util/FileManagementPanel.py
changeset 787 f49875b9e946
parent 784 a1d970365e41
child 789 b1b1a8f85e2f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/util/FileManagementPanel.py	Fri Jul 06 21:00:43 2012 +0200
@@ -0,0 +1,420 @@
+#!/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):
+        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()
+        
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