From fc9c1a4732dc5f93432447213f4ef0b3c5613826 Mon Sep 17 00:00:00 2001
From: Patrick Jentsch <p.jentsch@uni-bielefeld.de>
Date: Wed, 13 Jan 2021 12:05:25 +0100
Subject: [PATCH] Add necessary condition to enable build button

---
 web/app/static/js/nopaque/displays/CorpusDisplay.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/web/app/static/js/nopaque/displays/CorpusDisplay.js b/web/app/static/js/nopaque/displays/CorpusDisplay.js
index 2050ed49..df842f1d 100644
--- a/web/app/static/js/nopaque/displays/CorpusDisplay.js
+++ b/web/app/static/js/nopaque/displays/CorpusDisplay.js
@@ -55,7 +55,7 @@ class CorpusDisplay extends RessourceDisplay {
       }
     }
     for (let element of this.displayElement.querySelectorAll('.build-corpus-trigger')) {
-      if (status === 'unprepared') {
+      if (status === 'unprepared' && Object.values(this.corpus.files).length > 0) {
         element.classList.remove('disabled');
       } else {
         element.classList.add('disabled');