views.py

"""Specific views for links

:organization: Logilab
:copyright: 2003-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
"""
__docformat__ = "restructuredtext en"
_ = unicode

from logilab.mtconverter import html_escape

from cubicweb.selectors import implements
from cubicweb.view import EntityView
from cubicweb.web import uicfg
from cubicweb.web.views import primary, baseviews
from cubicweb.web.views import xbel, bookmark

for attr in ('title', 'url', 'embed', 'description'):
    uicfg.rdisplay.tag_attribute({}, 'Card', attr)

class LinkPrimaryView(primary.PrimaryView):
    __select__ = implements('Link')
    show_attr_label = False

    def content_title(self, entity):
        return u'<a href="%s">%s</a>' % (html_escape(entity.actual_url()),
                                         html_escape(entity.title))

    def summary(self, entity):
        return entity.printable_value('description')

class LinkOneLineView(baseviews.OneLineView):
    __select__ = implements('Link')

    def cell_call(self, row, col):
        entity = self.complete_entity(row, col)
        descr = entity.printable_value('description', format='text/plain')
        descr = descr and descr.splitlines()[0]
        values = {'title': html_escape(entity.title),
                  'url': html_escape(entity.absolute_url()),
                  'description': html_escape(descr),
                  }
        self.w(u'<a href="%(url)s" title="%(description)s">%(title)s</a>'
               % values)
        self.w(u'&nbsp;[<a href="%s">%s</a>]'
               % (html_escape(entity.actual_url()),
                  self.req._('follow')))


class LinkView(EntityView):
    id = 'link'
    __select__ = implements('Link')
    title = _('link')

    def cell_call(self, row, col):
        entity = self.complete_entity(row, col)
        values = {'title': html_escape(entity.title),
                  'url': html_escape(entity.actual_url()),
                  'description': html_escape(entity.printable_value('description')),
                  }
        self.w(u'<a href="%(url)s" title="%(description)s">%(title)s</a>'
               % values)

class XbelItemLinkView(xbel.XbelItemView):
    __select__ = implements('Link')

    def url(self, entity):
        return entity.url


class LinkFollowAction(bookmark.FollowAction):
    __select__ = implements('Link')