public ICommand Create(OLVDataObject o)
{
if (o == null || o.ModelObjects == null)
{
return(null);
}
//does the data object already contain a command?
if (o.ModelObjects.OfType <ICommand>().Count() == 1)
{
return(o.ModelObjects.OfType <ICommand>().Single());//yes
}
//otherwise is it something that can be turned into a command?
if (o.ModelObjects.Count == 0)
{
return(null);
}
//try to create command from the single data object
if (o.ModelObjects.Count == 1)
{
return(Create(o.ModelObjects[0]));
}
//try to create command from all the data objects as an array
return(Create(o.ModelObjects.Cast <object>().ToArray()));
}
/// <summary>
/// The drag operation is finished. Refreshes the dragged rows if so configured.
/// </summary>
/// <param name="dragObject"></param>
/// <param name="effect"></param>
public virtual void EndDrag(object dragObject, DragDropEffects effect)
{
OLVDataObject data = dragObject as OLVDataObject;
if (data == null)
{
return;
}
if (this.RefreshAfterDrop)
{
data.ListView.RefreshObjects(data.ModelObjects);
}
}
private void ObjectListView1Dropped(object sender, OlvDropEventArgs e)
{
OLVDataObject o = e.DataObject as OLVDataObject;
if (o != null)
{
List <TableBlock> blocks = new List <TableBlock>();
foreach (TableBlock block in o.ModelObjects)
{
blocks.Add(block);
}
this.MoveBlocks(blocks, e.DropTargetIndex);
}
}
private AdvertisedPipelineComponentTypeUnderContext GetAdvertisedObjectFromDragOperation(DragEventArgs e)
{
OLVDataObject dataObject = e.Data as OLVDataObject;
if (dataObject != null)
{
if (dataObject.ModelObjects.Count == 1 &&
dataObject.ModelObjects[0] is AdvertisedPipelineComponentTypeUnderContext)
{
return((AdvertisedPipelineComponentTypeUnderContext)dataObject.ModelObjects[0]);
}
return(null);
}
return(null);
}
