web/form.py
author sylvain.thenault@logilab.fr
Fri, 17 Apr 2009 11:13:44 +0200
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more docstring
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"""abstract form classes for CubicWeb web client
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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 warnings import warn
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from logilab.common.compat import any
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from logilab.common.decorators import iclassmethod
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from cubicweb.appobject import AppRsetObject
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from cubicweb.selectors import yes, non_final_entity, match_kwargs, one_line_rset
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from cubicweb.view import NOINDEX, NOFOLLOW
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from cubicweb.common import tags
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from cubicweb.web import INTERNAL_FIELD_VALUE, eid_param, stdmsgs
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from cubicweb.web.httpcache import NoHTTPCacheManager
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from cubicweb.web.controller import NAV_FORM_PARAMETERS
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from cubicweb.web.formfields import (Field, StringField, RelationField,
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                                     HiddenInitialValueField)
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from cubicweb.web.formrenderers import FormRenderer
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from cubicweb.web import formwidgets as fwdgs
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class FormViewMixIn(object):
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    """abstract form view mix-in"""
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    category = 'form'
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    controller = 'edit'
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    http_cache_manager = NoHTTPCacheManager
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    add_to_breadcrumbs = False
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    def __init__(self, req, rset, **kwargs):
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        super(FormViewMixIn, self).__init__(req, rset, **kwargs)
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        # get validation session data which may have been previously set.
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        # deleting validation errors here breaks form reloading (errors are
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        # no more available), they have to be deleted by application's publish
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        # method on successful commit
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        formurl = req.url()
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        forminfo = req.get_session_data(formurl)
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        if forminfo:
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            req.data['formvalues'] = forminfo['values']
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            req.data['formerrors'] = errex = forminfo['errors']
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            req.data['displayederrors'] = set()
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            # if some validation error occured on entity creation, we have to
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            # get the original variable name from its attributed eid
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            foreid = errex.entity
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            for var, eid in forminfo['eidmap'].items():
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                if foreid == eid:
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                    errex.eid = var
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                    break
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            else:
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                errex.eid = foreid
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    def html_headers(self):
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        """return a list of html headers (eg something to be inserted between
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        <head> and </head> of the returned page
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        by default forms are neither indexed nor followed
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        """
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        return [NOINDEX, NOFOLLOW]
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    def linkable(self):
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        """override since forms are usually linked by an action,
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        so we don't want them to be listed by appli.possible_views
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        """
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        return False
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# XXX should disappear 
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class FormMixIn(object):
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    """abstract form mix-in
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    XXX: you should inherit from this FIRST (obscure pb with super call)
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    """
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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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    # XXX deprecated with new form system. Should disappear
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    domid = 'entityForm'
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    category = 'form'
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    controller = 'edit'
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    http_cache_manager = NoHTTPCacheManager
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    add_to_breadcrumbs = False
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    def __init__(self, req, rset, **kwargs):
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        super(FormMixIn, self).__init__(req, rset, **kwargs)
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        # get validation session data which may have been previously set.
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        # deleting validation errors here breaks form reloading (errors are
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        # no more available), they have to be deleted by application's publish
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        # method on successful commit
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        formurl = req.url()
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        forminfo = req.get_session_data(formurl)
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        if forminfo:
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            req.data['formvalues'] = forminfo['values']
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            req.data['formerrors'] = errex = forminfo['errors']
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            req.data['displayederrors'] = set()
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            # if some validation error occured on entity creation, we have to
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            # get the original variable name from its attributed eid
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            foreid = errex.entity
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            for var, eid in forminfo['eidmap'].items():
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                if foreid == eid:
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                    errex.eid = var
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                    break
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            else:
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                errex.eid = foreid    
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    def html_headers(self):
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        """return a list of html headers (eg something to be inserted between
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        <head> and </head> of the returned page
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        by default forms are neither indexed nor followed
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        """
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        return [NOINDEX, NOFOLLOW]
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    def linkable(self):
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        """override since forms are usually linked by an action,
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        so we don't want them to be listed by appli.possible_views
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        """
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        return False
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    def button(self, label, klass='validateButton', tabindex=None, **kwargs):
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        if tabindex is None:
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            tabindex = self.req.next_tabindex()
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        return tags.input(value=label, klass=klass, **kwargs)
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    def action_button(self, label, onclick=None, __action=None, **kwargs):
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        if onclick is None:
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            onclick = "postForm('__action_%s', \'%s\', \'%s\')" % (
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                __action, label, self.domid)
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        return self.button(label, onclick=onclick, **kwargs)
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    def button_ok(self, label=None, type='submit', name='defaultsubmit',
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                  **kwargs):
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        label = self.req._(label or stdmsgs.BUTTON_OK).capitalize()
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        return self.button(label, name=name, type=type, **kwargs)
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    def button_apply(self, label=None, type='button', **kwargs):
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        label = self.req._(label or stdmsgs.BUTTON_APPLY).capitalize()
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        return self.action_button(label, __action='apply', type=type, **kwargs)
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    def button_delete(self, label=None, type='button', **kwargs):
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        label = self.req._(label or stdmsgs.BUTTON_DELETE).capitalize()
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        return self.action_button(label, __action='delete', type=type, **kwargs)
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    def button_cancel(self, label=None, type='button', **kwargs):
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        label = self.req._(label or stdmsgs.BUTTON_CANCEL).capitalize()
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        return self.action_button(label, __action='cancel', type=type, **kwargs)
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    def button_reset(self, label=None, type='reset', name='__action_cancel',
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                     **kwargs):
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        label = self.req._(label or stdmsgs.BUTTON_CANCEL).capitalize()
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        return self.button(label, type=type, **kwargs)
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    def need_multipart(self, entity, categories=('primary', 'secondary')):
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        """return a boolean indicating if form's enctype should be multipart
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        """
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        for rschema, _, x in entity.relations_by_category(categories):
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            if entity.get_widget(rschema, x).need_multipart:
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                return True
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        # let's find if any of our inlined entities needs multipart
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        for rschema, targettypes, x in entity.relations_by_category('inlineview'):
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            assert len(targettypes) == 1, \
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                   "I'm not able to deal with several targets and inlineview"
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            ttype = targettypes[0]
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            inlined_entity = self.vreg.etype_class(ttype)(self.req, None, None)
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            for irschema, _, x in inlined_entity.relations_by_category(categories):
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                if inlined_entity.get_widget(irschema, x).need_multipart:
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                    return True
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        return False
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0
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    def error_message(self):
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        """return formatted error message
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        This method should be called once inlined field errors has been consumed
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        """
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        errex = self.req.data.get('formerrors')
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        # get extra errors
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        if errex is not None:
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            errormsg = self.req._('please correct the following errors:')
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            displayed = self.req.data['displayederrors']
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            errors = sorted((field, err) for field, err in errex.errors.items()
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                            if not field in displayed)
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            if errors:
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                if len(errors) > 1:
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                    templstr = '<li>%s</li>\n' 
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                else:
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                    templstr = '&nbsp;%s\n'
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                for field, err in errors:
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                    if field is None:
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                        errormsg += templstr % err
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                    else:
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                        errormsg += templstr % '%s: %s' % (self.req._(field), err)
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                if len(errors) > 1:
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                    errormsg = '<ul>%s</ul>' % errormsg
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            return u'<div class="errorMessage">%s</div>' % errormsg
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        return u''
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###############################################################################
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class metafieldsform(type):
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    def __new__(mcs, name, bases, classdict):
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        allfields = []
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        for base in bases:
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            if hasattr(base, '_fields_'):
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                allfields += base._fields_
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        clsfields = (item for item in classdict.items()
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                     if isinstance(item[1], Field))
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        for fieldname, field in sorted(clsfields, key=lambda x: x[1].creation_rank):
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            if not field.name:
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                field.set_name(fieldname)
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            allfields.append(field)
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        classdict['_fields_'] = allfields
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        return super(metafieldsform, mcs).__new__(mcs, name, bases, classdict)
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class FieldNotFound(Exception):
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    """raised by field_by_name when a field with the given name has not been
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    found
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    """
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class FieldsForm(FormMixIn, AppRsetObject):
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    __metaclass__ = metafieldsform
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    __registry__ = 'forms'
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    __select__ = yes()
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    is_subform = False
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    # attributes overrideable through __init__
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    internal_fields = ('__errorurl',) + NAV_FORM_PARAMETERS
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    needs_js = ('cubicweb.ajax.js', 'cubicweb.edition.js',)
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    needs_css = ('cubicweb.form.css',)
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    domid = 'form'
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    title = None
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    action = None
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    onsubmit = "return freezeFormButtons('%(domid)s');"
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    cssclass = None
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    cssstyle = None
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    cwtarget = None
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    redirect_path = None
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    set_error_url = True
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    copy_nav_params = False
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    form_buttons = None # form buttons (button widgets instances)
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    def __init__(self, req, rset=None, row=None, col=None, submitmsg=None,
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                 **kwargs):
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        super(FieldsForm, self).__init__(req, rset, row=row, col=col)
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        for key, val in kwargs.items():
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            assert hasattr(self.__class__, key) and not key[0] == '_', key
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            setattr(self, key, val)
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        self.fields = list(self.__class__._fields_)
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        if self.set_error_url:
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            self.form_add_hidden('__errorurl', req.url())
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        if self.copy_nav_params:
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            for param in NAV_FORM_PARAMETERS:
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                value = kwargs.get(param, req.form.get(param))
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                if value:
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                    self.form_add_hidden(param, value)
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        if submitmsg is not None:
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            self.form_add_hidden('__message', submitmsg)
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        self.context = None
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    @iclassmethod
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    def field_by_name(cls_or_self, name, role='subject'):
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        """return field with the given name and role"""
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        if isinstance(cls_or_self, type):
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            fields = cls_or_self._fields_
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        else:
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            fields = cls_or_self.fields
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        for field in fields:
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            if field.name == name and field.role == role:
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                return field
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        raise FieldNotFound(name)
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    @iclassmethod
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    def remove_field(cls_or_self, field):
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        """remove a field from form class or instance"""
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        if isinstance(cls_or_self, type):
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            fields = cls_or_self._fields_
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        else:
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            fields = cls_or_self.fields
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        fields.remove(field)
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    @iclassmethod
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    def append_field(cls_or_self, field):
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        """append a field to form class or instance"""
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        if isinstance(cls_or_self, type):
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            fields = cls_or_self._fields_
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        else:
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            fields = cls_or_self.fields
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        fields.append(field)
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   299
    
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    @property
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    def form_needs_multipart(self):
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        """true if the form needs enctype=multipart/form-data"""
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        return any(field.needs_multipart for field in self.fields) 
0
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    def form_add_hidden(self, name, value=None, **kwargs):
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        """add an hidden field to the form"""
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        field = StringField(name=name, widget=fwdgs.HiddenInput, initial=value,
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                            **kwargs)
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        if 'id' in kwargs:
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            # by default, hidden input don't set id attribute. If one is
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            # explicitly specified, ensure it will be set
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            field.widget.setdomid = True
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        self.fields.append(field)
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        return field
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   315
    
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    def add_media(self):
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        """adds media (CSS & JS) required by this widget"""
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   318
        if self.needs_js:
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            self.req.add_js(self.needs_js)
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   320
        if self.needs_css:
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   321
            self.req.add_css(self.needs_css)
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   322
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   323
    def form_render(self, **values):
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   324
        """render this form, using the renderer given in args or the default
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   325
        FormRenderer()
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   326
        """
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   327
        renderer = values.pop('renderer', FormRenderer())
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        return renderer.render(self, values)
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   329
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   330
    def form_build_context(self, rendervalues=None):
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   331
        """build form context values (the .context attribute which is a
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   332
        dictionary with field instance as key associated to a dictionary
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   333
        containing field 'name' (qualified), 'id', 'value' (for display, always
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   334
        a string).
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   335
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   336
        rendervalues is an optional dictionary containing extra kwargs given to
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   337
        form_render()
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   338
        """
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   339
        self.context = context = {}
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   340
        # on validation error, we get a dictionnary of previously submitted values
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   341
        if values is None:
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   342
            values = {}
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   343
        previous_values = self.req.data.get('formvalues')
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   344
        if previous_values:
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   345
            values.update(previous_values)
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   346
        for field in self.fields:
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diff changeset
   347
            for field in field.actual_fields(self):
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diff changeset
   348
                field.form_init(self)
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   349
                value = self.form_field_value(field, values)
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   350
                context[field] = {'value': field.format_value(self.req, value),
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   351
                                  'rawvalue': value,
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                                  'name': self.form_field_name(field),
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   353
                                  'id': self.form_field_id(field),
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   354
                                  }
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   355
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diff changeset
   356
    def form_field_value(self, field, values, load_bytes=False):
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   357
        """looks for field's value in
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   358
        1. kw args given to render_form (including previously submitted form
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diff changeset
   359
           values if any)
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diff changeset
   360
        2. req.form
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   361
        3. default_<fieldname> attribute / method on the form
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        4. field's initial value
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diff changeset
   363
        """
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diff changeset
   364
        defaultattr = 'default_%s' % field.name
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diff changeset
   365
        if field.name in values:
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diff changeset
   366
            value = values[field.name]
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   367
        elif field.name in self.req.form:
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   368
            value = self.req.form[field.name]
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   369
        elif hasattr(self, defaultattr):
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diff changeset
   370
            value = getattr(self, defaultattr)
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            if callable(value):
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diff changeset
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                value = value()
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   373
        else:
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diff changeset
   374
            value = field.initial
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            if callable(value):
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diff changeset
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                value = value(self)
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   377
        return value
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   378
    
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   379
    def form_field_error(self, field):
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   380
        """return validation error for widget's field, if any"""
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        errex = self.req.data.get('formerrors')
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   382
        if errex and field.name in errex.errors:
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diff changeset
   383
            self.req.data['displayederrors'].add(field.name)
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   384
            return u'<span class="error">%s</span>' % errex.errors[field.name]
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   385
        return u''
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diff changeset
   386
1060
d795477ad16b rename method to form_field_format
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diff changeset
   387
    def form_field_format(self, field):
892
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diff changeset
   388
        return self.req.property_value('ui.default-text-format')
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   389
    
1061
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   390
    def form_field_encoding(self, field):
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   391
        return self.req.encoding
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   392
    
849
8591d896db7e update some prototype, ChangeStateForm
sylvain.thenault@logilab.fr
parents: 848
diff changeset
   393
    def form_field_name(self, field):
847
27c4ebe90d03 prefixed form methods to avoid potential conflicts with field names, button related method, a bit more serious renderer
sylvain.thenault@logilab.fr
parents: 844
diff changeset
   394
        return field.name
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   395
849
8591d896db7e update some prototype, ChangeStateForm
sylvain.thenault@logilab.fr
parents: 848
diff changeset
   396
    def form_field_id(self, field):
847
27c4ebe90d03 prefixed form methods to avoid potential conflicts with field names, button related method, a bit more serious renderer
sylvain.thenault@logilab.fr
parents: 844
diff changeset
   397
        return field.id
27c4ebe90d03 prefixed form methods to avoid potential conflicts with field names, button related method, a bit more serious renderer
sylvain.thenault@logilab.fr
parents: 844
diff changeset
   398
   
1183
62afd820d3ae field_by_name now takes a "role" argument, override it in AutomaticForm to call guess field if necessary
sylvain.thenault@logilab.fr
parents: 1175
diff changeset
   399
    def form_field_vocabulary(self, field, limit=None):
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   400
        raise NotImplementedError
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   401
869
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   402
   
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   403
class EntityFieldsForm(FieldsForm):
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   404
    __select__ = (match_kwargs('entity') | (one_line_rset & non_final_entity()))
892
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   405
    
1082
07c21784787b more rendering control
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   406
    internal_fields = FieldsForm.internal_fields + ('__type', 'eid')
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   407
    domid = 'entityForm'
1082
07c21784787b more rendering control
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   408
    
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   409
    def __init__(self, *args, **kwargs):
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   410
        self.edited_entity = kwargs.pop('entity', None)
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   411
        msg = kwargs.pop('submitmsg', None)
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   412
        super(EntityFieldsForm, self).__init__(*args, **kwargs)
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   413
        if self.edited_entity is None:
1369
49497136e977 must specify col where entity's eid is
sylvain.thenault@logilab.fr
parents: 1360
diff changeset
   414
            self.edited_entity = self.complete_entity(self.row, self.col)
887
51e371245bc5 various fixes to have change state and deletion forms working
sylvain.thenault@logilab.fr
parents: 874
diff changeset
   415
        self.form_add_hidden('__type', eidparam=True)
51e371245bc5 various fixes to have change state and deletion forms working
sylvain.thenault@logilab.fr
parents: 874
diff changeset
   416
        self.form_add_hidden('eid')
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   417
        if msg is not None:
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   418
            # If we need to directly attach the new object to another one
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   419
            for linkto in self.req.list_form_param('__linkto'):
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   420
                self.form_add_hidden('__linkto', linkto)
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   421
                msg = '%s %s' % (msg, self.req._('and linked'))
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   422
            self.form_add_hidden('__message', msg)
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   423
        
1315
86bddd181e03 should set None as default here as well
sylvain.thenault@logilab.fr
parents: 1312
diff changeset
   424
    def form_build_context(self, values=None):
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   425
        self.form_add_entity_hiddens(self.edited_entity.e_schema)
1308
3d01229d9f6a override form_build_context instead of form_render so we get sure to call form_add_entity_hiddens even on subforms
sylvain.thenault@logilab.fr
parents: 1305
diff changeset
   426
        return super(EntityFieldsForm, self).form_build_context(values)
869
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   427
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   428
    def form_add_entity_hiddens(self, eschema):
863
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   429
        for field in self.fields[:]:
894
e1f848785e3d test and fixes
sylvain.thenault@logilab.fr
parents: 892
diff changeset
   430
            for field in field.actual_fields(self):
892
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   431
                fieldname = field.name
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   432
                if fieldname != 'eid' and (
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   433
                    (eschema.has_subject_relation(fieldname) or
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   434
                     eschema.has_object_relation(fieldname))):
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   435
                    field.eidparam = True
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   436
                    self.fields.append(self.form_entity_hidden_field(field))
863
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   437
869
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   438
    def form_entity_hidden_field(self, field):
863
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   439
        """returns the hidden field which will indicate the value
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   440
        before the modification
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   441
        """
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   442
        # Only RelationField has a `role` attribute, others are used
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   443
        # to describe attribute fields => role is 'subject'
869
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   444
        if getattr(field, 'role', 'subject') == 'subject':
863
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   445
            name = 'edits-%s' % field.name
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   446
        else:
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   447
            name = 'edito-%s' % field.name
898
583f64567256 fix HiddenRelationField bug
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 897
diff changeset
   448
        return HiddenInitialValueField(field, name=name)
869
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   449
        
1061
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   450
    def form_field_value(self, field, values, load_bytes=False):
848
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   451
        """look for field's value with the following rules:
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   452
        1. handle special __type and eid fields
849
8591d896db7e update some prototype, ChangeStateForm
sylvain.thenault@logilab.fr
parents: 848
diff changeset
   453
        2. looks in kw args given to render_form (including previously submitted
8591d896db7e update some prototype, ChangeStateForm
sylvain.thenault@logilab.fr
parents: 848
diff changeset
   454
           form values if any)
848
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   455
        3. looks in req.form
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   456
        4. if entity has an eid:
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   457
             1. looks for an associated attribute / method
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   458
             2. use field's initial value
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   459
           else:
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   460
             1. looks for a default_<fieldname> attribute / method on the form
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   461
             2. use field's initial value
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   462
             
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   463
        values found in step 4 may be a callable which'll then be called.
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   464
        """
863
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   465
        fieldname = field.name
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   466
        if fieldname.startswith('edits-') or fieldname.startswith('edito-'):
888
603327e9aef4 fix field value for hidden edit[s|à] fields
sylvain.thenault@logilab.fr
parents: 887
diff changeset
   467
            # edit[s|o]- fieds must have the actual value stored on the entity
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   468
            if hasattr(field, 'visible_field'):
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   469
                if self.edited_entity.has_eid():
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   470
                    value = self._form_field_entity_value(field.visible_field,
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   471
                                                          default_initial=False)
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   472
                else:
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   473
                    value = INTERNAL_FIELD_VALUE
888
603327e9aef4 fix field value for hidden edit[s|à] fields
sylvain.thenault@logilab.fr
parents: 887
diff changeset
   474
            else:
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   475
                value = field.initial
863
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   476
        elif fieldname == '__type':
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   477
            value = self.edited_entity.id
863
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   478
        elif fieldname == 'eid':
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   479
            value = self.edited_entity.eid
863
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   480
        elif fieldname in values:
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   481
            value = values[fieldname]
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   482
        elif fieldname in self.req.form:
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   483
            value = self.req.form[fieldname]
848
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   484
        else:
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   485
            if self.edited_entity.has_eid() and field.eidparam:
848
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   486
                # use value found on the entity or field's initial value if it's
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   487
                # not an attribute of the entity (XXX may conflicts and get
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   488
                # undesired value)
1061
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   489
                value = self._form_field_entity_value(field, default_initial=True,
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   490
                                                      load_bytes=load_bytes)
848
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   491
            else:
863
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   492
                defaultattr = 'default_%s' % fieldname
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   493
                if hasattr(self.edited_entity, defaultattr):
848
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   494
                    # XXX bw compat, default_<field name> on the entity
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   495
                    warn('found %s on %s, should be set on a specific form'
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   496
                         % (defaultattr, self.edited_entity.id), DeprecationWarning)
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   497
                    value = getattr(self.edited_entity, defaultattr)
848
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   498
                elif hasattr(self, defaultattr):
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   499
                    # search for default_<field name> on the form instance
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   500
                    value = getattr(self, defaultattr)
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   501
                else:
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   502
                    # use field's initial value
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   503
                    value = field.initial
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   504
            if callable(value):
1386
8ba1f0d36c7e initial form values can now also be a callable of the field or the form itself
Florent <florent@secondweb.fr>
parents: 1369
diff changeset
   505
                value = value(self)
897
f5b91f11d8b6 provide basic methods to build fields from schema constraints / cardinality
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 896
diff changeset
   506
        return value
892
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   507
    
1060
d795477ad16b rename method to form_field_format
sylvain.thenault@logilab.fr
parents: 1059
diff changeset
   508
    def form_field_format(self, field):
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   509
        entity = self.edited_entity
1107
961a478593a5 has_metadata is a schema method
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   510
        if field.eidparam and entity.e_schema.has_metadata(field.name, 'format') and (
892
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   511
            entity.has_eid() or '%s_format' % field.name in entity):
1360
13ae1121835e rename attribute_metadata method to attr_metadata to save a few chars
sylvain.thenault@logilab.fr
parents: 1338
diff changeset
   512
            return self.edited_entity.attr_metadata(field.name, 'format')
892
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   513
        return self.req.property_value('ui.default-text-format')
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   514
1061
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   515
    def form_field_encoding(self, field):
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   516
        entity = self.edited_entity
1107
961a478593a5 has_metadata is a schema method
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   517
        if field.eidparam and entity.e_schema.has_metadata(field.name, 'encoding') and (
1061
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   518
            entity.has_eid() or '%s_encoding' % field.name in entity):
1360
13ae1121835e rename attribute_metadata method to attr_metadata to save a few chars
sylvain.thenault@logilab.fr
parents: 1338
diff changeset
   519
            return self.edited_entity.attr_metadata(field.name, 'encoding')
1061
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   520
        return super(EntityFieldsForm, self).form_field_encoding(field)
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   521
    
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   522
    def form_field_error(self, field):
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   523
        """return validation error for widget's field, if any"""
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   524
        errex = self.req.data.get('formerrors')
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   525
        if errex and errex.eid == self.edited_entity.eid and field.name in errex.errors:
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   526
            self.req.data['displayederrors'].add(field.name)
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   527
            return u'<span class="error">%s</span>' % errex.errors[field.name]
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   528
        return u''
1061
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   529
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   530
    def _form_field_entity_value(self, field, default_initial=True, load_bytes=False):
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   531
        attr = field.name
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   532
        entity = self.edited_entity
888
603327e9aef4 fix field value for hidden edit[s|à] fields
sylvain.thenault@logilab.fr
parents: 887
diff changeset
   533
        if field.role == 'object':
1049
f8e92c2f3bef fix attribute name for object relation
sylvain.thenault@logilab.fr
parents: 1048
diff changeset
   534
            attr = 'reverse_' + attr
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   535
        elif entity.e_schema.subject_relation(attr).is_final():
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   536
            attrtype = entity.e_schema.destination(attr)
907
192800415f59 FileField backport
sylvain.thenault@logilab.fr
parents: 905
diff changeset
   537
            if attrtype == 'Password':
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   538
                return entity.has_eid() and INTERNAL_FIELD_VALUE or ''
907
192800415f59 FileField backport
sylvain.thenault@logilab.fr
parents: 905
diff changeset
   539
            if attrtype == 'Bytes':
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   540
                if entity.has_eid():
1061
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   541
                    if load_bytes:
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   542
                        return getattr(entity, attr)
1061
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   543
                    # XXX value should reflect if some file is already attached
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   544
                    return True
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   545
                return False
888
603327e9aef4 fix field value for hidden edit[s|à] fields
sylvain.thenault@logilab.fr
parents: 887
diff changeset
   546
        if default_initial:
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   547
            value = getattr(entity, attr, field.initial)
888
603327e9aef4 fix field value for hidden edit[s|à] fields
sylvain.thenault@logilab.fr
parents: 887
diff changeset
   548
        else:
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   549
            value = getattr(entity, attr)
903
63a8ab7eeb9c The value as returned by FieldWidget._render_attrs() is now always a list
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 902
diff changeset
   550
        if isinstance(field, RelationField):
63a8ab7eeb9c The value as returned by FieldWidget._render_attrs() is now always a list
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 902
diff changeset
   551
            # in this case, value is the list of related entities
63a8ab7eeb9c The value as returned by FieldWidget._render_attrs() is now always a list
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 902
diff changeset
   552
            value = [ent.eid for ent in value]
63a8ab7eeb9c The value as returned by FieldWidget._render_attrs() is now always a list
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 902
diff changeset
   553
        return value
63a8ab7eeb9c The value as returned by FieldWidget._render_attrs() is now always a list
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 902
diff changeset
   554
    
849
8591d896db7e update some prototype, ChangeStateForm
sylvain.thenault@logilab.fr
parents: 848
diff changeset
   555
    def form_field_name(self, field):
847
27c4ebe90d03 prefixed form methods to avoid potential conflicts with field names, button related method, a bit more serious renderer
sylvain.thenault@logilab.fr
parents: 844
diff changeset
   556
        if field.eidparam:
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   557
            return eid_param(field.name, self.edited_entity.eid)
847
27c4ebe90d03 prefixed form methods to avoid potential conflicts with field names, button related method, a bit more serious renderer
sylvain.thenault@logilab.fr
parents: 844
diff changeset
   558
        return field.name
27c4ebe90d03 prefixed form methods to avoid potential conflicts with field names, button related method, a bit more serious renderer
sylvain.thenault@logilab.fr
parents: 844
diff changeset
   559
849
8591d896db7e update some prototype, ChangeStateForm
sylvain.thenault@logilab.fr
parents: 848
diff changeset
   560
    def form_field_id(self, field):
847
27c4ebe90d03 prefixed form methods to avoid potential conflicts with field names, button related method, a bit more serious renderer
sylvain.thenault@logilab.fr
parents: 844
diff changeset
   561
        if field.eidparam:
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   562
            return eid_param(field.id, self.edited_entity.eid)
847
27c4ebe90d03 prefixed form methods to avoid potential conflicts with field names, button related method, a bit more serious renderer
sylvain.thenault@logilab.fr
parents: 844
diff changeset
   563
        return field.id
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   564
        
1031
1a89683cb687 restore limit on form_field_vocabulary, actually used
sylvain.thenault@logilab.fr
parents: 1016
diff changeset
   565
    def form_field_vocabulary(self, field, limit=None):
903
63a8ab7eeb9c The value as returned by FieldWidget._render_attrs() is now always a list
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 902
diff changeset
   566
        role, rtype = field.role, field.name
1265
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1184
diff changeset
   567
        method = '%s_%s_vocabulary' % (role, rtype)
903
63a8ab7eeb9c The value as returned by FieldWidget._render_attrs() is now always a list
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 902
diff changeset
   568
        try:
1265
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1184
diff changeset
   569
            vocabfunc = getattr(self, method)
903
63a8ab7eeb9c The value as returned by FieldWidget._render_attrs() is now always a list
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 902
diff changeset
   570
        except AttributeError:
1265
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1184
diff changeset
   571
            try:
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1184
diff changeset
   572
                # XXX bw compat, <role>_<rtype>_vocabulary on the entity
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1184
diff changeset
   573
                vocabfunc = getattr(self.edited_entity, method)
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1184
diff changeset
   574
            except AttributeError:
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1184
diff changeset
   575
                vocabfunc = getattr(self, '%s_relation_vocabulary' % role)
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1184
diff changeset
   576
            else:
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1184
diff changeset
   577
                warn('found %s on %s, should be set on a specific form'
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1184
diff changeset
   578
                     % (method, self.edited_entity.id), DeprecationWarning)
1009
bcd0c3ae1935 typos, backport comment
sylvain.thenault@logilab.fr
parents: 944
diff changeset
   579
        # NOTE: it is the responsibility of `vocabfunc` to sort the result
bcd0c3ae1935 typos, backport comment
sylvain.thenault@logilab.fr
parents: 944
diff changeset
   580
        #       (direclty through RQL or via a python sort). This is also
bcd0c3ae1935 typos, backport comment
sylvain.thenault@logilab.fr
parents: 944
diff changeset
   581
        #       important because `vocabfunc` might return a list with
bcd0c3ae1935 typos, backport comment
sylvain.thenault@logilab.fr
parents: 944
diff changeset
   582
        #       couples (label, None) which act as separators. In these
bcd0c3ae1935 typos, backport comment
sylvain.thenault@logilab.fr
parents: 944
diff changeset
   583
        #       cases, it doesn't make sense to sort results afterwards.
1031
1a89683cb687 restore limit on form_field_vocabulary, actually used
sylvain.thenault@logilab.fr
parents: 1016
diff changeset
   584
        return vocabfunc(rtype, limit)
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   585
902
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   586
    def subject_relation_vocabulary(self, rtype, limit=None):
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   587
        """defaut vocabulary method for the given relation, looking for
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   588
        relation's object entities (i.e. self is the subject)
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   589
        """
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   590
        entity = self.edited_entity
902
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   591
        if isinstance(rtype, basestring):
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   592
            rtype = entity.schema.rschema(rtype)
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   593
        done = None
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   594
        assert not rtype.is_final(), rtype
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   595
        if entity.has_eid():
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   596
            done = set(e.eid for e in getattr(entity, str(rtype)))
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   597
        result = []
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   598
        rsetsize = None
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   599
        for objtype in rtype.objects(entity.e_schema):
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   600
            if limit is not None:
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   601
                rsetsize = limit - len(result)
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   602
            result += self.relation_vocabulary(rtype, objtype, 'subject',
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   603
                                               rsetsize, done)
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   604
            if limit is not None and len(result) >= limit:
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   605
                break
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   606
        return result
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   607
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   608
    def object_relation_vocabulary(self, rtype, limit=None):
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   609
        """defaut vocabulary method for the given relation, looking for
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   610
        relation's subject entities (i.e. self is the object)
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   611
        """
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   612
        entity = self.edited_entity
902
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   613
        if isinstance(rtype, basestring):
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   614
            rtype = entity.schema.rschema(rtype)
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   615
        done = None
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   616
        if entity.has_eid():
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   617
            done = set(e.eid for e in getattr(entity, 'reverse_%s' % rtype))
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   618
        result = []
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   619
        rsetsize = None
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   620
        for subjtype in rtype.subjects(entity.e_schema):
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   621
            if limit is not None:
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   622
                rsetsize = limit - len(result)
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   623
            result += self.relation_vocabulary(rtype, subjtype, 'object',
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   624
                                               rsetsize, done)
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   625
            if limit is not None and len(result) >= limit:
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   626
                break
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   627
        return result
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   628
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   629
    def relation_vocabulary(self, rtype, targettype, role,
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   630
                            limit=None, done=None):
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   631
        if done is None:
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   632
            done = set()
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   633
        rset = self.edited_entity.unrelated(rtype, targettype, role, limit)
902
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   634
        res = []
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   635
        for entity in rset.entities():
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   636
            if entity.eid in done:
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   637
                continue
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   638
            done.add(entity.eid)
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   639
            res.append((entity.view('combobox'), entity.eid))
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   640
        return res
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   641
1175
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   642
    def subject_in_state_vocabulary(self, rschema, limit=None):
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   643
        """vocabulary method for the in_state relation, looking for
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   644
        relation's object entities (i.e. self is the subject) according
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   645
        to initial_state, state_of and next_state relation
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   646
        """
1184
a33deae7c6a2 oops, this method doesn't belong anymore to entity class
sylvain.thenault@logilab.fr
parents: 1183
diff changeset
   647
        entity = self.edited_entity
a33deae7c6a2 oops, this method doesn't belong anymore to entity class
sylvain.thenault@logilab.fr
parents: 1183
diff changeset
   648
        if not entity.has_eid() or not entity.in_state:
1175
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   649
            # get the initial state
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   650
            rql = 'Any S where S state_of ET, ET name %(etype)s, ET initial_state S'
1184
a33deae7c6a2 oops, this method doesn't belong anymore to entity class
sylvain.thenault@logilab.fr
parents: 1183
diff changeset
   651
            rset = self.req.execute(rql, {'etype': str(entity.e_schema)})
1175
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   652
            if rset:
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   653
                return [(rset.get_entity(0, 0).view('combobox'), rset[0][0])]
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   654
            return []
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   655
        results = []
1184
a33deae7c6a2 oops, this method doesn't belong anymore to entity class
sylvain.thenault@logilab.fr
parents: 1183
diff changeset
   656
        for tr in entity.in_state[0].transitions(entity):
1175
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   657
            state = tr.destination_state[0]
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   658
            results.append((state.view('combobox'), state.eid))
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   659
        return sorted(results)
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   660
869
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   661
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   662
class CompositeForm(FieldsForm):
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   663
    """form composed for sub-forms"""
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   664
    
869
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   665
    def __init__(self, *args, **kwargs):
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   666
        super(CompositeForm, self).__init__(*args, **kwargs)
869
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   667
        self.forms = []
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   668
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   669
    def form_add_subform(self, subform):
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   670
        subform.is_subform = True
869
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   671
        self.forms.append(subform)