Add the possibility to create external tasks

app/Helper/TaskHelper.php

@@ -238,4 +238,32 @@ class TaskHelper extends Base
 
         return $this->taskModel->getProgress($task, $this->columns[$task['project_id']]);
     }
+
+    public function getNewTaskDropdown($projectId, $swimlaneId, $columnId)
+    {
+        $providers = $this->externalTaskManager->getProvidersList();
+
+        if (empty($providers)) {
+            return '';
+        }
+
+        $html = '<small class="pull-right"><div class="dropdown">';
+        $html .= '<a href="#" class="dropdown-menu"><i class="fa fa-cloud-download" aria-hidden="true"></i> <i class="fa fa-caret-down"></i></a><ul>';
+
+        foreach ($providers as $providerName) {
+            $link = $this->helper->url->link(
+                t('New External Task: %s', $providerName),
+                'ExternalTaskCreationController',
+                'step1',
+                array('project_id' => $projectId, 'swimlane_id' => $swimlaneId, 'column_id' => $columnId, 'provider_name' => $providerName),
+                false,
+                'popover-link'
+            );
+
+            $html .= '<li><i class="fa fa-fw fa-plus-square" aria-hidden="true"></i> '.$link.'</li>';
+        }
+
+        $html .= '</ul></div></small>';
+        return $html;
+    }
 }