private void OnElementConnected(ElementConnectEventArgs e)
{
if (ElementConnected != null)
{
ElementConnected(this, e);
}
}
private void OnElementConnecting(ElementConnectEventArgs e)
{
if (ElementConnecting != null)
{
ElementConnecting(this, e);
}
}
protected virtual void OnElementConnected(ElementConnectEventArgs e)
{
if (ElementConnected != null)
{
ElementConnected(this, e);
}
}
public bool OnElementConnected(Designer designer, ElementConnectEventArgs e)
{
if (e.Link.Connector1.IsStart == e.Link.Connector2.IsStart)
{
designer.Document.DeleteLink(e.Link, false);
return(false);
}
if (e.Link.Connector1.IsStart)
{
var con1 = e.Link.Connector1;
e.Link.Connector1 = e.Link.Connector2;
e.Link.Connector2 = con1;
e.Link.Invalidate();
}
for (var i = designer.Document.Elements.Count - 1; i >= 0; i--)
{
if (e.Link == designer.Document.Elements[i] || !(designer.Document.Elements[i] is BaseLinkElement))
{
continue;
}
var link = (BaseLinkElement)designer.Document.Elements[i];
if (link.Connector2 == e.Link.Connector2)
{
designer.Document.DeleteLink(link, false);
}
}
return(true);
}
private void DesignerElementConnected(object sender, ElementConnectEventArgs e)
{
DocumentModel.Touch();
var node1 = (BlockNodeBase)e.Link.Connector1.State;
var node2 = (BlockNodeBase)e.Link.Connector2.State;
node1.ConnectTo(ref node2);
try
{
node1.Root.Execute();
Designer.Document.SelectElement(e.Link.Connector2);
}
catch (StackOverflowException)
{
MessageBox.Show(DesignerResources.ModelThrewStackOverflow);
}
}
private void EndAddLink()
{
if (_connEnd != _linkLine.Connector2)
{
_linkLine.Connector1.RemoveLink(_linkLine);
_linkLine = _document.AddLink(_linkLine.Connector1, _linkLine.Connector2);
var eventArgs = new ElementConnectEventArgs(_linkLine.Connector1.ParentElement, _linkLine.Connector2.ParentElement, _linkLine);
var accepted = true;
if (_linkLine.Connector1.ParentElement is DiagramBlock)
{
accepted = (_linkLine.Connector1.ParentElement as DiagramBlock).OnElementConnected(this, eventArgs);
}
if (accepted)
{
OnElementConnected(eventArgs);
}
}
_connStart = null;
_connEnd = null;
_linkLine = null;
}