private void ViewerOnEdgeAdded(object sender, EventArgs eventArgs)
{
var edge = (Edge)sender;
var form = new Form();
var tableLayout = new TableLayoutPanel {
Dock = DockStyle.Fill
};
form.Controls.Add(tableLayout);
// TODO: GetEdgeTypes or something
foreach (var type in graph.GetNodeTypes())
{
if (type.InstanceMetatype != Repo.Metatype.Edge || type.IsAbstract)
{
continue;
}
var edgeType = type as Repo.IEdge;
tableLayout.RowStyles.Add(new RowStyle(SizeType.Percent, 25));
// TODO: We definitely need names for non-abstract edges. Maybe as attribute?
var associationButton = new Button {
Text = "Link", Dock = DockStyle.Fill
};
associationButton.Click += (o, args) =>
{
graph.CreateNewEdge(edgeType, edge);
viewer.Graph.AddPrecalculatedEdge(edge);
viewer.SetEdgeLabel(edge, edge.Label);
var ep = new EdgeLabelPlacement(viewer.Graph.GeometryGraph);
ep.Run();
viewer.Invalidate();
form.DialogResult = DialogResult.OK;
};
associationButton.Font = new Font(associationButton.Font.FontFamily, fontSize);
tableLayout.Controls.Add(associationButton, 0, tableLayout.RowCount - 1);
++tableLayout.RowCount;
}
var result = form.ShowDialog();
if (result == DialogResult.Cancel)
{
viewer.Undo();
viewer.Invalidate();
}
}