launcher : move call to ShowSplashScreen and BackgroundInitialization to PreStart()
It doesn't change behaviour of launcher in beremiz, but may have some impact on some customizations.
Some customizations need to squeeze some bitmap folder init in between app creation and ShowSplashScreen
#!/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 os
import shutil
import wx
import wx.lib.buttons
from editors.EditorPanel import EditorPanel
from util.BitmapLibrary import GetBitmap
from controls import FolderTree
FILTER = _("All files (*.*)|*.*|CSV files (*.csv)|*.csv")
class FileManagementPanel(EditorPanel):
def _init_Editor(self, parent):
self.Editor = wx.Panel(parent)
main_sizer = wx.BoxSizer(wx.HORIZONTAL)
left_sizer = wx.BoxSizer(wx.VERTICAL)
main_sizer.AddSizer(left_sizer, 1, border=5, flag=wx.GROW | wx.ALL)
managed_dir_label = wx.StaticText(self.Editor, label=_(self.TagName) + ":")
left_sizer.AddWindow(managed_dir_label, border=5, flag=wx.GROW | wx.BOTTOM)
self.ManagedDir = FolderTree(self.Editor, self.Folder, FILTER)
left_sizer.AddWindow(self.ManagedDir, 1, flag=wx.GROW)
managed_treectrl = self.ManagedDir.GetTreeCtrl()
self.Bind(wx.EVT_TREE_SEL_CHANGED, self.OnTreeItemChanged, managed_treectrl)
if self.EnableDragNDrop:
self.Bind(wx.EVT_TREE_BEGIN_DRAG, self.OnTreeBeginDrag, managed_treectrl)
button_sizer = wx.BoxSizer(wx.VERTICAL)
main_sizer.AddSizer(button_sizer, border=5,
flag=wx.ALL | wx.ALIGN_CENTER_VERTICAL)
for idx, (name, bitmap, help) in enumerate([
("DeleteButton", "remove_element", _("Remove file from left folder")),
("LeftCopyButton", "LeftCopy", _("Copy file from right folder to left")),
("RightCopyButton", "RightCopy", _("Copy file from left folder to right")),
("EditButton", "edit", _("Edit file"))]):
button = wx.lib.buttons.GenBitmapButton(
self.Editor,
bitmap=GetBitmap(bitmap),
size=wx.Size(28, 28), style=wx.NO_BORDER)
button.SetToolTipString(help)
setattr(self, name, button)
if idx > 0:
flag = wx.TOP
else:
flag = 0
self.Bind(wx.EVT_BUTTON, getattr(self, "On" + name), button)
button_sizer.AddWindow(button, border=20, flag=flag)
right_sizer = wx.BoxSizer(wx.VERTICAL)
main_sizer.AddSizer(right_sizer, 1, border=5, flag=wx.GROW | wx.ALL)
if wx.Platform == '__WXMSW__':
system_dir_label = wx.StaticText(self.Editor, label=_("My Computer:"))
else:
system_dir_label = wx.StaticText(self.Editor, label=_("Home Directory:"))
right_sizer.AddWindow(system_dir_label, border=5, flag=wx.GROW | wx.BOTTOM)
self.SystemDir = FolderTree(self.Editor, self.HomeDirectory, FILTER, False)
right_sizer.AddWindow(self.SystemDir, 1, flag=wx.GROW)
system_treectrl = self.SystemDir.GetTreeCtrl()
self.Bind(wx.EVT_TREE_SEL_CHANGED, self.OnTreeItemChanged, system_treectrl)
self.Editor.SetSizer(main_sizer)
def __init__(self, parent, controler, name, folder, enable_dragndrop=False):
self.Folder = os.path.realpath(folder)
self.EnableDragNDrop = enable_dragndrop
if wx.Platform == '__WXMSW__':
self.HomeDirectory = "/"
else:
self.HomeDirectory = os.path.expanduser("~")
EditorPanel.__init__(self, parent, name, None, None)
self.Controler = controler
self.EditableFileExtensions = []
self.EditButton.Hide()
self.SetIcon(GetBitmap("FOLDER"))
def __del__(self):
self.Controler.OnCloseEditor(self)
def GetTitle(self):
return _(self.TagName)
def SetEditableFileExtensions(self, extensions):
self.EditableFileExtensions = extensions
if len(self.EditableFileExtensions) > 0:
self.EditButton.Show()
def RefreshView(self):
self.ManagedDir.RefreshTree()
self.SystemDir.RefreshTree()
self.RefreshButtonsState()
def RefreshButtonsState(self):
managed_filepath = self.ManagedDir.GetPath()
system_filepath = self.SystemDir.GetPath()
self.DeleteButton.Enable(os.path.isfile(managed_filepath))
self.LeftCopyButton.Enable(os.path.isfile(system_filepath))
self.RightCopyButton.Enable(os.path.isfile(managed_filepath))
if len(self.EditableFileExtensions) > 0:
self.EditButton.Enable(
os.path.isfile(managed_filepath) and
os.path.splitext(managed_filepath)[1] in self.EditableFileExtensions)
def OnTreeItemChanged(self, event):
self.RefreshButtonsState()
event.Skip()
def OnDeleteButton(self, event):
filepath = self.ManagedDir.GetPath()
if os.path.isfile(filepath):
_folder, filename = os.path.split(filepath)
dialog = wx.MessageDialog(self,
_("Do you really want to delete the file '%s'?") % filename,
_("Delete File"),
wx.YES_NO | wx.ICON_QUESTION)
remove = dialog.ShowModal() == wx.ID_YES
dialog.Destroy()
if remove:
os.remove(filepath)
self.ManagedDir.RefreshTree()
event.Skip()
def OnEditButton(self, event):
filepath = self.ManagedDir.GetPath()
if os.path.isfile(filepath) and \
os.path.splitext(filepath)[1] in self.EditableFileExtensions:
self.Controler._OpenView(filepath + "::")
event.Skip()
def CopyFile(self, src, dst):
if os.path.isfile(src):
_src_folder, src_filename = os.path.split(src)
if os.path.isfile(dst):
dst_folder, _dst_filename = os.path.split(dst)
else:
dst_folder = dst
dst_filepath = os.path.join(dst_folder, src_filename)
if os.path.isfile(dst_filepath):
dialog = wx.MessageDialog(
self,
_("The file '%s' already exist.\nDo you want to replace it?") % src_filename,
_("Replace File"), wx.YES_NO | wx.ICON_QUESTION)
copy = dialog.ShowModal() == wx.ID_YES
dialog.Destroy()
else:
copy = True
if copy:
shutil.copyfile(src, dst_filepath)
return dst_filepath
return None
def OnLeftCopyButton(self, event):
filepath = self.CopyFile(self.SystemDir.GetPath(), self.ManagedDir.GetPath())
if filepath is not None:
self.ManagedDir.RefreshTree()
self.ManagedDir.SetPath(filepath)
event.Skip()
def OnRightCopyButton(self, event):
filepath = self.CopyFile(self.ManagedDir.GetPath(), self.SystemDir.GetPath())
if filepath is not None:
self.SystemDir.RefreshTree()
self.SystemDir.SetPath(filepath)
event.Skip()
def OnTreeBeginDrag(self, event):
filepath = self.ManagedDir.GetPath()
if os.path.isfile(filepath):
relative_filepath = filepath.replace(os.path.join(self.Folder, ""), "")
data = wx.TextDataObject(str(("'%s'" % relative_filepath, "Constant")))
dragSource = wx.DropSource(self)
dragSource.SetData(data)
dragSource.DoDragDrop()