laurent@409: #!/usr/bin/env python laurent@409: # -*- coding: utf-8 -*- laurent@409: laurent@409: #This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor laurent@409: #based on the plcopen standard. laurent@409: # laurent@409: #Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD laurent@409: # laurent@409: #See COPYING file for copyrights details. laurent@409: # laurent@409: #This library is free software; you can redistribute it and/or laurent@409: #modify it under the terms of the GNU General Public laurent@409: #License as published by the Free Software Foundation; either laurent@409: #version 2.1 of the License, or (at your option) any later version. laurent@409: # laurent@409: #This library is distributed in the hope that it will be useful, laurent@409: #but WITHOUT ANY WARRANTY; without even the implied warranty of laurent@409: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU laurent@409: #General Public License for more details. laurent@409: # laurent@409: #You should have received a copy of the GNU General Public laurent@409: #License along with this library; if not, write to the Free Software laurent@409: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA laurent@409: laurent@409: import wx laurent@409: laurent@409: from graphics import * laurent@409: laurent@409: #------------------------------------------------------------------------------- Laurent@714: # Helpers Laurent@714: #------------------------------------------------------------------------------- laurent@409: laurent@409: VARIABLE_CLASSES_DICT = {INPUT : _("Input"), laurent@409: INOUT : _("InOut"), laurent@409: OUTPUT : _("Output")} Laurent@714: VARIABLE_CLASSES_DICT_REVERSE = dict( Laurent@714: [(value, key) for key, value in VARIABLE_CLASSES_DICT.iteritems()]) Laurent@714: Laurent@714: #------------------------------------------------------------------------------- Laurent@714: # Create New Variable Dialog Laurent@714: #------------------------------------------------------------------------------- laurent@409: laurent@409: class FBDVariableDialog(wx.Dialog): Laurent@714: Laurent@714: def __init__(self, parent, controller, transition = ""): Laurent@714: wx.Dialog.__init__(self, parent, Laurent@714: size=wx.Size(400, 380), title=_('Variable Properties')) Laurent@714: Laurent@714: main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=4, vgap=10) Laurent@714: main_sizer.AddGrowableCol(0) Laurent@714: main_sizer.AddGrowableRow(2) Laurent@714: Laurent@714: column_sizer = wx.BoxSizer(wx.HORIZONTAL) Laurent@714: main_sizer.AddSizer(column_sizer, border=20, Laurent@714: flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT) Laurent@714: Laurent@714: left_gridsizer = wx.FlexGridSizer(cols=1, hgap=0, rows=6, vgap=5) Laurent@714: left_gridsizer.AddGrowableCol(0) Laurent@714: column_sizer.AddSizer(left_gridsizer, 1, border=5, Laurent@714: flag=wx.GROW|wx.RIGHT) Laurent@714: Laurent@714: class_label = wx.StaticText(self, label=_('Class:')) Laurent@714: left_gridsizer.AddWindow(class_label, flag=wx.GROW) Laurent@714: Laurent@714: self.Class = wx.ComboBox(self, style=wx.CB_READONLY) Laurent@714: self.Bind(wx.EVT_COMBOBOX, self.OnClassChanged, self.Class) Laurent@714: left_gridsizer.AddWindow(self.Class, flag=wx.GROW) Laurent@714: Laurent@714: expression_label = wx.StaticText(self, label=_('Expression:')) Laurent@714: left_gridsizer.AddWindow(expression_label, flag=wx.GROW) Laurent@714: Laurent@714: self.Expression = wx.TextCtrl(self) Laurent@714: self.Bind(wx.EVT_TEXT, self.OnExpressionChanged, self.Expression) Laurent@714: left_gridsizer.AddWindow(self.Expression, flag=wx.GROW) Laurent@714: Laurent@714: execution_order_label = wx.StaticText(self, label=_('Execution Order:')) Laurent@714: left_gridsizer.AddWindow(execution_order_label, flag=wx.GROW) Laurent@714: Laurent@714: self.ExecutionOrder = wx.SpinCtrl(self, min=0, style=wx.SP_ARROW_KEYS) Laurent@714: self.Bind(wx.EVT_SPINCTRL, self.OnExecutionOrderChanged, self.ExecutionOrder) Laurent@714: left_gridsizer.AddWindow(self.ExecutionOrder, flag=wx.GROW) Laurent@714: Laurent@714: right_gridsizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5) Laurent@714: right_gridsizer.AddGrowableCol(0) Laurent@714: right_gridsizer.AddGrowableRow(1) Laurent@714: column_sizer.AddSizer(right_gridsizer, 1, border=5, Laurent@714: flag=wx.GROW|wx.LEFT) Laurent@714: Laurent@714: name_label = wx.StaticText(self, label=_('Name:')) Laurent@714: right_gridsizer.AddWindow(name_label, flag=wx.GROW) Laurent@714: Laurent@741: self.VariableName = wx.ListBox(self, size=wx.Size(0, 0), Laurent@741: style=wx.LB_SINGLE|wx.LB_SORT) Laurent@714: self.Bind(wx.EVT_LISTBOX, self.OnNameChanged, self.VariableName) Laurent@714: right_gridsizer.AddWindow(self.VariableName, flag=wx.GROW) Laurent@714: Laurent@714: preview_label = wx.StaticText(self, label=_('Preview:')) Laurent@714: main_sizer.AddWindow(preview_label, border=20, Laurent@714: flag=wx.GROW|wx.LEFT|wx.RIGHT) Laurent@714: Laurent@714: self.Preview = wx.Panel(self, Laurent@714: style=wx.TAB_TRAVERSAL|wx.SIMPLE_BORDER) laurent@409: self.Preview.SetBackgroundColour(wx.Colour(255,255,255)) laurent@409: setattr(self.Preview, "GetDrawingMode", lambda:FREEDRAWING_MODE) laurent@409: setattr(self.Preview, "GetScaling", lambda:None) Laurent@714: setattr(self.Preview, "IsOfType", controller.IsOfType) Laurent@714: self.Preview.Bind(wx.EVT_PAINT, self.OnPaint) Laurent@714: main_sizer.AddWindow(self.Preview, border=20, Laurent@714: flag=wx.GROW|wx.LEFT|wx.RIGHT) Laurent@714: Laurent@714: button_sizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE) Laurent@714: self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton()) Laurent@714: main_sizer.AddSizer(button_sizer, border=20, Laurent@714: flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT) Laurent@714: Laurent@714: self.SetSizer(main_sizer) Laurent@714: laurent@409: self.Transition = transition laurent@409: self.Variable = None laurent@409: self.VarList = [] laurent@409: self.MinVariableSize = None laurent@409: laurent@409: for choice in VARIABLE_CLASSES_DICT.itervalues(): laurent@409: self.Class.Append(choice) laurent@409: self.Class.SetStringSelection(VARIABLE_CLASSES_DICT[INPUT]) laurent@409: laurent@409: self.RefreshNameList() laurent@577: self.Class.SetFocus() laurent@409: laurent@409: def SetPreviewFont(self, font): laurent@409: self.Preview.SetFont(font) laurent@409: laurent@409: def RefreshNameList(self): laurent@409: selected = self.VariableName.GetStringSelection() laurent@409: var_class = VARIABLE_CLASSES_DICT_REVERSE[self.Class.GetStringSelection()] laurent@409: self.VariableName.Clear() laurent@409: self.VariableName.Append("") laurent@409: for name, var_type, value_type in self.VarList: laurent@409: if var_type != "Input" or var_class == INPUT: laurent@409: self.VariableName.Append(name) laurent@409: if selected != "" and self.VariableName.FindString(selected) != wx.NOT_FOUND: laurent@409: self.VariableName.SetStringSelection(selected) laurent@409: self.Expression.Enable(False) laurent@409: else: laurent@409: self.VariableName.SetStringSelection("") laurent@488: #self.Expression.Enable(var_class == INPUT) laurent@409: self.VariableName.Enable(self.VariableName.GetCount() > 0) laurent@409: laurent@409: def SetMinVariableSize(self, size): laurent@409: self.MinVariableSize = size laurent@409: laurent@409: def SetVariables(self, vars): laurent@409: self.VarList = vars laurent@409: self.RefreshNameList() laurent@409: laurent@409: def SetValues(self, values): laurent@409: value_type = values.get("type", None) laurent@409: value_name = values.get("name", None) laurent@409: if value_type: laurent@409: self.Class.SetStringSelection(VARIABLE_CLASSES_DICT[value_type]) laurent@409: self.RefreshNameList() laurent@409: if value_name: laurent@409: if self.VariableName.FindString(value_name) != wx.NOT_FOUND: laurent@409: self.VariableName.SetStringSelection(value_name) laurent@409: self.Expression.Enable(False) laurent@409: else: laurent@409: self.Expression.SetValue(value_name) laurent@409: self.VariableName.Enable(False) laurent@409: if "executionOrder" in values: laurent@409: self.ExecutionOrder.SetValue(values["executionOrder"]) laurent@409: self.RefreshPreview() laurent@409: laurent@409: def GetValues(self): laurent@409: values = {} laurent@409: values["type"] = VARIABLE_CLASSES_DICT_REVERSE[self.Class.GetStringSelection()] laurent@409: expression = self.Expression.GetValue() laurent@409: if self.Expression.IsEnabled() and expression != "": laurent@409: values["name"] = expression laurent@409: else: laurent@409: values["name"] = self.VariableName.GetStringSelection() laurent@409: values["value_type"] = None laurent@409: for var_name, var_type, value_type in self.VarList: laurent@409: if var_name == values["name"]: laurent@409: values["value_type"] = value_type laurent@409: values["width"], values["height"] = self.Variable.GetSize() laurent@409: values["executionOrder"] = self.ExecutionOrder.GetValue() laurent@409: return values laurent@409: laurent@409: def OnOK(self, event): Laurent@714: message = None laurent@409: expression = self.Expression.GetValue() laurent@409: if self.Expression.IsEnabled(): laurent@409: value = expression laurent@409: else: laurent@409: value = self.VariableName.GetStringSelection() laurent@409: if value == "": Laurent@714: message = _("At least a variable or an expression must be selected!") laurent@409: elif value.upper() in IEC_KEYWORDS: Laurent@714: message = _("\"%s\" is a keyword. It can't be used!") % value Laurent@714: if message is not None: Laurent@714: message = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR) laurent@409: message.ShowModal() laurent@409: message.Destroy() laurent@409: else: laurent@409: self.EndModal(wx.ID_OK) laurent@409: laurent@409: def OnClassChanged(self, event): laurent@409: self.RefreshNameList() laurent@409: self.RefreshPreview() laurent@409: event.Skip() laurent@409: laurent@409: def OnNameChanged(self, event): laurent@409: if self.VariableName.GetStringSelection() != "": laurent@409: self.Expression.Enable(False) laurent@409: elif VARIABLE_CLASSES_DICT_REVERSE[self.Class.GetStringSelection()] == INPUT: laurent@409: self.Expression.Enable(True) laurent@409: self.RefreshPreview() laurent@409: event.Skip() laurent@409: laurent@409: def OnExpressionChanged(self, event): laurent@409: if self.Expression.GetValue() != "": laurent@409: self.VariableName.Enable(False) laurent@409: else: laurent@409: self.VariableName.Enable(True) laurent@409: self.RefreshPreview() laurent@409: event.Skip() laurent@409: laurent@409: def OnExecutionOrderChanged(self, event): laurent@409: self.RefreshPreview() laurent@409: event.Skip() laurent@409: laurent@409: def RefreshPreview(self): laurent@409: dc = wx.ClientDC(self.Preview) laurent@409: dc.SetFont(self.Preview.GetFont()) laurent@409: dc.Clear() laurent@409: expression = self.Expression.GetValue() laurent@409: if self.Expression.IsEnabled() and expression != "": laurent@409: name = expression laurent@409: else: laurent@409: name = self.VariableName.GetStringSelection() laurent@409: type = "" laurent@409: for var_name, var_type, value_type in self.VarList: laurent@409: if var_name == name: laurent@409: type = value_type laurent@409: classtype = VARIABLE_CLASSES_DICT_REVERSE[self.Class.GetStringSelection()] laurent@409: self.Variable = FBD_Variable(self.Preview, classtype, name, type, executionOrder = self.ExecutionOrder.GetValue()) laurent@409: width, height = self.MinVariableSize laurent@409: min_width, min_height = self.Variable.GetMinSize() laurent@409: width, height = max(min_width, width), max(min_height, height) laurent@409: self.Variable.SetSize(width, height) laurent@409: clientsize = self.Preview.GetClientSize() laurent@409: x = (clientsize.width - width) / 2 laurent@409: y = (clientsize.height - height) / 2 laurent@409: self.Variable.SetPosition(x, y) laurent@409: self.Variable.Draw(dc) laurent@409: laurent@409: def OnPaint(self, event): laurent@409: self.RefreshPreview() laurent@409: event.Skip()