dialogs/LDPowerRailDialog.py
author Laurent Bessard
Thu, 25 Oct 2012 19:59:06 +0200
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child 1249 b956c924cbbd
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Add support for double bracket pragma in syntax highlighting of TextViewer
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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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#                      Edit Ladder Power Rail Properties Dialog
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#-------------------------------------------------------------------------------
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class LDPowerRailDialog(wx.Dialog):
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    def __init__(self, parent, controller, type = LEFTRAIL, number = 1):
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        wx.Dialog.__init__(self, parent, size=wx.Size(350, 260),
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              title=_('Power Rail Properties'))
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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=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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        type_label = wx.StaticText(self, label=_('Type:'))
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        left_gridsizer.AddWindow(type_label, flag=wx.GROW)
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        self.LeftPowerRail = wx.RadioButton(self,
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              label=_('Left PowerRail'), style=wx.RB_GROUP)
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        self.LeftPowerRail.SetValue(True)
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        self.Bind(wx.EVT_RADIOBUTTON, self.OnTypeChanged, self.LeftPowerRail)
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        left_gridsizer.AddWindow(self.LeftPowerRail, flag=wx.GROW)
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        self.RightPowerRail = wx.RadioButton(self, label=_('Right PowerRail'))
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        self.Bind(wx.EVT_RADIOBUTTON, self.OnTypeChanged, self.RightPowerRail)
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        left_gridsizer.AddWindow(self.RightPowerRail, flag=wx.GROW)
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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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        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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        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,
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              style=wx.TAB_TRAVERSAL|wx.SIMPLE_BORDER)
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        self.Preview.SetBackgroundColour(wx.Colour(255,255,255))
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        setattr(self.Preview, "GetDrawingMode", lambda:FREEDRAWING_MODE)
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        setattr(self.Preview, "GetScaling", lambda:None)
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        setattr(self.Preview, "IsOfType", controller.IsOfType)
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        self.Preview.Bind(wx.EVT_PAINT, self.OnPaint)
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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, 
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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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        self.Type = type
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        if type == LEFTRAIL:
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            self.LeftPowerRail.SetValue(True)
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        elif type == RIGHTRAIL:
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            self.RightPowerRail.SetValue(True)
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        self.PinNumber.SetValue(number)
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        self.PowerRailMinSize = (0, 0)
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        self.PowerRail = None
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        self.LeftPowerRail.SetFocus()
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    def SetPreviewFont(self, font):
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        self.Preview.SetFont(font)
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    def SetMinSize(self, size):
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        self.PowerRailMinSize = size
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        self.RefreshPreview()    
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    def GetValues(self):
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        values = {}
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        values["type"] = self.Type
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        values["number"] = self.PinNumber.GetValue()
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        values["width"], values["height"] = self.PowerRail.GetSize()
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        return values
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    def OnTypeChanged(self, event):
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        if self.LeftPowerRail.GetValue():
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            self.Type = LEFTRAIL
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        elif self.RightPowerRail.GetValue():
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            self.Type = RIGHTRAIL
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        self.RefreshPreview()
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        event.Skip()
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    def OnPinNumberChanged(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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        self.PowerRail = LD_PowerRail(self.Preview, self.Type, connectors = self.PinNumber.GetValue())
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        min_width, min_height = 2, LD_LINE_SIZE * self.PinNumber.GetValue()
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        width, height = max(min_width, self.PowerRailMinSize[0]), max(min_height, self.PowerRailMinSize[1])
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        self.PowerRail.SetSize(width, height)
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        clientsize = self.Preview.GetClientSize()
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        self.PowerRail.SetPosition((clientsize.width - width) / 2, (clientsize.height - height) / 2)
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        self.PowerRail.Draw(dc)
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    def OnPaint(self, event):
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        self.RefreshPreview()
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        event.Skip()