internal override DropAction ModelDrop(Root root, LineModel dropModel, bool doDrop)
{
if (dropModel.Item is TableX tx)
{
if (doDrop)
{
ItemLinked.Record(root, root.Get <Relation_StoreX_ChildRelation>(), tx, RX);
}
return(DropAction.Link);
}
return(DropAction.None);
}
internal bool LinkArrow(LinkingArrow arrow, MapItem destinationItem,
bool manual)
{
bool cancelled = false;
ItemLinking?.Invoke(arrow.SourceItem, destinationItem, out cancelled);
if (!cancelled)
{
arrow.Link(destinationItem);
destinationItem.LinkingArrows.Add(arrow);
arrow.SourceItem.RightLinkPoint.Selected =
destinationItem.LeftLinkPoint.Selected = true;
if (CurrentLinkingArrow == arrow)
{
CurrentLinkingArrow = null;
}
ItemLinked?.Invoke(arrow.SourceItem, destinationItem, manual);
}
return(!cancelled);
}