private void JoinLink_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
JoinOp join = new JoinOp();
if (join.ShowDialog(this) != DialogResult.OK)
{
return;
}
CreateUser user = null;
// private or secret network
if (join.OpLink.Contains("/invite/"))
{
user = ReadInvite(join.OpLink);
}
// public network
else
{
user = new CreateUser(App, join.OpLink, join.OpAccess);
}
// show create user dialog
if (user != null && user.ShowDialog(this) == DialogResult.OK)
{
Close();
}
}
public JoinOpNode(RelNode leftarg, JoinOp joinop, RelNode rightarg)
{
_joinop = joinop;
_leftarg = leftarg;
_rightarg = rightarg;
var join = _leftarg.Heading.Intersect(_rightarg.Heading);
var left = _leftarg.Heading.Minus(join);
var right = _rightarg.Heading.Minus(join);
Heading = (joinop == JoinOp.Full) ? _leftarg.Heading.Union(right)
: (joinop == JoinOp.Compose) ? left.Union(right)
: _leftarg.Heading;
_jmapleft = join.CreateMap(_leftarg.Heading);
_jmapright = join.CreateMap(_rightarg.Heading);
_tmapleft = Heading.CreateMap(_leftarg.Heading);
_tmapright = Heading.CreateMap(_rightarg.Heading);
}
