private void AddNewComputeX(Root root)
{
var cx = new ComputeX(root.Get <ComputeXRoot>(), true);
// the data root implements undo/redo functionality
ItemCreated.Record(root, cx);
ItemLinked.Record(root, root.Get <Relation_Store_ComputeX>(), TX, cx);
}
private QueryX CreateQueryX(GraphX gx, Store st)
{
var qxNew = new QueryX(this, QueryType.Graph, true);
ItemCreated.Record(Owner, qxNew);
ItemLinked.Record(Owner, _relation_GraphX_QueryX, gx, qxNew);
ItemLinked.Record(Owner, _relation_Store_QueryX, st, qxNew);
return(qxNew);
}
private void AddNewColumnX(Root root)
{
var cx = new ColumnX(root.Get <ColumnXRoot>(), true);
var sto = Item as Store;
// the data root implements undo/redo functionality
ItemCreated.Record(root, cx);
ItemLinked.Record(root, root.Get <Relation_Store_ColumnX>(), sto, cx);
}
private QueryX CreateQueryX(ComputeX cx, Store st)
{
var qxNew = new QueryX(this, QueryType.Value, true);
ItemCreated.Record(Owner, qxNew);
ItemLinked.Record(Owner, _relation_ComputeX_QueryX, cx, qxNew);
ItemLinked.Record(Owner, _relation_Store_QueryX, st, qxNew);
return(qxNew);
}
private QueryX CreateQueryX(ViewX vx, Store st)
{
var qxNew = new QueryX(this, QueryType.View, true);
ItemCreated.Record(Owner, qxNew);
ItemLinked.Record(Owner, _relation_ViewX_QueryX, vx, qxNew);
ItemLinked.Record(Owner, _relation_Store_QueryX, st, qxNew);
return(qxNew);
}
private void AddNewChildRelation(Root root)
{
var rx = new RelationX_RowX_RowX(root.Get <RelationXRoot>(), true);
// the data root implements undo/redo functionality
ItemCreated.Record(root, rx);
ItemLinked.Record(root, root.Get <Relation_StoreX_ChildRelation>(), TX, rx);
ChildDelta -= 2;
}
private QueryX CreateQueryX(ViewX vx, Relation re)
{
var qxNew = new QueryX(this, QueryType.View);
ItemCreated.Record(Owner, qxNew);
ItemLinked.Record(Owner, _relation_ViewX_QueryX, vx, qxNew);
ItemLinked.Record(Owner, _relation_Relation_QueryX, re, qxNew);
ClearParentTailFlags(qxNew);
return(qxNew);
}
internal void AddComputeXQueryX(ComputeX cx, QueryX qx1, Relation rx, bool isReversed)
{
qx1.IsTail = false;
var qx2 = new QueryX(this, QueryType.Value);
qx2.IsReversed = isReversed;
ItemCreated.Record(Owner, qx2);
ItemLinked.Record(Owner, _relation_QueryX_QueryX, qx1, qx2);
ItemLinked.Record(Owner, _relation_Relation_QueryX, rx, qx2);
}
private QueryX CreateQueryX(QueryX qx, Relation re, QueryType kind)
{
qx.IsTail = false;
var qxNew = new QueryX(this, kind);
ItemCreated.Record(Owner, qx);
ItemLinked.Record(Owner, _relation_QueryX_QueryX, qx, qxNew);
ItemLinked.Record(Owner, _relation_Relation_QueryX, re, qxNew);
ClearParentTailFlags(qxNew);
return(qxNew);
}
internal void AddNewComputeX(Model_666_ComputeList m)
{
var st = m.Item;
var cx = new ComputeX(_computeXManager, true);
var qx = new QueryX(_queryXManager, QueryType.Value, true, true);
// the data root implements undo/redo functionality
ItemCreated.Record(Owner, cx);
ItemCreated.Record(Owner, qx);
ItemLinked.Record(Owner, _relation_Store_QueryX, st, qx);
ItemLinked.Record(Owner, _relation_Store_ComputeX, st, cx);
ItemLinked.Record(Owner, _relation_ComputeX_QueryX, cx, qx);
}
internal override DropAction ModelDrop(Root root, ItemModel dropModel, bool doDrop)
{
if (dropModel.GetItem() is Property np)
{
if (doDrop)
{
ItemLinked.Record(root, _relation_Store_NameProperty, Item, np);
ChildDelta++;
AutoExpandLeft = true;
}
return(DropAction.Link);
}
return(DropAction.None);
}
internal override DropAction ModelDrop(Root root, LineModel dropModel, bool doDrop)
{
if (dropModel.Item is Property np)
{
if (doDrop)
{
ItemLinked.Record(root, root.Get <Relation_Store_SummaryProperty>(), TX, np);
ChildDelta++;
AutoExpandLeft = true;
}
return(DropAction.Link);
}
return(DropAction.None);
}
internal override DropAction ModelDrop(Root root, ItemModel dropModel, bool doDrop)
{
if (dropModel.GetItem() is RowX rx)
{
var(_, tail) = _relation_RowX_RowX.GetHeadTail();
if (tail == rx.Owner)
{
if (doDrop)
{
ItemLinked.Record(root, _relation_RowX_RowX, Item, rx);
}
return(DropAction.Link);
}
}
return(DropAction.None);
}
internal bool QueryRelationDrop(QueryX qx1, Relation r2, bool doDrop)
{
if (_relation_Relation_QueryX.TryGetParent(qx1, out Relation r1))
{
var(_, t1) = r1.GetHeadTail();
var(h2, t2) = r2.GetHeadTail();
if (t1 == h2 || t1 == t2)
{
if (doDrop)
{
qx1.IsTail = false;
var qx2 = new QueryX(this, QueryType.Value);
qx2.IsReversed = t1 == t2;
ItemCreated.Record(Owner, qx2);
ItemLinked.Record(Owner, _relation_QueryX_QueryX, qx1, qx2);
ItemLinked.Record(Owner, _relation_Relation_QueryX, r2, qx2);
}
return(true);
}
}
return(false);
}