From 01904bc16eff726a5d7ef60266e4e0d29b190d4f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89milie=20Feral?= <emilie.feral@numworks.com>
Date: Fri, 20 Jan 2017 10:29:55 +0100
Subject: [PATCH] [apps/graph/list] Display warning when no function can be
 deleted

Change-Id: Id872300984efab3b30b8a7c97d7c83b4f6afd4cb
---
 apps/graph/list/parameter_controller.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/apps/graph/list/parameter_controller.cpp b/apps/graph/list/parameter_controller.cpp
index 14e77082d..cb2ead430 100644
--- a/apps/graph/list/parameter_controller.cpp
+++ b/apps/graph/list/parameter_controller.cpp
@@ -55,7 +55,14 @@ bool ParameterController::handleEvent(Ion::Events::Event event) {
           stack->pop();
           return true;
         } else {
-          // TODO: add an warning "no function to delete!"
+          if (m_functionStore->numberOfDefinedFunctions() == 1) {
+            Function * f = m_functionStore->definedFunctionAtIndex(0);
+            f->setContent("");
+            StackViewController * stack = (StackViewController *)(parentResponder());
+            stack->pop();
+            return true;
+          }
+          app()->displayWarning("Pas de fonction a supprimer");
           return false;
         }
       }