Fix non-marking as manually forced floating point variable if the value isn't integer
For example, if user in debug variable panel set any floating point
variable to 34.3, then it's not shown as forced (blue color) and user
can't release this enforcement.
If user changes the value to 34.0, then enforcement shows
correctly. This is done because binary representation of floating point
numbers in IDE and runtime can be slightly different (double vs float)
and as a result values aren't equal.
#!/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) 2013: 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 wx
from six.moves import xrange
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 Exception:
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):
new_name = event.GetLabel()
if new_name != "":
old_filepath = self.GetPath(event.GetItem())
new_filepath = os.path.join(os.path.split(old_filepath)[0], new_name)
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!") % new_name,
_("Error"), wx.OK | wx.ICON_ERROR)
message.ShowModal()
message.Destroy()
event.Veto()
else:
event.Skip()
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