~launchpad-pqm/launchpad/devel

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

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

"""`IFAQ` browser views."""

__metaclass__ = type

__all__ = [

    'FAQBreadcrumb',

    'FAQNavigationMenu',

    'FAQEditView',

    'FAQView',

    ]

from canonical.launchpad import _

from canonical.launchpad.webapp import (

    action,

    canonical_url,

    enabled_with_permission,

    LaunchpadEditFormView,

    LaunchpadView,

    Link,

    NavigationMenu,

    )

from canonical.launchpad.webapp.breadcrumb import Breadcrumb

from lp.answers.browser.faqcollection import FAQCollectionMenu

from lp.answers.interfaces.faq import IFAQ

from lp.answers.interfaces.faqcollection import IFAQCollection

class FAQNavigationMenu(NavigationMenu):

    """Context menu of actions that can be performed upon a FAQ."""

    usedfor = IFAQ

    title = 'Edit FAQ'

    facet = 'answers'

    links = ['edit', 'list_all']

    @enabled_with_permission('launchpad.Edit')

    def edit(self):

        """Return a Link to the edit view."""

        return Link('+edit', _('Edit FAQ'), icon='edit')

    def list_all(self):

        """Return a Link to list all FAQs."""

        # We adapt to IFAQCollection so that the link can be used

        # on objects which don't provide `IFAQCollection` directly, but for

        # which an adapter exists that gives the proper context.

        collection = IFAQCollection(self.context)

        url = canonical_url(collection, rootsite='answers') + '/+faqs'

        return Link(url, 'List all FAQs', icon='info')

class FAQBreadcrumb(Breadcrumb):

    """Builds a breadcrumb for an `IFAQ`."""

    @property

    def text(self):

        return 'FAQ #%d' % self.context.id

class FAQView(LaunchpadView):

    """View for the FAQ index."""

    @property

    def label(self):

        return self.context.title

class FAQEditView(LaunchpadEditFormView):

    """View to change the FAQ details."""

    schema = IFAQ

    label = _('Edit FAQ')

    field_names = ["title", "keywords", "content"]

    @property

    def page_title(self):

        return 'Edit FAQ #%s details' % self.context.id

    @action(_('Save'), name="save")

    def save_action(self, action, data):

        """Update the FAQ details."""

        self.updateContextFromData(data)

        self.next_url = canonical_url(self.context)