src/lib/dialogs.py

   1 """ dialogs.py
   2
   3 Module for displaying dialogs related to errors, warnings, notifications,
   4 etc...
   5 """
   6 __copyright__ = "Copyright (c) 2002-2005 Free Software Foundation, Inc."
   7 __license__ = """
   8 Straw is free software; you can redistribute it and/or modify it under the
   9 terms of the GNU General Public License as published by the Free Software
  10 Foundation; either version 2 of the License, or (at your option) any later
  11 version.
  12
  13 Straw is distributed in the hope that it will be useful, but WITHOUT ANY
  14 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  15 A PARTICULAR PURPOSE. See the GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License along with
  18 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  19 Place - Suite 330, Boston, MA 02111-1307, USA. """
  20
  21 import pygtk
  22 pygtk.require('2.0')
  23 import gobject
  24 import gtk
  25 import gnome
  26 import error
  27 import FeedCategoryList
  28 import OPMLExport
  29 import OPMLImport
  30 import utils
  31 import constants
  32 import gnome.ui
  33 import os, os.path
  34 import gettext
  35
  36
  37 def _setup_filechooser_dialog(title, action, extra_widget_title):
  38     """
  39     Setup the file chooser dialog. This includes an extra widget (a combobox)
  40     to include the categories to import or export
  41     """
  42     dialog = gtk.FileChooserDialog(title, action=action,
  43                                    buttons=(gtk.STOCK_CANCEL,
  44                                             gtk.RESPONSE_CANCEL,
  45                                             gtk.STOCK_OK, gtk.RESPONSE_OK))
  46     category_list = FeedCategoryList.get_instance()
  47     model = gtk.ListStore(gobject.TYPE_STRING, gobject.TYPE_PYOBJECT)
  48     combobox = gtk.ComboBox(model)
  49     celltitle = gtk.CellRendererText()
  50     combobox.pack_start(celltitle,False)
  51     combobox.add_attribute(celltitle, 'text', 0)
  52
  53     # add 'All' Category
  54     it = model.append()
  55     model.set(it, 0, category_list.all_category.title,
  56               1, category_list.all_category)
  57
  58     # add user categories
  59     for category in category_list.user_categories:
  60         it = model.append()
  61         model.set(it, 0, category.title, 1, category)
  62
  63     # ..
  64     combobox.set_active(0)
  65     label = gtk.Label(extra_widget_title)
  66     label.set_alignment(1.0,0.5)
  67     hbox = gtk.HBox(spacing=6)
  68     hbox.pack_start(label,True,True,0)
  69     hbox.pack_end(combobox,False,False,0)
  70     hbox.show_all()
  71
  72     dialog.set_extra_widget(hbox)
  73     return (dialog, combobox)
  74
  75
  76 def export_subscriptions(parent):
  77     (dialog,combobox) = _setup_filechooser_dialog(_("Export Subscriptions"),
  78                                                   gtk.FILE_CHOOSER_ACTION_SAVE,
  79                                                   _("Select category to export:"))
  80     def selection_changed(widget, dialog):
  81         model = widget.get_model()
  82         category = model[widget.get_active()][1]
  83         dialog.set_current_name("Straw-%s.xml" % category.title)
  84
  85     combobox.connect('changed',
  86                      selection_changed,
  87                      dialog)
  88     selection_changed(combobox, dialog)
  89     dialog.set_transient_for(parent)
  90     response = dialog.run()
  91     if response == gtk.RESPONSE_OK:
  92         filename = dialog.get_filename()
  93         model = combobox.get_model()
  94         cat = model[combobox.get_active()][1]
  95         OPMLExport.export(cat.title, cat.feeds, filename)
  96     dialog.destroy()
  97
  98 def import_subscriptions(parent):
  99     (dialog,combobox) = _setup_filechooser_dialog(_("Import Subscriptions"),
 100                                                   gtk.FILE_CHOOSER_ACTION_OPEN,
 101                                                   _("Add new subscriptions in:"))
 102     ffilter = gtk.FileFilter()
 103     ffilter.set_name(_("OPML Files Only"))
 104     ffilter.add_pattern("*.xml")
 105     ffilter.add_pattern("*.opml")
 106     dialog.add_filter(ffilter)
 107     dialog.set_transient_for(parent)
 108     response = dialog.run()
 109     if response == gtk.RESPONSE_OK:
 110         filename = dialog.get_filename()
 111         model = combobox.get_model()
 112         cat = model[combobox.get_active()][1]
 113         dialog.hide()
 114         OPMLImport.import_opml(filename, cat)
 115     dialog.destroy()
 116
 117 def report_error(primary, secondary, parent=None):
 118     dialog = gtk.MessageDialog(parent,
 119                                type=gtk.MESSAGE_ERROR,
 120                                buttons=gtk.BUTTONS_OK,
 121                                message_format=primary)
 122     dialog.format_secondary_text(secondary)
 123     response = dialog.run()
 124     dialog.destroy()
 125     return response
 126
 127 def report_offline_status(parent=None):
 128     dialog = gtk.MessageDialog(parent,
 129                                type=gtk.MESSAGE_WARNING,
 130                                buttons=gtk.BUTTONS_OK_CANCEL,
 131                                message_format="You Are Offline!")
 132     dialog.format_secondary_markup(_("You are currently reading offline. Would you like to go online now?"))
 133     response = dialog.run()
 134     dialog.destroy()
 135     return response
 136
 137 def confirm_delete(primary, secondary,parent=None):
 138     dialog = gtk.MessageDialog(parent,
 139                                type=gtk.MESSAGE_QUESTION,
 140                                buttons=gtk.BUTTONS_OK_CANCEL,
 141                                message_format=primary)
 142     dialog.format_secondary_text(secondary)
 143     response = dialog.run()
 144     dialog.hide()
 145     return response
 146
 147 def credits():
 148     iconfile = os.path.join(utils.find_image_dir(),"straw.png")
 149     logo = gtk.gdk.pixbuf_new_from_file(iconfile)
 150     description = _("A feed aggregator for the GNOME Desktop")
 151     straw_copyright = u"""
 152     Copyright \xa9 2002-2004 Juri Pakaste
 153     Copyright \xa9 2005-2007 Straw Contributors"""
 154     people = [
 155         u"Iain McCoy <iain@mccoy.id.au>",
 156         u"Jan Alonzo <jmalonzo@unpluggable.com>",
 157         u"Juri Pakaste <juri@iki.fi>",
 158         u"Leandro Lameiro <lameiro@gmail.com>",
 159         u"Lucas Nussbaum <lucas@lucas-nussbaum.net>",
 160         u"Mark Pilgrim (feedparser and feedfinder)",
 161         u"Olivier Crete <tester@tester.ca>",
 162         u"Ryan P. Skadberg <skadz@stigmata.org>",
 163         u"Scott Douglas-Watson <sdouglaswatson@yahoo.co.uk>",
 164         u"Terje R\xf8sten (distutils)",
 165         u"Tuukka Hastrup <tuukka@iki.fi>"]
 166
 167     artists = [
 168         u"Jakub 'jimmac' Steiner"
 169         ]
 170
 171     translators = [
 172         u"GNOME i18n Project and Translators<http://developer.gnome.org/projects/gtp/>",
 173         u"Juri Pakaste <juri@iki.fi>",
 174         u"Martin Steldinger <tribble@hanfplantage.de>",
 175         u"David Rousseau <boiteaflood@wanadoo.fr>",
 176         u"Sergei Vavinov <svv@cmc.msu.ru>",
 177         u"Terje R\xf8sten <terjeros@phys.ntnu.no>",
 178         u"Francisco J. Fernandez <franciscojavier.fernandez.serrador@hispalinux.es>",
 179         u"Elros Cyriatan (Dutch Translation)"
 180         ]
 181
 182     translator_credits = 'translator_credits'
 183     about = gtk.AboutDialog()
 184     about.set_name(constants.APPNAME)
 185     about.set_version(constants.VERSION)
 186     about.set_copyright(straw_copyright)
 187     about.set_comments(description)
 188     about.set_authors(people)
 189     artists.append(u'Juri Pakaste')
 190     about.set_artists(artists)
 191     about.set_logo(logo)
 192     about.set_translator_credits(translator_credits)
 193     about.set_license(__license__)
 194     gtk.about_dialog_set_url_hook(lambda about, url: utils.url_show(url))
 195     about.set_website(constants.STRAW_URL)
 196     about.set_website_label(constants.STRAW_URL)
 197     about.connect('response', lambda widget, response: widget.destroy())
 198     return about