Tkinter renaming reversal: move modules back in their place.
diff --git a/Lib/lib-tk/FileDialog.py b/Lib/lib-tk/FileDialog.py
new file mode 100644
index 0000000..b08d3a8
--- /dev/null
+++ b/Lib/lib-tk/FileDialog.py
@@ -0,0 +1,274 @@
+"""File selection dialog classes.
+
+Classes:
+
+- FileDialog
+- LoadFileDialog
+- SaveFileDialog
+
+"""
+
+from Tkinter import *
+from Dialog import Dialog
+
+import os
+import fnmatch
+
+
+dialogstates = {}
+
+
+class FileDialog:
+
+ """Standard file selection dialog -- no checks on selected file.
+
+ Usage:
+
+ d = FileDialog(master)
+ fname = d.go(dir_or_file, pattern, default, key)
+ if fname is None: ...canceled...
+ else: ...open file...
+
+ All arguments to go() are optional.
+
+ The 'key' argument specifies a key in the global dictionary
+ 'dialogstates', which keeps track of the values for the directory
+ and pattern arguments, overriding the values passed in (it does
+ not keep track of the default argument!). If no key is specified,
+ the dialog keeps no memory of previous state. Note that memory is
+ kept even when the dialog is canceled. (All this emulates the
+ behavior of the Macintosh file selection dialogs.)
+
+ """
+
+ title = "File Selection Dialog"
+
+ def __init__(self, master, title=None):
+ if title is None: title = self.title
+ self.master = master
+ self.directory = None
+
+ self.top = Toplevel(master)
+ self.top.title(title)
+ self.top.iconname(title)
+
+ self.botframe = Frame(self.top)
+ self.botframe.pack(side=BOTTOM, fill=X)
+
+ self.selection = Entry(self.top)
+ self.selection.pack(side=BOTTOM, fill=X)
+ self.selection.bind('<Return>', self.ok_event)
+
+ self.filter = Entry(self.top)
+ self.filter.pack(side=TOP, fill=X)
+ self.filter.bind('<Return>', self.filter_command)
+
+ self.midframe = Frame(self.top)
+ self.midframe.pack(expand=YES, fill=BOTH)
+
+ self.filesbar = Scrollbar(self.midframe)
+ self.filesbar.pack(side=RIGHT, fill=Y)
+ self.files = Listbox(self.midframe, exportselection=0,
+ yscrollcommand=(self.filesbar, 'set'))
+ self.files.pack(side=RIGHT, expand=YES, fill=BOTH)
+ btags = self.files.bindtags()
+ self.files.bindtags(btags[1:] + btags[:1])
+ self.files.bind('<ButtonRelease-1>', self.files_select_event)
+ self.files.bind('<Double-ButtonRelease-1>', self.files_double_event)
+ self.filesbar.config(command=(self.files, 'yview'))
+
+ self.dirsbar = Scrollbar(self.midframe)
+ self.dirsbar.pack(side=LEFT, fill=Y)
+ self.dirs = Listbox(self.midframe, exportselection=0,
+ yscrollcommand=(self.dirsbar, 'set'))
+ self.dirs.pack(side=LEFT, expand=YES, fill=BOTH)
+ self.dirsbar.config(command=(self.dirs, 'yview'))
+ btags = self.dirs.bindtags()
+ self.dirs.bindtags(btags[1:] + btags[:1])
+ self.dirs.bind('<ButtonRelease-1>', self.dirs_select_event)
+ self.dirs.bind('<Double-ButtonRelease-1>', self.dirs_double_event)
+
+ self.ok_button = Button(self.botframe,
+ text="OK",
+ command=self.ok_command)
+ self.ok_button.pack(side=LEFT)
+ self.filter_button = Button(self.botframe,
+ text="Filter",
+ command=self.filter_command)
+ self.filter_button.pack(side=LEFT, expand=YES)
+ self.cancel_button = Button(self.botframe,
+ text="Cancel",
+ command=self.cancel_command)
+ self.cancel_button.pack(side=RIGHT)
+
+ self.top.protocol('WM_DELETE_WINDOW', self.cancel_command)
+ # XXX Are the following okay for a general audience?
+ self.top.bind('<Alt-w>', self.cancel_command)
+ self.top.bind('<Alt-W>', self.cancel_command)
+
+ def go(self, dir_or_file=os.curdir, pattern="*", default="", key=None):
+ if key and dialogstates.has_key(key):
+ self.directory, pattern = dialogstates[key]
+ else:
+ dir_or_file = os.path.expanduser(dir_or_file)
+ if os.path.isdir(dir_or_file):
+ self.directory = dir_or_file
+ else:
+ self.directory, default = os.path.split(dir_or_file)
+ self.set_filter(self.directory, pattern)
+ self.set_selection(default)
+ self.filter_command()
+ self.selection.focus_set()
+ self.top.wait_visibility() # window needs to be visible for the grab
+ self.top.grab_set()
+ self.how = None
+ self.master.mainloop() # Exited by self.quit(how)
+ if key:
+ directory, pattern = self.get_filter()
+ if self.how:
+ directory = os.path.dirname(self.how)
+ dialogstates[key] = directory, pattern
+ self.top.destroy()
+ return self.how
+
+ def quit(self, how=None):
+ self.how = how
+ self.master.quit() # Exit mainloop()
+
+ def dirs_double_event(self, event):
+ self.filter_command()
+
+ def dirs_select_event(self, event):
+ dir, pat = self.get_filter()
+ subdir = self.dirs.get('active')
+ dir = os.path.normpath(os.path.join(self.directory, subdir))
+ self.set_filter(dir, pat)
+
+ def files_double_event(self, event):
+ self.ok_command()
+
+ def files_select_event(self, event):
+ file = self.files.get('active')
+ self.set_selection(file)
+
+ def ok_event(self, event):
+ self.ok_command()
+
+ def ok_command(self):
+ self.quit(self.get_selection())
+
+ def filter_command(self, event=None):
+ dir, pat = self.get_filter()
+ try:
+ names = os.listdir(dir)
+ except os.error:
+ self.master.bell()
+ return
+ self.directory = dir
+ self.set_filter(dir, pat)
+ names.sort()
+ subdirs = [os.pardir]
+ matchingfiles = []
+ for name in names:
+ fullname = os.path.join(dir, name)
+ if os.path.isdir(fullname):
+ subdirs.append(name)
+ elif fnmatch.fnmatch(name, pat):
+ matchingfiles.append(name)
+ self.dirs.delete(0, END)
+ for name in subdirs:
+ self.dirs.insert(END, name)
+ self.files.delete(0, END)
+ for name in matchingfiles:
+ self.files.insert(END, name)
+ head, tail = os.path.split(self.get_selection())
+ if tail == os.curdir: tail = ''
+ self.set_selection(tail)
+
+ def get_filter(self):
+ filter = self.filter.get()
+ filter = os.path.expanduser(filter)
+ if filter[-1:] == os.sep or os.path.isdir(filter):
+ filter = os.path.join(filter, "*")
+ return os.path.split(filter)
+
+ def get_selection(self):
+ file = self.selection.get()
+ file = os.path.expanduser(file)
+ return file
+
+ def cancel_command(self, event=None):
+ self.quit()
+
+ def set_filter(self, dir, pat):
+ if not os.path.isabs(dir):
+ try:
+ pwd = os.getcwd()
+ except os.error:
+ pwd = None
+ if pwd:
+ dir = os.path.join(pwd, dir)
+ dir = os.path.normpath(dir)
+ self.filter.delete(0, END)
+ self.filter.insert(END, os.path.join(dir or os.curdir, pat or "*"))
+
+ def set_selection(self, file):
+ self.selection.delete(0, END)
+ self.selection.insert(END, os.path.join(self.directory, file))
+
+
+class LoadFileDialog(FileDialog):
+
+ """File selection dialog which checks that the file exists."""
+
+ title = "Load File Selection Dialog"
+
+ def ok_command(self):
+ file = self.get_selection()
+ if not os.path.isfile(file):
+ self.master.bell()
+ else:
+ self.quit(file)
+
+
+class SaveFileDialog(FileDialog):
+
+ """File selection dialog which checks that the file may be created."""
+
+ title = "Save File Selection Dialog"
+
+ def ok_command(self):
+ file = self.get_selection()
+ if os.path.exists(file):
+ if os.path.isdir(file):
+ self.master.bell()
+ return
+ d = Dialog(self.top,
+ title="Overwrite Existing File Question",
+ text="Overwrite existing file %r?" % (file,),
+ bitmap='questhead',
+ default=1,
+ strings=("Yes", "Cancel"))
+ if d.num != 0:
+ return
+ else:
+ head, tail = os.path.split(file)
+ if not os.path.isdir(head):
+ self.master.bell()
+ return
+ self.quit(file)
+
+
+def test():
+ """Simple test program."""
+ root = Tk()
+ root.withdraw()
+ fd = LoadFileDialog(root)
+ loadfile = fd.go(key="test")
+ fd = SaveFileDialog(root)
+ savefile = fd.go(key="test")
+ print loadfile, savefile
+
+
+if __name__ == '__main__':
+ test()