diff -r dae55dd9ee14 -r fc23e1f415d8 graphics/FBD_Objects.py
--- a/graphics/FBD_Objects.py	Mon Jul 09 11:10:14 2007 +0200
+++ b/graphics/FBD_Objects.py	Tue Jul 10 09:52:53 2007 +0200
@@ -40,7 +40,7 @@
 class FBD_Block(Graphic_Element):
     
     # Create a new block
-    def __init__(self, parent, type, name, id = None, extension = 0):
+    def __init__(self, parent, type, name, id = None, extension = 0, inputs = None):
         Graphic_Element.__init__(self, parent)
         self.Type = None
         self.Extension = None
@@ -48,7 +48,7 @@
         self.Id = id
         self.Inputs = []
         self.Outputs = []
-        self.SetType(type, extension)
+        self.SetType(type, extension, inputs)
     
     # Destructor
     def __del__(self):
@@ -129,6 +129,9 @@
                 return output
         return None
     
+    def GetInputTypes(self):
+        return tuple([input.GetType() for input in self.Inputs])
+    
     # Returns all the block connectors 
     def GetConnectors(self):
         return {"inputs" : self.Inputs, "outputs" : self.Outputs}
@@ -146,13 +149,13 @@
         return None
     
     # Changes the block type
-    def SetType(self, type, extension):
+    def SetType(self, type, extension, inputs = None):
         if type != self.Type or self.Extension != extension: 
             self.Type = type
             self.Extension = extension
             # Find the block definition from type given and create the corresponding
             # inputs and outputs
-            blocktype = GetBlockType(type)
+            blocktype = GetBlockType(type, inputs)
             if blocktype:
                 inputs = [input for input in blocktype["inputs"]]
                 outputs = [output for output in blocktype["outputs"]]
@@ -338,7 +341,7 @@
             self.Input.SetPosition(wxPoint(0, self.Size[1] / 2))
         if self.Output:
             self.Output.SetPosition(wxPoint(self.Size[0], self.Size[1] / 2))
-        self.RefreshConnected(self)
+        self.RefreshConnected()
     
     # Refresh the position of wires connected to connector
     def RefreshConnected(self, exclude = []):
@@ -495,7 +498,7 @@
     # Unconnect connector
     def Clean(self):
         if self.Connector:
-            self.Connector.UnConnect()
+            self.Connector.UnConnect(delete = True)
     
     # Delete this connection by calling the appropriate method
     def Delete(self):
@@ -517,7 +520,7 @@
             self.Connector.SetPosition(wxPoint(0, self.Size[1] / 2))
         else:
             self.Connector.SetPosition(wxPoint(self.Size[0], self.Size[1] / 2))
-        self.RefreshConnected(self)
+        self.RefreshConnected()
     
     # Refresh the position of wires connected to connector
     def RefreshConnected(self, exclude = []):
@@ -534,6 +537,18 @@
     def GetConnector(self, position = None, name = None):
         return self.Connector
     
+    # Changes the variable type
+    def SetType(self, type):
+        if type != self.Type:
+            self.Type = type
+            self.Clean()
+            # Create an input or output connector according to connection type
+            if self.Type == CONNECTOR:
+                self.Connector = Connector(self, "", "ANY", wxPoint(0, 0), WEST, onlyone = True)
+            else:
+                self.Connector = Connector(self, "", "ANY", wxPoint(0, 0), EAST)
+            self.RefreshConnectors()
+    
     # Returns the connection type
     def GetType(self):
         return self.Type
@@ -554,6 +569,11 @@
             text_height += 1
         return text_width + text_height + 20, text_height + 10
     
+    # Method called when a LeftDClick event have been generated
+    def OnLeftDClick(self, event, dc, scaling):
+        # Edit the connection properties
+        self.Parent.EditConnectionContent(self)
+    
     # Method called when a RightUp event have been generated
     def OnRightUp(self, event, dc, scaling):
         # Popup the default menu