From ac4f8d3198445af17a0032cda97aab5c5802e482 Mon Sep 17 00:00:00 2001 From: Guido van Rossum Date: Tue, 29 Aug 1995 23:46:35 +0000 Subject: [PATCH] Initial revision --- Lib/lib-tk/FileDialog.py | 211 ++++++++++++++++++++++++++++++++++++++ Lib/tkinter/FileDialog.py | 211 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 422 insertions(+) create mode 100644 Lib/lib-tk/FileDialog.py create mode 100755 Lib/tkinter/FileDialog.py diff --git a/Lib/lib-tk/FileDialog.py b/Lib/lib-tk/FileDialog.py new file mode 100644 index 00000000000..fb2ccd7c433 --- /dev/null +++ b/Lib/lib-tk/FileDialog.py @@ -0,0 +1,211 @@ +"""File selection dialog classes. + +Classes: + +- FileDialog +- LoadFileDialog +- SaveFileDialog + +XXX Bugs: + +- The fields are not labeled +- Default doesn't have absolute pathname +- Each FileDialog instance can be used only once +- There is no easy way for an application to add widgets of its own + +""" + +from Tkinter import * +from Dialog import Dialog + +ANCHOR = 'anchor' + +import os +import fnmatch + + +class FileDialog: + + """Standard file selection dialog -- no checks on selected file. + + Usage: + + d = FileDialog(master) + file = d.go(directory, pattern, default) + if file is None: ...canceled... + + """ + + title = "File Selection Dialog" + + def __init__(self, master): + self.master = master + self.directory = None + self.top = Toplevel(master) + self.top.title(self.title) + self.filter = Entry(self.top) + self.filter.pack(fill=X) + self.filter.bind('', self.filter_command) + self.midframe = Frame(self.top) + self.midframe.pack(expand=YES, fill=BOTH) + self.dirs = Listbox(self.midframe) + self.dirs.pack(side=LEFT, expand=YES, fill=BOTH) + self.dirs.bind('', self.dirs_select_event) + self.dirs.bind('', self.dirs_double_event) + self.files = Listbox(self.midframe) + self.files.pack(side=RIGHT, expand=YES, fill=BOTH) + self.files.bind('', self.files_select_event) + self.files.bind('', self.files_double_event) + self.selection = Entry(self.top) + self.selection.pack(fill=X) + self.selection.bind('', self.ok_event) + self.botframe = Frame(self.top) + self.botframe.pack(fill=X) + 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) + + def go(self, directory=os.curdir, pattern="*", default=""): + self.directory = directory + self.set_filter(directory, pattern) + self.set_selection(default) + self.selection.focus_set() + self.filter_command() + self.top.grab_set() + try: + self.master.mainloop() + except SystemExit, how: + self.top.destroy() + return how + + def dirs_double_event(self, event): +## self.dirs_select_event(event) + self.filter_command() + + def dirs_select_event(self, event): + dir, pat = self.get_filter() + subdir = self.dirs.get(ANCHOR) + dir = os.path.normpath(os.path.join(self.directory, subdir)) + self.set_filter(dir, pat) + + def files_double_event(self, event): +## self.files_select_event(event) +## self.master.update_idletasks() + self.ok_command() + + def files_select_event(self, event): + file = self.files.get(ANCHOR) + self.set_selection(file) + + def ok_event(self, event): + self.ok_command() + + def ok_command(self): + raise SystemExit, self.selection.get() + + 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) + + def get_filter(self): + filter = self.filter.get() + if filter[-1:] == os.sep: + filter = filter + "*" + return os.path.split(filter) + + def cancel_command(self): + raise SystemExit, None + + def set_filter(self, dir, pat): + 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.selection.get() + if not os.path.isfile(file): + self.master.bell() + else: + raise SystemExit, 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.selection.get() + if os.path.exists(file): + if os.path.isdir(file): + self.master.bell() + return + d = Dialog(self.master, + title="Overwrite Existing File Question", + text="Overwrite existing file %s?" % `file`, + bitmap='questhead', + default=0, + strings=("Yes", "Cancel")) + if d.num != 0: file = None + else: + head, tail = os.path.split(file) + if not os.path.isdir(head): + self.master.bell() + return + raise SystemExit, file + + +def test(): + """Simple test program.""" + root = Tk() + root.withdraw() + fd = LoadFileDialog(root) + loadfile = fd.go() + fd = SaveFileDialog(root) + savefile = fd.go() + print loadfile, savefile + + +if __name__ == '__main__': + test() diff --git a/Lib/tkinter/FileDialog.py b/Lib/tkinter/FileDialog.py new file mode 100755 index 00000000000..fb2ccd7c433 --- /dev/null +++ b/Lib/tkinter/FileDialog.py @@ -0,0 +1,211 @@ +"""File selection dialog classes. + +Classes: + +- FileDialog +- LoadFileDialog +- SaveFileDialog + +XXX Bugs: + +- The fields are not labeled +- Default doesn't have absolute pathname +- Each FileDialog instance can be used only once +- There is no easy way for an application to add widgets of its own + +""" + +from Tkinter import * +from Dialog import Dialog + +ANCHOR = 'anchor' + +import os +import fnmatch + + +class FileDialog: + + """Standard file selection dialog -- no checks on selected file. + + Usage: + + d = FileDialog(master) + file = d.go(directory, pattern, default) + if file is None: ...canceled... + + """ + + title = "File Selection Dialog" + + def __init__(self, master): + self.master = master + self.directory = None + self.top = Toplevel(master) + self.top.title(self.title) + self.filter = Entry(self.top) + self.filter.pack(fill=X) + self.filter.bind('', self.filter_command) + self.midframe = Frame(self.top) + self.midframe.pack(expand=YES, fill=BOTH) + self.dirs = Listbox(self.midframe) + self.dirs.pack(side=LEFT, expand=YES, fill=BOTH) + self.dirs.bind('', self.dirs_select_event) + self.dirs.bind('', self.dirs_double_event) + self.files = Listbox(self.midframe) + self.files.pack(side=RIGHT, expand=YES, fill=BOTH) + self.files.bind('', self.files_select_event) + self.files.bind('', self.files_double_event) + self.selection = Entry(self.top) + self.selection.pack(fill=X) + self.selection.bind('', self.ok_event) + self.botframe = Frame(self.top) + self.botframe.pack(fill=X) + 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) + + def go(self, directory=os.curdir, pattern="*", default=""): + self.directory = directory + self.set_filter(directory, pattern) + self.set_selection(default) + self.selection.focus_set() + self.filter_command() + self.top.grab_set() + try: + self.master.mainloop() + except SystemExit, how: + self.top.destroy() + return how + + def dirs_double_event(self, event): +## self.dirs_select_event(event) + self.filter_command() + + def dirs_select_event(self, event): + dir, pat = self.get_filter() + subdir = self.dirs.get(ANCHOR) + dir = os.path.normpath(os.path.join(self.directory, subdir)) + self.set_filter(dir, pat) + + def files_double_event(self, event): +## self.files_select_event(event) +## self.master.update_idletasks() + self.ok_command() + + def files_select_event(self, event): + file = self.files.get(ANCHOR) + self.set_selection(file) + + def ok_event(self, event): + self.ok_command() + + def ok_command(self): + raise SystemExit, self.selection.get() + + 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) + + def get_filter(self): + filter = self.filter.get() + if filter[-1:] == os.sep: + filter = filter + "*" + return os.path.split(filter) + + def cancel_command(self): + raise SystemExit, None + + def set_filter(self, dir, pat): + 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.selection.get() + if not os.path.isfile(file): + self.master.bell() + else: + raise SystemExit, 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.selection.get() + if os.path.exists(file): + if os.path.isdir(file): + self.master.bell() + return + d = Dialog(self.master, + title="Overwrite Existing File Question", + text="Overwrite existing file %s?" % `file`, + bitmap='questhead', + default=0, + strings=("Yes", "Cancel")) + if d.num != 0: file = None + else: + head, tail = os.path.split(file) + if not os.path.isdir(head): + self.master.bell() + return + raise SystemExit, file + + +def test(): + """Simple test program.""" + root = Tk() + root.withdraw() + fd = LoadFileDialog(root) + loadfile = fd.go() + fd = SaveFileDialog(root) + savefile = fd.go() + print loadfile, savefile + + +if __name__ == '__main__': + test()