author | Alexandre Fayolle <alexandre.fayolle@logilab.fr> |
Wed, 07 Apr 2010 11:56:30 +0200 | |
branch | stable |
changeset 5171 | 1c2567af37dd |
parent 4719 | aaed3f813ef8 |
child 5367 | 4176a50c81c9 |
permissions | -rw-r--r-- |
2005
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"""some base form classes for CubicWeb web client |
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parents:
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|
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:organization: Logilab |
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update copyright: welcome 2010
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:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2. |
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses |
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""" |
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__docformat__ = "restructuredtext en" |
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|
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from warnings import warn |
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|
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from logilab.common.decorators import iclassmethod |
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from logilab.common.compat import any |
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from logilab.common.deprecation import deprecated |
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|
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from cubicweb import typed_eid |
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from cubicweb.selectors import non_final_entity, match_kwargs, one_line_rset |
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from cubicweb.web import uicfg, form, formwidgets as fwdgs |
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from cubicweb.web.formfields import StringField, relvoc_unrelated, guess_field |
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|
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class FieldsForm(form.Form): |
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"""base class for fields based forms. |
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The following attributes may be either set on subclasses or given on |
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form selection to customize the generated form: |
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|
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* `needs_js`: sequence of javascript files that should be added to handle |
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this form (through `req.add_js`) |
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* `needs_css`: sequence of css files that should be added to handle this |
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form (through `req.add_css`) |
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* `domid`: value for the "id" attribute of the <form> tag |
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* `action`: value for the "action" attribute of the <form> tag |
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* `onsubmit`: value for the "onsubmit" attribute of the <form> tag |
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* `cssclass`: value for the "class" attribute of the <form> tag |
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* `cssstyle`: value for the "style" attribute of the <form> tag |
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* `cwtarget`: value for the "cubicweb:target" attribute of the <form> tag |
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* `redirect_path`: relative to redirect to after submitting the form |
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* `copy_nav_params`: flag telling if navigation paramenters should be copied |
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back in hidden input |
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* `form_buttons`: form buttons sequence (button widgets instances) |
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* `form_renderer_id`: id of the form renderer to use to render the form |
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|
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* `fieldsets_in_order`: fieldset name sequence, to control order |
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""" |
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__regid__ = 'base' |
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# attributes overrideable by subclasses or through __init__ |
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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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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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form_buttons = None |
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form_renderer_id = 'default' |
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fieldsets_in_order = None |
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@property |
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def 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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|
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def add_hidden(self, name, value=None, **kwargs): |
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"""add an hidden field to the form""" |
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kwargs.setdefault('ignore_req_params', True) |
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kwargs.setdefault('widget', fwdgs.HiddenInput) |
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field = StringField(name=name, value=value, **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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return field |
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|
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def add_media(self): |
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"""adds media (CSS & JS) required by this widget""" |
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if self.needs_js: |
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self._cw.add_js(self.needs_js) |
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if self.needs_css: |
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self._cw.add_css(self.needs_css) |
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|
96 |
|
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97 |
def render(self, formvalues=None, rendervalues=None, renderer=None, **kwargs): |
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98 |
"""render this form, using the renderer given in args or the default |
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|
99 |
FormRenderer() |
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100 |
""" |
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101 |
if rendervalues is not None: |
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102 |
warn('[3.6] rendervalues argument is deprecated, all named arguments will be given instead', |
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|
103 |
DeprecationWarning, stacklevel=2) |
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104 |
kwargs = rendervalues |
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|
105 |
self.build_context(formvalues) |
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106 |
if renderer is None: |
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107 |
renderer = self.default_renderer() |
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108 |
return renderer.render(self, kwargs) |
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109 |
|
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110 |
def default_renderer(self): |
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111 |
return self._cw.vreg['formrenderers'].select( |
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|
112 |
self.form_renderer_id, self._cw, |
4697
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|
113 |
rset=self.cw_rset, row=self.cw_row, col=self.cw_col or 0) |
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114 |
|
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115 |
formvalues = None |
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116 |
def build_context(self, formvalues=None): |
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117 |
"""build form context values (the .context attribute which is a |
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118 |
dictionary with field instance as key associated to a dictionary |
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119 |
containing field 'name' (qualified), 'id', 'value' (for display, always |
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|
120 |
a string). |
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121 |
""" |
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|
122 |
if self.formvalues is not None: |
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|
123 |
return # already built |
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|
124 |
self.formvalues = formvalues or {} |
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|
125 |
# use a copy in case fields are modified while context is build (eg |
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|
126 |
# __linkto handling for instance) |
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|
127 |
for field in self.fields[:]: |
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128 |
for field in field.actual_fields(self): |
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129 |
field.form_init(self) |
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130 |
|
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|
131 |
@deprecated('[3.6] use .add_hidden(name, value, **kwargs)') |
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|
132 |
def form_add_hidden(self, name, value=None, **kwargs): |
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|
133 |
return self.add_hidden(name, value, **kwargs) |
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134 |
|
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|
135 |
@deprecated('[3.6] use .render(formvalues, **rendervalues)') |
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|
136 |
def form_render(self, **values): |
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137 |
"""render this form, using the renderer given in args or the default |
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|
138 |
FormRenderer() |
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|
139 |
""" |
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|
140 |
self.build_context(values) |
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|
141 |
renderer = values.pop('renderer', None) |
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|
142 |
if renderer is None: |
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[forms] fix implementation of backward compat method form_render
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
143 |
renderer = self.default_renderer() |
3953
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|
144 |
return renderer.render(self, values) |
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|
145 |
|
4660 | 146 |
|
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|
147 |
_AFF = uicfg.autoform_field |
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|
148 |
_AFF_KWARGS = uicfg.autoform_field_kwargs |
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|
149 |
|
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150 |
class EntityFieldsForm(FieldsForm): |
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|
151 |
__regid__ = 'base' |
2657
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|
152 |
__select__ = (match_kwargs('entity') |
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153 |
| (one_line_rset() & non_final_entity())) |
2005
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|
154 |
|
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|
155 |
internal_fields = FieldsForm.internal_fields + ('__type', 'eid', '__maineid') |
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|
156 |
domid = 'entityForm' |
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|
157 |
|
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|
158 |
@iclassmethod |
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|
159 |
def field_by_name(cls_or_self, name, role=None, eschema=None): |
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|
160 |
"""return field with the given name and role. If field is not explicitly |
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|
161 |
defined for the form but `eclass` is specified, guess_field will be |
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|
162 |
called. |
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|
163 |
""" |
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|
164 |
try: |
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|
165 |
return super(EntityFieldsForm, cls_or_self).field_by_name(name, role) |
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|
166 |
except form.FieldNotFound: |
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|
167 |
if eschema is None or role is None or not name in eschema.schema: |
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|
168 |
raise |
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|
169 |
rschema = eschema.schema.rschema(name) |
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|
170 |
# XXX use a sample target type. Document this. |
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|
171 |
tschemas = rschema.targets(eschema, role) |
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|
172 |
fieldcls = _AFF.etype_get(eschema, rschema, role, tschemas[0]) |
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|
173 |
kwargs = _AFF_KWARGS.etype_get(eschema, rschema, role, tschemas[0]) |
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|
174 |
if kwargs is None: |
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|
175 |
kwargs = {} |
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|
176 |
if fieldcls: |
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|
177 |
if not isinstance(fieldcls, type): |
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|
178 |
return fieldcls # already and instance |
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|
179 |
return fieldcls(name=name, role=role, eidparam=True, **kwargs) |
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|
180 |
field = guess_field(eschema, rschema, role, eidparam=True, **kwargs) |
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|
181 |
if field is None: |
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|
182 |
raise |
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|
183 |
return field |
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|
184 |
|
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|
185 |
def __init__(self, _cw, rset=None, row=None, col=None, **kwargs): |
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|
186 |
try: |
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[forms] edited_entity must be set before calling session_key()
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|
187 |
self.edited_entity = kwargs.pop('entity') |
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|
188 |
except KeyError: |
4252 | 189 |
self.edited_entity = rset.complete_entity(row or 0, col or 0) |
2005
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190 |
msg = kwargs.pop('submitmsg', None) |
4257
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|
191 |
super(EntityFieldsForm, self).__init__(_cw, rset, row, col, **kwargs) |
4659
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|
192 |
self.add_hidden('__type', self.edited_entity.__regid__, eidparam=True) |
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|
193 |
self.add_hidden('eid', self.edited_entity.eid) |
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3ea388b5b9d8
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|
194 |
if kwargs.get('mainform', True): # mainform default to true in parent |
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195 |
self.add_hidden(u'__maineid', self.edited_entity.eid) |
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# If we need to directly attach the new object to another one |
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197 |
if self._cw.list_form_param('__linkto'): |
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198 |
for linkto in self._cw.list_form_param('__linkto'): |
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199 |
self.add_hidden('__linkto', linkto) |
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200 |
if msg: |
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201 |
msg = '%s %s' % (msg, self._cw._('and linked')) |
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202 |
else: |
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203 |
msg = self._cw._('entity linked') |
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204 |
if msg: |
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205 |
self.add_hidden('__message', msg) |
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206 |
|
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207 |
def session_key(self): |
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208 |
"""return the key that may be used to store / retreive data about a |
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209 |
previous post which failed because of a validation error |
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210 |
""" |
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211 |
if self.force_session_key is not None: |
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212 |
return self.force_session_key |
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213 |
# XXX if this is a json request, suppose we should redirect to the |
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214 |
# entity primary view |
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215 |
if self._cw.json_request and self.edited_entity.has_eid(): |
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216 |
return '%s#%s' % (self.edited_entity.absolute_url(), self.domid) |
4662
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217 |
# XXX we should not consider some url parameters that may lead to |
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218 |
# different url after a validation error |
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219 |
return '%s#%s' % (self._cw.url(), self.domid) |
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220 |
|
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|
221 |
def build_context(self, formvalues=None): |
4248
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|
222 |
if self.formvalues is not None: |
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223 |
return # already built |
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224 |
super(EntityFieldsForm, self).build_context(formvalues) |
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225 |
edited = set() |
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|
226 |
for field in self.fields: |
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227 |
if field.eidparam: |
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|
228 |
edited.add(field.role_name()) |
4660 | 229 |
self.add_hidden('_cw_edited_fields', u','.join(edited), eidparam=True) |
2005
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|
230 |
|
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|
231 |
def default_renderer(self): |
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|
232 |
return self._cw.vreg['formrenderers'].select( |
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|
233 |
self.form_renderer_id, self._cw, rset=self.cw_rset, row=self.cw_row, |
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|
234 |
col=self.cw_col, entity=self.edited_entity) |
2005
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|
235 |
|
4583 | 236 |
def should_display_add_new_relation_link(self, rschema, existant, card): |
237 |
return False |
|
238 |
||
4167
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diff
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|
239 |
# controller side method (eg POST reception handling) |
2005
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|
240 |
|
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|
241 |
def actual_eid(self, eid): |
6b2b20c73d59
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|
242 |
# should be either an int (existant entity) or a variable (to be |
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|
243 |
# created entity) |
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|
244 |
assert eid or eid == 0, repr(eid) # 0 is a valid eid |
2005
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|
245 |
try: |
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|
246 |
return typed_eid(eid) |
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|
247 |
except ValueError: |
2005
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|
248 |
try: |
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|
249 |
return self._cw.data['eidmap'][eid] |
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|
250 |
except KeyError: |
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|
251 |
self._cw.data['eidmap'][eid] = None |
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|
252 |
return None |
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|
253 |
|
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6e927b729ae1
[uicfg, autoform] more consistent/powerful autoform_section rtags by using formtype/section; deprecates autoform_is_inlined; refactor automatci form and renderer thanks to this
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|
254 |
def editable_relations(self): |
2089
b1070848726b
backport default branch fix 4ec37d33657e (EntityFieldsForm methods implementation)
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|
255 |
return () |
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|
256 |
|
4161
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|
257 |
@deprecated('[3.6] use cw.web.formfields.relvoc_unrelated function') |
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|
258 |
def subject_relation_vocabulary(self, rtype, limit=None): |
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|
259 |
"""defaut vocabulary method for the given relation, looking for |
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|
260 |
relation's object entities (i.e. self is the subject) |
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|
261 |
""" |
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|
262 |
return relvoc_unrelated(self.edited_entity, rtype, 'subject', limit=None) |
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|
263 |
|
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|
264 |
@deprecated('[3.6] use cw.web.formfields.relvoc_unrelated function') |
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|
265 |
def object_relation_vocabulary(self, rtype, limit=None): |
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|
266 |
return relvoc_unrelated(self.edited_entity, rtype, 'object', limit=None) |
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|
267 |
|
2005
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|
268 |
|
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|
269 |
class CompositeFormMixIn(object): |
2920
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|
270 |
"""form composed of sub-forms""" |
3377
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|
271 |
__regid__ = 'composite' |
3467
a6405235aac6
[tests] make unittest_views_editforms pass again
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272 |
form_renderer_id = __regid__ |
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|
273 |
|
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|
274 |
def __init__(self, *args, **kwargs): |
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275 |
super(CompositeFormMixIn, self).__init__(*args, **kwargs) |
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276 |
self.forms = [] |
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277 |
|
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|
278 |
def add_subform(self, subform): |
2005
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|
279 |
"""mark given form as a subform and append it""" |
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|
280 |
subform.parent_form = self |
2005
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|
281 |
self.forms.append(subform) |
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282 |
|
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|
283 |
def build_context(self, formvalues=None): |
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284 |
super(CompositeFormMixIn, self).build_context(formvalues) |
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|
285 |
for form in self.forms: |
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|
286 |
form.build_context(formvalues) |
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287 |
|
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|
288 |
|
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bf746bf4a394
rename form_build_context to build_context, and call it from form, not renderer
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3354
diff
changeset
|
289 |
class CompositeForm(CompositeFormMixIn, FieldsForm): |
bf746bf4a394
rename form_build_context to build_context, and call it from form, not renderer
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3354
diff
changeset
|
290 |
pass |
2920
64322aa83a1d
start a new workflow engine
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2657
diff
changeset
|
291 |
|
3510
bf746bf4a394
rename form_build_context to build_context, and call it from form, not renderer
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3354
diff
changeset
|
292 |
class CompositeEntityForm(CompositeFormMixIn, EntityFieldsForm): |
bf746bf4a394
rename form_build_context to build_context, and call it from form, not renderer
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3354
diff
changeset
|
293 |
pass # XXX why is this class necessary? |