~launchpad-pqm/launchpad/devel

# Copyright 2009-2011 Canonical Ltd.  This software is licensed under the

# GNU Affero General Public License version 3 (see the file LICENSE).

"""Translations browser views for distributions."""

__metaclass__ = type

__all__ = [

    'DistributionLanguagePackAdminView',

    'DistributionSettingsView',

    'DistributionView',

    ]

import operator

from lp.app.enums import service_uses_launchpad

from lp.registry.browser import RegistryEditFormView

from lp.registry.interfaces.distribution import IDistribution

from lp.registry.interfaces.series import SeriesStatus

from lp.services.propertycache import cachedproperty

from lp.services.webapp import (

    action,

    canonical_url,

    enabled_with_permission,

    LaunchpadEditFormView,

    LaunchpadView,

    Link,

    )

from lp.services.webapp.authorization import check_permission

from lp.services.webapp.menu import NavigationMenu

from lp.translations.browser.translations import TranslationsMixin

class DistributionTranslationsMenu(NavigationMenu):

    usedfor = IDistribution

    facet = 'translations'

    links = ['overview', 'settings', 'language_pack_admin', 'imports']

    def overview(self):

        text = 'Overview'

        link = canonical_url(self.context, rootsite='translations')

        return Link(link, text)

    @enabled_with_permission('launchpad.TranslationsAdmin')

    def settings(self):

        text = 'Configure translations'

        return Link('+settings', text, icon='edit', site='translations')

    @enabled_with_permission('launchpad.TranslationsAdmin')

    def language_pack_admin(self):

        text = 'Language pack admin'

        return Link(

            '+select-language-pack-admin', text, icon='edit',

            site='translations')

    def imports(self):

        text = 'Import queue'

        return Link('+imports', text, site='translations')

class DistributionLanguagePackAdminView(LaunchpadEditFormView):

    """Browser view to change the language pack administrator."""

    schema = IDistribution

    label = "Select the language pack administrator"

    field_names = ['language_pack_admin']

    @property

    def cancel_url(self):

        return canonical_url(self.context, rootsite="translations")

    next_url = cancel_url

    @property

    def page_title(self):

        return 'Change the %s language pack administrator' % (

            self.context.displayname)

    @action("Change", name='change')

    def change_action(self, action, data):

        self.updateContextFromData(data)

class DistributionView(LaunchpadView):

    """Default Distribution view class."""

    label = "Translations overview"

    @cachedproperty

    def translation_focus(self):

        """Return the IDistroSeries where the translators should work.

        If ther isn't a defined focus, we return latest series.

        """

        if self.context.translation_focus is None:

            return self.context.currentseries

        else:

            return self.context.translation_focus

    @cachedproperty

    def show_page_content(self):

        """Whether the main content of the page should be shown."""

        return (service_uses_launchpad(self.context.translations_usage) or

               self.is_translations_admin)

    def can_configure_translations(self):

        """Whether or not the user can configure translations."""

        return check_permission("launchpad.TranslationsAdmin", self.context)

    def is_translations_admin(self):

        """Whether or not the user is a translations admin."""

        return check_permission("launchpad.TranslationsAdmin", self.context)

    def secondary_translatable_series(self):

        """Return a list of IDistroSeries that aren't the translation_focus.

        It only includes the ones that are still supported.

        """

        series = [

            series

            for series in self.context.series

            if (series.status != SeriesStatus.OBSOLETE

                and (self.translation_focus is None or

                     self.translation_focus.id != series.id))]

        return sorted(series, key=operator.attrgetter('version'),

                      reverse=True)

class DistributionSettingsView(TranslationsMixin, RegistryEditFormView):

    label = "Translations settings"

    page_title = "Settings"

    schema = IDistribution

    field_names = [

        "translations_usage",

        "translation_focus",

        "translationgroup",

        "translationpermission",

        ]

    @property

    def cancel_url(self):

        return canonical_url(self.context, rootsite="translations")

    next_url = cancel_url

    @action('Change', name='change')

    def edit(self, action, data):

        self.updateContextFromData(data)