private void EndRename(TextBox textBox)
{
if (textBox == null || textBox.Parent == null)
{
// Navigating away, do nothing
}
else if (FolderSettings.LayoutMode == FolderLayoutModes.GridView)
{
Popup popup = textBox.Parent as Popup;
TextBlock textBlock = (popup.Parent as Grid).Children[1] as TextBlock;
popup.IsOpen = false;
}
else if (FolderSettings.LayoutMode == FolderLayoutModes.TilesView)
{
Grid grid = textBox.Parent as Grid;
TextBlock textBlock = grid.Children[0] as TextBlock;
textBox.Visibility = Visibility.Collapsed;
textBlock.Visibility = Visibility.Visible;
}
textBox.LostFocus -= RenameTextBox_LostFocus;
textBox.KeyDown -= RenameTextBox_KeyDown;
FileNameTeachingTip.IsOpen = false;
IsRenamingItem = false;
// Re-focus selected list item
GridViewItem gridViewItem = FileList.ContainerFromItem(RenamingItem) as GridViewItem;
gridViewItem?.Focus(FocusState.Programmatic);
}
private void Button_PreviewKeyDown(object sender, KeyRoutedEventArgs e)
{
list.UpdateLayout();
switch (e.Key)
{
case VirtualKey.Down:
case VirtualKey.GamepadDPadDown:
case VirtualKey.GamepadLeftThumbstickDown:
//Stores all gridviews(one row enabled)
if (listRivers.Count == 0)
listRivers = TreeHelper.FindVisualChildren<GridView>(list);
//Stores the selected index item of each river
if (listIndexsInEachRiver == null || listIndexsInEachRiver.Count == 0)
{
listIndexsInEachRiver = new List<int>();
foreach (var item in listRivers)
{
listIndexsInEachRiver.Add(item.SelectedIndex);
}
}
if (list != null && list.Items.Count > 0)
{
//Find the first river, including a textblock and a adaptive gridview
var firstRiver = list.ContainerFromIndex(0) as ListViewItem;
var gridview = TreeHelper.FindVisualChild<GridView>(firstRiver);
if (gridview != null && gridview.Items.Count > 0)
{
GridViewItem item = new GridViewItem();
if (listIndexsInEachRiver[0] == -1)
{
item = gridview.ContainerFromIndex(0) as GridViewItem;
listIndexsInEachRiver[0] = 0;
}
else
{
item = gridview.ContainerFromIndex(listIndexsInEachRiver[0]) as GridViewItem;
listIndexsInEachRiver[0] = gridview.SelectedIndex;
}
item.Focus(FocusState.Programmatic);
item.IsSelected = true;
e.Handled = true;
}
}
e.Handled = true;
break;
case VirtualKey.Up:
case VirtualKey.GamepadDPadUp:
case VirtualKey.GamepadLeftThumbstickUp:
//Do nothing
e.Handled = true;
break;
default:
break;
}
}
public void RestoreFocus()
{
if (focusedItem != null)
{
focusedItem.Focus(FocusState.Keyboard);
focusedItem = null;
}
}
public XboxStationsPage()
{
this.InitializeComponent();
stationsGridView.SingleSelectionFollowsFocus = true;
long itemsSourceHandler = 0;
itemsSourceHandler = stationsGridView.RegisterPropertyChangedCallback(GridView.ItemsSourceProperty, new DependencyPropertyChangedCallback(async(obj, dp) =>
{
if (obj.GetValue(dp) != null)
{
//try and force focus on the first item when we load this page.
stationsGridView.UnregisterPropertyChangedCallback(GridView.ItemsSourceProperty, itemsSourceHandler);
//wait until we can get an item from the station grid view to focus. this is a hack but it'll have to do.
GridViewItem firstItem = null;
do
{
firstItem = (GridViewItem)stationsGridView.ContainerFromIndex(0);
await Task.Delay(50);
} while (firstItem == null);
firstItem.Focus(FocusState.Keyboard);
}
}));
#if DEBUG
this.GotFocus += (object sender, RoutedEventArgs e) =>
{
FrameworkElement focus = FocusManager.GetFocusedElement() as FrameworkElement;
if (focus != null)
{
System.Diagnostics.Debug.WriteLine("got focus: " + focus.Name + " (" +
focus.GetType().ToString() + ")");
}
};
#endif
}
private void ListView_PreviewKeyDown(object sender, KeyRoutedEventArgs e)
{
list.UpdateLayout();
if (listIndexsInEachRiver == null)
{
//Stores all gridviews(one row enabled)
listRivers = TreeHelper.FindVisualChildren<GridView>(list);
//Stores the selected index item of each river
listIndexsInEachRiver = new List<int>();
foreach (var item in listRivers)
{
listIndexsInEachRiver.Add(item.SelectedIndex);
}
}
//Declare:
//Each river contains a title and a gridview(one row enabled). Remember it!!!
//Current river
var listItem = list.ContainerFromIndex(riverIndexInAllRivers) as ListViewItem;
//Current GridView in current river
var currentRiver = TreeHelper.FindVisualChild<GridView>(listItem);
Debug.WriteLine("currentRiver.ActualWidth: " + currentRiver.ActualWidth);
//Current item index in current river
int itemIndexInCurrentRiver = currentRiver.SelectedIndex;
//Current river index in all rivers
//int riverIndexInCurrentRivers = listRivers.IndexOf(currentRiver);
switch (e.Key)
{
case VirtualKey.Down:
case VirtualKey.GamepadDPadDown:
case VirtualKey.GamepadLeftThumbstickDown:
if (riverIndexInAllRivers + 1 < listRivers.Count)
{
var nextRiver = listRivers[riverIndexInAllRivers + 1];
nextRiver.Focus(FocusState.Programmatic);
if (nextRiver.Items != null && nextRiver.Items.Count > 0)
{
GridViewItem item = new GridViewItem();
if (listIndexsInEachRiver[riverIndexInAllRivers + 1] == -1)
{
item = nextRiver.ContainerFromIndex(0) as GridViewItem;
listIndexsInEachRiver[riverIndexInAllRivers + 1] = 0;
}
else
{
item = nextRiver.ContainerFromIndex(listIndexsInEachRiver[riverIndexInAllRivers + 1]) as GridViewItem;
listIndexsInEachRiver[riverIndexInAllRivers] = itemIndexInCurrentRiver;
}
item.Focus(FocusState.Programmatic);
item.IsSelected = true;
item.StartBringIntoView();
}
riverIndexInAllRivers++;
}
e.Handled = true;
break;
case VirtualKey.Up:
case VirtualKey.GamepadDPadUp:
case VirtualKey.GamepadLeftThumbstickUp:
if (riverIndexInAllRivers - 1 >= 0)
{
var previousRiver = listRivers[riverIndexInAllRivers - 1];
previousRiver.Focus(FocusState.Programmatic);
if (previousRiver.Items != null && previousRiver.Items.Count > 0)
{
GridViewItem item = new GridViewItem();
if (listIndexsInEachRiver[riverIndexInAllRivers - 1] == -1) //Probably never happen
{
item = previousRiver.ContainerFromIndex(0) as GridViewItem;
listIndexsInEachRiver[riverIndexInAllRivers] = 0;
}
else
{
item = previousRiver.ContainerFromIndex(listIndexsInEachRiver[riverIndexInAllRivers - 1]) as GridViewItem;
listIndexsInEachRiver[riverIndexInAllRivers] = itemIndexInCurrentRiver;
}
item.Focus(FocusState.Programmatic);
item.IsSelected = true;
item.StartBringIntoView();
}
riverIndexInAllRivers--;
}
e.Handled = true;
break;
case VirtualKey.Left:
case VirtualKey.GamepadDPadLeft:
case VirtualKey.GamepadLeftThumbstickLeft:
if (itemIndexInCurrentRiver - 1 >= 0)
{
currentRiver.Focus(FocusState.Programmatic);
GridViewItem item = new GridViewItem();
item = currentRiver.ContainerFromIndex(listIndexsInEachRiver[riverIndexInAllRivers]) as GridViewItem;
listIndexsInEachRiver[riverIndexInAllRivers] = itemIndexInCurrentRiver - 1;
item.Focus(FocusState.Programmatic);
item.IsSelected = true;
item.StartBringIntoView();
e.Handled = false;
}
else
e.Handled = true;
break;
case VirtualKey.Right:
case VirtualKey.GamepadDPadRight:
case VirtualKey.GamepadLeftThumbstickRight:
if (itemIndexInCurrentRiver + 1 <= currentRiver.Items.Count - 1)
{
currentRiver.Focus(FocusState.Programmatic);
GridViewItem item = new GridViewItem();
item = currentRiver.ContainerFromIndex(listIndexsInEachRiver[riverIndexInAllRivers]) as GridViewItem;
listIndexsInEachRiver[riverIndexInAllRivers] = itemIndexInCurrentRiver + 1;
item.UpdateLayout();
item.Focus(FocusState.Programmatic);
item.IsSelected = true;
item.StartBringIntoView();
e.Handled = false;
}
else
e.Handled = true;
break;
default:
break;
}
}