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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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from types import TupleType

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import wx

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from controls import CustomEditableListBox

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

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[ID_ARRAYTYPEDIALOG, ID_ARRAYTYPEDIALOGBASETYPE, 

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 ID_ARRAYTYPEDIALOGDIMENSIONS, ID_ARRAYTYPEDIALOGDIALOGSTATICTEXT1, 

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] = [wx.NewId() for _init_ctrls in range(4)]

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class ArrayTypeDialog(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_flexGridSizer1_Items(self, parent):

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

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        parent.AddWindow(self.Dimensions, 0, border=20, flag=wx.GROW|wx.ALIGN_RIGHT|wx.LEFT|wx.RIGHT)

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

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    def _init_coll_flexGridSizer1_Growables(self, parent):

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        parent.AddGrowableCol(0)

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        parent.AddGrowableRow(1)

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    def _init_coll_TopSizer_Items(self, parent):

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        parent.AddWindow(self.staticText1, 1, border=0, flag=wx.GROW)

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        parent.AddWindow(self.BaseType, 1, border=0, flag=wx.GROW)

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    def _init_sizers(self):

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        self.flexGridSizer1 = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=10)

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        self.TopSizer = wx.BoxSizer(wx.HORIZONTAL)

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        self._init_coll_flexGridSizer1_Items(self.flexGridSizer1)

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        self._init_coll_flexGridSizer1_Growables(self.flexGridSizer1)

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        self._init_coll_TopSizer_Items(self.TopSizer)

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        self.SetSizer(self.flexGridSizer1)

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    def _init_ctrls(self, prnt):

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

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              name='ArrayTypeDialog', parent=prnt,

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              size=wx.Size(500, 300), style=wx.DEFAULT_DIALOG_STYLE|wx.RESIZE_BORDER,

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              title=_('Edit array type properties'))

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        self.SetClientSize(wx.Size(500, 300))

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        self.staticText1 = wx.StaticText(id=ID_ARRAYTYPEDIALOGDIALOGSTATICTEXT1,

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              label=_('Base Type:'), name='staticText1', parent=self,

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

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        self.BaseType = wx.ComboBox(id=ID_ARRAYTYPEDIALOGBASETYPE, 

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

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              size=wx.Size(0, 28), style=wx.CB_READONLY)

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        self.Dimensions = CustomEditableListBox(id=ID_ARRAYTYPEDIALOGDIMENSIONS, 

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              name='ArrayDimensions', parent=self, label=_("Dimensions:"), pos=wx.Point(0, 0),

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              size=wx.Size(0, 24), style=wx.gizmos.EL_ALLOW_NEW | wx.gizmos.EL_ALLOW_EDIT | wx.gizmos.EL_ALLOW_DELETE)

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        for func in ["_OnLabelEndEdit", "_OnAddButton", "_OnDelButton", "_OnUpButton", "_OnDownButton"]:

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

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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, datatypes, infos):

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        self._init_ctrls(parent)

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        for datatype in datatypes:

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            self.BaseType.Append(datatype)

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

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            self.BaseType.SetStringSelection(infos[1])

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

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        elif infos in datatypes:

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            self.BaseType.SetStringSelection(infos)

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        self.BaseType.SetFocus()

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    def GetDimensions(self):

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        dimensions_list = []

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        for dimensions in self.Dimensions.GetStrings():

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            result = DIMENSION_MODEL.match(dimensions)

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            if result is None:

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                message = wx.MessageDialog(self, _("\"%s\" value isn't a valid array dimension!")%dimensions, _("Error"), wx.OK|wx.ICON_ERROR)

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                message.ShowModal()

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                message.Destroy()

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                return None

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            bounds = result.groups()

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

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                message = wx.MessageDialog(self, _("\"%s\" value isn't a valid array dimension!\nRight value must be greater than left value.")%dimensions, _("Error"), wx.OK|wx.ICON_ERROR)

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                message.ShowModal()

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                message.Destroy()

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                return None

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            dimensions_list.append(bounds)

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        return dimensions_list

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    def OnDimensionsChanged(self, event):

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        wx.CallAfter(self.GetDimensions)

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        event.Skip()

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    def OnOK(self, event):

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        if self.GetDimensions() is not None:

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            self.EndModal(wx.ID_OK)

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    def GetValue(self):

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