From b16414c1f4d72757a7c375f918535fe524d00f74 Mon Sep 17 00:00:00 2001
From: "karel.picman@lbcfree.net" <karel.picman@lbcfree.net>
Date: Mon, 21 Dec 2020 15:44:29 +0100
Subject: [PATCH] #1195 Move to the bottom button

---
 app/controllers/dmsf_upload_controller.rb   |  2 +-
 app/views/dmsf_upload/upload_files.html.erb | 27 ++++++++++++++++++++-
 assets/stylesheets/redmine_dmsf.css         | 25 +++++++++++++++++++
 3 files changed, 52 insertions(+), 2 deletions(-)

diff --git a/app/controllers/dmsf_upload_controller.rb b/app/controllers/dmsf_upload_controller.rb
index fba1b671..f003ff1d 100644
--- a/app/controllers/dmsf_upload_controller.rb
+++ b/app/controllers/dmsf_upload_controller.rb
@@ -71,7 +71,7 @@ class DmsfUploadController < ApplicationController
       @attachment.skip_description_required = true
     end
     begin
-      Attachment.skip_callback(:commit, :after, :reuse_existing_file_if_possible)
+      Attachment.skip_callback(:commit, :after, :reuse_existing_file_if_possible, raise: false)
       saved = @attachment.save
     ensure
       Attachment.set_callback(:commit, :after, :reuse_existing_file_if_possible)
diff --git a/app/views/dmsf_upload/upload_files.html.erb b/app/views/dmsf_upload/upload_files.html.erb
index d6babffc..f26b2660 100644
--- a/app/views/dmsf_upload/upload_files.html.erb
+++ b/app/views/dmsf_upload/upload_files.html.erb
@@ -27,6 +27,12 @@
 <%= render partial: '/dmsf/path',
       locals: { folder: @folder, filename: nil, title: l(:heading_uploaded_files) } %>
 
+<% if @uploads.size > 1 %>
+  <div class="dmsf-scroll">
+    <a class="dmsf-scroll-down" href="#footer"><%= l(:label_scroll_down) %></a>
+  </div>
+<% end %>
+
 <% if (@folder && @folder.description.present?) || @project.dmsf_description.present? %>
   <div class="wiki">
     <%= textilizable(@folder ? @folder.description : @project.dmsf_description) %>
@@ -39,7 +45,7 @@
       <% if upload.locked %>
         <%= render partial: 'upload_file_locked', locals: { upload: upload, i: i } %>
       <% else %>
-        <%= render partial: 'upload_file', locals: { upload: upload, i: i, wiki: @wiki } %>
+        <%= render partial: 'upload_file', locals: { upload: upload, i: i, wiki: @wiki, n: @uploads.size } %>
       <% end %>
     <% end %>
     <div class="form-actions">
@@ -47,3 +53,22 @@
     </div>
   <% end %>
 <% end %>
+
+<%= late_javascript_tag do %>
+  // When the user scrolls the page, execute scrollFunction
+  window.onscroll = function() {
+    scrollFunction()
+  };
+  var scroller = $(".dmsf-scroll");
+  var firstUploadBox = $(".dmfs-box-tabular:first");
+  var offset = firstUploadBox.offset();
+  // Add the sticky class to the header when you reach its scroll position.
+  // Remove "sticky" when you leave the scroll position
+  function scrollFunction() {
+    if (window.pageYOffset > offset.top) {
+      scroller.addClass("dmsf-sticky");
+    } else {
+      scroller.removeClass("dmsf-sticky");
+    }
+  }
+<% end %>
diff --git a/assets/stylesheets/redmine_dmsf.css b/assets/stylesheets/redmine_dmsf.css
index c5e86f8d..a47a90dc 100644
--- a/assets/stylesheets/redmine_dmsf.css
+++ b/assets/stylesheets/redmine_dmsf.css
@@ -327,6 +327,31 @@ div[id*="revision_access_"] {
     padding-top: 10px
 }
 
+a.dmsf-scroll-down {
+    background: url(../../../images/arrow_down.png) no-repeat 5px 50%;
+    background-color: #759FCF;
+    text-decoration: none;
+    color: #FFFFFF;
+    font-weight: bold;
+    font-size: 0.8em;
+    float: right;
+    padding: 2px 9px 3px 20px;
+    margin-right: 20px;
+    border-bottom-left-radius: 3px;
+    border-bottom-right-radius: 3px;
+}
+
+div.dmsf-sticky {
+    position: fixed;
+    right: 10px;
+    top: 0;
+    z-index: 10000;
+}
+
+div.dmsf-scroll {
+    width: 100%;
+}
+
 /* New link form */
 #dmsf_link_target_file_id, #dmsf_link_target_folder_id, #dmsf_link_target_project_id, #dmsf_link_name{
     min-width: 40%;