Quintiq file version 2.0
#parent: ListEntityTreeInPanel
Response OnDrop (
  structured[Unit] information,
  StockingPoint_MP target
) id:Response_ListEntityTreeInPanel_OnDrop_30
{
  #keys: '[127710.1.1019131188]'
  Body:
  [*
    // Add as output stocking point for unit
    // #9446: Added CTRL modifier to link in reverse direction
    feedback := '';
    if( dropaction.IsLink()
        and not target.CanLinkToUnits( feedback, information, false ) ) //if shift+control is hold and can unlink
    {
      target.RemoveAsOutputFromUnits( information );
    }
    else //this intends to link (shift+control is not hold)
    {
      target.LinkToUnits( information, dropaction.IsControl() );
    }
  *]
  DefinitionID: 'Responsedef_GUIComponent_OnDrop'
  Precondition:
  [*
    ret_value := true;
    
    if( not dropaction.IsLink() ) //if shift+control not hold, means linking and need to check preconditions
    {
      ret_value := target.CanLinkToUnits( feedback, information, dropaction.IsControl() );
    }
    
    return ret_value;
  *]
}
