Adding support for drag'n dropping variable from global defined in configurations and resources to POU variable panel or body editor for declaring external variables
Adding support for drag'n dropping located variables from topology panel to configurations and resources variable panel for declaring global located variables
#!/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 *
#-------------------------------------------------------------------------------
# Create New Variable Dialog
#-------------------------------------------------------------------------------
[ID_FBDVARIABLEDIALOG, ID_FBDVARIABLEDIALOGSPACER,
ID_FBDVARIABLEDIALOGNAME, ID_FBDVARIABLEDIALOGCLASS,
ID_FBDVARIABLEDIALOGPREVIEW, ID_FBDVARIABLEDIALOGEXPRESSION,
ID_FBDVARIABLEDIALOGEXECUTIONORDER, ID_FBDVARIABLEDIALOGSTATICTEXT1,
ID_FBDVARIABLEDIALOGSTATICTEXT2, ID_FBDVARIABLEDIALOGSTATICTEXT3,
ID_FBDVARIABLEDIALOGSTATICTEXT4, ID_FBDVARIABLEDIALOGSTATICTEXT5
] = [wx.NewId() for _init_ctrls in range(12)]
VARIABLE_CLASSES_DICT = {INPUT : _("Input"),
INOUT : _("InOut"),
OUTPUT : _("Output")}
VARIABLE_CLASSES_DICT_REVERSE = dict([(value, key) for key, value in VARIABLE_CLASSES_DICT.iteritems()])
class FBDVariableDialog(wx.Dialog):
if wx.VERSION < (2, 6, 0):
def Bind(self, event, function, id = None):
if id is not None:
event(self, id, function)
else:
event(self, function)
def _init_coll_flexGridSizer1_Items(self, parent):
parent.AddSizer(self.MainSizer, 0, border=20, flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT)
parent.AddSizer(self.ButtonSizer, 0, border=20, flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
def _init_coll_flexGridSizer1_Growables(self, parent):
parent.AddGrowableCol(0)
parent.AddGrowableRow(0)
def _init_coll_MainSizer_Items(self, parent):
parent.AddSizer(self.TopSizer, 0, border=0, flag=wx.GROW)
parent.AddWindow(self.staticText5, 0, border=0, flag=wx.GROW)
parent.AddWindow(self.Preview, 0, border=0, flag=wx.GROW)
def _init_coll_MainSizer_Growables(self, parent):
parent.AddGrowableCol(0)
parent.AddGrowableRow(2)
def _init_coll_TopSizer_Items(self, parent):
parent.AddSizer(self.LeftGridSizer, 1, border=5, flag=wx.GROW|wx.RIGHT)
parent.AddSizer(self.RightGridSizer, 1, border=5, flag=wx.GROW|wx.LEFT)
def _init_coll_LeftGridSizer_Items(self, parent):
parent.AddWindow(self.staticText1, 0, border=0, flag=wx.GROW)
parent.AddWindow(self.Class, 0, border=0, flag=wx.GROW)
parent.AddWindow(self.staticText2, 0, border=0, flag=wx.GROW)
parent.AddWindow(self.Expression, 0, border=0, flag=wx.GROW)
parent.AddWindow(self.staticText3, 0, border=0, flag=wx.GROW)
parent.AddWindow(self.ExecutionOrder, 0, border=0, flag=wx.GROW)
parent.AddWindow(self.Spacer, 0, border=0, flag=wx.GROW)
def _init_coll_LeftGridSizer_Growables(self, parent):
parent.AddGrowableCol(0)
parent.AddGrowableRow(2)
def _init_coll_RightGridSizer_Items(self, parent):
parent.AddWindow(self.staticText4, 0, border=0, flag=wx.GROW)
parent.AddWindow(self.VariableName, 0, border=0, flag=wx.GROW)
def _init_coll_RightGridSizer_Growables(self, parent):
parent.AddGrowableCol(0)
parent.AddGrowableRow(1)
def _init_sizers(self):
self.flexGridSizer1 = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=10)
self.MainSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=5)
self.TopSizer = wx.BoxSizer(wx.HORIZONTAL)
self.LeftGridSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=7, vgap=5)
self.RightGridSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)
self._init_coll_flexGridSizer1_Items(self.flexGridSizer1)
self._init_coll_flexGridSizer1_Growables(self.flexGridSizer1)
self._init_coll_MainSizer_Items(self.MainSizer)
self._init_coll_MainSizer_Growables(self.MainSizer)
self._init_coll_TopSizer_Items(self.TopSizer)
self._init_coll_LeftGridSizer_Items(self.LeftGridSizer)
self._init_coll_LeftGridSizer_Growables(self.LeftGridSizer)
self._init_coll_RightGridSizer_Items(self.RightGridSizer)
self._init_coll_RightGridSizer_Growables(self.RightGridSizer)
self.SetSizer(self.flexGridSizer1)
def _init_ctrls(self, prnt, ctrler):
wx.Dialog.__init__(self, id=ID_FBDVARIABLEDIALOG,
name='FBDVariableDialog', parent=prnt,
size=wx.Size(400, 380), style=wx.DEFAULT_DIALOG_STYLE,
title=_('Variable Properties'))
self.SetClientSize(wx.Size(400, 380))
self.staticText1 = wx.StaticText(id=ID_FBDVARIABLEDIALOGSTATICTEXT1,
label=_('Class:'), name='staticText1', parent=self,
pos=wx.Point(0, 0), size=wx.Size(0, 17), style=0)
self.staticText2 = wx.StaticText(id=ID_FBDVARIABLEDIALOGSTATICTEXT2,
label=_('Expression:'), name='staticText2', parent=self,
pos=wx.Point(0, 0), size=wx.Size(0, 17), style=0)
self.staticText3 = wx.StaticText(id=ID_FBDVARIABLEDIALOGSTATICTEXT3,
label=_('Execution Order:'), name='staticText3', parent=self,
pos=wx.Point(0, 0), size=wx.Size(0, 17), style=0)
self.staticText4 = wx.StaticText(id=ID_FBDVARIABLEDIALOGSTATICTEXT4,
label=_('Name:'), name='staticText4', parent=self,
pos=wx.Point(0, 0), size=wx.Size(0, 17), style=0)
self.staticText5 = wx.StaticText(id=ID_FBDVARIABLEDIALOGSTATICTEXT5,
label=_('Preview:'), name='staticText5', parent=self,
pos=wx.Point(0, 0), size=wx.Size(0, 17), style=0)
self.Class = wx.ComboBox(id=ID_FBDVARIABLEDIALOGCLASS,
name='Class', parent=self, pos=wx.Point(0, 0),
size=wx.Size(0, 28), style=wx.CB_READONLY)
self.Bind(wx.EVT_COMBOBOX, self.OnClassChanged, id=ID_FBDVARIABLEDIALOGCLASS)
self.VariableName = wx.ListBox(id=ID_FBDVARIABLEDIALOGNAME,
name='Name', parent=self, pos=wx.Point(0, 0),
size=wx.Size(0, 90), style=wx.LB_SINGLE|wx.LB_SORT)
self.Bind(wx.EVT_LISTBOX, self.OnNameChanged, id=ID_FBDVARIABLEDIALOGNAME)
self.Expression = wx.TextCtrl(id=ID_FBDVARIABLEDIALOGEXPRESSION,
name='Expression', parent=self, pos=wx.Point(0, 0),
size=wx.Size(0, 24), style=0)
self.Bind(wx.EVT_TEXT, self.OnExpressionChanged, id=ID_FBDVARIABLEDIALOGEXPRESSION)
self.ExecutionOrder = wx.SpinCtrl(id=ID_FBDVARIABLEDIALOGEXECUTIONORDER,
name='ExecutionOrder', parent=self, pos=wx.Point(0, 0),
size=wx.Size(0, 24), style=wx.SP_ARROW_KEYS, min=0)
self.Bind(wx.EVT_SPINCTRL, self.OnExecutionOrderChanged, id=ID_FBDVARIABLEDIALOGEXECUTIONORDER)
self.Spacer = wx.Panel(id=ID_FBDVARIABLEDIALOGSPACER,
name='Spacer', parent=self, pos=wx.Point(0, 0),
size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)
self.Preview = wx.Panel(id=ID_FBDVARIABLEDIALOGPREVIEW,
name='Preview', parent=self, pos=wx.Point(0, 0),
size=wx.Size(0, 0), 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", ctrler.IsOfType)
self.ButtonSizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE)
if wx.VERSION >= (2, 5, 0):
self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.ButtonSizer.GetAffirmativeButton().GetId())
self.Preview.Bind(wx.EVT_PAINT, self.OnPaint)
else:
self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.ButtonSizer.GetChildren()[0].GetSizer().GetChildren()[0].GetWindow().GetId())
wx.EVT_PAINT(self.Preview, self.OnPaint)
self._init_sizers()
def __init__(self, parent, controler, transition = ""):
self._init_ctrls(parent, controler)
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):
expression = self.Expression.GetValue()
if self.Expression.IsEnabled():
value = expression
else:
value = self.VariableName.GetStringSelection()
if value == "":
message = wx.MessageDialog(self, _("At least a variable or an expression must be selected!"), _("Error"), wx.OK|wx.ICON_ERROR)
message.ShowModal()
message.Destroy()
elif value.upper() in IEC_KEYWORDS:
message = wx.MessageDialog(self, _("\"%s\" is a keyword. It can't be used!")%value, _("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()