web/views/editforms.py
author sylvain.thenault@logilab.fr
Thu, 12 Mar 2009 16:29:00 +0100
branchtls-sprint
changeset 1091 b5e253c0dd13
child 1132 96752791c2b6
permissions -rw-r--r--
a bit of reorganisation inside web/views: * move all workflow related stuff into views/workflow.py * move all schema related stuff into views/schema.py * move all RSS related stuff into views/xmlrss.py * start new editforms module, designed to contains new automatic forms code
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"""Set of HTML automatic forms to create, delete, copy or edit a single entity
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or a list of entities of the same type
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:organization: Logilab
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:copyright: 2001-2009 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 copy import copy
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from simplejson import dumps
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from logilab.mtconverter import html_escape
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from logilab.common.decorators import cached
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from cubicweb.selectors import (specified_etype_implements, implements,
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                                match_kwargs, match_form_params, one_line_rset,
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                                non_final_entity, accepts_etype_compat)
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from cubicweb.utils import make_uid
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from cubicweb.view import View, EntityView
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from cubicweb.common import tags
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from cubicweb.common.uilib import cut
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from cubicweb.web import INTERNAL_FIELD_VALUE, stdmsgs, eid_param
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from cubicweb.web.controller import NAV_FORM_PARAMETERS
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from cubicweb.web.form import MultipleFieldsForm, EntityFieldsForm, FormMixIn, FormRenderer
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from cubicweb.web.formfields import StringField,  RichTextField, guess_field
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from cubicweb.web.formwidgets import HiddenInput
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_ = unicode
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class DeleteConfForm(EntityView):
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    id = 'deleteconf'
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    title = _('delete')
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    domid = 'deleteconf'
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    onsubmit = None
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    # don't use navigation, all entities asked to be deleted should be displayed
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    # else we will only delete the displayed page
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    need_navigation = False
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    def call(self):
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        """ask for confirmation before real deletion"""
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        req, w = self.req, self.w
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        _ = req._
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        w(u'<script type="text/javascript">updateMessage(\'%s\');</script>\n'
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          % _('this action is not reversible!'))
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        # XXX above message should have style of a warning
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        w(u'<h4>%s</h4>\n' % _('Do you want to delete the following element(s) ?'))
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        form = MultipleFieldsForm(req, domid='deleteconf', action=self.build_url('edit'),
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                                  onsubmit=self.onsubmit, copy_nav_params=True)
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        form.buttons.append(form.button_delete(label=stdmsgs.YES))
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        form.buttons.append(form.button_cancel(label=stdmsgs.NO))
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        done = set()
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        w(u'<ul>\n')
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        for i in xrange(self.rset.rowcount):
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            if self.rset[i][0] in done:
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                continue
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            done.add(self.rset[i][0])
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            entity = self.rset.get_entity(i, 0)
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            subform = EntityFieldsForm(req, set_error_url=False,
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                                       entity=entity)
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            form.form_add_subform(subform)
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            # don't use outofcontext view or any other that may contain inline edition form
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            w(u'<li>%s</li>' % tags.a(entity.view('textoutofcontext'),
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                                      href=entity.absolute_url()))
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        w(u'</ul>\n')
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        w(form.form_render())
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class ClickAndEditForm(FormMixIn, EntityView):
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    id = 'reledit'
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    __select__ = non_final_entity() & match_kwargs('rtype')
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    # FIXME editableField class could be toggleable from userprefs
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    def cell_call(self, row, col, rtype=None, role='subject', reload=False):
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        entity = self.entity(row, col)
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        if getattr(entity, rtype) is None:
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            value = self.req._('not specified')
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        else:
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            value = entity.printable_value(rtype)
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        if not entity.has_perm('update'):
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            self.w(value)
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            return
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        self.req.add_js( ('cubicweb.ajax.js',) )
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        eid = entity.eid
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        edit_key = make_uid('%s-%s' % (rtype, eid))
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        divid = 'd%s' % edit_key
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        reload = dumps(reload)
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        buttons = [tags.input(klass="validateButton", type="submit", name="__action_apply",
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                              value=self.req._(stdmsgs.BUTTON_OK), tabindex=self.req.next_tabindex()),
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                   tags.input(klass="validateButton", type="button",
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                              value=self.req._(stdmsgs.BUTTON_CANCEL),
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                              onclick="cancelInlineEdit(%s,\'%s\',\'%s\')" % (eid, rtype, divid),
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                              tabindex=self.req.next_tabindex())]
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        form = self.vreg.select_object('forms', 'edition', self.req, self.rset, row=row, col=col,
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                                       entity=entity, domid='%s-form' % divid, action='#',
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                                       cssstyle='display: none', buttons=buttons,
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                                       onsubmit="return inlineValidateForm('%(divid)s-form', '%(rtype)s', '%(eid)s', '%(divid)s', %(reload)s);" % locals())
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        renderer = FormRenderer(display_label=False, display_help=False,
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                                display_fields=(rtype,), button_bar_class='buttonbar')
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        self.w(tags.div(value, klass='editableField', id=divid,
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                        ondblclick="showInlineEditionForm(%(eid)s, '%(rtype)s', '%(divid)s')" % locals()))
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        self.w(form.render(renderer=renderer))
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class AutomaticEntityForm(EntityFieldsForm):
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    id = 'edition'
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    needs_js = EntityFieldsForm.needs_js + ('cubicweb.ajax.js',)
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    def __init__(self, *args, **kwargs):
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        super(AutomaticEntityForm, self).__init__(*args, **kwargs)
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        self.entity.complete()
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        for rschema, target in self.editable_attributes(entity):
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            field = guess_field(entity.__class__, entity.e_schema, rschema, target)
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            self.fields.append(field)
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    def form_buttons(self):
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        return [self.button_ok(tabindex=self.req.next_tabindex()),
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                self.button_apply(tabindex=self.req.next_tabindex()),
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                self.button_cancel(tabindex=self.req.next_tabindex())]
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    def editable_attributes(self, entity):
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        # XXX both (add, delete) required for non final relations
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        return [(rschema, x) for rschema, _, x in entity.relations_by_category(('primary', 'secondary'), 'add')
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                if rschema != 'eid']
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class _EditionForm(EntityView):
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    """primary entity edition form
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    When generating a new attribute_input, the editor will look for a method
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    named 'default_ATTRNAME' on the entity instance, where ATTRNAME is the
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    name of the attribute being edited. You may use this feature to compute
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    dynamic default values such as the 'tomorrow' date or the user's login
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    being connected
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    """    
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    id = 'edition'
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    __select__ = one_line_rset() & non_final_entity()
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    title = _('edition')
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    controller = 'edit'
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    skip_relations = FormMixIn.skip_relations.copy()
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    def cell_call(self, row, col, **kwargs):
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        self.req.add_js( ('cubicweb.ajax.js',) )
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        self.initialize_varmaker()
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        entity = self.complete_entity(row, col)
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    def initialize_varmaker(self):
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        varmaker = self.req.get_page_data('rql_varmaker')
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        if varmaker is None:
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            varmaker = self.req.varmaker
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            self.req.set_page_data('rql_varmaker', varmaker)
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        self.varmaker = varmaker
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    def edit_form(self, entity, kwargs):
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        form = EntityFieldsForm(self.req, entity=entity)
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        for rschema, target in self.editable_attributes(entity):
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            field = guess_field(entity.__class__, entity.e_schema, rschema, target)
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            form.fields.append(field)
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        form.buttons.append(form.button_ok())
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        form.buttons.append(form.button_apply())
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        form.buttons.append(form.button_cancel())
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        self.w(form.form_render())
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    def editable_attributes(self, entity):
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        # XXX both (add, delete)
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        return [(rschema, x) for rschema, _, x in entity.relations_by_category(('primary', 'secondary'), 'add')
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                if rschema != 'eid']