Improved Ethercat Network Configurator panels
authorLaurent Bessard
Tue, 05 Mar 2013 00:59:34 +0100
changeset 2098 392791b5cc04
parent 2097 58d07e039896
child 2099 ea5384ab152c
Improved Ethercat Network Configurator panels
etherlab/ConfigEditor.py
etherlab/etherlab.py
--- a/etherlab/ConfigEditor.py	Wed Feb 27 22:40:45 2013 +0100
+++ b/etherlab/ConfigEditor.py	Tue Mar 05 00:59:34 2013 +0100
@@ -1,10 +1,13 @@
 import os
+import re
+from types import TupleType
 
 import wx
 import wx.grid
 import wx.gizmos
 import wx.lib.buttons
 
+from plcopen.structures import IEC_KEYWORDS, TestIdentifier
 from controls import CustomGrid, CustomTable, FolderTree
 from editors.ConfTreeNodeEditor import ConfTreeNodeEditor, SCROLLBAR_UNIT
 from util.BitmapLibrary import GetBitmap
@@ -17,9 +20,12 @@
     else:
         parent.Append(helpString=help, id=id, kind=kind, item=text)
 
-def GetVariablesTableColnames():
+def GetVariablesTableColnames(position=False):
     _ = lambda x : x
-    return ["#", _("Name"), _("Index"), _("SubIndex"), _("Type"), _("Access")]
+    colname = ["#"]
+    if position:
+        colname.append(_("Position"))
+    return colname + [_("Name"), _("Index"), _("SubIndex"), _("Type"), _("Access")]
 
 ACCESS_TYPES = {
     'ro': 'R',
@@ -27,72 +33,78 @@
     'rw': 'R/W'}
 
 def GetAccessValue(access, pdo_mapping):
-    value = ACCESS_TYPES.get(access)
+    value = ACCESS_TYPES.get(access, "")
     if pdo_mapping != "":
         value += "/P"
     return value
 
-class NodeEditor(ConfTreeNodeEditor):
-    
-    CONFNODEEDITOR_TABS = [
-        (_("Ethercat node"), "_create_EthercatNodeEditor")]
-    
-    def _create_EthercatNodeEditor(self, prnt):
-        self.EthercatNodeEditor = wx.Panel(prnt, style=wx.TAB_TRAVERSAL)
-        
-        main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)
-        main_sizer.AddGrowableCol(0)
-        main_sizer.AddGrowableRow(1)
-        
-        variables_label = wx.StaticText(self.EthercatNodeEditor,
-              label=_('Variable entries:'))
-        main_sizer.AddWindow(variables_label, border=10, flag=wx.TOP|wx.LEFT|wx.RIGHT)
-        
-        self.VariablesGrid = wx.gizmos.TreeListCtrl(self.EthercatNodeEditor,
-              style=wx.TR_DEFAULT_STYLE |
-                    wx.TR_ROW_LINES |
-                    wx.TR_COLUMN_LINES |
-                    wx.TR_HIDE_ROOT |
-                    wx.TR_FULL_ROW_HIGHLIGHT)
-        self.VariablesGrid.GetMainWindow().Bind(wx.EVT_LEFT_DOWN, 
+VARIABLES_FILTERS = [
+    (_("All"), (0x0000, 0xffff)),
+    (_("Communication Parameters"), (0x1000, 0x1fff)),
+    (_("Manufacturer Specific"), (0x2000, 0x5fff)),
+    (_("Standardized Device Profile"), (0x6000, 0x9fff))]
+
+ETHERCAT_INDEX_MODEL = re.compile("#x([0-9a-fA-F]{0,4})$")
+ETHERCAT_SUBINDEX_MODEL = re.compile("#x([0-9a-fA-F]{0,2})$")
+LOCATION_MODEL = re.compile("(?:%[IQM](?:[XBWLD]?([0-9]+(?:\.[0-9]+)*)))$")
+
+class NodeVariablesSizer(wx.FlexGridSizer):
+    
+    def __init__(self, parent, controler, position_column=False):
+        wx.FlexGridSizer.__init__(self, cols=1, hgap=0, rows=2, vgap=5)
+        self.AddGrowableCol(0)
+        self.AddGrowableRow(1)
+        
+        self.Controler = controler
+        self.PositionColumn = position_column
+        
+        self.VariablesFilter = wx.ComboBox(parent)
+        self.VariablesFilter.Bind(wx.EVT_COMBOBOX, self.OnVariablesFilterChanged)
+        self.AddWindow(self.VariablesFilter, flag=wx.GROW)
+        
+        self.VariablesGrid = wx.gizmos.TreeListCtrl(parent, 
+                style=wx.TR_DEFAULT_STYLE |
+                      wx.TR_ROW_LINES |
+                      wx.TR_COLUMN_LINES |
+                      wx.TR_HIDE_ROOT |
+                      wx.TR_FULL_ROW_HIGHLIGHT)
+        self.VariablesGrid.GetMainWindow().Bind(wx.EVT_LEFT_DOWN,
             self.OnVariablesGridLeftClick)
-        main_sizer.AddWindow(self.VariablesGrid, border=10, 
-            flag=wx.GROW|wx.BOTTOM|wx.LEFT|wx.RIGHT)
-                
-        self.EthercatNodeEditor.SetSizer(main_sizer)
-
-        return self.EthercatNodeEditor
-    
-    def __init__(self, parent, controler, window):
-        ConfTreeNodeEditor.__init__(self, parent, controler, window)
-    
-        for colname, colsize, colalign in zip(GetVariablesTableColnames(),
-                                              [40, 150, 100, 100, 150, 100],
-                                              [wx.ALIGN_RIGHT, wx.ALIGN_LEFT, wx.ALIGN_RIGHT, 
-                                               wx.ALIGN_RIGHT, wx.ALIGN_LEFT, wx.ALIGN_LEFT]):
-            self.VariablesGrid.AddColumn(_(colname), colsize, colalign)
-        self.VariablesGrid.SetMainColumn(1)
-    
-    def GetBufferState(self):
-        return False, False
-        
+        self.AddWindow(self.VariablesGrid, flag=wx.GROW)
+        
+        self.Filters = []
+        for desc, value in VARIABLES_FILTERS:
+            self.VariablesFilter.Append(desc)
+            self.Filters.append(value)
+        
+        self.VariablesFilter.SetSelection(0)
+        self.CurrentFilter = self.Filters[0]
+        
+        if position_column:
+            for colname, colsize, colalign in zip(GetVariablesTableColnames(position_column),
+                                                  [40, 80, 350, 80, 100, 80, 80],
+                                                  [wx.ALIGN_RIGHT, wx.ALIGN_RIGHT, wx.ALIGN_LEFT, 
+                                                   wx.ALIGN_RIGHT, wx.ALIGN_RIGHT, wx.ALIGN_LEFT, 
+                                                   wx.ALIGN_LEFT]):
+                self.VariablesGrid.AddColumn(_(colname), colsize, colalign)
+            self.VariablesGrid.SetMainColumn(2)
+        else:
+            for colname, colsize, colalign in zip(GetVariablesTableColnames(),
+                                                  [40, 350, 80, 100, 80, 80],
+                                                  [wx.ALIGN_RIGHT, wx.ALIGN_LEFT, wx.ALIGN_RIGHT, 
+                                                   wx.ALIGN_RIGHT, wx.ALIGN_LEFT, wx.ALIGN_LEFT]):
+                self.VariablesGrid.AddColumn(_(colname), colsize, colalign)
+            self.VariablesGrid.SetMainColumn(1)
+    
     def RefreshView(self):
-        ConfTreeNodeEditor.RefreshView(self)
-    
-        self.RefreshSlaveInfos()
-        
-    def RefreshSlaveInfos(self):
-        slave_infos = self.Controler.GetSlaveInfos()
-        if slave_infos is not None:
-            self.RefreshVariablesGrid(slave_infos["entries"])
-        else:
-            self.RefreshVariablesGrid([])
+        entries = self.Controler.GetSlaveVariables(self.CurrentFilter)
+        self.RefreshVariablesGrid(entries)
     
     def RefreshVariablesGrid(self, entries):
         root = self.VariablesGrid.GetRootItem()
         if not root.IsOk():
-            root = self.VariablesGrid.AddRoot("Slave entries")
-        self.GenerateVariablesGridBranch(root, entries, GetVariablesTableColnames())
+            root = self.VariablesGrid.AddRoot(_("Slave entries"))
+        self.GenerateVariablesGridBranch(root, entries, GetVariablesTableColnames(self.PositionColumn))
         self.VariablesGrid.Expand(root)
         
     def GenerateVariablesGridBranch(self, root, entries, colnames, idx=0):
@@ -113,6 +125,8 @@
                     self.VariablesGrid.SetItemText(item, value, col)
             if entry["PDOMapping"] == "":
                 self.VariablesGrid.SetItemBackgroundColour(item, wx.LIGHT_GREY)
+            else:
+                self.VariablesGrid.SetItemBackgroundColour(item, wx.WHITE)
             self.VariablesGrid.SetItemPyData(item, entry)
             idx = self.GenerateVariablesGridBranch(item, entry["children"], colnames, idx)
             if not no_more_items:
@@ -128,70 +142,703 @@
                 self.VariablesGrid.Delete(item)
         
         return idx
-
+    
+    def OnVariablesFilterChanged(self, event):
+        filter = self.VariablesFilter.GetSelection()
+        if filter != -1:
+            self.CurrentFilter = self.Filters[filter]
+            self.RefreshView()
+        else:
+            try:
+                value = self.VariablesFilter.GetValue()
+                result = ETHERCAT_INDEX_MODEL.match(value)
+                if result is not None:
+                    value = result.group(1)
+                index = int(value)
+                self.CurrentFilter = (index, index)
+                self.RefreshView()
+            except:
+                pass
+        event.Skip()
+    
     def OnVariablesGridLeftClick(self, event):
         item, flags, col = self.VariablesGrid.HitTest(event.GetPosition())
         if item.IsOk():
             entry = self.VariablesGrid.GetItemPyData(item)
             data_type = entry.get("Type", "")
-            pdo_mapping = entry.get("PDOMapping", "")
+            data_size = self.Controler.GetSizeOfType(data_type)
             
-            if (col == -1 and pdo_mapping != "" and
-                self.Controler.GetSizeOfType(data_type) is not None):
-                
+            if col == -1 and data_size is not None:
+                pdo_mapping = entry.get("PDOMapping", "")
+                access = entry.get("Access", "")
                 entry_index = self.Controler.ExtractHexDecValue(entry.get("Index", "0"))
                 entry_subindex = self.Controler.ExtractHexDecValue(entry.get("SubIndex", "0"))
-                var_name = "%s_%4.4x_%2.2x" % (self.Controler.CTNName(), entry_index, entry_subindex)
-                if pdo_mapping == "R":
-                    dir = "%I"
+                if self.PositionColumn:
+                    slave_pos = self.Controler.ExtractHexDecValue(entry.get("Position", "0"))
                 else:
-                    dir = "%Q"
-                location = "%s%s" % (dir, self.Controler.GetSizeOfType(data_type)) + \
-                           ".".join(map(lambda x:str(x), self.Controler.GetCurrentLocation() + (self.Controler.GetSlavePos(), entry_index, entry_subindex)))
+                    slave_pos = self.Controler.GetSlavePos()
                 
-                data = wx.TextDataObject(str((location, "location", data_type, var_name, "")))
-                dragSource = wx.DropSource(self.VariablesGrid)
-                dragSource.SetData(data)
-                dragSource.DoDragDrop()
-                return
+                if pdo_mapping != "":
+                    var_name = "%s_%4.4x_%2.2x" % (self.Controler.CTNName(), entry_index, entry_subindex)
+                    if pdo_mapping == "R":
+                        dir = "%I"
+                    else:
+                        dir = "%Q"
+                    location = "%s%s" % (dir, data_size) + \
+                               ".".join(map(lambda x:str(x), self.Controler.GetCurrentLocation() + 
+                                                             (slave_pos, entry_index, entry_subindex)))
+                    
+                    data = wx.TextDataObject(str((location, "location", data_type, var_name, "", access)))
+                    dragSource = wx.DropSource(self.VariablesGrid)
+                    dragSource.SetData(data)
+                    dragSource.DoDragDrop()
+                    return
+                
+                elif self.ColumnPosition:
+                    location = self.Controler.GetCurrentLocation() +\
+                               (slave_pos, entry_index, entry_subindex)
+                    data = wx.TextDataObject(str((location, "variable", access)))
+                    dragSource = wx.DropSource(self.VariablesGrid)
+                    dragSource.SetData(data)
+                    dragSource.DoDragDrop()
+                    return
+        
+        event.Skip()
+
+class NodeEditor(ConfTreeNodeEditor):
+    
+    CONFNODEEDITOR_TABS = [
+        (_("Ethercat node"), "_create_EthercatNodeEditor")]
+    
+    def _create_EthercatNodeEditor(self, prnt):
+        self.EthercatNodeEditor = wx.Panel(prnt, style=wx.TAB_TRAVERSAL)
+        
+        main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)
+        main_sizer.AddGrowableCol(0)
+        main_sizer.AddGrowableRow(1)
+        
+        variables_label = wx.StaticText(self.EthercatNodeEditor,
+              label=_('Variable entries:'))
+        main_sizer.AddWindow(variables_label, border=10, flag=wx.TOP|wx.LEFT|wx.RIGHT)
+        
+        self.NodeVariables = NodeVariablesSizer(self.EthercatNodeEditor, self.Controler)
+        main_sizer.AddSizer(self.NodeVariables, border=10, 
+            flag=wx.GROW|wx.BOTTOM|wx.LEFT|wx.RIGHT)
+                
+        self.EthercatNodeEditor.SetSizer(main_sizer)
+
+        return self.EthercatNodeEditor
+    
+    def __init__(self, parent, controler, window):
+        ConfTreeNodeEditor.__init__(self, parent, controler, window)
+        
+    def GetBufferState(self):
+        return False, False
+        
+    def RefreshView(self):
+        ConfTreeNodeEditor.RefreshView(self)
+    
+        self.NodeVariables.RefreshView()
+
+CIA402NodeEditor = NodeEditor
+
+def GetProcessVariablesTableColnames():
+    _ = lambda x : x
+    return ["#", _("Name"), 
+            _("Read from (nodeid, index, subindex)"), 
+            _("Write to (nodeid, index, subindex)"),
+            _("Description")]
+
+class ProcessVariablesTable(CustomTable):
+    
+    def GetValue(self, row, col):
+        if row < self.GetNumberRows():
+            if col == 0:
+                return row + 1
+            colname = self.GetColLabelValue(col, False)
+            if colname.startswith("Read from"):
+                value = self.data[row].get("ReadFrom", "")
+                if value == "":
+                    return value
+                return "%d, #x%0.4x, #x%0.2x" % value
+            elif colname.startswith("Write to"):
+                value = self.data[row].get("WriteTo", "")
+                if value == "":
+                    return value
+                return "%d, #x%0.4x, #x%0.2x" % value
+            return self.data[row].get(colname, "")
+    
+    def SetValue(self, row, col, value):
+        if col < len(self.colnames):
+            colname = self.GetColLabelValue(col, False)
+            if colname.startswith("Read from"):
+                self.data[row]["ReadFrom"] = value
+            elif colname.startswith("Write to"):
+                self.data[row]["WriteTo"] = value
+            else:
+                self.data[row][colname] = value
+    
+    def _updateColAttrs(self, grid):
+        """
+        wx.grid.Grid -> update the column attributes to add the
+        appropriate renderer given the column name.
+
+        Otherwise default to the default renderer.
+        """
+        for row in range(self.GetNumberRows()):
+            for col in range(self.GetNumberCols()):
+                editor = None
+                renderer = None
+                colname = self.GetColLabelValue(col, False)
+                if colname in ["Name", "Description"]:
+                    editor = wx.grid.GridCellTextEditor()
+                    renderer = wx.grid.GridCellStringRenderer()
+                    grid.SetReadOnly(row, col, False)
+                else:
+                    grid.SetReadOnly(row, col, True)
+                
+                grid.SetCellEditor(row, col, editor)
+                grid.SetCellRenderer(row, col, renderer)
+                
+            self.ResizeRow(grid, row)
+
+class ProcessVariableDropTarget(wx.TextDropTarget):
+    
+    def __init__(self, parent):
+        wx.TextDropTarget.__init__(self)
+        self.ParentWindow = parent
+    
+    def OnDropText(self, x, y, data):
+        self.ParentWindow.Select()
+        x, y = self.ParentWindow.ProcessVariablesGrid.CalcUnscrolledPosition(x, y)
+        col = self.ParentWindow.ProcessVariablesGrid.XToCol(x)
+        row = self.ParentWindow.ProcessVariablesGrid.YToRow(y - self.ParentWindow.ProcessVariablesGrid.GetColLabelSize())
+        message = None
+        try:
+            values = eval(data)
+        except:
+            message = _("Invalid value \"%s\" for process variable")%data
+            values = None
+        if not isinstance(values, TupleType):
+            message = _("Invalid value \"%s\" for process variable")%data
+            values = None
+        if values is not None and 2 <= col <= 3:
+            location = None
+            if values[1] == "location":
+                result = LOCATION_MODEL.match(values[0])
+                if result is not None:
+                    location = map(int, result.group(1).split('.'))
+                master_location = self.ParentWindow.GetMasterLocation()
+                if (master_location == tuple(location[:len(master_location)]) and 
+                    len(location) - len(master_location) == 3):
+                    if col == 2:
+                        self.ParentWindow.ProcessVariablesTable.SetValueByName(
+                            row, "ReadFrom", tuple(location[len(master_location):]))
+                    else:
+                        self.ParentWindow.ProcessVariablesTable.SetValueByName(
+                            row, "WriteTo", tuple(location[len(master_location):]))
+                    self.ParentWindow.SaveProcessVariables()
+                    self.ParentWindow.RefreshProcessVariables()
+                else:
+                    message = _("Invalid value \"%s\" for process variable")%data
+                    
+        if message is not None:
+            wx.CallAfter(self.ShowMessage, message)
+    
+    def ShowMessage(self, message):
+        message = wx.MessageDialog(self.ParentWindow, message, _("Error"), wx.OK|wx.ICON_ERROR)
+        message.ShowModal()
+        message.Destroy()
+
+def GetStartupCommandsTableColnames():
+    _ = lambda x : x
+    return [_("Position"), _("Index"), _("Subindex"), _("Value"), _("Description")]
+
+class StartupCommandDropTarget(wx.TextDropTarget):
+    
+    def __init__(self, parent):
+        wx.TextDropTarget.__init__(self)
+        self.ParentWindow = parent
+    
+    def OnDropText(self, x, y, data):
+        self.ParentWindow.Select()
+        message = None
+        try:
+            values = eval(data)
+        except:
+            message = _("Invalid value \"%s\" for startup command")%data
+            values = None
+        if not isinstance(values, TupleType):
+            message = _("Invalid value \"%s\" for startup command")%data
+            values = None
+        if values is not None:
+            location = None
+            if values[1] == "location":
+                result = LOCATION_MODEL.match(values[0])
+                if result is not None:
+                    location = map(int, result.group(1).split('.'))
+                    access = values[5]
+            elif values[1] == "variable":
+                location = values[0]
+                access = values[2]
+            if location is not None:
+                master_location = self.ParentWindow.GetMasterLocation()
+                if (master_location == tuple(location[:len(master_location)]) and 
+                    len(location) - len(master_location) == 3):
+                    if access in ["wo", "rw"]:
+                        self.ParentWindow.AddStartupCommand(*location[len(master_location):])
+                    else:
+                        message = _("Entry can't be write through SDO")
+                else:
+                    message = _("Invalid value \"%s\" for startup command")%data
+                    
+        if message is not None:
+            wx.CallAfter(self.ShowMessage, message)
+    
+    def ShowMessage(self, message):
+        message = wx.MessageDialog(self.ParentWindow, message, _("Error"), wx.OK|wx.ICON_ERROR)
+        message.ShowModal()
+        message.Destroy()
+
+class StartupCommandsTable(CustomTable):
+
+    """
+    A custom wx.grid.Grid Table using user supplied data
+    """
+    def __init__(self, parent, data, colnames):
+        # The base class must be initialized *first*
+        CustomTable.__init__(self, parent, data, colnames)
+        self.old_value = None
+
+    def GetValue(self, row, col):
+        if row < self.GetNumberRows():
+            colname = self.GetColLabelValue(col, False)
+            value = self.data[row].get(colname, "")
+            if colname == "Index":
+                return "#x%0.4x" % value
+            elif colname == "Subindex":
+                return "#x%0.2x" % value
+            return value
+    
+    def SetValue(self, row, col, value):
+        if col < len(self.colnames):
+            colname = self.GetColLabelValue(col, False)
+            if colname in ["Index", "Subindex"]:
+                if colname == "Index":
+                    result = ETHERCAT_INDEX_MODEL.match(value)
+                else:
+                    result = ETHERCAT_SUBINDEX_MODEL.match(value)
+                if result is None:
+                    return
+                value = int(result.group(1), 16)
+            elif colname == "Value":
+                value = int(value)
+            elif colname == "Position":
+                self.old_value = self.data[row][colname]
+                value = int(value)
+            self.data[row][colname] = value
+    
+    def GetOldValue(self):
+        return self.old_value
+    
+    def _updateColAttrs(self, grid):
+        """
+        wx.grid.Grid -> update the column attributes to add the
+        appropriate renderer given the column name.
+
+        Otherwise default to the default renderer.
+        """
+        for row in range(self.GetNumberRows()):
+            for col in range(self.GetNumberCols()):
+                editor = None
+                renderer = None
+                colname = self.GetColLabelValue(col, False)
+                if colname in ["Position", "Value"]:
+                    editor = wx.grid.GridCellNumberEditor()
+                    renderer = wx.grid.GridCellNumberRenderer()
+                else:
+                    editor = wx.grid.GridCellTextEditor()
+                    renderer = wx.grid.GridCellStringRenderer()
+                
+                grid.SetCellEditor(row, col, editor)
+                grid.SetCellRenderer(row, col, renderer)
+                grid.SetReadOnly(row, col, False)
+                
+            self.ResizeRow(grid, row)
+    
+    def GetCommandIndex(self, position, command_idx):
+        for row, command in enumerate(self.data):
+            if command["Position"] == position and command["command_idx"] == command_idx:
+                return row
+        return None
+
+class MasterNodesVariablesSizer(NodeVariablesSizer):
+    
+    def __init__(self, parent, controler):
+        NodeVariablesSizer.__init__(self, parent, controler, True)
+        
+        self.CurrentNodesFilter = {}
+    
+    def SetCurrentNodesFilter(self, nodes_filter):
+        self.CurrentNodesFilter = nodes_filter
+        
+    def RefreshView(self):
+        if self.CurrentNodesFilter is not None:
+            args = self.CurrentNodesFilter.copy()
+            args["limits"] = self.CurrentFilter
+            entries = self.Controler.GetNodesVariables(**args)
+            self.RefreshVariablesGrid(entries)
+
+class MasterEditor(ConfTreeNodeEditor):
+    
+    CONFNODEEDITOR_TABS = [
+        (_("Network"), "_create_EthercatMasterEditor")]
+    
+    def _create_EthercatMasterEditor(self, prnt):
+        self.EthercatMasterEditor = wx.ScrolledWindow(prnt, 
+            style=wx.TAB_TRAVERSAL|wx.HSCROLL|wx.VSCROLL)
+        self.EthercatMasterEditor.Bind(wx.EVT_SIZE, self.OnResize)
+        
+        main_sizer = wx.BoxSizer(wx.VERTICAL)
+        
+        self.NodesFilter = wx.ComboBox(self.EthercatMasterEditor,
+            style=wx.TE_PROCESS_ENTER)
+        self.Bind(wx.EVT_COMBOBOX, self.OnNodesFilterChanged, self.NodesFilter)
+        self.Bind(wx.EVT_TEXT_ENTER, self.OnNodesFilterChanged, self.NodesFilter)
+        
+        process_variables_header = wx.BoxSizer(wx.HORIZONTAL)
+        
+        process_variables_label = wx.StaticText(self.EthercatMasterEditor,
+              label=_("Process variables mapped between nodes:"))
+        process_variables_header.AddWindow(process_variables_label, 1,
+              flag=wx.ALIGN_CENTER_VERTICAL)
+        
+        for name, bitmap, help in [
+                ("AddVariableButton", "add_element", _("Add process variable")),
+                ("DeleteVariableButton", "remove_element", _("Remove process variable")),
+                ("UpVariableButton", "up", _("Move process variable up")),
+                ("DownVariableButton", "down", _("Move process variable down"))]:
+            button = wx.lib.buttons.GenBitmapButton(self.EthercatMasterEditor, bitmap=GetBitmap(bitmap), 
+                  size=wx.Size(28, 28), style=wx.NO_BORDER)
+            button.SetToolTipString(help)
+            setattr(self, name, button)
+            process_variables_header.AddWindow(button, border=5, flag=wx.LEFT)
+        
+        self.ProcessVariablesGrid = CustomGrid(self.EthercatMasterEditor, style=wx.VSCROLL)
+        self.ProcessVariablesGrid.SetMinSize(wx.Size(0, 150))
+        self.ProcessVariablesGrid.SetDropTarget(ProcessVariableDropTarget(self))
+        self.ProcessVariablesGrid.Bind(wx.grid.EVT_GRID_CELL_CHANGE, 
+              self.OnProcessVariablesGridCellChange)
+        self.ProcessVariablesGrid.Bind(wx.grid.EVT_GRID_CELL_LEFT_CLICK, 
+              self.OnProcessVariablesGridCellLeftClick)
+        
+        startup_commands_header = wx.BoxSizer(wx.HORIZONTAL)
+        
+        startup_commands_label = wx.StaticText(self.EthercatMasterEditor,
+              label=_("Startup service variables assignments:"))
+        startup_commands_header.AddWindow(startup_commands_label, 1,
+              flag=wx.ALIGN_CENTER_VERTICAL)
+        
+        for name, bitmap, help in [
+                ("AddCommandButton", "add_element", _("Add startup service variable")),
+                ("DeleteCommandButton", "remove_element", _("Remove startup service variable"))]:
+            button = wx.lib.buttons.GenBitmapButton(self.EthercatMasterEditor, bitmap=GetBitmap(bitmap), 
+                  size=wx.Size(28, 28), style=wx.NO_BORDER)
+            button.SetToolTipString(help)
+            setattr(self, name, button)
+            startup_commands_header.AddWindow(button, border=5, flag=wx.LEFT)
+        
+        self.StartupCommandsGrid = CustomGrid(self.EthercatMasterEditor, style=wx.VSCROLL)
+        self.StartupCommandsGrid.SetDropTarget(StartupCommandDropTarget(self))
+        self.StartupCommandsGrid.SetMinSize(wx.Size(0, 150))
+        self.StartupCommandsGrid.Bind(wx.grid.EVT_GRID_CELL_CHANGE, 
+              self.OnStartupCommandsGridCellChange)
+        
+        second_staticbox = wx.StaticBox(self.EthercatMasterEditor, label=_("Nodes variables filter:"))
+        second_staticbox_sizer = wx.StaticBoxSizer(second_staticbox, wx.VERTICAL)
+        
+        self.NodesVariables = MasterNodesVariablesSizer(self.EthercatMasterEditor, self.Controler)
+        second_staticbox_sizer.AddSizer(self.NodesVariables, 1, border=5, flag=wx.GROW|wx.ALL)
+        
+        main_staticbox = wx.StaticBox(self.EthercatMasterEditor, label=_("Node filter:"))
+        staticbox_sizer = wx.StaticBoxSizer(main_staticbox, wx.VERTICAL)
+        main_sizer.AddSizer(staticbox_sizer, border=10, flag=wx.GROW|wx.ALL)
+        main_staticbox_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=5, vgap=0)
+        main_staticbox_sizer.AddGrowableCol(0)
+        main_staticbox_sizer.AddGrowableRow(1)
+        main_staticbox_sizer.AddGrowableRow(3)
+        staticbox_sizer.AddSizer(main_staticbox_sizer, 1, flag=wx.GROW)
+        main_staticbox_sizer.AddWindow(self.NodesFilter, border=5, flag=wx.GROW|wx.ALL)
+        main_staticbox_sizer.AddSizer(process_variables_header, border=5, 
+              flag=wx.GROW|wx.LEFT|wx.RIGHT|wx.BOTTOM)
+        main_staticbox_sizer.AddWindow(self.ProcessVariablesGrid, 1, 
+              border=5, flag=wx.GROW|wx.LEFT|wx.RIGHT|wx.BOTTOM)
+        main_staticbox_sizer.AddSizer(startup_commands_header, 
+              border=5, flag=wx.GROW|wx.LEFT|wx.RIGHT|wx.BOTTOM)
+        main_staticbox_sizer.AddWindow(self.StartupCommandsGrid, 1, 
+              border=5, flag=wx.GROW|wx.LEFT|wx.RIGHT|wx.BOTTOM)
+        main_staticbox_sizer.AddSizer(second_staticbox_sizer, 1, 
+            border=5, flag=wx.GROW|wx.LEFT|wx.RIGHT|wx.BOTTOM)
+        
+        self.EthercatMasterEditor.SetSizer(main_sizer)
+        
+        return self.EthercatMasterEditor
+
+    def __init__(self, parent, controler, window):
+        ConfTreeNodeEditor.__init__(self, parent, controler, window)
+    
+        self.ProcessVariablesDefaultValue = {"Name": "", "ReadFrom": "", "WriteTo": "", "Description": ""}
+        self.ProcessVariablesTable = ProcessVariablesTable(self, [], GetProcessVariablesTableColnames())
+        self.ProcessVariablesColSizes = [40, 100, 150, 150, 200]
+        self.ProcessVariablesColAlignements = [wx.ALIGN_CENTER, wx.ALIGN_LEFT, wx.ALIGN_LEFT, wx.ALIGN_LEFT, wx.ALIGN_LEFT]
+        
+        self.ProcessVariablesGrid.SetTable(self.ProcessVariablesTable)
+        self.ProcessVariablesGrid.SetButtons({"Add": self.AddVariableButton,
+                                              "Delete": self.DeleteVariableButton,
+                                              "Up": self.UpVariableButton,
+                                              "Down": self.DownVariableButton})
+        
+        def _AddVariablesElement(new_row):
+            self.ProcessVariablesTable.InsertRow(new_row, self.ProcessVariablesDefaultValue.copy())
+            self.SaveProcessVariables()
+            self.ProcessVariablesTable.ResetView(self.ProcessVariablesGrid)
+            return new_row
+        setattr(self.ProcessVariablesGrid, "_AddRow", _AddVariablesElement)
+        
+        def _DeleteVariablesElement(row):
+            self.ProcessVariablesTable.RemoveRow(row)
+            self.SaveProcessVariables()
+            self.ProcessVariablesTable.ResetView(self.ProcessVariablesGrid)
+        setattr(self.ProcessVariablesGrid, "_DeleteRow", _DeleteVariablesElement)
             
+        def _MoveVariablesElement(row, move):
+            new_row = self.ProcessVariablesTable.MoveRow(row, move)
+            if new_row != row:
+                self.SaveProcessVariables()
+                self.ProcessVariablesTable.ResetView(self.ProcessVariablesGrid)
+            return new_row
+        setattr(self.ProcessVariablesGrid, "_MoveRow", _MoveVariablesElement)
+        
+        self.ProcessVariablesGrid.SetRowLabelSize(0)
+        for col in range(self.ProcessVariablesTable.GetNumberCols()):
+            attr = wx.grid.GridCellAttr()
+            attr.SetAlignment(self.ProcessVariablesColAlignements[col], wx.ALIGN_CENTRE)
+            self.ProcessVariablesGrid.SetColAttr(col, attr)
+            self.ProcessVariablesGrid.SetColMinimalWidth(col, self.ProcessVariablesColSizes[col])
+            self.ProcessVariablesGrid.AutoSizeColumn(col, False)
+        self.ProcessVariablesGrid.RefreshButtons()
+    
+        self.StartupCommandsDefaultValue = {"Position": 0, "Index": 0, "Subindex": 0, "Value": 0, "Description": ""}
+        self.StartupCommandsTable = StartupCommandsTable(self, [], GetStartupCommandsTableColnames())
+        self.StartupCommandsColSizes = [100, 100, 50, 100, 200]
+        self.StartupCommandsColAlignements = [wx.ALIGN_CENTER, wx.ALIGN_RIGHT, wx.ALIGN_RIGHT, wx.ALIGN_RIGHT, wx.ALIGN_LEFT]
+        
+        self.StartupCommandsGrid.SetTable(self.StartupCommandsTable)
+        self.StartupCommandsGrid.SetButtons({"Add": self.AddCommandButton,
+                                             "Delete": self.DeleteCommandButton})
+        
+        def _AddCommandsElement(new_row):
+            command = self.StartupCommandsDefaultValue.copy()
+            command_idx = self.Controler.AppendStartupCommand(command)
+            self.RefreshStartupCommands()
+            self.RefreshBuffer()
+            return self.StartupCommandsTable.GetCommandIndex(command["Position"], command_idx)
+        setattr(self.StartupCommandsGrid, "_AddRow", _AddCommandsElement)
+        
+        def _DeleteCommandsElement(row):
+            command = self.StartupCommandsTable.GetRow(row)
+            self.Controler.RemoveStartupCommand(command["Position"], command["command_idx"])
+            self.RefreshStartupCommands()
+            self.RefreshBuffer()
+        setattr(self.StartupCommandsGrid, "_DeleteRow", _DeleteCommandsElement)
+            
+        self.StartupCommandsGrid.SetRowLabelSize(0)
+        for col in range(self.StartupCommandsTable.GetNumberCols()):
+            attr = wx.grid.GridCellAttr()
+            attr.SetAlignment(self.StartupCommandsColAlignements[col], wx.ALIGN_CENTRE)
+            self.StartupCommandsGrid.SetColAttr(col, attr)
+            self.StartupCommandsGrid.SetColMinimalWidth(col, self.StartupCommandsColSizes[col])
+            self.StartupCommandsGrid.AutoSizeColumn(col, False)
+        self.StartupCommandsGrid.RefreshButtons()
+    
+    def RefreshBuffer(self):
+        self.ParentWindow.RefreshTitle()
+        self.ParentWindow.RefreshFileMenu()
+        self.ParentWindow.RefreshEditMenu()
+        self.ParentWindow.RefreshPageTitles()
+    
+    def RefreshView(self):
+        ConfTreeNodeEditor.RefreshView(self)
+        
+        self.RefreshNodesFilter()
+        self.RefreshProcessVariables()
+        self.RefreshStartupCommands()
+        self.NodesVariables.RefreshView()
+    
+    def RefreshNodesFilter(self):
+        value = self.NodesFilter.GetValue()
+        self.NodesFilter.Clear()
+        self.NodesFilter.Append(_("All"))
+        self.NodesFilterValues = [{}]
+        for vendor_id, vendor_name in self.Controler.GetLibraryVendors():
+            self.NodesFilter.Append(_("%s's nodes") % vendor_name)
+            self.NodesFilterValues.append({"vendor": vendor_id})
+        self.NodesFilter.Append(_("CIA402 nodes"))
+        self.NodesFilterValues.append({"slave_profile": 402})
+        if value in self.NodesFilter.GetStrings():
+            self.NodesFilter.SetStringSelection(value)
+        else:
+            try:
+                int(value)
+                self.NodesFilter.SetValue(value)
+            except:
+                self.NodesFilter.SetSelection(0)
+        self.RefreshCurrentNodesFilter()
+    
+    def RefreshCurrentNodesFilter(self):
+        filter = self.NodesFilter.GetSelection()
+        if filter != -1:
+            self.CurrentNodesFilter = self.NodesFilterValues[filter]
+        else:
+            try:
+                self.CurrentNodesFilter = {"slave_pos": int(self.NodesFilter.GetValue())}
+            except:
+                self.CurrentNodesFilter = None
+        self.NodesVariables.SetCurrentNodesFilter(self.CurrentNodesFilter)
+    
+    def RefreshProcessVariables(self):
+        self.ProcessVariablesTable.SetData(
+            self.Controler.GetProcessVariables())
+        self.ProcessVariablesTable.ResetView(self.ProcessVariablesGrid)
+    
+    def SaveProcessVariables(self):
+        self.Controler.SetProcessVariables(
+            self.ProcessVariablesTable.GetData())
+        self.RefreshBuffer()
+    
+    def RefreshStartupCommands(self):
+        if self.CurrentNodesFilter is not None:
+            self.StartupCommandsTable.SetData(
+                self.Controler.GetStartupCommands(**self.CurrentNodesFilter))
+            self.StartupCommandsTable.ResetView(self.StartupCommandsGrid)
+    
+    def SelectStartupCommand(self, position, command_idx):
+        self.StartupCommandsGrid.SetSelectedRow(
+            self.StartupCommandsTable.GetCommandIndex(position, command_idx))
+    
+    def GetMasterLocation(self):
+        return self.Controler.GetCurrentLocation()
+    
+    def AddStartupCommand(self, position, index, subindex):
+        command = self.StartupCommandsDefaultValue.copy()
+        command["Position"] = position
+        command["Index"] = index
+        command["Subindex"] = subindex
+        command_idx = self.Controler.AppendStartupCommand(command)
+        self.RefreshStartupCommands()
+        self.RefreshBuffer()
+        self.StartupCommandsGrid.SetSelectedRow(
+            self.StartupCommandsTable.GetCommandIndex(position, command_idx))
+    
+    def OnNodesFilterChanged(self, event):
+        self.RefreshCurrentNodesFilter()
+        if self.CurrentNodesFilter is not None:
+            self.RefreshStartupCommands()
+            self.NodesVariables.RefreshView()
         event.Skip()
-
-CIA402NodeEditor = NodeEditor
-
-
+    
+    def OnProcessVariablesGridCellChange(self, event):
+        row, col = event.GetRow(), event.GetCol()
+        colname = self.ProcessVariablesTable.GetColLabelValue(col, False)
+        value = self.ProcessVariablesTable.GetValue(row, col)
+        message = None
+        if colname == "Name":
+            if not TestIdentifier(value):
+                message = _("\"%s\" is not a valid identifier!") % value
+            elif value.upper() in IEC_KEYWORDS:
+                message = _("\"%s\" is a keyword. It can't be used!") % value
+            elif value.upper() in [var["Name"].upper() for idx, var in enumerate(self.ProcessVariablesTable.GetData()) if idx != row]:
+                message = _("An variable named \"%s\" already exists!") % value
+        if message is None:
+            self.SaveProcessVariables()
+            wx.CallAfter(self.ProcessVariablesTable.ResetView, self.ProcessVariablesGrid)
+            event.Skip()
+        else:
+            dialog = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR)
+            dialog.ShowModal()
+            dialog.Destroy()
+            event.Veto()
+        
+    def OnProcessVariablesGridCellLeftClick(self, event):
+        event.Skip()
+    
+    def OnStartupCommandsGridCellChange(self, event):
+        row, col = event.GetRow(), event.GetCol()
+        colname = self.StartupCommandsTable.GetColLabelValue(col, False)
+        value = self.StartupCommandsTable.GetValue(row, col)
+        message = None
+        if colname == "Position":
+            if value not in self.Controler.GetSlaves():
+                message = _("No slave defined at position %d!") % value
+            if message is None:
+                self.Controler.RemoveStartupCommand(
+                    self.StartupCommandsTable.GetOldValue(),
+                    self.StartupCommandsTable.GetValueByName(row, "command_idx"))
+                command = self.StartupCommandsTable.GetRow(row)
+                command_idx = self.Controler.AppendStartupCommand(command)
+                wx.CallAfter(self.RefreshStartupCommands)
+                wx.CallAfter(self.SelectStartupCommand, command["Position"], command_idx)
+        else:
+            self.Controler.SetStartupCommandInfos(self.StartupCommandsTable.GetRow(row))
+        if message is None:
+            self.RefreshBuffer()
+            event.Skip()
+        else:
+            dialog = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR)
+            dialog.ShowModal()
+            dialog.Destroy()
+            event.Veto()
+        
+    def OnResize(self, event):
+        self.EthercatMasterEditor.GetBestSize()
+        xstart, ystart = self.EthercatMasterEditor.GetViewStart()
+        window_size = self.EthercatMasterEditor.GetClientSize()
+        maxx, maxy = self.EthercatMasterEditor.GetMinSize()
+        posx = max(0, min(xstart, (maxx - window_size[0]) / SCROLLBAR_UNIT))
+        posy = max(0, min(ystart, (maxy - window_size[1]) / SCROLLBAR_UNIT))
+        self.EthercatMasterEditor.Scroll(posx, posy)
+        self.EthercatMasterEditor.SetScrollbars(SCROLLBAR_UNIT, SCROLLBAR_UNIT, 
+                maxx / SCROLLBAR_UNIT, maxy / SCROLLBAR_UNIT, posx, posy)
+        event.Skip()
+    
 def GetModulesTableColnames():
     _ = lambda x : x
     return [_("Name"), _("PDO alignment (bits)")]
 
-class LibraryEditorPanel(wx.ScrolledWindow):
+class LibraryEditorSizer(wx.FlexGridSizer):
     
     def __init__(self, parent, module_library, buttons):
-        wx.ScrolledWindow.__init__(self, parent,
-            style=wx.TAB_TRAVERSAL|wx.HSCROLL|wx.VSCROLL)
-        self.Bind(wx.EVT_SIZE, self.OnResize)
+        wx.FlexGridSizer.__init__(self, cols=1, hgap=0, rows=4, vgap=5)
         
         self.ModuleLibrary = module_library
     
-        main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=4, vgap=5)
-        main_sizer.AddGrowableCol(0)
-        main_sizer.AddGrowableRow(1)
-        main_sizer.AddGrowableRow(3)
-        
-        ESI_files_label = wx.StaticText(self, 
+        self.AddGrowableCol(0)
+        self.AddGrowableRow(1)
+        self.AddGrowableRow(3)
+        
+        ESI_files_label = wx.StaticText(parent, 
             label=_("ESI Files:"))
-        main_sizer.AddWindow(ESI_files_label, border=10, 
+        self.AddWindow(ESI_files_label, border=10, 
             flag=wx.TOP|wx.LEFT|wx.RIGHT)
         
         folder_tree_sizer = wx.FlexGridSizer(cols=2, hgap=5, rows=1, vgap=0)
         folder_tree_sizer.AddGrowableCol(0)
         folder_tree_sizer.AddGrowableRow(0)
-        main_sizer.AddSizer(folder_tree_sizer, border=10, 
+        self.AddSizer(folder_tree_sizer, border=10, 
             flag=wx.GROW|wx.LEFT|wx.RIGHT)
         
-        self.ESIFiles = FolderTree(self, self.GetPath(), editable=False)
+        self.ESIFiles = FolderTree(parent, self.GetPath(), editable=False)
         self.ESIFiles.SetFilter(".xml")
-        self.ESIFiles.SetMinSize(wx.Size(600, 300))
         folder_tree_sizer.AddWindow(self.ESIFiles, flag=wx.GROW)
         
         buttons_sizer = wx.BoxSizer(wx.VERTICAL)
@@ -199,7 +846,7 @@
             flag=wx.ALIGN_CENTER_VERTICAL)
         
         for idx, (name, bitmap, help, callback) in enumerate(buttons):
-            button = wx.lib.buttons.GenBitmapButton(self, 
+            button = wx.lib.buttons.GenBitmapButton(parent, 
                   bitmap=GetBitmap(bitmap), 
                   size=wx.Size(28, 28), style=wx.NO_BORDER)
             button.SetToolTipString(help)
@@ -211,28 +858,25 @@
             if callback is None:
                 callback = getattr(self, "On" + name, None)
             if callback is not None:
-                self.Bind(wx.EVT_BUTTON, callback, button)
+                parent.Bind(wx.EVT_BUTTON, callback, button)
             buttons_sizer.AddWindow(button, border=10, flag=flag)
         
-        modules_label = wx.StaticText(self, 
+        modules_label = wx.StaticText(parent, 
             label=_("Modules library:"))
-        main_sizer.AddSizer(modules_label, border=10, 
+        self.AddSizer(modules_label, border=10, 
             flag=wx.LEFT|wx.RIGHT)
         
-        self.ModulesGrid = wx.gizmos.TreeListCtrl(self,
+        self.ModulesGrid = wx.gizmos.TreeListCtrl(parent,
               style=wx.TR_DEFAULT_STYLE |
                     wx.TR_ROW_LINES |
                     wx.TR_COLUMN_LINES |
                     wx.TR_HIDE_ROOT |
                     wx.TR_FULL_ROW_HIGHLIGHT)
-        self.ModulesGrid.SetMinSize(wx.Size(600, 300))
         self.ModulesGrid.GetMainWindow().Bind(wx.EVT_LEFT_DCLICK,
             self.OnModulesGridLeftDClick)
-        main_sizer.AddWindow(self.ModulesGrid, border=10, 
+        self.AddWindow(self.ModulesGrid, border=10, 
             flag=wx.GROW|wx.BOTTOM|wx.LEFT|wx.RIGHT)
         
-        self.SetSizer(main_sizer)
-        
         for colname, colsize, colalign in zip(GetModulesTableColnames(),
                                               [400, 150],
                                               [wx.ALIGN_LEFT, wx.ALIGN_RIGHT]):
@@ -242,6 +886,10 @@
     def GetPath(self):
         return self.ModuleLibrary.GetPath()
     
+    def SetControlMinSize(self, size):
+        self.ESIFiles.SetMinSize(size)
+        self.ModulesGrid.SetMinSize(size)
+        
     def GetSelectedFilePath(self):
         return self.ESIFiles.GetPath()
     
@@ -349,18 +997,6 @@
                 dialog.Destroy()
         
         event.Skip()
-    
-    def OnResize(self, event):
-        self.GetBestSize()
-        xstart, ystart = self.GetViewStart()
-        window_size = self.GetClientSize()
-        maxx, maxy = self.GetMinSize()
-        posx = max(0, min(xstart, (maxx - window_size[0]) / SCROLLBAR_UNIT))
-        posy = max(0, min(ystart, (maxy - window_size[1]) / SCROLLBAR_UNIT))
-        self.Scroll(posx, posy)
-        self.SetScrollbars(SCROLLBAR_UNIT, SCROLLBAR_UNIT, 
-                maxx / SCROLLBAR_UNIT, maxy / SCROLLBAR_UNIT, posx, posy)
-        event.Skip()
 
 class DatabaseManagementDialog(wx.Dialog):
     
@@ -373,10 +1009,11 @@
         main_sizer.AddGrowableCol(0)
         main_sizer.AddGrowableRow(0)
         
-        self.DatabaseEditor = LibraryEditorPanel(self, database,
+        self.DatabaseSizer = LibraryEditorSizer(self, database,
             [("ImportButton", "ImportESI", _("Import file to ESI files database"), None),
              ("DeleteButton", "remove_element", _("Remove file from database"), None)])
-        main_sizer.AddWindow(self.DatabaseEditor, border=10,
+        self.DatabaseSizer.SetControlMinSize(wx.Size(0, 0))
+        main_sizer.AddSizer(self.DatabaseSizer, border=10,
             flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT)
         
         button_sizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE)
@@ -387,10 +1024,10 @@
         
         self.SetSizer(main_sizer)
         
-        self.DatabaseEditor.RefreshView()
+        self.DatabaseSizer.RefreshView()
         
     def GetValue(self):
-        return self.DatabaseEditor.GetSelectedFilePath()
+        return self.DatabaseSizer.GetSelectedFilePath()
 
 class LibraryEditor(ConfTreeNodeEditor):
     
@@ -398,11 +1035,17 @@
         (_("Modules Library"), "_create_ModuleLibraryEditor")]
     
     def _create_ModuleLibraryEditor(self, prnt):
-        self.ModuleLibraryEditor = LibraryEditorPanel(prnt,
+        self.ModuleLibraryEditor = wx.ScrolledWindow(prnt,
+            style=wx.TAB_TRAVERSAL|wx.HSCROLL|wx.VSCROLL)
+        self.ModuleLibraryEditor.Bind(wx.EVT_SIZE, self.OnResize)
+        
+        self.ModuleLibrarySizer = LibraryEditorSizer(self.ModuleLibraryEditor,
             self.Controler.GetModulesLibraryInstance(),
             [("ImportButton", "ImportESI", _("Import ESI file"), None),
              ("AddButton", "ImportDatabase", _("Add file from ESI files database"), self.OnAddButton),
              ("DeleteButton", "remove_element", _("Remove file from library"), None)])
+        self.ModuleLibrarySizer.SetControlMinSize(wx.Size(0, 200))
+        self.ModuleLibraryEditor.SetSizer(self.ModuleLibrarySizer)
         
         return self.ModuleLibraryEditor
 
@@ -413,7 +1056,7 @@
     
     def RefreshView(self):
         ConfTreeNodeEditor.RefreshView(self)
-        self.ModuleLibraryEditor.RefreshView()
+        self.ModuleLibrarySizer.RefreshView()
 
     def OnAddButton(self, event):
         dialog = DatabaseManagementDialog(self, 
@@ -425,7 +1068,20 @@
             
         dialog.Destroy()
         
-        wx.CallAfter(self.ModuleLibraryEditor.RefreshView)
+        wx.CallAfter(self.ModuleLibrarySizer.RefreshView)
         
         event.Skip()
 
+    def OnResize(self, event):
+        self.ModuleLibraryEditor.GetBestSize()
+        xstart, ystart = self.ModuleLibraryEditor.GetViewStart()
+        window_size = self.ModuleLibraryEditor.GetClientSize()
+        maxx, maxy = self.ModuleLibraryEditor.GetMinSize()
+        posx = max(0, min(xstart, (maxx - window_size[0]) / SCROLLBAR_UNIT))
+        posy = max(0, min(ystart, (maxy - window_size[1]) / SCROLLBAR_UNIT))
+        self.ModuleLibraryEditor.Scroll(posx, posy)
+        self.ModuleLibraryEditor.SetScrollbars(SCROLLBAR_UNIT, SCROLLBAR_UNIT, 
+                maxx / SCROLLBAR_UNIT, maxy / SCROLLBAR_UNIT, posx, posy)
+        event.Skip()
+        
+
--- a/etherlab/etherlab.py	Wed Feb 27 22:40:45 2013 +0100
+++ b/etherlab/etherlab.py	Tue Mar 05 00:59:34 2013 +0100
@@ -9,7 +9,7 @@
 from POULibrary import POULibrary
 from ConfigTreeNode import ConfigTreeNode
 from PLCControler import UndoBuffer, LOCATION_CONFNODE, LOCATION_MODULE, LOCATION_GROUP, LOCATION_VAR_INPUT, LOCATION_VAR_OUTPUT, LOCATION_VAR_MEMORY
-from ConfigEditor import NodeEditor, CIA402NodeEditor, LibraryEditor, ETHERCAT_VENDOR, ETHERCAT_GROUP, ETHERCAT_DEVICE
+from ConfigEditor import NodeEditor, CIA402NodeEditor, MasterEditor, LibraryEditor, ETHERCAT_VENDOR, ETHERCAT_GROUP, ETHERCAT_DEVICE
 
 try:
     from MotionLibrary import Headers, AxisXSD
@@ -161,6 +161,9 @@
     def GetSlaveInfos(self):
         return self.CTNParent.GetSlaveInfos(self.GetSlavePos())
     
+    def GetSlaveVariables(self, limits):
+        return self.CTNParent.GetSlaveVariables(self.GetSlavePos(), limits)
+    
     def GetVariableLocationTree(self):
         return  {"name": self.BaseParams.getName(),
                  "type": LOCATION_CONFNODE,
@@ -470,6 +473,11 @@
     else:
         raise ValueError, "Not supported base"
 
+def sort_commands(x, y):
+    if x["Index"] == y["Index"]:
+        return cmp(x["Subindex"], y["Subindex"])
+    return cmp(x["Index"], y["Index"])
+
 cls = EtherCATConfigClasses.get("Config_Slave", None)
 if cls:
     
@@ -488,37 +496,146 @@
         slave_info.setProductCode(ExtractHexDecValue(type_infos["product_code"]))
         slave_info.setRevisionNo(ExtractHexDecValue(type_infos["revision_number"]))
     setattr(cls, "setType", setType)
-
-class _EthercatCTN:
-    XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>
+    
+    def getInitCmds(self, create_default=False):
+        Mailbox = self.getMailbox()
+        if Mailbox is None:
+            if create_default:
+                self.addMailbox()
+                Mailbox = self.getMailbox()
+            else:
+                return None
+        CoE = Mailbox.getCoE()
+        if CoE is None:
+            if create_default:
+                Mailbox.addCoE()
+                CoE = Mailbox.getCoE()
+            else:
+                return None
+        InitCmds = CoE.getInitCmds()
+        if InitCmds is None and create_default:
+            CoE.addInitCmds()
+            InitCmds = CoE.getInitCmds()
+        return InitCmds
+    setattr(cls, "getInitCmds", getInitCmds)
+    
+    def getStartupCommands(self):
+        pos = self.getInfo().getPhysAddr()
+        InitCmds = self.getInitCmds()
+        if InitCmds is None:
+            return []
+        commands = []
+        for idx, InitCmd in enumerate(InitCmds.getInitCmd()):
+            comment = InitCmd.getComment()
+            if comment is None:
+                comment = ""
+            commands.append({
+                "command_idx": idx,
+                "Position": pos,
+                "Index": InitCmd.getIndex(),
+                "Subindex": InitCmd.getSubIndex(),
+                "Value": InitCmd.getData(),
+                "Description": comment})
+        commands.sort(sort_commands)
+        return commands
+    setattr(cls, "getStartupCommands", getStartupCommands)
+    
+    def appendStartupCommand(self, command_infos):
+        InitCmds = self.getInitCmds(True)
+        command = EtherCATConfigClasses["InitCmds_InitCmd"]()
+        command.setIndex(command_infos["Index"])
+        command.setSubIndex(command_infos["Subindex"])
+        command.setData(command_infos["Value"])
+        command.setComment(command_infos["Description"])
+        InitCmds.appendInitCmd(command)
+        return len(InitCmds.getInitCmd()) - 1
+    setattr(cls, "appendStartupCommand", appendStartupCommand)
+    
+    def setStartupCommand(self, command_infos):
+        InitCmds = self.getInitCmds()
+        if InitCmds is not None:
+            commands = InitCmds.getInitCmd()
+            if command_infos["command_idx"] < len(commands):
+                command = commands[command_infos["command_idx"]]
+                command.setIndex(command_infos["Index"])
+                command.setSubIndex(command_infos["Subindex"])
+                command.setData(command_infos["Value"])
+                command.setComment(command_infos["Description"])
+    setattr(cls, "setStartupCommand", setStartupCommand)
+    
+    def removeStartupCommand(self, command_idx):
+        InitCmds = self.getInitCmds()
+        if InitCmds is not None:
+            if command_idx < len(InitCmds.getInitCmd()):
+                InitCmds.removeInitCmd(command_idx)
+    setattr(cls, "removeStartupCommand", removeStartupCommand)
+
+ProcessVariablesXSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>
     <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
-      <xsd:element name="EtherlabNode">
+      <xsd:element name="ProcessVariables">
         <xsd:complexType>
-          <xsd:attribute name="MasterNumber" type="xsd:integer" use="optional" default="0"/>
+          <xsd:sequence>
+            <xsd:element name="variable" minOccurs="0" maxOccurs="unbounded">
+              <xsd:complexType>
+                <xsd:sequence>
+                  <xsd:element name="ReadFrom" type="LocationDesc" minOccurs="0"/>
+                  <xsd:element name="WriteTo" type="LocationDesc" minOccurs="0"/>
+                </xsd:sequence>
+                <xsd:attribute name="Name" type="xsd:string" use="required"/>
+                <xsd:attribute name="Comment" type="xsd:string" use="required"/>
+              </xsd:complexType>
+            </xsd:element>
+          </xsd:sequence>
         </xsd:complexType>
       </xsd:element>
+      <xsd:complexType name="LocationDesc">
+        <xsd:attribute name="Position" type="xsd:integer" use="required"/>
+        <xsd:attribute name="Index" type="xsd:integer" use="required"/>
+        <xsd:attribute name="SubIndex" type="xsd:integer" use="required"/>
+      </xsd:complexType>
     </xsd:schema>
-    """
+"""
+
+ProcessVariablesClasses = GenerateClassesFromXSDstring(ProcessVariablesXSD) 
+
+class _EthercatCTN:
     
     CTNChildrenTypes = [("EthercatSlave", _EthercatSlaveCTN, "Ethercat Slave")]
     if HAS_MCL:
         CTNChildrenTypes.append(("EthercatCIA402Slave", _EthercatCIA402SlaveCTN, "Ethercat CIA402 Slave"))
+    EditorType = MasterEditor
     
     def __init__(self):
-        filepath = self.ConfigFileName()
-        
+        config_filepath = self.ConfigFileName()
+        config_is_saved = False
         self.Config = EtherCATConfigClasses["EtherCATConfig"]()
-        if os.path.isfile(filepath):
-            xmlfile = open(filepath, 'r')
-            tree = minidom.parse(xmlfile)
-            xmlfile.close()
+        if os.path.isfile(config_filepath):
+            config_xmlfile = open(config_filepath, 'r')
+            config_tree = minidom.parse(config_xmlfile)
+            config_xmlfile.close()
             
-            for child in tree.childNodes:
-                if child.nodeType == tree.ELEMENT_NODE and child.nodeName == "EtherCATConfig":
+            for child in config_tree.childNodes:
+                if child.nodeType == config_tree.ELEMENT_NODE and child.nodeName == "EtherCATConfig":
                     self.Config.loadXMLTree(child)
-                    self.CreateConfigBuffer(True)
+                    config_is_saved = True
+        
+        process_filepath = self.ProcessVariablesFileName()
+        process_is_saved = False
+        self.ProcessVariables = ProcessVariablesClasses["ProcessVariables"]()
+        if os.path.isfile(process_filepath):
+            process_xmlfile = open(process_filepath, 'r')
+            process_tree = minidom.parse(process_xmlfile)
+            process_xmlfile.close()
+            
+            for child in process_tree.childNodes:
+                if child.nodeType == process_tree.ELEMENT_NODE and child.nodeName == "ProcessVariables":
+                    self.ProcessVariables.loadXMLTree(child)
+                    process_is_saved = True
+        
+        if config_is_saved and process_is_saved:
+            self.CreateBuffer(True)
         else:
-            self.CreateConfigBuffer(False)
+            self.CreateBuffer(False)
             self.OnCTNSave()
 
     def ExtractHexDecValue(self, value):
@@ -529,7 +646,10 @@
 
     def ConfigFileName(self):
         return os.path.join(self.CTNPath(), "config.xml")
-
+    
+    def ProcessVariablesFileName(self):
+        return os.path.join(self.CTNPath(), "process_variables.xml")
+    
     def GetSlaves(self):
         slaves = []
         for slave in self.Config.getConfig().getSlave():
@@ -544,6 +664,97 @@
                 return slave
         return None
 
+    def FilterSlave(self, slave, vendor=None, slave_pos=None, slave_profile=None):
+        if slave_pos is not None and slave.getInfo().getPhysAddr() != slave_pos:
+            return False
+        type_infos = slave.getType()
+        if vendor is not None and ExtractHexDecValue(type_infos["vendor"]) != vendor:
+            return False
+        device, alignment = self.GetModuleInfos(type_infos)
+        if slave_profile is not None and slave_profile not in device.GetProfileNumbers():
+            return False
+        return True
+
+    def GetStartupCommands(self, vendor=None, slave_pos=None, slave_profile=None):
+        commands = []
+        for slave in self.Config.getConfig().getSlave():
+            if self.FilterSlave(slave, vendor, slave_pos, slave_profile):
+                commands.append((slave.getInfo().getPhysAddr(), slave.getStartupCommands()))
+        commands.sort()
+        return reduce(lambda x, y: x + y[1], commands, [])
+    
+    def AppendStartupCommand(self, command_infos):
+        slave = self.GetSlave(command_infos["Position"])
+        if slave is not None:
+            command_idx = slave.appendStartupCommand(command_infos)
+            self.BufferModel()
+            return command_idx
+        return None
+    
+    def SetStartupCommandInfos(self, command_infos):
+        slave = self.GetSlave(command_infos["Position"])
+        if slave is not None:
+            slave.setStartupCommand(command_infos)
+            self.BufferModel()
+    
+    def RemoveStartupCommand(self, slave_pos, command_idx):
+        slave = self.GetSlave(slave_pos)
+        if slave is not None:
+            slave.removeStartupCommand(command_idx)
+            self.BufferModel()
+    
+    def SetProcessVariables(self, variables):
+        vars = []
+        for var in variables:
+            variable = ProcessVariablesClasses["ProcessVariables_variable"]()
+            variable.setName(var["Name"])
+            variable.setComment(var["Description"])
+            if var["ReadFrom"] != "":
+                position, index, subindex = var["ReadFrom"]
+                if variable.getReadFrom() is None:
+                    variable.addReadFrom()
+                read_from = variable.getReadFrom()
+                read_from.setPosition(position)
+                read_from.setIndex(index)
+                read_from.setSubIndex(subindex)
+            elif variable.getReadFrom() is not None:
+                variable.deleteReadFrom()
+            if var["WriteTo"] != "":
+                position, index, subindex = var["WriteTo"]
+                if variable.getWriteTo() is None:
+                    variable.addWriteTo()
+                write_to = variable.getWriteTo()
+                write_to.setPosition(position)
+                write_to.setIndex(index)
+                write_to.setSubIndex(subindex)
+            elif variable.getWriteTo() is not None:
+                variable.deleteWriteTo()
+            vars.append(variable)
+        self.ProcessVariables.setvariable(vars)
+        self.BufferModel()
+        
+    def GetProcessVariables(self):
+        variables = []
+        for variable in self.ProcessVariables.getvariable():
+            var = {"Name": variable.getName(),
+                   "Description": variable.getComment()}
+            read_from = variable.getReadFrom()
+            if read_from is not None:
+                var["ReadFrom"] = (read_from.getPosition(),
+                                   read_from.getIndex(),
+                                   read_from.getSubIndex())
+            else:
+                var["ReadFrom"] = ""
+            write_to = variable.getWriteTo()
+            if write_to is not None:
+                var["WriteTo"] = (write_to.getPosition(),
+                                   write_to.getIndex(),
+                                   write_to.getSubIndex())
+            else:
+                var["WriteTo"] = ""
+            variables.append(var)
+        return variables
+    
     def _ScanNetwork(self):
         app_frame = self.GetCTRoot().AppFrame
         
@@ -599,7 +810,7 @@
             slave_infos.setPhysAddr(newConfNodeOpj.BaseParams.getIEC_Channel())
             slave_infos.setAutoIncAddr(0)
             self.Config.getConfig().appendSlave(slave)
-            self.BufferConfig()
+            self.BufferModel()
             self.OnCTNSave()
         
         return newConfNodeOpj
@@ -611,7 +822,7 @@
             slave_infos = slave.getInfo()
             if slave_infos.getPhysAddr() == slave_pos:
                 config.removeSlave(idx)
-                self.BufferConfig()
+                self.BufferModel()
                 self.OnCTNSave()
         ConfigTreeNode._doRemoveChild(self, CTNInstance)
 
@@ -620,7 +831,7 @@
         if slave is not None:
             slave_info = slave.getInfo()
             slave_info.setPhysAddr(new_pos)
-            self.BufferConfig()
+            self.BufferModel()
     
     def GetSlaveAlias(self, slave_pos):
         slave = self.GetSlave(slave_pos)
@@ -634,7 +845,7 @@
         if slave is not None:
             slave_info = slave.getInfo()
             slave_info.setAutoIncAddr(alias)
-            self.BufferConfig()
+            self.BufferModel()
     
     def GetSlaveType(self, slave_pos):
         slave = self.GetSlave(slave_pos)
@@ -646,50 +857,81 @@
         slave = self.GetSlave(slave_pos)
         if slave is not None:
             slave.setType(type_infos)
-            self.BufferConfig()
+            self.BufferModel()
     
     def GetSlaveInfos(self, slave_pos):
         slave = self.GetSlave(slave_pos)
         if slave is not None:
             type_infos = slave.getType()
-            device, alignement = self.GetModuleInfos(type_infos)
+            device, alignment = self.GetModuleInfos(type_infos)
             if device is not None:
                 infos = type_infos.copy()
-                entries = device.GetEntriesList()
-                entries_list = entries.items()
-                entries_list.sort()
-                entries = []
-                current_index = None
-                current_entry = None
-                for (index, subindex), entry in entries_list:
-                    entry["children"] = []
-                    if index != current_index:
-                        current_index = index
-                        current_entry = entry
-                        entries.append(entry)
-                    elif current_entry is not None:
-                        current_entry["children"].append(entry)
-                    else:
-                        entries.append(entry)
                 infos.update({"physics": device.getPhysics(),
                               "sync_managers": device.GetSyncManagers(),
-                              "entries": entries})
+                              "entries": self.GetSlaveVariables(device)})
                 return infos
         return None
     
+    def GetSlaveVariables(self, slave_pos=None, limits=None, device=None):
+        if device is None and slave_pos is not None:
+            slave = self.GetSlave(slave_pos)
+            if slave is not None:
+                type_infos = slave.getType()
+                device, alignment = self.GetModuleInfos(type_infos)
+        if device is not None:
+            entries = device.GetEntriesList(limits)
+            entries_list = entries.items()
+            entries_list.sort()
+            entries = []
+            current_index = None
+            current_entry = None
+            for (index, subindex), entry in entries_list:
+                entry["children"] = []
+                if slave_pos is not None:
+                    entry["Position"] = str(slave_pos)
+                entry
+                if index != current_index:
+                    current_index = index
+                    current_entry = entry
+                    entries.append(entry)
+                elif current_entry is not None:
+                    current_entry["children"].append(entry)
+                else:
+                    entries.append(entry)
+            return entries
+        return []
+    
+    def GetNodesVariables(self, vendor=None, slave_pos=None, slave_profile=None, limits=None):
+        entries = []
+        for slave_position in self.GetSlaves():
+            if slave_pos is not None and slave_position != slave_pos:
+                continue
+            slave = self.GetSlave(slave_position)
+            type_infos = slave.getType()
+            if vendor is not None and ExtractHexDecValue(type_infos["vendor"]) != vendor:
+                continue
+            device, alignment = self.GetModuleInfos(type_infos)
+            if slave_profile is not None and slave_profile not in device.GetProfileNumbers():
+                continue
+            entries.extend(self.GetSlaveVariables(slave_position, limits, device))
+        return entries
+     
     def GetModuleInfos(self, type_infos):
         return self.CTNParent.GetModuleInfos(type_infos)
     
     def GetSlaveTypesLibrary(self, profile_filter=None):
         return self.CTNParent.GetModulesLibrary(profile_filter)
     
+    def GetLibraryVendors(self):
+        return self.CTNParent.GetVendors()
+    
     def GetDeviceLocationTree(self, slave_pos, current_location, device_name):
         slave = self.GetSlave(slave_pos)
         vars = []    
         if slave is not None:
             type_infos = slave.getType()
         
-            device, alignement = self.GetModuleInfos(type_infos)
+            device, alignment = self.GetModuleInfos(type_infos)
             if device is not None:
                 sync_managers = []
                 for sync_manager in device.getSm():
@@ -725,21 +967,31 @@
         return vars
     
     def CTNTestModified(self):
-        return self.ChangesToSave or not self.ConfigIsSaved()    
+        return self.ChangesToSave or not self.ModelIsSaved()    
 
     def OnCTNSave(self):
-        filepath = self.ConfigFileName()
-        
-        text = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n"
-        extras = {"xmlns:xsi":"http://www.w3.org/2001/XMLSchema-instance",
+        config_filepath = self.ConfigFileName()
+        
+        config_text = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n"
+        config_extras = {"xmlns:xsi":"http://www.w3.org/2001/XMLSchema-instance",
                   "xsi:noNamespaceSchemaLocation" : "EtherCATInfo.xsd"}
-        text += self.Config.generateXMLText("EtherCATConfig", 0, extras)
-
-        xmlfile = open(filepath,"w")
-        xmlfile.write(text.encode("utf-8"))
-        xmlfile.close()
-        
-        self.ConfigBuffer.CurrentSaved()
+        config_text += self.Config.generateXMLText("EtherCATConfig", 0, config_extras)
+
+        config_xmlfile = open(config_filepath,"w")
+        config_xmlfile.write(config_text.encode("utf-8"))
+        config_xmlfile.close()
+        
+        process_filepath = self.ProcessVariablesFileName()
+        
+        process_text = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n"
+        process_extras = {"xmlns:xsi":"http://www.w3.org/2001/XMLSchema-instance"}
+        process_text += self.ProcessVariables.generateXMLText("ProcessVariables", 0, process_extras)
+
+        process_xmlfile = open(process_filepath,"w")
+        process_xmlfile.write(process_text.encode("utf-8"))
+        process_xmlfile.close()
+        
+        self.Buffer.CurrentSaved()
         return True
 
     def _Generate_C(self, buildpath, locations):
@@ -810,27 +1062,27 @@
     def Copy(self, model):
         return cPickle.loads(cPickle.dumps(model))
     
-    def CreateConfigBuffer(self, saved):
-        self.ConfigBuffer = UndoBuffer(cPickle.dumps(self.Config), saved)
-        
-    def BufferConfig(self):
-        self.ConfigBuffer.Buffering(cPickle.dumps(self.Config))
-    
-    def ConfigIsSaved(self):
-        if self.ConfigBuffer is not None:
-            return self.ConfigBuffer.IsCurrentSaved()
+    def CreateBuffer(self, saved):
+        self.Buffer = UndoBuffer(cPickle.dumps((self.Config, self.ProcessVariables)), saved)
+        
+    def BufferModel(self):
+        self.Buffer.Buffering(cPickle.dumps((self.Config, self.ProcessVariables)))
+    
+    def ModelIsSaved(self):
+        if self.Buffer is not None:
+            return self.Buffer.IsCurrentSaved()
         else:
             return True
 
     def LoadPrevious(self):
-        self.Config = cPickle.loads(self.ConfigBuffer.Previous())
+        self.Config, self.ProcessVariables = cPickle.loads(self.Buffer.Previous())
     
     def LoadNext(self):
-        self.Config = cPickle.loads(self.ConfigBuffer.Next())
+        self.Config, self.ProcessVariables = cPickle.loads(self.Buffer.Next())
     
     def GetBufferState(self):
-        first = self.ConfigBuffer.IsFirst()
-        last = self.ConfigBuffer.IsLast()
+        first = self.Buffer.IsFirst()
+        last = self.Buffer.IsLast()
         return not first, not last
 
 
@@ -983,7 +1235,7 @@
         # Initialize strings for formatting master code template
         str_completion = {
             "location": location_str,
-            "master_number": etherlab_node_infos.getMasterNumber(),
+            "master_number": self.BaseParams.getIEC_Channel(),
             "located_variables_declaration": [],
             "used_pdo_entry_offset_variables_declaration": [],
             "used_pdo_entry_configuration": [],
@@ -1017,7 +1269,7 @@
             slave_pos = (slave_alias, alias[slave_alias])
             
             # Extract slave device informations
-            device, alignement = self.Controler.GetModuleInfos(type_infos)
+            device, alignment = self.Controler.GetModuleInfos(type_infos)
             if device is not None:
                 
                 # Extract slaves variables to be mapped
@@ -1413,6 +1665,7 @@
         self.DataTypes = {}
         
         for dictionary in self.GetProfileDictionaries():
+            dictionary.load()
             
             datatypes = dictionary.getDataTypes()
             if datatypes is not None:
@@ -1431,7 +1684,7 @@
         return None
     setattr(cls, "getCoE", getCoE)
 
-    def GetEntriesList(self):
+    def GetEntriesList(self, limits=None):
         if self.DataTypes is None:
             self.ExtractDataTypes()
         
@@ -1443,62 +1696,63 @@
             for object in dictionary.getObjects().getObject():
                 entry_index = object.getIndex().getcontent()
                 index = ExtractHexDecValue(entry_index)
-                entry_type = object.getType()
-                entry_name = ExtractName(object.getName())
-                
-                entry_type_infos = self.DataTypes.get(entry_type, None)
-                if entry_type_infos is not None:
-                    content = entry_type_infos.getcontent()
-                    for subitem in content["value"]:
-                        entry_subidx = subitem.getSubIdx()
-                        if entry_subidx is None:
-                            entry_subidx = "0"
-                        subidx = ExtractHexDecValue(entry_subidx)
-                        subitem_access = ""
-                        subitem_pdomapping = ""
-                        subitem_flags = subitem.getFlags()
-                        if subitem_flags is not None:
-                            access = subitem_flags.getAccess()
+                if limits is None or limits[0] <= index <= limits[1]:
+                    entry_type = object.getType()
+                    entry_name = ExtractName(object.getName())
+                    
+                    entry_type_infos = self.DataTypes.get(entry_type, None)
+                    if entry_type_infos is not None:
+                        content = entry_type_infos.getcontent()
+                        for subitem in content["value"]:
+                            entry_subidx = subitem.getSubIdx()
+                            if entry_subidx is None:
+                                entry_subidx = "0"
+                            subidx = ExtractHexDecValue(entry_subidx)
+                            subitem_access = ""
+                            subitem_pdomapping = ""
+                            subitem_flags = subitem.getFlags()
+                            if subitem_flags is not None:
+                                access = subitem_flags.getAccess()
+                                if access is not None:
+                                    subitem_access = access.getcontent()
+                                pdomapping = subitem_flags.getPdoMapping()
+                                if pdomapping is not None:
+                                    subitem_pdomapping = pdomapping.upper()
+                            entries[(index, subidx)] = {
+                                "Index": entry_index,
+                                "SubIndex": entry_subidx,
+                                "Name": "%s - %s" % 
+                                        (entry_name.decode("utf-8"),
+                                         ExtractName(subitem.getDisplayName(), 
+                                                     subitem.getName()).decode("utf-8")),
+                                "Type": subitem.getType(),
+                                "BitSize": subitem.getBitSize(),
+                                "Access": subitem_access, 
+                                "PDOMapping": subitem_pdomapping}
+                    else:
+                        entry_access = ""
+                        entry_pdomapping = ""
+                        entry_flags = object.getFlags()
+                        if entry_flags is not None:
+                            access = entry_flags.getAccess()
                             if access is not None:
-                                subitem_access = access.getcontent()
-                            pdomapping = subitem_flags.getPdoMapping()
+                                entry_access = access.getcontent()
+                            pdomapping = entry_flags.getPdoMapping()
                             if pdomapping is not None:
-                                subitem_pdomapping = pdomapping.upper()
-                        entries[(index, subidx)] = {
-                            "Index": entry_index,
-                            "SubIndex": entry_subidx,
-                            "Name": "%s - %s" % 
-                                    (entry_name.decode("utf-8"),
-                                     ExtractName(subitem.getDisplayName(), 
-                                                 subitem.getName()).decode("utf-8")),
-                            "Type": subitem.getType(),
-                            "BitSize": subitem.getBitSize(),
-                            "Access": subitem_access, 
-                            "PDOMapping": subitem_pdomapping}
-                else:
-                    entry_access = ""
-                    entry_pdomapping = ""
-                    entry_flags = object.getFlags()
-                    if entry_flags is not None:
-                        access = entry_flags.getAccess()
-                        if access is not None:
-                            entry_access = access.getcontent()
-                        pdomapping = entry_flags.getPdoMapping()
-                        if pdomapping is not None:
-                            entry_pdomapping = pdomapping.upper()
-                    entries[(index, 0)] = {
-                         "Index": entry_index,
-                         "SubIndex": "0",
-                         "Name": entry_name,
-                         "Type": entry_type,
-                         "BitSize": object.getBitSize(),
-                         "Access": entry_access,
-                         "PDOMapping": entry_pdomapping}
+                                entry_pdomapping = pdomapping.upper()
+                        entries[(index, 0)] = {
+                             "Index": entry_index,
+                             "SubIndex": "0",
+                             "Name": entry_name,
+                             "Type": entry_type,
+                             "BitSize": object.getBitSize(),
+                             "Access": entry_access,
+                             "PDOMapping": entry_pdomapping}
         
         for TxPdo in self.getTxPdo():
-            ExtractPdoInfos(TxPdo, "Transmit", entries)
+            ExtractPdoInfos(TxPdo, "Transmit", entries, limits)
         for RxPdo in self.getRxPdo():
-            ExtractPdoInfos(RxPdo, "Receive", entries)
+            ExtractPdoInfos(RxPdo, "Receive", entries, limits)
         
         return entries
     setattr(cls, "GetEntriesList", GetEntriesList)
@@ -1544,7 +1798,7 @@
                 return name.getcontent()
     return default
 
-def ExtractPdoInfos(pdo, pdo_type, entries):
+def ExtractPdoInfos(pdo, pdo_type, entries, limits=None):
     pdo_index = pdo.getIndex().getcontent()
     pdo_name = ExtractName(pdo.getName())
     for pdo_entry in pdo.getEntry():
@@ -1553,27 +1807,28 @@
         index = ExtractHexDecValue(entry_index)
         subindex = ExtractHexDecValue(entry_subindex)
         
-        entry = entries.get((index, subindex), None)
-        if entry is not None:
-            entry["PDO index"] = pdo_index
-            entry["PDO name"] = pdo_name
-            entry["PDO type"] = pdo_type
-        else:
-            entry_type = pdo_entry.getDataType()
-            if entry_type is not None:
-                if pdo_type == "Transmit":
-                    access = "ro"
-                    pdomapping = "T"
-                else:
-                    access = "wo"
-                    pdomapping = "R"
-                entries[(index, subindex)] = {
-                    "Index": entry_index,
-                    "SubIndex": entry_subindex,
-                    "Name": ExtractName(pdo_entry.getName()),
-                    "Type": entry_type.getcontent(),
-                    "Access": access,
-                    "PDOMapping": pdomapping}
+        if limits is None or limits[0] <= index <= limits[1]:
+            entry = entries.get((index, subindex), None)
+            if entry is not None:
+                entry["PDO index"] = pdo_index
+                entry["PDO name"] = pdo_name
+                entry["PDO type"] = pdo_type
+            else:
+                entry_type = pdo_entry.getDataType()
+                if entry_type is not None:
+                    if pdo_type == "Transmit":
+                        access = "ro"
+                        pdomapping = "T"
+                    else:
+                        access = "wo"
+                        pdomapping = "R"
+                    entries[(index, subindex)] = {
+                        "Index": entry_index,
+                        "SubIndex": entry_subindex,
+                        "Name": ExtractName(pdo_entry.getName()),
+                        "Type": entry_type.getcontent(),
+                        "Access": access,
+                        "PDOMapping": pdomapping}
 
 DEFAULT_ALIGNMENT = 8
 
@@ -1585,7 +1840,10 @@
             os.makedirs(self.Path)
         self.ParentLibrary = parent_library
         
-        self.LoadModules()
+        if parent_library is not None:
+            self.LoadModules()
+        else:
+            self.Library = None
         self.LoadAlignments()
     
     def GetPath(self):
@@ -1633,6 +1891,8 @@
                         vendor_category["groups"][device_group]["devices"].append((device.getType().getcontent(), device))
 
     def GetModulesLibrary(self, profile_filter=None):
+        if self.Library is None:
+            self.LoadModules()
         library = []
         for vendor_id, vendor in self.Library.iteritems():
             groups = []
@@ -1678,6 +1938,9 @@
         library.sort(lambda x, y: cmp(x["name"], y["name"]))
         return library
 
+    def GetVendors(self):
+        return [(vendor_id, vendor["name"]) for vendor_id, vendor in self.Library.items()]
+    
     def GetModuleInfos(self, module_infos):
         vendor = ExtractHexDecValue(module_infos["vendor"])
         vendor_infos = self.Library.get(vendor)
@@ -1785,6 +2048,9 @@
     def GetModulesLibrary(self, profile_filter=None):
         return self.ModulesLibrary.GetModulesLibrary(profile_filter)
     
+    def GetVendors(self):
+        return self.ModulesLibrary.GetVendors()
+    
     def GetModuleInfos(self, module_infos):
         return self.ModulesLibrary.GetModuleInfos(module_infos)