py_ext: rework logic CSV reader FB output refresh logic.
Saving with CSV write FB now triggers CSV read FBs to refresh outputs immediately.
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This file is part of Beremiz, a Integrated Development Environment for
# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
# See COPYING file for copyrights details.
#
# This program 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
# of the License, or (at your option) any later version.
#
# This program 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 program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import re
import wx
import wx.grid
import wx.lib.buttons
from plcopen.structures import LOCATIONDATATYPES, TestIdentifier, IEC_KEYWORDS, DefaultType
from plcopen.VariableInfoCollector import _VariableInfos
from graphics.GraphicCommons import REFRESH_HIGHLIGHT_PERIOD, ERROR_HIGHLIGHT
from dialogs.ArrayTypeDialog import ArrayTypeDialog
from controls.CustomGrid import CustomGrid
from controls.CustomTable import CustomTable
from controls.LocationCellEditor import LocationCellEditor
from util.BitmapLibrary import GetBitmap
from util.TranslationCatalogs import NoTranslate
# -------------------------------------------------------------------------------
# Helpers
# -------------------------------------------------------------------------------
[
TITLE, EDITORTOOLBAR, FILEMENU, EDITMENU, DISPLAYMENU, PROJECTTREE,
POUINSTANCEVARIABLESPANEL, LIBRARYTREE, SCALING, PAGETITLES
] = list(range(10))
def GetVariableTableColnames(location):
_ = NoTranslate
cols = ["#",
_("Name"),
_("Class"),
_("Type"),
_("Location"),
_("Initial Value"),
_("Option"),
_("Documentation")]
if not location:
del cols[4] # remove 'Location' column
return cols
def GetOptions(constant=True, retain=True, non_retain=True):
_ = NoTranslate
options = [""]
if constant:
options.append(_("Constant"))
if retain:
options.append(_("Retain"))
if non_retain:
options.append(_("Non-Retain"))
return options
def GetFilterChoiceTransfer():
_ = NoTranslate
return {_("All"): _("All"), _("Interface"): _("Interface"),
_(" Input"): _("Input"), _(" Output"): _("Output"), _(" InOut"): _("InOut"),
_(" External"): _("External"), _("Variables"): _("Variables"), _(" Local"): _("Local"),
_(" Temp"): _("Temp"), _("Global"): _("Global")} # , _("Access") : _("Access")}
CheckOptionForClass = {
"Local": lambda x: x,
"Temp": lambda x: "",
"Input": lambda x: {"Retain": "Retain", "Non-Retain": "Non-Retain"}.get(x, ""),
"InOut": lambda x: "",
"Output": lambda x: {"Retain": "Retain", "Non-Retain": "Non-Retain"}.get(x, ""),
"Global": lambda x: {"Constant": "Constant", "Retain": "Retain"}.get(x, ""),
"External": lambda x: {"Constant": "Constant"}.get(x, "")
}
LOCATION_MODEL = re.compile(r"((?:%[IQM](?:\*|(?:[XBWLD]?[0-9]+(?:\.[0-9]+)*)))?)$")
LOCATION_MODEL_SET = re.compile(r"((?:%[IQM](?:[XBWLD]?[0-9]+(?:\.[0-9]+)*))?)$")
# -------------------------------------------------------------------------------
# Variables Panel Table
# -------------------------------------------------------------------------------
class VariableTable(CustomTable):
"""
A custom wx.grid.Grid Table using user supplied data
"""
def __init__(self, parent, data, colnames):
# The base class must be initialized *first*
CustomTable.__init__(self, parent, data, colnames)
self.old_value = None
self.OPTIONS_DICT = dict([(_(option), option)
for option in GetOptions()])
self.VARIABLE_CLASSES_DICT = dict([(_(_class), _class)
for _class in GetFilterChoiceTransfer().values()])
def GetValueByName(self, row, colname):
if row < self.GetNumberRows():
return getattr(self.data[row], colname)
def SetValueByName(self, row, colname, value):
if row < self.GetNumberRows():
setattr(self.data[row], colname, value)
def GetValue(self, row, col):
if row < self.GetNumberRows():
if col == 0:
return self.data[row].Number
colname = self.GetColLabelValue(col, False)
if colname == "Initial Value":
colname = "InitialValue"
value = getattr(self.data[row], colname, "")
if colname == "Type" and isinstance(value, tuple):
if value[0] == "array":
return "ARRAY [%s] OF %s" % (",".join(map("..".join, value[2])), value[1])
if not isinstance(value, str):
value = str(value)
if colname in ["Class", "Option"]:
return _(value)
return value
def SetValue(self, row, col, value):
if col < len(self.colnames):
colname = self.GetColLabelValue(col, False)
if colname == "Name":
self.old_value = getattr(self.data[row], colname)
elif colname == "Class":
value = self.VARIABLE_CLASSES_DICT[value]
self.SetValueByName(row, "Option", CheckOptionForClass[value](self.GetValueByName(row, "Option")))
if value == "External":
self.SetValueByName(row, "InitialValue", "")
elif colname == "Option":
value = self.OPTIONS_DICT[value]
elif colname == "Initial Value":
colname = "InitialValue"
setattr(self.data[row], colname, value)
def GetOldValue(self):
return self.old_value
def _GetRowEdit(self, row):
row_edit = self.GetValueByName(row, "Edit")
var_type = self.Parent.GetTagName()
bodytype = self.Parent.Controler.GetEditedElementBodyType(var_type)
if bodytype in ["ST", "IL"]:
row_edit = True
return row_edit
def _updateColAttrs(self, grid):
"""
wx.grid.Grid -> update the column attributes to add the
appropriate renderer given the column name.
Otherwise default to the default renderer.
"""
for row in range(self.GetNumberRows()):
var_class = self.GetValueByName(row, "Class")
var_type = self.GetValueByName(row, "Type")
row_highlights = self.Highlights.get(row, {})
for col in range(self.GetNumberCols()):
editor = None
renderer = None
colname = self.GetColLabelValue(col, False)
if self.Parent.Debug:
grid.SetReadOnly(row, col, True)
else:
if colname == "Option":
options = GetOptions(constant=var_class in ["Local", "External", "Global"],
retain=self.Parent.ElementType != "function" and var_class in ["Local", "Input", "Output", "Global"],
non_retain=self.Parent.ElementType != "function" and var_class in ["Local", "Input", "Output"])
if len(options) > 1:
editor = wx.grid.GridCellChoiceEditor(list(map(_, options)))
else:
grid.SetReadOnly(row, col, True)
elif col != 0 and self._GetRowEdit(row):
grid.SetReadOnly(row, col, False)
if colname == "Name":
editor = wx.grid.GridCellTextEditor()
renderer = wx.grid.GridCellStringRenderer()
elif colname == "Initial Value":
if var_class not in ["External", "InOut"]:
if self.Parent.Controler.IsEnumeratedType(var_type):
editor = wx.grid.GridCellChoiceEditor([""] + self.Parent.Controler.GetEnumeratedDataValues(var_type))
else:
editor = wx.grid.GridCellTextEditor()
renderer = wx.grid.GridCellStringRenderer()
else:
grid.SetReadOnly(row, col, True)
elif colname == "Location":
if var_class in ["Local", "Global"] and self.Parent.Controler.IsLocatableType(var_type):
editor = LocationCellEditor(self, self.Parent.Controler)
renderer = wx.grid.GridCellStringRenderer()
else:
grid.SetReadOnly(row, col, True)
elif colname == "Class":
if len(self.Parent.ClassList) == 1:
grid.SetReadOnly(row, col, True)
else:
excluded = []
if self.Parent.IsFunctionBlockType(var_type):
excluded.extend(["Local", "Temp"])
editor = wx.grid.GridCellChoiceEditor([_(choice) for choice in self.Parent.ClassList if choice not in excluded])
elif colname != "Documentation":
grid.SetReadOnly(row, col, True)
grid.SetCellEditor(row, col, editor)
grid.SetCellRenderer(row, col, renderer)
if colname == "Location" and LOCATION_MODEL.match(self.GetValueByName(row, colname)) is None:
highlight_colours = ERROR_HIGHLIGHT
else:
highlight_colours = row_highlights.get(colname.lower(), [(wx.WHITE, wx.BLACK)])[-1]
grid.SetCellBackgroundColour(row, col, highlight_colours[0])
grid.SetCellTextColour(row, col, highlight_colours[1])
self.ResizeRow(grid, row)
# -------------------------------------------------------------------------------
# Variable Panel Drop Target
# -------------------------------------------------------------------------------
class VariableDropTarget(wx.TextDropTarget):
'''
This allows dragging a variable location from somewhere to the Location
column of a variable row.
The drag source should be a TextDataObject containing a Python tuple like:
('%ID0.0.0', 'location', 'REAL')
c_ext/CFileEditor.py has an example of this (you can drag a C extension
variable to the Location column of the variable panel).
'''
def __init__(self, parent):
wx.TextDropTarget.__init__(self)
self.ParentWindow = parent
def OnDropText(self, x, y, data):
self.ParentWindow.ParentWindow.Select()
x, y = self.ParentWindow.VariablesGrid.CalcUnscrolledPosition(x, y)
col = self.ParentWindow.VariablesGrid.XToCol(x)
row = self.ParentWindow.VariablesGrid.YToRow(y)
message = None
element_type = self.ParentWindow.ElementType
try:
values = eval(data)
except Exception:
message = _("Invalid value \"%s\" for variable grid element") % data
values = None
if not isinstance(values, tuple):
message = _("Invalid value \"%s\" for variable grid element") % data
values = None
if values is not None:
if col != wx.NOT_FOUND and row != wx.NOT_FOUND:
colname = self.ParentWindow.Table.GetColLabelValue(col, False)
if colname == "Location" and values[1] == "location":
if not self.ParentWindow.Table.GetValueByName(row, "Edit"):
message = _("Can't give a location to a function block instance")
elif self.ParentWindow.Table.GetValueByName(row, "Class") not in ["Local", "Global"]:
message = _("Can only give a location to local or global variables")
else:
location = values[0]
variable_type = self.ParentWindow.Table.GetValueByName(row, "Type")
base_type = self.ParentWindow.Controler.GetBaseType(variable_type)
if values[2] is not None:
base_location_type = self.ParentWindow.Controler.GetBaseType(values[2])
if values[2] != variable_type and base_type != base_location_type:
message = _("Incompatible data types between \"{a1}\" and \"{a2}\"").\
format(a1=values[2], a2=variable_type)
if message is None:
if not location.startswith("%"):
if location[0].isdigit() and base_type != "BOOL":
message = _("Incompatible size of data between \"%s\" and \"BOOL\"") % location
elif location[0] not in LOCATIONDATATYPES:
message = _("Unrecognized data size \"%s\"") % location[0]
elif base_type not in LOCATIONDATATYPES[location[0]]:
message = _("Incompatible size of data between \"{a1}\" and \"{a2}\"").\
format(a1=location, a2=variable_type)
else:
dialog = wx.SingleChoiceDialog(
self.ParentWindow.ParentWindow.ParentWindow,
_("Select a variable class:"),
_("Variable class"),
[_("Input"), _("Output"), _("Memory")],
wx.DEFAULT_DIALOG_STYLE | wx.OK | wx.CANCEL)
if dialog.ShowModal() == wx.ID_OK:
selected = dialog.GetSelection()
else:
selected = None
dialog.Destroy()
if selected is None:
return False
if selected == 0:
location = "%I" + location
elif selected == 1:
location = "%Q" + location
else:
location = "%M" + location
if message is None:
self.ParentWindow.Table.SetValue(row, col, location)
self.ParentWindow.Table.ResetView(self.ParentWindow.VariablesGrid)
self.ParentWindow.SaveValues()
elif colname == "Initial Value" and values[1] == "Constant":
if not self.ParentWindow.Table.GetValueByName(row, "Edit"):
message = _("Can't set an initial value to a function block instance")
else:
self.ParentWindow.Table.SetValue(row, col, values[0])
self.ParentWindow.Table.ResetView(self.ParentWindow.VariablesGrid)
self.ParentWindow.SaveValues()
elif (element_type not in ["config", "resource", "function"] and values[1] == "Global" and
self.ParentWindow.Filter in ["All", "Interface", "External"] or
element_type != "function" and values[1] in ["location", "NamedConstant"]):
if values[1] in ["location", "NamedConstant"]:
var_name = values[3]
else:
var_name = values[0]
tagname = self.ParentWindow.GetTagName()
dlg = wx.TextEntryDialog(
self.ParentWindow.ParentWindow.ParentWindow,
_("Confirm or change variable name"),
_('Variable Drop'), var_name)
dlg.SetValue(var_name)
var_name = dlg.GetValue() if dlg.ShowModal() == wx.ID_OK else None
dlg.Destroy()
if var_name is None:
return False
elif var_name.upper() in [
name.upper() for name in
self.ParentWindow.Controler.GetProjectPouNames(self.ParentWindow.Debug)]:
message = _("\"%s\" pou already exists!") % var_name
elif not var_name.upper() in [
name.upper()
for name in self.ParentWindow.Controler.
GetEditedElementVariables(tagname, self.ParentWindow.Debug)]:
var_infos = self.ParentWindow.DefaultValue.copy()
var_infos.Name = var_name
var_infos.Type = values[2]
var_infos.Documentation = values[4]
if values[1] == "location":
location = values[0]
if not location.startswith("%"):
dialog = wx.SingleChoiceDialog(
self.ParentWindow.ParentWindow.ParentWindow,
_("Select a variable class:"),
_("Variable class"),
[_("Input"), _("Output"), _("Memory")],
wx.DEFAULT_DIALOG_STYLE | wx.OK | wx.CANCEL)
if dialog.ShowModal() == wx.ID_OK:
selected = dialog.GetSelection()
else:
selected = None
dialog.Destroy()
if selected is None:
return False
if selected == 0:
location = "%I" + location
elif selected == 1:
location = "%Q" + location
else:
location = "%M" + location
if element_type == "functionBlock":
configs = self.ParentWindow.Controler.GetProjectConfigNames(
self.ParentWindow.Debug)
if len(configs) == 0:
return False
if not var_name.upper() in [
name.upper() for name in
self.ParentWindow.Controler.GetConfigurationVariableNames(configs[0])]:
self.ParentWindow.Controler.AddConfigurationGlobalVar(
configs[0], values[2], var_name, location, "")
var_infos.Class = "External"
else:
if element_type == "program":
var_infos.Class = "Local"
else:
var_infos.Class = "Global"
var_infos.Location = location
elif values[1] == "NamedConstant":
if element_type in ["functionBlock", "program"]:
var_infos.Class = "Local"
var_infos.InitialValue = values[0]
else:
return False
else:
var_infos.Class = "External"
var_infos.Number = len(self.ParentWindow.Values)
self.ParentWindow.Values.append(var_infos)
self.ParentWindow.SaveValues()
self.ParentWindow.RefreshValues()
else:
message = _("\"%s\" element for this pou already exists!") % var_name
if message is not None:
wx.CallAfter(self.ShowMessage, message)
return False
return True
return True
def ShowMessage(self, message):
message = wx.MessageDialog(self.ParentWindow, message, _("Error"), wx.OK | wx.ICON_ERROR)
message.ShowModal()
message.Destroy()
# -------------------------------------------------------------------------------
# Variable Panel
# -------------------------------------------------------------------------------
class VariablePanel(wx.Panel):
def __init__(self, parent, window, controler, element_type, debug=False):
wx.Panel.__init__(self, parent, style=wx.TAB_TRAVERSAL)
self.VARIABLE_CHOICES_DICT = dict([(_(_class), _class) for
_class in GetFilterChoiceTransfer().keys()])
self.MainSizer = wx.FlexGridSizer(cols=1, hgap=10, rows=2, vgap=0)
self.MainSizer.AddGrowableCol(0)
self.MainSizer.AddGrowableRow(1)
controls_sizer = wx.FlexGridSizer(cols=10, hgap=5, rows=1, vgap=5)
controls_sizer.AddGrowableCol(5)
controls_sizer.AddGrowableRow(0)
self.MainSizer.Add(controls_sizer, border=5, flag=wx.GROW | wx.ALL)
self.ReturnTypeLabel = wx.StaticText(self, label=_('Return Type:'))
controls_sizer.Add(self.ReturnTypeLabel, flag=wx.ALIGN_CENTER_VERTICAL)
self.ReturnType = wx.ComboBox(self,
size=wx.Size(145, -1), style=wx.CB_READONLY)
self.Bind(wx.EVT_COMBOBOX, self.OnReturnTypeChanged, self.ReturnType)
controls_sizer.Add(self.ReturnType)
self.DescriptionLabel = wx.StaticText(self, label=_('Description:'))
controls_sizer.Add(self.DescriptionLabel, flag=wx.ALIGN_CENTER_VERTICAL)
self.Description = wx.TextCtrl(self,
size=wx.Size(250, -1), style=wx.TE_PROCESS_ENTER)
self.Bind(wx.EVT_TEXT_ENTER, self.OnDescriptionChanged, self.Description)
self.Description.Bind(wx.EVT_KILL_FOCUS, self.OnDescriptionChanged)
controls_sizer.Add(self.Description)
class_filter_label = wx.StaticText(self, label=_('Class Filter:'))
controls_sizer.Add(class_filter_label, flag=wx.ALIGN_CENTER_VERTICAL)
self.ClassFilter = wx.ComboBox(self,
size=wx.Size(145, -1), style=wx.CB_READONLY)
self.Bind(wx.EVT_COMBOBOX, self.OnClassFilter, self.ClassFilter)
controls_sizer.Add(self.ClassFilter)
for name, bitmap, help in [
("AddButton", "add_element", _("Add variable")),
("DeleteButton", "remove_element", _("Remove variable")),
("UpButton", "up", _("Move variable up")),
("DownButton", "down", _("Move variable down"))]:
button = wx.lib.buttons.GenBitmapButton(self, bitmap=GetBitmap(bitmap),
size=wx.Size(28, 28), style=wx.NO_BORDER)
button.SetToolTip(help)
setattr(self, name, button)
controls_sizer.Add(button)
self.VariablesGrid = CustomGrid(self, style=wx.VSCROLL | wx.HSCROLL)
self.VariablesGrid.SetDropTarget(VariableDropTarget(self))
self.VariablesGrid.Bind(wx.grid.EVT_GRID_CELL_CHANGED,
self.OnVariablesGridCellChange)
self.VariablesGrid.Bind(wx.grid.EVT_GRID_CELL_LEFT_CLICK,
self.OnVariablesGridCellLeftClick)
self.VariablesGrid.Bind(wx.grid.EVT_GRID_EDITOR_SHOWN,
self.OnVariablesGridEditorShown)
self.MainSizer.Add(self.VariablesGrid, flag=wx.GROW)
self.SetSizer(self.MainSizer)
self.ParentWindow = window
self.Controler = controler
self.ElementType = element_type
self.Debug = debug
self.RefreshHighlightsTimer = wx.Timer(self, -1)
self.Bind(wx.EVT_TIMER, self.OnRefreshHighlightsTimer,
self.RefreshHighlightsTimer)
self.Filter = "All"
self.FilterChoices = []
self.FilterChoiceTransfer = GetFilterChoiceTransfer()
self.DefaultValue = _VariableInfos("LocalVar0", "", "", "", "", True, "", DefaultType, ([], []), 0)
if element_type in ["config", "resource"]:
self.DefaultTypes = {"All": "Global"}
else:
self.DefaultTypes = {"All": "Local", "Interface": "Input", "Variables": "Local"}
if element_type in ["config", "resource"] \
or element_type in ["program", "transition", "action"]:
# this is an element that can have located variables
self.Table = VariableTable(self, [], GetVariableTableColnames(True))
if element_type in ["config", "resource"]:
self.FilterChoices = ["All", "Global"] # ,"Access"]
else:
self.FilterChoices = ["All",
"Interface", " Input", " Output", " InOut", " External",
"Variables", " Local", " Temp"] # ,"Access"]
# these condense the ColAlignements list
left = wx.ALIGN_LEFT
center = wx.ALIGN_CENTER
# Num Name Class Type Loc Init Option Doc
self.ColSettings = {
"size": [40, 80, 100, 80, 110, 120, 100, 160],
"alignement": [center, left, left, left, left, left, left, left],
"fixed_size": [True, False, True, False, True, True, True, False],
}
else:
# this is an element that cannot have located variables
self.Table = VariableTable(self, [], GetVariableTableColnames(False))
if element_type == "function":
self.FilterChoices = ["All",
"Interface", " Input", " Output", " InOut",
"Variables", " Local"]
else:
self.FilterChoices = ["All",
"Interface", " Input", " Output", " InOut", " External",
"Variables", " Local", " Temp"]
# these condense the alignements list
left = wx.ALIGN_LEFT
center = wx.ALIGN_CENTER
# Num Name Class Type Init Option Doc
self.ColSettings = {
"size": [40, 80, 100, 80, 120, 100, 160],
"alignement": [center, left, left, left, left, left, left],
"fixed_size": [True, False, True, False, True, True, False],
}
self.PanelWidthMin = sum(self.ColSettings["size"])
self.BodyType = None
for choice in self.FilterChoices:
self.ClassFilter.Append(_(choice))
reverse_transfer = {}
for filter, choice in list(self.FilterChoiceTransfer.items()):
reverse_transfer[choice] = filter
self.ClassFilter.SetStringSelection(_(reverse_transfer[self.Filter]))
self.RefreshTypeList()
self.VariablesGrid.SetTable(self.Table)
self.VariablesGrid.SetButtons({"Add": self.AddButton,
"Delete": self.DeleteButton,
"Up": self.UpButton,
"Down": self.DownButton})
self.VariablesGrid.SetEditable(not self.Debug)
def _AddVariable(new_row):
row_content = self.DefaultValue.copy()
if new_row > 0:
# doesn't copy values of previous var if it's non-editable (like a FB)
if self.Values[new_row-1].Edit:
row_content = self.Values[new_row-1].copy()
old_name = self.Values[new_row-1].Name
row_content.Name = self.Controler.GenerateNewName(
self.TagName, old_name, old_name+'%d')
# increment location address
if row_content.Location != "" and LOCATION_MODEL_SET.match(row_content.Location):
old_location = row_content.Location
model = re.compile(r"%[IQM][XBWLD]?(.*\.|)")
prefix = model.match(old_location).group(0)
addr = int(re.split(model, old_location)[-1]) + 1
row_content.Location = prefix + str(addr)
if not row_content.Class:
row_content.Class = self.DefaultTypes.get(self.Filter, self.Filter)
if self.Filter == "All" and len(self.Values) > 0:
self.Values.insert(new_row, row_content)
else:
self.Values.append(row_content)
new_row = self.Table.GetNumberRows()
self.SaveValues()
if self.ElementType == "resource":
self.ParentWindow.RefreshView(variablepanel=False)
self.RefreshValues()
return new_row
setattr(self.VariablesGrid, "_AddRow", _AddVariable)
def _DeleteVariable(row):
if _GetRowEdit(row):
self.Values.remove(self.Table.GetRow(row))
self.SaveValues()
if self.ElementType == "resource":
self.ParentWindow.RefreshView(variablepanel=False)
self.RefreshValues()
setattr(self.VariablesGrid, "_DeleteRow", _DeleteVariable)
def _MoveVariable(row, move):
if self.Filter == "All":
new_row = max(0, min(row + move, len(self.Values) - 1))
if new_row != row:
self.Values.insert(new_row, self.Values.pop(row))
self.SaveValues()
self.RefreshValues()
return new_row
return row
setattr(self.VariablesGrid, "_MoveRow", _MoveVariable)
def _GetRowEdit(row):
row_edit = False
if self:
row_edit = self.Table.GetValueByName(row, "Edit")
bodytype = self.Controler.GetEditedElementBodyType(self.TagName)
row_edit = row_edit or (bodytype in ["ST", "IL"])
return row_edit
def _RefreshButtons():
if self:
table_length = len(self.Table.data)
row_edit = True
row = 0
if table_length > 0:
row = self.VariablesGrid.GetGridCursorRow()
row_edit = _GetRowEdit(row)
self.AddButton.Enable(not self.Debug)
self.DeleteButton.Enable(not self.Debug and (table_length > 0 and row_edit))
self.UpButton.Enable(not self.Debug and (table_length > 0 and row > 0 and self.Filter == "All"))
self.DownButton.Enable(not self.Debug and (table_length > 0 and row < table_length - 1 and self.Filter == "All"))
setattr(self.VariablesGrid, "RefreshButtons", _RefreshButtons)
panel_width = window.Parent.ScreenRect.Width - 35
if panel_width > self.PanelWidthMin:
stretch_cols_width = panel_width
stretch_cols_sum = 0
for col in range(len(self.ColSettings["fixed_size"])):
if self.ColSettings["fixed_size"][col]:
stretch_cols_width -= self.ColSettings["size"][col]
else:
stretch_cols_sum += self.ColSettings["size"][col]
self.VariablesGrid.SetRowLabelSize(0)
for col in range(self.Table.GetNumberCols()):
attr = wx.grid.GridCellAttr()
attr.SetAlignment(self.ColSettings["alignement"][col], wx.ALIGN_CENTRE)
self.VariablesGrid.SetColAttr(col, attr)
self.VariablesGrid.SetColMinimalWidth(col, self.ColSettings["size"][col])
if (panel_width > self.PanelWidthMin) and not self.ColSettings["fixed_size"][col]:
self.VariablesGrid.SetColSize(col, int((self.ColSettings["size"][col]/stretch_cols_sum)*stretch_cols_width))
else:
self.VariablesGrid.SetColSize(col, self.ColSettings["size"][col])
def SetTagName(self, tagname):
self.TagName = tagname
self.BodyType = self.Controler.GetEditedElementBodyType(self.TagName)
def GetTagName(self):
return self.TagName
def IsFunctionBlockType(self, name):
if isinstance(name, tuple) or \
self.ElementType != "function" and self.BodyType in ["ST", "IL"]:
return False
else:
return self.Controler.GetBlockType(name, debug=self.Debug) is not None
def RefreshView(self):
self.PouNames = self.Controler.GetProjectPouNames(self.Debug)
returnType = None
description = None
words = self.TagName.split("::")
if self.ElementType == "config":
self.Values = self.Controler.GetConfigurationGlobalVars(words[1], self.Debug)
elif self.ElementType == "resource":
self.Values = self.Controler.GetConfigurationResourceGlobalVars(words[1], words[2], self.Debug)
else:
if self.ElementType == "function":
self.ReturnType.Clear()
for data_type in self.Controler.GetDataTypes(self.TagName, debug=self.Debug):
self.ReturnType.Append(data_type)
returnType = self.Controler.GetEditedElementInterfaceReturnType(self.TagName, debug=self.Debug)
description = self.Controler.GetPouDescription(words[1])
self.Values = self.Controler.GetEditedElementInterfaceVars(self.TagName, debug=self.Debug)
if returnType is not None:
self.ReturnType.SetStringSelection(returnType)
self.ReturnType.Enable(not self.Debug)
self.ReturnTypeLabel.Show()
self.ReturnType.Show()
else:
self.ReturnType.Enable(False)
self.ReturnTypeLabel.Hide()
self.ReturnType.Hide()
if description is not None:
self.Description.SetValue(description)
self.Description.Enable(not self.Debug)
self.DescriptionLabel.Show()
self.Description.Show()
else:
self.Description.Enable(False)
self.DescriptionLabel.Hide()
self.Description.Hide()
self.RefreshValues()
self.VariablesGrid.RefreshButtons()
self.MainSizer.Layout()
def OnReturnTypeChanged(self, event):
words = self.TagName.split("::")
self.Controler.SetPouInterfaceReturnType(words[1], self.ReturnType.GetStringSelection())
self.Controler.BufferProject()
self.ParentWindow.RefreshView(variablepanel=False)
self.ParentWindow._Refresh(TITLE, FILEMENU, EDITMENU, POUINSTANCEVARIABLESPANEL, LIBRARYTREE)
event.Skip()
def OnDescriptionChanged(self, event):
words = self.TagName.split("::")
old_description = self.Controler.GetPouDescription(words[1])
new_description = self.Description.GetValue()
if new_description != old_description:
self.Controler.SetPouDescription(words[1], new_description)
self.ParentWindow._Refresh(TITLE, FILEMENU, EDITMENU, PAGETITLES, POUINSTANCEVARIABLESPANEL, LIBRARYTREE)
event.Skip()
def OnClassFilter(self, event):
self.Filter = self.FilterChoiceTransfer[self.VARIABLE_CHOICES_DICT[self.ClassFilter.GetStringSelection()]]
self.RefreshTypeList()
self.RefreshValues()
self.VariablesGrid.RefreshButtons()
event.Skip()
def RefreshTypeList(self):
if self.Filter == "All":
self.ClassList = [self.FilterChoiceTransfer[choice] for choice in self.FilterChoices if self.FilterChoiceTransfer[choice] not in ["All", "Interface", "Variables"]]
elif self.Filter == "Interface":
self.ClassList = ["Input", "Output", "InOut", "External"]
elif self.Filter == "Variables":
self.ClassList = ["Local", "Temp"]
else:
self.ClassList = [self.Filter]
def ShowErrorMessage(self, message):
dialog = wx.MessageDialog(self, message, _("Error"), wx.OK | wx.ICON_ERROR)
dialog.ShowModal()
dialog.Destroy()
def OnVariableNameChange(self, old_name, new_name):
""" propagate renaming of variable to the rest of the project """
if old_name != "":
self.Controler.UpdateEditedElementUsedVariable(self.TagName, old_name, new_name)
self.Controler.BufferProject()
wx.CallAfter(self.ParentWindow.RefreshView, False)
self.ParentWindow._Refresh(TITLE, FILEMENU, EDITMENU, PAGETITLES, POUINSTANCEVARIABLESPANEL, LIBRARYTREE)
def CheckVariableName(self, value, row):
if not TestIdentifier(value):
message = _("\"%s\" is not a valid identifier!") % value
elif value.upper() in IEC_KEYWORDS:
message = _("\"%s\" is a keyword. It can't be used!") % value
elif value.upper() in self.PouNames:
message = _("A POU named \"%s\" already exists!") % value
elif value.upper() in [var.Name.upper() for var in self.Values if var != self.Table.data[row]]:
message = _("A variable with \"%s\" as name already exists in this pou!") % value
else:
return None
return message
def OnVariablesGridCellChange(self, event):
row, col = event.GetRow(), event.GetCol()
colname = self.Table.GetColLabelValue(col, False)
value = self.Table.GetValue(row, col)
message = None
if colname == "Name" and value != "":
message = self.CheckVariableName(value, row)
if message is None:
self.SaveValues(False)
old_value = self.Table.GetOldValue()
self.OnVariableNameChange(old_value, value)
else:
self.SaveValues()
if colname == "Class":
self.ClearLocation(row, col, value)
wx.CallAfter(self.ParentWindow.RefreshView)
elif colname == "Location":
wx.CallAfter(self.ParentWindow.RefreshView)
if message is not None:
wx.CallAfter(self.ShowErrorMessage, message)
event.Veto()
else:
event.Skip()
def ClearLocation(self, row, col, value):
if self.Values[row].Location != '':
if self.Table.GetColLabelValue(col, False) == 'Class' and value not in ["Local", "Global"] or \
self.Table.GetColLabelValue(col, False) == 'Type' and not self.Controler.IsLocatableType(value):
self.Values[row].Location = ''
self.RefreshValues()
self.SaveValues()
def BuildStdIECTypesMenu(self, type_menu):
# build a submenu containing standard IEC types
base_menu = wx.Menu(title='')
for base_type in self.Controler.GetBaseTypes():
item = base_menu.Append(wx.ID_ANY, helpString='', kind=wx.ITEM_NORMAL, item=base_type)
self.Bind(wx.EVT_MENU, self.GetVariableTypeFunction(base_type), item)
type_menu.Append(wx.ID_ANY, _("Base Types"), base_menu)
def BuildUserTypesMenu(self, type_menu):
# build a submenu containing user-defined types
datatype_menu = wx.Menu(title='')
datatypes = self.Controler.GetDataTypes(basetypes=False, confnodetypes=False)
for datatype in datatypes:
item = datatype_menu.Append(wx.ID_ANY, helpString='', kind=wx.ITEM_NORMAL, item=datatype)
self.Bind(wx.EVT_MENU, self.GetVariableTypeFunction(datatype), item)
type_menu.Append(wx.ID_ANY, _("User Data Types"), datatype_menu)
def BuildLibsTypesMenu(self, type_menu):
for category in self.Controler.GetConfNodeDataTypes():
if len(category["list"]) > 0:
# build a submenu containing confnode types
confnode_datatype_menu = wx.Menu(title='')
for datatype in category["list"]:
item = confnode_datatype_menu.Append(wx.ID_ANY, helpString='', kind=wx.ITEM_NORMAL, item=datatype)
self.Bind(wx.EVT_MENU, self.GetVariableTypeFunction(datatype), item)
type_menu.Append(wx.ID_ANY, category["name"], confnode_datatype_menu)
def BuildProjectTypesMenu(self, type_menu, classtype):
# build a submenu containing function block types
bodytype = self.Controler.GetEditedElementBodyType(self.TagName)
_pouname, poutype = self.Controler.GetEditedElementType(self.TagName)
if classtype in ["Input", "Output", "InOut", "External", "Global"] or \
poutype != "function" and bodytype in ["ST", "IL"]:
functionblock_menu = wx.Menu(title='')
fbtypes = self.Controler.GetFunctionBlockTypes(self.TagName)
for functionblock_type in fbtypes:
item = functionblock_menu.Append(wx.ID_ANY, helpString='', kind=wx.ITEM_NORMAL, item=functionblock_type)
self.Bind(wx.EVT_MENU, self.GetVariableTypeFunction(functionblock_type), item)
type_menu.Append(wx.ID_ANY, _("Function Block Types"), functionblock_menu)
def BuildArrayTypesMenu(self, type_menu):
item = type_menu.Append(wx.ID_ANY, helpString='', kind=wx.ITEM_NORMAL, item=_("Array"))
self.Bind(wx.EVT_MENU, self.VariableArrayTypeFunction, item)
def OnVariablesGridEditorShown(self, event):
row, col = event.GetRow(), event.GetCol()
label_value = self.Table.GetColLabelValue(col, False)
if label_value == "Type":
old_value = self.Values[row].Type
classtype = self.Table.GetValueByName(row, "Class")
type_menu = wx.Menu(title='') # the root menu
self.BuildStdIECTypesMenu(type_menu)
self.BuildUserTypesMenu(type_menu)
self.BuildLibsTypesMenu(type_menu)
self.BuildProjectTypesMenu(type_menu, classtype)
self.BuildArrayTypesMenu(type_menu)
rect = self.VariablesGrid.BlockToDeviceRect((row, col), (row, col))
corner_x = rect.x + rect.width
corner_y = rect.y + self.VariablesGrid.GetColLabelSize()
# pop up this new menu
self.VariablesGrid.PopupMenu(type_menu, corner_x, corner_y)
type_menu.Destroy()
event.Veto()
value = self.Values[row].Type
if old_value != value:
self.ClearLocation(row, col, value)
else:
event.Skip()
def GetVariableTypeFunction(self, base_type):
def VariableTypeFunction(event):
row = self.VariablesGrid.GetGridCursorRow()
self.Table.SetValueByName(row, "Type", base_type)
self.Table.ResetView(self.VariablesGrid)
self.SaveValues(False)
self.ParentWindow.RefreshView(variablepanel=False)
self.Controler.BufferProject()
self.ParentWindow._Refresh(TITLE, FILEMENU, EDITMENU, PAGETITLES, POUINSTANCEVARIABLESPANEL, LIBRARYTREE)
return VariableTypeFunction
def VariableArrayTypeFunction(self, event):
row = self.VariablesGrid.GetGridCursorRow()
dialog = ArrayTypeDialog(self,
self.Controler.GetDataTypes(self.TagName),
self.Table.GetValueByName(row, "Type"))
if dialog.ShowModal() == wx.ID_OK:
self.Table.SetValueByName(row, "Type", dialog.GetValue())
self.Table.ResetView(self.VariablesGrid)
self.SaveValues(False)
self.ParentWindow.RefreshView(variablepanel=False)
self.Controler.BufferProject()
self.ParentWindow._Refresh(TITLE, FILEMENU, EDITMENU, PAGETITLES, POUINSTANCEVARIABLESPANEL, LIBRARYTREE)
dialog.Destroy()
def OnVariablesGridCellLeftClick(self, event):
row = event.GetRow()
if not self.Debug and (event.GetCol() == 0 and self.Table.GetValueByName(row, "Edit")):
var_name = self.Table.GetValueByName(row, "Name")
var_class = self.Table.GetValueByName(row, "Class")
var_type = self.Table.GetValueByName(row, "Type")
var_doc = self.Table.GetValueByName(row, "Documentation")
data = wx.TextDataObject(str((var_name, var_class, var_type, self.TagName, var_doc)))
dragSource = wx.DropSource(self.VariablesGrid)
dragSource.SetData(data)
dragSource.DoDragDrop()
event.Skip()
def RefreshValues(self):
data = []
for num, variable in enumerate(self.Values):
if variable.Class in self.ClassList:
variable.Number = num + 1
data.append(variable)
self.Table.SetData(data)
self.Table.ResetView(self.VariablesGrid)
def SaveValues(self, buffer=True):
words = self.TagName.split("::")
if self.ElementType == "config":
self.Controler.SetConfigurationGlobalVars(words[1], self.Values)
elif self.ElementType == "resource":
self.Controler.SetConfigurationResourceGlobalVars(words[1], words[2], self.Values)
else:
if self.ReturnType.IsEnabled():
self.Controler.SetPouInterfaceReturnType(words[1], self.ReturnType.GetStringSelection())
self.Controler.SetPouInterfaceVars(words[1], self.Values)
if buffer:
self.Controler.BufferProject()
self.ParentWindow._Refresh(TITLE, FILEMENU, EDITMENU, PAGETITLES, POUINSTANCEVARIABLESPANEL, LIBRARYTREE)
# -------------------------------------------------------------------------------
# Highlights showing functions
# -------------------------------------------------------------------------------
def OnRefreshHighlightsTimer(self, event):
self.Table.ResetView(self.VariablesGrid)
event.Skip()
def AddVariableHighlight(self, infos, highlight_type):
if isinstance(infos[0], tuple):
for i in range(*infos[0]):
self.Table.AddHighlight((i,) + infos[1:], highlight_type)
cell_visible = infos[0][0]
else:
self.Table.AddHighlight(infos, highlight_type)
cell_visible = infos[0]
colnames = [colname.lower() for colname in self.Table.colnames]
self.VariablesGrid.MakeCellVisible(cell_visible, colnames.index(infos[1]))
self.RefreshHighlightsTimer.Start(int(REFRESH_HIGHLIGHT_PERIOD * 1000), oneShot=True)
def RemoveVariableHighlight(self, infos, highlight_type):
if isinstance(infos[0], tuple):
for i in range(*infos[0]):
self.Table.RemoveHighlight((i,) + infos[1:], highlight_type)
else:
self.Table.RemoveHighlight(infos, highlight_type)
self.RefreshHighlightsTimer.Start(int(REFRESH_HIGHLIGHT_PERIOD * 1000), oneShot=True)
def ClearHighlights(self, highlight_type=None):
self.Table.ClearHighlights(highlight_type)
self.Table.ResetView(self.VariablesGrid)