public override void MouseClick(PointF location, Keys controlKeys)
{
GraphicBaseElement element = m_Editor.GetElementAt(location);
if (element == null)
{
if (m_FromElement != null)
{
//floating connection - create a new connection line
FloatingConnection(location);
m_LastMouseLocation = location;
}
return;
}
if (element is GraphicInputOutputElement == false && element is GraphicConnection == false)
{
return;
}
//user clicked a terminal of an element
GraphicInputOutputElement ioelem = element as GraphicInputOutputElement;
GraphicTerminal graphicTerminal = null;
if (ioelem != null)
{
graphicTerminal = ioelem.GetTerminalAt(location);
if (graphicTerminal == null || graphicTerminal.Equals(m_FromElement))
{
return;
}
if (m_FromElement == null)
{
m_FromElement = graphicTerminal;
m_LastMouseLocation = location;
return;
}
TryConnectToTerminal(graphicTerminal, location);
m_LastMouseLocation = location;
}
//user clicked a connection
GraphicConnection connection = element as GraphicConnection;
if (connection != null)
{
if (connection.Equals(m_FromElement))
{
return;
}
if (m_FromElement == null)
{
m_FromElement = connection;
m_LastMouseLocation = location;
return;
}
TryConnectToConnection(connection, location);
m_LastMouseLocation = location;
}
}