""" dialogs.py

Module for displaying dialogs related to errors, warnings, notifications,
etc...
"""
__copyright__ = "Copyright (c) 2002-2005 Free Software Foundation, Inc."
__license__ = """
Straw is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.

Straw 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 General Public License for more details.

You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA. """

import pygtk
pygtk.require('2.0')
import gobject
import gtk
import gnome
import error
import FeedCategoryList
import FeedList
import OPMLExport
import OPMLImport
import utils
import constants
import gnome.ui
import os, os.path
import gettext


def _setup_filechooser_dialog(title, action, extra_widget_title):
    """
    Setup the file chooser dialog. This includes an extra widget (a combobox)
    to include the categories to import or export
    """
    dialog = gtk.FileChooserDialog(title, action=action,
                                   buttons=(gtk.STOCK_CANCEL,
                                            gtk.RESPONSE_CANCEL,
                                            gtk.STOCK_OK, gtk.RESPONSE_OK))
    category_list = FeedCategoryList.get_instance()
    model = gtk.ListStore(gobject.TYPE_STRING, gobject.TYPE_PYOBJECT)
    combobox = gtk.ComboBox(model)
    celltitle = gtk.CellRendererText()
    combobox.pack_start(celltitle,False)
    combobox.add_attribute(celltitle, 'text', 0)

    # add 'All' Category
    it = model.append()
    model.set(it, 0, category_list.all_category.title,
              1, category_list.all_category)

    # add user categories
    for category in category_list.user_categories:
        it = model.append()
        model.set(it, 0, category.title, 1, category)

    # ..
    combobox.set_active(0)
    label = gtk.Label(extra_widget_title)
    label.set_alignment(1.0,0.5)
    hbox = gtk.HBox(spacing=6)
    hbox.pack_start(label,True,True,0)
    hbox.pack_end(combobox,False,False,0)
    hbox.show_all()

    dialog.set_extra_widget(hbox)
    return (dialog, combobox)


def export_subscriptions(parent):
    (dialog,combobox) = _setup_filechooser_dialog(_("Export Subscriptions"),
                                                  gtk.FILE_CHOOSER_ACTION_SAVE,
                                                  _("Select category to export:"))
    def selection_changed(widget, dialog):
        model = widget.get_model()
        category = model[widget.get_active()][1]
        dialog.set_current_name("Straw-%s.xml" % category.title)

    combobox.connect('changed',
                     selection_changed,
                     dialog)
    selection_changed(combobox, dialog)
    dialog.set_transient_for(parent)
    response = dialog.run()
    if response == gtk.RESPONSE_OK:
        filename = dialog.get_filename()
        model = combobox.get_model()
        cat = model[combobox.get_active()][1]
        OPMLExport.export(cat.title, cat.feeds, filename)
    dialog.destroy()

def import_subscriptions(parent):
    (dialog,combobox) = _setup_filechooser_dialog(_("Import Subscriptions"),
                                                  gtk.FILE_CHOOSER_ACTION_OPEN,
                                                  _("Add new subscriptions in:"))
    ffilter = gtk.FileFilter()
    ffilter.set_name(_("OPML Files Only"))
    ffilter.add_pattern("*.xml")
    ffilter.add_pattern("*.opml")
    dialog.add_filter(ffilter)
    dialog.set_transient_for(parent)
    response = dialog.run()
    if response == gtk.RESPONSE_OK:
        filename = dialog.get_filename()
        model = combobox.get_model()
        cat = model[combobox.get_active()][1]
        dialog.hide()
        OPMLImport.import_opml(filename, cat)
    dialog.destroy()

def report_error(primary, secondary, parent=None):
    dialog = gtk.MessageDialog(parent,
                               type=gtk.MESSAGE_ERROR,
                               buttons=gtk.BUTTONS_OK,
                               message_format=primary)
    dialog.format_secondary_text(secondary)
    response = dialog.run()
    dialog.destroy()
    return response

def report_offline_status(parent=None):
    dialog = gtk.MessageDialog(parent,
                               type=gtk.MESSAGE_WARNING,
                               buttons=gtk.BUTTONS_OK_CANCEL,
                               message_format="You Are Offline!")
    dialog.format_secondary_markup(_("You are currently reading offline. Would you like to go online now?"))
    response = dialog.run()
    dialog.destroy()
    return response

def confirm_delete(primary, secondary,parent=None):
    dialog = gtk.MessageDialog(parent,
                               type=gtk.MESSAGE_QUESTION,
                               buttons=gtk.BUTTONS_OK_CANCEL,
                               message_format=primary)
    dialog.format_secondary_text(secondary)
    response = dialog.run()
    dialog.hide()
    return response

def credits():
    iconfile = os.path.join(utils.find_image_dir(),"straw.png")
    logo = gtk.gdk.pixbuf_new_from_file(iconfile)
    description = _("A feed aggregator for the GNOME Desktop")
    straw_copyright = u"""
    Copyright \xa9 2002-2004 Juri Pakaste
    Copyright \xa9 2005-2007 Straw Contributors"""
    people = [
        u"Iain McCoy <iain@mccoy.id.au>",
        u"Jan Alonzo <jmalonzo@unpluggable.com>",
        u"Juri Pakaste <juri@iki.fi>",
        u"Leandro Lameiro <lameiro@gmail.com>",
        u"Lucas Nussbaum <lucas@lucas-nussbaum.net>",
        u"Mark Pilgrim (feedparser and feedfinder)",
        u"Olivier Crete <tester@tester.ca>",
        u"Ryan P. Skadberg <skadz@stigmata.org>",
        u"Scott Douglas-Watson <sdouglaswatson@yahoo.co.uk>",
        u"Terje R\xf8sten (distutils)",
        u"Tuukka Hastrup <tuukka@iki.fi>"]

    artists = [
        u"Jakub 'jimmac' Steiner"
        ]

    translators = [
        u"GNOME i18n Project and Translators<http://developer.gnome.org/projects/gtp/>",
        u"Juri Pakaste <juri@iki.fi>",
        u"Martin Steldinger <tribble@hanfplantage.de>",
        u"David Rousseau <boiteaflood@wanadoo.fr>",
        u"Sergei Vavinov <svv@cmc.msu.ru>",
        u"Terje R\xf8sten <terjeros@phys.ntnu.no>",
        u"Francisco J. Fernandez <franciscojavier.fernandez.serrador@hispalinux.es>",
        u"Elros Cyriatan (Dutch Translation)"
        ]

    translator_credits = 'translator_credits'
    about = gtk.AboutDialog()
    about.set_name(constants.APPNAME)
    about.set_version(constants.VERSION)
    about.set_copyright(straw_copyright)
    about.set_comments(description)
    about.set_authors(people)
    artists.append(u'Juri Pakaste')
    about.set_artists(artists)
    about.set_logo(logo)
    about.set_translator_credits(translator_credits)
    about.set_license(__license__)
    gtk.about_dialog_set_url_hook(lambda about, url: utils.url_show(url))
    about.set_website(constants.STRAW_URL)
    about.set_website_label(constants.STRAW_URL)
    about.connect('response', lambda widget, response: widget.destroy())
    return about