web/views/actions.py
author Sylvain Thenault <sylvain.thenault@logilab.fr>
Mon, 05 Jan 2009 16:56:48 +0100
changeset 328 02abf429dd91
parent 254 b1eda3dd844a
child 401 bc55a104d636
permissions -rw-r--r--
don't show add new action for composed objects
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"""Set of HTML base actions
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:organization: Logilab
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:copyright: 2001-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
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"""
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__docformat__ = "restructuredtext en"
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from cubicweb import UnknownEid
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from cubicweb.common.selectors import *
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from cubicweb.web.action import (Action, EntityAction,  LinkToEntityAction,
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                              LinkToEntityAction2)
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from cubicweb.web.views import linksearch_select_url, linksearch_match
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from cubicweb.web.views.baseviews import vid_from_rset
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_ = unicode
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class SelectAction(EntityAction):
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    """base class for link search actions. By default apply on
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    any size entity result search it the current state is 'linksearch'
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    if accept match.
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    """
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    category = 'mainactions'    
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    __selectors__ = (searchstate_accept,)
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    search_states = ('linksearch',)
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    order = 0
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    id = 'select'
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    title = _('select')
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    @classmethod
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    def accept_rset(cls, req, rset, row, col):
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        return linksearch_match(req, rset)
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    def url(self):
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        return linksearch_select_url(self.req, self.rset)
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class CancelSelectAction(Action):
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    category = 'mainactions'
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    search_states = ('linksearch',)
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    order = 10
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    id = 'cancel'
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    title = _('cancel select')
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    def url(self):
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        target, link_eid, r_type, searched_type = self.req.search_state[1]
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        return self.build_url(rql="Any X WHERE X eid %s" % link_eid,
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                              vid='edition', __mode='normal')
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class ViewAction(Action):
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    category = 'mainactions'    
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    __selectors__ = (in_group_selector, searchstate_accept)
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    require_groups = ('users', 'managers')
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    order = 0
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    id = 'view'
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    title = _('view')
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    @classmethod
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    def accept_rset(cls, req, rset, row, col):
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        # interesting if it propose another view than the current one
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        vid = req.form.get('vid')
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        if vid and vid != vid_from_rset(req, rset, cls.schema):
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            return 1
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        return 0
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    def url(self):
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        params = self.req.form.copy()
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        params.pop('vid', None)
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        params.pop('__message', None)
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        return self.build_url(self.req.relative_path(includeparams=False), **params)
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class ModifyAction(EntityAction):
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    category = 'mainactions'
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    __selectors__ = (one_line_rset, searchstate_accept)
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    #__selectors__ = searchstate_accept,
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    schema_action = 'update'
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    order = 10
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    id = 'edit'
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    title = _('modify')
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    @classmethod
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    def has_permission(cls, entity, action):
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        if entity.has_perm(action):
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            return True
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        # if user has no update right but it can modify some relation,
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        # display action anyway
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        for dummy in entity.srelations_by_category(('generic', 'metadata'), 'add'):
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            return True
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        for rschema, targetschemas, role in entity.relations_by_category(('primary', 'secondary'), 'add'):
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            if not rschema.is_final():
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                return True
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        return False
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    def url(self):
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        entity = self.rset.get_entity(self.row or 0, self.col or 0)
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        return entity.absolute_url(vid='edition')
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class DeleteAction(EntityAction):
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    category = 'moreactions' 
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    __selectors__ = (searchstate_accept,)
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    schema_action = 'delete'
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    order = 20
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    id = 'delete'
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    title = _('delete')
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    def url(self):
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        if len(self.rset) == 1:
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            entity = self.rset.get_entity(0, 0)
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            return self.build_url(entity.rest_path(), vid='deleteconf')
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        return self.build_url(rql=self.rset.printable_rql(), vid='deleteconf')
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class CopyAction(EntityAction):
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    category = 'moreactions'
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    schema_action = 'add'
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    order = 30
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    id = 'copy'
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    title = _('copy')
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    def url(self):
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        entity = self.rset.get_entity(self.row or 0, self.col or 0)
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        return entity.absolute_url(vid='copy')
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class MultipleEditAction(EntityAction):
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    category = 'mainactions'
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    __selectors__ = (two_lines_rset, oneetyperset_selector,
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                     searchstate_accept)
0
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    schema_action = 'update'
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    order = 10
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    id = 'muledit' # XXX get strange conflicts if id='edit'
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    title = _('modify')
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    def url(self):
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        return self.build_url('view', rql=self.rset.rql, vid='muledit')
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class AddNewAction(MultipleEditAction):
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    """when we're seeing more than one entity with the same type, propose to
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    add a new one
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    """
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    category = 'moreactions'
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    def etype_rset_selector(cls, req, rset, **kwargs):
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        if rset is not None and not rset.rowcount:
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            rqlst = rset.syntax_tree()
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            if len(rqlst.children) > 1:
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                return 0
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            select = rqlst.children[0]
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            if len(select.defined_vars) == 1 and len(select.solutions) == 1:
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                rset._searched_etype = select.solutions[0].itervalues().next()
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                eschema = cls.schema.eschema(rset._searched_etype)
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                if not (eschema.is_final() or eschema.is_subobject(strict=True)) \
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                       and eschema.has_perm(req, 'add'):
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                    return 1
0
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        return 0
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    def has_add_perm_selector(cls, req, rset, **kwargs):
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        eschema = cls.schema.eschema(rset.description[0][0])
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        if not (eschema.is_final() or eschema.is_subobject(strict=True)) \
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               and eschema.has_perm(req, 'add'):
0
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            return 1
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        return 0
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    __selectors__ = (match_search_state,
0
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                     chainfirst(etype_rset_selector,
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                                chainall(two_lines_rset, oneetyperset_selector,
0
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                                         has_add_perm_selector)))
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    order = 40
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    id = 'addentity'
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    @property
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    def rsettype(self):
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        if self.rset:
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            return self.rset.description[0][0]
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        return self.rset._searched_etype
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    @property
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    def title(self):
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        return self.req.__('add a %s' % self.rsettype) # generated msgid
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    def url(self):
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        return self.build_url('add/%s' % self.rsettype)
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class FollowAction(EntityAction):
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    category = 'mainactions'
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    accepts = ('Bookmark',)
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    id = 'follow'
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    title = _('follow')
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    def url(self):
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        return self.rset.get_entity(self.row or 0, self.col or 0).actual_url()
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class UserPreferencesAction(Action):
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    category = 'useractions'
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    __selectors__ = not_anonymous_selector,
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    order = 10
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    id = 'myprefs'
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    title = _('user preferences')
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    def url(self):
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        return self.build_url(self.id)
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class UserPreferencesEntityAction(EntityAction):
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    __selectors__ = EntityAction.__selectors__ + (one_line_rset, in_group_selector,)
0
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    require_groups = ('owners', 'managers')
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    category = 'mainactions'
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    accepts = ('EUser',)
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    id = 'prefs'
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    title = _('preferences')
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    def url(self):
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        login = self.rset.get_entity(self.row or 0, self.col or 0).login
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        return self.build_url('euser/%s'%login, vid='epropertiesform')
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class UserInfoAction(Action):
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    category = 'useractions'
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    __selectors__ = not_anonymous_selector,
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    order = 20
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    id = 'myinfos'
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    title = _('personnal informations')
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    def url(self):
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        return self.build_url('euser/%s'%self.req.user.login, vid='edition')
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class LogoutAction(Action):
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    category = 'useractions'
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    __selectors__ = not_anonymous_selector,
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    order = 30
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    id = 'logout'
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    title = _('logout')
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    def url(self):
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        return self.build_url(self.id)
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class ManagersAction(Action):
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    category = 'siteactions'
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    __abstract__ = True
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    __selectors__ = in_group_selector,
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    require_groups = ('managers',)
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    def url(self):
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        return self.build_url(self.id)
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class SiteConfigurationAction(ManagersAction):
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    order = 10
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    id = 'siteconfig'
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    title = _('site configuration')
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class ManageAction(ManagersAction):
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    order = 20
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    id = 'manage'
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    title = _('manage')
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class ViewSchemaAction(Action):
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    category = 'siteactions'
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    __selectors__ = yes,
0
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    order = 30
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    id = 'schema'
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    title = _("site schema")
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    def url(self):
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        return self.build_url(self.id)
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