Apply page css when using nav-entry with create method

tns-core-modules/ui/styling/style-scope.d.ts

@@ -22,7 +22,7 @@ export class StyleScope {
 
     public static createSelectorsFromCss(css: string, cssFileName: string, keyframes: Object): RuleSet[];
     public static createSelectorsFromImports(tree: SyntaxTree, keyframes: Object): RuleSet[];
-    public ensureSelectors(): boolean;
+    public ensureSelectors(): number;
 
     public applySelectors(view: ViewBase): void
     public query(options: Node): SelectorCore[];

tns-core-modules/ui/styling/style-scope.ts

@@ -200,7 +200,7 @@ export class StyleScope {
         return undefined;
     }
 
-    public ensureSelectors(): boolean {
+    public ensureSelectors(): number {
         let toMerge: RuleSet[][];
         if (this._applicationCssSelectorsAppliedVersion !== applicationCssSelectorVersion ||
             this._localCssSelectorVersion !== this._localCssSelectorsAppliedVersion ||
@@ -218,12 +218,10 @@ export class StyleScope {
         if (toMerge && toMerge.length > 0) {
             this._mergedCssSelectors = toMerge.filter(m => !!m).reduce((merged, next) => merged.concat(next), []);
             this._applyKeyframesOnSelectors();
-        } else {
-            return false;
+            this._selectors = new SelectorsMap(this._mergedCssSelectors);
         }
 
-        this._selectors = new SelectorsMap(this._mergedCssSelectors);
-        return true;
+        return this._getSelectorsVersion();
     }
 
     public applySelectors(view: ViewBase): void {
@@ -245,6 +243,12 @@ export class StyleScope {
         this._viewIdToKey = {};
     }
 
+    private _getSelectorsVersion() {
+        // The counters can only go up. So we can return just appVersion + localVersion
+        // The 100000 * appVersion is just for easier debugging
+        return 100000 * this._applicationCssSelectorsAppliedVersion + this._localCssSelectorsAppliedVersion;
+    }
+
     private _applyKeyframesOnSelectors() {
         for (let i = this._mergedCssSelectors.length - 1; i >= 0; i--) {
             let ruleset = this._mergedCssSelectors[i];