straw/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 os, os.path
  22 from gettext import gettext as _
  23 import pygtk
  24 pygtk.require('2.0')
  25 import gobject
  26 import gtk
  27 import gnome
  28
  29 from straw import constants
  30 import utils
  31 from straw import OPMLExport
  32 from straw import OPMLImport
  33 from straw import error
  34
  35 class UIFactory(object):
  36     _shared_state = {}
  37     manager = None
  38
  39     actions = [
  40         ("refresh", gtk.STOCK_REFRESH, _("_Refresh"), None, _("Update this feed"), None),
  41         ("mark_as_read", gtk.STOCK_CLEAR, _("_Mark As Read"),
  42          None, _("Mark all items in this feed as read"), None),
  43         ("stop_refresh", None, _("_Stop Refresh"), None, _("Stop updating this feed"), None),
  44         ("remove", None, _("Remo_ve Feed"), None, _("Remove this feed from my subscription"), None),
  45         ("properties", gtk.STOCK_INFO, _("_Information"), None, _("Feed-specific properties"), None),
  46         ("text_copy", gtk.STOCK_COPY, "_Copy", None, None, None),
  47         ("link_copy", None, "_Copy Link Location", None, None, None),
  48         ("link_open", None, "_Open Link", None, None, None),
  49         ("subscribe", None, "_Subscribe", None, None, None),
  50         ("zoom_in", gtk.STOCK_ZOOM_IN, "Zoom _In", None, None, None),
  51         ("zoom_out", gtk.STOCK_ZOOM_OUT, "Zoom _Out", None, None, None),
  52         ("zoom_100", gtk.STOCK_ZOOM_100, "_Normal Size", None, None, None),
  53         ("mark_as_unread", gtk.STOCK_CONVERT, "Mark as _Unread", None, "Mark this item as unread", None)
  54         ]
  55
  56     def __new__(cls, *a, **k):
  57         obj = object.__new__(cls, *a, **k)
  58         obj.__dict__ = cls._shared_state
  59         return obj
  60
  61     def __init__(self, name):
  62         if not self.manager:
  63             print 'initializing ui manager'
  64             self.action_groups = {}
  65             self.manager = gtk.UIManager()
  66             action_group = gtk.ActionGroup(name)
  67             action_group.add_actions(UIFactory.actions)
  68             num_action_groups = len(self.manager.get_action_groups())
  69             self.action_groups[name] = num_action_groups
  70             self.manager.insert_action_group(action_group, num_action_groups)
  71             ui = os.path.join(utils.find_data_dir(), 'ui.xml')
  72             self.manager.add_ui_from_file(ui)
  73
  74     def get_popup(self, path):
  75         return self.manager.get_widget(path)
  76
  77     def get_action(self, path):
  78         return self.manager.get_action(path)
  79
  80     def ensure_update(self):
  81         self.manager.ensure_update()
  82
  83 def _setup_filechooser_dialog(title, action, extra_widget_title):
  84     """
  85     Setup the file chooser dialog. This includes an extra widget (a combobox)
  86     to include the categories to import or export
  87     """
  88     dialog = gtk.FileChooserDialog(title, action=action,
  89                                    buttons=(gtk.STOCK_CANCEL,
  90                                             gtk.RESPONSE_CANCEL,
  91                                             gtk.STOCK_OK, gtk.RESPONSE_OK))
  92     category_list = feeds.category_list
  93     model = gtk.ListStore(gobject.TYPE_STRING, gobject.TYPE_PYOBJECT)
  94     combobox = gtk.ComboBox(model)
  95     celltitle = gtk.CellRendererText()
  96     combobox.pack_start(celltitle,False)
  97     combobox.add_attribute(celltitle, 'text', 0)
  98
  99     # add 'All' Category
 100     it = model.append()
 101     model.set(it, 0, category_list.all_category.title,
 102               1, category_list.all_category)
 103
 104     # add user categories
 105     for category in category_list.user_categories:
 106         it = model.append()
 107         model.set(it, 0, category.title, 1, category)
 108
 109     # ..
 110     combobox.set_active(0)
 111     label = gtk.Label(extra_widget_title)
 112     label.set_alignment(1.0,0.5)
 113     hbox = gtk.HBox(spacing=6)
 114     hbox.pack_start(label,True,True,0)
 115     hbox.pack_end(combobox,False,False,0)
 116     hbox.show_all()
 117
 118     dialog.set_extra_widget(hbox)
 119     return (dialog, combobox)
 120
 121
 122 def export_subscriptions(parent):
 123     (dialog,combobox) = _setup_filechooser_dialog(_("Export Subscriptions"),
 124                                                   gtk.FILE_CHOOSER_ACTION_SAVE,
 125                                                   _("Select category to export:"))
 126     def selection_changed(widget, dialog):
 127         model = widget.get_model()
 128         category = model[widget.get_active()][1]
 129         dialog.set_current_name("Straw-%s.xml" % category.title)
 130
 131     combobox.connect('changed',
 132                      selection_changed,
 133                      dialog)
 134     selection_changed(combobox, dialog)
 135     dialog.set_transient_for(parent)
 136     response = dialog.run()
 137     if response == gtk.RESPONSE_OK:
 138         filename = dialog.get_filename()
 139         model = combobox.get_model()
 140         cat = model[combobox.get_active()][1]
 141         OPMLExport.export(cat.title, cat.feeds, filename)
 142     dialog.destroy()
 143
 144 def import_subscriptions(parent):
 145     (dialog,combobox) = _setup_filechooser_dialog(_("Import Subscriptions"),
 146                                                   gtk.FILE_CHOOSER_ACTION_OPEN,
 147                                                   _("Add new subscriptions in:"))
 148     ffilter = gtk.FileFilter()
 149     ffilter.set_name(_("OPML Files Only"))
 150     ffilter.add_pattern("*.xml")
 151     ffilter.add_pattern("*.opml")
 152     dialog.add_filter(ffilter)
 153     dialog.set_transient_for(parent)
 154     response = dialog.run()
 155     if response == gtk.RESPONSE_OK:
 156         filename = dialog.get_filename()
 157         model = combobox.get_model()
 158         cat = model[combobox.get_active()][1]
 159         dialog.hide()
 160         OPMLImport.import_opml(filename, cat)
 161     dialog.destroy()
 162
 163 def report_error(primary, secondary, parent=None):
 164     dialog = gtk.MessageDialog(parent,
 165                                type=gtk.MESSAGE_ERROR,
 166                                buttons=gtk.BUTTONS_OK,
 167                                message_format=primary)
 168     dialog.format_secondary_text(secondary)
 169     response = dialog.run()
 170     dialog.destroy()
 171     return response
 172
 173 def report_offline_status(parent=None):
 174     dialog = gtk.MessageDialog(parent,
 175                                type=gtk.MESSAGE_WARNING,
 176                                buttons=gtk.BUTTONS_OK_CANCEL,
 177                                message_format="You Are Offline!")
 178     dialog.format_secondary_markup(_("You are currently reading offline. Would you like to go online now?"))
 179     response = dialog.run()
 180     dialog.destroy()
 181     return response
 182
 183 def confirm_delete(primary, secondary,parent=None):
 184     dialog = gtk.MessageDialog(parent,
 185                                type=gtk.MESSAGE_QUESTION,
 186                                buttons=gtk.BUTTONS_OK_CANCEL,
 187                                message_format=primary)
 188     dialog.format_secondary_text(secondary)
 189     response = dialog.run()
 190     dialog.hide()
 191     return response
 192
 193 def credits():
 194     people = u'''Author:
 195 Juri Pakaste <juri@iki.fi>
 196
 197 Contributors:
 198 Jan Alonzo <jmalonzo@unpluggable.com>
 199 Ryan P. Skadberg <skadz@stigmata.org>
 200 Leandro Lameiro <lameiro@gmail.com>
 201 Tuukka Hastrup <tuukka@iki.fi>
 202
 203 Past Contributors:
 204 Iain McCoy <iain@mccoy.id.au>
 205 Lucas Nussbaum <lucas@lucas-nussbaum.net>
 206 Olivier Crete <tester@tester.ca>
 207 Scott Douglas-Watson <sdouglaswatson@yahoo.co.uk>
 208 Terje R\xf8sten (distutils)
 209
 210 Special Thanks:
 211 Mark Pilgrim (feedparser and feedfinder)
 212 Joe Gregorio (httplib2)
 213 '''
 214     iconfile = os.path.join(utils.find_image_dir(),"straw.png")
 215     logo = gtk.gdk.pixbuf_new_from_file(iconfile)
 216     description = _("A Desktop Feed Reader")
 217     straw_copyright = u"""
 218     Copyright \xa9 2005-2007 Straw Contributors
 219     Copyright \xa9 2002-2004 Juri Pakaste"""
 220     artists = [
 221         u'Jakub \'jimmac\' Steiner',
 222         u'Juri Pakaste'
 223         ]
 224
 225     translators = [
 226         u"GNOME i18n Project and Translators<http://developer.gnome.org/projects/gtp/>",
 227         u"Juri Pakaste <juri@iki.fi>",
 228         u"Martin Steldinger <tribble@hanfplantage.de>",
 229         u"David Rousseau <boiteaflood@wanadoo.fr>",
 230         u"Sergei Vavinov <svv@cmc.msu.ru>",
 231         u"Terje R\xf8sten <terjeros@phys.ntnu.no>",
 232         u"Francisco J. Fernandez <franciscojavier.fernandez.serrador@hispalinux.es>",
 233         u"Elros Cyriatan (Dutch Translation)"
 234         ]
 235
 236     translator_credits = 'translator_credits'
 237     about = gtk.AboutDialog()
 238     about.set_name(constants.APPNAME)
 239     about.set_version(constants.VERSION)
 240     about.set_copyright(straw_copyright)
 241     about.set_comments(description)
 242     about.set_authors(people.splitlines())
 243     about.set_artists(artists)
 244     about.set_logo(logo)
 245     about.set_translator_credits(translator_credits)
 246     about.set_license(__license__)
 247     gtk.about_dialog_set_url_hook(lambda about, url: utils.url_show(url))
 248     about.set_website(constants.STRAW_URL)
 249     about.set_website_label(constants.STRAW_URL)
 250     about.connect('response', lambda widget, response: widget.destroy())
 251     return about