#!/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 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 os
import shutil
import wx
from controls import EditorPanel
from utils.BitmapLibrary import GetBitmap
DRIVE, FOLDER, FILE = range(3)
FILTER = _("All files (*.*)|*.*|CSV files (*.csv)|*.csv")
def sort_folder(x, y):
if x[1] == y[1]:
return cmp(x[0], y[0])
elif x[1] != FILE:
return -1
else:
return 1
def splitpath(path):
head, tail = os.path.split(path)
if head == "":
return [tail]
elif tail == "":
return splitpath(head)
return splitpath(head) + [tail]
class FolderTree(wx.Panel):
def __init__(self, parent, folder, filter, editable=True):
wx.Panel.__init__(self, parent, style=wx.TAB_TRAVERSAL)
main_sizer = wx.BoxSizer(wx.VERTICAL)
self.Tree = wx.TreeCtrl(self,
style=wx.TR_HAS_BUTTONS|
wx.TR_SINGLE|
wx.SUNKEN_BORDER|
wx.TR_HIDE_ROOT|
wx.TR_LINES_AT_ROOT|
wx.TR_EDIT_LABELS)
if wx.Platform == '__WXMSW__':
self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.OnTreeItemExpanded, self.Tree)
self.Tree.Bind(wx.EVT_LEFT_DOWN, self.OnTreeLeftDown)
else:
self.Bind(wx.EVT_TREE_ITEM_EXPANDED, self.OnTreeItemExpanded, self.Tree)
self.Bind(wx.EVT_TREE_ITEM_COLLAPSED, self.OnTreeItemCollapsed, self.Tree)
self.Bind(wx.EVT_TREE_BEGIN_LABEL_EDIT, self.OnTreeBeginLabelEdit, self.Tree)
self.Bind(wx.EVT_TREE_END_LABEL_EDIT, self.OnTreeEndLabelEdit, self.Tree)
main_sizer.AddWindow(self.Tree, 1, flag=wx.GROW)
self.Filter = wx.ComboBox(self, style=wx.CB_READONLY)
self.Bind(wx.EVT_COMBOBOX, self.OnFilterChanged, self.Filter)
main_sizer.AddWindow(self.Filter, flag=wx.GROW)
self.SetSizer(main_sizer)
self.Folder = folder
self.Editable = editable
self.TreeImageList = wx.ImageList(16, 16)
self.TreeImageDict = {}
for item_type, bitmap in [(DRIVE, "tree_drive"),
(FOLDER, "tree_folder"),
(FILE, "tree_file")]:
self.TreeImageDict[item_type] = self.TreeImageList.Add(GetBitmap(bitmap))
self.Tree.SetImageList(self.TreeImageList)
self.Filters = {}
filter_parts = filter.split("|")
for idx in xrange(0, len(filter_parts), 2):
if filter_parts[idx + 1] == "*.*":
self.Filters[filter_parts[idx]] = ""
else:
self.Filters[filter_parts[idx]] = filter_parts[idx + 1].replace("*", "")
self.Filter.Append(filter_parts[idx])
if idx == 0:
self.Filter.SetStringSelection(filter_parts[idx])
self.CurrentFilter = self.Filters[self.Filter.GetStringSelection()]
def _GetFolderChildren(self, folderpath, recursive=True):
items = []
if wx.Platform == '__WXMSW__' and folderpath == "/":
for c in xrange(ord('a'), ord('z')):
drive = os.path.join("%s:\\" % chr(c))
if os.path.exists(drive):
items.append((drive, DRIVE, self._GetFolderChildren(drive, False)))
else:
try:
files = os.listdir(folderpath)
except:
return []
for filename in files:
if not filename.startswith("."):
filepath = os.path.join(folderpath, filename)
if os.path.isdir(filepath):
if recursive:
children = len(self._GetFolderChildren(filepath, False))
else:
children = 0
items.append((filename, FOLDER, children))
elif (self.CurrentFilter == "" or
os.path.splitext(filename)[1] == self.CurrentFilter):
items.append((filename, FILE, None))
if recursive:
items.sort(sort_folder)
return items
def GetTreeCtrl(self):
return self.Tree
def RefreshTree(self):
root = self.Tree.GetRootItem()
if not root.IsOk():
root = self.Tree.AddRoot("")
self.GenerateTreeBranch(root, self.Folder)
def GenerateTreeBranch(self, root, folderpath):
item, item_cookie = self.Tree.GetFirstChild(root)
for idx, (filename, item_type, children) in enumerate(self._GetFolderChildren(folderpath)):
if not item.IsOk():
item = self.Tree.AppendItem(root, filename, self.TreeImageDict[item_type])
if wx.Platform != '__WXMSW__':
item, item_cookie = self.Tree.GetNextChild(root, item_cookie)
elif self.Tree.GetItemText(item) != filename:
item = self.Tree.InsertItemBefore(root, idx, filename, self.TreeImageDict[item_type])
filepath = os.path.join(folderpath, filename)
if item_type != FILE:
if self.Tree.IsExpanded(item):
self.GenerateTreeBranch(item, filepath)
elif children > 0:
self.Tree.SetItemHasChildren(item)
item, item_cookie = self.Tree.GetNextChild(root, item_cookie)
to_delete = []
while item.IsOk():
to_delete.append(item)
item, item_cookie = self.Tree.GetNextChild(root, item_cookie)
for item in to_delete:
self.Tree.Delete(item)
def ExpandItem(self, item):
self.GenerateTreeBranch(item, self.GetPath(item))
self.Tree.Expand(item)
def OnTreeItemActivated(self, event):
self.ExpandItem(event.GetItem())
event.Skip()
def OnTreeLeftDown(self, event):
item, flags = self.Tree.HitTest(event.GetPosition())
if flags & wx.TREE_HITTEST_ONITEMBUTTON and not self.Tree.IsExpanded(item):
self.ExpandItem(item)
else:
event.Skip()
def OnTreeItemExpanded(self, event):
item = event.GetItem()
self.GenerateTreeBranch(item, self.GetPath(item))
event.Skip()
def OnTreeItemCollapsed(self, event):
item = event.GetItem()
self.Tree.DeleteChildren(item)
self.Tree.SetItemHasChildren(item)
event.Skip()
def OnTreeBeginLabelEdit(self, event):
item = event.GetItem()
if self.Editable and not self.Tree.ItemHasChildren(item):
event.Skip()
else:
event.Veto()
def OnTreeEndLabelEdit(self, event):
old_filepath = self.GetPath(event.GetItem())
new_filepath = os.path.join(os.path.split(old_filepath)[0], event.GetLabel())
if new_filepath != old_filepath:
if not os.path.exists(new_filepath):
os.rename(old_filepath, new_filepath)
event.Skip()
else:
message = wx.MessageDialog(self,
_("File '%s' already exists!") % event.GetLabel(),
_("Error"), wx.OK|wx.ICON_ERROR)
message.ShowModal()
message.Destroy()
event.Veto()
def OnFilterChanged(self, event):
self.CurrentFilter = self.Filters[self.Filter.GetStringSelection()]
self.RefreshTree()
event.Skip()
def _SelectItem(self, root, parts):
if len(parts) == 0:
self.Tree.SelectItem(root)
else:
item, item_cookie = self.Tree.GetFirstChild(root)
while item.IsOk():
if self.Tree.GetItemText(item) == parts[0]:
if (self.Tree.ItemHasChildren(item) and
not self.Tree.IsExpanded(item)):
self.Tree.Expand(item)
wx.CallAfter(self._SelectItem, item, parts[1:])
else:
self._SelectItem(item, parts[1:])
return
item, item_cookie = self.Tree.GetNextChild(root, item_cookie)
def SetPath(self, path):
if path.startswith(self.Folder):
root = self.Tree.GetRootItem()
if root.IsOk():
relative_path = path.replace(os.path.join(self.Folder, ""), "")
self._SelectItem(root, splitpath(relative_path))
def GetPath(self, item=None):
if item is None:
item = self.Tree.GetSelection()
if item.IsOk():
filepath = self.Tree.GetItemText(item)
parent = self.Tree.GetItemParent(item)
while parent.IsOk() and parent != self.Tree.GetRootItem():
filepath = os.path.join(self.Tree.GetItemText(parent), filepath)
parent = self.Tree.GetItemParent(parent)
return os.path.join(self.Folder, filepath)
return self.Folder
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()