Ability to disable unused SCM adapters in application settings.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1507 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/repositories_controller.rb

@@ -34,9 +34,9 @@ class RepositoriesController < ApplicationController
     @repository = @project.repository
     if !@repository
       @repository = Repository.factory(params[:repository_scm])
-      @repository.project = @project
+      @repository.project = @project if @repository
     end
-    if request.post?
+    if request.post? && @repository
       @repository.attributes = params[:repository]
       @repository.save
     end

app/helpers/repositories_helper.rb

@@ -48,10 +48,13 @@ module RepositoriesHelper
   end
   
   def scm_select_tag(repository)
-    container = [[]]
-    REDMINE_SUPPORTED_SCM.each {|scm| container << ["Repository::#{scm}".constantize.scm_name, scm]}
+    scm_options = [["--- #{l(:actionview_instancetag_blank_option)} ---", '']]
+    REDMINE_SUPPORTED_SCM.each do |scm|
+      scm_options << ["Repository::#{scm}".constantize.scm_name, scm] if Setting.enabled_scm.include?(scm) || (repository && repository.class.name.demodulize == scm)
+    end
+    
     select_tag('repository_scm', 
-               options_for_select(container, repository.class.name.demodulize),
+               options_for_select(scm_options, repository.class.name.demodulize),
                :disabled => (repository && !repository.new_record?),
                :onchange => remote_function(:url => { :controller => 'repositories', :action => 'edit', :id => @project }, :method => :get, :with => "Form.serialize(this.form)")
                )

app/models/repository.rb

@@ -19,7 +19,10 @@ class Repository < ActiveRecord::Base
   belongs_to :project
   has_many :changesets, :dependent => :destroy, :order => "#{Changeset.table_name}.committed_on DESC, #{Changeset.table_name}.id DESC"
   has_many :changes, :through => :changesets
-    
+  
+  # Checks if the SCM is enabled when creating a repository
+  validate_on_create { |r| r.errors.add(:type, :activerecord_error_invalid) unless Setting.enabled_scm.include?(r.class.name.demodulize) }
+  
   # Removes leading and trailing whitespace
   def url=(arg)
     write_attribute(:url, arg ? arg.to_s.strip : nil)

app/views/projects/settings/_repository.rhtml

@@ -17,5 +17,5 @@
             :class => 'icon icon-del') if @repository && !@repository.new_record? %>
 </div>
 
-<%= submit_tag((@repository.nil? || @repository.new_record?) ? l(:button_create) : l(:button_save)) %>
+<%= submit_tag((@repository.nil? || @repository.new_record?) ? l(:button_create) : l(:button_save), :disabled => @repository.nil?) %>
 <% end %>

app/views/settings/_repositories.rhtml

@@ -7,6 +7,13 @@
 <p><label><%= l(:setting_sys_api_enabled) %></label>
 <%= check_box_tag 'settings[sys_api_enabled]', 1, Setting.sys_api_enabled? %><%= hidden_field_tag 'settings[sys_api_enabled]', 0 %></p>
 
+<p><label><%= l(:setting_enabled_scm) %></label>
+<% REDMINE_SUPPORTED_SCM.each do |scm| -%>
+<%= check_box_tag 'settings[enabled_scm][]', scm, Setting.enabled_scm.include?(scm) %> <%= scm %>
+<% end -%>
+<%= hidden_field_tag 'settings[enabled_scm][]', '' %>
+</p>
+
 <p><label><%= l(:setting_repositories_encodings) %></label>
 <%= text_field_tag 'settings[repositories_encodings]', Setting.repositories_encodings, :size => 60 %><br /><em><%= l(:text_comma_separated) %></em></p>
 </div>