Added ability to edit issues from different project through contextual menu (#5332)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4242 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/context_menus_controller.rb

@@ -16,9 +16,9 @@ class ContextMenusController < ApplicationController
     @projects = @issues.collect(&:project).compact.uniq
     @project = @projects.first if @projects.size == 1
 
-    @can = {:edit => (@project && User.current.allowed_to?(:edit_issues, @project)),
+    @can = {:edit => User.current.allowed_to?(:edit_issues, @projects),
             :log_time => (@project && User.current.allowed_to?(:log_time, @project)),
-            :update => (@project && (User.current.allowed_to?(:edit_issues, @project) || (User.current.allowed_to?(:change_status, @project) && @allowed_statuses && !@allowed_statuses.empty?))),
+            :update => (User.current.allowed_to?(:edit_issues, @projects) || (User.current.allowed_to?(:change_status, @projects) && !@allowed_statuses.blank?)),
             :move => (@project && User.current.allowed_to?(:move_issues, @project)),
             :copy => (@issue && @project.trackers.include?(@issue.tracker) && User.current.allowed_to?(:add_issues, @project)),
             :delete => User.current.allowed_to?(:delete_issues, @projects)
@@ -27,6 +27,10 @@ class ContextMenusController < ApplicationController
       @assignables = @project.assignable_users
       @assignables << @issue.assigned_to if @issue && @issue.assigned_to && !@assignables.include?(@issue.assigned_to)
       @trackers = @project.trackers
+    else
+      #when multiple projects, we only keep the intersection of each set
+      @assignables = @projects.map(&:assignable_users).inject{|memo,a| memo & a}
+      @trackers = @projects.map(&:trackers).inject{|memo,t| memo & t}
     end
     
     @priorities = IssuePriority.all.reverse