public void SetPage(FolderTree tree, bool setHeader = true)
{
if (History.Count > 0 && History.Peek() == tree)
{
return;
}
History.Push(tree);
SetBackButtonVisibility();
TreeInfo info = tree.Info;
SetText(info, setHeader);
if (IsBackToMusicPage(info))
{
LocalNavigationView.SelectedItem = LocalSongsItem;
LocalFrame.Navigate(typeof(LocalMusicPage), tree);
SetLocalGridView(Settings.settings.LocalMusicGridView);
}
else if (info.Folders > 0)
{
LocalNavigationView.SelectedItem = LocalFoldersItem;
LocalFrame.Navigate(typeof(LocalFoldersPage), tree);
SetLocalGridView(Settings.settings.LocalFolderGridView);
}
else
{
LocalNavigationView.SelectedItem = null;
}
}
/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="navigationEvent">Event data that describes how this page was reached. The Parameter
/// property is typically used to configure the page.</param>
///
protected override void OnNavigatedTo(NavigationEventArgs navigationEvent)
{
if (navigationEvent == null)
{
throw new ArgumentNullException("navigationEvent", "+ cannot be null");
}
if (navigationEvent.Parameter.ToString().Split(":".ToCharArray()).Length > 1)
{
LocalFrame.Navigate(typeof(GroupedItemsPage), "AllGroups"); //To have the correct Back-stack
LocalFrame.Navigate(typeof(GroupDetailPage), navigationEvent.Parameter.ToString().Split(":".ToCharArray())[1]);
}
else
{
LocalFrame.Navigate(typeof(GroupedItemsPage), navigationEvent.Parameter);
HideAppBars();
}
}
private void LocalNavigationView_ItemInvoked(NavigationView sender, NavigationViewItemInvokedEventArgs args)
{
bool isFolders = LocalFoldersItem.IsSelected;
Type page = isFolders ? typeof(LocalFoldersPage) : typeof(LocalMusicPage);
if (LocalFrame.CurrentSourcePageType == page)
{
return;
}
PageStackEntry lastPage = LocalFrame.BackStackDepth == 0 ? null : LocalFrame.BackStack.Last();
if (LocalFrame.CanGoBack && lastPage.SourcePageType == page && lastPage.Parameter == History.Peek())
{
LocalFrame.GoBack();
}
else
{
LocalFrame.Navigate(page, History.Peek());
}
SetLocalGridView(isFolders ? Settings.settings.LocalFolderGridView : Settings.settings.LocalMusicGridView);
}
private void LocalNavigationView_BackRequested(NavigationView sender, NavigationViewBackRequestedEventArgs args)
{
if (History.Count == 1)
{
return;
}
var tree = History.Pop();
int last;
PageStackEntry page;
do
{
page = LocalFrame.BackStack[last = LocalFrame.BackStack.Count - 1];
if (page.Parameter == tree)
{
LocalFrame.BackStack.RemoveAt(last);
}
else
{
break;
}
} while (true);
LocalFrame.GoBack();
var info = History.Peek().Info;
SetText(info);
switch (page.SourcePageType.Name)
{
case "LocalFoldersPage":
LocalFoldersItem.IsSelected = true;
SetLocalGridView(Settings.settings.LocalFolderGridView);
break;
case "LocalMusicPage":
LocalSongsItem.IsSelected = true;
SetLocalGridView(Settings.settings.LocalMusicGridView);
break;
}
SetBackButtonVisibility();
}
private void MoviesButton_Click(object sender, RoutedEventArgs e)
{
LocalFrame.Navigate(typeof(GroupedItemsPage), "AllGroups");
HideAppBars();
}
private void AddButton_Click(object sender, RoutedEventArgs e)
{
LocalFrame.Navigate(typeof(AddActor), "AllGroups");
HideAppBars();
}
private void HelpButton_Click(object sender, RoutedEventArgs e)
{
LocalFrame.Navigate(typeof(HelpPage), "AllGroups");
HideAppBars();
}
