feat(listview): add required interface for generalized listview comonent (NativeScript#5524)

PeterStaev · manoldonev · commit b29f04ff16b6 · 2018-03-22T12:43:39.000+02:00
diff --git a/tns-core-modules/ui/list-view/list-view-common.ts b/tns-core-modules/ui/list-view/list-view-common.ts
@@ -1,4 +1,4 @@
-&#65279;import { ListView as ListViewDefinition, ItemsSource, ItemEventData } from ".";
+import { ListView as ListViewDefinition, ItemsSource, ItemEventData, TemplatedItemsView } from ".";
 import { CoercibleProperty, CssProperty, Style, View, Template, KeyedTemplate, Length, Property, Color, Observable, EventData, CSSType } from "../core/view";
 import { parse, parseMultipleTemplates } from "../builder";
 import { Label } from "../label";
@@ -19,7 +19,7 @@ export module knownMultiTemplates {
 const autoEffectiveRowHeight = -1;
 
 @CSSType("ListView")
-export abstract class ListViewBase extends View implements ListViewDefinition {
+export abstract class ListViewBase extends View implements ListViewDefinition, TemplatedItemsView {
     public static itemLoadingEvent = "itemLoading";
     public static itemTapEvent = "itemTap";
     public static loadMoreItemsEvent = "loadMoreItems";
diff --git a/tns-core-modules/ui/list-view/list-view.d.ts b/tns-core-modules/ui/list-view/list-view.d.ts
@@ -154,6 +154,15 @@ export interface ItemsSource {
     getItem(index: number): any;
 }
 
+export interface TemplatedItemsView {
+    items: any[] | ItemsSource;
+    itemTemplate: string | Template;
+    itemTemplates?: string | Array<KeyedTemplate>;
+    refresh(): void;
+    on(event: "itemLoading", callback: (args: ItemEventData) => void, thisArg?: any);
+    off(event: "itemLoading", callback: (args: EventData) => void, thisArg?: any);
+}
+
 /**
  * Represents the property backing the items property of each ListView instance.
  */
