/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
//StoryTeller.DataModel.Model.StoryProject project = StoryTeller.DataModel.ProjectDataSource.Project;
//System.Runtime.Serialization.Json.DataContractJsonSerializer s = new System.Runtime.Serialization.Json.DataContractJsonSerializer(project.GetType());
//FileSavePicker saveDialog = new FileSavePicker();
//saveDialog.FileTypeChoices.Add(new KeyValuePair<string, IList<string>>("Json", new List<string>(new string[] { ".json" })));
//StorageFile storageFile = await saveDialog.PickSaveFileAsync();
//Stream stream = await storageFile.OpenStreamForWriteAsync();
//s.WriteObject(stream, project);
//stream.Flush();
string key = e.NavigationParameter.ToString();
DataContext = ViewModelCache.Local.Retrieve(key);
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
// TODO: Create an appropriate data model for your problem domain to replace the sample data
//var sampleDataGroups = await SampleDataSource.GetGroupsAsync();
//this.DefaultViewModel["Groups"] = sampleDataGroups;
DataContext = null;
DataContext = ViewModelCache.Local.Retrieve(ViewModelCacheKey);
if (null == DataContext)
{
SetDefaultContext();
}
else
{
projectViewModel = DataContext as ProjectViewModel;
libraryViewModel = projectViewModel.Library;
UpdateFullscreenButton();
}
}