Resolve "Add Web IDE button to project page"

app/helpers/application_helper.rb

@@ -311,7 +311,7 @@ module ApplicationHelper
   end
 
   def show_new_ide?(project)
-    cookies["new_repo"] == "true" && body_data_page != 'projects:show' && project.feature_available?(:ide)
+    cookies["new_repo"] == "true" && project.feature_available?(:ide)
   end
 
   def locale_path

app/views/projects/tree/_tree_header.html.haml

@@ -72,14 +72,14 @@
                   #{ _('New tag') }
 
 .tree-controls
-  - if show_new_ide?(@project)
-    = succeed " " do
-      = link_to ide_edit_path(@project, @id), class: 'btn btn-default' do
-        = ide_edit_text
-
   = lock_file_link(html_options: { class: 'btn path-lock' })
   = link_to s_('Commits|History'), project_commits_path(@project, @id), class: 'btn'
 
   = render 'projects/find_file_link'
 
+  - if show_new_ide?(@project)
+    = succeed " " do
+      = link_to ide_edit_path(@project, @id), class: 'btn btn-default' do
+        = ide_edit_text
+
   = render 'projects/buttons/download', project: @project, ref: @ref

changelogs/unreleased/4613-add-web-ide-button-to-project-page.yml

+---
+title: Activated the Web IDE Button also on the main project page
+merge_request: 4250
+author:
+type: other

spec/features/projects/tree/create_file_spec.rb

@@ -12,7 +12,7 @@ feature 'Multi-file editor new file', :js do
 
     set_cookie('new_repo', 'true')
 
-    visit project_tree_path(project, :master)
+    visit project_path(project)
 
     wait_for_requests