--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/dialogs/FBDVariableDialog.py Fri Sep 07 16:45:55 2012 +0200
@@ -0,0 +1,259 @@
+#!/usr/bin/env python
+# -*- 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 *
+
+#-------------------------------------------------------------------------------
+# Helpers
+#-------------------------------------------------------------------------------
+
+VARIABLE_CLASSES_DICT = {INPUT : _("Input"),
+ INOUT : _("InOut"),
+ OUTPUT : _("Output")}
+VARIABLE_CLASSES_DICT_REVERSE = dict(
+ [(value, key) for key, value in VARIABLE_CLASSES_DICT.iteritems()])
+
+#-------------------------------------------------------------------------------
+# Create New Variable Dialog
+#-------------------------------------------------------------------------------
+
+class FBDVariableDialog(wx.Dialog):
+
+ def __init__(self, parent, controller, transition = ""):
+ wx.Dialog.__init__(self, parent,
+ size=wx.Size(400, 380), title=_('Variable Properties'))
+
+ main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=4, vgap=10)
+ main_sizer.AddGrowableCol(0)
+ main_sizer.AddGrowableRow(2)
+
+ 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)
+
+ class_label = wx.StaticText(self, label=_('Class:'))
+ left_gridsizer.AddWindow(class_label, flag=wx.GROW)
+
+ self.Class = wx.ComboBox(self, style=wx.CB_READONLY)
+ self.Bind(wx.EVT_COMBOBOX, self.OnClassChanged, self.Class)
+ left_gridsizer.AddWindow(self.Class, flag=wx.GROW)
+
+ expression_label = wx.StaticText(self, label=_('Expression:'))
+ left_gridsizer.AddWindow(expression_label, flag=wx.GROW)
+
+ self.Expression = wx.TextCtrl(self)
+ self.Bind(wx.EVT_TEXT, self.OnExpressionChanged, self.Expression)
+ left_gridsizer.AddWindow(self.Expression, flag=wx.GROW)
+
+ execution_order_label = wx.StaticText(self, label=_('Execution Order:'))
+ left_gridsizer.AddWindow(execution_order_label, flag=wx.GROW)
+
+ self.ExecutionOrder = wx.SpinCtrl(self, min=0, style=wx.SP_ARROW_KEYS)
+ self.Bind(wx.EVT_SPINCTRL, self.OnExecutionOrderChanged, self.ExecutionOrder)
+ left_gridsizer.AddWindow(self.ExecutionOrder, 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)
+
+ name_label = wx.StaticText(self, label=_('Name:'))
+ right_gridsizer.AddWindow(name_label, flag=wx.GROW)
+
+ self.VariableName = wx.ListBox(self, size=wx.Size(0, 0),
+ style=wx.LB_SINGLE|wx.LB_SORT)
+ self.Bind(wx.EVT_LISTBOX, self.OnNameChanged, self.VariableName)
+ right_gridsizer.AddWindow(self.VariableName, flag=wx.GROW)
+
+ preview_label = wx.StaticText(self, label=_('Preview:'))
+ main_sizer.AddWindow(preview_label, border=20,
+ flag=wx.GROW|wx.LEFT|wx.RIGHT)
+
+ 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, "GetScaling", lambda:None)
+ setattr(self.Preview, "IsOfType", controller.IsOfType)
+ self.Preview.Bind(wx.EVT_PAINT, self.OnPaint)
+ main_sizer.AddWindow(self.Preview, border=20,
+ flag=wx.GROW|wx.LEFT|wx.RIGHT)
+
+ 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.Transition = transition
+ self.Variable = None
+ self.VarList = []
+ self.MinVariableSize = None
+
+ for choice in VARIABLE_CLASSES_DICT.itervalues():
+ self.Class.Append(choice)
+ self.Class.SetStringSelection(VARIABLE_CLASSES_DICT[INPUT])
+
+ self.RefreshNameList()
+ self.Class.SetFocus()
+
+ def SetPreviewFont(self, font):
+ self.Preview.SetFont(font)
+
+ def RefreshNameList(self):
+ selected = self.VariableName.GetStringSelection()
+ var_class = VARIABLE_CLASSES_DICT_REVERSE[self.Class.GetStringSelection()]
+ self.VariableName.Clear()
+ self.VariableName.Append("")
+ for name, var_type, value_type in self.VarList:
+ if var_type != "Input" or var_class == INPUT:
+ self.VariableName.Append(name)
+ if selected != "" and self.VariableName.FindString(selected) != wx.NOT_FOUND:
+ self.VariableName.SetStringSelection(selected)
+ self.Expression.Enable(False)
+ else:
+ self.VariableName.SetStringSelection("")
+ #self.Expression.Enable(var_class == INPUT)
+ self.VariableName.Enable(self.VariableName.GetCount() > 0)
+
+ def SetMinVariableSize(self, size):
+ self.MinVariableSize = size
+
+ def SetVariables(self, vars):
+ self.VarList = vars
+ self.RefreshNameList()
+
+ def SetValues(self, values):
+ value_type = values.get("type", None)
+ value_name = values.get("name", None)
+ if value_type:
+ self.Class.SetStringSelection(VARIABLE_CLASSES_DICT[value_type])
+ self.RefreshNameList()
+ if value_name:
+ if self.VariableName.FindString(value_name) != wx.NOT_FOUND:
+ self.VariableName.SetStringSelection(value_name)
+ self.Expression.Enable(False)
+ else:
+ self.Expression.SetValue(value_name)
+ self.VariableName.Enable(False)
+ if "executionOrder" in values:
+ self.ExecutionOrder.SetValue(values["executionOrder"])
+ self.RefreshPreview()
+
+ def GetValues(self):
+ values = {}
+ values["type"] = VARIABLE_CLASSES_DICT_REVERSE[self.Class.GetStringSelection()]
+ expression = self.Expression.GetValue()
+ if self.Expression.IsEnabled() and expression != "":
+ values["name"] = expression
+ else:
+ values["name"] = self.VariableName.GetStringSelection()
+ values["value_type"] = None
+ for var_name, var_type, value_type in self.VarList:
+ if var_name == values["name"]:
+ values["value_type"] = value_type
+ values["width"], values["height"] = self.Variable.GetSize()
+ values["executionOrder"] = self.ExecutionOrder.GetValue()
+ return values
+
+ def OnOK(self, event):
+ message = None
+ expression = self.Expression.GetValue()
+ if self.Expression.IsEnabled():
+ value = expression
+ else:
+ value = self.VariableName.GetStringSelection()
+ if value == "":
+ message = _("At least a variable or an expression must be selected!")
+ elif value.upper() in IEC_KEYWORDS:
+ message = _("\"%s\" is a keyword. It can't be used!") % value
+ if message is not None:
+ message = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR)
+ message.ShowModal()
+ message.Destroy()
+ else:
+ self.EndModal(wx.ID_OK)
+
+ def OnClassChanged(self, event):
+ self.RefreshNameList()
+ self.RefreshPreview()
+ event.Skip()
+
+ def OnNameChanged(self, event):
+ if self.VariableName.GetStringSelection() != "":
+ self.Expression.Enable(False)
+ elif VARIABLE_CLASSES_DICT_REVERSE[self.Class.GetStringSelection()] == INPUT:
+ self.Expression.Enable(True)
+ self.RefreshPreview()
+ event.Skip()
+
+ def OnExpressionChanged(self, event):
+ if self.Expression.GetValue() != "":
+ self.VariableName.Enable(False)
+ else:
+ self.VariableName.Enable(True)
+ self.RefreshPreview()
+ event.Skip()
+
+ def OnExecutionOrderChanged(self, event):
+ self.RefreshPreview()
+ event.Skip()
+
+ def RefreshPreview(self):
+ dc = wx.ClientDC(self.Preview)
+ dc.SetFont(self.Preview.GetFont())
+ dc.Clear()
+ expression = self.Expression.GetValue()
+ if self.Expression.IsEnabled() and expression != "":
+ name = expression
+ else:
+ name = self.VariableName.GetStringSelection()
+ type = ""
+ for var_name, var_type, value_type in self.VarList:
+ if var_name == name:
+ type = value_type
+ classtype = VARIABLE_CLASSES_DICT_REVERSE[self.Class.GetStringSelection()]
+ self.Variable = FBD_Variable(self.Preview, classtype, name, type, executionOrder = self.ExecutionOrder.GetValue())
+ width, height = self.MinVariableSize
+ min_width, min_height = self.Variable.GetMinSize()
+ width, height = max(min_width, width), max(min_height, height)
+ self.Variable.SetSize(width, height)
+ clientsize = self.Preview.GetClientSize()
+ x = (clientsize.width - width) / 2
+ y = (clientsize.height - height) / 2
+ self.Variable.SetPosition(x, y)
+ self.Variable.Draw(dc)
+
+ def OnPaint(self, event):
+ self.RefreshPreview()
+ event.Skip()