TypeScript nativescript-ui-listview.RadListView类代码示例

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› TypeScript›TypeScript教程

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了TypeScript中nativescript-ui-listview.RadListView类的典型用法代码示例。如果您正苦于以下问题：TypeScript RadListView类的具体用法？TypeScript RadListView怎么用？TypeScript RadListView使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了RadListView类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的TypeScript代码示例。

示例1: onLoadMoreDataRequested

    public onLoadMoreDataRequested(args: LoadOnDemandListViewEventData) {
        const that = new WeakRef(this);
        const listView: RadListView = args.object;
        if (!this._itemsLoading) {
            if (this._sourceDataItems.length !== 0) {
                console.log("Load More Data Requested WILL LOAD");

                // Set flag to make sure that items are being loaded in the correct order.
                // This is necessary due to the asyc nature of getting and adding new items
                // to the 'items' property of the RadListView that may be caused by remote server API lag.
                this._itemsLoading = true;

                setTimeout(function () {
                    let thatInstance = that.get();
                    thatInstance.addMoreItemsFromSource(1);

                    // Reset the flag to allow next calls of 'loadMoreDataRequested' to load more items
                    thatInstance._itemsLoading = false;

                    listView.notifyLoadOnDemandFinished();
                }, 1500);
            } else {
                console.log("Load More Data Requested CANNOT LOAD");

                args.returnValue = false;
                listView.notifyLoadOnDemandFinished(true);
            }
        }
    }

开发者ID:telerik，项目名称:nativescript-ui-samples-angular，代码行数:29，代码来源:listview-fixed-size-auto-with-small-source.component.ts

示例2: onLoadMoreItemsRequested

 public onLoadMoreItemsRequested(args: LoadOnDemandListViewEventData) {
     const that = new WeakRef(this);
     const listView: RadListView = args.object;
     if (this._sourceDataItems.length > 0) {
         setTimeout(function () {
             that.get().addMoreItemsFromSource(2);
             listView.notifyLoadOnDemandFinished();
         }, 1500);
     } else {
         args.returnValue = false;
         listView.notifyLoadOnDemandFinished(true);
     }
 }

开发者ID:telerik，项目名称:nativescript-ui-samples-angular，代码行数:13，代码来源:listview-dynamic-size-auto.component.ts

示例3: setTimeout

                setTimeout(function () {
                    let thatInstance = that.get();
                    thatInstance.addMoreItemsFromSource(1);

                    // Reset the flag to allow next calls of 'loadMoreDataRequested' to load more items
                    thatInstance._itemsLoading = false;

                    listView.notifyLoadOnDemandFinished();
                }, 1500);

开发者ID:telerik，项目名称:nativescript-ui-samples-angular，代码行数:9，代码来源:listview-fixed-size-auto-with-small-source.component.ts

示例4: setTimeout

 setTimeout(function () {
     that.get().addMoreItemsFromSource(2);
     listView.notifyLoadOnDemandFinished();
 }, 1500);

开发者ID:telerik，项目名称:nativescript-ui-samples-angular，代码行数:4，代码来源:listview-dynamic-size-auto.component.ts

注：本文中的nativescript-ui-listview.RadListView类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。