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();
     }
     $column_items[] = id(new PhabricatorActionView())->setIcon('fa-plus')->setName(pht('Create Task...'))->setHref($this->getCreateURI())->addSigil('column-add-task')->setMetadata(array('columnPHID' => $column->getPHID(), 'boardPHID' => $project->getPHID(), 'projectPHID' => $default_phid));
     $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);
     $detail_uri = $this->getApplicationURI('board/' . $this->id . '/column/' . $column->getID() . '/');
     $column_items[] = id(new PhabricatorActionView())->setIcon('fa-columns')->setName(pht('Column Details'))->setHref($detail_uri);
     $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;
 }