From aee74f91b46df9425caa47cff3cdb947df7a17f9 Mon Sep 17 00:00:00 2001
From: Julia Radzhabova <Julia.Radzhabova@onlyoffice.com>
Date: Tue, 18 Sep 2018 16:22:30 +0300
Subject: [PATCH] Optimize dataview rendering

---
 apps/common/main/lib/component/DataView.js | 2 +-
 apps/common/main/lib/component/ListView.js | 2 +-
 apps/common/main/lib/component/TreeView.js | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/apps/common/main/lib/component/DataView.js b/apps/common/main/lib/component/DataView.js
index 07b629f58..d343f62ac 100644
--- a/apps/common/main/lib/component/DataView.js
+++ b/apps/common/main/lib/component/DataView.js
@@ -424,7 +424,7 @@ define([
                         innerEl.prepend(view.render().el); else
                         innerEl.append(view.render().el);
 
-                    innerEl.find('.empty-text').remove();
+                    (this.dataViewItems.length<1) && innerEl.find('.empty-text').remove();
                     var idx = _.indexOf(this.store.models, record);
                     this.dataViewItems = this.dataViewItems.slice(0, idx).concat(view).concat(this.dataViewItems.slice(idx));
 
diff --git a/apps/common/main/lib/component/ListView.js b/apps/common/main/lib/component/ListView.js
index 1476af029..c23f24473 100644
--- a/apps/common/main/lib/component/ListView.js
+++ b/apps/common/main/lib/component/ListView.js
@@ -77,7 +77,7 @@ define([
                     this.innerEl = $(this.el).find('.inner');
 
                 if (view && this.innerEl) {
-                    this.innerEl.find('.empty-text').remove();
+                    (this.dataViewItems.length<1) && this.innerEl.find('.empty-text').remove();
                     if (this.options.simpleAddMode) {
                         this.innerEl.append(view.render().el);
                         this.dataViewItems.push(view);
diff --git a/apps/common/main/lib/component/TreeView.js b/apps/common/main/lib/component/TreeView.js
index 1eb299f1b..fb5b001d3 100644
--- a/apps/common/main/lib/component/TreeView.js
+++ b/apps/common/main/lib/component/TreeView.js
@@ -195,7 +195,7 @@ define([
                 if (view) {
                     var innerEl = $(this.el).find('.inner').addBack().filter('.inner');
                     if (innerEl) {
-                        innerEl.find('.empty-text').remove();
+                        (this.dataViewItems.length<1) && innerEl.find('.empty-text').remove();
 
                         if (opts && opts.at!==undefined) {
                             var idx = opts.at;