/// <summary>
/// 使用在导航过程中传递的内容填充页。在从以前的会话
/// 重新创建页时，也会提供任何已保存状态。
/// </summary>
/// <param name="sender">
/// 事件的来源; 通常为 <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">事件数据，其中既提供在最初请求此页时传递给
/// <see cref="Frame.Navigate(Type, object)"/> 的导航参数，又提供
/// 此页在以前会话期间保留的状态的
/// 字典。 首次访问页面时，该状态将为 null。</param>
private async void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
// TODO: 创建适用于问题域的合适数据模型以替换示例数据
if ((string)e.NavigationParameter == "ReadList")
{
var group = await ReadListUtil.GetReadList();
this.DefaultViewModel["Group"] = group;
this.DefaultViewModel["Items"] = group.Items;
}
else if ((string)e.NavigationParameter == "FavList")
{
var group = await ReadListUtil.GetFavList();
this.DefaultViewModel["Group"] = group;
this.DefaultViewModel["Items"] = group.Items;
}
else
{
var group = await SampleDataSource.GetGroupAsync((string)e.NavigationParameter);
this.DefaultViewModel["Group"] = group;
this.DefaultViewModel["Items"] = group.Items;
}
}
//CommandBar处理
private async void AppBarClick(object sender, RoutedEventArgs e)
{
string id = (DefaultViewModel["Item"] as SampleDataItem).UniqueId;
var resourceLoader = ResourceLoader.GetForCurrentView("Resources");
switch ((sender as AppBarButton).Tag as string)
{
case "AddFav":
ReadListUtil.AddFavId(id);
//Lock Screen Badge
Global.Current.Notifications.UpdateBadgeWithNumber(1);
//Toast Notification
ToastUtil.ShowToast(resourceLoader.GetString("HubTitleText"), resourceLoader.GetString("AddFavSuccessText"));
this.AddFav.Visibility = Visibility.Collapsed;
this.RemoveFav.Visibility = Visibility.Visible;
break;
case "RemoveFav":
ReadListUtil.RemoveFavId(id);
//Lock Screen Badge
Global.Current.Notifications.UpdateBadgeWithNumber(2);
//Toast Notification
ToastUtil.ShowToast(resourceLoader.GetString("HubTitleText"), resourceLoader.GetString("RemoveFavSuccessText"));
this.AddFav.Visibility = Visibility.Visible;
this.RemoveFav.Visibility = Visibility.Collapsed;
break;
case "Share":
(DefaultViewModel["Item"] as SampleDataItem).Title.RegisterForShare(resourceLoader.GetString("ShareTitle"), resourceLoader.GetString("ShareDesc"));
break;
case "Save":
{
//检测是否有sd卡，如果没有，就弹出toast提示
if (!await FileEx.IsAvailableRemoveDevice("SD"))
{
ToastUtil.ShowToast(resourceLoader.GetString("HubTitleText"), resourceLoader.GetString("NoSD"));
return;
}
//保存文件到sd卡
string fileName = string.Empty;
foreach (StorageTarget item in Enum.GetValues(typeof(StorageTarget)))
{
if (item.ToString() == "SD")
{
await resourceLoader.GetString("HTMLContent").Save("NewsSample", "saved.html", item);
ToastUtil.ShowToast(resourceLoader.GetString("HubTitleText"), resourceLoader.GetString("SaveSDSuccessText"));
}
}
}
break;
default:
break;
}
}
/// <summary>
/// 在单击某个项时进行调用。
/// </summary>
/// <param name="sender">显示所单击项的 GridView。</param>
/// <param name="e">描述所单击项的事件数据。</param>
private void ItemView_ItemClick(object sender, ItemClickEventArgs e)
{
// 导航至相应的目标页，并
// 通过将所需信息作为导航参数传入来配置新页
var itemId = ((SampleDataItem)e.ClickedItem).UniqueId;
((SampleDataItem)e.ClickedItem).Read = true;
ReadListUtil.SaveReadId(itemId);
TileUitl.UpdateTile(((SampleDataItem)e.ClickedItem).Title);
this.Frame.Navigate(typeof(ItemPage), itemId);
}
/// <summary>
/// 显示在 <see cref="ItemPage"/> 中单击的项的详细信息。
/// </summary>
/// <param name="sender">Click 事件的源。</param>
/// <param name="e">有关 Click 事件的默认信息。</param>
private void ItemView_ItemClick(object sender, ItemClickEventArgs e)
{
var itemId = ((SampleDataItem)e.ClickedItem).UniqueId;
((SampleDataItem)e.ClickedItem).Read = true;
ReadListUtil.SaveReadId(itemId);
TileUitl.UpdateTile(((SampleDataItem)e.ClickedItem).Title);
if (!Frame.Navigate(typeof(ItemPage), itemId))
{
throw new Exception(this.resourceLoader.GetString("NavigationFailedExceptionMessage"));
}
}
private async Task GetSampleDataAsync()
{
if (this._groups.Count != 0)
{
return;
}
Uri dataUri;
if (Windows.Globalization.ApplicationLanguages.Languages[0] == "zh-Hans-CN")
{
dataUri = new Uri("ms-appx:///DataModel/SampleDataCN.json");
}
else
{
dataUri = new Uri("ms-appx:///DataModel/SampleData.json");
}
StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(dataUri);
string jsonText = await FileIO.ReadTextAsync(file);
JsonObject jsonObject = JsonObject.Parse(jsonText);
JsonArray jsonArray = jsonObject["Groups"].GetArray();
foreach (JsonValue groupValue in jsonArray)
{
JsonObject groupObject = groupValue.GetObject();
SampleDataGroup group = new SampleDataGroup(groupObject["UniqueId"].GetString(),
groupObject["Title"].GetString(),
groupObject["Subtitle"].GetString(),
groupObject["ImagePath"].GetString(),
groupObject["Description"].GetString());
foreach (JsonValue itemValue in groupObject["Items"].GetArray())
{
JsonObject itemObject = itemValue.GetObject();
group.Items.Add(new SampleDataItem(itemObject["UniqueId"].GetString(),
itemObject["Title"].GetString(),
itemObject["Subtitle"].GetString(),
itemObject["ImagePath"].GetString(),
itemObject["Description"].GetString(),
itemObject["Content"].GetString(),
ReadListUtil.IsRead(itemObject["UniqueId"].GetString())
));
}
this.Groups.Add(group);
}
}
/// <summary>
/// 使用在导航过程中传递的内容填充页。 在从以前的会话
/// 重新创建页时，也会提供任何已保存状态。
/// </summary>
/// <param name="sender">
/// 事件的来源；通常为 <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">事件数据，其中既提供在最初请求此页时传递给
/// <see cref="Frame.Navigate(Type, object)"/> 的导航参数，又提供
/// 此页在以前会话期间保留的状态的
/// 字典。首次访问页面时，该状态将为 null。</param>
private async void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
// TODO: 创建适用于问题域的合适数据模型以替换示例数据
var item = await SampleDataSource.GetItemAsync((string)e.NavigationParameter);
this.DefaultViewModel["Item"] = item;
this.AddFav.Visibility = (ReadListUtil.IsFav(item.UniqueId)) ? Visibility.Collapsed : Visibility.Visible;
this.RemoveFav.Visibility = (ReadListUtil.IsFav(item.UniqueId)) ? Visibility.Visible : Visibility.Collapsed;
var resourceLoader = ResourceLoader.GetForCurrentView("Resources");
string aaa = resourceLoader.GetString("HTMLContent");
aaa = aaa.Replace("<!DOCTYPE html><html lang='en' xmlns='http://www.w3.org/1999/xhtml'><head> <meta charset='utf-8' /> <title></title></head><body>", "<!DOCTYPE html><html lang='en' xmlns='http://www.w3.org/1999/xhtml'><head> <meta charset='utf-8' /> <title></title></head><body bgcolor='#1f1f1f' text='#ffffff'>");
this.NewsBrowser.NavigateToString(aaa);
}
/// <summary>
/// 使用在导航过程中传递的内容填充页。 在从以前的会话
/// 重新创建页时，也会提供任何已保存状态。
/// </summary>
/// <param name="sender">
/// 事件的来源；通常为 <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">事件数据，其中既提供在最初请求此页时传递给
/// <see cref="Frame.Navigate(Type, object)"/> 的导航参数，又提供
/// 此页在以前会话期间保留的状态的
/// 字典。首次访问页面时，该状态将为 null。</param>
private async void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
// TODO: 创建适用于问题域的合适数据模型以替换示例数据
if ((string)e.NavigationParameter == "ReadList")
{
this.DefaultViewModel["Item"] = await ReadListUtil.GetReadList();
}
else if ((string)e.NavigationParameter == "FavList")
{
this.DefaultViewModel["Item"] = ReadListUtil.GetFavList();
}
else
{
var item = await SampleDataSource.GetItemAsync((string)e.NavigationParameter);
this.DefaultViewModel["Item"] = item;
this.AddFav.Visibility = (ReadListUtil.IsFav(item.UniqueId)) ? Visibility.Collapsed : Visibility.Visible;
this.RemoveFav.Visibility = (ReadListUtil.IsFav(item.UniqueId)) ? Visibility.Visible : Visibility.Collapsed;
}
}
/// <summary>
/// 在单击节内的项时调用。
/// </summary>
/// <param name="sender">GridView 或 ListView
/// 为 ListView)。</param>
/// <param name="e">描述所单击项的事件数据。</param>
void ItemView_ItemClick(object sender, ItemClickEventArgs e)
{
// 导航至相应的目标页，并
// 通过将所需信息作为导航参数传入来配置新页
if (e.ClickedItem is SampleDataItem)
{
var itemId = ((SampleDataItem)e.ClickedItem).UniqueId;
((SampleDataItem)e.ClickedItem).Read = true;
ReadListUtil.SaveReadId(itemId);
TileUitl.UpdateTile(((SampleDataItem)e.ClickedItem).Title);
this.Frame.Navigate(typeof(ItemPage), itemId);
}
else if (e.ClickedItem is SampleDataGroup)
{
var groupId = ((SampleDataGroup)e.ClickedItem).UniqueId;
if (!Frame.Navigate(typeof(SectionPage), groupId))
{
throw new Exception(this.resourceLoader.GetString("NavigationFailedExceptionMessage"));
}
}
else if (e.ClickedItem is HeroImageItem)
{
Frame.Navigate(typeof(ItemPage), "Group-3-Item-4");
}
else if (e.ClickedItem is AboutItem)
{
var tag = ((AboutItem)e.ClickedItem).tag;
if (tag == "ReadList")
{
Frame.Navigate(typeof(SectionPage), "ReadList");
}else if(tag=="FavList")
{
Frame.Navigate(typeof(SectionPage), "FavList");
}
}
}