From a6ed6fcc3126acaa3dcc4e6cfd0f861c08675c4d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89milie=20Feral?= <emilie.feral@numworks.com>
Date: Fri, 23 Sep 2016 18:06:19 +0200
Subject: [PATCH] [apps/graph/list] do not suppress the last function of the
 list

Change-Id: Iba5af053fa388fd65cc9017507b21ee1dd853b9e
---
 apps/graph/list/parameter_controller.cpp | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/apps/graph/list/parameter_controller.cpp b/apps/graph/list/parameter_controller.cpp
index b5551b8c0..6a445ad24 100644
--- a/apps/graph/list/parameter_controller.cpp
+++ b/apps/graph/list/parameter_controller.cpp
@@ -80,10 +80,15 @@ bool ParameterController::handleEnter() {
     }
     case 2:
     {
-      m_functionStore->removeFunction(m_function);
-      StackViewController * stack = (StackViewController *)(parentResponder());
-      stack->pop();
-      return true;
+      if (m_functionStore->numberOfFunctions() > 1) {
+        m_functionStore->removeFunction(m_function);
+        StackViewController * stack = (StackViewController *)(parentResponder());
+        stack->pop();
+        return true;
+      } else {
+        // TODO: add an warning "no function to delete!"
+        return false;
+      }
     }
     default:
     {