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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.lib.buttons

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import wx.grid

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from graphics.GraphicCommons import REFRESH_HIGHLIGHT_PERIOD, ERROR_HIGHLIGHT

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from controls import CustomGrid, CustomTable, DurationCellEditor

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from dialogs.DurationEditorDialog import IEC_TIME_MODEL

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from EditorPanel import EditorPanel

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from util.BitmapLibrary import GetBitmap

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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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                error = False

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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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                    interval = self.GetValueByName(row, colname)

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                    if interval != "" and IEC_TIME_MODEL.match(interval.upper()) is None:

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                        error = 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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                if error:

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                    highlight_colours = ERROR_HIGHLIGHT

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                else:

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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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class ResourceEditor(EditorPanel):

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    VARIABLE_PANEL_TYPE = "resource"

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    def _init_Editor(self, parent):

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        self.Editor = wx.Panel(parent, style=wx.SUNKEN_BORDER|wx.TAB_TRAVERSAL)

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

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        main_sizer.AddGrowableCol(0)

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        main_sizer.AddGrowableRow(0)

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        main_sizer.AddGrowableRow(1)

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

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        tasks_sizer.AddGrowableCol(0)

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        tasks_sizer.AddGrowableRow(1)

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        main_sizer.AddSizer(tasks_sizer, border=5, 

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              flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT)

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

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        tasks_buttons_sizer.AddGrowableCol(0)

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        tasks_buttons_sizer.AddGrowableRow(0)

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        tasks_sizer.AddSizer(tasks_buttons_sizer, flag=wx.GROW)

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        tasks_label = wx.StaticText(self.Editor, label=_(u'Tasks:'))

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        tasks_buttons_sizer.AddWindow(tasks_label, flag=wx.ALIGN_BOTTOM)

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        for name, bitmap, help in [

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                ("AddTaskButton", "add_element", _("Add task")),

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                ("DeleteTaskButton", "remove_element", _("Remove task")),

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                ("UpTaskButton", "up", _("Move task up")),

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                ("DownTaskButton", "down", _("Move task down"))]:

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            button = wx.lib.buttons.GenBitmapButton(self.Editor, 

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                  bitmap=GetBitmap(bitmap), size=wx.Size(28, 28), style=wx.NO_BORDER)

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            button.SetToolTipString(help)

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            setattr(self, name, button)

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            tasks_buttons_sizer.AddWindow(button)

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        self.TasksGrid = CustomGrid(self.Editor, style=wx.VSCROLL)

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

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        tasks_sizer.AddWindow(self.TasksGrid, flag=wx.GROW)

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

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        instances_sizer.AddGrowableCol(0)

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        instances_sizer.AddGrowableRow(1)

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        main_sizer.AddSizer(instances_sizer, border=5, 

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              flag=wx.GROW|wx.BOTTOM|wx.LEFT|wx.RIGHT)

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

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        instances_buttons_sizer.AddGrowableCol(0)

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        instances_buttons_sizer.AddGrowableRow(0)

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        instances_sizer.AddSizer(instances_buttons_sizer, flag=wx.GROW)

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        instances_label = wx.StaticText(self.Editor, label=_(u'Instances:'))

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        instances_buttons_sizer.AddWindow(instances_label, flag=wx.ALIGN_BOTTOM)

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        for name, bitmap, help in [

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                ("AddInstanceButton", "add_element", _("Add instance")),

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                ("DeleteInstanceButton", "remove_element", _("Remove instance")),

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                ("UpInstanceButton", "up", _("Move instance up")),

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                ("DownInstanceButton", "down", _("Move instance down"))]:

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            button = wx.lib.buttons.GenBitmapButton(self.Editor, 

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                  bitmap=GetBitmap(bitmap), size=wx.Size(28, 28), style=wx.NO_BORDER)

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            button.SetToolTipString(help)

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            setattr(self, name, button)

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            instances_buttons_sizer.AddWindow(button)

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        self.InstancesGrid = CustomGrid(self.Editor, style=wx.VSCROLL)

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

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              self.OnInstancesGridCellChange)

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        instances_sizer.AddWindow(self.InstancesGrid, flag=wx.GROW)

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        self.Editor.SetSizer(main_sizer)

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

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

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

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

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   282

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

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

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

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

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        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})

   291

   292

        def _AddTask(new_row):

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

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            self.RefreshModel()

   295

            self.RefreshView()

   296

            return new_row

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

   298

   299

        def _DeleteTask(row):

   300

            self.TasksTable.RemoveRow(row)

   301

            self.RefreshModel()

   302

            self.RefreshView()

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

   304

   305

        def _MoveTask(row, move):

   306

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

   307

            if new_row != row:

   308

                self.RefreshModel()

   309

                self.RefreshView()

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            return new_row

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

   312

   313

        self.TasksGrid.SetRowLabelSize(0)

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        self.TasksTable.ResetView(self.TasksGrid)

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        self.TasksGrid.RefreshButtons()

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

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

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

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

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        self.InstancesGrid.SetTable(self.InstancesTable)

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

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                                       "Delete": self.DeleteInstanceButton,

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                                       "Up": self.UpInstanceButton,

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                                       "Down": self.DownInstanceButton})

   326

   327

        def _AddInstance(new_row):

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

   329

            self.RefreshModel()

   330

            self.RefreshView()

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            return new_row

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

   333

   334

        def _DeleteInstance(row):

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            self.InstancesTable.RemoveRow(row)

   336

            self.RefreshModel()

   337

            self.RefreshView()

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

   339

   340

        def _MoveInstance(row, move):

   341

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

   342

            if new_row != row:

   343

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

   344

                    return row 

   345

                self.InstancesTable.MoveRow(row, move)

   346

                self.RefreshModel()

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                self.RefreshView()

   348

            return new_row

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

   350

   351

        def _RefreshInstanceButtons():

   352

            if self:

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                rows = self.InstancesTable.GetNumberRows()

   354

                row = self.InstancesGrid.GetGridCursorRow()

   355

                self.DeleteInstanceButton.Enable(rows > 0)

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                self.UpInstanceButton.Enable(row > 0 and 

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

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

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

   360

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

   361

   362

        self.InstancesGrid.SetRowLabelSize(0)

   363

        self.InstancesTable.ResetView(self.InstancesGrid)

   364

        self.InstancesGrid.RefreshButtons()

   365

   366

        self.TasksGrid.SetFocus()

   367

   368

    def __del__(self):

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        self.RefreshHighlightsTimer.Stop()

   370

   371

    def RefreshTypeList(self):

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        self.TypeList = ""

   373

        blocktypes = self.Controler.GetBlockResource()

   374

        for blocktype in blocktypes:

   375

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

   376

   377

    def RefreshTaskList(self):

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        self.TaskList = ""

   379

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

   380

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

   381

   382

    def RefreshVariableList(self):

   383

        self.VariableList = ""

   384

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

   385

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

   386

   387

    def RefreshModel(self):

   388

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

   389

        self.RefreshBuffer()

   390

   391

    # Buffer the last model state

   392

    def RefreshBuffer(self):

   393

        self.Controler.BufferProject()

   394

        self.ParentWindow.RefreshTitle()

   395

        self.ParentWindow.RefreshFileMenu()

   396

        self.ParentWindow.RefreshEditMenu()

   397

   398

    def GetBufferState(self):

   399

        return self.Controler.GetBufferState()

   400

   401

    def Undo(self):

   402

        self.Controler.LoadPrevious()

   403

        self.ParentWindow.CloseTabsWithoutModel()

   404

   405

    def Redo(self):

   406

        self.Controler.LoadNext()

   407

        self.ParentWindow.CloseTabsWithoutModel()

   408

   409

    def HasNoModel(self):

   410

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

   411

   412

    def RefreshView(self, variablepanel=True):

   413

        EditorPanel.RefreshView(self, variablepanel)

   414

   415

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

   416

        self.TasksTable.SetData(tasks)

   417

        self.InstancesTable.SetData(instances)

   418

        self.RefreshTypeList()

   419

        self.RefreshTaskList()

   420

        self.RefreshVariableList()

   421

        self.TasksTable.ResetView(self.TasksGrid)

   422

        self.InstancesTable.ResetView(self.InstancesGrid)

   423

        self.TasksGrid.RefreshButtons()

   424

        self.InstancesGrid.RefreshButtons()

   425

   426

    def OnTasksGridCellChange(self, event):

   427

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

   428

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

   429

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

   430

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

   431

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

   432

                if task in tasklist:

   433

                    tasklist.remove(task)

   434

            if len(tasklist) > 0:

   435

                old_name = tasklist[0]

   436

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

   437

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

   438

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

   439

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

   440

        self.RefreshModel()

   441

        colname = self.TasksTable.GetColLabelValue(col, False)

   442

        if colname in ["Triggering", "Name", "Interval"]:

   443

            wx.CallAfter(self.RefreshView, False)

   444

        event.Skip()

   445

   446

    def OnInstancesGridCellChange(self, event):

   447

        self.RefreshModel()

   448

        self.ParentWindow.RefreshPouInstanceVariablesPanel()

   449

        self.InstancesGrid.RefreshButtons()

   450

        event.Skip()

   451

   452

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

   453

#                        Highlights showing functions

   454

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

   455

   456

    def OnRefreshHighlightsTimer(self, event):

   457

        self.RefreshView()

   458

        event.Skip()

   459

   460

    def AddHighlight(self, infos, start, end, highlight_type):

   461

        EditorPanel.AddHighlight(self, infos, start, end, highlight_type)

   462

   463

        if infos[0] == "task":

   464

            self.TasksTable.AddHighlight(infos[1:], highlight_type)

   465

        elif infos[0] == "instance":

   466

            self.InstancesTable.AddHighlight(infos[1:], highlight_type)

   467

        self.RefreshHighlightsTimer.Start(int(REFRESH_HIGHLIGHT_PERIOD * 1000), oneShot=True)

   468

   469

    def ClearHighlights(self, highlight_type=None):

   470

        EditorPanel.ClearHighlights(self, highlight_type)

   471

   472

        self.TasksTable.ClearHighlights(highlight_type)

   473

        self.InstancesTable.ClearHighlights(highlight_type)

   474

        self.TasksTable.ResetView(self.TasksGrid)

   475

        self.InstancesTable.ResetView(self.InstancesGrid)