diff -r 5508af39d1f7 -r 34eff05909b0 Viewer.py
--- a/Viewer.py	Thu Sep 11 14:55:49 2008 +0200
+++ b/Viewer.py	Fri Sep 12 16:23:40 2008 +0200
@@ -781,12 +781,20 @@
                 storage = instance["storage"]
             else:
                 storage = "none"
-            if negated and storage == "none":
+            if instance["edge"]:
+                edge = instance["edge"]
+            else:
+                edge = "none"
+            if negated and storage == "none" and edge == "none":
                 coil_type = COIL_REVERSE
-            elif not negated and storage == "set":
+            elif not negated and edge == "none" and storage == "set":
                 coil_type = COIL_SET
-            elif not negated and storage == "reset":
+            elif not negated and edge == "none" and storage == "reset":
                 coil_type = COIL_RESET
+            elif not negated and storage == "none" and edge == "rising":
+                coil_type = COIL_RISING
+            elif not negated and storage == "none" and edge == "falling":
+                coil_type = COIL_FALLING
             else:
                 coil_type = COIL_NORMAL
             coil = LD_Coil(self, coil_type, instance["name"], instance["id"])
@@ -871,6 +879,7 @@
             self.CreateWires(connector, instance["connector"]["links"], ids)
         else:
             connectors = {"inputs" : [], "outputs" : []}
+            executionControl = False
             for input in instance["connectors"]["inputs"]:
                 if input["negated"]:
                     connectors["inputs"].append((input["name"], None, "negated"))
@@ -885,10 +894,16 @@
                     connectors["outputs"].append((output["name"], None, output["edge"]))
                 else:
                     connectors["outputs"].append((output["name"], None, "none"))
-            if instance["name"] != None:
-                block = FBD_Block(self, instance["type"], instance["name"], instance["id"], len(instance["connectors"]["inputs"]), connectors=connectors, executionOrder=instance["executionOrder"])
-            else:
-                block = FBD_Block(self, instance["type"], "", instance["id"], len(instance["connectors"]["inputs"]), connectors=connectors, executionOrder=instance["executionOrder"])
+            if connectors["inputs"][0][0] == "EN" and connectors["outputs"][0][0] == "ENO":
+                connectors["inputs"].pop(0)
+                connectors["outputs"].pop(0)
+                executionControl = True
+            if instance["name"] is None:
+                instance["name"] = ""
+            block = FBD_Block(self, instance["type"], instance["name"], 
+                    instance["id"], len(connectors["inputs"]), 
+                    connectors=connectors, executionControl=executionControl, 
+                    executionOrder=instance["executionOrder"])
             block.SetPosition(instance["x"], instance["y"])
             block.SetSize(instance["width"], instance["height"])
             self.AddBlock(block)
@@ -1563,10 +1578,11 @@
         if dialog.ShowModal() == wx.ID_OK:
             id = self.GetNewId()
             values = dialog.GetValues()
-            if "name" in values:
-                block = FBD_Block(self, values["type"], values["name"], id, values["extension"], values["inputs"])
-            else:
-                block = FBD_Block(self, values["type"], "", id, values["extension"], values["inputs"])
+            values.setdefault("name", "")
+            block = FBD_Block(self, values["type"], values["name"], id, 
+                    values["extension"], values["inputs"], 
+                    executionControl = values["executionControl"],
+                    executionOrder = values["executionOrder"])
             block.SetPosition(bbox.x, bbox.y)
             block.SetSize(*self.GetScaledSize(values["width"], values["height"]))
             self.AddBlock(block)
@@ -1861,8 +1877,12 @@
             variable_names.remove(block.GetName())
         dialog.SetPouElementNames(variable_names)
         dialog.SetMinBlockSize(block.GetSize())
-        old_values = {"name" : block.GetName(), "type" : block.GetType(), "inputs" : block.GetInputTypes(), 
-            "executionOrder" : block.GetExecutionOrder(), "extension" : block.GetExtension()}
+        old_values = {"name" : block.GetName(), 
+                      "type" : block.GetType(), 
+                      "extension" : block.GetExtension(), 
+                      "inputs" : block.GetInputTypes(), 
+                      "executionControl" : block.GetExecutionControl(), 
+                      "executionOrder" : block.GetExecutionOrder()}
         dialog.SetValues(old_values)
         if dialog.ShowModal() == wx.ID_OK:
             new_values = dialog.GetValues()
@@ -1872,18 +1892,19 @@
             else:
                 block.SetName("")
             block.SetSize(*self.GetScaledSize(new_values["width"], new_values["height"]))
-            block.SetType(new_values["type"], new_values["extension"])
+            block.SetType(new_values["type"], new_values["extension"], executionControl = new_values["executionControl"])
             block.SetExecutionOrder(new_values["executionOrder"])
             rect = rect.Union(block.GetRedrawRect())
             self.RefreshBlockModel(block)
-            if old_values["executionOrder"] != new_values["executionOrder"]:
-                self.RefreshView()
             self.RefreshBuffer()
             self.RefreshScrollBars()
             self.RefreshVisibleElements()
             self.ParentWindow.RefreshVariablePanel(self.TagName)
             self.ParentWindow.RefreshInstancesTree()
-            block.Refresh(rect)
+            if old_values["executionOrder"] != new_values["executionOrder"]:
+                self.RefreshView()
+            else:
+                block.Refresh(rect)
         dialog.Destroy()
 
     def EditVariableContent(self, variable):