--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/controls/FolderTree.py Wed Feb 27 22:35:46 2013 +0100
@@ -0,0 +1,258 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
+#based on the plcopen standard.
+#
+#Copyright (C) 2013: 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 wx
+
+from util.BitmapLibrary import GetBitmap
+
+DRIVE, FOLDER, FILE = range(3)
+
+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=None, 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)
+
+ if filter is not None:
+ 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)
+ else:
+ self.Filter = None
+
+ 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 = {}
+ if self.Filter is not None:
+ 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()]
+ else:
+ self.CurrentFilter = ""
+
+ 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 SetFilter(self, filter):
+ self.CurrentFilter = filter
+
+ 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