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#!/usr/bin/env python
# -*- Mode: Python; py-indent-offset: 4 -*-
# vim: tabstop=4 shiftwidth=4 expandtab
#
# Copyright (C) 2010 Red Hat, Inc., John (J5) Palmieri <johnp@redhat.com>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
# USA
title = "Assistant"
description = """
Demonstrates a sample multistep assistant. Assistants are used to divide
an operation into several simpler sequential steps, and to guide the user
through these steps.
"""
from gi.repository import Gtk, GdkPixbuf
class AssistantApp:
def __init__(self):
self.assistant = Gtk.Assistant()
self.assistant.set_default_size(-1, 300)
self.create_page1()
self.create_page2()
self.create_page3()
self.assistant.connect('cancel', self.on_close_cancel)
self.assistant.connect('close', self.on_close_cancel)
self.assistant.connect('apply', self.on_apply)
self.assistant.connect('prepare', self.on_prepare)
self.assistant.show()
def on_close_cancel(self, assistant):
assistant.destroy()
Gtk.main_quit()
def on_apply(self, assistant):
# apply changes here; this is a fictional example so just do
# nothing here
pass
def on_prepare(self, assistant, page):
current_page = assistant.get_current_page()
n_pages = assistant.get_n_pages()
title = 'Sample assistant (%d of %d)' % (current_page + 1, n_pages)
assistant.set_title(title)
def on_entry_changed(self, widget):
page_number = self.assistant.get_current_page()
current_page = self.assistant.get_nth_page(page_number)
text = widget.get_text()
if text:
self.assistant.set_page_complete(current_page, True)
else:
self.assistant.set_page_complete(current_page, False)
def create_page1(self):
box = Gtk.HBox(homogeneous=False,
spacing=12)
box.set_border_width(12)
label = Gtk.Label(label='You must fill out this entry to continue:')
box.pack_start(label, False, False, 0)
entry = Gtk.Entry()
box.pack_start(entry, True, True, 0)
entry.connect('changed', self.on_entry_changed)
box.show_all()
self.assistant.append_page(box)
self.assistant.set_page_title(box, 'Page 1')
self.assistant.set_page_type(box, Gtk.AssistantPageType.INTRO)
pixbuf = self.assistant.render_icon(Gtk.STOCK_DIALOG_INFO,
Gtk.IconSize.DIALOG,
None)
self.assistant.set_page_header_image(box, pixbuf)
def create_page2(self):
box = Gtk.VBox(homogeneous=False,
spacing=12)
box.set_border_width(12)
checkbutton = Gtk.CheckButton(label='This is optional data, you may continue even if you do not check this')
box.pack_start(checkbutton, False, False, 0)
box.show_all()
self.assistant.append_page(box)
self.assistant.set_page_complete(box, True)
self.assistant.set_page_title(box, 'Page 2')
pixbuf = self.assistant.render_icon(Gtk.STOCK_DIALOG_INFO,
Gtk.IconSize.DIALOG,
None)
self.assistant.set_page_header_image(box, pixbuf)
def create_page3(self):
label = Gtk.Label(label='This is a confirmation page, press "Apply" to apply changes')
label.show()
self.assistant.append_page(label)
self.assistant.set_page_complete(label, True)
self.assistant.set_page_title(label, 'Confirmation')
self.assistant.set_page_type(label, Gtk.AssistantPageType.CONFIRM)
pixbuf = self.assistant.render_icon(Gtk.STOCK_DIALOG_INFO,
Gtk.IconSize.DIALOG,
None)
self.assistant.set_page_header_image(label, pixbuf)
def main(demoapp=None):
app = AssistantApp()
Gtk.main()
if __name__ == '__main__':
main()
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