Viewer.py
changeset 0 b622defdfd98
child 2 93bc4c2cf376
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Viewer.py	Wed Jan 31 16:31:39 2007 +0100
@@ -0,0 +1,1541 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
+#based on the plcopen standard. 
+#
+#Copyright (C): Edouard TISSERANT and Laurent BESSARD
+#
+#See COPYING file for copyrights details.
+#
+#This library is free software; you can redistribute it and/or
+#modify it under the terms of the GNU Lesser General Public
+#License as published by the Free Software Foundation; either
+#version 2.1 of the License, or (at your option) any later version.
+#
+#This library is distributed in the hope that it will be useful,
+#but WITHOUT ANY WARRANTY; without even the implied warranty of
+#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#Lesser General Public License for more details.
+#
+#You should have received a copy of the GNU Lesser General Public
+#License along with this library; if not, write to the Free Software
+#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+from wxPython.wx import *
+from wxPython.stc import * 
+from wxPython.grid import *
+import wx
+
+from plcopen.structures import *
+from graphics.GraphicCommons import *
+from graphics.SFC_Objects import *
+from graphics.FBD_Objects import *
+from graphics.LD_Objects import *
+
+import re
+
+#-------------------------------------------------------------------------------
+#                       Graphic elements Viewer base class
+#-------------------------------------------------------------------------------
+
+# ID Constants for menu items
+[wxID_FBDVIEWERCONTEXTUALMENUITEMS0, wxID_FBDVIEWERCONTEXTUALMENUITEMS1,
+ wxID_FBDVIEWERCONTEXTUALMENUITEMS2, wxID_FBDVIEWERCONTEXTUALMENUITEMS3,
+ wxID_FBDVIEWERCONTEXTUALMENUITEMS5, wxID_FBDVIEWERCONTEXTUALMENUITEMS6,
+ wxID_FBDVIEWERCONTEXTUALMENUITEMS8, wxID_FBDVIEWERCONTEXTUALMENUITEMS9,
+ wxID_FBDVIEWERCONTEXTUALMENUITEMS11,
+] = [wx.NewId() for _init_coll_ContextualMenu_Items in range(9)]
+
+
+"""
+Class that implements a Viewer based on a wxScrolledWindow for drawing and 
+manipulating graphic elements
+"""
+
+class Viewer(wx.ScrolledWindow):
+    
+    # Create Contextual Menu items
+    def _init_coll_ContextualMenu_Items(self, parent):
+        # Create menu items
+        parent.Append(help='', id=wxID_FBDVIEWERCONTEXTUALMENUITEMS0,
+              kind=wx.ITEM_RADIO, text=u'No Modifier')
+        parent.Append(help='', id=wxID_FBDVIEWERCONTEXTUALMENUITEMS1,
+              kind=wx.ITEM_RADIO, text=u'Negated')
+        parent.Append(help='', id=wxID_FBDVIEWERCONTEXTUALMENUITEMS2,
+              kind=wx.ITEM_RADIO, text=u'Rising Edge')
+        parent.Append(help='', id=wxID_FBDVIEWERCONTEXTUALMENUITEMS3,
+              kind=wx.ITEM_RADIO, text=u'Falling Edge')
+        parent.AppendSeparator()
+        parent.Append(help='', id=wxID_FBDVIEWERCONTEXTUALMENUITEMS5,
+              kind=wx.ITEM_NORMAL, text=u'Add Wire Segment')
+        parent.Append(help='', id=wxID_FBDVIEWERCONTEXTUALMENUITEMS6,
+              kind=wx.ITEM_NORMAL, text=u'Delete Wire Segment')
+        parent.AppendSeparator()
+        parent.Append(help='', id=wxID_FBDVIEWERCONTEXTUALMENUITEMS8,
+              kind=wx.ITEM_NORMAL, text=u'Add Divergence Branch')
+        parent.Append(help='', id=wxID_FBDVIEWERCONTEXTUALMENUITEMS9,
+              kind=wx.ITEM_NORMAL, text=u'Delete Divergence Branch')
+        parent.AppendSeparator()
+        parent.Append(help='', id=wxID_FBDVIEWERCONTEXTUALMENUITEMS11,
+              kind=wx.ITEM_NORMAL, text=u'Delete')
+        # Link menu event to corresponding called functions
+        self.Bind(wx.EVT_MENU, self.OnNoModifierMenu,
+              id=wxID_FBDVIEWERCONTEXTUALMENUITEMS0)
+        self.Bind(wx.EVT_MENU, self.OnNegatedMenu,
+              id=wxID_FBDVIEWERCONTEXTUALMENUITEMS1)
+        self.Bind(wx.EVT_MENU, self.OnRisingEdgeMenu,
+              id=wxID_FBDVIEWERCONTEXTUALMENUITEMS2)
+        self.Bind(wx.EVT_MENU, self.OnFallingEdgeMenu,
+              id=wxID_FBDVIEWERCONTEXTUALMENUITEMS3)
+        self.Bind(wx.EVT_MENU, self.OnAddSegmentMenu,
+              id=wxID_FBDVIEWERCONTEXTUALMENUITEMS5)
+        self.Bind(wx.EVT_MENU, self.OnDeleteSegmentMenu,
+              id=wxID_FBDVIEWERCONTEXTUALMENUITEMS6)
+        self.Bind(wx.EVT_MENU, self.OnAddBranchMenu,
+              id=wxID_FBDVIEWERCONTEXTUALMENUITEMS8)
+        self.Bind(wx.EVT_MENU, self.OnDeleteBranchMenu,
+              id=wxID_FBDVIEWERCONTEXTUALMENUITEMS9)
+        self.Bind(wx.EVT_MENU, self.OnDeleteMenu,
+              id=wxID_FBDVIEWERCONTEXTUALMENUITEMS11)
+    
+    # Create and initialize Contextual Menu
+    def _init_menus(self):
+        self.ContextualMenu = wx.Menu(title='')
+        
+        self._init_coll_ContextualMenu_Items(self.ContextualMenu)
+    
+    # Create a new Viewer
+    def __init__(self, parent, window, controler):
+        wx.ScrolledWindow.__init__(self, parent, style=wx.SUNKEN_BORDER)
+        self._init_menus()
+        # Adding a rubberband to Viewer
+        self.rubberBand = RubberBand(drawingSurface=self)
+        self.SetBackgroundColour(wxColour(255,255,255))
+        self.ResetView()
+        self.Scaling = None
+        #self.Scaling = (8, 8)
+        self.DrawGrid = True
+        self.current_id = 0    
+        
+        # Initialize Viewer mode to Selection mode
+        self.Mode = MODE_SELECTION
+        
+        self.Parent = window
+        self.Controler = controler
+        
+        # Link Viewer event to corresponding methods
+        EVT_PAINT(self, self.OnPaint)
+        EVT_LEFT_DOWN(self, self.OnViewerLeftDown)
+        EVT_LEFT_UP(self, self.OnViewerLeftUp)
+        EVT_LEFT_DCLICK(self, self.OnViewerLeftDClick)
+        EVT_RIGHT_UP(self, self.OnViewerRightUp)
+        EVT_MOTION(self, self.OnViewerMotion)
+        EVT_CHAR(self, self.OnChar)
+    
+    # Returns a new id
+    def GetNewId(self):
+        self.current_id += 1
+        return self.current_id
+    
+    # Destructor
+    def __del__(self):
+        self.ResetView()
+
+#-------------------------------------------------------------------------------
+#                              Reset functions
+#-------------------------------------------------------------------------------
+
+    # Resets Viewer lists
+    def ResetView(self):
+        self.Blocks = []
+        self.Wires = []
+        self.Elements = []
+        self.SelectedElement = None
+    
+    # Changes Viewer mode
+    def SetMode(self, mode):
+        self.Mode = mode
+        # Reset selection
+        if self.SelectedElement:
+            self.SelectedElement.SetSelected(False)
+            self.SelectedElement = None
+            self.Refresh()
+
+#-------------------------------------------------------------------------------
+#                          Refresh functions
+#-------------------------------------------------------------------------------
+
+    # Refresh Viewer elements
+    def RefreshView(self):
+        self.current_id = 0
+        # Start by reseting Viewer
+        self.ResetView()
+        instance = True
+        # List of ids of already loaded blocks
+        ids = []
+        # Load Blocks until they are all loaded
+        while instance:
+            instance = self.Controler.GetCurrentElementEditingInstanceInfos(exclude=ids)
+            if instance:
+                self.loadInstance(instance, ids)
+        self.Refresh()
+    
+    # Load instance from given informations
+    def loadInstance(self, instance, ids):
+        ids.append(instance["id"])
+        self.current_id = max(self.current_id, instance["id"]) 
+        if instance["type"] == "input":
+            variable = FBD_Variable(self, INPUT, instance["name"], instance["value_type"], instance["id"])
+            variable.SetPosition(instance["x"], instance["y"])
+            variable.SetSize(instance["width"], instance["height"])
+            self.Blocks.append(variable)
+            self.Elements.append(variable)
+            connectors = variable.GetConnectors()
+            connectors["output"].SetPosition(wxPoint(*instance["connector"]["position"]))
+            if instance["connector"]["negated"]:
+                connectors["output"].SetNegated(True)
+            if instance["connector"]["edge"]:
+                connectors["output"].SetEdge(instance["connector"]["edge"])
+        elif instance["type"] == "output":
+            variable = FBD_Variable(self, OUTPUT, instance["name"], instance["value_type"], instance["id"])
+            variable.SetPosition(instance["x"], instance["y"])
+            variable.SetSize(instance["width"], instance["height"])
+            self.Blocks.append(variable)
+            self.Elements.append(variable)
+            connectors = variable.GetConnectors()
+            connectors["input"].SetPosition(wxPoint(*instance["connector"]["position"]))
+            if instance["connector"]["negated"]:
+                connectors["input"].SetNegated(True)
+            if instance["connector"]["edge"]:
+                connectors["input"].SetEdge(instance["connector"]["edge"])
+            self.CreateWires(connectors["input"], instance["connector"]["links"], ids)
+        elif instance["type"] == "inout":
+            variable = FBD_Variable(self, INOUT, instance["name"], instance["value_type"], instance["id"])
+            variable.SetPosition(instance["x"], instance["y"])
+            variable.SetSize(instance["width"], instance["height"])
+            self.Blocks.append(variable)
+            self.Elements.append(variable)
+            connectors = variable.GetConnectors()
+            connectors["output"].SetPosition(wxPoint(*instance["connectors"]["output"]["position"]))
+            connectors["input"].SetPosition(wxPoint(*instance["connectors"]["input"]["position"]))
+            if instance["connectors"]["output"]["negated"]:
+                connectors["output"].SetNegated(True)
+            if instance["connectors"]["output"]["edge"]:
+                connectors["output"].SetEdge(instance["connectors"]["output"]["edge"])
+            if instance["connectors"]["input"]["negated"]:
+                connectors["input"].SetNegated(True)
+            if instance["connectors"]["input"]["edge"]:
+                connectors["input"].SetEdge(instance["connectors"]["input"]["edge"])
+            self.CreateWires(connectors["input"], instance["connectors"]["input"]["links"], ids)
+        elif instance["type"] == "continuation":
+            connection = FBD_Connector(self, CONTINUATION, instance["name"], instance["id"])
+            connection.SetPosition(instance["x"], instance["y"])
+            connection.SetSize(instance["width"], instance["height"])
+            self.Blocks.append(connection)
+            self.Elements.append(connection)
+            connector = connection.GetConnector()
+            connector.SetPosition(wxPoint(*instance["connector"]["position"]))
+        elif instance["type"] == "connection":
+            connection = FBD_Connection(self, CONNECTOR, instance["name"], instance["id"])
+            connection.SetPosition(instance["x"], instance["y"])
+            connection.SetSize(instance["width"], instance["height"])
+            self.Blocks.append(connection)
+            self.Elements.append(connection)
+            connector = connection.GetConnector()
+            connector.SetPosition(wxPoint(*instance["connector"]["position"]))
+            self.CreateWires(connector, instance["connector"]["links"], ids)
+        elif instance["type"] == "comment":
+            comment = Comment(self, instance["content"], instance["id"])
+            comment.SetPosition(instance["x"], instance["y"])
+            comment.SetSize(instance["width"], instance["height"])
+            self.Elements.append(comment)
+        elif instance["type"] == "leftPowerRail":
+            leftpowerrail = LD_PowerRail(self, LEFTRAIL, instance["id"], [True for i in range(len(instance["connectors"]))])
+            leftpowerrail.SetPosition(instance["x"], instance["y"])
+            self.Blocks.append(leftpowerrail)
+            self.Elements.append(leftpowerrail)
+            connectors = leftpowerrail.GetConnectors()
+            for i, connector in enumerate(instance["connectors"]):
+                connectors[i].SetPosition(wxPoint(*connector["position"]))
+        elif instance["type"] == "rightPowerRail":
+            rightpowerrail = LD_PowerRail(self, RIGHTRAIL, instance["id"], [True for i in range(len(instance["connectors"]))])
+            rightpowerrail.SetPosition(instance["x"], instance["y"])
+            self.Blocks.append(rightpowerrail)
+            self.Elements.append(rightpowerrail)
+            connectors = rightpowerrail.GetConnectors()
+            for i, connector in enumerate(instance["connectors"]):
+                connectors[i].SetPosition(wxPoint(*connector["position"]))
+                self.CreateWires(connectors[i], connector["links"], ids)
+        elif instance["type"] == "contact":
+            if instance["negated"]:
+                negated = instance["negated"]
+            else:
+                negated = False
+            if instance["edge"]:
+                edge = instance["edge"]
+            else:
+                edge = "none"
+            if negated and edge == "none":
+                contact_type = CONTACT_REVERSE
+            elif not negated and edge == "rising":
+                contact_type = CONTACT_RISING
+            elif not negated and edge == "falling":
+                contact_type = CONTACT_FALLING
+            else:
+                contact_type = CONTACT_NORMAL
+            contact = LD_Contact(self, contact_type, instance["name"], instance["id"])
+            contact.SetPosition(instance["x"], instance["y"])
+            self.Blocks.append(contact)
+            self.Elements.append(contact)
+            connectors = contact.GetConnectors()
+            connectors["input"].SetPosition(wxPoint(*instance["connectors"]["input"]["position"]))
+            self.CreateWires(connectors["input"], instance["connectors"]["input"]["links"], ids)
+            connectors["output"].SetPosition(wxPoint(*instance["connectors"]["output"]["position"]))
+        elif instance["type"] == "coil":
+            if instance["negated"]:
+                negated = instance["negated"]
+            else:
+                negated = False
+            if instance["storage"]:
+                storage = instance["storage"]
+            else:
+                storage = "none"
+            if negated and storage == "none":
+                coil_type = COIL_REVERSE
+            elif not negated and storage == "set":
+                coil_type = COIL_SET
+            elif not negated and storage == "reset":
+                coil_type = COIL_RESET
+            else:
+                coil_type = COIL_NORMAL
+            coil = LD_Coil(self, coil_type, instance["name"], instance["id"])
+            coil.SetPosition(instance["x"], instance["y"])
+            self.Blocks.append(coil)
+            self.Elements.append(coil)
+            connectors = coil.GetConnectors()
+            connectors["input"].SetPosition(wxPoint(*instance["connectors"]["input"]["position"]))
+            self.CreateWires(connectors["input"], instance["connectors"]["input"]["links"], ids)
+            connectors["output"].SetPosition(wxPoint(*instance["connectors"]["output"]["position"]))
+        elif instance["type"] == "step":
+            if instance["initial"]:
+                initial = instance["initial"]
+            else:
+                initial = False
+            step = SFC_Step(self, instance["name"], initial, instance["id"])
+            step.SetPosition(instance["x"], instance["y"])
+            step.SetSize(instance["width"], instance["height"])
+            self.Blocks.append(step)
+            self.Elements.append(step)
+            if "output" in instance["connectors"]:
+                step.AddOutput()
+            if "action" in instance["connectors"]:
+                step.AddAction()
+            connectors = step.GetConnectors()
+            if connectors["input"]:
+                connectors["input"].SetPosition(wxPoint(*instance["connectors"]["input"]["position"]))
+                self.CreateWires(connectors["input"], instance["connectors"]["input"]["links"], ids)
+            if connectors["output"]:
+                connectors["output"].SetPosition(wxPoint(*instance["connectors"]["output"]["position"]))
+            if connectors["action"]:
+                connectors["action"].SetPosition(wxPoint(*instance["connectors"]["action"]["position"]))
+        elif instance["type"] == "transition":
+            transition = SFC_Transition(self, instance["condition_type"], instance["condition"], instance["id"])
+            transition.SetPosition(instance["x"], instance["y"])
+            self.Blocks.append(transition)
+            self.Elements.append(transition)
+            connectors = transition.GetConnectors()
+            connectors["input"].SetPosition(wxPoint(*instance["connectors"]["input"]["position"]))
+            self.CreateWires(connectors["input"], instance["connectors"]["input"]["links"], ids)
+            connectors["output"].SetPosition(wxPoint(*instance["connectors"]["output"]["position"]))
+        elif instance["type"] in ["selectionDivergence", "selectionConvergence", "simultaneousDivergence", "simultaneousConvergence"]:
+            if instance["type"] == "selectionDivergence":
+                divergence = SFC_Divergence(self, SELECTION_DIVERGENCE, 
+                    len(instance["connectors"]["outputs"]), instance["id"])
+            elif instance["type"] == "selectionConvergence":
+                divergence = SFC_Divergence(self, SELECTION_CONVERGENCE, 
+                    len(instance["connectors"]["inputs"]), instance["id"])
+            elif instance["type"] == "simultaneousDivergence":
+                divergence = SFC_Divergence(self, SIMULTANEOUS_DIVERGENCE, 
+                    len(instance["connectors"]["outputs"]), instance["id"])
+            else:
+                divergence = SFC_Divergence(self, SIMULTANEOUS_CONVERGENCE, 
+                    len(instance["connectors"]["inputs"]), instance["id"])
+            divergence.SetPosition(instance["x"], instance["y"])
+            divergence.SetSize(instance["width"], instance["height"])
+            self.Blocks.append(divergence)
+            self.Elements.append(divergence)
+            connectors = divergence.GetConnectors()
+            for i, input_connector in enumerate(instance["connectors"]["inputs"]):
+                connector = connectors["inputs"][i]
+                connector.SetPosition(wxPoint(*input_connector["position"]))
+                self.CreateWires(connector, input_connector["links"], ids)
+            for i, output_connector in enumerate(instance["connectors"]["outputs"]):
+                connector = connectors["outputs"][i]
+                connector.SetPosition(wxPoint(*output_connector["position"]))
+        elif instance["type"] == "jump":
+            jump = SFC_Jump(self, instance["target"], instance["id"])
+            jump.SetPosition(instance["x"], instance["y"])
+            self.Blocks.append(jump)
+            self.Elements.append(jump)
+            connector = jump.GetConnector()
+            connector.SetPosition(wxPoint(*instance["connector"]["position"]))
+            self.CreateWires(connector, instance["connector"]["links"], ids)
+        elif instance["type"] == "actionBlock":
+            actionBlock = SFC_ActionBlock(self, instance["actions"], instance["id"])
+            actionBlock.SetPosition(instance["x"], instance["y"])
+            actionBlock.SetSize(instance["width"], instance["height"])
+            self.Blocks.append(actionBlock)
+            self.Elements.append(actionBlock)
+            connector = actionBlock.GetConnector()
+            connector.SetPosition(wxPoint(*instance["connector"]["position"]))
+            self.CreateWires(connector, instance["connector"]["links"], ids)
+        else:
+            if instance["name"] != None:
+                block = FBD_Block(self, instance["type"], instance["name"], instance["id"], len(instance["connectors"]["inputs"]))
+            else:
+                block = FBD_Block(self, instance["type"], "", instance["id"], len(instance["connectors"]["inputs"]))
+            block.SetPosition(instance["x"], instance["y"])
+            block.SetSize(instance["width"], instance["height"])
+            self.Blocks.append(block)
+            self.Elements.append(block)
+            connectors = block.GetConnectors()
+            for i, input_connector in enumerate(instance["connectors"]["inputs"]):
+                connector = connectors["inputs"][i]
+                connector.SetPosition(wxPoint(*input_connector["position"]))
+                if input_connector["negated"]:
+                    connector.SetNegated(True)
+                if input_connector["edge"]:
+                    connector.SetEdge(input_connector["edge"])
+                self.CreateWires(connector, input_connector["links"], ids)
+            for i, output_connector in enumerate(instance["connectors"]["outputs"]):
+                connector = connectors["outputs"][i]
+                if output_connector["negated"]:
+                    connector.SetNegated(True)
+                if output_connector["edge"]:
+                    connector.SetEdge(output_connector["edge"])
+                connector.SetPosition(wxPoint(*output_connector["position"]))
+    
+    def CreateWires(self, start_connector, links, ids):
+        for link in links:
+            refLocalId = link["refLocalId"]
+            if refLocalId != None:
+                if refLocalId not in ids:
+                    new_instance = self.Controler.GetCurrentElementEditingInstanceInfos(refLocalId)
+                    if new_instance:
+                        self.loadInstance(new_instance, ids)
+                connected = self.FindElementById(refLocalId)
+                if connected:
+                    points = link["points"]
+                    end_connector = connected.GetConnector(wxPoint(points[-1][0], points[-1][1]))
+                    if end_connector:
+                        wire = Wire(self)
+                        wire.SetPoints(points)
+                        start_connector.Connect((wire, 0), False)
+                        end_connector.Connect((wire, -1), False)
+                        wire.ConnectStartPoint(None, start_connector)
+                        wire.ConnectEndPoint(None, end_connector)
+                        self.Wires.append(wire)
+                        self.Elements.append(wire)
+
+#-------------------------------------------------------------------------------
+#                          Search Element functions
+#-------------------------------------------------------------------------------
+
+    def FindBlock(self, pos):
+        for block in self.Blocks:
+            if block.HitTest(pos) or block.TestHandle(pos) != (0, 0):
+                return block
+        return None
+    
+    def FindWire(self, pos):
+        for wire in self.Wires:
+            if wire.HitTest(pos) or wire.TestHandle(pos) != (0, 0):
+                return wire
+        return None
+    
+    def FindElement(self, pos, exclude_group = False):
+        if self.SelectedElement and not (exclude_group and isinstance(self.SelectedElement, Graphic_Group)):
+            if self.SelectedElement.HitTest(pos) or self.SelectedElement.TestHandle(pos) != (0, 0):
+                return self.SelectedElement
+        for element in self.Elements:
+            if element.HitTest(pos) or element.TestHandle(pos) != (0, 0):
+                return element
+        return None
+    
+    def FindBlockConnector(self, pos):
+        for block in self.Blocks:
+            result = block.TestConnector(pos)
+            if result:
+                return result
+        return None
+    
+    def FindElementById(self, id):
+        for element in self.Elements:
+            if element.GetId() == id:
+                return element
+        return None
+    
+    def SearchElements(self, bbox):
+        elements = []
+        for element in self.Elements:
+            element_bbox = element.GetBoundingBox()
+            if element_bbox.x >= bbox.x and element_bbox.y >= bbox.y and element_bbox.x + element_bbox.width <= bbox.x + bbox.width and element_bbox.y + element_bbox.height <= bbox.y + bbox.height:
+                elements.append(element)
+        return elements
+
+#-------------------------------------------------------------------------------
+#                           Popup menu functions
+#-------------------------------------------------------------------------------
+
+    def PopupBlockMenu(self, connector = None):
+        self.ContextualMenu.FindItemByPosition(0).Enable(connector != None)
+        self.ContextualMenu.FindItemByPosition(1).Enable(connector != None)
+        self.ContextualMenu.FindItemByPosition(2).Enable(connector != None)
+        self.ContextualMenu.FindItemByPosition(3).Enable(connector != None)
+        self.ContextualMenu.FindItemByPosition(5).Enable(False)
+        self.ContextualMenu.FindItemByPosition(6).Enable(False)
+        self.ContextualMenu.FindItemByPosition(8).Enable(False)
+        self.ContextualMenu.FindItemByPosition(9).Enable(False)
+        if connector:
+            if connector.IsNegated():
+                self.ContextualMenu.FindItemByPosition(1).Check(True)
+            elif connector.GetEdge() == "rising":
+                self.ContextualMenu.FindItemByPosition(2).Check(True)
+            elif connector.GetEdge() == "falling":
+                self.ContextualMenu.FindItemByPosition(3).Check(True)
+            else:
+                self.ContextualMenu.FindItemByPosition(0).Check(True)
+        self.PopupMenu(self.ContextualMenu)
+    
+    def PopupVariableMenu(self, connector = None):
+        self.ContextualMenu.FindItemByPosition(0).Enable(connector != None)
+        self.ContextualMenu.FindItemByPosition(1).Enable(connector != None)
+        self.ContextualMenu.FindItemByPosition(2).Enable(False)
+        self.ContextualMenu.FindItemByPosition(3).Enable(False)
+        self.ContextualMenu.FindItemByPosition(5).Enable(False)
+        self.ContextualMenu.FindItemByPosition(6).Enable(False)
+        self.ContextualMenu.FindItemByPosition(8).Enable(False)
+        self.ContextualMenu.FindItemByPosition(9).Enable(False)
+        if connector:
+            if connector.IsNegated():
+                self.ContextualMenu.FindItemByPosition(1).Check(True)
+            else:
+                self.ContextualMenu.FindItemByPosition(0).Check(True)
+        self.PopupMenu(self.ContextualMenu)
+
+    def PopupWireMenu(self):
+        self.ContextualMenu.FindItemByPosition(0).Enable(False)
+        self.ContextualMenu.FindItemByPosition(1).Enable(False)
+        self.ContextualMenu.FindItemByPosition(2).Enable(False)
+        self.ContextualMenu.FindItemByPosition(3).Enable(False)
+        self.ContextualMenu.FindItemByPosition(5).Enable(True)
+        self.ContextualMenu.FindItemByPosition(6).Enable(True)
+        self.ContextualMenu.FindItemByPosition(8).Enable(False)
+        self.ContextualMenu.FindItemByPosition(9).Enable(False)
+        self.PopupMenu(self.ContextualMenu)
+    
+    def PopupDivergenceMenu(self, connector):
+        self.ContextualMenu.FindItemByPosition(0).Enable(False)
+        self.ContextualMenu.FindItemByPosition(1).Enable(False)
+        self.ContextualMenu.FindItemByPosition(2).Enable(False)
+        self.ContextualMenu.FindItemByPosition(3).Enable(False)
+        self.ContextualMenu.FindItemByPosition(5).Enable(False)
+        self.ContextualMenu.FindItemByPosition(6).Enable(False)
+        self.ContextualMenu.FindItemByPosition(8).Enable(True)
+        self.ContextualMenu.FindItemByPosition(9).Enable(connector)
+        self.PopupMenu(self.ContextualMenu)
+    
+    def PopupDefaultMenu(self):
+        self.ContextualMenu.FindItemByPosition(0).Enable(False)
+        self.ContextualMenu.FindItemByPosition(1).Enable(False)
+        self.ContextualMenu.FindItemByPosition(2).Enable(False)
+        self.ContextualMenu.FindItemByPosition(3).Enable(False)
+        self.ContextualMenu.FindItemByPosition(5).Enable(False)
+        self.ContextualMenu.FindItemByPosition(6).Enable(False)
+        self.ContextualMenu.FindItemByPosition(8).Enable(False)
+        self.ContextualMenu.FindItemByPosition(9).Enable(False)
+        self.PopupMenu(self.ContextualMenu)
+
+    def EditCommentContent(self, comment):
+        dialog = wxTextEntryDialog(self.Parent, "Edit comment", "Please enter comment text", comment.GetContent(), wxOK|wxCANCEL|wxTE_MULTILINE)
+        if dialog.ShowModal() == wxID_OK:
+            value = dialog.GetValue()
+            comment.SetContent(value)
+            infos = {"content" : value}
+            infos["width"], infos["height"] = comment.GetSize()
+            self.Controler.SetCurrentElementEditingCommentInfos(comment.GetId(), infos)
+            self.Refresh()
+        dialog.Destroy()
+
+#-------------------------------------------------------------------------------
+#                            Menu items functions
+#-------------------------------------------------------------------------------
+
+    def OnNoModifierMenu(self, event):
+        if self.SelectedElement and self.SelectedElement in self.Blocks:
+            self.SelectedElement.SetConnectorNegated(False)
+        event.Skip()
+    
+    def OnNegatedMenu(self, event):
+        if self.SelectedElement and self.SelectedElement in self.Blocks:
+            self.SelectedElement.SetConnectorNegated(True)
+        event.Skip()
+
+    def OnRisingEdgeMenu(self, event):
+        if self.SelectedElement and self.SelectedElement in self.Blocks:
+            self.SelectedElement.SetConnectorEdge("rising")
+        event.Skip()
+
+    def OnFallingEdgeMenu(self, event):
+        if self.SelectedElement and self.SelectedElement in self.Blocks:
+            self.SelectedElement.SetConnectorEdge("falling")
+        event.Skip()
+
+    def OnAddSegmentMenu(self, event):
+        if self.SelectedElement and self.SelectedElement in self.Wires:
+            self.SelectedElement.AddSegment()
+        event.Skip()
+
+    def OnDeleteSegmentMenu(self, event):
+        if self.SelectedElement and self.SelectedElement in self.Wires:
+            self.SelectedElement.DeleteSegment()
+        event.Skip()
+
+    def OnAddBranchMenu(self, event):
+        if self.SelectedElement and self.SelectedElement in self.Blocks:
+            self.AddDivergenceBranch(self.SelectedElement)
+        event.Skip()
+
+    def OnDeleteBranchMenu(self, event):
+        if self.SelectedElement and self.SelectedElement in self.Blocks:
+            self.RemoveDivergenceBranch(self.SelectedElement)
+        event.Skip()
+
+    def OnDeleteMenu(self, event):
+        if self.SelectedElement:
+            self.SelectedElement.Delete()
+            self.SelectedElement = None
+        event.Skip()
+
+#-------------------------------------------------------------------------------
+#                          Mouse event functions
+#-------------------------------------------------------------------------------
+
+    def OnViewerLeftDown(self, event):
+        event.Skip()
+
+    def OnViewerLeftUp(self, event):
+        event.Skip()
+    
+    def OnViewerRightUp(self, event):
+        event.Skip()
+    
+    def OnViewerLeftDClick(self, event):
+        event.Skip()
+    
+    def OnViewerMotion(self, event):
+        event.Skip()
+
+#-------------------------------------------------------------------------------
+#                          Keyboard event functions
+#-------------------------------------------------------------------------------
+
+    def OnChar(self, event):
+        event.Skip()
+
+#-------------------------------------------------------------------------------
+#                          Model update functions
+#-------------------------------------------------------------------------------
+
+    def RefreshBlockModel(self, block):
+        blockid = block.GetId()
+        infos = {}
+        infos["type"] = block.GetType()
+        infos["name"] = block.GetName()
+        infos["x"], infos["y"] = block.GetPosition()
+        infos["width"], infos["height"] = block.GetSize()
+        infos["connectors"] = block.GetConnectors()
+        self.Controler.SetCurrentElementEditingBlockInfos(blockid, infos)
+    
+    def RefreshVariableModel(self, variable):
+        variableid = variable.GetId()
+        infos = {}
+        infos["name"] = variable.GetName()
+        infos["x"], infos["y"] = variable.GetPosition()
+        infos["width"], infos["height"] = variable.GetSize()
+        infos["connectors"] = variable.GetConnectors()
+        self.Controler.SetCurrentElementEditingVariableInfos(variableid, infos)
+
+    def RefreshConnectionModel(self, connection):
+        connectionid = connection.GetId()
+        infos = {}
+        infos["name"] = connection.GetName()
+        infos["x"], infos["y"] = connection.GetPosition()
+        infos["width"], infos["height"] = connection.GetSize()
+        infos["connector"] = connection.GetConnector()
+        self.Controler.SetCurrentElementEditingConnectionInfos(connectionid, infos)
+
+    def RefreshCommentModel(self, comment):
+        commentid = comment.GetId()
+        infos = {}
+        infos["content"] = comment.GetContent()
+        infos["x"], infos["y"] = comment.GetPosition()
+        infos["width"], infos["height"] = comment.GetSize()
+        self.Controler.SetCurrentElementEditingCommentInfos(commentid, infos)
+
+    def RefreshPowerRailModel(self, powerrail):
+        powerrailid = powerrail.GetId()
+        infos = {}
+        infos["x"], infos["y"] = powerrail.GetPosition()
+        infos["width"], infos["height"] = powerrail.GetSize()
+        infos["connectors"] = powerrail.GetConnectors()
+        self.Controler.SetCurrentElementEditingPowerRailInfos(powerrailid, infos)
+
+    def RefreshContactModel(self, contact):
+        contactid = contact.GetId()
+        infos = {}
+        infos["name"] = contact.GetName()
+        infos["type"] = contact.GetType()
+        infos["x"], infos["y"] = contact.GetPosition()
+        infos["width"], infos["height"] = contact.GetSize()
+        infos["connectors"] = contact.GetConnectors()
+        self.Controler.SetCurrentElementEditingContactInfos(contactid, infos)
+
+    def RefreshCoilModel(self, coil):
+        coilid = coil.GetId()
+        infos = {}
+        infos["name"] = coil.GetName()
+        infos["type"] = coil.GetType()
+        infos["x"], infos["y"] = coil.GetPosition()
+        infos["width"], infos["height"] = coil.GetSize()
+        infos["connectors"] = coil.GetConnectors()
+        self.Controler.SetCurrentElementEditingCoilInfos(coilid, infos)
+
+    def RefreshStepModel(self, step):
+        stepid = step.GetId()
+        infos = {}
+        infos["name"] = step.GetName()
+        infos["initial"] = step.GetInitial()
+        infos["x"], infos["y"] = step.GetPosition()
+        infos["width"], infos["height"] = step.GetSize()
+        infos["connectors"] = step.GetConnectors()
+        self.Controler.SetCurrentElementEditingStepInfos(stepid, infos)
+
+    def RefreshTransitionModel(self, transition):
+        transitionid = transition.GetId()
+        infos = {}
+        infos["type"] = transition.GetType()
+        infos["condition"] = transition.GetCondition()
+        infos["x"], infos["y"] = transition.GetPosition()
+        infos["width"], infos["height"] = transition.GetSize()
+        infos["connectors"] = transition.GetConnectors()
+        self.Controler.SetCurrentElementEditingTransitionInfos(transitionid, infos)
+
+    def RefreshDivergenceModel(self, divergence):
+        divergenceid = divergence.GetId()
+        infos = {}
+        infos["x"], infos["y"] = divergence.GetPosition()
+        infos["width"], infos["height"] = divergence.GetSize()
+        infos["connectors"] = divergence.GetConnectors()
+        self.Controler.SetCurrentElementEditingDivergenceInfos(divergenceid, infos)
+
+    def RefreshJumpModel(self, jump):
+        jumpid = jump.GetId()
+        infos = {}
+        infos["target"] = jump.GetTarget()
+        infos["x"], infos["y"] = jump.GetPosition()
+        infos["width"], infos["height"] = jump.GetSize()
+        infos["connector"] = jump.GetConnector()
+        self.Controler.SetCurrentElementEditingJumpInfos(jumpid, infos)
+
+    def RefreshActionBlockModel(self, actionblock):
+        actionblockid = actionblock.GetId()
+        infos = {}
+        infos["actions"] = actionblock.GetActions()
+        infos["x"], infos["y"] = actionblock.GetPosition()
+        infos["width"], infos["height"] = actionblock.GetSize()
+        infos["connector"] = actionblock.GetConnector()
+        self.Controler.SetCurrentElementEditingActionBlockInfos(actionblockid, infos)
+
+#-------------------------------------------------------------------------------
+#                            Editing functions
+#-------------------------------------------------------------------------------
+    
+    def Cut(self):
+        pass
+        
+    def Copy(self):
+        pass
+    
+    def Paste(self):
+        pass
+
+#-------------------------------------------------------------------------------
+#                            Drawing functions
+#-------------------------------------------------------------------------------
+
+    def OnPaint(self, event):
+        dc = wxClientDC(self)
+        dc.Clear()
+        dc.SetPen(wxPen(wxColour(230, 230, 230)))
+        if self.Scaling and self.DrawGrid:
+            width, height = dc.GetSize()
+            for i in xrange(1, width / self.Scaling[0] + 1):
+                dc.DrawLine(i * self.Scaling[0], 0, i * self.Scaling[0], height)
+            for i in xrange(1, height / self.Scaling[1] + 1):
+                dc.DrawLine(0, i * self.Scaling[1], width, i * self.Scaling[1])
+        for wire in self.Wires:
+            if wire != self.SelectedElement:
+                wire.Draw(dc)
+        for element in self.Elements:
+            if element not in self.Wires and element != self.SelectedElement:
+                element.Draw(dc)
+        if self.SelectedElement:
+            self.SelectedElement.Draw(dc)
+        event.Skip()
+
+
+#-------------------------------------------------------------------------------
+#                         Textual programs Viewer class
+#-------------------------------------------------------------------------------
+
+
+NEWLINE = "\n"
+NUMBERS = [str(i) for i in xrange(10)]
+LETTERS = ['_']
+for i in xrange(26):
+    LETTERS.append(chr(ord('a') + i))
+    LETTERS.append(chr(ord('A') + i))
+
+[wxSTC_PLC_WORD, wxSTC_PLC_COMMENT, wxSTC_PLC_NUMBER, wxSTC_PLC_VARIABLE, 
+ wxSTC_PLC_FUNCTION, wxSTC_PLC_JUMP] = range(6)
+[SPACE, WORD, NUMBER, COMMENT] = range(4)
+
+[wxID_TEXTVIEWER,
+] = [wx.NewId() for _init_ctrls in range(1)]
+
+if wx.Platform == '__WXMSW__':
+    faces = { 'times': 'Times New Roman',
+              'mono' : 'Courier New',
+              'helv' : 'Arial',
+              'other': 'Comic Sans MS',
+              'size' : 10,
+             }
+else:
+    faces = { 'times': 'Times',
+              'mono' : 'Courier',
+              'helv' : 'Helvetica',
+              'other': 'new century schoolbook',
+              'size' : 12,
+             }
+re_texts = {}
+re_texts["letter"] = "[A-Za-z]"
+re_texts["digit"] = "[0-9]"
+re_texts["identifier"] = "((?:%(letter)s|(?:_(?:%(letter)s|%(digit)s)))(?:_?(?:%(letter)s|%(digit)s))*)"%re_texts
+IDENTIFIER_MODEL = re.compile(re_texts["identifier"])
+LABEL_MODEL = re.compile("[ \t\n]%(identifier)s:[ \t\n]"%re_texts)
+
+class TextViewer(wxStyledTextCtrl):
+    
+    def __init__(self, parent, window, controler):
+        wxStyledTextCtrl.__init__(self, parent, wxID_TEXTVIEWER, style=0)
+        
+        self.CmdKeyAssign(ord('+'), wxSTC_SCMOD_CTRL, wxSTC_CMD_ZOOMIN)
+        self.CmdKeyAssign(ord('-'), wxSTC_SCMOD_CTRL, wxSTC_CMD_ZOOMOUT)
+        
+        self.SetViewWhiteSpace(False)
+        
+        self.SetLexer(wxSTC_LEX_CONTAINER)
+        
+        # Global default styles for all languages
+        self.StyleSetSpec(wxSTC_STYLE_DEFAULT, "face:%(mono)s,size:%(size)d" % faces)
+        self.StyleClearAll()  # Reset all to be like the default
+        
+        self.StyleSetSpec(wxSTC_STYLE_LINENUMBER,  "back:#C0C0C0,size:%(size)d" % faces)
+        self.SetSelBackground(1, "#E0E0E0")
+        
+        # Highlighting styles
+        self.StyleSetSpec(wxSTC_PLC_WORD, "fore:#00007F,bold,size:%(size)d" % faces)
+        self.StyleSetSpec(wxSTC_PLC_VARIABLE, "fore:#7F0000,size:%(size)d" % faces)
+        self.StyleSetSpec(wxSTC_PLC_FUNCTION, "fore:#7F7F00,size:%(size)d" % faces)
+        self.StyleSetSpec(wxSTC_PLC_COMMENT, "fore:#7F7F7F,size:%(size)d" % faces)
+        self.StyleSetSpec(wxSTC_PLC_NUMBER, "fore:#007F7F,size:%(size)d" % faces)
+        self.StyleSetSpec(wxSTC_PLC_JUMP, "fore:#007F00,size:%(size)d" % faces)
+        
+        # Indicators styles
+        self.IndicatorSetStyle(0, wxSTC_INDIC_SQUIGGLE)
+        self.IndicatorSetForeground(0, wxRED)
+        
+        # Line numbers in the margin
+        self.SetMarginType(1, wxSTC_MARGIN_NUMBER)
+        self.SetMarginWidth(1, 50)
+        
+        # Indentation size
+        self.SetTabWidth(2)
+        
+        self.Keywords = []
+        self.Variables = []
+        self.Functions = []
+        self.Jumps = []
+        self.TextChanged = False
+        
+        self.Controler = controler
+
+        EVT_KEY_DOWN(self, self.OnKeyDown)
+        EVT_STC_STYLENEEDED(self, wxID_TEXTVIEWER, self.OnStyleNeeded)
+    
+    def SetKeywords(self, keywords):
+        self.Keywords = [keyword.upper() for keyword in keywords]
+        self.Colourise(0, -1)
+    
+    def SetVariables(self, variables):
+        self.Variables = [variable.upper() for variable in variables]
+        self.Colourise(0, -1)
+    
+    def SetFunctions(self, blocktypes):
+        self.Functions = []
+        for category in blocktypes:
+            for blocktype in category["list"]:
+                if blocktype["name"] not in self.Keywords and blocktype["name"] not in self.Variables:
+                    self.Functions.append(blocktype["name"].upper())
+        self.Colourise(0, -1)
+    
+    def RefreshJumpList(self):
+        self.Jumps = [jump.upper() for jump in LABEL_MODEL.findall(self.GetText())]
+        self.Colourise(0, -1)
+    
+    def RefreshView(self):
+        self.SetText(self.Controler.GetCurrentElementEditingText())
+        self.RefreshJumpList()
+    
+    def OnStyleNeeded(self, event):
+        self.TextChanged = True
+        line = self.LineFromPosition(self.GetEndStyled())
+        if line == 0:
+            start_pos = 0
+        else:
+            start_pos = self.GetLineEndPosition(line - 1) + 1
+        end_pos = event.GetPosition()
+        self.StartStyling(start_pos, 0xff)
+        
+        i = start_pos
+        state = SPACE
+        line = ""
+        word = ""
+        while i < end_pos:
+            char = chr(self.GetCharAt(i)).upper()
+            line += char
+            if char == NEWLINE:
+                if state == COMMENT:
+                    self.SetStyling(i - start_pos + 1, wxSTC_PLC_COMMENT)
+                elif state == NUMBER:
+                    self.SetStyling(i - start_pos, wxSTC_PLC_NUMBER)
+                elif state == WORD:
+                    if word in self.Keywords:
+                        self.SetStyling(i - start_pos, wxSTC_PLC_WORD)
+                    elif word in self.Variables:
+                        self.SetStyling(i - start_pos, wxSTC_PLC_VARIABLE)
+                    elif word in self.Functions:
+                        self.SetStyling(i - start_pos, wxSTC_PLC_FUNCTION)
+                    elif word in self.Jumps:
+                        self.SetStyling(i - start_pos, wxSTC_PLC_JUMP)
+                    else:
+                        self.SetStyling(i - start_pos, 31)
+                        if self.GetCurrentPos() < start_pos or self.GetCurrentPos() > i:
+                            self.StartStyling(start_pos, wxSTC_INDICS_MASK)
+                            self.SetStyling(i - start_pos, wxSTC_INDIC0_MASK)
+                            self.StartStyling(i, 0xff)    
+                else:
+                    self.SetStyling(i - start_pos, 31)
+                start_pos = i
+                state = SPACE
+                line = ""
+            elif line.endswith("(*") and state != COMMENT:
+                self.SetStyling(i - start_pos - 1, 31)
+                start_pos = i
+                state = COMMENT
+            elif state == COMMENT:
+                if line.endswith("*)"):
+                    self.SetStyling(i - start_pos + 2, wxSTC_PLC_COMMENT)
+                    start_pos = i + 1
+                    state = SPACE
+            elif char in LETTERS:
+                if state == NUMBER:
+                    word = "#"
+                    state = WORD
+                elif state == SPACE:
+                    self.SetStyling(i - start_pos, 31)
+                    word = char
+                    start_pos = i
+                    state = WORD
+                else:
+                    word += char
+            elif char in NUMBERS or char == '.' and state != WORD:
+                if state == SPACE:
+                    self.SetStyling(i - start_pos, 31)
+                    start_pos = i
+                    state = NUMBER
+                if state == WORD and char != '.':
+                    word += char
+            else:
+                if state == WORD:
+                    if word in self.Keywords:
+                        self.SetStyling(i - start_pos, wxSTC_PLC_WORD)
+                    elif word in self.Variables:
+                        self.SetStyling(i - start_pos, wxSTC_PLC_VARIABLE)
+                    elif word in self.Functions:
+                        self.SetStyling(i - start_pos, wxSTC_PLC_FUNCTION)
+                    elif word in self.Jumps:
+                        self.SetStyling(i - start_pos, wxSTC_PLC_JUMP)
+                    else:
+                        self.SetStyling(i - start_pos, 31)
+                        if self.GetCurrentPos() < start_pos or self.GetCurrentPos() > i:
+                            self.StartStyling(start_pos, wxSTC_INDICS_MASK)
+                            self.SetStyling(i - start_pos, wxSTC_INDIC0_MASK)
+                            self.StartStyling(i, 0xff)
+                    word = ""
+                    start_pos = i
+                    state = SPACE
+                elif state == NUMBER:
+                    self.SetStyling(i - start_pos, wxSTC_PLC_NUMBER)
+                    start_pos = i
+                    state = SPACE
+            i += 1
+        if state == COMMENT:
+            self.SetStyling(i - start_pos + 2, wxSTC_PLC_COMMENT)
+        elif state == NUMBER:
+            self.SetStyling(i - start_pos, wxSTC_PLC_NUMBER)
+        elif state == WORD:
+            if word in self.Keywords:
+                self.SetStyling(i - start_pos, wxSTC_PLC_WORD)
+            elif word in self.Variables:
+                self.SetStyling(i - start_pos, wxSTC_PLC_VARIABLE)
+            elif word in self.Functions:
+                self.SetStyling(i - start_pos, wxSTC_PLC_FUNCTION)
+            elif word in self.Jumps:
+                self.SetStyling(i - start_pos, wxSTC_PLC_JUMP)
+            else:
+                self.SetStyling(i - start_pos, 31)
+        else:
+            self.SetStyling(i - start_pos, 31)
+        event.Skip()
+    
+    def Cut(self):
+        self.CmdKeyExecute(wxSTC_CMD_CUT)
+        
+    def Copy(self):
+        self.CmdKeyExecute(wxSTC_CMD_COPY)
+    
+    def Paste(self):
+        self.CmdKeyExecute(wxSTC_CMD_PASTE)
+    
+    def RefreshModel(self):
+        if self.TextChanged:
+            self.RefreshJumpList()
+            self.Controler.SetCurrentElementEditingText(self.GetText())
+    
+    def OnKeyDown(self, event):
+        if self.CallTipActive():
+            self.CallTipCancel()
+        key = event.KeyCode()
+
+        if key == WXK_SPACE and event.ControlDown():
+            pos = self.GetCurrentPos()
+
+            # Tips
+            if event.ShiftDown():
+                self.CallTipSetBackground("yellow")
+                self.CallTipShow(pos, 'Here will be some help.')
+            
+            # Code completion
+            else:
+                kw = [key for key in self.Keywords]
+                
+                kw.sort()  # Python sorts are case sensitive
+                self.AutoCompSetIgnoreCase(False)  # so this needs to match
+
+                self.AutoCompShow(0, " ".join(kw))
+        else:
+            self.TextChanged = False
+            wxCallAfter(self.RefreshModel)
+            event.Skip()
+
+
+#-------------------------------------------------------------------------------
+#                            Resource Editor class
+#-------------------------------------------------------------------------------
+
+class ResourceTable(wxPyGridTableBase):
+    
+    """
+    A custom wxGrid Table using user supplied data
+    """
+    def __init__(self, parent, data, colnames):
+        # The base class must be initialized *first*
+        wxPyGridTableBase.__init__(self)
+        self.data = data
+        self.colnames = colnames
+        self.Parent = parent
+        
+        self.ColAlignements = []
+        self.ColSizes = []
+        # XXX
+        # we need to store the row length and collength to
+        # see if the table has changed size
+        self._rows = self.GetNumberRows()
+        self._cols = self.GetNumberCols()
+    
+    def GetColAlignements(self):
+        return self.ColAlignements
+    
+    def SetColAlignements(self, list):
+        self.ColAlignements = list
+
+    def GetColSizes(self):
+        return self.ColSizes
+    
+    def SetColSizes(self, list):
+        self.ColSizes = list
+
+    def GetNumberCols(self):
+        return len(self.colnames)
+        
+    def GetNumberRows(self):
+        return len(self.data)
+
+    def GetColLabelValue(self, col):
+        if col < len(self.colnames):
+            return self.colnames[col]
+
+    def GetRowLabelValues(self, row):
+        return row
+
+    def GetValue(self, row, col):
+        if row < self.GetNumberRows():
+            name = str(self.data[row].get(self.GetColLabelValue(col), ""))
+            return name
+    
+    def GetValueByName(self, row, colname):
+        return self.data[row].get(colname)
+
+    def SetValue(self, row, col, value):
+        if col < len(self.colnames):
+            self.data[row][self.GetColLabelValue(col)] = value
+    
+    def SetValueByName(self, row, colname, value):
+        if colname in self.colnames:
+            self.data[row][colname] = value
+    
+    def ResetView(self, grid):
+        """
+        (wxGrid) -> Reset the grid view.   Call this to
+        update the grid if rows and columns have been added or deleted
+        """
+        grid.BeginBatch()
+        for current, new, delmsg, addmsg in [
+            (self._rows, self.GetNumberRows(), wxGRIDTABLE_NOTIFY_ROWS_DELETED, wxGRIDTABLE_NOTIFY_ROWS_APPENDED),
+            (self._cols, self.GetNumberCols(), wxGRIDTABLE_NOTIFY_COLS_DELETED, wxGRIDTABLE_NOTIFY_COLS_APPENDED),
+        ]:
+            if new < current:
+                msg = wxGridTableMessage(self,delmsg,new,current-new)
+                grid.ProcessTableMessage(msg)
+            elif new > current:
+                msg = wxGridTableMessage(self,addmsg,new-current)
+                grid.ProcessTableMessage(msg)
+                self.UpdateValues(grid)
+        grid.EndBatch()
+
+        self._rows = self.GetNumberRows()
+        self._cols = self.GetNumberCols()
+        # update the column rendering scheme
+        self._updateColAttrs(grid)
+
+        # update the scrollbars and the displayed part of the grid
+        grid.AdjustScrollbars()
+        grid.ForceRefresh()
+
+    def UpdateValues(self, grid):
+        """Update all displayed values"""
+        # This sends an event to the grid table to update all of the values
+        msg = wxGridTableMessage(self, wxGRIDTABLE_REQUEST_VIEW_GET_VALUES)
+        grid.ProcessTableMessage(msg)
+
+    def _updateColAttrs(self, grid):
+        """
+        wxGrid -> update the column attributes to add the
+        appropriate renderer given the column name.
+
+        Otherwise default to the default renderer.
+        """
+        
+        for col in range(self.GetNumberCols()):
+            attr = wxGridCellAttr()
+            attr.SetAlignment(self.ColAlignements[col], wxALIGN_CENTRE)
+            grid.SetColAttr(col, attr)
+            grid.SetColSize(col, self.ColSizes[col])
+        
+        for row in range(self.GetNumberRows()):
+            for col in range(self.GetNumberCols()):
+                editor = None
+                renderer = None
+                colname = self.GetColLabelValue(col)
+                grid.SetReadOnly(row, col, False)
+                if colname in ["Name","Interval"]:
+                    editor = wxGridCellTextEditor()
+                    renderer = wxGridCellStringRenderer()
+                    if colname == "Interval" and self.GetValueByName(row, "Single") != "":
+                        grid.SetReadOnly(row, col, True)
+                elif colname == "Single":
+                    editor = wxGridCellChoiceEditor()
+                    editor.SetParameters(self.Parent.VariableList)
+                    if self.GetValueByName(row, "Interval") != "":
+                        grid.SetReadOnly(row, col, True)
+                elif colname == "Type":
+                    editor = wxGridCellChoiceEditor()
+                    editor.SetParameters(self.Parent.TypeList)
+                elif colname == "Priority":
+                    editor = wxGridCellNumberEditor()
+                    editor.SetParameters("0,65535")
+                elif colname == "Task":
+                    editor = wxGridCellChoiceEditor()
+                    editor.SetParameters(self.Parent.TaskList)
+                    
+                grid.SetCellEditor(row, col, editor)
+                grid.SetCellRenderer(row, col, renderer)
+                
+                grid.SetCellBackgroundColour(row, col, wxWHITE)
+    
+    def SetData(self, data):
+        self.data = data
+    
+    def GetData(self):
+        return self.data
+    
+    def GetCurrentIndex(self):
+        return self.CurrentIndex
+    
+    def SetCurrentIndex(self, index):
+        self.CurrentIndex = index
+    
+    def AppendRow(self, row_content):
+        self.data.append(row_content)
+
+    def RemoveRow(self, row_index):
+        self.data.pop(row_index)
+        
+    def MoveRow(self, row_index, move, grid):
+        new_index = max(0, min(row_index + move, len(self.data) - 1))
+        if new_index != row_index:
+            self.data.insert(new_index, self.data.pop(row_index))
+            grid.SetGridCursor(new_index, grid.GetGridCursorCol())
+
+    def Empty(self):
+        self.data = []
+        self.editors = []
+
+[wxID_RESOURCEEDITOR, wxID_RESOURCEEDITORSTATICTEXT1,
+ wxID_RESOURCEEDITORSTATICTEXT2, wxID_RESOURCEEDITORINSTANCESGRID,
+ wxID_RESOURCEEDITORTASKSGRID, wxID_RESOURCEEDITORADDINSTANCEBUTTON,
+ wxID_RESOURCEEDITORDELETEINSTANCEBUTTON, wxID_RESOURCEEDITORUPINSTANCEBUTTON,
+ wxID_RESOURCEEDITORDOWNINSTANCEBUTTON, wxID_RESOURCEEDITORADDTASKBUTTON,
+ wxID_RESOURCEEDITORDELETETASKBUTTON, wxID_RESOURCEEDITORUPTASKBUTTON,
+ wxID_RESOURCEEDITORDOWNTASKBUTTON,
+] = [wx.NewId() for _init_ctrls in range(13)]
+
+class ResourceEditor(wx.Panel):
+    
+    def _init_coll_InstancesSizer_Growables(self, parent):
+        # generated method, don't edit
+
+        parent.AddGrowableCol(0)
+        parent.AddGrowableRow(1)
+
+    def _init_coll_InstancesSizer_Items(self, parent):
+        # generated method, don't edit
+
+        parent.AddSizer(self.InstancesButtonsSizer, 0, border=0, flag=wxGROW)
+        parent.AddWindow(self.InstancesGrid, 0, border=0, flag=wxGROW)
+
+    def _init_coll_InstancesButtonsSizer_Growables(self, parent):
+        # generated method, don't edit
+
+        parent.AddGrowableCol(0)
+        parent.AddGrowableRow(0)
+
+    def _init_coll_InstancesButtonsSizer_Items(self, parent):
+        # generated method, don't edit
+
+        parent.AddWindow(self.staticText2, 0, border=0, flag=wxALIGN_BOTTOM)
+        parent.AddWindow(self.AddInstanceButton, 0, border=0, flag=0)
+        parent.AddWindow(self.DeleteInstanceButton, 0, border=0, flag=0)
+        parent.AddWindow(self.UpInstanceButton, 0, border=0, flag=0)
+        parent.AddWindow(self.DownInstanceButton, 0, border=0, flag=0)
+
+    def _init_coll_TasksSizer_Growables(self, parent):
+        # generated method, don't edit
+
+        parent.AddGrowableCol(0)
+        parent.AddGrowableRow(1)
+
+    def _init_coll_TasksSizer_Items(self, parent):
+        # generated method, don't edit
+
+        parent.AddSizer(self.TasksButtonsSizer, 0, border=0, flag=wxGROW)
+        parent.AddWindow(self.TasksGrid, 0, border=0, flag=wxGROW)
+
+    def _init_coll_TasksButtonsSizer_Growables(self, parent):
+        # generated method, don't edit
+
+        parent.AddGrowableCol(0)
+        parent.AddGrowableRow(0)
+
+    def _init_coll_TasksButtonsSizer_Items(self, parent):
+        # generated method, don't edit
+
+        parent.AddWindow(self.staticText1, 0, border=0, flag=wxALIGN_BOTTOM)
+        parent.AddWindow(self.AddTaskButton, 0, border=0, flag=0)
+        parent.AddWindow(self.DeleteTaskButton, 0, border=0, flag=0)
+        parent.AddWindow(self.UpTaskButton, 0, border=0, flag=0)
+        parent.AddWindow(self.DownTaskButton, 0, border=0, flag=0)
+
+    def _init_coll_MainGridSizer_Items(self, parent):
+        # generated method, don't edit
+
+        parent.AddSizer(self.TasksSizer, 0, border=0, flag=wxGROW)
+        parent.AddSizer(self.InstancesSizer, 0, border=0, flag=wxGROW)
+
+    def _init_coll_MainGridSizer_Growables(self, parent):
+        # generated method, don't edit
+
+        parent.AddGrowableCol(0)
+        parent.AddGrowableRow(0)
+        parent.AddGrowableRow(1)
+
+    def _init_sizers(self):
+        # generated method, don't edit
+        self.MainGridSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)
+
+        self.InstancesSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)
+
+        self.InstancesButtonsSizer = wx.FlexGridSizer(cols=5, hgap=5, rows=1, vgap=0)
+
+        self.TasksSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)
+
+        self.TasksButtonsSizer = wx.FlexGridSizer(cols=5, hgap=5, rows=1, vgap=0)
+
+        self._init_coll_MainGridSizer_Growables(self.MainGridSizer)
+        self._init_coll_MainGridSizer_Items(self.MainGridSizer)
+        self._init_coll_InstancesSizer_Growables(self.InstancesSizer)
+        self._init_coll_InstancesSizer_Items(self.InstancesSizer)
+        self._init_coll_InstancesButtonsSizer_Growables(self.InstancesButtonsSizer)
+        self._init_coll_InstancesButtonsSizer_Items(self.InstancesButtonsSizer)
+        self._init_coll_TasksSizer_Growables(self.TasksSizer)
+        self._init_coll_TasksSizer_Items(self.TasksSizer)
+        self._init_coll_TasksButtonsSizer_Growables(self.TasksButtonsSizer)
+        self._init_coll_TasksButtonsSizer_Items(self.TasksButtonsSizer)
+
+        self.SetSizer(self.MainGridSizer)
+
+    def _init_ctrls(self, prnt):
+        # generated method, don't edit
+        wx.Panel.__init__(self, id=wxID_RESOURCEEDITOR, name='', parent=prnt,
+              pos=wx.Point(0, 0), size=wx.Size(-1, -1),
+              style=wx.SUNKEN_BORDER)
+        
+        self.staticText1 = wx.StaticText(id=wxID_RESOURCEEDITORSTATICTEXT1,
+              label=u'Tasks:', name='staticText2', parent=self, pos=wx.Point(0,
+              0), size=wx.Size(60, 17), style=wxALIGN_CENTER)
+
+        self.TasksGrid = wx.grid.Grid(id=wxID_RESOURCEEDITORTASKSGRID,
+              name='TasksGrid', parent=self, pos=wx.Point(0, 0), 
+              size=wx.Size(-1, -1), style=wxVSCROLL)
+        self.TasksGrid.SetFont(wx.Font(12, 77, wx.NORMAL, wx.NORMAL, False,
+              'Sans'))
+        self.TasksGrid.SetLabelFont(wx.Font(10, 77, wx.NORMAL, wx.NORMAL,
+              False, 'Sans'))
+        EVT_GRID_CELL_CHANGE(self.TasksGrid, self.OnTasksGridCellChange)
+
+        self.AddTaskButton = wx.Button(id=wxID_RESOURCEEDITORADDTASKBUTTON, label='Add Task',
+              name='AddTaskButton', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(102, 32), style=0)
+        EVT_BUTTON(self, wxID_RESOURCEEDITORADDTASKBUTTON, self.OnAddTaskButton)
+
+        self.DeleteTaskButton = wx.Button(id=wxID_RESOURCEEDITORDELETETASKBUTTON, label='Delete Task',
+              name='DeleteTaskButton', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(102, 32), style=0)
+        EVT_BUTTON(self, wxID_RESOURCEEDITORDELETETASKBUTTON, self.OnDeleteTaskButton)
+
+        self.UpTaskButton = wx.Button(id=wxID_RESOURCEEDITORUPTASKBUTTON, label='^',
+              name='UpTaskButton', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(32, 32), style=0)
+        EVT_BUTTON(self, wxID_RESOURCEEDITORUPTASKBUTTON, self.OnUpTaskButton)
+
+        self.DownTaskButton = wx.Button(id=wxID_RESOURCEEDITORDOWNTASKBUTTON, label='v',
+              name='DownTaskButton', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(32, 32), style=0)
+        EVT_BUTTON(self, wxID_RESOURCEEDITORDOWNTASKBUTTON, self.OnDownTaskButton)
+
+        self.staticText2 = wx.StaticText(id=wxID_RESOURCEEDITORSTATICTEXT2,
+              label=u'Instances:', name='staticText1', parent=self,
+              pos=wx.Point(0, 0), size=wx.Size(85, 17), style=wxALIGN_CENTER)
+
+        self.InstancesGrid = wx.grid.Grid(id=wxID_RESOURCEEDITORINSTANCESGRID,
+              name='InstancesGrid', parent=self, pos=wx.Point(0, 0), 
+              size=wx.Size(-1, -1), style=wxVSCROLL)
+        self.InstancesGrid.SetFont(wx.Font(12, 77, wx.NORMAL, wx.NORMAL, False,
+              'Sans'))
+        self.InstancesGrid.SetLabelFont(wx.Font(10, 77, wx.NORMAL, wx.NORMAL,
+              False, 'Sans'))
+        EVT_GRID_CELL_CHANGE(self.InstancesGrid, self.OnInstancesGridCellChange)
+
+        self.AddInstanceButton = wx.Button(id=wxID_RESOURCEEDITORADDINSTANCEBUTTON, label='Add Instance',
+              name='AddInstanceButton', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(122, 32), style=0)
+        EVT_BUTTON(self, wxID_RESOURCEEDITORADDINSTANCEBUTTON, self.OnAddInstanceButton)
+
+        self.DeleteInstanceButton = wx.Button(id=wxID_RESOURCEEDITORDELETEINSTANCEBUTTON, label='Delete Instance',
+              name='DeleteInstanceButton', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(122, 32), style=0)
+        EVT_BUTTON(self, wxID_RESOURCEEDITORDELETEINSTANCEBUTTON, self.OnDeleteInstanceButton)
+
+        self.UpInstanceButton = wx.Button(id=wxID_RESOURCEEDITORUPINSTANCEBUTTON, label='^',
+              name='UpInstanceButton', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(32, 32), style=0)
+        EVT_BUTTON(self, wxID_RESOURCEEDITORUPINSTANCEBUTTON, self.OnUpInstanceButton)
+
+        self.DownInstanceButton = wx.Button(id=wxID_RESOURCEEDITORDOWNINSTANCEBUTTON, label='v',
+              name='DownInstanceButton', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(32, 32), style=0)
+        EVT_BUTTON(self, wxID_RESOURCEEDITORDOWNINSTANCEBUTTON, self.OnDownInstanceButton)
+
+        self._init_sizers()
+
+    def __init__(self, parent, window, controler):
+        self._init_ctrls(parent)
+        
+        self.Parent = window
+        self.Controler = controler
+        
+        self.TasksDefaultValue = {"Name" : "", "Single" : "", "Interval" : "", "Priority" : 0}
+        self.TasksTable = ResourceTable(self, [], ["Name", "Single", "Interval", "Priority"])
+        self.TasksTable.SetColAlignements([wxALIGN_LEFT, wxALIGN_LEFT, wxALIGN_RIGHT, wxALIGN_RIGHT])
+        self.TasksTable.SetColSizes([200, 100, 100, 100])
+        self.TasksGrid.SetTable(self.TasksTable)
+        self.TasksGrid.SetRowLabelSize(0)
+        self.TasksTable.ResetView(self.TasksGrid)
+
+        self.InstancesDefaultValue = {"Name" : "", "Type" : "", "Task" : ""}
+        self.InstancesTable = ResourceTable(self, [], ["Name", "Type", "Task"])
+        self.InstancesTable.SetColAlignements([wxALIGN_LEFT, wxALIGN_LEFT, wxALIGN_LEFT])
+        self.InstancesTable.SetColSizes([200, 150, 150])
+        self.InstancesGrid.SetTable(self.InstancesTable)
+        self.InstancesGrid.SetRowLabelSize(0)
+        self.InstancesTable.ResetView(self.InstancesGrid)
+
+    def RefreshTypeList(self):
+        self.TypeList = ""
+        blocktypes = self.Controler.GetBlockResource()
+        for blocktype in blocktypes:
+            self.TypeList += ",%s"%blocktype
+
+    def RefreshTaskList(self):
+        self.TaskList = ""
+        for row in xrange(self.TasksTable.GetNumberRows()):
+            self.TaskList += ",%s"%self.TasksTable.GetValueByName(row, "Name")
+
+    def RefreshVariableList(self):
+        self.VariableList = ""
+        for variable in self.Controler.GetCurrentResourceEditingVariables():
+            self.VariableList += ",%s"%variable
+        
+    def RefreshModel(self):
+        self.Controler.SetCurrentResourceEditingInfos(self.TasksTable.GetData(), self.InstancesTable.GetData())
+
+    def RefreshView(self):
+        tasks, instances = self.Controler.GetCurrentResourceEditingInfos()
+        self.TasksTable.SetData(tasks)
+        self.InstancesTable.SetData(instances)
+        self.RefreshTypeList()
+        self.RefreshTaskList()
+        self.RefreshVariableList()
+        self.InstancesTable.ResetView(self.InstancesGrid)
+        self.TasksTable.ResetView(self.TasksGrid)
+
+    def OnAddTaskButton(self, event):
+        self.TasksTable.AppendRow(self.TasksDefaultValue.copy())
+        self.RefreshModel()
+        self.RefreshView()
+        event.Skip()
+
+    def OnDeleteTaskButton(self, event):
+        row = self.TasksGrid.GetGridCursorRow()
+        self.TasksTable.RemoveRow(row)
+        self.RefreshModel()
+        self.RefreshView()
+        event.Skip()
+
+    def OnUpTaskButton(self, event):
+        row = self.TasksGrid.GetGridCursorRow()
+        self.TasksTable.MoveRow(row, -1, self.TasksGrid)
+        self.RefreshModel()
+        self.RefreshView()
+        event.Skip()
+
+    def OnDownTaskButton(self, event):
+        row = self.TasksGrid.GetGridCursorRow()
+        self.TasksTable.MoveRow(row, 1, self.TasksGrid)
+        self.RefreshModel()
+        self.RefreshView()
+        event.Skip()
+
+    def OnAddInstanceButton(self, event):
+        self.InstancesTable.AppendRow(self.InstancesDefaultValue.copy())
+        self.RefreshModel()
+        self.RefreshView()
+        event.Skip()
+
+    def OnDeleteInstanceButton(self, event):
+        row = self.InstancesGrid.GetGridCursorRow()
+        self.InstancesTable.RemoveRow(row)
+        self.RefreshModel()
+        self.RefreshView()
+        event.Skip()
+
+    def OnUpInstanceButton(self, event):
+        row = self.InstancesGrid.GetGridCursorRow()
+        self.InstancesTable.MoveRow(row, -1, self.InstancesGrid)
+        self.RefreshModel()
+        self.RefreshView()
+        event.Skip()
+
+    def OnDownInstanceButton(self, event):
+        row = self.InstancesGrid.GetGridCursorRow()
+        self.InstancesTable.MoveRow(row, 1, self.InstancesGrid)
+        self.RefreshModel()
+        self.RefreshView()
+        event.Skip()
+
+    def OnTasksGridCellChange(self, event):
+        row, col = event.GetRow(), event.GetCol()
+        if self.TasksTable.GetColLabelValue(event.GetCol()) == "Name":
+            tasklist = self.TaskList.split(",")
+            for i in xrange(self.TasksTable.GetNumberRows()):
+                task = self.TasksTable.GetValueByName(i, "Name")
+                if task in tasklist:
+                    tasklist.remove(task)
+            tasklist.remove("")
+            if len(tasklist) > 0:
+                old_name = tasklist[0]
+                new_name = self.TasksTable.GetValue(row, col)
+                for i in xrange(self.InstancesTable.GetNumberRows()):
+                    if self.InstancesTable.GetValueByName(i, "Task") == old_name:
+                        self.InstancesTable.SetValueByName(i, "Task", new_name)
+        self.RefreshModel()
+        self.RefreshView()
+        event.Skip()
+
+    def OnInstancesGridCellChange(self, event):
+        self.RefreshModel()
+        self.RefreshView()
+        event.Skip()