web/form.py
author Aurelien Campeas <aurelien.campeas@logilab.fr>
Wed, 27 May 2009 18:51:36 +0200
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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 import formrenderers
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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 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 session_key(self):
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        """return the key that may be used to store / retreive data about a
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        previous post which failed because of a validation error
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        """
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        return '%s#%s' % (self.req.url(), self.domid)
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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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        self.restore_previous_post(self.session_key())
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    def restore_previous_post(self, sessionkey):
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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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        forminfo = self.req.get_session_data(sessionkey, pop=True)
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        if forminfo:
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            # XXX remove req.data assigment once cw.web.widget is killed
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            self.req.data['formvalues'] = self.form_previous_values = forminfo['values']
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            self.req.data['formerrors'] = self.form_valerror = forminfo['errors']
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            self.req.data['displayederrors'] = self.form_displayed_errors = 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 = self.form_valerror.entity
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            for var, eid in forminfo['eidmap'].items():
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                if foreid == eid:
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                    self.form_valerror.eid = var
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                    break
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            else:
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                self.form_valerror.eid = foreid
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        else:
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            self.form_previous_values = {}
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            self.form_valerror = None
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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 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') or self.form_valerror
0
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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.get('displayederrors') or self.form_displayed_errors
0
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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'
0
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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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    """metaclass for FieldsForm to retrieve fields defined as class attributes
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    and put them into a single ordered list: '_fields_'.
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    """
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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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    renderer_cls = formrenderers.FormRenderer
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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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        self.fields = list(self.__class__._fields_)
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        for key, val in kwargs.items():
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            if key in NAV_FORM_PARAMETERS:
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                self.form_add_hidden(key, val)
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            else:
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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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        if self.set_error_url:
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            self.form_add_hidden('__errorurl', self.session_key())
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        if self.copy_nav_params:
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            for param in NAV_FORM_PARAMETERS:
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                if not param in kwargs:
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                    value = 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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        if 'domid' in kwargs:# session key changed
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            self.restore_previous_post(self.session_key())
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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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        Raise FieldNotFound if the field can't be found.
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        """
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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 fields_by_name(cls_or_self, name, role='subject'):
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        """return a list of fields 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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        return [field for field in fields
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                if field.name == name and field.role == role]
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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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    @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)
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b97547f5f1fa Showtime !
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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.append_field(field)
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   319
        return field
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   321
    def add_media(self):
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   322
        """adds media (CSS & JS) required by this widget"""
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   323
        if self.needs_js:
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   324
            self.req.add_js(self.needs_js)
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   325
        if self.needs_css:
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   326
            self.req.add_css(self.needs_css)
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   327
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   328
    def form_render(self, **values):
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   329
        """render this form, using the renderer given in args or the default
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        FormRenderer()
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   331
        """
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   332
        renderer = values.pop('renderer', self.renderer_cls())
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   333
        return renderer.render(self, values)
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   334
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   335
    def form_build_context(self, rendervalues=None):
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   336
        """build form context values (the .context attribute which is a
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   337
        dictionary with field instance as key associated to a dictionary
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   338
        containing field 'name' (qualified), 'id', 'value' (for display, always
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   339
        a string).
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   341
        rendervalues is an optional dictionary containing extra kwargs given to
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   342
        form_render()
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   343
        """
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   344
        self.context = context = {}
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   345
        # ensure rendervalues is a dict
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   346
        if rendervalues is None:
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   347
            rendervalues = {}
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diff changeset
   348
        # use a copy in case fields are modified while context is build (eg
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diff changeset
   349
        # __linkto handling for instance)
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   350
        for field in self.fields[:]:
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   351
            for field in field.actual_fields(self):
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diff changeset
   352
                field.form_init(self)
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   353
                value = self.form_field_display_value(field, rendervalues)
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                context[field] = {'value': value,
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                                  'name': self.form_field_name(field),
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   356
                                  'id': self.form_field_id(field),
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diff changeset
   357
                                  }
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   358
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   359
    def form_field_display_value(self, field, rendervalues, load_bytes=False):
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   360
        """return field's *string* value to use for display
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   361
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   362
        looks in
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   363
        1. previously submitted form values if any (eg on validation error)
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   364
        2. req.form
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   365
        3. extra kw args given to render_form
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   366
        4. field's typed value
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   367
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   368
        values found in 1. and 2. are expected te be already some 'display'
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        value while those found in 3. and 4. are expected to be correctly typed.
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   370
        """
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        value = self._req_display_value(field)
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   372
        if value is None:
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   373
            if field.name in rendervalues:
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                value = rendervalues[field.name]
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   375
            else:
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   376
                value = self.form_field_value(field, load_bytes)
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parents: 1391
diff changeset
   377
                if callable(value):
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   378
                    value = value(self)
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   379
            if value != INTERNAL_FIELD_VALUE:
1392
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   380
                value = field.format_value(self.req, value)
897
f5b91f11d8b6 provide basic methods to build fields from schema constraints / cardinality
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 896
diff changeset
   381
        return value
1392
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   382
1755
1bd225376013 consider __linkto in form_field_display_value
sylvain.thenault@logilab.fr
parents: 1710
diff changeset
   383
    def _req_display_value(self, field):
1bd225376013 consider __linkto in form_field_display_value
sylvain.thenault@logilab.fr
parents: 1710
diff changeset
   384
        qname = self.form_field_name(field)
1bd225376013 consider __linkto in form_field_display_value
sylvain.thenault@logilab.fr
parents: 1710
diff changeset
   385
        if qname in self.form_previous_values:
1bd225376013 consider __linkto in form_field_display_value
sylvain.thenault@logilab.fr
parents: 1710
diff changeset
   386
            return self.form_previous_values[qname]
1bd225376013 consider __linkto in form_field_display_value
sylvain.thenault@logilab.fr
parents: 1710
diff changeset
   387
        if qname in self.req.form:
1bd225376013 consider __linkto in form_field_display_value
sylvain.thenault@logilab.fr
parents: 1710
diff changeset
   388
            return self.req.form[qname]
1843
646c2dd1f03e #343290: inputs don't use value specified in URL
sylvain.thenault@logilab.fr
parents: 1756
diff changeset
   389
        if field.name in self.req.form:
646c2dd1f03e #343290: inputs don't use value specified in URL
sylvain.thenault@logilab.fr
parents: 1756
diff changeset
   390
            return self.req.form[field.name]
1755
1bd225376013 consider __linkto in form_field_display_value
sylvain.thenault@logilab.fr
parents: 1710
diff changeset
   391
        return None
1bd225376013 consider __linkto in form_field_display_value
sylvain.thenault@logilab.fr
parents: 1710
diff changeset
   392
1392
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   393
    def form_field_value(self, field, load_bytes=False):
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   394
        """return field's *typed* value"""
1855
4e2eeb88780f restore possibility to have default value methods on forms, this may still be useful according to how the form is defined
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1843
diff changeset
   395
        myattr = '%s_%s_default' % (field.role, field.name)
4e2eeb88780f restore possibility to have default value methods on forms, this may still be useful according to how the form is defined
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1843
diff changeset
   396
        if hasattr(self, myattr):
4e2eeb88780f restore possibility to have default value methods on forms, this may still be useful according to how the form is defined
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1843
diff changeset
   397
            return getattr(self, myattr)()
1861
21fae1546ac4 stupido
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1860
diff changeset
   398
        value = field.initial
1860
ce67132ced1c this is actually needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1855
diff changeset
   399
        if callable(value):
ce67132ced1c this is actually needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1855
diff changeset
   400
            value = value(self)
1861
21fae1546ac4 stupido
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1860
diff changeset
   401
        return value
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   402
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   403
    def form_field_error(self, field):
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   404
        """return validation error for widget's field, if any"""
1710
8c717cc0b353 refactor error handling: get validation error information from a form attribute instead of req.data to avoid pb when multiple forms are displayed
sylvain.thenault@logilab.fr
parents: 1701
diff changeset
   405
        if self._field_has_error(field):
8c717cc0b353 refactor error handling: get validation error information from a form attribute instead of req.data to avoid pb when multiple forms are displayed
sylvain.thenault@logilab.fr
parents: 1701
diff changeset
   406
            self.form_displayed_errors.add(field.name)
8c717cc0b353 refactor error handling: get validation error information from a form attribute instead of req.data to avoid pb when multiple forms are displayed
sylvain.thenault@logilab.fr
parents: 1701
diff changeset
   407
            return u'<span class="error">%s</span>' % self.form_valerror.errors[field.name]
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   408
        return u''
897
f5b91f11d8b6 provide basic methods to build fields from schema constraints / cardinality
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 896
diff changeset
   409
1060
d795477ad16b rename method to form_field_format
sylvain.thenault@logilab.fr
parents: 1059
diff changeset
   410
    def form_field_format(self, field):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   411
        """return MIME type used for the given (text or bytes) field"""
892
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   412
        return self.req.property_value('ui.default-text-format')
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   413
1061
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   414
    def form_field_encoding(self, field):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   415
        """return encoding used for the given (text) field"""
1061
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   416
        return self.req.encoding
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   417
849
8591d896db7e update some prototype, ChangeStateForm
sylvain.thenault@logilab.fr
parents: 848
diff changeset
   418
    def form_field_name(self, field):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   419
        """return qualified name for the given 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
   420
        return field.name
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   421
849
8591d896db7e update some prototype, ChangeStateForm
sylvain.thenault@logilab.fr
parents: 848
diff changeset
   422
    def form_field_id(self, field):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   423
        """return dom id for the given 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
   424
        return field.id
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   425
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
   426
    def form_field_vocabulary(self, field, limit=None):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   427
        """return vocabulary for the given field. Should be overriden in
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   428
        specific forms using fields which requires some vocabulary
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   429
        """
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   430
        raise NotImplementedError
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   431
1710
8c717cc0b353 refactor error handling: get validation error information from a form attribute instead of req.data to avoid pb when multiple forms are displayed
sylvain.thenault@logilab.fr
parents: 1701
diff changeset
   432
    def _field_has_error(self, field):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   433
        """return true if the field has some error in given validation exception
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   434
        """
1710
8c717cc0b353 refactor error handling: get validation error information from a form attribute instead of req.data to avoid pb when multiple forms are displayed
sylvain.thenault@logilab.fr
parents: 1701
diff changeset
   435
        return self.form_valerror and field.name in self.form_valerror.errors
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   436
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   437
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   438
class EntityFieldsForm(FieldsForm):
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   439
    __select__ = (match_kwargs('entity') | (one_line_rset & non_final_entity()))
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   440
1561
85752d14c15d [form] __maineid missing from the special fields list
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 1530
diff changeset
   441
    internal_fields = FieldsForm.internal_fields + ('__type', 'eid', '__maineid')
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   442
    domid = 'entityForm'
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   443
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   444
    def __init__(self, *args, **kwargs):
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   445
        self.edited_entity = kwargs.pop('entity', None)
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   446
        msg = kwargs.pop('submitmsg', None)
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   447
        super(EntityFieldsForm, self).__init__(*args, **kwargs)
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   448
        if self.edited_entity is None:
1651
675873ed82e3 protect against None values
sylvain.thenault@logilab.fr
parents: 1564
diff changeset
   449
            self.edited_entity = self.complete_entity(self.row or 0, self.col or 0)
887
51e371245bc5 various fixes to have change state and deletion forms working
sylvain.thenault@logilab.fr
parents: 874
diff changeset
   450
        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
   451
        self.form_add_hidden('eid')
1947
8696403e5324 test and fix __linkto handling (#343421)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1861
diff changeset
   452
        if msg:
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   453
            # If we need to directly attach the new object to another one
1947
8696403e5324 test and fix __linkto handling (#343421)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1861
diff changeset
   454
            self.form_add_hidden('__message', msg)
8696403e5324 test and fix __linkto handling (#343421)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1861
diff changeset
   455
        if not self.is_subform:
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   456
            for linkto in self.req.list_form_param('__linkto'):
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   457
                self.form_add_hidden('__linkto', linkto)
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   458
                msg = '%s %s' % (msg, self.req._('and linked'))
1519
5cfc5cc1dd20 fix retreival of previously submitted error for entity forms
sylvain.thenault@logilab.fr
parents: 1451
diff changeset
   459
        # in case of direct instanciation
5cfc5cc1dd20 fix retreival of previously submitted error for entity forms
sylvain.thenault@logilab.fr
parents: 1451
diff changeset
   460
        self.schema = self.edited_entity.schema
5cfc5cc1dd20 fix retreival of previously submitted error for entity forms
sylvain.thenault@logilab.fr
parents: 1451
diff changeset
   461
        self.vreg = self.edited_entity.vreg
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   462
1710
8c717cc0b353 refactor error handling: get validation error information from a form attribute instead of req.data to avoid pb when multiple forms are displayed
sylvain.thenault@logilab.fr
parents: 1701
diff changeset
   463
    def _field_has_error(self, field):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   464
        """return true if the field has some error in given validation exception
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   465
        """
1710
8c717cc0b353 refactor error handling: get validation error information from a form attribute instead of req.data to avoid pb when multiple forms are displayed
sylvain.thenault@logilab.fr
parents: 1701
diff changeset
   466
        return super(EntityFieldsForm, self)._field_has_error(field) \
8c717cc0b353 refactor error handling: get validation error information from a form attribute instead of req.data to avoid pb when multiple forms are displayed
sylvain.thenault@logilab.fr
parents: 1701
diff changeset
   467
               and self.form_valerror.eid == self.edited_entity.eid
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   468
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   469
    def _relation_vocabulary(self, rtype, targettype, role,
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   470
                            limit=None, done=None):
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   471
        """return unrelated entities for a given relation and target entity type
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   472
        for use in vocabulary
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   473
        """
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   474
        if done is None:
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   475
            done = set()
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   476
        rset = self.edited_entity.unrelated(rtype, targettype, role, limit)
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   477
        res = []
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   478
        for entity in rset.entities():
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   479
            if entity.eid in done:
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   480
                continue
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   481
            done.add(entity.eid)
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   482
            res.append((entity.view('combobox'), entity.eid))
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   483
        return res
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   484
1755
1bd225376013 consider __linkto in form_field_display_value
sylvain.thenault@logilab.fr
parents: 1710
diff changeset
   485
    def _req_display_value(self, field):
1bd225376013 consider __linkto in form_field_display_value
sylvain.thenault@logilab.fr
parents: 1710
diff changeset
   486
        value = super(EntityFieldsForm, self)._req_display_value(field)
1bd225376013 consider __linkto in form_field_display_value
sylvain.thenault@logilab.fr
parents: 1710
diff changeset
   487
        if value is None:
1947
8696403e5324 test and fix __linkto handling (#343421)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1861
diff changeset
   488
            value = self.edited_entity.linked_to(field.name, field.role)
8696403e5324 test and fix __linkto handling (#343421)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1861
diff changeset
   489
            if value:
8696403e5324 test and fix __linkto handling (#343421)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1861
diff changeset
   490
                searchedvalues = ['%s:%s:%s' % (field.name, eid, field.role)
8696403e5324 test and fix __linkto handling (#343421)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1861
diff changeset
   491
                                  for eid in value]
8696403e5324 test and fix __linkto handling (#343421)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1861
diff changeset
   492
                # remove associated __linkto hidden fields
8696403e5324 test and fix __linkto handling (#343421)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1861
diff changeset
   493
                for field in self.fields_by_name('__linkto'):
8696403e5324 test and fix __linkto handling (#343421)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1861
diff changeset
   494
                    if field.initial in searchedvalues:
8696403e5324 test and fix __linkto handling (#343421)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1861
diff changeset
   495
                        self.remove_field(field)
8696403e5324 test and fix __linkto handling (#343421)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1861
diff changeset
   496
            else:
8696403e5324 test and fix __linkto handling (#343421)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1861
diff changeset
   497
                value = None
1755
1bd225376013 consider __linkto in form_field_display_value
sylvain.thenault@logilab.fr
parents: 1710
diff changeset
   498
        return value
1bd225376013 consider __linkto in form_field_display_value
sylvain.thenault@logilab.fr
parents: 1710
diff changeset
   499
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   500
    def _form_field_default_value(self, field, load_bytes):
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   501
        defaultattr = 'default_%s' % field.name
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   502
        if hasattr(self.edited_entity, defaultattr):
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   503
            # XXX bw compat, default_<field name> on the entity
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   504
            warn('found %s on %s, should be set on a specific form'
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   505
                 % (defaultattr, self.edited_entity.id), DeprecationWarning)
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   506
            value = getattr(self.edited_entity, defaultattr)
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   507
            if callable(value):
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   508
                value = value()
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   509
        else:
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   510
            value = super(EntityFieldsForm, self).form_field_value(field,
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   511
                                                                   load_bytes)
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   512
        return value
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   513
1315
86bddd181e03 should set None as default here as well
sylvain.thenault@logilab.fr
parents: 1312
diff changeset
   514
    def form_build_context(self, values=None):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   515
        """overriden to add edit[s|o] hidden fields and to ensure schema fields
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   516
        have eidparam set to True
869
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   517
1528
864ae7c15ef5 other fixlets
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 1451
diff changeset
   518
        edit[s|o] hidden fields are used to indicate the value for the
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   519
        associated field before the (potential) modification made when
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   520
        submitting the form.
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   521
        """
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   522
        eschema = self.edited_entity.e_schema
863
4fde01fc39ca restore previous hidden input behaviour (edits- / edito- fields)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 849
diff changeset
   523
        for field in self.fields[:]:
894
e1f848785e3d test and fixes
sylvain.thenault@logilab.fr
parents: 892
diff changeset
   524
            for field in field.actual_fields(self):
892
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   525
                fieldname = field.name
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   526
                if fieldname != 'eid' and (
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   527
                    (eschema.has_subject_relation(fieldname) or
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   528
                     eschema.has_object_relation(fieldname))):
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   529
                    field.eidparam = True
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   530
                    self.fields.append(HiddenInitialValueField(field))
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   531
        return super(EntityFieldsForm, self).form_build_context(values)
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   532
1392
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   533
    def form_field_value(self, field, load_bytes=False):
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   534
        """return field's *typed* value
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   535
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   536
        overriden to deal with
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   537
        * special eid / __type / edits- / edito- fields
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   538
        * lookup for values on edited entities
848
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   539
        """
1392
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   540
        attr = field.name
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   541
        entity = self.edited_entity
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   542
        if attr == 'eid':
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   543
            return entity.eid
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   544
        if not field.eidparam:
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   545
            return super(EntityFieldsForm, self).form_field_value(field, load_bytes)
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   546
        if attr.startswith('edits-') or attr.startswith('edito-'):
888
603327e9aef4 fix field value for hidden edit[s|à] fields
sylvain.thenault@logilab.fr
parents: 887
diff changeset
   547
            # edit[s|o]- fieds must have the actual value stored on the entity
1392
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   548
            assert hasattr(field, 'visible_field')
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   549
            vfield = field.visible_field
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   550
            assert vfield.eidparam
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   551
            if entity.has_eid():
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   552
                return self.form_field_value(vfield)
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   553
            return INTERNAL_FIELD_VALUE
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   554
        if attr == '__type':
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   555
            return entity.id
1701
9fb5b4741a08 use values cached on the entity if any
sylvain.thenault@logilab.fr
parents: 1686
diff changeset
   556
        if self.schema.rschema(attr).is_final():
1392
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   557
            attrtype = entity.e_schema.destination(attr)
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   558
            if attrtype == 'Password':
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   559
                return entity.has_eid() and INTERNAL_FIELD_VALUE or ''
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   560
            if attrtype == 'Bytes':
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   561
                if entity.has_eid():
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   562
                    if load_bytes:
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   563
                        return getattr(entity, attr)
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   564
                    # XXX value should reflect if some file is already attached
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   565
                    return True
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   566
                return False
1701
9fb5b4741a08 use values cached on the entity if any
sylvain.thenault@logilab.fr
parents: 1686
diff changeset
   567
            if entity.has_eid() or attr in entity:
1392
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   568
                value = getattr(entity, attr)
888
603327e9aef4 fix field value for hidden edit[s|à] fields
sylvain.thenault@logilab.fr
parents: 887
diff changeset
   569
            else:
1392
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   570
                value = self._form_field_default_value(field, load_bytes)
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   571
            return value
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   572
        # non final relation field
1701
9fb5b4741a08 use values cached on the entity if any
sylvain.thenault@logilab.fr
parents: 1686
diff changeset
   573
        if entity.has_eid() or entity.relation_cached(attr, field.role):
9fb5b4741a08 use values cached on the entity if any
sylvain.thenault@logilab.fr
parents: 1686
diff changeset
   574
            value = [r[0] for r in entity.related(attr, field.role)]
848
f5aca5c5f6ca set __errorurl, fix retreiving of field's value
sylvain.thenault@logilab.fr
parents: 847
diff changeset
   575
        else:
1392
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   576
            value = self._form_field_default_value(field, load_bytes)
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1391
diff changeset
   577
        return value
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   578
1060
d795477ad16b rename method to form_field_format
sylvain.thenault@logilab.fr
parents: 1059
diff changeset
   579
    def form_field_format(self, field):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   580
        """return MIME type used for the given (text or bytes) field"""
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   581
        entity = self.edited_entity
1107
961a478593a5 has_metadata is a schema method
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   582
        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
   583
            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
   584
            return self.edited_entity.attr_metadata(field.name, 'format')
892
1558772340a7 rich field / fckeditor handling
sylvain.thenault@logilab.fr
parents: 888
diff changeset
   585
        return self.req.property_value('ui.default-text-format')
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   586
1061
7d2e6b5fae3c * new load_bytes argument to form_field_value
sylvain.thenault@logilab.fr
parents: 1060
diff changeset
   587
    def form_field_encoding(self, field):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   588
        """return encoding used for the given (text) field"""
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   589
        entity = self.edited_entity
1107
961a478593a5 has_metadata is a schema method
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   590
        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
   591
            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
   592
            return self.edited_entity.attr_metadata(field.name, 'encoding')
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   593
        return super(EntityFieldsForm, self).form_field_encoding(field)
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   594
849
8591d896db7e update some prototype, ChangeStateForm
sylvain.thenault@logilab.fr
parents: 848
diff changeset
   595
    def form_field_name(self, field):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   596
        """return qualified name for the given 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
   597
        if field.eidparam:
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   598
            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
   599
        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
   600
849
8591d896db7e update some prototype, ChangeStateForm
sylvain.thenault@logilab.fr
parents: 848
diff changeset
   601
    def form_field_id(self, field):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   602
        """return dom id for the given 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
   603
        if field.eidparam:
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   604
            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
   605
        return field.id
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   606
1031
1a89683cb687 restore limit on form_field_vocabulary, actually used
sylvain.thenault@logilab.fr
parents: 1016
diff changeset
   607
    def form_field_vocabulary(self, field, limit=None):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   608
        """return vocabulary for the given field"""
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
   609
        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
   610
        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
   611
        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
   612
            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
   613
        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
   614
            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
   615
                # 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
   616
                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
   617
            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
   618
                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
   619
            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
   620
                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
   621
                     % (method, self.edited_entity.id), DeprecationWarning)
1009
bcd0c3ae1935 typos, backport comment
sylvain.thenault@logilab.fr
parents: 944
diff changeset
   622
        # NOTE: it is the responsibility of `vocabfunc` to sort the result
bcd0c3ae1935 typos, backport comment
sylvain.thenault@logilab.fr
parents: 944
diff changeset
   623
        #       (direclty through RQL or via a python sort). This is also
bcd0c3ae1935 typos, backport comment
sylvain.thenault@logilab.fr
parents: 944
diff changeset
   624
        #       important because `vocabfunc` might return a list with
bcd0c3ae1935 typos, backport comment
sylvain.thenault@logilab.fr
parents: 944
diff changeset
   625
        #       couples (label, None) which act as separators. In these
bcd0c3ae1935 typos, backport comment
sylvain.thenault@logilab.fr
parents: 944
diff changeset
   626
        #       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
   627
        return vocabfunc(rtype, limit)
844
8ab6f64c3750 start django like forms
sylvain.thenault@logilab.fr
parents: 765
diff changeset
   628
902
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   629
    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
   630
        """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
   631
        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
   632
        """
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   633
        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
   634
        if isinstance(rtype, basestring):
1528
864ae7c15ef5 other fixlets
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 1451
diff changeset
   635
            rtype = entity.schema.rschema(rtype)
902
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   636
        done = None
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   637
        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
   638
        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
   639
            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
   640
        result = []
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   641
        rsetsize = None
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   642
        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
   643
            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
   644
                rsetsize = limit - len(result)
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   645
            result += self._relation_vocabulary(rtype, objtype, 'subject',
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   646
                                                rsetsize, done)
902
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   647
            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
   648
                break
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   649
        return result
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   650
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   651
    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
   652
        """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
   653
        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
   654
        """
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   655
        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
   656
        if isinstance(rtype, basestring):
1528
864ae7c15ef5 other fixlets
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 1451
diff changeset
   657
            rtype = entity.schema.rschema(rtype)
902
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   658
        done = None
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   659
        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
   660
            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
   661
        result = []
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   662
        rsetsize = None
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   663
        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
   664
            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
   665
                rsetsize = limit - len(result)
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   666
            result += self._relation_vocabulary(rtype, subjtype, 'object',
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   667
                                                rsetsize, done)
902
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   668
            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
   669
                break
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   670
        return result
e4de959c76af vocabulary methods are now defined on forms, not on entities
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 901
diff changeset
   671
1451
982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1437
diff changeset
   672
    def subject_in_state_vocabulary(self, rtype, limit=None):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   673
        """vocabulary method for the in_state relation, looking for relation's
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   674
        object entities (i.e. self is the subject) according to initial_state,
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   675
        state_of and next_state relation
1175
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   676
        """
1184
a33deae7c6a2 oops, this method doesn't belong anymore to entity class
sylvain.thenault@logilab.fr
parents: 1183
diff changeset
   677
        entity = self.edited_entity
a33deae7c6a2 oops, this method doesn't belong anymore to entity class
sylvain.thenault@logilab.fr
parents: 1183
diff changeset
   678
        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
   679
            # get the initial state
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   680
            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
   681
            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
   682
            if rset:
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   683
                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
   684
            return []
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   685
        results = []
1184
a33deae7c6a2 oops, this method doesn't belong anymore to entity class
sylvain.thenault@logilab.fr
parents: 1183
diff changeset
   686
        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
   687
            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
   688
            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
   689
        return sorted(results)
96747df28a1f backport subject_in_state_vocabulary to EntityFieldsForm, deprecate the old one
sylvain.thenault@logilab.fr
parents: 1147
diff changeset
   690
869
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   691
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   692
class CompositeForm(FieldsForm):
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   693
    """form composed for sub-forms"""
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1406
diff changeset
   694
869
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   695
    def __init__(self, *args, **kwargs):
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   696
        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
   697
        self.forms = []
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   698
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   699
    def form_add_subform(self, subform):
1393
ff6758d7b96f cleanup, more docstring
sylvain.thenault@logilab.fr
parents: 1392
diff changeset
   700
        """mark given form as a subform and append it"""
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1133
diff changeset
   701
        subform.is_subform = True
869
168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm
sylvain.thenault@logilab.fr
parents: 867
diff changeset
   702
        self.forms.append(subform)