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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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from graphics import *

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

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#                         Create New Divergence Dialog

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

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class SFCDivergenceDialog(wx.Dialog):

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    def __init__(self, parent, controller):

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        wx.Dialog.__init__(self, parent, size=wx.Size(500, 300), 

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              title=_('Create a new divergence or convergence'))

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

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        main_sizer.AddGrowableCol(0)

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        main_sizer.AddGrowableRow(0)

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        column_sizer = wx.BoxSizer(wx.HORIZONTAL)

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        main_sizer.AddSizer(column_sizer, border=20, 

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

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        left_gridsizer = wx.FlexGridSizer(cols=1, hgap=0, rows=7, vgap=5)

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        left_gridsizer.AddGrowableCol(0)

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        column_sizer.AddSizer(left_gridsizer, 1, border=5, 

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              flag=wx.GROW|wx.RIGHT)

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

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        left_gridsizer.AddWindow(type_label, flag=wx.GROW)

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        self.SelectionDivergence = wx.RadioButton(self, 

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              label=_('Selection Divergence'), style=wx.RB_GROUP)

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        self.SelectionDivergence.SetValue(True)

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        self.Bind(wx.EVT_RADIOBUTTON, self.OnTypeChanged, 

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                  self.SelectionDivergence)

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        left_gridsizer.AddWindow(self.SelectionDivergence, flag=wx.GROW)

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        self.SelectionConvergence = wx.RadioButton(self,

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              label=_('Selection Convergence'))

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        self.Bind(wx.EVT_RADIOBUTTON, self.OnTypeChanged, 

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                  self.SelectionConvergence)

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        left_gridsizer.AddWindow(self.SelectionConvergence, flag=wx.GROW)

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        self.SimultaneousDivergence = wx.RadioButton(self,

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              label=_('Simultaneous Divergence'))

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        self.Bind(wx.EVT_RADIOBUTTON, self.OnTypeChanged, 

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                  self.SimultaneousDivergence)

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        left_gridsizer.AddWindow(self.SimultaneousDivergence, flag=wx.GROW)

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        self.SimultaneousConvergence = wx.RadioButton(self,

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              label=_('Simultaneous Convergence'))

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        self.Bind(wx.EVT_RADIOBUTTON, self.OnTypeChanged, 

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                  self.SimultaneousConvergence)

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        left_gridsizer.AddWindow(self.SimultaneousConvergence, flag=wx.GROW)

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        sequences_label = wx.StaticText(self, 

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              label=_('Number of sequences:'))

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        left_gridsizer.AddWindow(sequences_label, flag=wx.GROW)

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        self.Sequences = wx.SpinCtrl(self, min=2, max=20)

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        self.Bind(wx.EVT_SPINCTRL, self.OnSequencesChanged, self.Sequences)

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        left_gridsizer.AddWindow(self.Sequences, flag=wx.GROW)

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

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        right_gridsizer.AddGrowableCol(0)

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        right_gridsizer.AddGrowableRow(1)

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        column_sizer.AddSizer(right_gridsizer, 1, border=5, 

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              flag=wx.GROW|wx.LEFT)

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        preview_label = wx.StaticText(self, label=_('Preview:'))

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        right_gridsizer.AddWindow(preview_label, flag=wx.GROW)

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        self.Preview = wx.Panel(self, style=wx.TAB_TRAVERSAL|wx.SIMPLE_BORDER)

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        self.Preview.SetBackgroundColour(wx.Colour(255,255,255))

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        self.Preview.Bind(wx.EVT_PAINT, self.OnPaint)

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        setattr(self.Preview, "GetDrawingMode", lambda:FREEDRAWING_MODE)

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        setattr(self.Preview, "IsOfType", controller.IsOfType)

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        right_gridsizer.AddWindow(self.Preview, flag=wx.GROW)

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

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        main_sizer.AddSizer(button_sizer, border=20, flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)

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        self.SetSizer(main_sizer)

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        self.Divergence = None

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        self.MinSize = (0, 0)

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        self.SelectionDivergence.SetFocus()

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    def SetPreviewFont(self, font):

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        self.Preview.SetFont(font)

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    def GetValues(self):

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        values = {}

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        if self.SelectionDivergence.GetValue():

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            values["type"] = SELECTION_DIVERGENCE

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        elif self.SelectionConvergence.GetValue():

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            values["type"] = SELECTION_CONVERGENCE

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        elif self.SimultaneousDivergence.GetValue():

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            values["type"] = SIMULTANEOUS_DIVERGENCE

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        else:

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            values["type"] = SIMULTANEOUS_CONVERGENCE

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        values["number"] = self.Sequences.GetValue()

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        return values

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    def SetMinSize(self, size):

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        self.MinSize = size

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    def OnTypeChanged(self, event):

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        self.RefreshPreview()

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        event.Skip()

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    def OnSequencesChanged(self, event):

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        self.RefreshPreview()

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        event.Skip()

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    def RefreshPreview(self):

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        dc = wx.ClientDC(self.Preview)

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        dc.SetFont(self.Preview.GetFont())

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        dc.Clear()

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        if self.SelectionDivergence.GetValue():

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            self.Divergence = SFC_Divergence(self.Preview, SELECTION_DIVERGENCE, self.Sequences.GetValue())

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        elif self.SelectionConvergence.GetValue():

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            self.Divergence = SFC_Divergence(self.Preview, SELECTION_CONVERGENCE, self.Sequences.GetValue())

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        elif self.SimultaneousDivergence.GetValue():

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            self.Divergence = SFC_Divergence(self.Preview, SIMULTANEOUS_DIVERGENCE, self.Sequences.GetValue())

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        else:

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            self.Divergence = SFC_Divergence(self.Preview, SIMULTANEOUS_CONVERGENCE, self.Sequences.GetValue())

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        width, height = self.Divergence.GetSize()

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        min_width, min_height = max(width, self.MinSize[0]), max(height, self.MinSize[1])

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        self.Divergence.SetSize(min_width, min_height)

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        clientsize = self.Preview.GetClientSize()

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        x = (clientsize.width - min_width) / 2

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        y = (clientsize.height - min_height) / 2

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        self.Divergence.SetPosition(x, y)

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        self.Divergence.Draw(dc)

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    def OnPaint(self, event):

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        self.RefreshPreview()

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        event.Skip()