wp update looks for optional back url after update.

app/assets/javascripts/angular/work_packages/controllers/work-packages-list-controller.js

@@ -188,10 +188,7 @@ angular.module('openproject.workPackages.controllers')
   // Updates
 
   $scope.maintainUrlQueryState = function(){
-    var relativeUrl = "/work_packages";
-    if ($scope.projectIdentifier){
-      relativeUrl = "/projects/" + $scope.projectIdentifier + relativeUrl;
-    }
+    var relativeUrl = decodeURIComponent($state.href($state.$current)); // ui-router escapes some of this string for whatever reason
 
     if($scope.query) {
       var queryString = UrlParamsHelper.encodeQueryJsonParams($scope.query);

app/assets/javascripts/angular/work_packages/directives/work-package-details-toolbar-directive.js

@@ -89,6 +89,7 @@ angular.module('openproject.workPackages.directives')
     templateUrl: '/templates/work_packages/work_package_details_toolbar.html',
     scope: {
       workPackage: '=',
+      backUrl: '='
     },
     link: function(scope, element, attributes) {
       var authorization = new WorkPackageAuthorization(scope.workPackage);
@@ -100,7 +101,7 @@ angular.module('openproject.workPackages.directives')
 
       scope.editWorkPackage = function() {
         // TODO: Temporarily going to the old edit dialog until we get in-place editing done
-        window.location = PathHelper.staticEditWorkPackagePath(scope.workPackage.props.id);
+        window.location = PathHelper.staticEditWorkPackagePath(scope.workPackage.props.id) + '?back_url=' + encodeURIComponent(scope.backUrl);
       };
 
       scope.triggerMoreMenuAction = function(action, link) {

app/controllers/work_packages_controller.rb

@@ -159,7 +159,8 @@ class WorkPackagesController < ApplicationController
                  :project => project,
                  :priorities => priorities,
                  :time_entry => time_entry,
-                 :user => current_user }
+                 :user => current_user,
+                 :back_url => params[:back_url] }
 
     respond_to do |format|
       format.html do
@@ -184,7 +185,7 @@ class WorkPackagesController < ApplicationController
 
       flash[:notice] = l(:notice_successful_update)
 
-      redirect_to(work_package_path(work_package))
+      redirect_to_back_url_or_work_package(work_package)
     else
       edit
     end
@@ -438,6 +439,14 @@ class WorkPackagesController < ApplicationController
 
   private
 
+  def redirect_to_back_url_or_work_package(work_package)
+    if !params[:back_url].blank?
+      redirect_to(params[:back_url])
+    else
+      redirect_to(work_package_path(work_package))
+    end
+  end
+
   def load_work_packages
     sort_init(@query.sort_criteria.empty? ? [DEFAULT_SORT_ORDER] : @query.sort_criteria)
     sort_update(@query.sortable_columns)

app/views/work_packages/_edit.html.erb

@@ -36,6 +36,7 @@ See doc/COPYRIGHT.rdoc for more details.
                                         :multipart => true
                                        } do |f| %>
 
+  <%= hidden_field_tag 'back_url', back_url %>
   <%= error_messages_for work_package %>
 
   <% if edit_allowed || !allowed_statuses.empty? %>

app/views/work_packages/edit.html.erb

@@ -36,7 +36,8 @@ See doc/COPYRIGHT.rdoc for more details.
                                             :project => project,
                                             :priorities => priorities,
                                             :time_entry => time_entry,
-                                            :user => user } %>
+                                            :user => user,
+                                            :back_url => back_url } %>
 <% content_for :header_tags do %>
   <%= robot_exclusion_tag %>
 <% end %>

public/templates/work_packages.list.details.html

@@ -47,5 +47,7 @@
 </div>
 
 <div class="bottom-toolbar">
-  <work-package-details-toolbar work-package='workPackage'></work-package-details-toolbar>
+  <work-package-details-toolbar work-package='workPackage'
+                                back-url="backUrl">
+  </work-package-details-toolbar>
 </div>