[-] BO: Don't display delete icon for order carts

classes/controller/AdminController.php

@@ -175,6 +175,9 @@ class AdminControllerCore extends Controller
 
 	/** @var array required_fields to display in the Required Fields form */
 	public $required_fields = array();
+	
+	/** @var Helper */
+	protected $helper;
 
 	/**
 	 * @var array actions to execute on multiple selections
@@ -1635,6 +1638,8 @@ class AdminControllerCore extends Controller
 
 		// For each action, try to add the corresponding skip elements list
 		$helper->list_skip_actions = $this->list_skip_actions;
+		
+		$this->helper = $helper;
 	}
 
 	public function setMedia()

controllers/admin/AdminCartsController.php

@@ -746,4 +746,14 @@ class AdminCartsControllerCore extends AdminController
 	{
 		return ($echo == '0' ? Configuration::get('PS_SHOP_NAME') : $echo);
 	}
+	
+	public function displayDeleteLink($token = null, $id, $name = null)
+	{
+		// don't display ordered carts
+		foreach ($this->_list as $row)
+			if ($row['id_cart'] == $id && isset($row['id_order']) && $row['id_order'])
+				return ;
+		
+		return $this->helper->displayDeleteLink($token, $id, $name);
+	}
 }