"""Specific views for users

:organization: Logilab
:copyright: 2001-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
"""
__docformat__ = "restructuredtext en"

from logilab.common.decorators import cached

from cubicweb.schema import display_name
from cubicweb.web import INTERNAL_FIELD_VALUE
from cubicweb.web.form import EntityForm
from cubicweb.web.views.baseviews import PrimaryView

class EUserPrimaryView(PrimaryView):
    accepts = ('EUser',)
    skip_attrs = ('firstname', 'surname')
    
    def iter_relations(self, entity):
        # don't want to display user's entities
        for rschema, targetschemas, x in super(EUserPrimaryView, self).iter_relations(entity):
            if x == 'object' and rschema.type in ('owned_by', 'for_user'):
                continue
            yield rschema, targetschemas, x

    def content_title(self, entity):
        return entity.name()

    def is_side_related(self, rschema, eschema):
        return  rschema.type in ['interested_in', 'tags', 
                                 'todo_by', 'bookmarked_by',
                                 ]


class EditGroups(EntityForm):
    """displays a simple euser / egroups editable table"""
    
    id = 'editgroups'
    accepts = ('EUser',)
    
    def call(self):
        self.req.add_css('cubicweb.acl.css')            
        _ = self.req._
        self.w(u'<form id="editgroup" method="post" action="edit">')
        self.w(u'<table id="groupedit">\n')
        self.w(u'<tr>')
        self.w(u'<th>%s</th>' % display_name(self.req, 'EUser'))
        self.w(u''.join(u'<th>%s</th>' % _(gname) for geid, gname in self.egroups))
        self.w(u'</tr>')
        for row in xrange(len(self.rset)):
            self.build_table_line(row)
        self.w(u'</table>')
        self.w(u'<fieldset>')
        self.w(self.button_cancel())
        self.w(self.button_ok())
        self.w(u'</fieldset>')
        self.w(u'</form>')


    def build_table_line(self, row):
        euser = self.entity(row)
        euser_groups = [group.name for group in euser.in_group]
        if euser_groups:
            self.w(u'<tr>')
        else:
            self.w(u'<tr class="nogroup">')
        self.w(u'<th><fieldset>')
        self.w(u'<input type="hidden" name="eid" value="%s" />' % euser.eid)
        self.w(u'<input type="hidden" name="__type:%s" value="EUser" />' % euser.eid)
        # this should not occur (for now) since in_group relation is mandatory
        if not euser_groups:
            self.w(u'<input type="hidden" name="edits-in_group:%s" value="%s">' %
                   (euser.eid, INTERNAL_FIELD_VALUE))
        self.w(euser.dc_title())
        self.w(u'</fieldset></th>')
        for geid, gname in self.egroups:
            self.w(u'<td><fieldset>')
            if gname in euser_groups:
                self.w(u'<input type="hidden" name="edits-in_group:%s" value="%s" />' %
                       (euser.eid, geid))
                self.w(u'<input type="checkbox" name="in_group:%s" value="%s" checked="checked" />' %
                       (euser.eid, geid))
            else:
                self.w(u'<input type="checkbox" name="in_group:%s" value="%s" />' %
                       (euser.eid, geid))
            self.w(u'</fieldset></td>')
        self.w(u'</tr>\n')

        
    @property
    @cached
    def egroups(self):
        groups = self.req.execute('Any G, N ORDERBY N WHERE G is EGroup, G name N')
        return [(geid, gname) for geid, gname in groups.rows if gname != 'owners']