dialogs/DurationEditorDialog.py
changeset 814 5743cbdff669
child 831 dec885ba1f2b
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813:1460273f40ed 814:5743cbdff669
       
     1 #!/usr/bin/env python
       
     2 # -*- coding: utf-8 -*-
       
     3 
       
     4 #This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
       
     5 #based on the plcopen standard. 
       
     6 #
       
     7 #Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
       
     8 #
       
     9 #See COPYING file for copyrights details.
       
    10 #
       
    11 #This library is free software; you can redistribute it and/or
       
    12 #modify it under the terms of the GNU General Public
       
    13 #License as published by the Free Software Foundation; either
       
    14 #version 2.1 of the License, or (at your option) any later version.
       
    15 #
       
    16 #This library is distributed in the hope that it will be useful,
       
    17 #but WITHOUT ANY WARRANTY; without even the implied warranty of
       
    18 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
       
    19 #General Public License for more details.
       
    20 #
       
    21 #You should have received a copy of the GNU General Public
       
    22 #License along with this library; if not, write to the Free Software
       
    23 #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
       
    24 
       
    25 import re
       
    26 
       
    27 import wx
       
    28 
       
    29 #-------------------------------------------------------------------------------
       
    30 #                                  Helpers
       
    31 #-------------------------------------------------------------------------------
       
    32 
       
    33 MICROSECONDS = 0.001
       
    34 MILLISECONDS = 1
       
    35 SECOND = 1000
       
    36 MINUTE = 60 * SECOND
       
    37 HOUR = 60 * MINUTE
       
    38 DAY = 24 * HOUR
       
    39 
       
    40 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]+)?"})
       
    41 
       
    42 CONTROLS = [
       
    43     ("Days", _('Days:')),
       
    44     ("Hours", _('Hours:')),
       
    45     ("Minutes", _('Minutes:')),
       
    46     ("Seconds", _('Seconds:')),
       
    47     ("Milliseconds", _('Milliseconds:')),
       
    48     ("Microseconds", _('Microseconds:')),
       
    49 ]
       
    50 
       
    51 #-------------------------------------------------------------------------------
       
    52 #                         Edit Duration Value Dialog
       
    53 #-------------------------------------------------------------------------------
       
    54 
       
    55 class DurationEditorDialog(wx.Dialog):
       
    56 
       
    57     def __init__(self, parent):
       
    58         wx.Dialog.__init__(self, parent, 
       
    59               size=wx.Size(700, 200), title=_('Edit Duration'))
       
    60         
       
    61         main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=10)
       
    62         main_sizer.AddGrowableCol(0)
       
    63         main_sizer.AddGrowableRow(0)
       
    64         
       
    65         controls_sizer = wx.FlexGridSizer(cols=len(CONTROLS), hgap=10, rows=2, vgap=10)
       
    66         main_sizer.AddSizer(controls_sizer, border=20, 
       
    67               flag=wx.TOP|wx.LEFT|wx.RIGHT|wx.GROW)
       
    68         
       
    69         controls = []
       
    70         for i, (name, label) in enumerate(CONTROLS):
       
    71             controls_sizer.AddGrowableCol(i)
       
    72             
       
    73             st = wx.StaticText(self, label=label)
       
    74             txtctrl = wx.TextCtrl(self, value='0', style=wx.TE_PROCESS_ENTER)
       
    75             self.Bind(wx.EVT_TEXT_ENTER, 
       
    76                       self.GetControlValueTestFunction(txtctrl), 
       
    77                       txtctrl)
       
    78             setattr(self, name, txtctrl)
       
    79         
       
    80             controls.append((st, txtctrl))
       
    81             
       
    82         for st, txtctrl in controls:
       
    83             controls_sizer.AddWindow(st, flag=wx.GROW)
       
    84             
       
    85         for st, txtctrl in controls:
       
    86             controls_sizer.AddWindow(txtctrl, flag=wx.GROW)
       
    87         
       
    88         button_sizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE)
       
    89         self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton())
       
    90         main_sizer.AddSizer(button_sizer, border=20, 
       
    91               flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
       
    92         
       
    93         self.SetSizer(main_sizer)
       
    94         
       
    95         self.Days.SetFocus()
       
    96         
       
    97     def SetDuration(self, value):
       
    98         result = IEC_TIME_MODEL.match(value.upper())
       
    99         if result is not None:
       
   100             values = result.groups()
       
   101             for control, index in [(self.Days, 1), (self.Hours, 2),
       
   102                                    (self.Minutes, 3), (self.Seconds, 4)]:
       
   103                 value = values[index]
       
   104                 if value is not None:
       
   105                     control.SetValue(value)
       
   106                 else:
       
   107                     control.SetValue("0")
       
   108             milliseconds = values[5]
       
   109             if milliseconds is not None:
       
   110                 self.Milliseconds.SetValue("%d" % int(float(milliseconds)))
       
   111                 self.Microseconds.SetValue("%.3f" % ((float(milliseconds) % MILLISECONDS) / MICROSECONDS))
       
   112             else:
       
   113                 self.Milliseconds.SetValue("0")
       
   114                 self.Microseconds.SetValue("0")
       
   115         
       
   116     def GetControlValueTestFunction(self, control):
       
   117         def OnValueChanged(event):
       
   118             try:
       
   119                 value = float(control.GetValue())
       
   120             except ValueError, e:
       
   121                 message = wx.MessageDialog(self, _("Invalid value!\nYou must fill a numeric value."), _("Error"), wx.OK|wx.ICON_ERROR)
       
   122                 message.ShowModal()
       
   123                 message.Destroy()
       
   124             event.Skip()
       
   125         return OnValueChanged
       
   126 
       
   127     def GetDuration(self):
       
   128         milliseconds = 0
       
   129         for control, factor in [(self.Days, DAY), (self.Hours, HOUR),
       
   130                                 (self.Minutes, MINUTE), (self.Seconds, SECOND),
       
   131                                 (self.Milliseconds, MILLISECONDS), (self.Microseconds, MICROSECONDS)]:
       
   132             
       
   133             milliseconds += float(control.GetValue()) * factor
       
   134         
       
   135         not_null = False
       
   136         duration = "T#"
       
   137         for value, format in [(int(milliseconds) / DAY, "%dd"),
       
   138                             ((int(milliseconds) % DAY) / HOUR, "%dh"),
       
   139                             ((int(milliseconds) % HOUR) / MINUTE, "%dm"),
       
   140                             ((int(milliseconds) % MINUTE) / SECOND, "%ds")]:
       
   141             
       
   142             if value > 0 or not_null:
       
   143                 duration += format % value
       
   144                 not_null = True
       
   145         
       
   146         duration += "%gms" % (milliseconds % SECOND)
       
   147         return duration
       
   148     
       
   149     def OnOK(self, event):
       
   150         errors = []
       
   151         for control, name in [(self.Days, "days"), (self.Hours, "hours"), 
       
   152                               (self.Minutes, "minutes"), (self.Seconds, "seconds"),
       
   153                               (self.Milliseconds, "milliseconds")]:
       
   154             try:
       
   155                 value = float(control.GetValue())
       
   156             except ValueError, e:
       
   157                 errors.append(name)
       
   158         if len(errors) > 0:
       
   159             if len(errors) == 1:
       
   160                 message = _("Field %s hasn't a valid value!") % errors[0]
       
   161             else:
       
   162                 message = _("Fields %s haven't a valid value!") % ",".join(errors)
       
   163             dialog = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR)
       
   164             dialog.ShowModal()
       
   165             dialog.Destroy()
       
   166         else:
       
   167             self.EndModal(wx.ID_OK)