From 77a74b3a94198435736ff3382ef92d0f78dcbba9 Mon Sep 17 00:00:00 2001
From: holgerd77 <Holger.Drewes@gmail.com>
Date: Fri, 29 Sep 2017 10:31:20 +0200
Subject: [PATCH] Add alert/help msg for injected provider not found when
 wanting to switch context

---
 src/execution-context.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/execution-context.js b/src/execution-context.js
index 0307b66738..abb215b220 100644
--- a/src/execution-context.js
+++ b/src/execution-context.js
@@ -138,6 +138,9 @@ function ExecutionContext () {
 
     if (context === 'injected') {
       if (injectedProvider === undefined) {
+        var alertMsg = 'No injected Web3 provider found. '
+        alertMsg += 'Make sure your provider (e.g. MetaMask) is active and running.'
+        modalDialogCustom.alert(alertMsg)
         cb()
       } else {
         executionContext = context