From dd1b8655a5e7b58ce0c94fe804b279498095fba3 Mon Sep 17 00:00:00 2001
From: Daniel Herrero <dherrero@alfatecsistemas.es>
Date: Tue, 9 Jan 2018 14:21:17 +0100
Subject: [PATCH] dropDown error corregido cuando el servidor tarda en
 responder

---
 client/core/src/drop-down/drop-down.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/client/core/src/drop-down/drop-down.js b/client/core/src/drop-down/drop-down.js
index deaea7743..292165ad5 100644
--- a/client/core/src/drop-down/drop-down.js
+++ b/client/core/src/drop-down/drop-down.js
@@ -86,9 +86,17 @@ export default class DropDown {
         });
     }
 
-    _eventScroll(add) {
+    _eventScroll(add, num) {
+        let count = num || 0;
         if (add) {
-            this.container.addEventListener('scroll', e => this.loadFromScroll(e));
+            if (this.container)
+                this.container.addEventListener('scroll', e => this.loadFromScroll(e));
+            else if (count < 4) {
+                count++;
+                this.$timeout(() => { // wait angular ngIf
+                    this._eventScroll(add, count);
+                }, 250);
+            }
         } else {
             this.container.removeEventListener('scroll', e => this.loadFromScroll(e));
         }