author | Andrey Skvortsov <andrej.skvortzov@gmail.com> |
Thu, 17 Aug 2017 17:25:17 +0300 | |
changeset 1766 | c1e5b9f19483 |
parent 1745 | f9d32913bad4 |
child 1768 | 691083b5682a |
permissions | -rw-r--r-- |
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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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# This file is part of Beremiz, a Integrated Development Environment for |
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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival. |
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# |
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# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD |
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# Copyright (C) 2017: Andrey Skvortsov <andrej.skvortzov@gmail.com> |
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# |
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# See COPYING file for copyrights details. |
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# |
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# This program is free software; you can redistribute it and/or |
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# modify it under the terms of the GNU General Public License |
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# as published by the Free Software Foundation; either version 2 |
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# of the License, or (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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import wx |
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from graphics.GraphicCommons import INPUT, INOUT, OUTPUT |
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from graphics.FBD_Objects import FBD_Variable |
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from BlockPreviewDialog import BlockPreviewDialog |
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#------------------------------------------------------------------------------- |
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# Helpers |
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#------------------------------------------------------------------------------- |
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# Dictionaries containing correspondence between variable block class and string |
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# to be shown in Class combo box in both sense |
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VARIABLE_CLASSES_DICT = { |
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INPUT: _("Input"), |
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INOUT: _("InOut"), |
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OUTPUT: _("Output") |
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} |
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VARIABLE_CLASSES_DICT_REVERSE = dict( |
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[(value, key) for key, value in VARIABLE_CLASSES_DICT.iteritems()]) |
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#------------------------------------------------------------------------------- |
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# Set Variable Parameters Dialog |
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#------------------------------------------------------------------------------- |
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class FBDVariableDialog(BlockPreviewDialog): |
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""" |
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Class that implements a dialog for defining parameters of a FBD variable graphic |
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element |
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""" |
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def __init__(self, parent, controller, tagname, exclude_input=False): |
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""" |
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Constructor |
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@param parent: Parent wx.Window of dialog for modal |
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@param controller: Reference to project controller |
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@param tagname: Tagname of project POU edited |
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@param exclude_input: Exclude input from variable class selection |
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""" |
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BlockPreviewDialog.__init__(self, parent, controller, tagname, |
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title=_('Variable Properties')) |
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# Init common sizers |
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self._init_sizers(4, 2, 4, None, 3, 2) |
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# Create label for variable class |
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class_label = wx.StaticText(self, label=_('Class:')) |
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self.LeftGridSizer.AddWindow(class_label, flag=wx.GROW) |
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# Create a combo box for defining variable class |
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self.Class = wx.ComboBox(self, style=wx.CB_READONLY) |
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self.Bind(wx.EVT_COMBOBOX, self.OnClassChanged, self.Class) |
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self.LeftGridSizer.AddWindow(self.Class, flag=wx.GROW) |
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# Create label for variable execution order |
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execution_order_label = wx.StaticText(self, |
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label=_('Execution Order:')) |
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self.LeftGridSizer.AddWindow(execution_order_label, flag=wx.GROW) |
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# Create spin control for defining variable execution order |
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self.ExecutionOrder = wx.SpinCtrl(self, min=0, style=wx.SP_ARROW_KEYS) |
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self.Bind(wx.EVT_SPINCTRL, self.OnExecutionOrderChanged, |
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self.ExecutionOrder) |
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self.LeftGridSizer.AddWindow(self.ExecutionOrder, flag=wx.GROW) |
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# Create label for variable expression |
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name_label = wx.StaticText(self, label=_('Expression:')) |
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self.RightGridSizer.AddWindow(name_label, border=5, |
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flag=wx.GROW | wx.BOTTOM) |
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# Create text control for defining variable expression |
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self.Expression = wx.TextCtrl(self) |
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self.Bind(wx.EVT_TEXT, self.OnExpressionChanged, self.Expression) |
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self.RightGridSizer.AddWindow(self.Expression, flag=wx.GROW) |
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# Create a list box to selected variable expression in the list of |
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# variables defined in POU |
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self.VariableName = wx.ListBox(self, size=wx.Size(-1, 120), |
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style=wx.LB_SINGLE | wx.LB_SORT) |
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self.Bind(wx.EVT_LISTBOX, self.OnNameChanged, self.VariableName) |
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self.RightGridSizer.AddWindow(self.VariableName, border=4, flag=wx.GROW | wx.TOP) |
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# Add preview panel and associated label to sizers |
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self.MainSizer.AddWindow(self.PreviewLabel, border=20, |
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flag=wx.GROW | wx.LEFT | wx.RIGHT) |
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self.MainSizer.AddWindow(self.Preview, border=20, |
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flag=wx.GROW | wx.LEFT | wx.RIGHT) |
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# Add buttons sizer to sizers |
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self.MainSizer.AddSizer(self.ButtonSizer, border=20, |
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flag=wx.ALIGN_RIGHT | wx.BOTTOM | wx.LEFT | wx.RIGHT) |
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# Set options that can be selected in class combo box |
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for var_class, choice in VARIABLE_CLASSES_DICT.iteritems(): |
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if not exclude_input or var_class != INPUT: |
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self.Class.Append(choice) |
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self.Class.SetSelection(0) |
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# Extract list of variables defined in POU |
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self.RefreshVariableList() |
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# Refresh values in name list box |
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self.RefreshNameList() |
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self.Preview.SetInitialSize(wx.Size(-1, 60)) |
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self.Fit() |
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# Class combo box is default control having keyboard focus |
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self.Class.SetFocus() |
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def RefreshNameList(self): |
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""" |
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Called to refresh names in name list box |
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""" |
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# Get variable class to select POU variable applicable |
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var_class = VARIABLE_CLASSES_DICT_REVERSE[ |
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self.Class.GetStringSelection()] |
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# Refresh names in name list box by selecting variables in POU variables |
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# list that can be applied to variable class |
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self.VariableName.Clear() |
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for name, (var_type, value_type) in self.VariableList.iteritems(): |
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if var_type != "Input" or var_class == INPUT: |
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self.VariableName.Append(name) |
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# Get variable expression and select corresponding value in name list |
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# box if it exists |
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selected = self.Expression.GetValue() |
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if selected != "" and self.VariableName.FindString(selected) != wx.NOT_FOUND: |
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self.VariableName.SetStringSelection(selected) |
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else: |
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self.VariableName.SetSelection(wx.NOT_FOUND) |
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|
159 |
|
1244 | 160 |
# Disable name list box if no name present inside |
814 | 161 |
self.VariableName.Enable(self.VariableName.GetCount() > 0) |
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162 |
|
814 | 163 |
def SetValues(self, values): |
1244 | 164 |
""" |
165 |
Set default variable parameters |
|
166 |
@param values: Variable parameters values |
|
167 |
""" |
|
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168 |
|
1244 | 169 |
# Get class parameter value |
170 |
var_class = values.get("class", None) |
|
171 |
if var_class is not None: |
|
172 |
# Set class selected in class combo box |
|
173 |
self.Class.SetStringSelection(VARIABLE_CLASSES_DICT[var_class]) |
|
174 |
# Refresh names in name list box according to var class |
|
814 | 175 |
self.RefreshNameList() |
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176 |
|
1244 | 177 |
# For each parameters defined, set corresponding control value |
178 |
for name, value in values.items(): |
|
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179 |
|
1244 | 180 |
# Parameter is variable expression |
181 |
if name == "expression": |
|
182 |
# Set expression text control value |
|
183 |
self.Expression.ChangeValue(value) |
|
184 |
# Select corresponding text in name list box if it exists |
|
185 |
if self.VariableName.FindString(value) != wx.NOT_FOUND: |
|
186 |
self.VariableName.SetStringSelection(value) |
|
187 |
else: |
|
188 |
self.VariableName.SetSelection(wx.NOT_FOUND) |
|
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189 |
|
1244 | 190 |
# Parameter is variable execution order |
191 |
elif name == "executionOrder": |
|
192 |
self.ExecutionOrder.SetValue(value) |
|
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193 |
|
1244 | 194 |
# Refresh preview panel |
814 | 195 |
self.RefreshPreview() |
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196 |
self.Fit() |
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197 |
|
814 | 198 |
def GetValues(self): |
1244 | 199 |
""" |
200 |
Return block parameters defined in dialog |
|
201 |
@return: {parameter_name: parameter_value,...} |
|
202 |
""" |
|
203 |
expression = self.Expression.GetValue() |
|
204 |
values = { |
|
205 |
"class": VARIABLE_CLASSES_DICT_REVERSE[ |
|
206 |
self.Class.GetStringSelection()], |
|
207 |
"expression": expression, |
|
1246 | 208 |
"var_type": self.VariableList.get(expression, (None, None))[1], |
1244 | 209 |
"executionOrder": self.ExecutionOrder.GetValue()} |
210 |
values["width"], values["height"] = self.Element.GetSize() |
|
814 | 211 |
return values |
212 |
||
213 |
def OnOK(self, event): |
|
1244 | 214 |
""" |
215 |
Called when dialog OK button is pressed |
|
216 |
Test if parameters defined are valid |
|
217 |
@param event: wx.Event from OK button |
|
218 |
""" |
|
814 | 219 |
message = None |
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220 |
|
1244 | 221 |
# Test that an expression have been selected or typed by user |
1182 | 222 |
value = self.Expression.GetValue() |
814 | 223 |
if value == "": |
224 |
message = _("At least a variable or an expression must be selected!") |
|
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225 |
|
1244 | 226 |
# Show error message if an error is detected |
814 | 227 |
if message is not None: |
1244 | 228 |
self.ShowErrorMessage(message) |
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229 |
|
814 | 230 |
else: |
1244 | 231 |
# Call BlockPreviewDialog function |
232 |
BlockPreviewDialog.OnOK(self, event) |
|
814 | 233 |
|
234 |
def OnClassChanged(self, event): |
|
1244 | 235 |
""" |
236 |
Called when variable class value changed |
|
237 |
@param event: wx.ComboBoxEvent |
|
238 |
""" |
|
239 |
# Refresh name list box values |
|
814 | 240 |
self.RefreshNameList() |
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241 |
|
814 | 242 |
self.RefreshPreview() |
243 |
event.Skip() |
|
244 |
||
245 |
def OnNameChanged(self, event): |
|
1244 | 246 |
""" |
247 |
Called when name selected in name list box changed |
|
248 |
@param event: wx.ListBoxEvent |
|
249 |
""" |
|
250 |
# Change expression test control value to the value selected in name |
|
251 |
# list box if value selected is valid |
|
252 |
if self.VariableName.GetSelection() != wx.NOT_FOUND: |
|
253 |
self.Expression.ChangeValue(self.VariableName.GetStringSelection()) |
|
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|
254 |
|
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255 |
self.RefreshPreview() |
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256 |
event.Skip() |
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257 |
|
814 | 258 |
def OnExpressionChanged(self, event): |
1244 | 259 |
""" |
260 |
Called when expression text control is changed by user |
|
261 |
@param event: wx.ListBoxEvent |
|
262 |
""" |
|
263 |
# Select the corresponding value in name list box if it exists |
|
1182 | 264 |
self.VariableName.SetSelection( |
1244 | 265 |
self.VariableName.FindString(self.Expression.GetValue())) |
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|
266 |
|
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267 |
self.RefreshPreview() |
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268 |
event.Skip() |
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269 |
|
814 | 270 |
def OnExecutionOrderChanged(self, event): |
1244 | 271 |
""" |
272 |
Called when block execution control value changed |
|
273 |
@param event: wx.SpinEvent |
|
274 |
""" |
|
814 | 275 |
self.RefreshPreview() |
276 |
event.Skip() |
|
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277 |
|
814 | 278 |
def RefreshPreview(self): |
1244 | 279 |
""" |
280 |
Refresh preview panel of graphic element |
|
281 |
Override BlockPreviewDialog function |
|
282 |
""" |
|
283 |
# Get expression value to put in FBD variable element |
|
1182 | 284 |
name = self.Expression.GetValue() |
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285 |
|
1244 | 286 |
# Set graphic element displayed, creating a FBD variable element |
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287 |
self.Element = FBD_Variable(self.Preview, |
1244 | 288 |
VARIABLE_CLASSES_DICT_REVERSE[ |
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289 |
self.Class.GetStringSelection()], |
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290 |
name, |
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291 |
self.VariableList.get(name, ("", ""))[1], |
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292 |
executionOrder=self.ExecutionOrder.GetValue()) |
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293 |
|
1244 | 294 |
# Call BlockPreviewDialog function |
295 |
BlockPreviewDialog.RefreshPreview(self) |