diff --git a/src/applications/project/controller/PhabricatorProjectBoardViewController.php b/src/applications/project/controller/PhabricatorProjectBoardViewController.php
index 8405ec677f..87cb5bc417 100644
--- a/src/applications/project/controller/PhabricatorProjectBoardViewController.php
+++ b/src/applications/project/controller/PhabricatorProjectBoardViewController.php
@@ -1,1107 +1,1310 @@
 <?php
 
 final class PhabricatorProjectBoardViewController
   extends PhabricatorProjectBoardController {
 
   const BATCH_EDIT_ALL = 'all';
 
   private $id;
   private $slug;
   private $queryKey;
   private $sortKey;
   private $showHidden;
 
   public function shouldAllowPublic() {
     return true;
   }
 
   public function handleRequest(AphrontRequest $request) {
     $viewer = $request->getUser();
 
     $response = $this->loadProject();
     if ($response) {
       return $response;
     }
 
     $project = $this->getProject();
 
     $this->readRequestState();
 
     $board_uri = $this->getApplicationURI('board/'.$project->getID().'/');
 
     $search_engine = id(new ManiphestTaskSearchEngine())
       ->setViewer($viewer)
       ->setBaseURI($board_uri)
       ->setIsBoardView(true);
 
-    if ($request->isFormPost() && !$request->getBool('initialize')) {
+    if ($request->isFormPost()
+      && !$request->getBool('initialize')
+      && !$request->getStr('move')) {
       $saved = $search_engine->buildSavedQueryFromRequest($request);
       $search_engine->saveQuery($saved);
       $filter_form = id(new AphrontFormView())
         ->setUser($viewer);
       $search_engine->buildSearchForm($filter_form, $saved);
       if ($search_engine->getErrors()) {
         return $this->newDialog()
           ->setWidth(AphrontDialogView::WIDTH_FULL)
           ->setTitle(pht('Advanced Filter'))
           ->appendChild($filter_form->buildLayoutView())
           ->setErrors($search_engine->getErrors())
           ->setSubmitURI($board_uri)
           ->addSubmitButton(pht('Apply Filter'))
           ->addCancelButton($board_uri);
       }
       return id(new AphrontRedirectResponse())->setURI(
         $this->getURIWithState(
           $search_engine->getQueryResultsPageURI($saved->getQueryKey())));
     }
 
     $query_key = $this->getDefaultFilter($project);
 
     $request_query = $request->getStr('filter');
     if (strlen($request_query)) {
       $query_key = $request_query;
     }
 
     $uri_query = $request->getURIData('queryKey');
     if (strlen($uri_query)) {
       $query_key = $uri_query;
     }
 
     $this->queryKey = $query_key;
 
     $custom_query = null;
     if ($search_engine->isBuiltinQuery($query_key)) {
       $saved = $search_engine->buildSavedQueryFromBuiltin($query_key);
     } else {
       $saved = id(new PhabricatorSavedQueryQuery())
         ->setViewer($viewer)
         ->withQueryKeys(array($query_key))
         ->executeOne();
 
       if (!$saved) {
         return new Aphront404Response();
       }
 
       $custom_query = $saved;
     }
 
     if ($request->getURIData('filter')) {
       $filter_form = id(new AphrontFormView())
         ->setUser($viewer);
       $search_engine->buildSearchForm($filter_form, $saved);
 
       return $this->newDialog()
         ->setWidth(AphrontDialogView::WIDTH_FULL)
         ->setTitle(pht('Advanced Filter'))
         ->appendChild($filter_form->buildLayoutView())
         ->setSubmitURI($board_uri)
         ->addSubmitButton(pht('Apply Filter'))
         ->addCancelButton($board_uri);
     }
 
     $task_query = $search_engine->buildQueryFromSavedQuery($saved);
 
     $select_phids = array($project->getPHID());
     if ($project->getHasSubprojects() || $project->getHasMilestones()) {
       $descendants = id(new PhabricatorProjectQuery())
         ->setViewer($viewer)
         ->withAncestorProjectPHIDs($select_phids)
         ->execute();
       foreach ($descendants as $descendant) {
         $select_phids[] = $descendant->getPHID();
       }
     }
 
     $tasks = $task_query
       ->withEdgeLogicPHIDs(
         PhabricatorProjectObjectHasProjectEdgeType::EDGECONST,
         PhabricatorQueryConstraint::OPERATOR_ANCESTOR,
         array($select_phids))
       ->setOrder(ManiphestTaskQuery::ORDER_PRIORITY)
       ->setViewer($viewer)
       ->execute();
     $tasks = mpull($tasks, null, 'getPHID');
 
     $board_phid = $project->getPHID();
 
     // Regardless of display order, pass tasks to the layout engine in ID order
     // so layout is consistent.
     $board_tasks = msort($tasks, 'getID');
 
     $layout_engine = id(new PhabricatorBoardLayoutEngine())
       ->setViewer($viewer)
       ->setBoardPHIDs(array($board_phid))
       ->setObjectPHIDs(array_keys($board_tasks))
       ->setFetchAllBoards(true)
       ->executeLayout();
 
     $columns = $layout_engine->getColumns($board_phid);
     if (!$columns || !$project->getHasWorkboard()) {
       $has_normal_columns = false;
 
       foreach ($columns as $column) {
         if (!$column->getProxyPHID()) {
           $has_normal_columns = true;
           break;
         }
       }
 
       $can_edit = PhabricatorPolicyFilter::hasCapability(
         $viewer,
         $project,
         PhabricatorPolicyCapability::CAN_EDIT);
 
       if (!$has_normal_columns) {
         if (!$can_edit) {
           $content = $this->buildNoAccessContent($project);
         } else {
           $content = $this->buildInitializeContent($project);
         }
       } else {
         if (!$can_edit) {
           $content = $this->buildDisabledContent($project);
         } else {
           $content = $this->buildEnableContent($project);
         }
       }
 
       if ($content instanceof AphrontResponse) {
         return $content;
       }
 
       $nav = $this->getProfileMenu();
       $nav->selectFilter(PhabricatorProject::ITEM_WORKBOARD);
 
       $crumbs = $this->buildApplicationCrumbs();
       $crumbs->addTextCrumb(pht('Workboard'));
 
       return $this->newPage()
         ->setTitle(
           array(
             $project->getDisplayName(),
             pht('Workboard'),
           ))
         ->setNavigation($nav)
         ->setCrumbs($crumbs)
         ->appendChild($content);
     }
 
     $task_can_edit_map = id(new PhabricatorPolicyFilter())
       ->setViewer($viewer)
       ->requireCapabilities(array(PhabricatorPolicyCapability::CAN_EDIT))
       ->apply($tasks);
 
     // If this is a batch edit, select the editable tasks in the chosen column
     // and ship the user into the batch editor.
     $batch_edit = $request->getStr('batch');
     if ($batch_edit) {
       if ($batch_edit !== self::BATCH_EDIT_ALL) {
         $column_id_map = mpull($columns, null, 'getID');
         $batch_column = idx($column_id_map, $batch_edit);
         if (!$batch_column) {
           return new Aphront404Response();
         }
 
         $batch_task_phids = $layout_engine->getColumnObjectPHIDs(
           $board_phid,
           $batch_column->getPHID());
 
         foreach ($batch_task_phids as $key => $batch_task_phid) {
           if (empty($task_can_edit_map[$batch_task_phid])) {
             unset($batch_task_phids[$key]);
           }
         }
 
         $batch_tasks = array_select_keys($tasks, $batch_task_phids);
       } else {
         $batch_tasks = $task_can_edit_map;
       }
 
       if (!$batch_tasks) {
         $cancel_uri = $this->getURIWithState($board_uri);
         return $this->newDialog()
           ->setTitle(pht('No Editable Tasks'))
           ->appendParagraph(
             pht(
               'The selected column contains no visible tasks which you '.
               'have permission to edit.'))
           ->addCancelButton($board_uri);
       }
 
       $batch_ids = mpull($batch_tasks, 'getID');
       $batch_ids = implode(',', $batch_ids);
 
       $batch_uri = new PhutilURI('/maniphest/batch/');
       $batch_uri->setQueryParam('board', $this->id);
       $batch_uri->setQueryParam('batch', $batch_ids);
       return id(new AphrontRedirectResponse())
         ->setURI($batch_uri);
     }
 
+    $move_id = $request->getStr('move');
+    if (strlen($move_id)) {
+      $column_id_map = mpull($columns, null, 'getID');
+      $move_column = idx($column_id_map, $move_id);
+      if (!$move_column) {
+        return new Aphront404Response();
+      }
+
+      $move_task_phids = $layout_engine->getColumnObjectPHIDs(
+        $board_phid,
+        $move_column->getPHID());
+
+      foreach ($move_task_phids as $key => $move_task_phid) {
+        if (empty($task_can_edit_map[$move_task_phid])) {
+          unset($move_task_phids[$key]);
+        }
+      }
+
+      $move_tasks = array_select_keys($tasks, $move_task_phids);
+      $cancel_uri = $this->getURIWithState($board_uri);
+
+      if (!$move_tasks) {
+        return $this->newDialog()
+          ->setTitle(pht('No Movable Tasks'))
+          ->appendParagraph(
+            pht(
+              'The selected column contains no visible tasks which you '.
+              'have permission to move.'))
+          ->addCancelButton($cancel_uri);
+      }
+
+      $move_project_phid = $project->getPHID();
+      $move_column_phid = null;
+      $move_project = null;
+      $move_column = null;
+      $columns = null;
+      $errors = array();
+
+      if ($request->isFormPost()) {
+        $move_project_phid = head($request->getArr('moveProjectPHID'));
+        if (!$move_project_phid) {
+          $move_project_phid = $request->getStr('moveProjectPHID');
+        }
+
+        if (!$move_project_phid) {
+          if ($request->getBool('hasProject')) {
+            $errors[] = pht('Choose a project to move tasks to.');
+          }
+        } else {
+          $target_project = id(new PhabricatorProjectQuery())
+            ->setViewer($viewer)
+            ->withPHIDs(array($move_project_phid))
+            ->executeOne();
+          if (!$target_project) {
+            $errors[] = pht('You must choose a valid project.');
+          } else if (!$project->getHasWorkboard()) {
+            $errors[] = pht(
+              'You must choose a project with a workboard.');
+          } else {
+            $move_project = $target_project;
+          }
+        }
+
+        if ($move_project) {
+          $move_engine = id(new PhabricatorBoardLayoutEngine())
+            ->setViewer($viewer)
+            ->setBoardPHIDs(array($move_project->getPHID()))
+            ->setFetchAllBoards(true)
+            ->executeLayout();
+
+          $columns = $move_engine->getColumns($move_project->getPHID());
+          $columns = mpull($columns, null, 'getPHID');
+
+          $move_column_phid = $request->getStr('moveColumnPHID');
+          if (!$move_column_phid) {
+            if ($request->getBool('hasColumn')) {
+              $errors[] = pht('Choose a column to move tasks to.');
+            }
+          } else {
+            if (empty($columns[$move_column_phid])) {
+              $errors[] = pht(
+                'Choose a valid column on the target workboard to move '.
+                'tasks to.');
+            } else if ($columns[$move_column_phid]->getID() == $move_id) {
+              $errors[] = pht(
+                'You can not move tasks from a column to itself.');
+            } else {
+              $move_column = $columns[$move_column_phid];
+            }
+          }
+        }
+      }
+
+      if ($move_column && $move_project) {
+        foreach ($move_tasks as $move_task) {
+          $xactions = array();
+
+          // If we're switching projects, get out of the old project first
+          // and move to the new project.
+          if ($move_project->getID() != $project->getID()) {
+            $xactions[] = id(new ManiphestTransaction())
+              ->setTransactionType(PhabricatorTransactions::TYPE_EDGE)
+              ->setMetadataValue(
+                'edge:type',
+                PhabricatorProjectObjectHasProjectEdgeType::EDGECONST)
+              ->setNewValue(
+                array(
+                  '-' => array(
+                    $project->getPHID() => $project->getPHID(),
+                  ),
+                  '+' => array(
+                    $move_project->getPHID() => $move_project->getPHID(),
+                  ),
+                ));
+          }
+
+          $xactions[] = id(new ManiphestTransaction())
+            ->setTransactionType(PhabricatorTransactions::TYPE_COLUMNS)
+            ->setNewValue(
+              array(
+                array(
+                  'columnPHID' => $move_column->getPHID(),
+                ),
+              ));
+
+          $editor = id(new ManiphestTransactionEditor())
+            ->setActor($viewer)
+            ->setContinueOnMissingFields(true)
+            ->setContinueOnNoEffect(true)
+            ->setContentSourceFromRequest($request);
+
+          $editor->applyTransactions($move_task, $xactions);
+        }
+
+        return id(new AphrontRedirectResponse())
+          ->setURI($cancel_uri);
+      }
+
+      if ($move_project) {
+        $column_form = id(new AphrontFormView())
+          ->setViewer($viewer)
+          ->appendControl(
+            id(new AphrontFormSelectControl())
+              ->setName('moveColumnPHID')
+              ->setLabel(pht('Move to Column'))
+              ->setValue($move_column_phid)
+              ->setOptions(mpull($columns, 'getDisplayName', 'getPHID')));
+
+        return $this->newDialog()
+          ->setTitle(pht('Move Tasks'))
+          ->setWidth(AphrontDialogView::WIDTH_FORM)
+          ->setErrors($errors)
+          ->addHiddenInput('move', $move_id)
+          ->addHiddenInput('moveProjectPHID', $move_project->getPHID())
+          ->addHiddenInput('hasColumn', true)
+          ->addHiddenInput('hasProject', true)
+          ->appendParagraph(
+            pht(
+              'Choose a column on the %s workboard to move tasks to:',
+              $viewer->renderHandle($move_project->getPHID())))
+          ->appendForm($column_form)
+          ->addSubmitButton(pht('Move Tasks'))
+          ->addCancelButton($cancel_uri);
+      }
+
+      if ($move_project_phid) {
+        $move_project_phid_value = array($move_project_phid);
+      } else {
+        $move_project_phid_value = array();
+      }
+
+      $project_form = id(new AphrontFormView())
+        ->setViewer($viewer)
+        ->appendControl(
+          id(new AphrontFormTokenizerControl())
+            ->setName('moveProjectPHID')
+            ->setLimit(1)
+            ->setLabel(pht('Move to Project'))
+            ->setValue($move_project_phid_value)
+            ->setDatasource(new PhabricatorProjectDatasource()));
+
+      return $this->newDialog()
+        ->setTitle(pht('Move Tasks'))
+        ->setWidth(AphrontDialogView::WIDTH_FORM)
+        ->setErrors($errors)
+        ->addHiddenInput('move', $move_id)
+        ->addHiddenInput('hasProject', true)
+        ->appendForm($project_form)
+        ->addSubmitButton(pht('Continue'))
+        ->addCancelButton($cancel_uri);
+    }
+
+
     $board_id = celerity_generate_unique_node_id();
 
     $board = id(new PHUIWorkboardView())
       ->setUser($viewer)
       ->setID($board_id)
       ->addSigil('jx-workboard')
       ->setMetadata(
         array(
           'boardPHID' => $project->getPHID(),
         ));
 
     $visible_columns = array();
     $column_phids = array();
     $visible_phids = array();
     foreach ($columns as $column) {
       if (!$this->showHidden) {
         if ($column->isHidden()) {
           continue;
         }
       }
 
       $proxy = $column->getProxy();
       if ($proxy && !$proxy->isMilestone()) {
         // TODO: For now, don't show subproject columns because we can't
         // handle tasks with multiple positions yet.
         continue;
       }
 
       $task_phids = $layout_engine->getColumnObjectPHIDs(
         $board_phid,
         $column->getPHID());
 
       $column_tasks = array_select_keys($tasks, $task_phids);
 
       // If we aren't using "natural" order, reorder the column by the original
       // query order.
       if ($this->sortKey != PhabricatorProjectColumn::ORDER_NATURAL) {
         $column_tasks = array_select_keys($column_tasks, array_keys($tasks));
       }
 
       $column_phid = $column->getPHID();
 
       $visible_columns[$column_phid] = $column;
       $column_phids[$column_phid] = $column_tasks;
 
       foreach ($column_tasks as $phid => $task) {
         $visible_phids[$phid] = $phid;
       }
     }
 
     $rendering_engine = id(new PhabricatorBoardRenderingEngine())
       ->setViewer($viewer)
       ->setObjects(array_select_keys($tasks, $visible_phids))
       ->setEditMap($task_can_edit_map)
       ->setExcludedProjectPHIDs($select_phids);
 
     $templates = array();
     $column_maps = array();
     $all_tasks = array();
     foreach ($visible_columns as $column_phid => $column) {
       $column_tasks = $column_phids[$column_phid];
 
       $panel = id(new PHUIWorkpanelView())
         ->setHeader($column->getDisplayName())
         ->setSubHeader($column->getDisplayType())
         ->addSigil('workpanel');
 
       $proxy = $column->getProxy();
       if ($proxy) {
         $proxy_id = $proxy->getID();
         $href = $this->getApplicationURI("view/{$proxy_id}/");
         $panel->setHref($href);
       }
 
       $header_icon = $column->getHeaderIcon();
       if ($header_icon) {
         $panel->setHeaderIcon($header_icon);
       }
 
       $display_class = $column->getDisplayClass();
       if ($display_class) {
         $panel->addClass($display_class);
       }
 
       if ($column->isHidden()) {
         $panel->addClass('project-panel-hidden');
       }
 
       $column_menu = $this->buildColumnMenu($project, $column);
       $panel->addHeaderAction($column_menu);
 
       $count_tag = id(new PHUITagView())
         ->setType(PHUITagView::TYPE_SHADE)
         ->setColor(PHUITagView::COLOR_BLUE)
         ->addSigil('column-points')
         ->setName(
           javelin_tag(
             'span',
             array(
               'sigil' => 'column-points-content',
             ),
             pht('-')))
         ->setStyle('display: none');
 
       $panel->setHeaderTag($count_tag);
 
       $cards = id(new PHUIObjectItemListView())
         ->setUser($viewer)
         ->setFlush(true)
         ->setAllowEmptyList(true)
         ->addSigil('project-column')
         ->setItemClass('phui-workcard')
         ->setMetadata(
           array(
             'columnPHID' => $column->getPHID(),
             'pointLimit' => $column->getPointLimit(),
           ));
 
       foreach ($column_tasks as $task) {
         $object_phid = $task->getPHID();
 
         $card = $rendering_engine->renderCard($object_phid);
         $templates[$object_phid] = hsprintf('%s', $card->getItem());
         $column_maps[$column_phid][] = $object_phid;
 
         $all_tasks[$object_phid] = $task;
       }
 
       $panel->setCards($cards);
       $board->addPanel($panel);
     }
 
     $behavior_config = array(
       'moveURI' => $this->getApplicationURI('move/'.$project->getID().'/'),
       'uploadURI' => '/file/dropupload/',
       'coverURI' => $this->getApplicationURI('cover/'),
       'chunkThreshold' => PhabricatorFileStorageEngine::getChunkThreshold(),
       'pointsEnabled' => ManiphestTaskPoints::getIsEnabled(),
 
       'boardPHID' => $project->getPHID(),
       'order' => $this->sortKey,
       'templateMap' => $templates,
       'columnMaps' => $column_maps,
       'orderMaps' => mpull($all_tasks, 'getWorkboardOrderVectors'),
       'propertyMaps' => mpull($all_tasks, 'getWorkboardProperties'),
 
       'boardID' => $board_id,
       'projectPHID' => $project->getPHID(),
     );
     $this->initBehavior('project-boards', $behavior_config);
 
 
     $sort_menu = $this->buildSortMenu(
       $viewer,
       $project,
       $this->sortKey);
 
     $filter_menu = $this->buildFilterMenu(
       $viewer,
       $project,
       $custom_query,
       $search_engine,
       $query_key);
 
     $manage_menu = $this->buildManageMenu($project, $this->showHidden);
 
     $header_link = phutil_tag(
       'a',
       array(
         'href' => $this->getApplicationURI('profile/'.$project->getID().'/'),
       ),
       $project->getName());
 
     $board_box = id(new PHUIBoxView())
       ->appendChild($board)
       ->addClass('project-board-wrapper');
 
     $nav = $this->getProfileMenu();
 
     $divider = id(new PHUIListItemView())
       ->setType(PHUIListItemView::TYPE_DIVIDER);
     $fullscreen = $this->buildFullscreenMenu();
 
     $crumbs = $this->buildApplicationCrumbs();
     $crumbs->addTextCrumb(pht('Workboard'));
     $crumbs->setBorder(true);
 
     $crumbs->addAction($sort_menu);
     $crumbs->addAction($filter_menu);
     $crumbs->addAction($divider);
     $crumbs->addAction($manage_menu);
     $crumbs->addAction($fullscreen);
 
     $page = $this->newPage()
       ->setTitle(
         array(
           $project->getDisplayName(),
           pht('Workboard'),
         ))
       ->setPageObjectPHIDs(array($project->getPHID()))
       ->setShowFooter(false)
       ->setNavigation($nav)
       ->setCrumbs($crumbs)
       ->addQuicksandConfig(
         array(
           'boardConfig' => $behavior_config,
         ))
       ->appendChild(
         array(
           $board_box,
         ));
 
     $background = $project->getDisplayWorkboardBackgroundColor();
     require_celerity_resource('phui-workboard-color-css');
     if ($background !== null) {
       $background_color_class = "phui-workboard-{$background}";
 
       $page->addClass('phui-workboard-color');
       $page->addClass($background_color_class);
     } else {
       $page->addClass('phui-workboard-no-color');
     }
 
     return $page;
   }
 
   private function readRequestState() {
     $request = $this->getRequest();
     $project = $this->getProject();
 
     $this->showHidden = $request->getBool('hidden');
     $this->id = $project->getID();
 
     $sort_key = $this->getDefaultSort($project);
 
     $request_sort = $request->getStr('order');
     if ($this->isValidSort($request_sort)) {
       $sort_key = $request_sort;
     }
 
     $this->sortKey = $sort_key;
   }
 
   private function getDefaultSort(PhabricatorProject $project) {
     $default_sort = $project->getDefaultWorkboardSort();
 
     if ($this->isValidSort($default_sort)) {
       return $default_sort;
     }
 
     return PhabricatorProjectColumn::DEFAULT_ORDER;
   }
 
   private function getDefaultFilter(PhabricatorProject $project) {
     $default_filter = $project->getDefaultWorkboardFilter();
 
     if (strlen($default_filter)) {
       return $default_filter;
     }
 
     return 'open';
   }
 
   private function isValidSort($sort) {
     switch ($sort) {
       case PhabricatorProjectColumn::ORDER_NATURAL:
       case PhabricatorProjectColumn::ORDER_PRIORITY:
         return true;
     }
 
     return false;
   }
 
   private function buildSortMenu(
     PhabricatorUser $viewer,
     PhabricatorProject $project,
     $sort_key) {
 
     $sort_icon = id(new PHUIIconView())
       ->setIcon('fa-sort-amount-asc bluegrey');
 
     $named = array(
       PhabricatorProjectColumn::ORDER_NATURAL => pht('Natural'),
       PhabricatorProjectColumn::ORDER_PRIORITY => pht('Sort by Priority'),
     );
 
     $base_uri = $this->getURIWithState();
 
     $items = array();
     foreach ($named as $key => $name) {
       $is_selected = ($key == $sort_key);
       if ($is_selected) {
         $active_order = $name;
       }
 
       $item = id(new PhabricatorActionView())
         ->setIcon('fa-sort-amount-asc')
         ->setSelected($is_selected)
         ->setName($name);
 
       $uri = $base_uri->alter('order', $key);
       $item->setHref($uri);
 
       $items[] = $item;
     }
 
     $id = $project->getID();
 
     $save_uri = "default/{$id}/sort/";
     $save_uri = $this->getApplicationURI($save_uri);
     $save_uri = $this->getURIWithState($save_uri, $force = true);
 
     $can_edit = PhabricatorPolicyFilter::hasCapability(
       $viewer,
       $project,
       PhabricatorPolicyCapability::CAN_EDIT);
 
     $items[] = id(new PhabricatorActionView())
       ->setIcon('fa-floppy-o')
       ->setName(pht('Save as Default'))
       ->setHref($save_uri)
       ->setWorkflow(true)
       ->setDisabled(!$can_edit);
 
     $sort_menu = id(new PhabricatorActionListView())
       ->setUser($viewer);
     foreach ($items as $item) {
       $sort_menu->addAction($item);
     }
 
     $sort_button = id(new PHUIListItemView())
       ->setName($active_order)
       ->setIcon('fa-sort-amount-asc')
       ->setHref('#')
       ->addSigil('boards-dropdown-menu')
       ->setMetadata(
         array(
           'items' => hsprintf('%s', $sort_menu),
         ));
 
     return $sort_button;
   }
 
   private function buildFilterMenu(
     PhabricatorUser $viewer,
     PhabricatorProject $project,
     $custom_query,
     PhabricatorApplicationSearchEngine $engine,
     $query_key) {
 
     $named = array(
       'open' => pht('Open Tasks'),
       'all' => pht('All Tasks'),
     );
 
     if ($viewer->isLoggedIn()) {
       $named['assigned'] = pht('Assigned to Me');
     }
 
     if ($custom_query) {
       $named[$custom_query->getQueryKey()] = pht('Custom Filter');
     }
 
     $items = array();
     foreach ($named as $key => $name) {
       $is_selected = ($key == $query_key);
       if ($is_selected) {
         $active_filter = $name;
       }
 
       $is_custom = false;
       if ($custom_query) {
         $is_custom = ($key == $custom_query->getQueryKey());
       }
 
       $item = id(new PhabricatorActionView())
         ->setIcon('fa-search')
         ->setSelected($is_selected)
         ->setName($name);
 
       if ($is_custom) {
         $uri = $this->getApplicationURI(
           'board/'.$this->id.'/filter/query/'.$key.'/');
         $item->setWorkflow(true);
       } else {
         $uri = $engine->getQueryResultsPageURI($key);
       }
 
       $uri = $this->getURIWithState($uri)
         ->setQueryParam('filter', null);
       $item->setHref($uri);
 
       $items[] = $item;
     }
 
     $id = $project->getID();
 
     $filter_uri = $this->getApplicationURI("board/{$id}/filter/");
     $filter_uri = $this->getURIWithState($filter_uri, $force = true);
 
     $items[] = id(new PhabricatorActionView())
       ->setIcon('fa-cog')
       ->setHref($filter_uri)
       ->setWorkflow(true)
       ->setName(pht('Advanced Filter...'));
 
     $save_uri = "default/{$id}/filter/";
     $save_uri = $this->getApplicationURI($save_uri);
     $save_uri = $this->getURIWithState($save_uri, $force = true);
 
     $can_edit = PhabricatorPolicyFilter::hasCapability(
       $viewer,
       $project,
       PhabricatorPolicyCapability::CAN_EDIT);
 
     $items[] = id(new PhabricatorActionView())
       ->setIcon('fa-floppy-o')
       ->setName(pht('Save as Default'))
       ->setHref($save_uri)
       ->setWorkflow(true)
       ->setDisabled(!$can_edit);
 
     $filter_menu = id(new PhabricatorActionListView())
         ->setUser($viewer);
     foreach ($items as $item) {
       $filter_menu->addAction($item);
     }
 
     $filter_button = id(new PHUIListItemView())
       ->setName($active_filter)
       ->setIcon('fa-search')
       ->setHref('#')
       ->addSigil('boards-dropdown-menu')
       ->setMetadata(
         array(
           'items' => hsprintf('%s', $filter_menu),
         ));
 
     return $filter_button;
   }
 
   private function buildManageMenu(
     PhabricatorProject $project,
     $show_hidden) {
 
     $request = $this->getRequest();
     $viewer = $request->getUser();
 
     $id = $project->getID();
 
     $manage_uri = $this->getApplicationURI("board/{$id}/manage/");
     $add_uri = $this->getApplicationURI("board/{$id}/edit/");
 
     $can_edit = PhabricatorPolicyFilter::hasCapability(
       $viewer,
       $project,
       PhabricatorPolicyCapability::CAN_EDIT);
 
     $manage_items = array();
 
     $manage_items[] = id(new PhabricatorActionView())
       ->setIcon('fa-plus')
       ->setName(pht('Add Column'))
       ->setHref($add_uri)
       ->setDisabled(!$can_edit)
       ->setWorkflow(true);
 
     $reorder_uri = $this->getApplicationURI("board/{$id}/reorder/");
     $manage_items[] = id(new PhabricatorActionView())
       ->setIcon('fa-exchange')
       ->setName(pht('Reorder Columns'))
       ->setHref($reorder_uri)
       ->setDisabled(!$can_edit)
       ->setWorkflow(true);
 
     if ($show_hidden) {
       $hidden_uri = $this->getURIWithState()
         ->setQueryParam('hidden', null);
       $hidden_icon = 'fa-eye-slash';
       $hidden_text = pht('Hide Hidden Columns');
     } else {
       $hidden_uri = $this->getURIWithState()
         ->setQueryParam('hidden', 'true');
       $hidden_icon = 'fa-eye';
       $hidden_text = pht('Show Hidden Columns');
     }
 
     $manage_items[] = id(new PhabricatorActionView())
       ->setIcon($hidden_icon)
       ->setName($hidden_text)
       ->setHref($hidden_uri);
 
     $manage_items[] = id(new PhabricatorActionView())
       ->setType(PhabricatorActionView::TYPE_DIVIDER);
 
     $background_uri = $this->getApplicationURI("board/{$id}/background/");
     $manage_items[] = id(new PhabricatorActionView())
       ->setIcon('fa-paint-brush')
       ->setName(pht('Change Background Color'))
       ->setHref($background_uri)
       ->setDisabled(!$can_edit)
       ->setWorkflow(false);
 
     $manage_uri = $this->getApplicationURI("board/{$id}/manage/");
     $manage_items[] = id(new PhabricatorActionView())
       ->setIcon('fa-gear')
       ->setName(pht('Manage Workboard'))
       ->setHref($manage_uri);
 
     $batch_edit_uri = $request->getRequestURI();
     $batch_edit_uri->setQueryParam('batch', self::BATCH_EDIT_ALL);
     $can_batch_edit = PhabricatorPolicyFilter::hasCapability(
       $viewer,
       PhabricatorApplication::getByClass('PhabricatorManiphestApplication'),
       ManiphestBulkEditCapability::CAPABILITY);
 
     $manage_menu = id(new PhabricatorActionListView())
         ->setUser($viewer);
     foreach ($manage_items as $item) {
       $manage_menu->addAction($item);
     }
 
     $manage_button = id(new PHUIListItemView())
       ->setIcon('fa-cog')
       ->setHref('#')
       ->addSigil('boards-dropdown-menu')
       ->addSigil('has-tooltip')
       ->setMetadata(
         array(
           'tip' => pht('Manage'),
           'align' => 'S',
           'items' => hsprintf('%s', $manage_menu),
         ));
 
     return $manage_button;
   }
 
   private function buildFullscreenMenu() {
 
     $up = id(new PHUIListItemView())
       ->setIcon('fa-arrows-alt')
       ->setHref('#')
       ->addClass('phui-workboard-expand-icon')
       ->addSigil('jx-toggle-class')
       ->addSigil('has-tooltip')
       ->setMetaData(array(
         'tip' => pht('Fullscreen'),
         'map' => array(
           'phabricator-standard-page' => 'phui-workboard-fullscreen',
         ),
       ));
 
     return $up;
   }
 
   private function buildColumnMenu(
     PhabricatorProject $project,
     PhabricatorProjectColumn $column) {
 
     $request = $this->getRequest();
     $viewer = $request->getUser();
 
     $can_edit = PhabricatorPolicyFilter::hasCapability(
       $viewer,
       $project,
       PhabricatorPolicyCapability::CAN_EDIT);
 
     $column_items = array();
 
     if ($column->getProxyPHID()) {
       $default_phid = $column->getProxyPHID();
     } else {
       $default_phid = $column->getProjectPHID();
     }
 
     $specs = id(new ManiphestEditEngine())
       ->setViewer($viewer)
       ->newCreateActionSpecifications(array());
 
     foreach ($specs as $spec) {
       $column_items[] = id(new PhabricatorActionView())
         ->setIcon($spec['icon'])
         ->setName($spec['name'])
         ->setHref($spec['uri'])
         ->setDisabled($spec['disabled'])
         ->addSigil('column-add-task')
         ->setMetadata(
           array(
             'createURI' => $spec['uri'],
             'columnPHID' => $column->getPHID(),
             'boardPHID' => $project->getPHID(),
             'projectPHID' => $default_phid,
           ));
     }
 
     if (count($specs) > 1) {
       $column_items[] = id(new PhabricatorActionView())
         ->setType(PhabricatorActionView::TYPE_DIVIDER);
     }
 
     $batch_edit_uri = $request->getRequestURI();
     $batch_edit_uri->setQueryParam('batch', $column->getID());
     $can_batch_edit = PhabricatorPolicyFilter::hasCapability(
       $viewer,
       PhabricatorApplication::getByClass('PhabricatorManiphestApplication'),
       ManiphestBulkEditCapability::CAPABILITY);
 
     $column_items[] = id(new PhabricatorActionView())
       ->setIcon('fa-list-ul')
       ->setName(pht('Batch Edit Tasks...'))
       ->setHref($batch_edit_uri)
       ->setDisabled(!$can_batch_edit);
 
+    $batch_move_uri = $request->getRequestURI();
+    $batch_move_uri->setQueryParam('move', $column->getID());
+    $column_items[] = id(new PhabricatorActionView())
+      ->setIcon('fa-arrow-right')
+      ->setName(pht('Move Tasks to Column...'))
+      ->setHref($batch_move_uri)
+      ->setWorkflow(true);
+
     // Column Related Actions Below
     //
     $edit_uri = 'board/'.$this->id.'/edit/'.$column->getID().'/';
     $column_items[] = id(new PhabricatorActionView())
       ->setName(pht('Edit Column'))
       ->setIcon('fa-pencil')
       ->setHref($this->getApplicationURI($edit_uri))
       ->setDisabled(!$can_edit)
       ->setWorkflow(true);
 
     $can_hide = ($can_edit && !$column->isDefaultColumn());
     $hide_uri = 'board/'.$this->id.'/hide/'.$column->getID().'/';
     $hide_uri = $this->getApplicationURI($hide_uri);
     $hide_uri = $this->getURIWithState($hide_uri);
 
     if (!$column->isHidden()) {
       $column_items[] = id(new PhabricatorActionView())
         ->setName(pht('Hide Column'))
         ->setIcon('fa-eye-slash')
         ->setHref($hide_uri)
         ->setDisabled(!$can_hide)
         ->setWorkflow(true);
     } else {
       $column_items[] = id(new PhabricatorActionView())
         ->setName(pht('Show Column'))
         ->setIcon('fa-eye')
         ->setHref($hide_uri)
         ->setDisabled(!$can_hide)
         ->setWorkflow(true);
     }
 
     $column_menu = id(new PhabricatorActionListView())
       ->setUser($viewer);
     foreach ($column_items as $item) {
       $column_menu->addAction($item);
     }
 
     $column_button = id(new PHUIIconView())
       ->setIcon('fa-caret-down')
       ->setHref('#')
       ->addSigil('boards-dropdown-menu')
       ->setMetadata(
         array(
           'items' => hsprintf('%s', $column_menu),
         ));
 
     return $column_button;
   }
 
 
   /**
    * Add current state parameters (like order and the visibility of hidden
    * columns) to a URI.
    *
    * This allows actions which toggle or adjust one piece of state to keep
    * the rest of the board state persistent. If no URI is provided, this method
    * starts with the request URI.
    *
    * @param string|null URI to add state parameters to.
    * @param bool True to explicitly include all state.
    * @return PhutilURI URI with state parameters.
    */
   private function getURIWithState($base = null, $force = false) {
     $project = $this->getProject();
 
     if ($base === null) {
       $base = $this->getRequest()->getRequestURI();
     }
 
     $base = new PhutilURI($base);
 
     if ($force || ($this->sortKey != $this->getDefaultSort($project))) {
       $base->setQueryParam('order', $this->sortKey);
     } else {
       $base->setQueryParam('order', null);
     }
 
     if ($force || ($this->queryKey != $this->getDefaultFilter($project))) {
       $base->setQueryParam('filter', $this->queryKey);
     } else {
       $base->setQueryParam('filter', null);
     }
 
     $base->setQueryParam('hidden', $this->showHidden ? 'true' : null);
 
     return $base;
   }
 
   private function buildInitializeContent(PhabricatorProject $project) {
     $request = $this->getRequest();
     $viewer = $this->getViewer();
 
     $type = $request->getStr('initialize-type');
 
     $id = $project->getID();
 
     $profile_uri = $this->getApplicationURI("profile/{$id}/");
     $board_uri = $this->getApplicationURI("board/{$id}/");
     $import_uri = $this->getApplicationURI("board/{$id}/import/");
 
     $set_default = $request->getBool('default');
     if ($set_default) {
       $this
         ->getProfileMenuEngine()
         ->adjustDefault(PhabricatorProject::ITEM_WORKBOARD);
     }
 
     if ($request->isFormPost()) {
       if ($type == 'backlog-only') {
         $column = PhabricatorProjectColumn::initializeNewColumn($viewer)
           ->setSequence(0)
           ->setProperty('isDefault', true)
           ->setProjectPHID($project->getPHID())
           ->save();
 
           $xactions = array();
           $xactions[] = id(new PhabricatorProjectTransaction())
             ->setTransactionType(
                 PhabricatorProjectWorkboardTransaction::TRANSACTIONTYPE)
             ->setNewValue(1);
 
           id(new PhabricatorProjectTransactionEditor())
             ->setActor($viewer)
             ->setContentSourceFromRequest($request)
             ->setContinueOnNoEffect(true)
             ->setContinueOnMissingFields(true)
             ->applyTransactions($project, $xactions);
 
         return id(new AphrontRedirectResponse())
           ->setURI($board_uri);
       } else {
         return id(new AphrontRedirectResponse())
           ->setURI($import_uri);
       }
     }
 
     // TODO: Tailor this UI if the project is already a parent project. We
     // should not offer options for creating a parent project workboard, since
     // they can't have their own columns.
 
     $new_selector = id(new AphrontFormRadioButtonControl())
       ->setLabel(pht('Columns'))
       ->setName('initialize-type')
       ->setValue('backlog-only')
       ->addButton(
         'backlog-only',
         pht('New Empty Board'),
         pht('Create a new board with just a backlog column.'))
       ->addButton(
         'import',
         pht('Import Columns'),
         pht('Import board columns from another project.'));
 
     $default_checkbox = id(new AphrontFormCheckboxControl())
       ->setLabel(pht('Make Default'))
       ->addCheckbox(
         'default',
         1,
         pht('Make the workboard the default view for this project.'),
         true);
 
     $form = id(new AphrontFormView())
       ->setUser($viewer)
       ->addHiddenInput('initialize', 1)
       ->appendRemarkupInstructions(
         pht('The workboard for this project has not been created yet.'))
       ->appendControl($new_selector)
       ->appendControl($default_checkbox)
       ->appendControl(
         id(new AphrontFormSubmitControl())
           ->addCancelButton($profile_uri)
           ->setValue(pht('Create Workboard')));
 
     $box = id(new PHUIObjectBoxView())
       ->setHeaderText(pht('Create Workboard'))
       ->setForm($form);
 
     return $box;
   }
 
   private function buildNoAccessContent(PhabricatorProject $project) {
     $viewer = $this->getViewer();
 
     $id = $project->getID();
 
     $profile_uri = $this->getApplicationURI("profile/{$id}/");
 
     return $this->newDialog()
       ->setTitle(pht('Unable to Create Workboard'))
       ->appendParagraph(
         pht(
           'The workboard for this project has not been created yet, '.
           'but you do not have permission to create it. Only users '.
           'who can edit this project can create a workboard for it.'))
       ->addCancelButton($profile_uri);
   }
 
 
   private function buildEnableContent(PhabricatorProject $project) {
     $request = $this->getRequest();
     $viewer = $this->getViewer();
 
     $id = $project->getID();
     $profile_uri = $this->getApplicationURI("profile/{$id}/");
     $board_uri = $this->getApplicationURI("board/{$id}/");
 
     if ($request->isFormPost()) {
       $xactions = array();
 
       $xactions[] = id(new PhabricatorProjectTransaction())
         ->setTransactionType(
             PhabricatorProjectWorkboardTransaction::TRANSACTIONTYPE)
         ->setNewValue(1);
 
       id(new PhabricatorProjectTransactionEditor())
         ->setActor($viewer)
         ->setContentSourceFromRequest($request)
         ->setContinueOnNoEffect(true)
         ->setContinueOnMissingFields(true)
         ->applyTransactions($project, $xactions);
 
       return id(new AphrontRedirectResponse())
         ->setURI($board_uri);
     }
 
     return $this->newDialog()
       ->setTitle(pht('Workboard Disabled'))
       ->addHiddenInput('initialize', 1)
       ->appendParagraph(
         pht(
           'This workboard has been disabled, but can be restored to its '.
           'former glory.'))
       ->addCancelButton($profile_uri)
       ->addSubmitButton(pht('Enable Workboard'));
   }
 
   private function buildDisabledContent(PhabricatorProject $project) {
     $viewer = $this->getViewer();
 
     $id = $project->getID();
 
     $profile_uri = $this->getApplicationURI("profile/{$id}/");
 
     return $this->newDialog()
       ->setTitle(pht('Workboard Disabled'))
       ->appendParagraph(
         pht(
           'This workboard has been disabled, and you do not have permission '.
           'to enable it. Only users who can edit this project can restore '.
           'the workboard.'))
       ->addCancelButton($profile_uri);
   }
 
 }