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The unloaded event of view in the ListView's itemTemplate will now be called when its underlying native view is removed from the visual tree. When this happens is beyond our control.

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Rossen Hristov
2015-07-20 09:13:32 +03:00
parent a4d879f5bb
commit ac36729cb7
9 changed files with 199 additions and 1 deletions
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40
apps/tests/ui/list-view/list-view-tests.ts
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@@ -684,3 +684,43 @@ function performNativeItemTap(listView: listViewModule.ListView, index: number):
throw new Error("Cannot perform native item tap");
}
}
//export function test_LoadedUnloaded() {
// var listView = new listViewModule.ListView();
// var vm = {
// loadedCount: 0,
// unloadedCount: 0,
// onViewLoaded: function onViewLoaded(args) {
// this.loadedCount++;
// console.log(args.object._domId + " LOADED");
// },
// onViewUnloaded: function onViewUnloaded(args) {
// this.unloadedCount++;
// console.log(args.object._domId + " UNLOADED");
// }
// };
// listView.itemTemplate = "<Label text=\"{{ $value }}\" loaded=\"{{ onViewLoaded }}\" unloaded=\"{{ onViewUnloaded }}\"/>";
// listView.bindingContext = vm;
// var count = 10;
// var modifier = listView.ios ? 1 : 0; // iOS has one fake measure cell that raises loaded.
// var generate = function (count: number): observableArray.ObservableArray<string> {
// var items = new observableArray.ObservableArray<string>();
// for (var i = 0; i < count; i++) {
// items.push("Item " + i);
// }
// return items;
// }
// function testAction(views: Array<viewModule.View>) {
// listView.items = generate(count);
// TKUnit.wait(ASYNC);
// frame.topmost().navigate("pages/navigation/pageB");
// TKUnit.wait(ASYNC);
// frame.topmost().goBack();
// TKUnit.assertEqual(vm.loadedCount, count + modifier, "Loaded Count");
// TKUnit.assertEqual(vm.unloadedCount, count, "Unloaded Count");
// }
// helper.buildUIAndRunTest(listView, testAction);
//}