beremiz

Load images for EtherCAT extension

2018-08-01, Andrey Skvortsov
5cb9ef5351cc
Load images for EtherCAT extension

Fixes following backtrace:

Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/wx-3.0-gtk3/wx/_core.py", line 16765, in
lambda event: event.callable(*event.args, **event.kw) )
File "/home/developer/WorkData/PLC/beremiz/beremiz/BeremizIDE.py", line 1074, in AddConfNode
self._Refresh(TITLE, FILEMENU, PROJECTTREE)
File "/home/developer/WorkData/PLC/beremiz/beremiz/IDEFrame.py", line 917, in _Refresh
self.RefreshFunctions[element]()
File "/home/developer/WorkData/PLC/beremiz/beremiz/IDEFrame.py", line 1526, in RefreshProjectTree
self.GenerateProjectTreeBranch(root, infos)
File "/home/developer/WorkData/PLC/beremiz/beremiz/IDEFrame.py", line 1565, in GenerateProjectTreeBranch
self.GenerateProjectTreeBranch(item, values)
File "/home/developer/WorkData/PLC/beremiz/beremiz/IDEFrame.py", line 1554, in GenerateProjectTreeBranch
self.TreeImageDict[icon_name] = self.TreeImageList.Add(GetBitmap(icon_name))
File "/usr/lib/python2.7/dist-packages/wx-3.0-gtk3/wx/_gdi.py", line 6735, in Add
return _gdi_.ImageList_Add(*args, **kwargs)
ValueError: invalid null reference in method 'ImageList_Add', expected argument 2 of type 'wxBitmap const &
#!/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.
from __future__ import absolute_import
import wx
from controls.CustomToolTip import CustomToolTip, TOOLTIP_WAIT_PERIOD
# -------------------------------------------------------------------------------
# Tool Tip Producer class
# -------------------------------------------------------------------------------
class ToolTipProducer(object):
"""
Class that implements an element that generate Tool Tip
"""
def __init__(self, parent):
"""
Constructor
@param parent: Parent Viewer
"""
self.Parent = parent
self.ToolTip = None
self.ToolTipPos = None
# Timer for firing Tool tip display
self.ToolTipTimer = wx.Timer(self.Parent, -1)
self.Parent.Bind(wx.EVT_TIMER,
self.OnToolTipTimer,
self.ToolTipTimer)
def __del__(self):
"""
Destructor
"""
self.DestroyToolTip()
def OnToolTipTimer(self, event):
"""
Callback for Tool Tip firing timer Event
@param event: Tool tip text
"""
# Get Tool Tip text
value = self.GetToolTipValue()
if value is not None and self.ToolTipPos is not None:
# Create Tool Tip
self.ToolTip = CustomToolTip(self.Parent, value)
self.ToolTip.SetToolTipPosition(self.ToolTipPos)
self.ToolTip.Show()
def GetToolTipValue(self):
"""
Return tool tip text
Have to be overridden by inherited classes
@return: Tool tip text (None if not overridden)
"""
return None
def DisplayToolTip(self, pos):
"""
Display Tool tip
@param pos: Tool tip position
"""
# Destroy current displayed Tool tip
self.DestroyToolTip()
# Save Tool Tip position
self.ToolTipPos = pos
# Start Tool tip firing timer
self.ToolTipTimer.Start(
int(TOOLTIP_WAIT_PERIOD * 1000),
oneShot=True)
def SetToolTipText(self, text):
"""
Set current Tool tip text
@param text: Tool tip Text
"""
if self.ToolTip is not None:
self.ToolTip.SetTip(text)
def DestroyToolTip(self):
"""
Destroy current displayed Tool Tip
"""
# Stop Tool tip firing timer
self.ToolTipTimer.Stop()
self.ToolTipPos = None
# Destroy Tool Tip
if self.ToolTip is not None:
self.ToolTip.Destroy()
self.ToolTip = None