From 308fa55e02aad41f5536001c62365617594e24d2 Mon Sep 17 00:00:00 2001
From: Hristo Deshev <hristo@deshev.com>
Date: Tue, 14 Mar 2017 15:34:03 +0200
Subject: [PATCH] Fix disappearing list item styles when navigating back to a
 page.

Do not clear style scope on unload event. Do it when removing child
views instead.
---
 tns-core-modules/ui/core/view-base/view-base.ts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tns-core-modules/ui/core/view-base/view-base.ts b/tns-core-modules/ui/core/view-base/view-base.ts
index 33d355257..4c1abb644 100644
--- a/tns-core-modules/ui/core/view-base/view-base.ts
+++ b/tns-core-modules/ui/core/view-base/view-base.ts
@@ -240,8 +240,6 @@ export class ViewBase extends Observable implements ViewBaseDefinition {
     }
 
     public onUnloaded() {
-        this._styleScope = null;
-        this._setCssState(null);
         this._unloadEachChild();
         this._isLoaded = false;
         this._emit("unloaded");
@@ -261,6 +259,8 @@ export class ViewBase extends Observable implements ViewBaseDefinition {
         const scope = this._styleScope;
         if (scope) {
             scope.applySelectors(this);
+        } else {
+            this._setCssState(null);
         }
     }
 
@@ -540,6 +540,9 @@ export class ViewBase extends Observable implements ViewBaseDefinition {
      */
     public _removeViewCore(view: ViewBase) {
         // TODO: Discuss this.
+        if (this._styleScope === view._styleScope) {
+            view._setStyleScope(null);
+        }
         if (view.isLoaded) {
             view.onUnloaded();
         }