18 Jul 2019 21:07:15 +0200
Subject: [PATCH] Allows selected contents to not be lost after changing page
 (#8248)

Fixes #8247
---
 .../Scripts/SelectableContentTab.js           | 36 ++++++++++++++-----
 1 file changed, 28 insertions(+), 8 deletions(-)

diff --git a/src/Orchard.Web/Modules/Orchard.ContentPicker/Scripts/SelectableContentTab.js b/src/Orchard.Web/Modules/Orchard.ContentPicker/Scripts/SelectableContentTab.js
index 2bc82e196..3e230a5b8 100644
--- a/src/Orchard.Web/Modules/Orchard.ContentPicker/Scripts/SelectableContentTab.js
+++ b/src/Orchard.Web/Modules/Orchard.ContentPicker/Scripts/SelectableContentTab.js
@@ -1,12 +1,18 @@
 jQuery(function ($) {
 
     Initialize = function () {
- 
-        $('.button.addSelected').on('click', function () {
-            var selectedItems = $('.content-picker-itemCheck:checked');
-            var itemsToAdd = new Array();
-            $.each(selectedItems, function (index, item) {
-                var related = $(item).siblings('.content-picker-item').children('.related');
+        $('.content-picker-itemCheck').each(function () {
+            var related = $(this).siblings('.content-picker-item').children('.related');
+
+            if (window.sessionStorage.getItem(related.data("id")) != null) {
+                $(this).prop('checked', true);
+            }
+        });
+
+        $('.content-picker-itemCheck').change(function () {
+            var related = $(this).siblings('.content-picker-item').children('.related');
+
+            if (this.checked) {
                 var data = {
                     id: related.data("id"),
                     displayText: related.data("display-text"),
@@ -16,13 +22,27 @@
                     displayLink: related.data("display-link"),
                     published: related.data("published")
                 };
-                return itemsToAdd.push(data);
-            });
+
+                window.sessionStorage.setItem(related.data("id"), JSON.stringify(data));
+            } else {
+                window.sessionStorage.removeItem(related.data("id"));
+            }
+        });
+
+        $('.button.addSelected').on('click', function () {
+            var itemsToAdd = new Array();
+            for (var i = 0; i < sessionStorage.length; i++) {
+                var data = window.sessionStorage.getItem(sessionStorage.key(i));
+                itemsToAdd.push(JSON.parse(data));
+            }
+            window.sessionStorage.clear();
             window.opener.jQuery[query("callback")](itemsToAdd);
             window.close();
         });
+
         $('.content-picker-SelectAll').on('click', function () {
             $('.content-picker-itemCheck').prop('checked', $(this).prop("checked"));
+            $('.content-picker-itemCheck').change();
         });
     };