public override void OnNavigatingFrom(NavigatingFromEventArgs e, Dictionary <string, object> viewModelState, bool suspending)
{
if (e.NavigationMode == NavigationMode.Back && _appLoaderService.IsShowed)
{
e.Cancel = true;
return;
}
if (e.NavigationMode == NavigationMode.Back && IsSelectionMode)
{
SetDefaultMode();
e.Cancel = true;
return;
}
if (e.NavigationMode == NavigationMode.New)
{
viewModelState[nameof(Videos)] = JsonConvert.SerializeObject(Videos.ToList());
viewModelState[nameof(_offset)] = _offset;
}
PrimaryItems.Clear();
SecondaryItems.Clear();
base.OnNavigatingFrom(e, viewModelState, suspending);
}
/// <summary>
/// Populates the nav items.
/// </summary>
protected override void PopulateNavItems()
{
PrimaryItems.Clear();
PrimaryItems.Add(new NavigationItem("Unlist Nuget packages", Application.Current.Resources["validation"] as string, ForegroundColor, Unlist_Command));
SecondaryItems.Clear();
SecondaryItems.Add(new NavigationItem("Help", Application.Current.Resources["help"] as string, ForegroundColor, Help_Command));
}
private void CreateDefaultAppBarButtons()
{
PrimaryItems.Clear();
SecondaryItems.Clear();
if (LastPivotIndex == 0)
{
PrimaryItems.Add(new AppBarButton
{
Label = _locService["AppBarButton_Shuffle_Text"],
Icon = new FontIcon {
Glyph = "\uE14B"
},
Command = PlayShuffleCommand
});
}
PrimaryItems.Add(new AppBarButton
{
Label = _locService["AppBarButton_Refresh_Text"],
Icon = new FontIcon {
Glyph = "\uE117", FontSize = 14
},
Command = ReloadContentCommand
});
if (LastPivotIndex != 1)
{
PrimaryItems.Add(new AppBarButton
{
Label = _locService["AppBarButton_Select_Text"],
Icon = new FontIcon {
Glyph = "\uE133", FontSize = 14
},
Command = ActivateSelectionMode
});
}
if (_launchViewResolver.LaunchViewName != AppConstants.DEFAULT_MAIN_VIEW)
{
PrimaryItems.Add(new AppBarButton
{
Label = _locService["AppBarButton_Home_Text"],
Icon = new FontIcon {
Glyph = "\uE10F"
},
Command = OpenMainViewCommand
});
}
SecondaryItems.Add(new AppBarButton
{
Label = _locService["AppBarButton_TransferManager_Text"],
Command = OpenTransferManagerCommand
});
}
/// <summary>
/// Populates the nav items.
/// </summary>
protected override void PopulateNavItems()
{
PrimaryItems.Clear();
PrimaryItems.Add(new NavigationItem("Info", Application.Current.Resources["info"] as string, ForegroundColor, Info_Command));
PrimaryItems.Add(new NavigationItem("Editable Combobox", Application.Current.Resources["combobox"] as string, ForegroundColor, EditableCombo_Command));
PrimaryItems.Add(new NavigationItem("Validation", Application.Current.Resources["validation"] as string, ForegroundColor, ValidationTest_Command));
PrimaryItems.Add(new NavigationItem("Unit Conversion", Application.Current.Resources["weight"] as string, ForegroundColor, UnitConversion_Command));
SecondaryItems.Clear();
SecondaryItems.Add(new NavigationItem("Help", Application.Current.Resources["help"] as string, ForegroundColor, Help_Command));
SecondaryItems.Add(new NavigationItem("Language", Application.Current.Resources["flag"] as string, ForegroundColor, Language_Command));
SecondaryItems.Add(new NavigationItem("Color", Application.Current.Resources["color"] as string, ForegroundColor, Color_Command));
SecondaryItems.Add(new NavigationItem(Context.IsAuthenticated ? "Logout" : "Login", Application.Current.Resources["user2"] as string, ForegroundColor, Login_Command));
}
/// <summary>
/// Populates the nav items.
/// </summary>
protected override void PopulateNavItems()
{
PrimaryItems.Clear();
PrimaryItems.Add(new NavigationItem("SlideShow", Application.Current.Resources["kiosk"] as string, ForegroundColor, Display_Command));
PrimaryItems.Add(new NavigationItem("Info", Application.Current.Resources["info"] as string, ForegroundColor, Info_Command));
PrimaryItems.Add(new NavigationItem("Browse", Application.Current.Resources["search"] as string, ForegroundColor, Browse_Command));
PrimaryItems.Add(new NavigationItem("Converters", Application.Current.Resources["products"] as string, ForegroundColor, Converter_Command));
PrimaryItems.Add(new NavigationItem("Selection", Application.Current.Resources["multiselect"] as string, ForegroundColor, SelectionTest_Command));
PrimaryItems.Add(new NavigationItem("ListView", Application.Current.Resources["products"] as string, ForegroundColor, ListViewTest_Command));
PrimaryItems.Add(new NavigationItem("Validation", Application.Current.Resources["Validation"] as string, ForegroundColor, ValidationTest_Command));
SecondaryItems.Clear();
SecondaryItems.Add(new NavigationItem("Help", Application.Current.Resources["help"] as string, ForegroundColor, Help_Command));
SecondaryItems.Add(new NavigationItem("Language", Application.Current.Resources["flag"] as string, ForegroundColor, Language_Command));
SecondaryItems.Add(new NavigationItem("Theme", Application.Current.Resources["color"] as string, ForegroundColor, Color_Command));
SecondaryItems.Add(new NavigationItem(Context.IsAuthenticated ? "Logout" : "Login", Application.Current.Resources["user2"] as string, ForegroundColor, Login_Command));
}
protected virtual void CreateDefaultAppBarButtons()
{
PrimaryItems.Clear();
SecondaryItems.Clear();
PrimaryItems.Add(new AppBarButton
{
Label = _locService["AppBarButton_Refresh_Text"],
Icon = new FontIcon {
Glyph = "\uE117", FontSize = 14
},
Command = ReloadCommand
});
SecondaryItems.Add(new AppBarButton
{
Label = _locService["AppBarButton_TransferManager_Text"],
Command = OpenTransferManagerCommand
});
}
/// <summary>
/// 根据现有的预定义菜单内容添加入口点。
/// </summary>
private void FetchOptions()
{
PrimaryItems.Clear();
SecondaryItems.Clear();
SecondaryItems.Add(new MasterPageItem("设置", "SettingPage"));
#if __IOS__
AppleItems.Clear();
InAppEntrance.Clear();
var settingList = new InfoEntranceGroup("设置")
{
new TapEntranceWrapper("设置", "调整程序运行的参数。",
(nav) => nav.PushAsync(SecondaryItems[0].CorePage)),
new TapEntranceWrapper("关于", "程序的版本信息、开发人员、许可证和隐私声明等。",
(nav) => nav.PushAsync(new AboutPage())),
};
#endif
AddMenuEntry("首页", "IndexPage", "\xE10F", sel: true, apple: "tab_rec.png");
AddMenuEntry("课程表", "SchedulePage", "\xECA5", apple: "tab_sched.png");
#if !__ANDROID__
if (Core.App.Feed != null)
{
AddMenuEntry("学校通知", "FeedPage", "\xED0D", apple: "tab_feed.png");
}
if (Core.App.Message != null)
{
AddMenuEntry("站内消息", "MessagePage", "\xE715");
}
#else
if (Core.App.Feed != null && Core.App.Message != null)
{
AddMenuEntry("消息通知", "MessageTabbedPage", "\xE715");
}
else if (Core.App.Feed != null)
{
AddMenuEntry("学校通知", "FeedPage", "\xED0D");
}
else if (Core.App.Message != null)
{
AddMenuEntry("站内消息", "MessagePage", "\xE715");
}
#endif
if (Core.App.GradePoint != null)
{
AddMenuEntry("学分成绩", "GradePointPage", "\xE82D");
}
if (Core.App.InfoEntrances.Count > 0 || Core.RuntimePlatform == "iOS")
{
AddMenuEntry("信息查询", "InfoQueryPage", "\xE946", apple: "tab_about.png");
}
#if __IOS__
if (InAppEntrance.Count > 0)
{
Core.App.InfoEntrances.Insert(0, InAppEntrance);
}
Core.App.InfoEntrances.Add(settingList);
#endif
}
protected virtual void CreateSelectionAppBarButtons()
{
PrimaryItems.Clear();
SecondaryItems.Clear();
}
protected override void OnReloadContentCommand()
{
AppBarItems.Clear();
SecondaryItems.Clear();
VKTracks.Refresh();
}
private void CreateSelectionAppBarButtons()
{
PrimaryItems.Clear();
SecondaryItems.Clear();
PrimaryItems.Add(new AppBarButton
{
Label = _locService["AppBarButton_Download_Text"],
Icon = new FontIcon {
Glyph = "\uE118"
},
Command = DownloadSelectedCommand
});
PrimaryItems.Add(new AppBarButton
{
Label = _locService["AppBarButton_Play_Text"],
Icon = new FontIcon {
Glyph = "\uE102"
},
Command = PlaySelectedCommand
});
PrimaryItems.Add(new AppBarButton
{
Label = _locService["AppBarButton_SelectAll_Text"],
Icon = new FontIcon {
Glyph = "\uE0E7"
},
Command = SelectAllCommand
});
if (_userID != 0 && _userID != _vkLoginService.UserID)
{
switch (LastPivotIndex)
{
case 0:
SecondaryItems.Add(new AppBarButton
{
Label = _locService["AppBarButton_AddToMyAudios_Text"],
Command = AddSelectedToMyCollectionCommand
});
break;
case 1:
SecondaryItems.Add(new AppBarButton
{
Label = _locService["AppBarButton_AddToMyVideos_Text"],
Command = AddSelectedToMyCollectionCommand
});
break;
case 2:
SecondaryItems.Add(new AppBarButton
{
Label = _locService["AppBarButton_AddToMyDocs_Text"],
Command = AddSelectedToMyCollectionCommand
});
break;
}
}
else
{
SecondaryItems.Add(new AppBarButton
{
Label = _locService["AppBarButton_Delete_Text"],
Command = DeleteSelectedCommand
});
}
}
public override void OnNavigatingFrom(NavigatingFromEventArgs e, Dictionary <string, object> viewModelState, bool suspending)
{
if (e.NavigationMode == NavigationMode.Back && _appLoaderService.IsShowed)
{
e.Cancel = true;
_cancelOperations = true;
_appLoaderService.Hide();
return;
}
if (e.NavigationMode == NavigationMode.Back && IsSelectionMode)
{
SetDefaultMode();
e.Cancel = true;
return;
}
if (e.NavigationMode == NavigationMode.New)
{
var audioAlbums = AudioGroup.FirstOrDefault(g => (string)g.Key == "albums");
var audios = AudioGroup.FirstOrDefault(g => (string)g.Key == "audios");
if (audios != null)
{
audios.CollectionChanged -= Downloadable_CollectionChanged;
viewModelState["Audios"] = JsonConvert.SerializeObject(audios.ToList());
}
if (audioAlbums != null)
{
viewModelState["AudioAlbums"] = JsonConvert.SerializeObject(audioAlbums.ToList());
}
var videoAlbums = VideoGroup.FirstOrDefault(g => (string)g.Key == "albums");
var videos = VideoGroup.FirstOrDefault(g => (string)g.Key == "videos");
if (videos != null)
{
viewModelState["Videos"] = JsonConvert.SerializeObject(videos.ToList());
}
if (videoAlbums != null)
{
viewModelState["VideoAlbums"] = JsonConvert.SerializeObject(videoAlbums.ToList());
}
Documents.CollectionChanged -= Downloadable_CollectionChanged;
viewModelState[nameof(Documents)] = JsonConvert.SerializeObject(Documents.ToList());
viewModelState[nameof(LastPivotIndex)] = LastPivotIndex;
viewModelState[nameof(PageTitle)] = PageTitle;
viewModelState[nameof(_audiosOffset)] = _audiosOffset;
viewModelState[nameof(_audioAlbumsOffset)] = _audioAlbumsOffset;
viewModelState[nameof(_videosOffset)] = _videosOffset;
viewModelState[nameof(_videoAlbumsOffset)] = _videoAlbumsOffset;
viewModelState[nameof(_docsOffset)] = _docsOffset;
viewModelState[nameof(AudiosScrollPosition)] = AudiosScrollPosition;
viewModelState[nameof(VideosScrollPosition)] = VideosScrollPosition;
viewModelState[nameof(DocsScrollPosition)] = DocsScrollPosition;
}
if (!suspending)
{
PrimaryItems.Clear();
SecondaryItems.Clear();
SelectedItems.Clear();
}
base.OnNavigatingFrom(e, viewModelState, suspending);
}
