# -*- coding: utf-8 -*-
#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
#based on the plcopen standard.
#
#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
#See COPYING file for copyrights details.
#
#This library is free software; you can redistribute it and/or
#modify it under the terms of the GNU General Public
#License as published by the Free Software Foundation; either
#version 2.1 of the License, or (at your option) any later version.
#
#This library is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
#General Public License for more details.
#
#You should have received a copy of the GNU General Public
#License along with this library; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import wx
from graphics import *
#-------------------------------------------------------------------------------
# Edit Step Content Dialog
#-------------------------------------------------------------------------------
class SFCStepDialog(wx.Dialog):
def __init__(self, parent, controller, initial = False):
wx.Dialog.__init__(self, parent, title=_('Edit Step'),
size=wx.Size(400, 250))
main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=10)
main_sizer.AddGrowableCol(0)
main_sizer.AddGrowableRow(0)
column_sizer = wx.BoxSizer(wx.HORIZONTAL)
main_sizer.AddSizer(column_sizer, border=20,
flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT)
left_gridsizer = wx.FlexGridSizer(cols=1, hgap=0, rows=6, vgap=5)
left_gridsizer.AddGrowableCol(0)
column_sizer.AddSizer(left_gridsizer, 1, border=5,
flag=wx.GROW|wx.RIGHT)
name_label = wx.StaticText(self, label=_('Name:'))
left_gridsizer.AddWindow(name_label, flag=wx.GROW)
self.StepName = wx.TextCtrl(self)
self.Bind(wx.EVT_TEXT, self.OnNameChanged, self.StepName)
left_gridsizer.AddWindow(self.StepName, flag=wx.GROW)
connectors_label = wx.StaticText(self, label=_('Connectors:'))
left_gridsizer.AddWindow(connectors_label, flag=wx.GROW)
self.Input = wx.CheckBox(self, label=_("Input"))
self.Bind(wx.EVT_CHECKBOX, self.OnConnectorsChanged, self.Input)
left_gridsizer.AddWindow(self.Input, flag=wx.GROW)
self.Output = wx.CheckBox(self, label=_("Output"))
self.Bind(wx.EVT_CHECKBOX, self.OnConnectorsChanged, self.Output)
left_gridsizer.AddWindow(self.Output, flag=wx.GROW)
self.Action = wx.CheckBox(self, label=_("Action"))
self.Bind(wx.EVT_CHECKBOX, self.OnConnectorsChanged, self.Action)
left_gridsizer.AddWindow(self.Action, flag=wx.GROW)
right_gridsizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)
right_gridsizer.AddGrowableCol(0)
right_gridsizer.AddGrowableRow(1)
column_sizer.AddSizer(right_gridsizer, 1, border=5,
flag=wx.GROW|wx.LEFT)
preview_label = wx.StaticText(self, label=_('Preview:'))
right_gridsizer.AddWindow(preview_label, flag=wx.GROW)
self.Preview = wx.Panel(self,
style=wx.TAB_TRAVERSAL|wx.SIMPLE_BORDER)
self.Preview.SetBackgroundColour(wx.Colour(255,255,255))
setattr(self.Preview, "GetDrawingMode", lambda:FREEDRAWING_MODE)
setattr(self.Preview, "RefreshStepModel", lambda x:None)
setattr(self.Preview, "GetScaling", lambda:None)
setattr(self.Preview, "IsOfType", controller.IsOfType)
self.Preview.Bind(wx.EVT_PAINT, self.OnPaint)
right_gridsizer.AddWindow(self.Preview, flag=wx.GROW)
button_sizer = self.CreateButtonSizer(
wx.OK|wx.CANCEL|wx.CENTRE)
self.Bind(wx.EVT_BUTTON, self.OnOK,
button_sizer.GetAffirmativeButton())
main_sizer.AddSizer(button_sizer, border=20,
flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
self.SetSizer(main_sizer)
self.Step = None
self.Initial = initial
self.MinStepSize = None
self.PouNames = []
self.Variables = []
self.StepNames = []
self.StepName.SetFocus()
def SetPreviewFont(self, font):
self.Preview.SetFont(font)
def OnOK(self, event):
message = None
step_name = self.StepName.GetValue()
if step_name == "":
message = _("You must type a name!")
elif not TestIdentifier(step_name):
message = _("\"%s\" is not a valid identifier!") % step_name
elif step_name.upper() in IEC_KEYWORDS:
message = _("\"%s\" is a keyword. It can't be used!") % step_name
elif step_name.upper() in self.PouNames:
message = _("A POU named \"%s\" already exists!") % step_name
elif step_name.upper() in self.Variables:
message = _("A variable with \"%s\" as name already exists in this pou!") % step_name
elif step_name.upper() in self.StepNames:
message = _("\"%s\" step already exists!") % step_name
if message is not None:
dialog = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR)
dialog.ShowModal()
dialog.Destroy()
else:
self.EndModal(wx.ID_OK)
def SetMinStepSize(self, size):
self.MinStepSize = size
def SetPouNames(self, pou_names):
self.PouNames = [pou_name.upper() for pou_name in pou_names]
def SetVariables(self, variables):
self.Variables = [var["Name"].upper() for var in variables]
def SetStepNames(self, step_names):
self.StepNames = [step_name.upper() for step_name in step_names]
def SetValues(self, values):
value_name = values.get("name", None)
if value_name:
self.StepName.SetValue(value_name)
else:
self.StepName.SetValue("")
self.Input.SetValue(values.get("input", False))
self.Output.SetValue(values.get("output", False))
self.Action.SetValue(values.get("action", False))
self.RefreshPreview()
def GetValues(self):
values = {}
values["name"] = self.StepName.GetValue()
values["input"] = self.Input.IsChecked()
values["output"] = self.Output.IsChecked()
values["action"] = self.Action.IsChecked()
values["width"], values["height"] = self.Step.GetSize()
return values
def OnConnectorsChanged(self, event):
self.RefreshPreview()
event.Skip()
def OnNameChanged(self, event):
self.RefreshPreview()
event.Skip()
def RefreshPreview(self):
dc = wx.ClientDC(self.Preview)
dc.SetFont(self.Preview.GetFont())
dc.Clear()
self.Step = SFC_Step(self.Preview, self.StepName.GetValue(), self.Initial)
if self.Input.IsChecked():
self.Step.AddInput()
else:
self.Step.RemoveInput()
if self.Output.IsChecked():
self.Step.AddOutput()
else:
self.Step.RemoveOutput()
if self.Action.IsChecked():
self.Step.AddAction()
else:
self.Step.RemoveAction()
width, height = self.MinStepSize
min_width, min_height = self.Step.GetMinSize()
width, height = max(min_width, width), max(min_height, height)
self.Step.SetSize(width, height)
clientsize = self.Preview.GetClientSize()
x = (clientsize.width - width) / 2
y = (clientsize.height - height) / 2
self.Step.SetPosition(x, y)
self.Step.Draw(dc)
def OnPaint(self, event):
self.RefreshPreview()
event.Skip()