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;
}
}
public override void MouseClick(PointF location, Keys controlKeys)
{
GraphicBaseElement element = m_Editor.GetElementAt(location);
if (element == null)
{
return;
}
if (element is GraphicInputOutputElement == false && element is GraphicConnection == false)
{
return;
}
GraphicConnection graphicConnection = null;
//user clicked a terminal of an element
GraphicInputOutputElement ioelem = element as GraphicInputOutputElement;
if (ioelem != null)
{
GraphicTerminal graphicTerminal = ioelem.GetTerminalAt(location);
if (graphicTerminal != null)
{
Terminal terminal = (graphicTerminal.LinkedObject as Terminal);
if (terminal.IsConnected)
{
Connection connection = terminal.Connection;
graphicConnection = terminal.Connection.LinkedObject as GraphicConnection;
graphicConnection.RemoveChild(graphicTerminal.ConnectionNode.Lines[0]);
//terminal.Disconnect();
connection.DisconnectTerminal(terminal);
if (connection.Terminals.Count == 0)
{
m_Editor.RemoveElement(connection.LinkedObject as GraphicConnection);
}
m_Editor.UpdateDrawing();
m_Editor.RaiseChangedEvent();
m_Editor.Invalidate();
}
}
}
//user clicked a connection
graphicConnection = element as GraphicConnection;
if (graphicConnection != null)
{
foreach (GraphicBaseElement child in graphicConnection.Children)
{
graphicConnection.RemoveChild(child);
}
Connection connection = graphicConnection.LinkedObject as Connection;
foreach (Terminal terminal in connection.Terminals)
{
//terminal.Disconnect();
connection.DisconnectTerminal(terminal);
}
m_Editor.RemoveElement(graphicConnection);
}
}
public override void MouseMove(MouseButtons button, PointF location, Keys controlKeys)
{
if (m_Editor == null)
{
return;
}
GraphicBaseElement element = m_Editor.GetElementAt(location);
if (m_HighLightElement != null)
{
if (element == null ||
(element.Equals(m_ParentElement) == false && m_HighLightElement is GraphicTerminal) ||
(element.Equals(m_HighLightElement) == false && m_HighLightElement is GraphicConnection))
{
//Un-Hover the element
UnHighlightElement(m_HighLightElement);
return;
}
}
if (element is GraphicInputOutputElement)
{
GraphicInputOutputElement ioelem = element as GraphicInputOutputElement;
GraphicTerminal graphicTerminal = ioelem.GetTerminalAt(location);
if (graphicTerminal != null)
{
if ((graphicTerminal.LinkedObject as Terminal).IsConnected == false)
{
//Hover an element
m_ParentElement = element;
HighlightElement(graphicTerminal);
}
}
else if (m_HighLightElement != null)
{
//Un-Hover the element
UnHighlightElement(m_HighLightElement);
}
}
if (element is GraphicConnection)
{
if (m_HighLightElement == null)
{
//Hover an element
HighlightElement(element);
}
}
}
