Laurent@814: #!/usr/bin/env python Laurent@814: # -*- coding: utf-8 -*- Laurent@814: Laurent@814: #This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor Laurent@814: #based on the plcopen standard. Laurent@814: # Laurent@814: #Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD Laurent@814: # Laurent@814: #See COPYING file for copyrights details. Laurent@814: # Laurent@814: #This library is free software; you can redistribute it and/or Laurent@814: #modify it under the terms of the GNU General Public Laurent@814: #License as published by the Free Software Foundation; either Laurent@814: #version 2.1 of the License, or (at your option) any later version. Laurent@814: # Laurent@814: #This library is distributed in the hope that it will be useful, Laurent@814: #but WITHOUT ANY WARRANTY; without even the implied warranty of Laurent@814: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Laurent@814: #General Public License for more details. Laurent@814: # Laurent@814: #You should have received a copy of the GNU General Public Laurent@814: #License along with this library; if not, write to the Free Software Laurent@814: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Laurent@814: Laurent@814: import wx Laurent@814: Laurent@814: from graphics import * Laurent@814: Laurent@814: #------------------------------------------------------------------------------- Laurent@814: # Helpers Laurent@814: #------------------------------------------------------------------------------- Laurent@814: Laurent@814: VARIABLE_CLASSES_DICT = {INPUT : _("Input"), Laurent@814: INOUT : _("InOut"), Laurent@814: OUTPUT : _("Output")} Laurent@814: VARIABLE_CLASSES_DICT_REVERSE = dict( Laurent@814: [(value, key) for key, value in VARIABLE_CLASSES_DICT.iteritems()]) Laurent@814: Laurent@814: #------------------------------------------------------------------------------- Laurent@814: # Create New Variable Dialog Laurent@814: #------------------------------------------------------------------------------- Laurent@814: Laurent@814: class FBDVariableDialog(wx.Dialog): Laurent@814: Laurent@814: def __init__(self, parent, controller, transition = ""): Laurent@814: wx.Dialog.__init__(self, parent, Laurent@814: size=wx.Size(400, 380), title=_('Variable Properties')) Laurent@814: Laurent@814: main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=4, vgap=10) Laurent@814: main_sizer.AddGrowableCol(0) Laurent@814: main_sizer.AddGrowableRow(2) Laurent@814: Laurent@814: column_sizer = wx.BoxSizer(wx.HORIZONTAL) Laurent@814: main_sizer.AddSizer(column_sizer, border=20, Laurent@814: flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT) Laurent@814: Laurent@1182: left_gridsizer = wx.FlexGridSizer(cols=1, hgap=0, rows=4, vgap=5) Laurent@814: left_gridsizer.AddGrowableCol(0) Laurent@814: column_sizer.AddSizer(left_gridsizer, 1, border=5, Laurent@814: flag=wx.GROW|wx.RIGHT) Laurent@814: Laurent@814: class_label = wx.StaticText(self, label=_('Class:')) Laurent@814: left_gridsizer.AddWindow(class_label, flag=wx.GROW) Laurent@814: Laurent@814: self.Class = wx.ComboBox(self, style=wx.CB_READONLY) Laurent@814: self.Bind(wx.EVT_COMBOBOX, self.OnClassChanged, self.Class) Laurent@814: left_gridsizer.AddWindow(self.Class, flag=wx.GROW) Laurent@814: Laurent@814: execution_order_label = wx.StaticText(self, label=_('Execution Order:')) Laurent@814: left_gridsizer.AddWindow(execution_order_label, flag=wx.GROW) Laurent@814: Laurent@814: self.ExecutionOrder = wx.SpinCtrl(self, min=0, style=wx.SP_ARROW_KEYS) Laurent@814: self.Bind(wx.EVT_SPINCTRL, self.OnExecutionOrderChanged, self.ExecutionOrder) Laurent@814: left_gridsizer.AddWindow(self.ExecutionOrder, flag=wx.GROW) Laurent@814: Laurent@1182: right_gridsizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=0) Laurent@814: right_gridsizer.AddGrowableCol(0) Laurent@1182: right_gridsizer.AddGrowableRow(2) Laurent@814: column_sizer.AddSizer(right_gridsizer, 1, border=5, Laurent@814: flag=wx.GROW|wx.LEFT) Laurent@814: Laurent@1182: name_label = wx.StaticText(self, label=_('Expression:')) Laurent@1182: right_gridsizer.AddWindow(name_label, border=5, flag=wx.GROW|wx.BOTTOM) Laurent@1182: Laurent@1182: self.Expression = wx.TextCtrl(self) Laurent@1182: self.Bind(wx.EVT_TEXT, self.OnExpressionChanged, self.Expression) Laurent@1182: right_gridsizer.AddWindow(self.Expression, flag=wx.GROW) Laurent@1182: Laurent@1182: self.VariableName = wx.ListBox(self, size=wx.Size(0, 120), Laurent@814: style=wx.LB_SINGLE|wx.LB_SORT) Laurent@814: self.Bind(wx.EVT_LISTBOX, self.OnNameChanged, self.VariableName) Laurent@814: right_gridsizer.AddWindow(self.VariableName, flag=wx.GROW) Laurent@814: Laurent@814: preview_label = wx.StaticText(self, label=_('Preview:')) Laurent@814: main_sizer.AddWindow(preview_label, border=20, Laurent@814: flag=wx.GROW|wx.LEFT|wx.RIGHT) Laurent@814: Laurent@814: self.Preview = wx.Panel(self, Laurent@814: style=wx.TAB_TRAVERSAL|wx.SIMPLE_BORDER) Laurent@814: self.Preview.SetBackgroundColour(wx.Colour(255,255,255)) Laurent@814: setattr(self.Preview, "GetDrawingMode", lambda:FREEDRAWING_MODE) Laurent@814: setattr(self.Preview, "GetScaling", lambda:None) Laurent@814: setattr(self.Preview, "IsOfType", controller.IsOfType) Laurent@814: self.Preview.Bind(wx.EVT_PAINT, self.OnPaint) Laurent@814: main_sizer.AddWindow(self.Preview, border=20, Laurent@814: flag=wx.GROW|wx.LEFT|wx.RIGHT) Laurent@814: Laurent@814: button_sizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE) Laurent@814: self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton()) Laurent@814: main_sizer.AddSizer(button_sizer, border=20, Laurent@814: flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT) Laurent@814: Laurent@814: self.SetSizer(main_sizer) Laurent@814: Laurent@814: self.Transition = transition Laurent@814: self.Variable = None Laurent@814: self.VarList = [] Laurent@814: self.MinVariableSize = None Laurent@814: Laurent@814: for choice in VARIABLE_CLASSES_DICT.itervalues(): Laurent@814: self.Class.Append(choice) Laurent@814: self.Class.SetStringSelection(VARIABLE_CLASSES_DICT[INPUT]) Laurent@814: Laurent@814: self.RefreshNameList() Laurent@814: self.Class.SetFocus() Laurent@814: Laurent@814: def SetPreviewFont(self, font): Laurent@814: self.Preview.SetFont(font) Laurent@814: Laurent@814: def RefreshNameList(self): Laurent@1182: selected = self.Expression.GetValue() Laurent@814: var_class = VARIABLE_CLASSES_DICT_REVERSE[self.Class.GetStringSelection()] Laurent@814: self.VariableName.Clear() Laurent@814: for name, var_type, value_type in self.VarList: Laurent@814: if var_type != "Input" or var_class == INPUT: Laurent@814: self.VariableName.Append(name) Laurent@814: if selected != "" and self.VariableName.FindString(selected) != wx.NOT_FOUND: Laurent@814: self.VariableName.SetStringSelection(selected) Laurent@814: else: Laurent@1182: self.VariableName.SetSelection(wx.NOT_FOUND) Laurent@814: self.VariableName.Enable(self.VariableName.GetCount() > 0) Laurent@814: Laurent@814: def SetMinVariableSize(self, size): Laurent@814: self.MinVariableSize = size Laurent@814: Laurent@814: def SetVariables(self, vars): Laurent@814: self.VarList = vars Laurent@814: self.RefreshNameList() Laurent@814: Laurent@814: def SetValues(self, values): Laurent@814: value_type = values.get("type", None) Laurent@814: value_name = values.get("name", None) Laurent@814: if value_type: Laurent@814: self.Class.SetStringSelection(VARIABLE_CLASSES_DICT[value_type]) Laurent@814: self.RefreshNameList() Laurent@814: if value_name: Laurent@1182: self.Expression.ChangeValue(value_name) Laurent@814: if self.VariableName.FindString(value_name) != wx.NOT_FOUND: Laurent@814: self.VariableName.SetStringSelection(value_name) Laurent@814: else: Laurent@1182: self.VariableName.SetSelection(wx.NOT_FOUND) Laurent@814: if "executionOrder" in values: Laurent@814: self.ExecutionOrder.SetValue(values["executionOrder"]) Laurent@814: self.RefreshPreview() Laurent@814: Laurent@814: def GetValues(self): Laurent@814: values = {} Laurent@814: values["type"] = VARIABLE_CLASSES_DICT_REVERSE[self.Class.GetStringSelection()] Laurent@1182: values["name"] = self.Expression.GetValue() Laurent@814: values["value_type"] = None Laurent@814: for var_name, var_type, value_type in self.VarList: Laurent@814: if var_name == values["name"]: Laurent@814: values["value_type"] = value_type Laurent@814: values["width"], values["height"] = self.Variable.GetSize() Laurent@814: values["executionOrder"] = self.ExecutionOrder.GetValue() Laurent@814: return values Laurent@814: Laurent@814: def OnOK(self, event): Laurent@814: message = None Laurent@1182: value = self.Expression.GetValue() Laurent@814: if value == "": Laurent@814: message = _("At least a variable or an expression must be selected!") Laurent@814: elif value.upper() in IEC_KEYWORDS: Laurent@814: message = _("\"%s\" is a keyword. It can't be used!") % value Laurent@814: if message is not None: Laurent@814: message = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR) Laurent@814: message.ShowModal() Laurent@814: message.Destroy() Laurent@814: else: Laurent@814: self.EndModal(wx.ID_OK) Laurent@814: Laurent@814: def OnClassChanged(self, event): Laurent@814: self.RefreshNameList() Laurent@814: self.RefreshPreview() Laurent@814: event.Skip() Laurent@814: Laurent@814: def OnNameChanged(self, event): Laurent@1182: self.Expression.ChangeValue( Laurent@1182: self.VariableName.GetStringSelection()) Laurent@814: self.RefreshPreview() Laurent@814: event.Skip() Laurent@814: Laurent@814: def OnExpressionChanged(self, event): Laurent@1182: expression = self.Expression.GetValue() Laurent@1182: self.VariableName.SetSelection( Laurent@1182: self.VariableName.FindString(expression)) Laurent@814: self.RefreshPreview() Laurent@814: event.Skip() Laurent@814: Laurent@814: def OnExecutionOrderChanged(self, event): Laurent@814: self.RefreshPreview() Laurent@814: event.Skip() Laurent@814: Laurent@814: def RefreshPreview(self): Laurent@814: dc = wx.ClientDC(self.Preview) Laurent@814: dc.SetFont(self.Preview.GetFont()) Laurent@814: dc.Clear() Laurent@1182: name = self.Expression.GetValue() Laurent@814: type = "" Laurent@814: for var_name, var_type, value_type in self.VarList: Laurent@814: if var_name == name: Laurent@814: type = value_type Laurent@814: classtype = VARIABLE_CLASSES_DICT_REVERSE[self.Class.GetStringSelection()] Laurent@814: self.Variable = FBD_Variable(self.Preview, classtype, name, type, executionOrder = self.ExecutionOrder.GetValue()) Laurent@814: width, height = self.MinVariableSize Laurent@814: min_width, min_height = self.Variable.GetMinSize() Laurent@814: width, height = max(min_width, width), max(min_height, height) Laurent@814: self.Variable.SetSize(width, height) Laurent@814: clientsize = self.Preview.GetClientSize() Laurent@814: x = (clientsize.width - width) / 2 Laurent@814: y = (clientsize.height - height) / 2 Laurent@814: self.Variable.SetPosition(x, y) Laurent@814: self.Variable.Draw(dc) Laurent@814: Laurent@814: def OnPaint(self, event): Laurent@814: self.RefreshPreview() Laurent@814: event.Skip()