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Fix: ListView not showing first items of VirtArray

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vakrilov
2017-02-09 16:52:14 +02:00
parent 4ce4b12859
commit 87f936bcd8
5 changed files with 54 additions and 54 deletions
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6
tns-core-modules/ui/list-view/list-view-common.ts
View File

@@ -1,5 +1,5 @@
import { ListView as ListViewDefinition, ItemsSource } from "ui/list-view";
import { CoercibleProperty, CssProperty, Style, View, Template, KeyedTemplate, Length, Property, Color, lengthComparer } from "ui/core/view";
import { CoercibleProperty, CssProperty, Style, View, Template, KeyedTemplate, Length, Property, Color, lengthComparer, Observable } from "ui/core/view";
import { parse, parseMultipleTemplates } from "ui/builder";
import { Label } from "ui/label";
import { ObservableArray, ChangedData } from "data/observable-array";
@@ -129,11 +129,11 @@ export abstract class ListViewBase extends View implements ListViewDefinition {
*/
export const itemsProperty = new Property<ListViewBase, any[] | ItemsSource>({
name: "items", valueChanged: (target, oldValue, newValue) => {
if (oldValue instanceof ObservableArray) {
if (oldValue instanceof Observable) {
removeWeakEventListener(oldValue, ObservableArray.changeEvent, target._onItemsChanged, target);
}
if (newValue instanceof ObservableArray) {
if (newValue instanceof Observable) {
addWeakEventListener(newValue, ObservableArray.changeEvent, target._onItemsChanged, target);
}