"""Primary view for bookmarks + user's bookmarks box

:organization: Logilab

:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr

"""

__docformat__ = "restructuredtext en"

from logilab.mtconverter import html_escape

from cubicweb import Unauthorized

from cubicweb.selectors import implements

from cubicweb.web.htmlwidgets import BoxWidget, BoxMenu, RawBoxItem

from cubicweb.web import action, formwidgets

from cubicweb.web.box import UserRQLBoxTemplate

from cubicweb.web.views.baseviews import PrimaryView

from cubicweb.web.views.editforms import AutomaticEntityForm

AutomaticEntityForm.rcategories.set_rtag('primary', 'path', 'subject', 'Bookmark')

AutomaticEntityForm.rwidgets.set_rtag(formwidgets.TextInput, 'path', 'subject', 'Bookmark')

class FollowAction(action.Action):

    id = 'follow'

    __select__ = implements('Bookmark')

    title = _('follow')

    category = 'mainactions'

    def url(self):

        return self.rset.get_entity(self.row or 0, self.col or 0).actual_url()

class BookmarkPrimaryView(PrimaryView):

    __select__ = implements('Bookmark')

    def cell_call(self, row, col):

        """the primary view for bookmark entity"""

        entity = self.complete_entity(row, col)

        self.w(u' ')

        self.w(u"<span class='title'><b>")

        self.w(u"%s : %s" % (self.req._('Bookmark'), html_escape(entity.title)))

        self.w(u"</b></span>")

        self.w(u'<br/><br/><div class="content"><a href="%s">' % (

            html_escape(entity.actual_url())))

        self.w(u'</a>')

        self.w(u'<p>%s%s</p>' % (self.req._('Used by:'), ', '.join(html_escape(u.name())

                                                                   for u in entity.bookmarked_by)))

        self.w(u'</div>')

class BookmarksBox(UserRQLBoxTemplate):

    """display a box containing all user's bookmarks"""

    id = 'bookmarks_box'

    order = 40

    title = _('bookmarks')

    rql = ('Any B,T,P ORDERBY lower(T) '

           'WHERE B is Bookmark,B title T, B path P, B bookmarked_by U, '

           'U eid %(x)s')

    etype = 'Bookmark'

    rtype = 'bookmarked_by'

    def call(self, **kwargs):

        req = self.req

        ueid = req.user.eid

        try:

            rset = req.execute(self.rql, {'x': ueid})

        except Unauthorized:

            # can't access to something in the query, forget this box

            return

        box = BoxWidget(req._(self.title), self.id)

        box.listing_class = 'sideBox'

        rschema = self.schema.rschema(self.rtype)

        eschema = self.schema.eschema(self.etype)

        candelete = rschema.has_perm(req, 'delete', toeid=ueid)

        if candelete:

            req.add_js( ('cubicweb.ajax.js', 'cubicweb.bookmarks.js') )

        else:

            dlink = None

        for bookmark in rset.entities():

            label = '<a href="%s">%s</a>' % (html_escape(bookmark.action_url()),

                                             html_escape(bookmark.title))

            if candelete:

                dlink = u'[<a href="javascript:removeBookmark(%s)" title="%s">-</a>]' % (

                    bookmark.eid, _('delete this bookmark'))

                label = '%s %s' % (dlink, label)

            box.append(RawBoxItem(label))

        if eschema.has_perm(req, 'add') and rschema.has_perm(req, 'add', toeid=ueid):

            boxmenu = BoxMenu(req._('manage bookmarks'))

            linkto = 'bookmarked_by:%s:subject' % ueid

            # use a relative path so that we can move the application without

            # loosing bookmarks

            path = req.relative_path()

            url = self.create_url(self.etype, __linkto=linkto, path=path)

            boxmenu.append(self.mk_action(req._('bookmark this page'), url,

                                          category='manage', id='bookmark'))

            if rset:

                if req.user.is_in_group('managers'):

                    bookmarksrql = 'Bookmark B WHERE B bookmarked_by U, U eid %s' % ueid

                    erset = rset

                else:

                    # we can't edit shared bookmarks we don't own

                    bookmarksrql = 'Bookmark B WHERE B bookmarked_by U, B owned_by U, U eid %(x)s'

                    erset = req.execute(bookmarksrql, {'x': ueid}, 'x',

                                                build_descr=False)

                    bookmarksrql %= {'x': ueid}

                if erset:

                    url = self.build_url(vid='muledit', rql=bookmarksrql)

                    boxmenu.append(self.mk_action(self.req._('edit bookmarks'), url, category='manage'))

            url = req.user.absolute_url(vid='xaddrelation', rtype='bookmarked_by',

                                        target='subject')

            boxmenu.append(self.mk_action(self.req._('pick existing bookmarks'), url, category='manage'))

            box.append(boxmenu)

        if not box.is_empty():

            box.render(self.w)