1 #!/usr/bin/env python

     2 # -*- coding: utf-8 -*-

     3 

     4 #This file is part of Beremiz, a Integrated Development Environment for

     5 #programming IEC 61131-3 automates supporting plcopen standard and CanFestival. 

     6 #

     7 #Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

     8 #

     9 #See COPYING file for copyrights details.

    10 #

    11 #This library is free software; you can redistribute it and/or

    12 #modify it under the terms of the GNU General Public

    13 #License as published by the Free Software Foundation; either

    14 #version 2.1 of the License, or (at your option) any later version.

    15 #

    16 #This library is distributed in the hope that it will be useful,

    17 #but WITHOUT ANY WARRANTY; without even the implied warranty of

    18 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    19 #General Public License for more details.

    20 #

    21 #You should have received a copy of the GNU General Public

    22 #License along with this library; if not, write to the Free Software

    23 #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    24 

    25 import os

    26 import shutil

    27 

    28 import wx

    29 

    30 from controls import EditorPanel

    31 from utils.BitmapLibrary import GetBitmap

    32 

    33 DRIVE, FOLDER, FILE = range(3)

    34 

    35 FILTER = _("All files (*.*)|*.*|CSV files (*.csv)|*.csv")

    36 

    37 def sort_folder(x, y):

    38     if x[1] == y[1]:

    39         return cmp(x[0], y[0])

    40     elif x[1] != FILE:

    41         return -1

    42     else:

    43         return 1

    44 

    45 def splitpath(path):

    46     head, tail = os.path.split(path)

    47     if head == "":

    48         return [tail]

    49     elif tail == "":

    50         return splitpath(head)

    51     return splitpath(head) + [tail]

    52     

    53 class FolderTree(wx.Panel):

    54     

    55     def __init__(self, parent, folder, filter, editable=True):

    56         wx.Panel.__init__(self, parent, style=wx.TAB_TRAVERSAL)

    57         

    58         main_sizer = wx.BoxSizer(wx.VERTICAL)

    59         

    60         self.Tree = wx.TreeCtrl(self, 

    61               style=wx.TR_HAS_BUTTONS|

    62                     wx.TR_SINGLE|

    63                     wx.SUNKEN_BORDER|

    64                     wx.TR_HIDE_ROOT|

    65                     wx.TR_LINES_AT_ROOT|

    66                     wx.TR_EDIT_LABELS)

    67         if wx.Platform == '__WXMSW__':

    68             self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.OnTreeItemExpanded, self.Tree)

    69             self.Tree.Bind(wx.EVT_LEFT_DOWN, self.OnTreeLeftDown)

    70         else:

    71             self.Bind(wx.EVT_TREE_ITEM_EXPANDED, self.OnTreeItemExpanded, self.Tree)

    72         self.Bind(wx.EVT_TREE_ITEM_COLLAPSED, self.OnTreeItemCollapsed, self.Tree)

    73         self.Bind(wx.EVT_TREE_BEGIN_LABEL_EDIT, self.OnTreeBeginLabelEdit, self.Tree)

    74         self.Bind(wx.EVT_TREE_END_LABEL_EDIT, self.OnTreeEndLabelEdit, self.Tree)

    75         main_sizer.AddWindow(self.Tree, 1, flag=wx.GROW)

    76         

    77         self.Filter = wx.ComboBox(self, style=wx.CB_READONLY)

    78         self.Bind(wx.EVT_COMBOBOX, self.OnFilterChanged, self.Filter)

    79         main_sizer.AddWindow(self.Filter, flag=wx.GROW)

    80         

    81         self.SetSizer(main_sizer)

    82         

    83         self.Folder = folder

    84         self.Editable = editable

    85         

    86         self.TreeImageList = wx.ImageList(16, 16)

    87         self.TreeImageDict = {}

    88         for item_type, bitmap in [(DRIVE, "tree_drive"),

    89                                   (FOLDER, "tree_folder"),

    90                                   (FILE, "tree_file")]:

    91             self.TreeImageDict[item_type] = self.TreeImageList.Add(GetBitmap(bitmap))

    92         self.Tree.SetImageList(self.TreeImageList)

    93         

    94         self.Filters = {}

    95         filter_parts = filter.split("|")

    96         for idx in xrange(0, len(filter_parts), 2):

    97             if filter_parts[idx + 1] == "*.*":

    98                 self.Filters[filter_parts[idx]] = ""

    99             else:

   100                 self.Filters[filter_parts[idx]] = filter_parts[idx + 1].replace("*", "")

   101             self.Filter.Append(filter_parts[idx])

   102             if idx == 0:

   103                 self.Filter.SetStringSelection(filter_parts[idx])

   104             

   105         self.CurrentFilter = self.Filters[self.Filter.GetStringSelection()]

   106     

   107     def _GetFolderChildren(self, folderpath, recursive=True):

   108         items = []

   109         if wx.Platform == '__WXMSW__' and folderpath == "/":

   110             for c in xrange(ord('a'), ord('z')):

   111                 drive = os.path.join("%s:\\" % chr(c))

   112                 if os.path.exists(drive):

   113                     items.append((drive, DRIVE, self._GetFolderChildren(drive, False)))

   114         else:

   115             try:

   116                 files = os.listdir(folderpath)

   117             except:

   118                 return []

   119             for filename in files:

   120                 if not filename.startswith("."):

   121                     filepath = os.path.join(folderpath, filename)

   122                     if os.path.isdir(filepath):

   123                         if recursive:

   124                             children = len(self._GetFolderChildren(filepath, False))

   125                         else:

   126                             children = 0

   127                         items.append((filename, FOLDER, children))

   128                     elif (self.CurrentFilter == "" or 

   129                           os.path.splitext(filename)[1] == self.CurrentFilter):

   130                         items.append((filename, FILE, None))

   131         if recursive:

   132             items.sort(sort_folder)

   133         return items

   134     

   135     def GetTreeCtrl(self):

   136         return self.Tree

   137     

   138     def RefreshTree(self):

   139         root = self.Tree.GetRootItem()

   140         if not root.IsOk():

   141             root = self.Tree.AddRoot("")

   142         self.GenerateTreeBranch(root, self.Folder)

   143         

   144     def GenerateTreeBranch(self, root, folderpath):

   145         item, item_cookie = self.Tree.GetFirstChild(root)

   146         for idx, (filename, item_type, children) in enumerate(self._GetFolderChildren(folderpath)):

   147             if not item.IsOk():

   148                 item = self.Tree.AppendItem(root, filename, self.TreeImageDict[item_type])

   149                 if wx.Platform != '__WXMSW__':

   150                     item, item_cookie = self.Tree.GetNextChild(root, item_cookie)

   151             elif self.Tree.GetItemText(item) != filename:

   152                 item = self.Tree.InsertItemBefore(root, idx, filename, self.TreeImageDict[item_type])

   153             filepath = os.path.join(folderpath, filename)

   154             if item_type != FILE:

   155                 if self.Tree.IsExpanded(item):

   156                     self.GenerateTreeBranch(item, filepath)

   157                 elif children > 0:

   158                     self.Tree.SetItemHasChildren(item)

   159             item, item_cookie = self.Tree.GetNextChild(root, item_cookie)

   160         to_delete = []

   161         while item.IsOk():

   162             to_delete.append(item)

   163             item, item_cookie = self.Tree.GetNextChild(root, item_cookie)

   164         for item in to_delete:

   165             self.Tree.Delete(item)

   166 

   167     def ExpandItem(self, item):

   168         self.GenerateTreeBranch(item, self.GetPath(item))

   169         self.Tree.Expand(item)

   170     

   171     def OnTreeItemActivated(self, event):

   172         self.ExpandItem(event.GetItem())

   173         event.Skip()

   174     

   175     def OnTreeLeftDown(self, event):

   176         item, flags = self.Tree.HitTest(event.GetPosition())

   177         if flags & wx.TREE_HITTEST_ONITEMBUTTON and not self.Tree.IsExpanded(item):

   178             self.ExpandItem(item)

   179         else:

   180             event.Skip()

   181     

   182     def OnTreeItemExpanded(self, event):

   183         item = event.GetItem()

   184         self.GenerateTreeBranch(item, self.GetPath(item))

   185         event.Skip()

   186 

   187     def OnTreeItemCollapsed(self, event):

   188         item = event.GetItem()

   189         self.Tree.DeleteChildren(item)

   190         self.Tree.SetItemHasChildren(item)

   191         event.Skip()

   192 

   193     def OnTreeBeginLabelEdit(self, event):

   194         item = event.GetItem()

   195         if self.Editable and not self.Tree.ItemHasChildren(item):

   196             event.Skip()

   197         else:

   198             event.Veto()

   199     

   200     def OnTreeEndLabelEdit(self, event):

   201         event.Veto()

   202     

   203     def OnFilterChanged(self, event):

   204         self.CurrentFilter = self.Filters[self.Filter.GetStringSelection()]

   205         self.RefreshTree()

   206         event.Skip()

   207     

   208     def _SelectItem(self, root, parts):

   209         if len(parts) == 0:

   210             self.Tree.SelectItem(root)

   211         else:

   212             item, item_cookie = self.Tree.GetFirstChild(root)

   213             while item.IsOk():

   214                 if self.Tree.GetItemText(item) == parts[0]:

   215                     if (self.Tree.ItemHasChildren(item) and 

   216                         not self.Tree.IsExpanded(item)):

   217                         self.Tree.Expand(item)

   218                         wx.CallAfter(self._SelectItem, item, parts[1:])

   219                     else:

   220                         self._SelectItem(item, parts[1:])

   221                     return

   222                 item, item_cookie = self.Tree.GetNextChild(root, item_cookie)

   223     

   224     def SetPath(self, path):

   225         if path.startswith(self.Folder):

   226             root = self.Tree.GetRootItem()

   227             if root.IsOk():

   228                 relative_path = path.replace(os.path.join(self.Folder, ""), "")

   229                 self._SelectItem(root, splitpath(relative_path))

   230     

   231     def GetPath(self, item=None):

   232         if item is None:

   233             item = self.Tree.GetSelection()

   234         if item.IsOk():

   235             filepath = self.Tree.GetItemText(item)

   236             parent = self.Tree.GetItemParent(item)

   237             while parent.IsOk() and parent != self.Tree.GetRootItem():

   238                 filepath = os.path.join(self.Tree.GetItemText(parent), filepath)

   239                 parent = self.Tree.GetItemParent(parent)

   240             return os.path.join(self.Folder, filepath)

   241         return self.Folder

   242 

   243 class FileManagementPanel(EditorPanel):

   244     

   245     def _init_Editor(self, parent):

   246         self.Editor = wx.Panel(parent)

   247         

   248         main_sizer = wx.BoxSizer(wx.HORIZONTAL)

   249         

   250         left_sizer = wx.BoxSizer(wx.VERTICAL)

   251         main_sizer.AddSizer(left_sizer, 1, border=5, flag=wx.GROW|wx.ALL)

   252         

   253         managed_dir_label = wx.StaticText(self.Editor, label=self.TagName + ":")

   254         left_sizer.AddWindow(managed_dir_label, border=5, flag=wx.GROW|wx.BOTTOM)

   255         

   256         self.ManagedDir = FolderTree(self.Editor, self.Folder, FILTER)

   257         left_sizer.AddWindow(self.ManagedDir, 1, flag=wx.GROW)

   258         

   259         managed_treectrl = self.ManagedDir.GetTreeCtrl()

   260         self.Bind(wx.EVT_TREE_SEL_CHANGED, self.OnTreeItemChanged, managed_treectrl)

   261         if self.EnableDragNDrop:

   262             self.Bind(wx.EVT_TREE_BEGIN_DRAG, self.OnTreeBeginDrag, managed_treectrl)

   263         

   264         button_sizer = wx.BoxSizer(wx.VERTICAL)

   265         main_sizer.AddSizer(button_sizer, border=5, 

   266               flag=wx.ALL|wx.ALIGN_CENTER_VERTICAL)

   267         

   268         for idx, (name, bitmap, help) in enumerate([

   269                 ("DeleteButton", "remove_element", _("Remove file from left folder")),

   270                 ("LeftCopyButton", "LeftCopy", _("Copy file from right folder to left")),

   271                 ("RightCopyButton", "RightCopy", _("copy file from left folder to right")),

   272                 ("EditButton", "edit", _("Edit file"))]):

   273             button = wx.lib.buttons.GenBitmapButton(self.Editor, 

   274                   bitmap=GetBitmap(bitmap), 

   275                   size=wx.Size(28, 28), style=wx.NO_BORDER)

   276             button.SetToolTipString(help)

   277             setattr(self, name, button)

   278             if idx > 0:

   279                 flag = wx.TOP

   280             else:

   281                 flag = 0

   282             self.Bind(wx.EVT_BUTTON, getattr(self, "On" + name), button)

   283             button_sizer.AddWindow(button, border=20, flag=flag)

   284         

   285         right_sizer = wx.BoxSizer(wx.VERTICAL)

   286         main_sizer.AddSizer(right_sizer, 1, border=5, flag=wx.GROW|wx.ALL)

   287         

   288         if wx.Platform == '__WXMSW__':

   289             system_dir_label = wx.StaticText(self.Editor, label=_("My Computer:"))

   290         else:

   291             system_dir_label = wx.StaticText(self.Editor, label=_("Home Directory:"))

   292         right_sizer.AddWindow(system_dir_label, border=5, flag=wx.GROW|wx.BOTTOM)

   293         

   294         self.SystemDir = FolderTree(self.Editor, self.HomeDirectory, FILTER, False)

   295         right_sizer.AddWindow(self.SystemDir, 1, flag=wx.GROW)

   296         

   297         system_treectrl = self.SystemDir.GetTreeCtrl()

   298         self.Bind(wx.EVT_TREE_SEL_CHANGED, self.OnTreeItemChanged, system_treectrl)

   299         

   300         self.Editor.SetSizer(main_sizer)

   301         

   302     def __init__(self, parent, controler, name, folder, enable_dragndrop=False):

   303         self.Folder = os.path.realpath(folder)

   304         self.EnableDragNDrop = enable_dragndrop

   305         

   306         if wx.Platform == '__WXMSW__':

   307             self.HomeDirectory = "/"

   308         else:

   309             self.HomeDirectory = os.path.expanduser("~")

   310         

   311         EditorPanel.__init__(self, parent, name, None, None)

   312         

   313         self.Controler = controler

   314         

   315         self.EditableFileExtensions = []

   316         self.EditButton.Hide()

   317         

   318         self.SetIcon(GetBitmap("FOLDER"))

   319     

   320     def __del__(self):

   321         self.Controler.OnCloseEditor(self)

   322     

   323     def GetTitle(self):

   324         return self.TagName

   325     

   326     def SetEditableFileExtensions(self, extensions):

   327         self.EditableFileExtensions = extensions

   328         if len(self.EditableFileExtensions) > 0:

   329             self.EditButton.Show()

   330     

   331     def RefreshView(self):

   332         self.ManagedDir.RefreshTree()

   333         self.SystemDir.RefreshTree()

   334         self.RefreshButtonsState()

   335     

   336     def RefreshButtonsState(self):

   337         managed_filepath = self.ManagedDir.GetPath()

   338         system_filepath = self.SystemDir.GetPath()

   339         

   340         self.DeleteButton.Enable(os.path.isfile(managed_filepath))

   341         self.LeftCopyButton.Enable(os.path.isfile(system_filepath))

   342         self.RightCopyButton.Enable(os.path.isfile(managed_filepath))

   343         if len(self.EditableFileExtensions) > 0:

   344             self.EditButton.Enable(

   345                 os.path.isfile(managed_filepath) and

   346                 os.path.splitext(managed_filepath)[1] in self.EditableFileExtensions)

   347     

   348     def OnTreeItemChanged(self, event):

   349         self.RefreshButtonsState()

   350         event.Skip()

   351         

   352     def OnDeleteButton(self, event):

   353         filepath = self.ManagedDir.GetPath()

   354         if os.path.isfile(filepath):

   355             folder, filename = os.path.split(filepath)

   356             

   357             dialog = wx.MessageDialog(self, 

   358                   _("Do you really want to delete the file '%s'?") % filename, 

   359                   _("Delete File"), wx.YES_NO|wx.ICON_QUESTION)

   360             remove = dialog.ShowModal() == wx.ID_YES

   361             dialog.Destroy()

   362             

   363             if remove:

   364                 os.remove(filepath)

   365                 self.ManagedDir.RefreshTree()

   366         event.Skip()

   367 

   368     def OnEditButton(self, event):

   369         filepath = self.ManagedDir.GetPath()

   370         if (os.path.isfile(filepath) and 

   371             os.path.splitext(filepath)[1] in self.EditableFileExtensions):

   372             self.Controler._OpenView(filepath)

   373         event.Skip()

   374         

   375     def CopyFile(self, src, dst):

   376         if os.path.isfile(src):

   377             src_folder, src_filename = os.path.split(src)

   378             if os.path.isfile(dst):

   379                 dst_folder, dst_filename = os.path.split(dst)

   380             else:

   381                 dst_folder = dst

   382             

   383             dst_filepath = os.path.join(dst_folder, src_filename)

   384             if os.path.isfile(dst_filepath):

   385                 dialog = wx.MessageDialog(self, 

   386                       _("The file '%s' already exist.\nDo you want to replace it?") % src_filename, 

   387                       _("Replace File"), wx.YES_NO|wx.ICON_QUESTION)

   388                 copy = dialog.ShowModal() == wx.ID_YES

   389                 dialog.Destroy()

   390             else:

   391                 copy = True

   392                 

   393             if copy:

   394                 shutil.copyfile(src, dst_filepath)

   395                 return dst_filepath

   396         return None

   397 

   398     def OnLeftCopyButton(self, event):

   399         filepath = self.CopyFile(self.SystemDir.GetPath(), self.ManagedDir.GetPath())

   400         if filepath is not None:

   401             self.ManagedDir.RefreshTree()

   402             self.ManagedDir.SetPath(filepath)

   403         event.Skip()

   404 

   405     def OnRightCopyButton(self, event):

   406         filepath = self.CopyFile(self.ManagedDir.GetPath(), self.SystemDir.GetPath())

   407         if filepath is not None:

   408             self.SystemDir.RefreshTree()

   409             self.SystemDir.SetPath(filepath)

   410         event.Skip()

   411     

   412     def OnTreeBeginDrag(self, event):

   413         filepath = self.ManagedDir.GetPath()

   414         if os.path.isfile(filepath):

   415             relative_filepath = filepath.replace(os.path.join(self.Folder, ""), "")

   416             data = wx.TextDataObject(str(("'%s'" % relative_filepath, "Constant")))

   417             dragSource = wx.DropSource(self)

   418             dragSource.SetData(data)

   419             dragSource.DoDragDrop()

   420