on Windows, make sure that Types tree items are selected when right-clicked.
This fixes a bug where the wrong element can be deleted.
# -*- 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, wx.grid
from types import TupleType
from PLCOpenEditor import AppendMenu
from plcopen.structures import LOCATIONDATATYPES, TestIdentifier, IEC_KEYWORDS
#-------------------------------------------------------------------------------
# Variables Editor Panel
#-------------------------------------------------------------------------------
def GetVariableTableColnames(location):
_ = lambda x : x
if location:
return ["#", _("Name"), _("Class"), _("Type"), _("Location"), _("Initial Value"), _("Retain"), _("Constant"), _("Documentation")]
return ["#", _("Name"), _("Class"), _("Type"), _("Initial Value"), _("Retain"), _("Constant"), _("Documentation")]
def GetAlternativeOptions():
_ = lambda x : x
return [_("Yes"), _("No")]
ALTERNATIVE_OPTIONS_DICT = dict([(_(option), option) for option in GetAlternativeOptions()])
def GetFilterChoiceTransfer():
_ = lambda x : x
return {_("All"): _("All"), _("Interface"): _("Interface"),
_(" Input"): _("Input"), _(" Output"): _("Output"), _(" InOut"): _("InOut"),
_(" External"): _("External"), _("Variables"): _("Variables"), _(" Local"): _("Local"),
_(" Temp"): _("Temp"), _("Global"): _("Global")}#, _("Access") : _("Access")}
VARIABLE_CLASSES_DICT = dict([(_(_class), _class) for _class in GetFilterChoiceTransfer().itervalues()])
class VariableTable(wx.grid.PyGridTableBase):
"""
A custom wx.grid.Grid Table using user supplied data
"""
def __init__(self, parent, data, colnames):
# The base class must be initialized *first*
wx.grid.PyGridTableBase.__init__(self)
self.data = data
self.old_value = None
self.colnames = colnames
self.Errors = {}
self.Parent = parent
# XXX
# we need to store the row length and collength to
# see if the table has changed size
self._rows = self.GetNumberRows()
self._cols = self.GetNumberCols()
def GetNumberCols(self):
return len(self.colnames)
def GetNumberRows(self):
return len(self.data)
def GetColLabelValue(self, col, translate=True):
if col < len(self.colnames):
if translate:
return _(self.colnames[col])
return self.colnames[col]
def GetRowLabelValues(self, row, translate=True):
return row
def GetValue(self, row, col):
if row < self.GetNumberRows():
if col == 0:
return self.data[row]["Number"]
colname = self.GetColLabelValue(col, False)
value = str(self.data[row].get(colname, ""))
if colname in ["Class", "Retain", "Constant"]:
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 = self.data[row][colname]
elif colname == "Class":
value = VARIABLE_CLASSES_DICT[value]
elif colname in ["Retain", "Constant"]:
value = ALTERNATIVE_OPTIONS_DICT[value]
self.data[row][colname] = value
def GetValueByName(self, row, colname):
if row < self.GetNumberRows():
return self.data[row].get(colname)
def SetValueByName(self, row, colname, value):
if row < self.GetNumberRows():
self.data[row][colname] = value
def GetOldValue(self):
return self.old_value
def ResetView(self, grid):
"""
(wx.grid.Grid) -> Reset the grid view. Call this to
update the grid if rows and columns have been added or deleted
"""
grid.BeginBatch()
for current, new, delmsg, addmsg in [
(self._rows, self.GetNumberRows(), wx.grid.GRIDTABLE_NOTIFY_ROWS_DELETED, wx.grid.GRIDTABLE_NOTIFY_ROWS_APPENDED),
(self._cols, self.GetNumberCols(), wx.grid.GRIDTABLE_NOTIFY_COLS_DELETED, wx.grid.GRIDTABLE_NOTIFY_COLS_APPENDED),
]:
if new < current:
msg = wx.grid.GridTableMessage(self,delmsg,new,current-new)
grid.ProcessTableMessage(msg)
elif new > current:
msg = wx.grid.GridTableMessage(self,addmsg,new-current)
grid.ProcessTableMessage(msg)
self.UpdateValues(grid)
grid.EndBatch()
self._rows = self.GetNumberRows()
self._cols = self.GetNumberCols()
# update the column rendering scheme
self._updateColAttrs(grid)
# update the scrollbars and the displayed part of the grid
grid.AdjustScrollbars()
grid.ForceRefresh()
def UpdateValues(self, grid):
"""Update all displayed values"""
# This sends an event to the grid table to update all of the values
msg = wx.grid.GridTableMessage(self, wx.grid.GRIDTABLE_REQUEST_VIEW_GET_VALUES)
grid.ProcessTableMessage(msg)
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()):
for col in range(self.GetNumberCols()):
editor = None
renderer = None
colname = self.GetColLabelValue(col, False)
if col != 0 and self.GetValueByName(row, "Edit"):
grid.SetReadOnly(row, col, False)
if colname == "Name":
if self.Parent.PouIsUsed and self.GetValueByName(row, "Class") in ["Input", "Output", "InOut"]:
grid.SetReadOnly(row, col, True)
else:
editor = wx.grid.GridCellTextEditor()
renderer = wx.grid.GridCellStringRenderer()
elif colname == "Initial Value":
editor = wx.grid.GridCellTextEditor()
renderer = wx.grid.GridCellStringRenderer()
elif colname == "Location":
if self.GetValueByName(row, "Class") in ["Local", "Global"]:
editor = LocationCellEditor(self.Parent)
renderer = wx.grid.GridCellStringRenderer()
else:
grid.SetReadOnly(row, col, True)
elif colname == "Class":
if len(self.Parent.ClassList) == 1 or self.Parent.PouIsUsed and self.GetValueByName(row, "Class") in ["Input", "Output", "InOut"]:
grid.SetReadOnly(row, col, True)
else:
editor = wx.grid.GridCellChoiceEditor()
excluded = []
if self.Parent.PouIsUsed:
excluded.extend(["Input","Output","InOut"])
if self.Parent.IsFunctionBlockType(self.data[row]["Type"]):
excluded.extend(["Local","Temp"])
editor.SetParameters(",".join([_(choice) for choice in self.Parent.ClassList if choice not in excluded]))
elif colname in ["Retain", "Constant"]:
editor = wx.grid.GridCellChoiceEditor()
editor.SetParameters(",".join(map(_, self.Parent.OptionList)))
elif colname == "Type":
editor = wx.grid.GridCellTextEditor()
else:
grid.SetReadOnly(row, col, True)
grid.SetCellEditor(row, col, editor)
grid.SetCellRenderer(row, col, renderer)
if row in self.Errors and self.Errors[row][0] == colname.lower():
grid.SetCellBackgroundColour(row, col, wx.Colour(255, 255, 0))
grid.SetCellTextColour(row, col, wx.RED)
grid.MakeCellVisible(row, col)
else:
grid.SetCellTextColour(row, col, wx.BLACK)
grid.SetCellBackgroundColour(row, col, wx.WHITE)
def SetData(self, data):
self.data = data
def GetData(self):
return self.data
def GetCurrentIndex(self):
return self.CurrentIndex
def SetCurrentIndex(self, index):
self.CurrentIndex = index
def AppendRow(self, row_content):
self.data.append(row_content)
def RemoveRow(self, row_index):
self.data.pop(row_index)
def GetRow(self, row_index):
return self.data[row_index]
def Empty(self):
self.data = []
self.editors = []
def AddError(self, infos):
self.Errors[infos[0]] = infos[1:]
def ClearErrors(self):
self.Errors = {}
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):
x, y = self.ParentWindow.VariablesGrid.CalcUnscrolledPosition(x, y)
col = self.ParentWindow.VariablesGrid.XToCol(x)
row = self.ParentWindow.VariablesGrid.YToRow(y - self.ParentWindow.VariablesGrid.GetColLabelSize())
if col != wx.NOT_FOUND and row != wx.NOT_FOUND:
if self.ParentWindow.Table.GetColLabelValue(col, False) != "Location":
return
message = None
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:
try:
values = eval(data)
except:
message = _("Invalid value \"%s\" for location")%data
values = None
if not isinstance(values, TupleType):
message = _("Invalid value \"%s\" for location")%data
values = None
if values is not None and values[1] == "location":
location = values[0]
variable_type = self.ParentWindow.Table.GetValueByName(row, "Type")
base_type = self.ParentWindow.Controler.GetBaseType(variable_type)
message = None
if location.startswith("%"):
if base_type != values[2]:
message = _("Incompatible data types between \"%s\" and \"%s\"")%(values[2], variable_type)
else:
self.ParentWindow.Table.SetValue(row, col, location)
self.ParentWindow.Table.ResetView(self.ParentWindow.VariablesGrid)
self.ParentWindow.SaveValues()
else:
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 \"%s\" and \"%s\"")%(location, variable_type)
else:
dialog = wx.SingleChoiceDialog(self.ParentWindow, _("Select a variable class:"), _("Variable class"), ["Input", "Output", "Memory"], wx.OK|wx.CANCEL)
if dialog.ShowModal() == wx.ID_OK:
selected = dialog.GetSelection()
if selected == 0:
location = "%I" + location
elif selected == 1:
location = "%Q" + location
else:
location = "%M" + location
self.ParentWindow.Table.SetValue(row, col, location)
self.ParentWindow.Table.ResetView(self.ParentWindow.VariablesGrid)
self.ParentWindow.SaveValues()
dialog.Destroy()
if message is not None:
wx.CallAfter(self.ShowMessage, message)
def ShowMessage(self, message):
message = wx.MessageDialog(self.ParentWindow, message, _("Error"), wx.OK|wx.ICON_ERROR)
message.ShowModal()
message.Destroy()
[ID_VARIABLEEDITORPANEL, ID_VARIABLEEDITORPANELVARIABLESGRID,
ID_VARIABLEEDITORCONTROLPANEL, ID_VARIABLEEDITORPANELRETURNTYPE,
ID_VARIABLEEDITORPANELCLASSFILTER, ID_VARIABLEEDITORPANELADDBUTTON,
ID_VARIABLEEDITORPANELDELETEBUTTON, ID_VARIABLEEDITORPANELUPBUTTON,
ID_VARIABLEEDITORPANELDOWNBUTTON, ID_VARIABLEEDITORPANELSTATICTEXT1,
ID_VARIABLEEDITORPANELSTATICTEXT2, ID_VARIABLEEDITORPANELSTATICTEXT3,
] = [wx.NewId() for _init_ctrls in range(12)]
class VariablePanel(wx.Panel):
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_MainSizer_Items(self, parent):
parent.AddWindow(self.VariablesGrid, 0, border=0, flag=wx.GROW)
parent.AddWindow(self.ControlPanel, 0, border=5, flag=wx.GROW|wx.ALL)
def _init_coll_MainSizer_Growables(self, parent):
parent.AddGrowableCol(0)
parent.AddGrowableRow(0)
def _init_coll_ControlPanelSizer_Items(self, parent):
parent.AddSizer(self.ChoicePanelSizer, 0, border=0, flag=wx.GROW)
parent.AddSizer(self.ButtonPanelSizer, 0, border=0, flag=wx.ALIGN_CENTER)
def _init_coll_ControlPanelSizer_Growables(self, parent):
parent.AddGrowableCol(0)
parent.AddGrowableRow(0)
parent.AddGrowableRow(1)
def _init_coll_ChoicePanelSizer_Items(self, parent):
parent.AddWindow(self.staticText1, 0, border=0, flag=wx.ALIGN_BOTTOM)
parent.AddWindow(self.ReturnType, 0, border=0, flag=0)
parent.AddWindow(self.staticText2, 0, border=0, flag=wx.ALIGN_BOTTOM)
parent.AddWindow(self.ClassFilter, 0, border=0, flag=0)
def _init_coll_ButtonPanelSizer_Items(self, parent):
parent.AddWindow(self.UpButton, 0, border=0, flag=0)
parent.AddWindow(self.AddButton, 0, border=0, flag=0)
parent.AddWindow(self.DownButton, 0, border=0, flag=0)
parent.AddWindow(self.DeleteButton, 0, border=0, flag=0)
def _init_coll_ButtonPanelSizer_Growables(self, parent):
parent.AddGrowableCol(0)
parent.AddGrowableCol(1)
parent.AddGrowableCol(2)
parent.AddGrowableCol(3)
parent.AddGrowableRow(0)
def _init_sizers(self):
self.MainSizer = wx.FlexGridSizer(cols=2, hgap=10, rows=1, vgap=0)
self.ControlPanelSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)
self.ChoicePanelSizer = wx.GridSizer(cols=1, hgap=5, rows=4, vgap=5)
self.ButtonPanelSizer = wx.FlexGridSizer(cols=2, hgap=5, rows=2, vgap=5)
self._init_coll_MainSizer_Items(self.MainSizer)
self._init_coll_MainSizer_Growables(self.MainSizer)
self._init_coll_ControlPanelSizer_Items(self.ControlPanelSizer)
self._init_coll_ControlPanelSizer_Growables(self.ControlPanelSizer)
self._init_coll_ChoicePanelSizer_Items(self.ChoicePanelSizer)
self._init_coll_ButtonPanelSizer_Items(self.ButtonPanelSizer)
self._init_coll_ButtonPanelSizer_Growables(self.ButtonPanelSizer)
self.SetSizer(self.MainSizer)
self.ControlPanel.SetSizer(self.ControlPanelSizer)
def _init_ctrls(self, prnt):
wx.Panel.__init__(self, id=ID_VARIABLEEDITORPANEL,
name='VariableEditorPanel', parent=prnt, pos=wx.Point(0, 0),
size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)
self.VariablesGrid = wx.grid.Grid(id=ID_VARIABLEEDITORPANELVARIABLESGRID,
name='VariablesGrid', parent=self, pos=wx.Point(0, 0),
size=wx.Size(0, 0), style=wx.VSCROLL)
self.VariablesGrid.SetFont(wx.Font(12, 77, wx.NORMAL, wx.NORMAL, False,
'Sans'))
self.VariablesGrid.SetLabelFont(wx.Font(10, 77, wx.NORMAL, wx.NORMAL,
False, 'Sans'))
self.VariablesGrid.SetSelectionBackground(wx.WHITE)
self.VariablesGrid.SetSelectionForeground(wx.BLACK)
if wx.VERSION >= (2, 6, 0):
self.VariablesGrid.Bind(wx.grid.EVT_GRID_CELL_CHANGE, self.OnVariablesGridCellChange)
self.VariablesGrid.Bind(wx.grid.EVT_GRID_SELECT_CELL, self.OnVariablesGridSelectCell)
self.VariablesGrid.Bind(wx.grid.EVT_GRID_CELL_LEFT_CLICK, self.OnVariablesGridCellLeftClick)
self.VariablesGrid.Bind(wx.grid.EVT_GRID_EDITOR_SHOWN, self.OnVariablesGridEditorShown)
#self.VariablesGrid.Bind(wx.EVT_KEY_DOWN, self.OnChar)
else:
wx.grid.EVT_GRID_CELL_CHANGE(self.VariablesGrid, self.OnVariablesGridCellChange)
wx.grid.EVT_GRID_SELECT_CELL(self.VariablesGrid, self.OnVariablesGridSelectCell)
wx.grid.EVT_GRID_CELL_LEFT_CLICK(self.VariablesGrid, self.OnVariablesGridCellLeftClick)
wx.grid.EVT_GRID_EDITOR_SHOWN(self.VariablesGrid, self.OnVariablesGridEditorShown)
#wx.EVT_KEY_DOWN(self.VariablesGrid, self.OnChar)
self.VariablesGrid.SetDropTarget(VariableDropTarget(self))
self.ControlPanel = wx.ScrolledWindow(id=ID_VARIABLEEDITORCONTROLPANEL,
name='ControlPanel', parent=self, pos=wx.Point(0, 0),
size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)
self.ControlPanel.SetScrollRate(0, 10)
self.staticText1 = wx.StaticText(id=ID_VARIABLEEDITORPANELSTATICTEXT1,
label=_('Return Type:'), name='staticText1', parent=self.ControlPanel,
pos=wx.Point(0, 0), size=wx.Size(145, 17), style=0)
self.ReturnType = wx.ComboBox(id=ID_VARIABLEEDITORPANELRETURNTYPE,
name='ReturnType', parent=self.ControlPanel, pos=wx.Point(0, 0),
size=wx.Size(145, 28), style=wx.CB_READONLY)
self.Bind(wx.EVT_COMBOBOX, self.OnReturnTypeChanged, id=ID_VARIABLEEDITORPANELRETURNTYPE)
self.staticText2 = wx.StaticText(id=ID_VARIABLEEDITORPANELSTATICTEXT2,
label=_('Class Filter:'), name='staticText2', parent=self.ControlPanel,
pos=wx.Point(0, 0), size=wx.Size(145, 17), style=0)
self.ClassFilter = wx.ComboBox(id=ID_VARIABLEEDITORPANELCLASSFILTER,
name='ClassFilter', parent=self.ControlPanel, pos=wx.Point(0, 0),
size=wx.Size(145, 28), style=wx.CB_READONLY)
self.Bind(wx.EVT_COMBOBOX, self.OnClassFilter, id=ID_VARIABLEEDITORPANELCLASSFILTER)
self.AddButton = wx.Button(id=ID_VARIABLEEDITORPANELADDBUTTON, label=_('Add'),
name='AddButton', parent=self.ControlPanel, pos=wx.Point(0, 0),
size=wx.DefaultSize, style=0)
self.Bind(wx.EVT_BUTTON, self.OnAddButton, id=ID_VARIABLEEDITORPANELADDBUTTON)
self.DeleteButton = wx.Button(id=ID_VARIABLEEDITORPANELDELETEBUTTON, label=_('Delete'),
name='DeleteButton', parent=self.ControlPanel, pos=wx.Point(0, 0),
size=wx.DefaultSize, style=0)
self.Bind(wx.EVT_BUTTON, self.OnDeleteButton, id=ID_VARIABLEEDITORPANELDELETEBUTTON)
self.UpButton = wx.Button(id=ID_VARIABLEEDITORPANELUPBUTTON, label='^',
name='UpButton', parent=self.ControlPanel, pos=wx.Point(0, 0),
size=wx.Size(32, 32), style=0)
self.Bind(wx.EVT_BUTTON, self.OnUpButton, id=ID_VARIABLEEDITORPANELUPBUTTON)
self.DownButton = wx.Button(id=ID_VARIABLEEDITORPANELDOWNBUTTON, label='v',
name='DownButton', parent=self.ControlPanel, pos=wx.Point(0, 0),
size=wx.Size(32, 32), style=0)
self.Bind(wx.EVT_BUTTON, self.OnDownButton, id=ID_VARIABLEEDITORPANELDOWNBUTTON)
self._init_sizers()
def __init__(self, parent, window, controler, element_type):
self._init_ctrls(parent)
self.ParentWindow = window
self.Controler = controler
self.ElementType = element_type
self.Filter = "All"
self.FilterChoices = []
self.FilterChoiceTransfer = GetFilterChoiceTransfer()
self.DefaultValue = { "Name" : "", "Class" : "", "Type" : "INT", "Location" : "",
"Initial Value" : "", "Retain" : "No", "Constant" : "No",
"Documentation" : "", "Edit" : True
}
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
l = wx.ALIGN_LEFT
c = wx.ALIGN_CENTER
# Num Name Class Type Loc Init Retain Const Doc
self.ColSizes = [40, 80, 70, 80, 80, 80, 60, 70, 80]
self.ColAlignements = [c, l, l, l, l, l, c, c, l]
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", " Temp"]
else:
self.FilterChoices = ["All",
"Interface", " Input", " Output", " InOut", " External",
"Variables", " Local", " Temp"]
# these condense the ColAlignements list
l = wx.ALIGN_LEFT
c = wx.ALIGN_CENTER
# Num Name Class Type Init Retain Const Doc
self.ColSizes = [40, 80, 70, 80, 80, 60, 70, 160]
self.ColAlignements = [c, l, l, l, l, c, c, l]
for choice in self.FilterChoices:
self.ClassFilter.Append(_(choice))
reverse_transfer = {}
for filter, choice in self.FilterChoiceTransfer.items():
reverse_transfer[choice] = filter
self.ClassFilter.SetStringSelection(_(reverse_transfer[self.Filter]))
self.RefreshTypeList()
self.OptionList = GetAlternativeOptions()
if element_type == "function":
for base_type in self.Controler.GetBaseTypes():
self.ReturnType.Append(base_type)
self.ReturnType.Enable(True)
else:
self.ReturnType.Enable(False)
self.staticText1.Hide()
self.ReturnType.Hide()
self.VariablesGrid.SetTable(self.Table)
self.VariablesGrid.SetRowLabelSize(0)
for col in range(self.Table.GetNumberCols()):
attr = wx.grid.GridCellAttr()
attr.SetAlignment(self.ColAlignements[col], wx.ALIGN_CENTRE)
self.VariablesGrid.SetColAttr(col, attr)
self.VariablesGrid.SetColMinimalWidth(col, self.ColSizes[col])
self.VariablesGrid.AutoSizeColumn(col, False)
def SetTagName(self, tagname):
self.TagName = tagname
def IsFunctionBlockType(self, name):
bodytype = self.Controler.GetEditedElementBodyType(self.TagName, self.ParentWindow.Debug)
pouname, poutype = self.Controler.GetEditedElementType(self.TagName, self.ParentWindow.Debug)
if poutype != "function" and bodytype in ["ST", "IL"]:
return False
else:
return name in self.Controler.GetFunctionBlockTypes(self.TagName, self.ParentWindow.Debug)
def RefreshView(self):
self.PouNames = self.Controler.GetProjectPouNames(self.ParentWindow.Debug)
words = self.TagName.split("::")
if self.ElementType == "config":
self.PouIsUsed = False
returnType = None
self.Values = self.Controler.GetConfigurationGlobalVars(words[1], self.ParentWindow.Debug)
elif self.ElementType == "resource":
self.PouIsUsed = False
returnType = None
self.Values = self.Controler.GetConfigurationResourceGlobalVars(words[1], words[2], self.ParentWindow.Debug)
else:
self.PouIsUsed = self.Controler.PouIsUsed(words[1], self.ParentWindow.Debug)
returnType = self.Controler.GetEditedElementInterfaceReturnType(self.TagName, self.ParentWindow.Debug)
self.Values = self.Controler.GetEditedElementInterfaceVars(self.TagName, self.ParentWindow.Debug)
if returnType and self.ReturnType.IsEnabled():
self.ReturnType.SetStringSelection(returnType)
self.RefreshValues()
self.RefreshButtons()
def OnReturnTypeChanged(self, event):
words = self.TagName.split("::")
self.Controler.SetPouInterfaceReturnType(words[1], self.ReturnType.GetStringSelection())
self.Controler.BufferProject()
self.ParentWindow.RefreshEditor(variablepanel = False)
self.ParentWindow.RefreshTitle()
self.ParentWindow.RefreshEditMenu()
self.ParentWindow.RefreshInstancesTree()
self.ParentWindow.RefreshLibraryTree()
event.Skip()
def OnClassFilter(self, event):
self.Filter = self.FilterChoiceTransfer[self.ClassFilter.GetStringSelection()]
self.RefreshTypeList()
self.RefreshValues()
self.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 RefreshButtons(self):
if getattr(self, "Table", None):
table_length = len(self.Table.data)
row_class = None
row_edit = True
if table_length > 0:
row = self.VariablesGrid.GetGridCursorRow()
row_edit = self.Table.GetValueByName(row, "Edit")
if self.PouIsUsed:
row_class = self.Table.GetValueByName(row, "Class")
self.AddButton.Enable(not self.PouIsUsed or self.Filter not in ["Interface", "Input", "Output", "InOut"])
self.DeleteButton.Enable(table_length > 0 and row_edit and row_class not in ["Input", "Output", "InOut"])
self.UpButton.Enable(table_length > 0 and self.Filter == "All" and row_class not in ["Input", "Output", "InOut"])
self.DownButton.Enable(table_length > 0 and self.Filter == "All" and row_class not in ["Input", "Output", "InOut"])
def OnAddButton(self, event):
new_row = self.DefaultValue.copy()
if self.Filter in self.DefaultTypes:
new_row["Class"] = self.DefaultTypes[self.Filter]
else:
new_row["Class"] = self.Filter
if self.Filter == "All" and len(self.Values) > 0:
row_index = self.VariablesGrid.GetGridCursorRow() + 1
self.Values.insert(row_index, new_row)
else:
row_index = -1
self.Values.append(new_row)
self.SaveValues()
self.RefreshValues(row_index)
self.RefreshButtons()
event.Skip()
def OnDeleteButton(self, event):
row = self.Table.GetRow(self.VariablesGrid.GetGridCursorRow())
self.Values.remove(row)
self.SaveValues()
self.RefreshValues()
self.RefreshButtons()
event.Skip()
def OnUpButton(self, event):
self.MoveValue(self.VariablesGrid.GetGridCursorRow(), -1)
self.RefreshButtons()
event.Skip()
def OnDownButton(self, event):
self.MoveValue(self.VariablesGrid.GetGridCursorRow(), 1)
self.RefreshButtons()
event.Skip()
def OnVariablesGridCellChange(self, event):
row, col = event.GetRow(), event.GetCol()
colname = self.Table.GetColLabelValue(col)
value = self.Table.GetValue(row, col)
if colname == "Name" and value != "":
if not TestIdentifier(value):
message = wx.MessageDialog(self, _("\"%s\" is not a valid identifier!")%value, _("Error"), wx.OK|wx.ICON_ERROR)
message.ShowModal()
message.Destroy()
event.Veto()
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()
event.Veto()
elif value.upper() in self.PouNames:
message = wx.MessageDialog(self, _("A pou with \"%s\" as name exists!")%value, _("Error"), wx.OK|wx.ICON_ERROR)
message.ShowModal()
message.Destroy()
event.Veto()
elif value.upper() in [var["Name"].upper() for var in self.Values if var != self.Table.data[row]]:
message = wx.MessageDialog(self, _("A variable with \"%s\" as name already exists in this pou!")%value, _("Error"), wx.OK|wx.ICON_ERROR)
message.ShowModal()
message.Destroy()
event.Veto()
else:
self.SaveValues(False)
old_value = self.Table.GetOldValue()
if old_value != "":
self.Controler.UpdateEditedElementUsedVariable(self.TagName, old_value, value)
self.Controler.BufferProject()
self.ParentWindow.RefreshEditor(variablepanel = False)
self.ParentWindow.RefreshTitle()
self.ParentWindow.RefreshEditMenu()
self.ParentWindow.RefreshInstancesTree()
self.ParentWindow.RefreshLibraryTree()
event.Skip()
else:
self.SaveValues()
if colname == "Class":
self.Table.ResetView(self.VariablesGrid)
event.Skip()
def OnVariablesGridEditorShown(self, event):
row, col = event.GetRow(), event.GetCol()
label_value = self.Table.GetColLabelValue(col)
if label_value == "Type":
debug = self.ParentWindow.Debug
type_menu = wx.Menu(title='') # the root menu
# build a submenu containing standard IEC types
base_menu = wx.Menu(title='')
for base_type in self.Controler.GetBaseTypes():
new_id = wx.NewId()
AppendMenu(base_menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=base_type)
self.Bind(wx.EVT_MENU, self.GetVariableTypeFunction(base_type), id=new_id)
type_menu.AppendMenu(wx.NewId(), _("Base Types"), base_menu)
# build a submenu containing user-defined types
datatype_menu = wx.Menu(title='')
datatypes = self.Controler.GetDataTypes(basetypes = False, debug = debug)
for datatype in datatypes:
new_id = wx.NewId()
AppendMenu(datatype_menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=datatype)
self.Bind(wx.EVT_MENU, self.GetVariableTypeFunction(datatype), id=new_id)
type_menu.AppendMenu(wx.NewId(), _("User Data Types"), datatype_menu)
# build a submenu containing function block types
bodytype = self.Controler.GetEditedElementBodyType(self.TagName, debug)
pouname, poutype = self.Controler.GetEditedElementType(self.TagName, debug)
classtype = self.Table.GetValueByName(row, "Class")
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, debug)
for functionblock_type in fbtypes:
new_id = wx.NewId()
AppendMenu(functionblock_menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=functionblock_type)
self.Bind(wx.EVT_MENU, self.GetVariableTypeFunction(functionblock_type), id=new_id)
type_menu.AppendMenu(wx.NewId(), _("Function Block Types"), functionblock_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.PopupMenuXY(type_menu, corner_x, corner_y)
event.Veto()
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.RefreshEditor(variablepanel = False)
self.Controler.BufferProject()
self.ParentWindow.RefreshTitle()
self.ParentWindow.RefreshEditMenu()
self.ParentWindow.RefreshInstancesTree()
self.ParentWindow.RefreshLibraryTree()
event.Skip()
return VariableTypeFunction
def OnVariablesGridCellLeftClick(self, event):
row = event.GetRow()
if event.GetCol() == 0 and self.Table.GetValueByName(row, "Edit"):
row = event.GetRow()
var_name = self.Table.GetValueByName(row, "Name")
var_class = self.Table.GetValueByName(row, "Class")
var_type = self.Table.GetValueByName(row, "Type")
data = wx.TextDataObject(str((var_name, var_class, var_type, self.TagName)))
dragSource = wx.DropSource(self.VariablesGrid)
dragSource.SetData(data)
dragSource.DoDragDrop()
event.Skip()
def OnVariablesGridSelectCell(self, event):
wx.CallAfter(self.RefreshButtons)
event.Skip()
def OnChar(self, event):
keycode = event.GetKeyCode()
if keycode == wx.WXK_DELETE:
row = self.Table.GetRow(self.VariablesGrid.GetGridCursorRow())
self.Values.remove(row)
self.SaveValues()
self.RefreshValues()
self.RefreshButtons()
event.Skip()
def MoveValue(self, value_index, move):
new_index = max(0, min(value_index + move, len(self.Values) - 1))
if new_index != value_index:
self.Values.insert(new_index, self.Values.pop(value_index))
self.SaveValues()
self.RefreshValues()
self.VariablesGrid.SetGridCursor(new_index, self.VariablesGrid.GetGridCursorCol())
def RefreshValues(self, select=0):
if len(self.Table.data) > 0:
self.VariablesGrid.SetGridCursor(0, 1)
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)
if len(self.Table.data) > 0:
if select == -1:
select = len(self.Table.data) - 1
self.VariablesGrid.SetGridCursor(select, 1)
self.VariablesGrid.MakeCellVisible(select, 1)
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.RefreshTitle()
self.ParentWindow.RefreshEditMenu()
self.ParentWindow.RefreshInstancesTree()
self.ParentWindow.RefreshLibraryTree()
def AddVariableError(self, infos):
if isinstance(infos[0], TupleType):
for i in xrange(*infos[0]):
self.Table.AddError((i,) + infos[1:])
else:
self.Table.AddError(infos)
self.Table.ResetView(self.VariablesGrid)
def ClearErrors(self):
self.Table.ClearErrors()
self.Table.ResetView(self.VariablesGrid)
class LocationCellControl(wx.PyControl):
'''
Custom cell editor control with a text box and a button that launches
the BrowseVariableLocationsDialog.
'''
def __init__(self, parent, var_panel):
wx.Control.__init__(self, parent, -1)
self.ParentWindow = parent
self.VarPanel = var_panel
self.Row = -1
self.Bind(wx.EVT_SIZE, self.OnSize)
# create text control
self.txt = wx.TextCtrl(self, -1, '')
# create browse button
self.btn = wx.Button(self, -1, '...', size=(20,20))
self.btn.Bind(wx.EVT_BUTTON, self.OnBtnBrowseClick)
szr = wx.BoxSizer(wx.HORIZONTAL)
szr.Add(self.txt, proportion=1, flag=wx.EXPAND)
szr.Add(self.btn, proportion=0, flag=wx.ALIGN_RIGHT)
szr.SetSizeHints(self)
self.SetSizer(szr)
self.Layout()
def SetRow(self, row):
'''set the grid row that we're working on'''
self.Row = row
def OnSize(self, event):
'''resize the button and text control to fit'''
overall_width = self.GetSize()[0]
btn_width, btn_height = self.btn.GetSize()
new_txt_width = overall_width - btn_width
self.txt.SetSize(wx.Size(new_txt_width, -1))
self.btn.SetDimensions(new_txt_width, -1, btn_width, btn_height)
def OnBtnBrowseClick(self, event):
# pop up the location browser dialog
dia = BrowseVariableLocationsDialog(self.ParentWindow, self.VarPanel)
dia.ShowModal()
if dia.Selection:
loc, iec_type, doc = dia.Selection
# set the location
self.SetText(loc)
# set the variable type and documentation
# NOTE: this update won't be displayed until editing is complete
# (when EndEdit is called).
# we can't call VarPanel.RefreshValues() here because it causes
# an exception.
self.VarPanel.Table.SetValueByName(self.Row, 'Type', iec_type)
self.VarPanel.Table.SetValueByName(self.Row, 'Documentation', doc)
self.txt.SetFocus()
def SetText(self, text):
self.txt.SetValue(text)
def SetInsertionPoint(self, i):
self.txt.SetInsertionPoint(i)
def GetText(self):
return self.txt.GetValue()
def SetFocus(self):
self.txt.SetFocus()
class LocationCellEditor(wx.grid.PyGridCellEditor):
'''
Grid cell editor that uses LocationCellControl to display a browse button.
'''
def __init__(self, var_panel):
wx.grid.PyGridCellEditor.__init__(self)
self.VarPanel = var_panel
def Create(self, parent, id, evt_handler):
self.text_browse = LocationCellControl(parent, self.VarPanel)
self.SetControl(self.text_browse)
if evt_handler:
self.text_browse.PushEventHandler(evt_handler)
def BeginEdit(self, row, col, grid):
loc = self.VarPanel.Table.GetValueByName(row, 'Location')
self.text_browse.SetText(loc)
self.text_browse.SetRow(row)
self.text_browse.SetFocus()
def EndEdit(self, row, col, grid):
loc = self.text_browse.GetText()
old_loc = self.VarPanel.Table.GetValueByName(row, 'Location')
if loc != old_loc:
self.VarPanel.Table.SetValueByName(row, 'Location', loc)
# NOTE: this is a really lame hack to force this row's
# 'Type' cell to redraw (since it may have changed).
# There's got to be a better way than this.
self.VarPanel.VariablesGrid.AutoSizeRow(row)
return True
def SetSize(self, rect):
# -2 and +5 give this some extra vertical padding
self.text_browse.SetDimensions(rect.x, rect.y-2,
rect.width, rect.height+5,
wx.SIZE_ALLOW_MINUS_ONE)
def Clone(self):
return LocationCellEditor(self.VarPanel)
class BrowseVariableLocationsDialog(wx.Dialog):
# turn LOCATIONDATATYPES inside-out
LOCATION_SIZES = {}
for size, types in LOCATIONDATATYPES.iteritems():
for type in types:
LOCATION_SIZES[type] = size
class PluginData:
'''contains a plugin's VariableLocationTree'''
def __init__(self, plugin):
self.subtree = plugin.GetVariableLocationTree()
class SubtreeData:
'''contains a subtree of a plugin's VariableLocationTree'''
def __init__(self, subtree):
self.subtree = subtree
class VariableData:
'''contains all the information about a valid variable location'''
def __init__(self, type, dir, loc):
self.type = type
loc_suffix = '.'.join([str(x) for x in loc])
size = BrowseVariableLocationsDialog.LOCATION_SIZES[type]
self.loc = size + loc_suffix
# if a direction was given, use it
# (if not we'll prompt the user to select one)
if dir:
self.loc = '%' + dir + self.loc
def __init__(self, parent, var_panel):
self.VarPanel = var_panel
self.Selection = None
# create the dialog
wx.Dialog.__init__(self, parent=parent, title=_('Browse Variables'),
style=wx.DEFAULT_DIALOG_STYLE|wx.RESIZE_BORDER,
size=(-1, 400))
# create the root sizer
sizer = wx.BoxSizer(wx.VERTICAL)
self.SetSizer(sizer)
# create the tree control
self.tree = wx.TreeCtrl(self, style=wx.TR_DEFAULT_STYLE|wx.TR_HIDE_ROOT)
sizer.Add(self.tree, 1, wx.EXPAND|wx.ALL, border=20)
# create the Direction sizer and field
dsizer = wx.BoxSizer(wx.HORIZONTAL)
sizer.Add(dsizer, 0, wx.LEFT|wx.RIGHT|wx.BOTTOM|wx.EXPAND, border=20)
# direction label
ltext = wx.StaticText(self, -1, _('Direction:'))
dsizer.Add(ltext, flag=wx.RIGHT|wx.ALIGN_CENTER_VERTICAL, border=20)
# direction choice
self.DirChoice = wx.Choice(id=-1, parent=self, choices=[_('Input'), _('Output'), _('Memory')])
dsizer.Add(self.DirChoice, flag=wx.EXPAND)
# set a default for the choice
self.SetSelectedDirection('I')
# create the button sizer
btsizer = wx.BoxSizer(wx.HORIZONTAL)
sizer.Add(btsizer, 0, wx.LEFT|wx.RIGHT|wx.BOTTOM|wx.ALIGN_RIGHT, border=20)
# add plugins to the tree
root = self.tree.AddRoot(_('Plugins'))
ctrl = self.VarPanel.Controler
self.AddChildPluginsToTree(ctrl.PluginsRoot, root)
# -- buttons --
# ok button
self.OkButton = wx.Button(self, wx.ID_OK, _('Use Location'))
self.OkButton.SetDefault()
btsizer.Add(self.OkButton, flag=wx.RIGHT, border=5)
# cancel button
b = wx.Button(self, wx.ID_CANCEL, _('Cancel'))
btsizer.Add(b)
# -- event handlers --
# accept the location on doubleclick or clicking the Use Location button
self.Bind(wx.EVT_BUTTON, self.OnOk, self.OkButton)
self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.OnOk, self.tree)
# disable the Add button when we're not on a valid variable
self.Bind(wx.EVT_TREE_SEL_CHANGED, self.OnSelChange, self.tree)
# handle the Expand event. this lets us create the tree as it's expanded
# (trying to create it all at once is slow since plugin variable location
# trees can be big)
wx.EVT_TREE_ITEM_EXPANDING(self.tree, self.tree.GetId(), self.OnExpand)
def OnExpand(self, event):
item = event.GetItem()
if not item.IsOk():
item = self.tree.GetSelection()
data = self.tree.GetPyData(item)
self.ExpandTree(item, data.subtree)
def AddChildPluginsToTree(self, plugin, root):
for p in plugin.IECSortedChilds():
plug_name = p.BaseParams.getName()
new_item = self.tree.AppendItem(root, plug_name)
# make it look like the tree item has children (since it doesn't yet)
self.tree.SetItemHasChildren(new_item)
# attach the plugin data to the tree item
self.tree.SetPyData(new_item, BrowseVariableLocationsDialog.PluginData(p))
# add child plugins recursively
self.AddChildPluginsToTree(p, new_item)
def ExpandTree(self, root, subtree):
items = subtree.items()
items.sort()
for node_name, data in items:
if isinstance(data, dict):
# this is a new subtree
new_item = self.tree.AppendItem(root, node_name)
self.tree.SetItemHasChildren(new_item)
# attach the new subtree's data to the tree item
new_data = BrowseVariableLocationsDialog.SubtreeData(data)
self.tree.SetPyData(new_item, new_data)
else:
# this is a new leaf.
# data is a tuple containing (IEC type, I/Q/M/None, IEC path tuple)
type, dir, loc = data
node_name = '%s (%s)' % (node_name, type)
new_item = self.tree.AppendItem(root, node_name)
vd = BrowseVariableLocationsDialog.VariableData(type, dir, loc)
self.tree.SetPyData(new_item, vd)
def OnSelChange(self, event):
'''updates the text field and the "Use Location" button.'''
item = self.tree.GetSelection()
data = self.tree.GetPyData(item)
if isinstance(data, BrowseVariableLocationsDialog.VariableData):
self.OkButton.Enable()
location = data.loc
if location[0] == '%':
# location has a fixed direction
self.SetSelectedDirection(location[1])
self.DirChoice.Disable()
else:
# this location can have any direction (user selects)
self.DirChoice.Enable()
else:
self.OkButton.Disable()
self.DirChoice.Disable()
def GetSelectedDirection(self):
selected = self.DirChoice.GetSelection()
if selected == 0:
return 'I'
elif selected == 1:
return 'Q'
else:
return 'M'
def SetSelectedDirection(self, dir_letter):
if dir_letter == 'I':
self.DirChoice.SetSelection(0)
elif dir_letter == 'Q':
self.DirChoice.SetSelection(1)
else:
self.DirChoice.SetSelection(2)
def OnOk(self, event):
item = self.tree.GetSelection()
data = self.tree.GetPyData(item)
if not isinstance(data, BrowseVariableLocationsDialog.VariableData):
return
location = data.loc
if location[0] != '%':
# no direction was given, grab the one from the wxChoice
dir = self.GetSelectedDirection()
location = '%' + dir + location
# walk up the tree, building documentation for the variable
documentation = self.tree.GetItemText(item)
parent = self.tree.GetItemParent(item)
root = self.tree.GetRootItem()
while parent != root:
text = self.tree.GetItemText(parent)
documentation = text + ":" + documentation
parent = self.tree.GetItemParent(parent)
self.Selection = (location, data.type, documentation)
self.Destroy()