private void OrderListBox_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
Point p = e.GetPosition(OrderListBox);
oldIndex = OrderListBox.GetIndexAtPosition(p);
if (oldIndex >= 0)
{
startPoint = p;
}
}
private void OrderListBox_DragEnterOrOver(object sender, DragEventArgs e)
{
int index = OrderListBox.GetIndexAtPosition(e.GetPosition(OrderListBox));
this.RemoveInsertionAdorner();
if (index >= 0)
{
var container = OrderListBox.ItemContainerGenerator.ContainerFromIndex(index) as FrameworkElement;
this.CreateInsertionAdorner(container, e.GetPosition(container).IsInFirstHalf(container, true));
}
else if (OrderListBox.HasItems)
{
var container = OrderListBox.ItemContainerGenerator.ContainerFromIndex(OrderListBox.Items.Count - 1) as FrameworkElement;
this.CreateInsertionAdorner(container, false);
}
//e.Effects = DragDropEffects.Move;
}
void OrderListBox_Drop(object sender, DragEventArgs e)
{
try
{
this.RemoveInsertionAdorner();
int index = OrderListBox.GetIndexAtPosition(e.GetPosition(OrderListBox));
FrameworkElement container;
bool isInFirstHalf = false;
if (index >= 0)
{
container = OrderListBox.ItemContainerGenerator.ContainerFromIndex(index) as FrameworkElement;
isInFirstHalf = e.GetPosition(container).IsInFirstHalf(container, true);
}
else
{
index = OrderListBox.HasItems ? OrderListBox.Items.Count - 1 : 0;
}
// Data comes from list itself
if (e.Data.GetData(typeof(MediaOrderItem)) != null)
{
if (oldIndex < 0 || index == oldIndex)
{
return;
}
if (index < oldIndex)
{
index++;
}
if (isInFirstHalf)
{
index--;
}
MediaOrderItem movedItem = orderList[oldIndex];
if (index < 0)
{
orderList.Move(new MediaOrderItem[] { movedItem }, orderList.Count - oldIndex - 1);
}
else
{
orderList.Move(new MediaOrderItem[] { movedItem }, index - oldIndex);
}
oldIndex = -1;
}
// Data comes from song list
else if (e.Data.GetData(SongDataObject.SongDataFormat) != null)
{
if (OrderListBox.HasItems)
{
index++;
}
if (isInFirstHalf)
{
index--;
}
SongData data = (SongData)e.Data.GetData(SongDataObject.SongDataFormat);
Media m = MediaManager.LoadMediaMetadata(data.Uri, null);
orderList.Insert(index, m);
}
// Data comes from explorer
else if (e.Data.GetData(DataFormats.FileDrop) != null)
{
if (OrderListBox.HasItems)
{
index++;
}
if (isInFirstHalf)
{
index--;
}
string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
IEnumerable <Media> result;
if (files.Length < 1)
{
return;
}
if (files.Length == 1)
{
if (MediaManager.TryLoadPortfolio(files[0], out result))
{
// TODO: maybe insert contents at drop position if the portfolio isn't empty?
Controller.OpenPortfolio(files[0]);
}
else
{
Media m = MediaManager.LoadMediaMetadata(new Uri(files[0]), null);
orderList.Insert(index, m);
}
}
else
{
foreach (var m in MediaManager.LoadMultipleMediaMetadata(files.Select(f => new Uri(f))))
{
orderList.Insert(index++, m);
}
}
}
else if (e.Data.GetData(typeof(String)) != null)
{
string data = (string)e.Data.GetData(typeof(String));
Uri u = null;
if (!Uri.TryCreate(data, UriKind.Absolute, out u))
{
Uri.TryCreate("http://" + data, UriKind.Absolute, out u);
}
if (u != null)
{
Media m = MediaManager.LoadMediaMetadata(u, null);
orderList.Insert(index, m);
}
}
}
catch (Exception ex)
{
Controller.ShowUnhandledException(ex, false);
}
}
