From 7da803389c6d36aed978ef8779ea0895e2bc313b Mon Sep 17 00:00:00 2001
From: tablatronix <alverson@Shawns-MacBook-Pro.local>
Date: Fri, 9 Nov 2018 16:43:54 -0600
Subject: [PATCH] add js to firmwaree upload

hide upload until selected, update return msg box
---
 extras/WiFiManager.template.html | 6 +++++-
 strings_en.h                     | 6 +++---
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/extras/WiFiManager.template.html b/extras/WiFiManager.template.html
index 513a8a0..1930ae3 100644
--- a/extras/WiFiManager.template.html
+++ b/extras/WiFiManager.template.html
@@ -303,7 +303,11 @@ button.D{
 		 		<p/>More information about WiFiManager at <a href='https://github.com/tzapu/WiFiManager'>https://github.com/tzapu/WiFiManager</a>
 			<!-- /HTTP_HELP -->
 			<!-- FORM_UPLOAD -->
-			<Br/><br/>Form UPLOAD<br/><form method='POST' action='u' enctype='multipart/form-data'><input type='file' name='update' accept='.bin,application/octet-stream'><button type='submit' value='Submit'>Submit</button></form>
+			<Br/><br/>Form UPLOAD<br/>
+			<form method='POST' action='u' enctype='multipart/form-data'>
+				<input type='file' name='update' accept='.bin,application/octet-stream' onchange="(function(el){document.getElementById('uploadbin').style.display = el.value=='' ? 'none' : 'initial';})(this)">
+				<button id='uploadbin' class="h">Submit</button>
+			</form>
 			<!-- /FORM_UPLOAD -->	
 
 <!-- HTTP_END -->
diff --git a/strings_en.h b/strings_en.h
index ea3d2e8..dbe4f5f 100644
--- a/strings_en.h
+++ b/strings_en.h
@@ -116,9 +116,9 @@ const char HTTP_HELP[]             PROGMEM =
  "</table>"
  "<p/>More information about WiFiManager at <a href='https://github.com/tzapu/WiFiManager'>https://github.com/tzapu/WiFiManager</a>.";
 
-const char HTTP_UPDATE[] PROGMEM = "<form method='POST' action='u' enctype='multipart/form-data'><input type='file' name='update' accept='.bin,application/octet-stream'><input type='submit' value='Update'></form>";
-const char HTTP_UPDATE_FAIL[] PROGMEM = "Update Failed!";
-const char HTTP_UPDATE_OK[] PROGMEM = "Update OK! Rebooting now...";
+const char HTTP_UPDATE[] PROGMEM = "Upload New Firmware<br/><form method='POST' action='u' enctype='multipart/form-data' onchange=\"(function(el){document.getElementById('uploadbin').style.display = el.value=='' ? 'none' : 'initial';})(this)\"><input type='file' name='update' accept='.bin,application/octet-stream'><button id='uploadbin' type='submit' class='h D'>Update</button></form>";
+const char HTTP_UPDATE_FAIL[] PROGMEM = "<div class='msg D'><strong>Update Failed!</strong><Br/>Reboot device and try again</div>";
+const char HTTP_UPDATE_OK[] PROGMEM = "<div class='msg P'><strong>Update OK!</strong> Device Rebooting now...</div>";
 
 #ifdef JSTEST
 const char HTTP_JS[] PROGMEM =