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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 re

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import wx

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SECOND = 1000

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MINUTE = 60 * SECOND

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HOUR = 60 * MINUTE

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DAY = 24 * HOUR

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IEC_TIME_MODEL = re.compile("(?:(?:T|TIME)#)?(-)?(?:(%(float)s)D_?)?(?:(%(float)s)H_?)?(?:(%(float)s)M(?!S)_?)?(?:(%(float)s)S_?)?(?:(%(float)s)MS)?" % {"float": "[0-9]+(?:\.[0-9]+)?"})

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

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#                         Edit Duration Value Dialog

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

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[ID_DURATIONEDITORDIALOG, ID_DURATIONEDITORDIALOGDAYSLABEL,

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 ID_DURATIONEDITORDIALOGDAYS, ID_DURATIONEDITORDIALOGHOURSLABEL, 

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 ID_DURATIONEDITORDIALOGHOURS, ID_DURATIONEDITORDIALOGMINUTESLABEL,

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 ID_DURATIONEDITORDIALOGMINUTES, ID_DURATIONEDITORDIALOGSECONDSLABEL, 

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 ID_DURATIONEDITORDIALOGSECONDS, ID_DURATIONEDITORDIALOGMILLISECONDSLABEL,

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 ID_DURATIONEDITORDIALOGMILLISECONDS,

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] = [wx.NewId() for _init_ctrls in range(11)]

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class DurationEditorDialog(wx.Dialog):

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    if wx.VERSION < (2, 6, 0):

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        def Bind(self, event, function, id = None):

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            if id is not None:

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                event(self, id, function)

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            else:

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                event(self, function)

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    def _init_coll_MainSizer_Items(self, parent):

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        parent.AddSizer(self.ControlsSizer, 0, border=20, flag=wx.TOP|wx.LEFT|wx.RIGHT|wx.GROW)

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        parent.AddSizer(self.ButtonSizer, 0, border=20, flag=wx.LEFT|wx.RIGHT|wx.BOTTOM|wx.GROW)

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    def _init_coll_MainSizer_Growables(self, parent):

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        parent.AddGrowableCol(0)

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        parent.AddGrowableRow(0)

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    def _init_coll_ControlsSizer_Items(self, parent):

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

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

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

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

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

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

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

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

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

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

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    def _init_coll_ControlsSizer_Growables(self, parent):

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        parent.AddGrowableCol(0)

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        parent.AddGrowableCol(1)

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        parent.AddGrowableCol(2)

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        parent.AddGrowableCol(3)

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        parent.AddGrowableCol(4)

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    def _init_sizers(self):

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        self.MainSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=10)

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        self.ControlsSizer = wx.FlexGridSizer(cols=5, hgap=10, rows=2, vgap=10)

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        self._init_coll_MainSizer_Items(self.MainSizer)

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        self._init_coll_MainSizer_Growables(self.MainSizer)

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        self._init_coll_ControlsSizer_Items(self.ControlsSizer)

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        self._init_coll_ControlsSizer_Growables(self.ControlsSizer)

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        self.SetSizer(self.MainSizer)

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    def _init_ctrls(self, prnt):

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        wx.Dialog.__init__(self, id=ID_DURATIONEDITORDIALOG, 

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              name='DurationEditorDialog', parent=prnt,  

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              size=wx.Size(600, 200), style=wx.DEFAULT_DIALOG_STYLE|wx.RESIZE_BORDER,

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              title=_('Edit Duration'))

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        self.DaysLabel = wx.StaticText(id=ID_DURATIONEDITORDIALOGDAYSLABEL,

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              label=_('Days:'), name='DaysLabel', parent=self,

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              pos=wx.Point(0, 0), size=wx.Size(0, 17), style=0)

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        self.Days = wx.TextCtrl(id=ID_DURATIONEDITORDIALOGDAYS, value='0',

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

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              size=wx.Size(0, 24), style=wx.TE_PROCESS_ENTER)

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        self.Bind(wx.EVT_TEXT_ENTER, self.GetControlValueTestFunction(self.Days), id=ID_DURATIONEDITORDIALOGDAYS)

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        self.HoursLabel = wx.StaticText(id=ID_DURATIONEDITORDIALOGHOURSLABEL,

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              label=_('Hours:'), name='HoursLabel', parent=self,

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              pos=wx.Point(0, 0), size=wx.Size(0, 17), style=0)

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        self.Hours = wx.TextCtrl(id=ID_DURATIONEDITORDIALOGHOURS, value='0',

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

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              size=wx.Size(0, 24), style=wx.TE_PROCESS_ENTER)

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        self.Bind(wx.EVT_TEXT_ENTER, self.GetControlValueTestFunction(self.Hours), id=ID_DURATIONEDITORDIALOGHOURS)

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        self.MinutesLabel = wx.StaticText(id=ID_DURATIONEDITORDIALOGMINUTESLABEL,

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              label=_('Minutes:'), name='MinutesLabel', parent=self,

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              pos=wx.Point(0, 0), size=wx.Size(0, 17), style=0)

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        self.Minutes = wx.TextCtrl(id=ID_DURATIONEDITORDIALOGMINUTES, value='0',

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

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              size=wx.Size(0, 24), style=wx.TE_PROCESS_ENTER)

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        self.Bind(wx.EVT_TEXT_ENTER, self.GetControlValueTestFunction(self.Minutes), id=ID_DURATIONEDITORDIALOGMINUTES)

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        self.SecondsLabel = wx.StaticText(id=ID_DURATIONEDITORDIALOGSECONDSLABEL,

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              label=_('Seconds:'), name='SecondsLabel', parent=self,

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              pos=wx.Point(0, 0), size=wx.Size(0, 17), style=0)

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        self.Seconds = wx.TextCtrl(id=ID_DURATIONEDITORDIALOGSECONDS, value='0',

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

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              size=wx.Size(0, 24), style=wx.TE_PROCESS_ENTER)

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        self.Bind(wx.EVT_TEXT_ENTER, self.GetControlValueTestFunction(self.Seconds), id=ID_DURATIONEDITORDIALOGSECONDS)

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        self.MillisecondsLabel = wx.StaticText(id=ID_DURATIONEDITORDIALOGMILLISECONDSLABEL,

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              label=_('Milliseconds:'), name='MillisecondsLabel', parent=self,

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              pos=wx.Point(0, 0), size=wx.Size(0, 17), style=0)

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        self.Milliseconds = wx.TextCtrl(id=ID_DURATIONEDITORDIALOGMILLISECONDS, value='0',

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

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              size=wx.Size(0, 24), style=wx.TE_PROCESS_ENTER)

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        self.Bind(wx.EVT_TEXT_ENTER, self.GetControlValueTestFunction(self.Milliseconds), id=ID_DURATIONEDITORDIALOGMILLISECONDS)

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        self.ButtonSizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE)

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        if wx.VERSION >= (2, 5, 0):

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            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.ButtonSizer.GetAffirmativeButton().GetId())

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        else:

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            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.ButtonSizer.GetChildren()[0].GetSizer().GetChildren()[0].GetWindow().GetId())

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        self._init_sizers()

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    def __init__(self, parent):

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        self._init_ctrls(parent)

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        self.Days.SetFocus()

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    def SetDuration(self, value):

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        result = IEC_TIME_MODEL.match(value.upper())

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        if result is not None:

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            values = result.groups()

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            for control, index in [(self.Days, 1), (self.Hours, 2),

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                                   (self.Minutes, 3), (self.Seconds, 4),

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                                   (self.Milliseconds, 5)]:

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                value = values[index]

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                if value is not None:

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                    control.SetValue(str(value))

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    def GetControlValueTestFunction(self, control):

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        def OnValueChanged(event):

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            try:

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                value = float(control.GetValue())

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            except ValueError, e:

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                message = wx.MessageDialog(self, _("Invalid value!\nYou must fill a numeric value."), _("Error"), wx.OK|wx.ICON_ERROR)

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                message.ShowModal()

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                message.Destroy()

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            event.Skip()

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        return OnValueChanged

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    def GetDuration(self):

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        milliseconds = 0

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        for control, factor in [(self.Days, DAY), (self.Hours, HOUR),

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                                (self.Minutes, MINUTE), (self.Seconds, SECOND),

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                                (self.Milliseconds, 1)]:

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            milliseconds += float(control.GetValue()) * factor

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        not_null = False

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        duration = "T#"

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        for value, format in [(int(milliseconds) / DAY, "%dd"),

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                            ((int(milliseconds) % DAY) / HOUR, "%dh"),

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                            ((int(milliseconds) % HOUR) / MINUTE, "%dm"),

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                            ((int(milliseconds) % MINUTE) / SECOND, "%ds")]:

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            if value > 0 or not_null:

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                duration += format % value

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                not_null = True

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        duration += "%gms" % (milliseconds % SECOND)

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        return duration

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    def OnOK(self, event):

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        errors = []

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        for control, name in [(self.Days, "days"), (self.Hours, "hours"), 

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                              (self.Minutes, "minutes"), (self.Seconds, "seconds"),

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                              (self.Milliseconds, "milliseconds")]:

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            try:

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                value = float(control.GetValue())

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            except ValueError, e:

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                errors.append(name)

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        if len(errors) > 0:

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            if len(errors) == 1:

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                message = _("Field %s hasn't a valid value!") % errors[0]

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            else:

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                message = _("Fields %s haven't a valid value!") % ",".join(errors)

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            dialog = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR)

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            dialog.ShowModal()

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            dialog.Destroy()

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        else:

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            self.EndModal(wx.ID_OK)