* [task#146638,done,1h,0h] Finish build flow group submenu.

lib/zin/wg/dropmenu/v1.php

@@ -84,6 +84,7 @@ class dropmenu extends wg
         $subMenu = array();
         if(!in_array($module, $app->config->hasBranchMenuModules) || in_array("{$module}-{$method}", $app->config->excludeBranchMenu)) return $subMenu;
         if($tab == 'product' || $tab == 'qa') $subMenu[] = $this->buildBranchDropMenu($module, $method, $tab, $objectID, $extra);
+        if($tab == 'admin')                   $subMenu[] = $this->buildFlowGroupMenu($module, $method, $extra);
         return $subMenu;
     }
 
@@ -148,6 +149,29 @@ class dropmenu extends wg
         return $branchMenu;
     }
 
+    /**
+     * 构造流程子级下拉菜单。
+     * Build flow group menu.
+     *
+     * @param  string      $module
+     * @param  string      $method
+     * @param  string|int  $objectID
+     * @access public
+     * @return object|null
+     */
+    public function buildFlowGroupMenu(string $module, string $method, string|int $objectID): object|null
+    {
+        $data     = $this->prop('data');
+        $app      = data('app');
+        $flowMenu = null;
+        if(empty($objectID)) return $flowMenu;
+
+        $flowGroup = $app->control->loadModel('workflowGroup')->fetchByID((int)$objectID);
+        $flowURL   = createLink('workflowGroup', 'ajaxGetDropMenu', "objectID=$objectID");
+        $flowMenu  = $this->buildDropmenu('flow-dropmenu', 'flow-dropmenu', $flowURL, $flowGroup->name, $data, $objectID);
+        return $flowMenu;
+    }
+
     /**
      * Override the build method.
      *