Allows multiple roles on the same project (#706). Prerequisite for user groups feature.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2726 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/application.rb

@@ -38,10 +38,6 @@ class ApplicationController < ActionController::Base
     require_dependency "repository/#{scm.underscore}"
   end
   
-  def current_role
-    @current_role ||= User.current.role_for_project(@project)
-  end
-  
   def user_setup
     # Check the settings cache for each request
     Setting.check_cache

app/controllers/issues_controller.rb

@@ -146,7 +146,7 @@ class IssuesController < ApplicationController
       return
     end    
     @issue.status = default_status
-    @allowed_statuses = ([default_status] + default_status.find_new_statuses_allowed_to(User.current.role_for_project(@project), @issue.tracker)).uniq
+    @allowed_statuses = ([default_status] + default_status.find_new_statuses_allowed_to(User.current.roles_for_project(@project), @issue.tracker)).uniq
     
     if request.get? || request.xhr?
       @issue.start_date ||= Date.today

app/controllers/members_controller.rb

@@ -48,7 +48,12 @@ class MembersController < ApplicationController
     if request.post? and @member.update_attributes(params[:member])
   	 respond_to do |format|
         format.html { redirect_to :controller => 'projects', :action => 'settings', :tab => 'members', :id => @project }
-        format.js { render(:update) {|page| page.replace_html "tab-content-members", :partial => 'projects/settings/members'} }
+        format.js { 
+          render(:update) {|page| 
+            page.replace_html "tab-content-members", :partial => 'projects/settings/members'
+            page.visual_effect(:highlight, "member-#{@member.id}")
+          }
+        }
       end
     end
   end

app/controllers/projects_controller.rb

@@ -112,7 +112,7 @@ class ProjectsController < ApplicationController
       redirect_to_project_menu_item(@project, params[:jump]) && return
     end
     
-    @members_by_role = @project.members.find(:all, :include => [:user, :role], :order => 'position').group_by {|m| m.role}
+    @members_by_role = @project.members.find(:all, :include => [:user, :roles], :order => 'position').group_by {|m| m.roles.first}
     @subprojects = @project.children.visible
     @news = @project.news.find(:all, :limit => 5, :include => [ :author, :project ], :order => "#{News.table_name}.created_on DESC")
     @trackers = @project.rolled_up_trackers

app/controllers/queries_controller.rb

@@ -24,7 +24,7 @@ class QueriesController < ApplicationController
     @query = Query.new(params[:query])
     @query.project = params[:query_is_for_all] ? nil : @project
     @query.user = User.current
-    @query.is_public = false unless (@query.project && current_role.allowed_to?(:manage_public_queries)) || User.current.admin?
+    @query.is_public = false unless User.current.allowed_to?(:manage_public_queries, @project) || User.current.admin?
     @query.column_names = nil if params[:default_columns]
     
     params[:fields].each do |field|
@@ -48,7 +48,7 @@ class QueriesController < ApplicationController
       end if params[:fields]
       @query.attributes = params[:query]
       @query.project = nil if params[:query_is_for_all]
-      @query.is_public = false unless (@query.project && current_role.allowed_to?(:manage_public_queries)) || User.current.admin?
+      @query.is_public = false unless User.current.allowed_to?(:manage_public_queries, @project) || User.current.admin?
       @query.column_names = nil if params[:default_columns]
       
       if @query.save

app/controllers/roles_controller.rb

@@ -40,7 +40,7 @@ class RolesController < ApplicationController
         @role.workflows.copy(copy_from)
       end
       flash[:notice] = l(:notice_successful_create)
-      redirect_to :action => 'list'
+      redirect_to :action => 'index'
     end
     @permissions = @role.setable_permissions
     @roles = Role.find :all, :order => 'builtin, position'
@@ -50,7 +50,7 @@ class RolesController < ApplicationController
     @role = Role.find(params[:id])
     if request.post? and @role.update_attributes(params[:role])
       flash[:notice] = l(:notice_successful_update)
-      redirect_to :action => 'list'
+      redirect_to :action => 'index'
     end
     @permissions = @role.setable_permissions
   end
@@ -58,7 +58,7 @@ class RolesController < ApplicationController
   def destroy
     @role = Role.find(params[:id])
     @role.destroy
-    redirect_to :action => 'list'
+    redirect_to :action => 'index'
   rescue
     flash[:error] = 'This role is in use and can not be deleted.'
     redirect_to :action => 'index'
@@ -73,7 +73,7 @@ class RolesController < ApplicationController
         role.save
       end
       flash[:notice] = l(:notice_successful_update)
-      redirect_to :action => 'list'
+      redirect_to :action => 'index'
     end
   end
 end

app/controllers/users_controller.rb

@@ -86,10 +86,7 @@ class UsersController < ApplicationController
       end
     end
     @auth_sources = AuthSource.find(:all)
-    @roles = Role.find_all_givable
-    @projects = Project.active.find(:all, :order => 'lft')
     @membership ||= Member.new
-    @memberships = @user.memberships
   end
   
   def edit_membership
@@ -97,12 +94,23 @@ class UsersController < ApplicationController
     @membership = params[:membership_id] ? Member.find(params[:membership_id]) : Member.new(:user => @user)
     @membership.attributes = params[:membership]
     @membership.save if request.post?
-    redirect_to :action => 'edit', :id => @user, :tab => 'memberships'
+    respond_to do |format|
+       format.html { redirect_to :controller => 'users', :action => 'edit', :id => @user, :tab => 'memberships' }
+       format.js { 
+         render(:update) {|page| 
+           page.replace_html "tab-content-memberships", :partial => 'users/memberships'
+           page.visual_effect(:highlight, "member-#{@membership.id}")
+         }
+       }
+     end
   end
   
   def destroy_membership
     @user = User.find(params[:id])
     Member.find(params[:membership_id]).destroy if request.post?
-    redirect_to :action => 'edit', :id => @user, :tab => 'memberships'
+    respond_to do |format|
+      format.html { redirect_to :controller => 'users', :action => 'edit', :id => @user, :tab => 'memberships' }
+      format.js { render(:update) {|page| page.replace_html "tab-content-memberships", :partial => 'users/memberships'} }
+    end
   end
 end

app/helpers/application_helper.rb

@@ -28,10 +28,6 @@ module ApplicationHelper
   extend Forwardable
   def_delegators :wiki_helper, :wikitoolbar_for, :heads_for_wiki_formatter
 
-  def current_role
-    @current_role ||= User.current.role_for_project(@project)
-  end
-
   # Return true if user is authorized for controller/action, otherwise false
   def authorize_for(controller, action)
     User.current.allowed_to?({:controller => controller, :action => action}, @project)

app/models/issue.rb

@@ -205,7 +205,7 @@ class Issue < ActiveRecord::Base
   
   # Returns an array of status that user is able to apply
   def new_statuses_allowed_to(user)
-    statuses = status.find_new_statuses_allowed_to(user.role_for_project(project), tracker)
+    statuses = status.find_new_statuses_allowed_to(user.roles_for_project(project), tracker)
     statuses << status unless statuses.empty?
     statuses.uniq.sort
   end

app/models/issue_status.rb

@@ -36,24 +36,34 @@ class IssueStatus < ActiveRecord::Base
 
   # Returns an array of all statuses the given role can switch to
   # Uses association cache when called more than one time
-  def new_statuses_allowed_to(role, tracker)
-    new_statuses = workflows.select {|w| w.role_id == role.id && w.tracker_id == tracker.id}.collect{|w| w.new_status} if role && tracker
-    new_statuses ? new_statuses.compact.sort{|x, y| x.position <=> y.position } : []
+  def new_statuses_allowed_to(roles, tracker)
+    if roles && tracker
+      role_ids = roles.collect(&:id)
+      new_statuses = workflows.select {|w| role_ids.include?(w.role_id) && w.tracker_id == tracker.id}.collect{|w| w.new_status}.compact.sort
+    else
+      []
+    end
   end
   
   # Same thing as above but uses a database query
   # More efficient than the previous method if called just once
-  def find_new_statuses_allowed_to(role, tracker)  
-    new_statuses = workflows.find(:all, 
-                                   :include => :new_status,
-                                   :conditions => ["role_id=? and tracker_id=?", role.id, tracker.id]).collect{ |w| w.new_status }.compact  if role && tracker
-    new_statuses ? new_statuses.sort{|x, y| x.position <=> y.position } : []
+  def find_new_statuses_allowed_to(roles, tracker)
+    if roles && tracker
+      workflows.find(:all,
+                     :include => :new_status,
+                     :conditions => { :role_id => roles.collect(&:id), 
+                                      :tracker_id => tracker.id}).collect{ |w| w.new_status }.compact.sort
+    else
+      []
+    end
   end
   
-  def new_status_allowed_to?(status, role, tracker)
-    status && role && tracker ?
-      !workflows.find(:first, :conditions => {:new_status_id => status.id, :role_id => role.id, :tracker_id => tracker.id}).nil? :
+  def new_status_allowed_to?(status, roles, tracker)
+    if status && roles && tracker
+      !workflows.find(:first, :conditions => {:new_status_id => status.id, :role_id => roles.collect(&:id), :tracker_id => tracker.id}).nil?
+    else
       false
+    end
   end
 
   def <=>(status)

app/models/member.rb

@@ -1,5 +1,5 @@
-# redMine - project management software
-# Copyright (C) 2006  Jean-Philippe Lang
+# Redmine - project management software
+# Copyright (C) 2006-2009  Jean-Philippe Lang
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -17,15 +17,12 @@
 
 class Member < ActiveRecord::Base
   belongs_to :user
-  belongs_to :role
+  has_many :member_roles, :dependent => :delete_all
+  has_many :roles, :through => :member_roles
   belongs_to :project
 
-  validates_presence_of :role, :user, :project
+  validates_presence_of :user, :project
   validates_uniqueness_of :user_id, :scope => :project_id
-
-  def validate
-    errors.add :role_id, :invalid if role && !role.member?
-  end
   
   def name
     self.user.name
@@ -42,11 +39,18 @@ class Member < ActiveRecord::Base
   end
   
   def <=>(member)
-    role == member.role ? (user <=> member.user) : (role <=> member.role)
+    a, b = roles.sort.first, member.roles.sort.first
+    a == b ? (user <=> member.user) : (a <=> b)
   end
   
   def before_destroy
     # remove category based auto assignments for this member
     IssueCategory.update_all "assigned_to_id = NULL", ["project_id = ? AND assigned_to_id = ?", project.id, user.id]
   end
+  
+  protected
+  
+  def validate
+    errors.add_to_base "Role can't be blank" if roles.empty?
+  end
 end

app/models/member_role.rb

@@ -0,0 +1,27 @@
+# Redmine - project management software
+# Copyright (C) 2006-2009  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+class MemberRole < ActiveRecord::Base
+  belongs_to :member
+  belongs_to :role
+  
+  validates_presence_of :role
+  
+  def validate
+    errors.add :role_id, :invalid if role && !role.member?
+  end
+end

app/models/project.rb

@@ -135,7 +135,7 @@ class Project < ActiveRecord::Base
       statements << "1=0"
       if user.logged?
         statements << "#{Project.table_name}.is_public = #{connection.quoted_true}" if Role.non_member.allowed_to?(permission)
-        allowed_project_ids = user.memberships.select {|m| m.role.allowed_to?(permission)}.collect {|m| m.project_id}
+        allowed_project_ids = user.memberships.select {|m| m.roles.detect {|role| role.allowed_to?(permission)}}.collect {|m| m.project_id}
         statements << "#{Project.table_name}.id IN (#{allowed_project_ids.join(',')})" if allowed_project_ids.any?
       elsif Role.anonymous.allowed_to?(permission)
         # anonymous user allowed on public project
@@ -247,12 +247,14 @@ class Project < ActiveRecord::Base
   
   # Deletes all project's members
   def delete_all_members
+    me, mr = Member.table_name, MemberRole.table_name
+    connection.delete("DELETE FROM #{mr} WHERE #{mr}.member_id IN (SELECT #{me}.id FROM #{me} WHERE #{me}.project_id = #{id})")
     Member.delete_all(['project_id = ?', id])
   end
   
   # Users issues can be assigned to
   def assignable_users
-    members.select {|m| m.role.assignable?}.collect {|m| m.user}.sort
+    members.select {|m| m.roles.detect {|role| role.assignable?}}.collect {|m| m.user}.sort
   end
   
   # Returns the mail adresses of users that should be always notified on project events

app/models/role.rb

@@ -38,7 +38,8 @@ class Role < ActiveRecord::Base
     end
   end
   
-  has_many :members
+  has_many :member_roles, :dependent => :destroy
+  has_many :members, :through => :member_roles
   acts_as_list
   
   serialize :permissions, Array
@@ -82,7 +83,11 @@ class Role < ActiveRecord::Base
   end
   
   def <=>(role)
-    position <=> role.position
+    role ? position <=> role.position : -1
+  end
+  
+  def to_s
+    name
   end
   
   # Return true if the role is a builtin role

app/models/user.rb

@@ -33,7 +33,7 @@ class User < ActiveRecord::Base
     :username => '#{login}'
   }
 
-  has_many :memberships, :class_name => 'Member', :include => [ :project, :role ], :conditions => "#{Project.table_name}.status=#{Project::STATUS_ACTIVE}", :order => "#{Project.table_name}.name"
+  has_many :memberships, :class_name => 'Member', :include => [ :project, :roles ], :conditions => "#{Project.table_name}.status=#{Project::STATUS_ACTIVE}", :order => "#{Project.table_name}.name"
   has_many :members, :dependent => :delete_all
   has_many :projects, :through => :memberships
   has_many :issue_categories, :foreign_key => 'assigned_to_id', :dependent => :nullify
@@ -229,26 +229,30 @@ class User < ActiveRecord::Base
     !logged?
   end
   
-  # Return user's role for project
-  def role_for_project(project)
+  # Return user's roles for project
+  def roles_for_project(project)
+    roles = []
     # No role on archived projects
-    return nil unless project && project.active?
+    return roles unless project && project.active?
     if logged?
       # Find project membership
       membership = memberships.detect {|m| m.project_id == project.id}
       if membership
-        membership.role
+        roles = membership.roles
       else
         @role_non_member ||= Role.non_member
+        roles << @role_non_member
       end
     else
       @role_anonymous ||= Role.anonymous
+      roles << @role_anonymous
     end
+    roles
   end
   
   # Return true if the user is a member of project
   def member_of?(project)
-    role_for_project(project).member?
+    !roles_for_project(project).detect {|role| role.member?}.nil?
   end
   
   # Return true if the user is allowed to do the specified action on project
@@ -264,13 +268,13 @@ class User < ActiveRecord::Base
       # Admin users are authorized for anything else
       return true if admin?
       
-      role = role_for_project(project)
-      return false unless role
-      role.allowed_to?(action) && (project.is_public? || role.member?)
+      roles = roles_for_project(project)
+      return false unless roles
+      roles.detect {|role| (project.is_public? || role.member?) && role.allowed_to?(action)}
       
     elsif options[:global]
       # authorize if user has at least one role that has this permission
-      roles = memberships.collect {|m| m.role}.uniq
+      roles = memberships.collect {|m| m.roles}.flatten.uniq
       roles.detect {|r| r.allowed_to?(action)} || (self.logged? ? Role.non_member.allowed_to?(action) : Role.anonymous.allowed_to?(action))
     else
       false

app/views/account/show.rhtml

@@ -25,7 +25,7 @@
 <ul>
 <% for membership in @memberships %>
 	<li><%= link_to(h(membership.project.name), :controller => 'projects', :action => 'show', :id => membership.project) %>
-    (<%=h membership.role.name %>, <%= format_date(membership.created_on) %>)</li>
+    (<%=h membership.roles.collect(&:to_s).join(', ') %>, <%= format_date(membership.created_on) %>)</li>
 <% end %>
 </ul>
 <% end %>

app/views/projects/settings/_members.rhtml

@@ -1,36 +1,43 @@
 <%= error_messages_for 'member' %>
 <% roles = Role.find_all_givable
-   members = @project.members.find(:all, :include => [:role, :user]).sort %>
+   members = @project.members.find(:all, :include => [:roles, :user]).sort %>
 
 <div class="splitcontentleft">
 <% if members.any? %>
-<table class="list">
+<table class="list members">
 	<thead>
 	  <th><%= l(:label_user) %></th>
-	  <th><%= l(:label_role) %></th>
+	  <th><%= l(:label_role_plural) %></th>
 	  <th style="width:15%"></th>
           <%= call_hook(:view_projects_settings_members_table_header, :project => @project) %>
 	</thead>
 	<tbody>
 	<% members.each do |member| %>
 	<% next if member.new_record? %>
-	<tr id="member-<%= member.id %>" class="<%= cycle 'odd', 'even' %>">
-	<td><%=h member.name %></td>
-    <td align="center">
+	<tr id="member-<%= member.id %>" class="<%= cycle 'odd', 'even' %> member">
+	<td class="user"><%= link_to_user member.user %></td>
+  <td class="roles">
+    <span id="member-<%= member.id %>-roles"><%=h member.roles.sort.collect(&:to_s).join(', ') %></span>
     <% if authorize_for('members', 'edit') %>
-      <% remote_form_for(:member, member, :url => {:controller => 'members', :action => 'edit', :id => member}, :method => :post) do |f| %>
-        <%= f.select :role_id, roles.collect{|role| [role.name, role.id]}, {}, :class => "small" %>
-        <%= submit_tag l(:button_change), :class => "small" %>
+      <% remote_form_for(:member, member, :url => {:controller => 'members', :action => 'edit', :id => member},
+      																		:method => :post,
+      																		:html => { :id => "member-#{member.id}-roles-form", :style => 'display:none;' }) do |f| %>
+      	<p><% roles.each do |role| %>
+        <label><%= check_box_tag 'member[role_ids][]', role.id, member.roles.include?(role) %> <%=h role %></label><br />
+        <% end %></p>
+        <p><%= submit_tag l(:button_change), :class => "small" %>
+        <%= link_to_function l(:button_cancel), "$('member-#{member.id}-roles').show(); $('member-#{member.id}-roles-form').hide(); return false;" %></p>
       <% end %>
     <% end %>
-    </td>
-    <td align="center">
+  </td>
+  <td class="buttons">
+      <%= link_to_function l(:button_edit), "$('member-#{member.id}-roles').hide(); $('member-#{member.id}-roles-form').show(); return false;", :class => 'icon icon-edit' %>
       <%= link_to_remote l(:button_delete), { :url => {:controller => 'members', :action => 'destroy', :id => member},                                              
                                               :method => :post
                                             }, :title => l(:button_delete),
                                                :class => 'icon icon-del' %>
-    </td>
-    <%= call_hook(:view_projects_settings_members_table_row, { :project => @project, :member => member}) %>
+  </td>
+  <%= call_hook(:view_projects_settings_members_table_row, { :project => @project, :member => member}) %>
 	</tr>
 	</tbody>
 <% end; reset_cycle %>
@@ -58,8 +65,11 @@
 			<% end -%>
 			</div>
 		<% end %>
-    <p><%= l(:label_role) %>: <%= f.select :role_id, roles.collect{|role| [role.name, role.id]}, :selected => nil %>
-    <%= submit_tag l(:button_add) %></p>
+    <p><%= l(:label_role_plural) %>:
+    <% roles.each do |role| %>
+    	<label><%= check_box_tag 'member[role_ids][]', role.id %> <%=h role %></label>
+   	<% end %></p>
+    <p><%= submit_tag l(:button_add) %></p>
 		</fieldset>
   <% end %>
 <% end %>

app/views/queries/_form.rhtml

@@ -6,7 +6,7 @@
 <p><label for="query_name"><%=l(:field_name)%></label>
 <%= text_field 'query', 'name', :size => 80 %></p>
 
-<% if User.current.admin? || (@project && current_role.allowed_to?(:manage_public_queries)) %>
+<% if User.current.admin? || User.current.allowed_to?(:manage_public_queries, @project) %>
 <p><label for="query_is_public"><%=l(:field_is_public)%></label>
 <%= check_box 'query', 'is_public',
       :onchange => (User.current.admin? ? nil : 'if (this.checked) {$("query_is_for_all").checked = false; $("query_is_for_all").disabled = true;} else {$("query_is_for_all").disabled = false;}') %></p>

app/views/users/_memberships.rhtml

@@ -1,24 +1,36 @@
-<% if @memberships.any? %>
+<% roles = Role.find_all_givable %>
+<% projects = Project.active.find(:all, :order => 'lft') %>
+
+<div class="splitcontentleft">
+<% if @user.memberships.any? %>
 <table class="list memberships">
 	<thead>
 	  <th><%= l(:label_project) %></th>
-	  <th><%= l(:label_role) %></th>
+	  <th><%= l(:label_role_plural) %></th>
 	  <th style="width:15%"></th>
 	</thead>
 	<tbody>
-	<% @memberships.each do |membership| %>
+	<% @user.memberships.each do |membership| %>
 	<% next if membership.new_record? %>
-	<tr class="<%= cycle 'odd', 'even' %>">
-	<td><%=h membership.project %></td>
-    <td align="center">
-    <% form_tag({ :action => 'edit_membership', :id => @user, :membership_id => membership }) do %>
-        <%= select_tag 'membership[role_id]', options_from_collection_for_select(@roles, "id", "name", membership.role_id) %>
-        <%= submit_tag l(:button_change), :class => "small" %>
+	<tr id="member-<%= membership.id %>" class="<%= cycle 'odd', 'even' %> class">
+	<td class="project"><%=h membership.project %></td>
+  <td class="roles">
+    <span id="member-<%= membership.id %>-roles"><%=h membership.roles.sort.collect(&:to_s).join(', ') %></span>
+    <% remote_form_for(:membership, :url => { :action => 'edit_membership', :id => @user, :membership_id => membership },
+      														  :html => { :id => "member-#{membership.id}-roles-form", :style => 'display:none;'}) do %>
+      	<p><% roles.each do |role| %>
+        <label><%= check_box_tag 'membership[role_ids][]', role.id, membership.roles.include?(role) %> <%=h role %></label><br />
+        <% end %></p>
+        <p><%= submit_tag l(:button_change) %>
+        <%= link_to_function l(:button_cancel), "$('member-#{membership.id}-roles').show(); $('member-#{membership.id}-roles-form').hide(); return false;" %></p>
     <% end %>
-    </td>
-    <td align="center">
-      <%= link_to l(:button_delete), {:action => 'destroy_membership', :id => @user, :membership_id => membership }, :method => :post, :class => 'icon icon-del' %>
-    </td>
+  </td>
+  <td class="buttons">
+      <%= link_to_function l(:button_edit), "$('member-#{membership.id}-roles').hide(); $('member-#{membership.id}-roles-form').show(); return false;", :class => 'icon icon-edit' %>
+      <%= link_to_remote l(:button_delete), { :url => { :controller => 'users', :action => 'destroy_membership', :id => @user, :membership_id => membership },
+      																				:method => :post },
+      																		  :class => 'icon icon-del' %>
+  </td>
 	</tr>
 	</tbody>
 <% end; reset_cycle %>
@@ -26,15 +38,19 @@
 <% else %>
 <p class="nodata"><%= l(:label_no_data) %></p>
 <% end %>
+</div>
 
-<% if @projects.any? %>
-<p>
-<label><%=l(:label_project_new)%></label><br/>
-<% form_tag({ :action => 'edit_membership', :id => @user }) do %>
-<%= select_tag 'membership[project_id]', options_for_membership_project_select(@user, @projects) %>
-<%= l(:label_role) %>:
-<%= select_tag 'membership[role_id]', options_from_collection_for_select(@roles, "id", "name") %>
-<%= submit_tag l(:button_add) %>
+<div class="splitcontentright">
+<% if projects.any? %>
+<fieldset><legend><%=l(:label_project_new)%></legend>
+<% remote_form_for(:membership, :url => { :action => 'edit_membership', :id => @user }) do %>
+<%= select_tag 'membership[project_id]', options_for_membership_project_select(@user, projects) %>
+<p><%= l(:label_role_plural) %>:
+<% roles.each do |role| %>
+  <label><%= check_box_tag 'membership[role_ids][]', role.id %> <%=h role %></label>
+<% end %></p>
+<p><%= submit_tag l(:button_add) %></p>
 <% end %>
-</p>
+</fieldset>
 <% end %>
+</div>

app/views/workflows/edit.rhtml

@@ -43,7 +43,7 @@
 	<% for old_status in @statuses %>
 		<tr class="<%= cycle("odd", "even") %>">
 		<td><%= old_status.name %></td>
-		<% new_status_ids_allowed = old_status.find_new_statuses_allowed_to(@role, @tracker).collect(&:id) -%>
+		<% new_status_ids_allowed = old_status.find_new_statuses_allowed_to([@role], @tracker).collect(&:id) -%>
 		<% for new_status in @statuses -%>
 			<td align="center">
       <input type="checkbox"