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#!/usr/bin/env python

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# -*- coding: utf-8 -*-

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#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor

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#based on the plcopen standard. 

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#

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#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

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#

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#See COPYING file for copyrights details.

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#

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#This library is free software; you can redistribute it and/or

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#modify it under the terms of the GNU General Public

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#License as published by the Free Software Foundation; either

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#version 2.1 of the License, or (at your option) any later version.

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#

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#This library is distributed in the hope that it will be useful,

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#but WITHOUT ANY WARRANTY; without even the implied warranty of

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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

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#General Public License for more details.

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#

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#You should have received a copy of the GNU General Public

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#License along with this library; if not, write to the Free Software

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#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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import wx

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import wx.grid

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from graphics.GraphicCommons import REFRESH_HIGHLIGHT_PERIOD

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from controls import CustomGrid, CustomTable, EditorPanel, DurationCellEditor

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#-------------------------------------------------------------------------------

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#                          Configuration Editor class

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#-------------------------------------------------------------------------------

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[ID_CONFIGURATIONEDITOR, 

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] = [wx.NewId() for _init_ctrls in range(1)]

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class ConfigurationEditor(EditorPanel):

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    ID = ID_CONFIGURATIONEDITOR

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    VARIABLE_PANEL_TYPE = "config"

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    def GetBufferState(self):

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        return self.Controler.GetBufferState()

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    def Undo(self):

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        self.Controler.LoadPrevious()

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        self.ParentWindow.CloseTabsWithoutModel()

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    def Redo(self):

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        self.Controler.LoadNext()

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        self.ParentWindow.CloseTabsWithoutModel()

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    def HasNoModel(self):

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        return self.Controler.GetEditedElement(self.TagName) is None

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#-------------------------------------------------------------------------------

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#                            Resource Editor class

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#-------------------------------------------------------------------------------

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def GetTasksTableColnames():

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    _ = lambda x : x

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    return [_("Name"), _("Triggering"), _("Single"), _("Interval"), _("Priority")]

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def GetTaskTriggeringOptions():

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    _ = lambda x : x

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    return [_("Interrupt"), _("Cyclic")]

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TASKTRIGGERINGOPTIONS_DICT = dict([(_(option), option) for option in GetTaskTriggeringOptions()])

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def GetInstancesTableColnames():

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    _ = lambda x : x

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    return [_("Name"), _("Type"), _("Task")]

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class ResourceTable(CustomTable):

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    """

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    A custom wx.grid.Grid Table using user supplied data

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    """

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    def __init__(self, parent, data, colnames):

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        # The base class must be initialized *first*

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        CustomTable.__init__(self, parent, data, colnames)

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        self.ColAlignements = []

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        self.ColSizes = []

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    def GetColAlignements(self):

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        return self.ColAlignements

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    def SetColAlignements(self, list):

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        self.ColAlignements = list

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    def GetColSizes(self):

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        return self.ColSizes

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    def SetColSizes(self, list):

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        self.ColSizes = list

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    def GetValue(self, row, col):

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        if row < self.GetNumberRows():

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            colname = self.GetColLabelValue(col, False)

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            value = str(self.data[row].get(colname, ""))

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            if colname == "Triggering":

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                return _(value)

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            return value

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    def SetValue(self, row, col, value):

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        if col < len(self.colnames):

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            colname = self.GetColLabelValue(col, False)

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            if colname == "Triggering":

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                value = TASKTRIGGERINGOPTIONS_DICT[value]

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            self.data[row][colname] = value

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    def _updateColAttrs(self, grid):

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        """

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        wx.grid.Grid -> update the column attributes to add the

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        appropriate renderer given the column name.

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        Otherwise default to the default renderer.

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        """

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        for col in range(self.GetNumberCols()):

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            attr = wx.grid.GridCellAttr()

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            attr.SetAlignment(self.ColAlignements[col], wx.ALIGN_CENTRE)

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            grid.SetColAttr(col, attr)

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            grid.SetColSize(col, self.ColSizes[col])

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        for row in range(self.GetNumberRows()):

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            row_highlights = self.Highlights.get(row, {})

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            for col in range(self.GetNumberCols()):

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                editor = None

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                renderer = None

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                colname = self.GetColLabelValue(col, False)

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                grid.SetReadOnly(row, col, False)

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                if colname == "Name":

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                    editor = wx.grid.GridCellTextEditor()

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                    renderer = wx.grid.GridCellStringRenderer()

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                elif colname == "Interval":

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                    editor = DurationCellEditor(self)

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                    renderer = wx.grid.GridCellStringRenderer()

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                    if self.GetValueByName(row, "Triggering") != "Cyclic":

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                        grid.SetReadOnly(row, col, True)

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                elif colname == "Single":

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                    editor = wx.grid.GridCellChoiceEditor()

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                    editor.SetParameters(self.Parent.VariableList)

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                    if self.GetValueByName(row, "Triggering") != "Interrupt":

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                        grid.SetReadOnly(row, col, True)

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                elif colname == "Triggering":

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                    editor = wx.grid.GridCellChoiceEditor()

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                    editor.SetParameters(",".join([""] + map(_, GetTaskTriggeringOptions())))

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                elif colname == "Type":

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                    editor = wx.grid.GridCellChoiceEditor()

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                    editor.SetParameters(self.Parent.TypeList)

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                elif colname == "Priority":

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                    editor = wx.grid.GridCellNumberEditor()

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                    editor.SetParameters("0,65535")

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                elif colname == "Task":

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                    editor = wx.grid.GridCellChoiceEditor()

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                    editor.SetParameters(self.Parent.TaskList)

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                grid.SetCellEditor(row, col, editor)

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                grid.SetCellRenderer(row, col, renderer)

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                highlight_colours = row_highlights.get(colname.lower(), [(wx.WHITE, wx.BLACK)])[-1]

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                grid.SetCellBackgroundColour(row, col, highlight_colours[0])

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                grid.SetCellTextColour(row, col, highlight_colours[1])

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            self.ResizeRow(grid, row)

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#-------------------------------------------------------------------------------

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#                        Highlights showing functions

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#-------------------------------------------------------------------------------

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    def AddHighlight(self, infos, highlight_type):

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        row_highlights = self.Highlights.setdefault(infos[0], {})

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        col_highlights = row_highlights.setdefault(infos[1], [])

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        col_highlights.append(highlight_type)

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    def ClearHighlights(self, highlight_type=None):

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        if highlight_type is None:

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            self.Highlights = {}

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        else:

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            for row, row_highlights in self.Highlights.iteritems():

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                row_items = row_highlights.items()

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                for col, col_highlights in row_items:

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                    if highlight_type in col_highlights:

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                        col_highlights.remove(highlight_type)

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                    if len(col_highlights) == 0:

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                        row_highlights.pop(col)

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[ID_RESOURCEEDITOR, ID_RESOURCEEDITORPANEL, ID_RESOURCEEDITORSTATICTEXT1,

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 ID_RESOURCEEDITORSTATICTEXT2, ID_RESOURCEEDITORINSTANCESGRID,

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 ID_RESOURCEEDITORTASKSGRID, ID_RESOURCEEDITORADDINSTANCEBUTTON,

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 ID_RESOURCEEDITORDELETEINSTANCEBUTTON, ID_RESOURCEEDITORUPINSTANCEBUTTON,

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 ID_RESOURCEEDITORDOWNINSTANCEBUTTON, ID_RESOURCEEDITORADDTASKBUTTON,

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 ID_RESOURCEEDITORDELETETASKBUTTON, ID_RESOURCEEDITORUPTASKBUTTON,

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 ID_RESOURCEEDITORDOWNTASKBUTTON,

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] = [wx.NewId() for _init_ctrls in range(14)]

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class ResourceEditor(EditorPanel):

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    ID = ID_RESOURCEEDITOR

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    VARIABLE_PANEL_TYPE = "resource"

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    def _init_coll_InstancesSizer_Growables(self, parent):

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        parent.AddGrowableCol(0)

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        parent.AddGrowableRow(1)

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    def _init_coll_InstancesSizer_Items(self, parent):

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        parent.AddSizer(self.InstancesButtonsSizer, 0, border=0, flag=wx.GROW)

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        parent.AddWindow(self.InstancesGrid, 0, border=0, flag=wx.GROW)

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    def _init_coll_InstancesButtonsSizer_Growables(self, parent):

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        parent.AddGrowableCol(0)

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        parent.AddGrowableRow(0)

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    def _init_coll_InstancesButtonsSizer_Items(self, parent):

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        parent.AddWindow(self.staticText2, 0, border=0, flag=wx.ALIGN_BOTTOM)

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        parent.AddWindow(self.AddInstanceButton, 0, border=0, flag=0)

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        parent.AddWindow(self.DeleteInstanceButton, 0, border=0, flag=0)

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        parent.AddWindow(self.UpInstanceButton, 0, border=0, flag=0)

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        parent.AddWindow(self.DownInstanceButton, 0, border=0, flag=0)

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    def _init_coll_TasksSizer_Growables(self, parent):

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        parent.AddGrowableCol(0)

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        parent.AddGrowableRow(1)

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    def _init_coll_TasksSizer_Items(self, parent):

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        parent.AddSizer(self.TasksButtonsSizer, 0, border=0, flag=wx.GROW)

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        parent.AddWindow(self.TasksGrid, 0, border=0, flag=wx.GROW)

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    def _init_coll_TasksButtonsSizer_Growables(self, parent):

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        parent.AddGrowableCol(0)

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        parent.AddGrowableRow(0)

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    def _init_coll_TasksButtonsSizer_Items(self, parent):

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        parent.AddWindow(self.staticText1, 0, border=0, flag=wx.ALIGN_BOTTOM)

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        parent.AddWindow(self.AddTaskButton, 0, border=0, flag=0)

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        parent.AddWindow(self.DeleteTaskButton, 0, border=0, flag=0)

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        parent.AddWindow(self.UpTaskButton, 0, border=0, flag=0)

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        parent.AddWindow(self.DownTaskButton, 0, border=0, flag=0)

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    def _init_coll_MainGridSizer_Items(self, parent):

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        parent.AddSizer(self.TasksSizer, 0, border=5, flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT)

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        parent.AddSizer(self.InstancesSizer, 0, border=5, flag=wx.GROW|wx.BOTTOM|wx.LEFT|wx.RIGHT)

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    def _init_coll_MainGridSizer_Growables(self, parent):

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        parent.AddGrowableCol(0)

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        parent.AddGrowableRow(0)

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        parent.AddGrowableRow(1)

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    def _init_sizers(self):

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        self.MainGridSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)

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        self.InstancesSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)

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        self.InstancesButtonsSizer = wx.FlexGridSizer(cols=5, hgap=5, rows=1, vgap=0)

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        self.TasksSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)

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        self.TasksButtonsSizer = wx.FlexGridSizer(cols=5, hgap=5, rows=1, vgap=0)

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        self._init_coll_MainGridSizer_Growables(self.MainGridSizer)

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        self._init_coll_MainGridSizer_Items(self.MainGridSizer)

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        self._init_coll_InstancesSizer_Growables(self.InstancesSizer)

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        self._init_coll_InstancesSizer_Items(self.InstancesSizer)

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        self._init_coll_InstancesButtonsSizer_Growables(self.InstancesButtonsSizer)

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        self._init_coll_InstancesButtonsSizer_Items(self.InstancesButtonsSizer)

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        self._init_coll_TasksSizer_Growables(self.TasksSizer)

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        self._init_coll_TasksSizer_Items(self.TasksSizer)

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        self._init_coll_TasksButtonsSizer_Growables(self.TasksButtonsSizer)

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        self._init_coll_TasksButtonsSizer_Items(self.TasksButtonsSizer)

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        self.Editor.SetSizer(self.MainGridSizer)

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    def _init_Editor(self, prnt):

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        self.Editor = wx.Panel(id=ID_RESOURCEEDITORPANEL, name='ResourceEditor', parent=prnt,

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              size=wx.Size(0, 0), style=wx.SUNKEN_BORDER|wx.TAB_TRAVERSAL)

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        self.staticText1 = wx.StaticText(id=ID_RESOURCEEDITORSTATICTEXT1,

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              label=_(u'Tasks:'), name='staticText2', parent=self.Editor, pos=wx.Point(0,

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              0), size=wx.DefaultSize, style=0)

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        self.TasksGrid = CustomGrid(id=ID_RESOURCEEDITORTASKSGRID,

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              name='TasksGrid', parent=self.Editor, pos=wx.Point(0, 0), 

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              size=wx.Size(-1, -1), style=wx.VSCROLL)

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        if wx.VERSION >= (2, 6, 0):

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            self.TasksGrid.Bind(wx.grid.EVT_GRID_CELL_CHANGE, self.OnTasksGridCellChange)

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        else:

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            wx.grid.EVT_GRID_CELL_CHANGE(self.TasksGrid, self.OnTasksGridCellChange)

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        self.AddTaskButton = wx.Button(id=ID_RESOURCEEDITORADDTASKBUTTON, label=_('Add Task'),

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              name='AddTaskButton', parent=self.Editor, pos=wx.Point(0, 0),

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              size=wx.DefaultSize, style=0)

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        self.DeleteTaskButton = wx.Button(id=ID_RESOURCEEDITORDELETETASKBUTTON, label=_('Delete Task'),

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              name='DeleteTaskButton', parent=self.Editor, pos=wx.Point(0, 0),

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              size=wx.DefaultSize, style=0)

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        self.UpTaskButton = wx.Button(id=ID_RESOURCEEDITORUPTASKBUTTON, label='^',

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              name='UpTaskButton', parent=self.Editor, pos=wx.Point(0, 0),

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              size=wx.Size(32, -1), style=0)

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        self.DownTaskButton = wx.Button(id=ID_RESOURCEEDITORDOWNTASKBUTTON, label='v',

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              name='DownTaskButton', parent=self.Editor, pos=wx.Point(0, 0),

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              size=wx.Size(32, -1), style=0)

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        self.staticText2 = wx.StaticText(id=ID_RESOURCEEDITORSTATICTEXT2,

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              label=_(u'Instances:'), name='staticText1', parent=self.Editor,

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              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

   306

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        self.InstancesGrid = CustomGrid(id=ID_RESOURCEEDITORINSTANCESGRID,

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              name='InstancesGrid', parent=self.Editor, pos=wx.Point(0, 0), 

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              size=wx.Size(-1, -1), style=wx.VSCROLL)

   310

        if wx.VERSION >= (2, 6, 0):

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            self.InstancesGrid.Bind(wx.grid.EVT_GRID_CELL_CHANGE, self.OnInstancesGridCellChange)

   312

        else:

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            wx.grid.EVT_GRID_CELL_CHANGE(self.InstancesGrid, self.OnInstancesGridCellChange)

   314

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        self.AddInstanceButton = wx.Button(id=ID_RESOURCEEDITORADDINSTANCEBUTTON, label=_('Add Instance'),

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              name='AddInstanceButton', parent=self.Editor, pos=wx.Point(0, 0),

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              size=wx.DefaultSize, style=0)

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        self.DeleteInstanceButton = wx.Button(id=ID_RESOURCEEDITORDELETEINSTANCEBUTTON, label=_('Delete Instance'),

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              name='DeleteInstanceButton', parent=self.Editor, pos=wx.Point(0, 0),

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              size=wx.DefaultSize, style=0)

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        self.UpInstanceButton = wx.Button(id=ID_RESOURCEEDITORUPINSTANCEBUTTON, label='^',

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              name='UpInstanceButton', parent=self.Editor, pos=wx.Point(0, 0),

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              size=wx.Size(32, -1), style=0)

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        self.DownInstanceButton = wx.Button(id=ID_RESOURCEEDITORDOWNINSTANCEBUTTON, label='v',

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              name='DownInstanceButton', parent=self.Editor, pos=wx.Point(0, 0),

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              size=wx.Size(32, -1), style=0)

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        self._init_sizers()

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    def __init__(self, parent, tagname, window, controler):

   334

        EditorPanel.__init__(self, parent, tagname, window, controler)

   335

   336

        self.RefreshHighlightsTimer = wx.Timer(self, -1)

   337

        self.Bind(wx.EVT_TIMER, self.OnRefreshHighlightsTimer, self.RefreshHighlightsTimer)

   338

   339

        self.TasksDefaultValue = {"Name" : "", "Triggering" : "", "Single" : "", "Interval" : "", "Priority" : 0}

   340

        self.TasksTable = ResourceTable(self, [], GetTasksTableColnames())

   341

        self.TasksTable.SetColAlignements([wx.ALIGN_LEFT, wx.ALIGN_LEFT, wx.ALIGN_LEFT, wx.ALIGN_RIGHT, wx.ALIGN_RIGHT])

   342

        self.TasksTable.SetColSizes([200, 100, 100, 150, 100])

   343

        self.TasksGrid.SetTable(self.TasksTable)

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        self.TasksGrid.SetButtons({"Add": self.AddTaskButton,

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                                   "Delete": self.DeleteTaskButton,

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                                   "Up": self.UpTaskButton,

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                                   "Down": self.DownTaskButton})

   348

   349

        def _AddTask(new_row):

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            self.TasksTable.InsertRow(new_row, self.TasksDefaultValue.copy())

   351

            self.RefreshModel()

   352

            self.RefreshView()

   353

            return new_row

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        setattr(self.TasksGrid, "_AddRow", _AddTask)

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   356

        def _DeleteTask(row):

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            self.TasksTable.RemoveRow(row)

   358

            self.RefreshModel()

   359

            self.RefreshView()

   360

        setattr(self.TasksGrid, "_DeleteRow", _DeleteTask)

   361

   362

        def _MoveTask(row, move):

   363

            new_row = self.TasksTable.MoveRow(row, move)

   364

            if new_row != row:

   365

                self.RefreshModel()

   366

                self.RefreshView()

   367

            return new_row

   368

        setattr(self.TasksGrid, "_MoveRow", _MoveTask)

   369

   370

        self.TasksGrid.SetRowLabelSize(0)

   371

        self.TasksTable.ResetView(self.TasksGrid)

   372

        self.TasksGrid.RefreshButtons()

   373

   374

        self.InstancesDefaultValue = {"Name" : "", "Type" : "", "Task" : ""}

   375

        self.InstancesTable = ResourceTable(self, [], GetInstancesTableColnames())

   376

        self.InstancesTable.SetColAlignements([wx.ALIGN_LEFT, wx.ALIGN_LEFT, wx.ALIGN_LEFT])

   377

        self.InstancesTable.SetColSizes([200, 150, 150])

   378

        self.InstancesGrid.SetTable(self.InstancesTable)

   379

        self.InstancesGrid.SetButtons({"Add": self.AddInstanceButton,

   380

                                       "Delete": self.DeleteInstanceButton,

   381

                                       "Up": self.UpInstanceButton,

   382

                                       "Down": self.DownInstanceButton})

   383

   384

        def _AddInstance(new_row):

   385

            self.InstancesTable.InsertRow(new_row, self.InstancesDefaultValue.copy())

   386

            self.RefreshModel()

   387

            self.RefreshView()

   388

            return new_row

   389

        setattr(self.InstancesGrid, "_AddRow", _AddInstance)

   390

   391

        def _DeleteInstance(row):

   392

            self.InstancesTable.RemoveRow(row)

   393

            self.RefreshModel()

   394

            self.RefreshView()

   395

        setattr(self.InstancesGrid, "_DeleteRow", _DeleteInstance)

   396

   397

        def _MoveInstance(row, move):

   398

            new_row = max(0, min(row + move, self.InstancesTable.GetNumberRows() - 1))

   399

            if new_row != row:

   400

                if self.InstancesTable.GetValueByName(row, "Task") != self.InstancesTable.GetValueByName(new_row, "Task"):

   401

                    return row 

   402

                self.InstancesTable.MoveRow(row, move)

   403

                self.RefreshModel()

   404

                self.RefreshView()

   405

            return new_row

   406

        setattr(self.InstancesGrid, "_MoveRow", _MoveInstance)

   407

   408

        def _RefreshInstanceButtons():

   409

            if self:

   410

                rows = self.InstancesTable.GetNumberRows()

   411

                row = self.InstancesGrid.GetGridCursorRow()

   412

                self.DeleteInstanceButton.Enable(rows > 0)

   413

                self.UpInstanceButton.Enable(row > 0 and 

   414

                    self.InstancesTable.GetValueByName(row, "Task") == self.InstancesTable.GetValueByName(row - 1, "Task"))

   415

                self.DownInstanceButton.Enable(0 <= row < rows - 1 and 

   416

                    self.InstancesTable.GetValueByName(row, "Task") == self.InstancesTable.GetValueByName(row + 1, "Task"))

   417

        setattr(self.InstancesGrid, "RefreshButtons", _RefreshInstanceButtons)

   418

   419

        self.InstancesGrid.SetRowLabelSize(0)

   420

        self.InstancesTable.ResetView(self.InstancesGrid)

   421

        self.InstancesGrid.RefreshButtons()

   422

   423

        self.TasksGrid.SetFocus()

   424

   425

    def __del__(self):

   426

        self.RefreshHighlightsTimer.Stop()

   427

   428

    def RefreshTypeList(self):

   429

        self.TypeList = ""

   430

        blocktypes = self.Controler.GetBlockResource()

   431

        for blocktype in blocktypes:

   432

            self.TypeList += ",%s"%blocktype

   433

   434

    def RefreshTaskList(self):

   435

        self.TaskList = ""

   436

        for row in xrange(self.TasksTable.GetNumberRows()):

   437

            self.TaskList += ",%s"%self.TasksTable.GetValueByName(row, "Name")

   438

   439

    def RefreshVariableList(self):

   440

        self.VariableList = ""

   441

        for variable in self.Controler.GetEditedResourceVariables(self.TagName):

   442

            self.VariableList += ",%s"%variable

   443

   444

    def RefreshModel(self):

   445

        self.Controler.SetEditedResourceInfos(self.TagName, self.TasksTable.GetData(), self.InstancesTable.GetData())

   446

        self.RefreshBuffer()

   447

   448

    # Buffer the last model state

   449

    def RefreshBuffer(self):

   450

        self.Controler.BufferProject()

   451

        self.ParentWindow.RefreshTitle()

   452

        self.ParentWindow.RefreshFileMenu()

   453

        self.ParentWindow.RefreshEditMenu()

   454

   455

    def GetBufferState(self):

   456

        return self.Controler.GetBufferState()

   457

   458

    def Undo(self):

   459

        self.Controler.LoadPrevious()

   460

        self.ParentWindow.CloseTabsWithoutModel()

   461

   462

    def Redo(self):

   463

        self.Controler.LoadNext()

   464

        self.ParentWindow.CloseTabsWithoutModel()

   465

   466

    def HasNoModel(self):

   467

        return self.Controler.GetEditedElement(self.TagName) is None

   468

   469

    def RefreshView(self, variablepanel=True):

   470

        EditorPanel.RefreshView(self, variablepanel)

   471

   472

        tasks, instances = self.Controler.GetEditedResourceInfos(self.TagName)

   473

        self.TasksTable.SetData(tasks)

   474

        self.InstancesTable.SetData(instances)

   475

        self.RefreshTypeList()

   476

        self.RefreshTaskList()

   477

        self.RefreshVariableList()

   478

        self.TasksTable.ResetView(self.TasksGrid)

   479

        self.InstancesTable.ResetView(self.InstancesGrid)

   480

        self.TasksGrid.RefreshButtons()

   481

        self.InstancesGrid.RefreshButtons()

   482

   483

    def OnTasksGridCellChange(self, event):

   484

        row, col = event.GetRow(), event.GetCol()

   485

        if self.TasksTable.GetColLabelValue(col) == "Name":

   486

            tasklist = [name for name in self.TaskList.split(",") if name != ""]

   487

            for i in xrange(self.TasksTable.GetNumberRows()):

   488

                task = self.TasksTable.GetValueByName(i, "Name")

   489

                if task in tasklist:

   490

                    tasklist.remove(task)

   491

            if len(tasklist) > 0:

   492

                old_name = tasklist[0]

   493

                new_name = self.TasksTable.GetValue(row, col)

   494

                for i in xrange(self.InstancesTable.GetNumberRows()):

   495

                    if self.InstancesTable.GetValueByName(i, "Task") == old_name:

   496

                        self.InstancesTable.SetValueByName(i, "Task", new_name)

   497

        self.RefreshModel()

   498