private void OrderListBox_OnExecuteCommand(object sender, ExecutedRoutedEventArgs e)
{
var selected = this.OrderListBox.SelectedItems.Cast <MediaOrderItem>().ToArray();
bool activeSelected = selected.Any() && (selected.Count((item) => item == orderList.ActiveItem) != 0);
MediaOrderItem boundaryItem;
if (e.Command == CustomCommands.MoveUp)
{
boundaryItem = orderList.Move(selected, -1);
if (boundaryItem != null)
{
OrderListBox.ScrollIntoView(boundaryItem);
portfolioModified = true;
}
// set keyboard focus to last selected element (this is the element that
// was selected last when using Shift+Arrow key selection, therefore this should keep
// the selection where it was before) instead of moving focus to list box
// where it would end up by default with Ctlr+Arrow keys.
Keyboard.Focus((ListBoxItem)OrderListBox.ItemContainerGenerator.ContainerFromItem(selected.Last()));
}
else if (e.Command == CustomCommands.MoveDown)
{
boundaryItem = orderList.Move(selected, 1);
if (boundaryItem != null)
{
OrderListBox.ScrollIntoView(boundaryItem);
portfolioModified = true;
}
Keyboard.Focus((ListBoxItem)OrderListBox.ItemContainerGenerator.ContainerFromItem(selected.Last()));
}
else if (e.Command == ApplicationCommands.Delete)
{
if (selected.Any() && (!activeSelected || MessageBox.Show("Wollen Sie das aktive Element wirklich entfernen (Die Anzeige wird auf Blackscreen geschaltet, wenn die Präsentation gerade aktiv ist)?", "Aktives Element entfernen?", MessageBoxButton.YesNoCancel, MessageBoxImage.Warning) == MessageBoxResult.Yes))
{
int index = this.OrderListBox.SelectedIndex;
var selectedArray = selected.ToArray();
foreach (var item in selectedArray)
{
orderList.Remove(item);
}
if (index < this.OrderListBox.Items.Count)
{
this.OrderListBox.SelectedIndex = index;
OrderListBox.ScrollIntoView(this.OrderListBox.SelectedItem);
}
else if (this.OrderListBox.HasItems)
{
this.OrderListBox.SelectedIndex = this.OrderListBox.Items.Count - 1;
OrderListBox.ScrollIntoView(this.OrderListBox.SelectedItem);
}
portfolioModified = true;
}
}
else if (e.Command == CustomCommands.Activate)
{
orderList.ActiveItem = selected.Last();
}
else if (e.Command == NavigationCommands.Refresh)
{
// FIXME: If the focus is on another element than the OrderListBox, refresh does not work correctly ...
foreach (var item in selected)
{
orderList.Reload(item);
}
}
else if (e.Command == CustomCommands.OpenInEditor)
{
var ed = Controller.ShowEditorWindow();
foreach (var item in selected)
{
var song = item.Data as SongMedia;
ed.LoadOrImport(song.Uri);
}
}
}
