protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
if (PageHelper.SessionHistoryHandleNavigateTo(NavigationService))
{
return;
}
PageHelper.InitAdControl(AdGrid);
var parameters = NavigationContext.QueryString;
if (parameters.ContainsKey("Url"))
{
_url = parameters["Url"];
}
else
{
_url = null;
}
if (parameters.ContainsKey("ClubHome"))
{
_clubHome = bool.Parse(parameters["ClubHome"]);
}
else
{
_clubHome = false;
}
if (State.ContainsKey("Url"))
{
_url = (String)State["Url"];
}
if (_clubGroup == null || !_clubGroup.IsLoaded)
{
if (_clubGroup != null)
{
_clubGroup.ClubGroupLoaded -= ClubGroup_Loaded;
}
_clubGroup = CreateClubGroup();
_clubGroup.ClubGroupLoaded += ClubGroup_Loaded;
DataContext = _clubGroup;
}
if (parameters.ContainsKey("Name"))
{
if (String.IsNullOrEmpty(_clubGroup.ClubGroupName))
{
_clubGroup.ClubGroupName = parameters["Name"];
}
}
App.Settings.CurrentSessionHistory.SetLastPageName(NavigationService, _clubGroup.ClubGroupName, "俱乐部分类");
if (!_clubGroup.IsLoaded && State.ContainsKey("ScrollOffset"))
{
_scrollOffset = (double)State["ScrollOffset"];
}
else
{
_scrollOffset = -1;
}
base.OnNavigatedTo(e);
if (!_clubGroup.IsLoaded)
{
LoadClubGroup();
}
}
private void LoadClubGroup()
{
(ApplicationBar.Buttons[0] as ApplicationBarIconButton).IsEnabled = false; //refresh button
(ApplicationBar.MenuItems[0] as ApplicationBarMenuItem).IsEnabled = false; //setting menu
LoadClubGroupProgressBar.Visibility = Visibility.Visible;
ClubGroupLoadingText.Visibility = Visibility.Visible;
ClubGroupNameTextBlock.Visibility = Visibility.Collapsed;
ClubLinkListBox.Visibility = Visibility.Collapsed;
if (_url != null)
{
_preload = false;
MitbbsClubGroupBase _saveClubGroup;
if (App.Settings.Preload & App.Settings.OfflineContentManager.TryLoadOfflineContent(App.Settings.BoardGroupPreloadOfflineID, _url, MitbbsSettings.OldContentExpirePeriod, out _saveClubGroup))
{
_clubGroup.ClubGroupLoaded -= ClubGroup_Loaded;
_clubGroup = _saveClubGroup;
_clubGroup.ClubGroupLoaded += ClubGroup_Loaded;
DataContext = _clubGroup;
Naboo.AppUtil.AsyncCallHelper.DelayCall(
() => ClubGroup_Loaded(this, null)
);
_preload = true;
}
if (String.IsNullOrEmpty(_clubGroup.ClubGroupName))
{
ClubGroupLoadingText.Text = "正在读取俱乐部...";
}
else
{
ClubGroupLoadingText.Text = "正在读取<" + _clubGroup.ClubGroupName + ">...";
}
if (_preload)
{
return;
}
HtmlWeb web = App.WebSession.CreateWebClient();
_clubGroup.LoadFromUrl(web, _url);
}
else
{
ClubGroupLoadingText.Text = "参数错误!";
}
}
