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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.GraphicCommons import SELECTION_DIVERGENCE, \
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SELECTION_CONVERGENCE, SIMULTANEOUS_DIVERGENCE, SIMULTANEOUS_CONVERGENCE
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from graphics.SFC_Objects import SFC_Divergence
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from BlockPreviewDialog import BlockPreviewDialog
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#-------------------------------------------------------------------------------
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# Create New Divergence Dialog
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#-------------------------------------------------------------------------------
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"""
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Class that implements a dialog for defining parameters for creating a new
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divergence graphic element
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"""
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class SFCDivergenceDialog(BlockPreviewDialog):
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def __init__(self, parent, controller, tagname):
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"""
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Constructor
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@param parent: Parent wx.Window of dialog for modal
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@param controller: Reference to project controller
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@param tagname: Tagname of project POU edited
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"""
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BlockPreviewDialog.__init__(self, parent, controller, tagname,
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size=wx.Size(500, 300),
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title=_('Create a new divergence or convergence'))
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# Init common sizers
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self._init_sizers(2, 0, 7, None, 2, 1)
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# Create label for divergence type
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type_label = wx.StaticText(self, label=_('Type:'))
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self.LeftGridSizer.AddWindow(type_label, flag=wx.GROW)
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# Create radio buttons for selecting divergence type
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self.TypeRadioButtons = {}
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first = True
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for type, label in [
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(SELECTION_DIVERGENCE, _('Selection Divergence')),
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(SELECTION_CONVERGENCE, _('Selection Convergence')),
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(SIMULTANEOUS_DIVERGENCE, _('Simultaneous Divergence')),
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(SIMULTANEOUS_CONVERGENCE, _('Simultaneous Convergence'))]:
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radio_button = wx.RadioButton(self, label=label,
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style=(wx.RB_GROUP if first else 0))
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radio_button.SetValue(first)
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self.Bind(wx.EVT_RADIOBUTTON, self.OnTypeChanged, radio_button)
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self.LeftGridSizer.AddWindow(radio_button, flag=wx.GROW)
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self.TypeRadioButtons[type] = radio_button
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first = False
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# Create label for number of divergence sequences
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sequences_label = wx.StaticText(self,
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label=_('Number of sequences:'))
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self.LeftGridSizer.AddWindow(sequences_label, flag=wx.GROW)
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# Create spin control for defining number of divergence sequences
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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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self.LeftGridSizer.AddWindow(self.Sequences, flag=wx.GROW)
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# Add preview panel and associated label to sizers
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self.RightGridSizer.AddWindow(self.PreviewLabel, flag=wx.GROW)
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self.RightGridSizer.AddWindow(self.Preview, flag=wx.GROW)
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# Add buttons sizer to sizers
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self.MainSizer.AddSizer(self.ButtonSizer, border=20,
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flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
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# Selection divergence radio button is default control having keyboard
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# focus
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self.TypeRadioButtons[SELECTION_DIVERGENCE].SetFocus()
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def GetMinElementSize(self):
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"""
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Get minimal graphic element size
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@return: Tuple containing minimal size (width, height) or None if no
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element defined
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"""
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return self.Element.GetSize()
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def GetDivergenceType(self):
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"""
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Return type selected for SFC divergence
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@return: Type selected (None if not found)
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"""
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# Go through radio buttons and return type associated to the one that
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# is selected
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for type, control in self.TypeRadioButtons.iteritems():
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if control.GetValue():
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return type
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return None
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def GetValues(self):
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"""
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Set default SFC divergence parameters
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@param values: Divergence parameters values
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"""
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return {"type": self.GetDivergenceType(),
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"number": self.Sequences.GetValue()}
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def OnTypeChanged(self, event):
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"""
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Called when SFC divergence type changed
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@param event: wx.RadioButtonEvent
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"""
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self.RefreshPreview()
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event.Skip()
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def OnSequencesChanged(self, event):
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"""
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Called when SFC divergence number of sequences changed
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@param event: wx.SpinEvent
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"""
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self.RefreshPreview()
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event.Skip()
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def RefreshPreview(self):
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"""
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Refresh preview panel of graphic element
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Override BlockPreviewDialog function
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"""
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# Set graphic element displayed, creating a SFC divergence
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self.Element = SFC_Divergence(self.Preview,
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self.GetDivergenceType(),
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self.Sequences.GetValue())
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# Call BlockPreviewDialog function
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BlockPreviewDialog.RefreshPreview(self)
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