Add view for "no preview" repository files (#22482).

Patch by Gregor Schmidt.

git-svn-id: http://svn.redmine.org/redmine/trunk@15397 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/repositories_controller.rb

@@ -168,24 +168,26 @@ class RepositoriesController < ApplicationController
     # If the entry is a dir, show the browser
     (show; return) if @entry.is_dir?
 
-    @content = @repository.cat(@path, @rev)
-    (show_error_not_found; return) unless @content
-    if !is_raw && Redmine::MimeType.is_type?('image', @path)
-      # simply render
-    elsif is_raw ||
-         (@content.size && @content.size > Setting.file_max_size_displayed.to_i.kilobyte) ||
-         ! is_entry_text_data?(@content, @path)
+    if is_raw
       # Force the download
       send_opt = { :filename => filename_for_content_disposition(@path.split('/').last) }
       send_type = Redmine::MimeType.of(@path)
       send_opt[:type] = send_type.to_s if send_type
-      send_opt[:disposition] = (Redmine::MimeType.is_type?('image', @path) && !is_raw ? 'inline' : 'attachment')
-      send_data @content, send_opt
+      send_opt[:disposition] = (Redmine::MimeType.is_type?('image', @path) ? 'inline' : 'attachment')
+      send_data @repository.cat(@path, @rev), send_opt
     else
-      # Prevent empty lines when displaying a file with Windows style eol
-      # TODO: UTF-16
-      # Is this needs? AttachmentsController reads file simply.
-      @content.gsub!("\r\n", "\n")
+      if !@entry.size || @entry.size <= Setting.file_max_size_displayed.to_i.kilobyte
+        content = @repository.cat(@path, @rev)
+        (show_error_not_found; return) unless content
+
+        if content.size <= Setting.file_max_size_displayed.to_i.kilobyte &&
+           is_entry_text_data?(content, @path)
+          # TODO: UTF-16
+          # Prevent empty lines when displaying a file with Windows style eol
+          # Is this needed? AttachmentsController simply reads file.
+          @content = content.gsub("\r\n", "\n")
+        end
+      end
       @changeset = @repository.find_changeset_by_name(@rev)
     end
   end

app/views/common/_other.html.erb

@@ -0,0 +1 @@
+<p class="nodata"><%= l(:label_no_preview) %></p>

app/views/repositories/entry.html.erb

@@ -10,8 +10,10 @@
 
 <% if Redmine::MimeType.is_type?('image', @path) %>
   <%= render :partial => 'common/image', :locals => {:path => url_for(params.merge(:action => 'raw')), :alt => @path} %>
-<% else %>
+<% elsif @content %>
   <%= render :partial => 'common/file', :locals => {:filename => @path, :content => @content} %>
+<% else %>
+  <%= render :partial => 'common/other' %>
 <% end %>
 
 <% content_for :header_tags do %>

config/locales/de.yml

@@ -655,6 +655,7 @@ de:
   label_next: Weiter
   label_no_change_option: (Keine Änderung)
   label_no_data: Nichts anzuzeigen
+  label_no_preview: Keine Vorschau verfügbar
   label_no_issues_in_project: keine Tickets im Projekt
   label_nobody: Niemand
   label_none: kein

config/locales/en-GB.yml

@@ -531,6 +531,7 @@ en-GB:
   label_attribute: Attribute
   label_attribute_plural: Attributes
   label_no_data: No data to display
+  label_no_preview: No preview available
   label_change_status: Change status
   label_history: History
   label_attachment: File

config/locales/en.yml

@@ -617,6 +617,7 @@ en:
   label_attribute: Attribute
   label_attribute_plural: Attributes
   label_no_data: No data to display
+  label_no_preview: No preview available
   label_change_status: Change status
   label_history: History
   label_attachment: File

test/functional/repositories_filesystem_controller_test.rb

@@ -107,12 +107,13 @@ class RepositoriesFilesystemControllerTest < ActionController::TestCase
       end
     end
 
-    def test_show_text_file_should_send_if_too_big
+    def test_show_text_file_should_show_other_if_too_big
       with_settings :file_max_size_displayed => 1 do
         get :entry, :id => PRJ_ID,
             :path => repository_path_hash(['japanese', 'big-file.txt'])[:param]
         assert_response :success
-        assert_equal 'text/plain', @response.content_type
+        assert_equal 'text/html', @response.content_type
+        assert_select 'p.nodata'
       end
     end
 

test/functional/repositories_subversion_controller_test.rb

@@ -168,7 +168,7 @@ class RepositoriesSubversionControllerTest < ActionController::TestCase
       assert_template 'entry'
     end
 
-    def test_entry_should_send_if_too_big
+    def test_entry_should_show_other_if_too_big
       assert_equal 0, @repository.changesets.count
       @repository.fetch_changesets
       @project.reload
@@ -178,8 +178,8 @@ class RepositoriesSubversionControllerTest < ActionController::TestCase
         get :entry, :id => PRJ_ID,
             :path => repository_path_hash(['subversion_test', 'helloworld.c'])[:param]
         assert_response :success
-        assert_equal 'attachment; filename="helloworld.c"',
-                     @response.headers['Content-Disposition']
+        assert_equal 'text/html', @response.content_type
+        assert_select 'p.nodata'
       end
     end