internal void DetachLine(ConnectionLine line)
{
if (m_Lines.Contains(line))
{
m_Lines.Remove(line);
}
}
internal void AttachLine(ConnectionLine line)
{
if (m_Lines.Contains(line))
{
return;
}
m_Lines.Add(line);
}
/// <summary>
/// Merges all connected Terminals of the given connection to this one
/// </summary>
/// <param name="graphicConnection">connection to derive connection items from</param>
internal void Merge(GraphicConnection graphicConnection)
{
Connection otherConnection = graphicConnection.LinkedObject as Connection;
Connection connection = LinkedObject as Connection;
foreach (Terminal terminal in otherConnection.Terminals)
{
otherConnection.DisconnectTerminal(terminal);
connection.ConnectTerminal(terminal);
}
//clone all nodes of the other connection
foreach (GraphicBaseElement child in graphicConnection.Children)
{
if (child is ConnectionNode)
{
ConnectionNode clone = new ConnectionNode(child.Location);
AddChild(clone);
}
}
//clone all lines of the other connection attached to the previously cloned nodes
foreach (GraphicBaseElement child in graphicConnection.Children)
{
if (child is ConnectionLine)
{
ConnectionLine orig = child as ConnectionLine;
ConnectionNode node1, node2;
//select cloned nodes or terminal nodes
if (orig.Nodes[0].Parent is GraphicConnection)
{
node1 = GetItemAt(orig.Nodes[0].Location, typeof(ConnectionNode)) as ConnectionNode;
}
else
{
node1 = orig.Nodes[0];
}
if (orig.Nodes[1].Parent is GraphicConnection)
{
node2 = GetItemAt(orig.Nodes[1].Location, typeof(ConnectionNode)) as ConnectionNode;
}
else
{
node2 = orig.Nodes[1];
}
if (node1 != null && node2 != null)
{
graphicConnection.RemoveChild(child);
ConnectionLine clone = new ConnectionLine(node1, node2);
AddChild(clone);
}
}
}
foreach (GraphicBaseElement child in graphicConnection.Children)
{
graphicConnection.RemoveChild(child);
}
BuildBody();
}
internal override void RemoveChild(GraphicBaseElement child)
{
base.RemoveChild(child);
if (child is ConnectionLine)
{
ConnectionLine line = child as ConnectionLine;
line.DetachNodes();
}
}
