private void dragDropManager_Drop(object sender, TreeListDropEventArgs e)
{
if (e.DraggedRows.Count != 1)
throw new Exception("Multi row mode enabled. Turn it off");
var row = e.DraggedRows[0] as TreeListNode;
if (row == null) throw new Exception("Unexpected error");
var model = DataContext as SourcesManagerMainViewModel;
if (model == null) throw new Exception("Data context is null");
var result = model.MoveNote(row.Content as MaterialDto,
e.TargetNode != null ? e.TargetNode.Content as MaterialDto : null);
if (!result)
{
e.Manager.AllowDrop = false;
e.DelayedExecute(() => e.Manager.AllowDrop = true);
e.Handled = true;
}
}
void RaiseDroppedEvent(DragDropManagerBase sourceManager, TreeListDropEventArgs dropEventArgs) {
if(DroppedEventHandler != null) {
TreeListDroppedEventArgs e = new TreeListDroppedEventArgs() {
DataControl = DataControl as GridDataControlBase,
TargetNode = dropEventArgs.TargetNode,
HitInfo = dropEventArgs.HitInfo,
Manager = this,
DraggedRows = dropEventArgs.DraggedRows,
SourceManager = sourceManager,
DropTargetType = dropEventArgs.DropTargetType,
};
DroppedEventHandler(this, e);
}
}
TreeListDropEventArgs RaiseDropEvent(DragDropManagerBase sourceManager, TreeListViewHitInfo hitInfo, TreeListNode insertNode, IList rows, DropTargetType dropTargetType) {
TreeListDropEventArgs e = new TreeListDropEventArgs() {
HitInfo = hitInfo,
TargetNode = insertNode,
DraggedRows = rows,
DropTargetType = dropTargetType,
Handled = false,
Manager = this,
SourceManager = sourceManager,
DataControl = DataControl as GridDataControlBase,
};
if(DropEventHandler != null)
DropEventHandler(this, e);
return e;
}