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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 LEFTRAIL, RIGHTRAIL, LD_LINE_SIZE
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from graphics.LD_Objects import LD_PowerRail
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from BlockPreviewDialog import BlockPreviewDialog
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#-------------------------------------------------------------------------------
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# Set Ladder Power Rail Parameters Dialog
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#-------------------------------------------------------------------------------
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"""
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Class that implements a dialog for defining parameters of a power rail graphic
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element
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"""
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class LDPowerRailDialog(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(350, 260), title=_('Power Rail Properties'))
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# Create dialog main sizer
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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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# Create a sizer for dividing power rail parameters in two columns
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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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# Create a sizer for left column
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left_gridsizer = wx.FlexGridSizer(cols=1, hgap=0, rows=5, 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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# Create label for connection type
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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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# Create radio buttons for selecting power rail type
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self.TypeRadioButtons = {}
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first = True
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for type, label in [(LEFTRAIL, _('Left PowerRail')),
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(RIGHTRAIL, _('Right PowerRail'))]:
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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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left_gridsizer.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 power rail pin number
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pin_number_label = wx.StaticText(self, label=_('Pin number:'))
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left_gridsizer.AddWindow(pin_number_label, flag=wx.GROW)
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# Create spin control for defining power rail pin number
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self.PinNumber = wx.SpinCtrl(self, min=1, max=50,
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style=wx.SP_ARROW_KEYS)
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self.Bind(wx.EVT_SPINCTRL, self.OnPinNumberChanged, self.PinNumber)
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left_gridsizer.AddWindow(self.PinNumber, flag=wx.GROW)
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# Create a sizer for right column
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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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# Add preview panel and associated label to sizers
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right_gridsizer.AddWindow(self.PreviewLabel, flag=wx.GROW)
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right_gridsizer.AddWindow(self.Preview, flag=wx.GROW)
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# Add buttons sizer to sizers
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main_sizer.AddSizer(self.ButtonSizer, border=20,
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flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
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self.SetSizer(main_sizer)
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# Left Power Rail radio button is default control having keyboard focus
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self.TypeRadioButtons[LEFTRAIL].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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May be overridden by inherited classes
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"""
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return (2, LD_LINE_SIZE * self.PinNumber.GetValue())
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def GetPowerRailType(self):
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"""
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Return type selected for power rail
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@return: Type selected (LEFTRAIL or RIGHTRAIL)
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"""
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return (LEFTRAIL
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if self.TypeRadioButtons[LEFTRAIL].GetValue()
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else RIGHTRAIL)
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def SetValues(self, values):
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"""
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Set default power rail parameters
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@param values: Power rail parameters values
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"""
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# For each parameters defined, set corresponding control value
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for name, value in values.items():
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# Parameter is power rail type
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if name == "type":
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self.TypeRadioButtons[value].SetValue(True)
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# Parameter is power rail pin number
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elif name == "pin_number":
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self.PinNumber.SetValue(value)
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def GetValues(self):
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"""
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Return power rail parameters defined in dialog
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@return: {parameter_name: parameter_value,...}
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"""
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values = {
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"type": self.GetPowerRailType(),
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"pin_number": self.PinNumber.GetValue()}
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values["width"], values["height"] = self.Element.GetSize()
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return values
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def OnTypeChanged(self, event):
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"""
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Called when power rail 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 OnPinNumberChanged(self, event):
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"""
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Called when power rail pin number value 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 power rail element
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self.Element = LD_PowerRail(self.Preview,
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self.GetPowerRailType(),
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connectors = self.PinNumber.GetValue())
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# Call BlockPreviewDialog function
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BlockPreviewDialog.RefreshPreview(self)
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