diff options
Diffstat (limited to 'Lib/tkinter/FileDialog.py')
-rwxr-xr-x | Lib/tkinter/FileDialog.py | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/Lib/tkinter/FileDialog.py b/Lib/tkinter/FileDialog.py deleted file mode 100755 index fe98b6f..0000000 --- a/Lib/tkinter/FileDialog.py +++ /dev/null @@ -1,269 +0,0 @@ -"""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) - file = d.go(dir_or_file, pattern, default, key) - if file 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 cancelled. (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.grab_set() - self.how = None - self.master.mainloop() # Exited by self.quit(how) - if key: dialogstates[key] = self.get_filter() - 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 %s?" % `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() |