From 423a2f83db32aa7840ea97675d96a63863edfee7 Mon Sep 17 00:00:00 2001
From: Bohung <bohung@rulingcom.com>
Date: Tue, 15 Jun 2021 16:10:51 +0800
Subject: [PATCH] Fix bug for edge.

---
 app/views/admin/archive_files/_form.html.erb | 44 ++++++++++++++++++--
 1 file changed, 40 insertions(+), 4 deletions(-)

diff --git a/app/views/admin/archive_files/_form.html.erb b/app/views/admin/archive_files/_form.html.erb
index 65a3dc8..310f829 100644
--- a/app/views/admin/archive_files/_form.html.erb
+++ b/app/views/admin/archive_files/_form.html.erb
@@ -222,8 +222,33 @@
 <% content_for :page_specific_javascript do %>
   <script>
     function FileListItems (files) {
-      var b = new ClipboardEvent("").clipboardData || new DataTransfer()
-      for (var i = 0, len = files.length; i<len; i++) b.items.add(files[i])
+      var b;
+      if(window.dataTransfer){
+        b = window.dataTransfer;
+      }else{
+        if(typeof(ClipboardEvent) == "undefined"){ //IE
+          b = new DataTransfer();
+        }else{
+          b = new ClipboardEvent("").clipboardData;
+        }
+      }
+      if(b.items){
+        b.items.clear();
+      }else{
+        if(b.files.length != 0 ){
+          var files_length = b.files.length;
+          for(var i = files_length - 1;i >= 0;i = i - 1){
+            delete b.files[i];
+          }
+        }
+      }
+      for (var i = 0, len = files.length; i<len; i++){
+        if(b.items){
+          b.items.add(files[i])
+        }else{
+          b.files[i] = files[i];
+        }
+      }
       return b.files
     }
     function change_files_to_file_field(file_field,files){
@@ -232,7 +257,15 @@
         fileupload.find(".fileupload-preview").text(files[0].name);
       }
       var files_list = new FileListItems(files)
-      $(file_field).prop("files" ,files_list);
+      $(file_field)[0].files = files_list;
+      if($(file_field)[0].files.length == 0){ //Change failed
+        var file_field_values = [];
+        for(var i = 0; i < files_list.length; i++){
+          $(file_field)[0].files[i] = files_list[i];
+          file_field_values.push("C:\\fakepath\\" + files_list[i].name);
+        }
+        $(file_field)[0].value = file_field_values.join(", ");
+      }
     }
     function dragOverHandler(ev) {
       document.activeElement.blur();
@@ -241,6 +274,7 @@
       ev.preventDefault();
     }
     function dropHandler(ev) {
+      window.dataTransfer = ev.dataTransfer;
       // Prevent default behavior (Prevent file from being opened)
       ev.preventDefault();
       var files = [];
@@ -265,7 +299,9 @@
         var file_field = add_file_field();
         change_files_to_file_field(file_field,single_file);
       })
-      $(ev.target).removeClass("in");
+      window.files = files;
+      var target = ev.target ? ev.target : ev.srcElement;
+      $(target).removeClass("in");
     }
     function add_file_field(){
       var self = $('#add_file');