HGKeeper

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

# This file is part of Beremiz, a Integrated Development Environment for

# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.

# See COPYING file for copyrights details.

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

# modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation; either version 2

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

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

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

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU General Public License for more details.

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

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

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

from __future__ import absolute_import

import re

import wx

from controls import CustomEditableListBox

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

# Helpers

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

DIMENSION_MODEL = re.compile(r"([0-9]+)\.\.([0-9]+)$")

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

# Array Type Dialog

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

class ArrayTypeDialog(wx.Dialog):

def __init__(self, parent, datatypes, infos):

wx.Dialog.__init__(self, parent, title=_('Edit array type properties'))

main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=10)

main_sizer.AddGrowableCol(0)

main_sizer.AddGrowableRow(1)

top_sizer = wx.BoxSizer(wx.HORIZONTAL)

main_sizer.AddSizer(top_sizer, border=20,

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

basetype_label = wx.StaticText(self, label=_('Base Type:'))

top_sizer.AddWindow(basetype_label, 1, flag=wx.ALIGN_BOTTOM)

self.BaseType = wx.ComboBox(self, style=wx.CB_READONLY)

top_sizer.AddWindow(self.BaseType, 1, flag=wx.GROW)

self.Dimensions = CustomEditableListBox(self, label=_("Dimensions:"),

style=(wx.gizmos.EL_ALLOW_NEW |

wx.gizmos.EL_ALLOW_EDIT |

wx.gizmos.EL_ALLOW_DELETE))

for func in ["_OnLabelEndEdit",

"_OnAddButton",

"_OnDelButton",

"_OnUpButton",

"_OnDownButton"]:

setattr(self.Dimensions, func, self.OnDimensionsChanged)

main_sizer.AddSizer(self.Dimensions, border=20,

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

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

self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton())

main_sizer.AddSizer(button_sizer, border=20,

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

self.SetSizer(main_sizer)

for datatype in datatypes:

self.BaseType.Append(datatype)

if isinstance(infos, tuple) and infos[0] == "array":

self.BaseType.SetStringSelection(infos[1])

self.Dimensions.SetStrings(map("..".join, infos[2]))

elif infos in datatypes:

self.BaseType.SetStringSelection(infos)

self.BaseType.SetFocus()

self.Fit()

def GetDimensions(self):

message = None

dimensions_list = []

dimension_strings = self.Dimensions.GetStrings()

if len(dimension_strings) == 0:

message = _("Empty dimension isn't allowed.")

for dimensions in dimension_strings:

result = DIMENSION_MODEL.match(dimensions)

if result is None:

message = _("\"%s\" value isn't a valid array dimension!") % dimensions

break

bounds = result.groups()

if int(bounds[0]) >= int(bounds[1]):

message = _("\"%s\" value isn't a valid array dimension!\nRight value must be greater than left value.") % dimensions

break

dimensions_list.append(bounds)

if message is not None:

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

dlg.ShowModal()

dlg.Destroy()

return None

return dimensions_list

def OnDimensionsChanged(self, event):

wx.CallAfter(self.GetDimensions)

event.Skip()

def OnOK(self, event):

if self.GetDimensions() is not None:

self.EndModal(wx.ID_OK)

def GetValue(self):

return "array", self.BaseType.GetStringSelection(), self.GetDimensions()

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