/// <summary>
/// Handles dropping listviewitem for reordering
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void lvRight_Drop(object sender, DragEventArgs e)
{
if (CanDragReorder)
{
RecordEntitySetting droppedData = e.Data.GetData(typeof(RecordEntitySetting)) as RecordEntitySetting;
RecordEntitySetting target = ((ListBoxItem)sender).DataContext as RecordEntitySetting;
int sourcePos = SelectedList.IndexOf(droppedData);
int destPos = SelectedList.IndexOf(target);
if (sourcePos < destPos)
{
SelectedList.Insert(destPos + 1, droppedData);
SelectedList.RemoveAt(sourcePos);
}
else
{
sourcePos++;
if (SelectedList.Count + 1 > sourcePos)
{
SelectedList.Insert(destPos, droppedData);
SelectedList.RemoveAt(sourcePos);
}
}
lvRight.ItemsSource = SelectedList.ToList();
UpdateReorderButtons();
}
}
/// <summary>
/// Move selected item down
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnMoveDown_Click(object sender, RoutedEventArgs e)
{
var list = from RecordEntitySetting item in this.lvRight.SelectedItems
orderby SelectedList.IndexOf(item) descending
select new Tuple <RecordEntitySetting, int>(item, SelectedList.IndexOf(item));
foreach (var l in list)
{
SelectedList.Remove(l.Item1);
SelectedList.Insert(l.Item2 + 1, l.Item1);
}
UpdateReorderButtons();
UpdateListViews();
}
/// <summary>
/// Add visual indicator of drag n drop location
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ListViewItem_DragOver(object sender, DragEventArgs e)
{
if (CanDragReorder)
{
var lvi = sender as ListViewItem;
RecordEntitySetting droppedData = e.Data.GetData(typeof(RecordEntitySetting)) as RecordEntitySetting;
RecordEntitySetting target = ((ListBoxItem)sender).DataContext as RecordEntitySetting;
int sourcePos = SelectedList.IndexOf(droppedData);
int destPos = SelectedList.IndexOf(target);
lvi.BorderBrush = new SolidColorBrush(Colors.Black);
if (sourcePos > destPos)
{
lvi.BorderThickness = new Thickness(0, 1, 0, 0);
lvi.Padding = new Thickness(5, 1, 5, 2);
}
else if (sourcePos < destPos)
{
lvi.BorderThickness = new Thickness(0, 0, 0, 1);
lvi.Padding = new Thickness(5, 2, 5, 1);
}
}
}