web/box.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Wed, 06 Apr 2011 16:00:56 +0200
branchstable
changeset 7186 287f2273917f
parent 6499 c4123c741c66
child 7879 9aae456abab5
permissions -rw-r--r--
[test] drop some warnings introduced by new test dabase handling
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# copyright 2003-2010 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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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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"""abstract box classes for CubicWeb web client"""
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__docformat__ = "restructuredtext en"
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_ = unicode
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from logilab.mtconverter import xml_escape
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from logilab.common.deprecation import class_deprecated, class_renamed
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from cubicweb import Unauthorized, role as get_role
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from cubicweb.schema import display_name
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from cubicweb.selectors import no_cnx, one_line_rset
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from cubicweb.view import View
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from cubicweb.web import INTERNAL_FIELD_VALUE, stdmsgs
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from cubicweb.web.htmlwidgets import (BoxLink, BoxWidget, SideBoxWidget,
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                                      RawBoxItem, BoxSeparator)
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from cubicweb.web.action import UnregisteredAction
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def sort_by_category(actions, categories_in_order=None):
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    """return a list of (category, actions_sorted_by_title)"""
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    result = []
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    actions_by_cat = {}
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    for action in actions:
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        actions_by_cat.setdefault(action.category, []).append(
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            (action.title, action) )
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    for key, values in actions_by_cat.items():
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        actions_by_cat[key] = [act for title, act in sorted(values)]
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    if categories_in_order:
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        for cat in categories_in_order:
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            if cat in actions_by_cat:
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                result.append( (cat, actions_by_cat[cat]) )
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    for item in sorted(actions_by_cat.items()):
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        result.append(item)
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    return result
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# old box system, deprecated ###################################################
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class BoxTemplate(View):
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    """base template for boxes, usually a (contextual) list of possible
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    actions. Various classes attributes may be used to control the box
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    rendering.
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    You may override one of the formatting callbacks if this is not necessary
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    for your custom box.
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    Classes inheriting from this class usually only have to override call
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    to fetch desired actions, and then to do something like  ::
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        box.render(self.w)
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    """
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    __metaclass__ = class_deprecated
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    __deprecation_warning__ = '[3.10] *BoxTemplate classes are deprecated, use *CtxComponent instead (%(cls)s)'
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    __registry__ = 'ctxcomponents'
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    __select__ = ~no_cnx()
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    categories_in_order = ()
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    cw_property_defs = {
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        _('visible'): dict(type='Boolean', default=True,
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                           help=_('display the box or not')),
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        _('order'):   dict(type='Int', default=99,
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                           help=_('display order of the box')),
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        # XXX 'incontext' boxes are handled by the default primary view
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        _('context'): dict(type='String', default='left',
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                           vocabulary=(_('left'), _('incontext'), _('right')),
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                           help=_('context where this box should be displayed')),
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        }
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    context = 'left'
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    def sort_actions(self, actions):
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        """return a list of (category, actions_sorted_by_title)"""
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        return sort_by_category(actions, self.categories_in_order)
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    def mk_action(self, title, url, escape=True, **kwargs):
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        """factory function to create dummy actions compatible with the
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        .format_actions method
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        """
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        if escape:
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            title = xml_escape(title)
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        return self.box_action(self._action(title, url, **kwargs))
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    def _action(self, title, url, **kwargs):
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        return UnregisteredAction(self._cw, title, url, **kwargs)
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    # formating callbacks
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    def boxitem_link_tooltip(self, action):
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        if action.__regid__:
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            return u'keyword: %s' % action.__regid__
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        return u''
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    def box_action(self, action):
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        klass = getattr(action, 'html_class', lambda: None)()
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        return BoxLink(action.url(), self._cw._(action.title),
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                       klass, self.boxitem_link_tooltip(action))
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0
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class RQLBoxTemplate(BoxTemplate):
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    """abstract box for boxes displaying the content of a rql query not
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    related to the current result set.
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    """
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    rql  = None
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    def to_display_rql(self):
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        assert self.rql is not None, self.__regid__
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        return (self.rql,)
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    def call(self, **kwargs):
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        try:
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            rset = self._cw.execute(*self.to_display_rql())
0
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        except Unauthorized:
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            # can't access to something in the query, forget this box
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            return
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        if len(rset) == 0:
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            return
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        box = BoxWidget(self._cw._(self.title), self.__regid__)
0
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        for i, (teid, tname) in enumerate(rset):
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            entity = rset.get_entity(i, 0)
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            box.append(self.mk_action(tname, entity.absolute_url()))
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        box.render(w=self.w)
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class UserRQLBoxTemplate(RQLBoxTemplate):
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    """same as rql box template but the rql is build using the eid of the
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    request's user
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    """
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    def to_display_rql(self):
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        assert self.rql is not None, self.__regid__
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        return (self.rql, {'x': self._cw.user.eid})
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0
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class EntityBoxTemplate(BoxTemplate):
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    """base class for boxes related to a single entity"""
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    __select__ = BoxTemplate.__select__ & one_line_rset()
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    context = 'incontext'
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    def call(self, row=0, col=0, **kwargs):
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        """classes inheriting from EntityBoxTemplate should define cell_call"""
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        self.cell_call(row, col, **kwargs)
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from cubicweb.web.component import AjaxEditRelationCtxComponent, EditRelationMixIn
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class EditRelationBoxTemplate(EditRelationMixIn, EntityBoxTemplate):
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    """base class for boxes which let add or remove entities linked
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    by a given relation
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    subclasses should define at least id, rtype and target
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    class attributes.
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    """
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    def cell_call(self, row, col, view=None, **kwargs):
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        self._cw.add_js('cubicweb.ajax.js')
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        entity = self.cw_rset.get_entity(row, col)
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        title = display_name(self._cw, self.rtype, get_role(self),
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                             context=entity.__regid__)
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        box = SideBoxWidget(title, self.__regid__)
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        related = self.related_boxitems(entity)
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        unrelated = self.unrelated_boxitems(entity)
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        box.extend(related)
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        if related and unrelated:
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            box.append(BoxSeparator())
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        box.extend(unrelated)
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        box.render(self.w)
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    def box_item(self, entity, etarget, rql, label):
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        label = super(EditRelationBoxTemplate, self).box_item(
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            entity, etarget, rql, label)
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        return RawBoxItem(label, liclass=u'invisible')
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AjaxEditRelationBoxTemplate = class_renamed(
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    'AjaxEditRelationBoxTemplate', AjaxEditRelationCtxComponent,
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    '[3.10] AjaxEditRelationBoxTemplate has been renamed to AjaxEditRelationCtxComponent (%(cls)s)')
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