#
# FILE: DirBrowser.py
#
# DESCRIPTION:
# This file provides a generic Directory browser selection widget.
#
# AUTHOR: MontaVista Software, Inc. <source@mvista.com>
#
# Copyright 2001 MontaVista Software Inc.
#
# 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
# NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# 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.,
# 675 Mass Ave, Cambridge, MA 02139, USA.
#
import os
import Tkinter
import Pmw
class DirBrowserDialog(Pmw.MegaToplevel):
def __init__(self, parent = None, **kw):
cwd = os.getcwd()
# Define the megawidget options.
INITOPT = Pmw.INITOPT
optiondefs = (
('path', cwd, None),
('hidedotfiles', 1, INITOPT),
('label', None, INITOPT),
#('labelmargin', 0, INITOPT),
#('labelpos', None, INITOPT),
('borderx', 20, INITOPT),
('bordery', 20, INITOPT),
)
self.defineoptions(kw, optiondefs)
# Initialise the base class (after defining the options).
Pmw.MegaToplevel.__init__(self, parent)
interior = self.interior()
self.childframe = self.createcomponent('childframe', (), None,
Tkinter.Frame,
(interior,),
borderwidth = 1,
relief = 'raised',
)
self.childframe.pack(expand = 1,
fill = 'both',
)
self.labelframe = self.createcomponent('labelframe', (), None,
Tkinter.Frame,
(self.childframe,),
borderwidth = 2,
relief = 'groove',
)
self.labelframe.pack(padx = 10, pady = 10, expand = 1, fill = 'both')
if self['label']:
self.label = self.createcomponent('label', (), None,
Tkinter.Label,
(self.childframe,),
text = self['label'],
)
self.label.place(x = (10 + self['borderx']), y = 10, anchor = 'w')
self.workframe = self.createcomponent('workframe', (), None,
Tkinter.Frame,
(self.labelframe,),
#borderwidth = 2,
#relief = 'groove',
)
self.workframe.pack(padx = self['borderx'],
pady = self['bordery'],
expand = 1,
fill = 'both',
)
self.buttonframe = self.createcomponent('buttonframe', (), None,
Tkinter.Frame,
(interior,),
borderwidth = 1,
relief = 'raised',
)
self.buttonframe.pack(expand = 0,
fill = 'x',
)
self.optbox = self.createcomponent('optbox', (), None,
Pmw.OptionMenu,
(self.workframe,),
command = self.setpath,
)
self.optbox.bind('<Configure>', self._setMinimumSize)
self.listbox = self.createcomponent('listbox', (), None,
Pmw.ScrolledListBox,
(self.workframe,),
dblclickcommand = self._select,
)
path = self['path']
self.entry = self.createcomponent('entryfield', (), None,
Pmw.EntryField,
(self.workframe,),
value = path,
command = self.enteredpath,
labelpos = 'nw',
label_text = 'Current Path:',
)
#self.createlabel(self.workframe, childCols = 1, childRows = 3)
self.buttonbox = self.createcomponent('buttonbox', (), None,
Pmw.ButtonBox,
(self.buttonframe,),
)
self.buttonbox.add('OK', text = 'OK',
command = self.okbutton)
self.buttonbox.add('Cancel', text = 'Cancel',
command = self.cancelbutton)
self.buttonbox.add('New Directory', text = 'New Directory',
command = self.newdirbutton)
self.buttonbox.alignbuttons()
self.buttonbox.pack(expand = 1, fill = 'x')
self.optbox.grid(row = 2, column = 2, sticky = 'ew')
self.listbox.grid(row = 3, column = 2, sticky = 'news')
self.entry.grid(row = 5, column = 2, sticky = 'ew')
self.workframe.grid_rowconfigure(3, weight = 1)
self.workframe.grid_rowconfigure(4, minsize = 20)
self.workframe.grid_columnconfigure(2, weight = 1)
self.setpath(self['path'])
# Check keywords and initialise options.
self.initialiseoptions()
def setpath(self, path):
path = os.path.abspath(os.path.expanduser(path))
if os.path.isfile(path):
path = os.path.dirname(path)
dirlist = []
hidedotfiles = self['hidedotfiles']
try:
posix = (os.name == 'posix')
for entry in os.listdir(path):
entryPath = path + '/' + entry
if hidedotfiles and entry[0] == '.':
# skip dot files if desired
continue
if not os.path.isdir(entryPath):
# skip files
continue
if not os.access(entryPath, os.R_OK | os.X_OK):
# skip directories we can't enter any way
continue
dirlist.append(entry)
except:
self.entry.setentry(self['path'])
return
self.entry.setentry(path)
self['path'] = path
dirlist.sort()
if path != '/':
dirlist.insert(0, '..')
self.listbox.setlist(dirlist)
pathlist = []
while path != '/':
pathlist.append(path)
path = os.path.dirname(path)
pathlist.append('/')
self.optbox.setitems(pathlist, 0)
def _setMinimumSize(self, event):
# If the optionmenu changes width, make sure it does not
# shrink later.
owidth = self.optbox.winfo_width()
self.workframe.grid_columnconfigure(2, minsize = owidth)
def _select(self):
sel = self.listbox.getcurselection()
if self['path'] == '/':
self['path'] = ''
if len(sel) > 0:
if sel[0] == '..':
self.setpath(os.path.dirname(self['path']))
else:
self.setpath(self['path'] + '/' + sel[0])
def getcurpath(self):
return self['path']
def enteredpath(self):
self.setpath(self.entry.get())
def okbutton(self):
self.deactivate(self['path'])
def cancelbutton(self):
self.deactivate(None)
def newdirbutton(self):
CreateDirectoryPopup(self.interior(), self['path'])
self.setpath(self['path'])
class CreateDirectoryPopup:
def __init__(self, parent, path):
self.path = path
self.parent = parent
self.newdirpopup = Pmw.PromptDialog(parent,
buttons = ('OK', 'Cancel'),
defaultbutton = 'OK',
title = 'New Directory',
entryfield_labelpos = 'nw',
label_text = 'Enter new directory name for:\n%s'%self.path,
command = self._buttonpress
)
self.newdirpopup.activate()
def _buttonpress(self, button):
if button == 'OK':
newdirname = self.newdirpopup.get()
dirlist = os.listdir(self.path)
if newdirname in dirlist:
ErrorPopup(self.parent,
'Error: "%s", already exists as a file or directory.'%newdirname)
else:
try:
os.mkdir(self.path + '/' + newdirname)
except:
ErrorPopup(self.parent,
'Error: Could not create directory: "%s"'%newdirname)
else:
self.newdirpopup.deactivate()
else:
self.newdirpopup.deactivate()
def ErrorPopup(parent, message):
error = Pmw.MessageDialog(parent, title = 'Error',
message_text = message,
defaultbutton = 0,
)
error.activate()
if __name__ == '__main__':
rootWin = Tkinter.Tk()
Pmw.initialise()
rootWin.title('Directory Browser Dialog Demo')
def buildBrowser():
# Create the hierarchical directory browser widget
dirBrowserDialog = DirBrowserDialog(rootWin,
#labelpos = 'nw',
label = 'Select a directory',
title = 'Directory Selector',
#path = '~',
#hidedotfiles = 0,
)
dir = dirBrowserDialog.activate()
print 'Selected Directory:', dir
dirButton = Tkinter.Button(rootWin, text="Browser", command=buildBrowser)
dirButton.pack(side = 'left', padx = 10, pady = 10)
exitButton = Tkinter.Button(rootWin, text="Quit", command=rootWin.quit)
exitButton.pack(side = 'left', padx = 10, pady = 10)
rootWin.mainloop()
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