"""widgets for entity edition
those are in cubicweb.common since we need to know available widgets at schema
serialization time
:organization: Logilab
:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
"""
__docformat__ = "restructuredtext en"
from datetime import datetime
from logilab.mtconverter import xml_escape
from yams.constraints import SizeConstraint, StaticVocabularyConstraint
from cubicweb.common.uilib import toggle_action
from cubicweb.web import INTERNAL_FIELD_VALUE, eid_param
def _format_attrs(kwattrs):
"""kwattrs is the dictionary of the html attributes available for
the edited element
"""
# sort for predictability (required for tests)
return u' '.join(sorted(u'%s="%s"' % item for item in kwattrs.iteritems()))
def _value_from_values(values):
# take care, value may be 0, 0.0...
if values:
value = values[0]
if value is None:
value = u''
else:
value = u''
return value
def _eclass_eschema(eschema_or_eclass):
try:
return eschema_or_eclass, eschema_or_eclass.e_schema
except AttributeError:
return None, eschema_or_eclass
def checkbox(name, value, attrs='', checked=None):
if checked is None:
checked = value
checked = checked and 'checked="checked"' or ''
return u'<input type="checkbox" name="%s" value="%s" %s %s />' % (
name, value, checked, attrs)
def widget(vreg, subjschema, rschema, objschema, role='object'):
"""get a widget to edit the given relation"""
if rschema == 'eid':
# return HiddenWidget(vreg, subjschema, rschema, objschema)
return EidWidget(vreg, _eclass_eschema(subjschema)[1], rschema, objschema)
return widget_factory(vreg, subjschema, rschema, objschema, role=role)
class Widget(object):
"""abstract widget class"""
need_multipart = False
# generate the "id" attribute with the same value as the "name" (html) attribute
autoid = True
html_attributes = set(('id', 'class', 'tabindex', 'accesskey', 'onchange', 'onkeypress'))
cubicwebns_attributes = set()
def __init__(self, vreg, subjschema, rschema, objschema,
role='subject', description=None,
**kwattrs):
self.vreg = vreg
self.rschema = rschema
self.subjtype = subjschema
self.objtype = objschema
self.role = role
self.name = rschema.type
self.description = description
self.attrs = kwattrs
# XXX accesskey may not be unique
kwattrs['accesskey'] = self.name[0]
def copy(self):
"""shallow copy (useful when you need to modify self.attrs
because widget instances are cached)
"""
# brute force copy (subclasses don't have the
# same __init__ prototype)
widget = self.__new__(self.__class__)
widget.__dict__ = dict(self.__dict__)
widget.attrs = dict(widget.attrs)
return widget
@staticmethod
def size_constraint_attrs(attrs, maxsize):
"""set html attributes in the attrs dict to consider maxsize"""
pass
def format_attrs(self):
"""return a string with html attributes available for the edit input"""
# sort for predictability (required for tests)
attrs = []
for name, value in self.attrs.iteritems():
# namespace attributes have priority over standard xhtml ones
if name in self.cubicwebns_attributes:
attrs.append(u'cubicweb:%s="%s"' % (name, value))
elif name in self.html_attributes:
attrs.append(u'%s="%s"' % (name, value))
return u' '.join(sorted(attrs))
def required(self, entity):
"""indicates if the widget needs a value to be filled in"""
card = self.rschema.cardinality(self.subjtype, self.objtype, self.role)
return card in '1+'
def input_id(self, entity):
try:
return self.rname
except AttributeError:
return eid_param(self.name, entity.eid)
def render_label(self, entity, label=None):
"""render widget's label"""
label = label or self.rschema.display_name(entity.req, self.role)
forid = self.input_id(entity)
if forid:
forattr = ' for="%s"' % forid
else:
forattr = ''
if self.required(entity):
label = u'<label class="required"%s>%s</label>' % (forattr, label)
else:
label = u'<label%s>%s</label>' % (forattr, label)
return label
def render_error(self, entity):
"""return validation error for widget's field of the given entity, if
any
"""
errex = entity.req.data.get('formerrors')
if errex and errex.eid == entity.eid and self.name in errex.errors:
entity.req.data['displayederrors'].add(self.name)
return u'<span class="error">%s</span>' % errex.errors[self.name]
return u''
def render_help(self, entity):
"""render a help message about the (edited) field"""
req = entity.req
help = [u'<div class="helper">']
descr = self.description or self.rschema.rproperty(self.subjtype, self.objtype, 'description')
if descr:
help.append(u'<span>%s</span>' % req._(descr))
example = self.render_example(req)
if example:
help.append(u'<span>(%s: %s)</span>'
% (req._('sample format'), example))
help.append(u'</div>')
return u' '.join(help)
def render_example(self, req):
return u''
def render(self, entity):
"""render the widget for a simple view"""
if not entity.has_eid():
return u''
return entity.printable_value(self.name)
def edit_render(self, entity, tabindex=None,
includehelp=False, useid=None, **kwargs):
"""render the widget for edition"""
# this is necessary to handle multiple edition
self.rname = eid_param(self.name, entity.eid)
if useid:
self.attrs['id'] = useid
elif self.autoid:
self.attrs['id'] = self.rname
if tabindex is not None:
self.attrs['tabindex'] = tabindex
else:
self.attrs['tabindex'] = entity.req.next_tabindex()
output = self._edit_render(entity, **kwargs)
if includehelp:
output += self.render_help(entity)
return output
def _edit_render(self, entity):
"""do the actual job to render the widget for edition"""
raise NotImplementedError
def current_values(self, entity):
"""return the value of the field associated to this widget on the given
entity. always return a list of values, which'll have size equal to 1
if the field is monovalued (like all attribute fields, but not all non
final relation fields
"""
if self.rschema.is_final():
return entity.attribute_values(self.name)
elif entity.has_eid():
return [row[0] for row in entity.related(self.name, self.role)]
return ()
def current_value(self, entity):
return _value_from_values(self.current_values(entity))
def current_display_values(self, entity):
"""same as .current_values but consider values stored in session in case
of validation error
"""
values = entity.req.data.get('formvalues')
if values is None:
return self.current_values(entity)
cdvalues = values.get(self.rname)
if cdvalues is None:
return self.current_values(entity)
if not isinstance(cdvalues, (list, tuple)):
cdvalues = (cdvalues,)
return cdvalues
def current_display_value(self, entity):
"""same as .current_value but consider values stored in session in case
of validation error
"""
return _value_from_values(self.current_display_values(entity))
def hidden_input(self, entity, qvalue):
"""return an hidden field which
1. indicates that a field is edited
2. hold the old value to easily detect if the field has been modified
`qvalue` is the html quoted old value
"""
if self.role == 'subject':
editmark = 'edits'
else:
editmark = 'edito'
if qvalue is None or not entity.has_eid():
qvalue = INTERNAL_FIELD_VALUE
return u'<input type="hidden" name="%s-%s" value="%s"/>\n' % (
editmark, self.rname, qvalue)
class InputWidget(Widget):
"""abstract class for input generating a <input> tag"""
input_type = None
html_attributes = Widget.html_attributes | set(('type', 'name', 'value'))
def _edit_render(self, entity):
value = self.current_value(entity)
dvalue = self.current_display_value(entity)
if isinstance(value, basestring):
value = xml_escape(value)
if isinstance(dvalue, basestring):
dvalue = xml_escape(dvalue)
return u'%s<input type="%s" name="%s" value="%s" %s/>' % (
self.hidden_input(entity, value), self.input_type,
self.rname, dvalue, self.format_attrs())
class HiddenWidget(InputWidget):
input_type = 'hidden'
autoid = False
def __init__(self, vreg, subjschema, rschema, objschema,
role='subject', **kwattrs):
InputWidget.__init__(self, vreg, subjschema, rschema, objschema,
role='subject',
**kwattrs)
# disable access key
del self.attrs['accesskey']
def current_value(self, entity):
value = InputWidget.current_value(self, entity)
return value or INTERNAL_FIELD_VALUE
def current_display_value(self, entity):
value = InputWidget.current_display_value(self, entity)
return value or INTERNAL_FIELD_VALUE
def render_label(self, entity, label=None):
"""render widget's label"""
return u''
def render_help(self, entity):
return u''
def hidden_input(self, entity, value):
"""no hidden input for hidden input"""
return ''
class EidWidget(HiddenWidget):
def _edit_render(self, entity):
return u'<input type="hidden" name="eid" value="%s" />' % entity.eid
class StringWidget(InputWidget):
input_type = 'text'
html_attributes = InputWidget.html_attributes | set(('size', 'maxlength'))
@staticmethod
def size_constraint_attrs(attrs, maxsize):
"""set html attributes in the attrs dict to consider maxsize"""
attrs['size'] = min(maxsize, 40)
attrs['maxlength'] = maxsize
class AutoCompletionWidget(StringWidget):
cubicwebns_attributes = (StringWidget.cubicwebns_attributes |
set(('accesskey', 'size', 'maxlength')))
attrs = ()
wdgtype = 'SuggestField'
def current_value(self, entity):
value = StringWidget.current_value(self, entity)
return value or INTERNAL_FIELD_VALUE
def _get_url(self, entity):
return entity.req.build_url('json', fname=entity.autocomplete_initfuncs[self.rschema],
pageid=entity.req.pageid, mode='remote')
def _edit_render(self, entity):
req = entity.req
req.add_js( ('cubicweb.widgets.js', 'jquery.autocomplete.js') )
req.add_css('jquery.autocomplete.css')
value = self.current_value(entity)
dvalue = self.current_display_value(entity)
if isinstance(value, basestring):
value = xml_escape(value)
if isinstance(dvalue, basestring):
dvalue = xml_escape(dvalue)
iid = self.attrs.pop('id')
if self.required(entity):
cssclass = u' required'
else:
cssclass = u''
dataurl = self._get_url(entity)
return (u'%(hidden)s<input type="text" name="%(iid)s" value="%(value)s" cubicweb:dataurl="%(url)s" class="widget%(required)s" id="%(iid)s" '
u'tabindex="%(tabindex)s" cubicweb:loadtype="auto" cubicweb:wdgtype="%(wdgtype)s" %(attrs)s />' % {
'iid': iid,
'hidden': self.hidden_input(entity, value),
'wdgtype': self.wdgtype,
'url': xml_escape(dataurl),
'tabindex': self.attrs.pop('tabindex'),
'value': dvalue,
'attrs': self.format_attrs(),
'required' : cssclass,
})
class StaticFileAutoCompletionWidget(AutoCompletionWidget):
wdgtype = 'StaticFileSuggestField'
def _get_url(self, entity):
return entity.req.datadir_url + entity.autocomplete_initfuncs[self.rschema]
class RestrictedAutoCompletionWidget(AutoCompletionWidget):
wdgtype = 'RestrictedSuggestField'
class PasswordWidget(InputWidget):
input_type = 'password'
def required(self, entity):
if InputWidget.required(self, entity) and not entity.has_eid():
return True
return False
def current_values(self, entity):
# on existant entity, show password field has non empty (we don't have
# the actual value
if entity.has_eid():
return (INTERNAL_FIELD_VALUE,)
return super(PasswordWidget, self).current_values(entity)
def _edit_render(self, entity):
html = super(PasswordWidget, self)._edit_render(entity)
name = eid_param(self.name + '-confirm', entity.eid)
return u'%s<br/>\n<input type="%s" name="%s" id="%s" tabindex="%s"/> <span class="emphasis">(%s)</span>' % (
html, self.input_type, name, name, entity.req.next_tabindex(),
entity.req._('confirm password'))
class TextWidget(Widget):
html_attributes = Widget.html_attributes | set(('rows', 'cols'))
@staticmethod
def size_constraint_attrs(attrs, maxsize):
"""set html attributes in the attrs dict to consider maxsize"""
if 256 < maxsize < 513:
attrs['cols'], attrs['rows'] = 60, 5
else:
attrs['cols'], attrs['rows'] = 80, 10
def render(self, entity):
if not entity.has_eid():
return u''
return entity.printable_value(self.name)
def _edit_render(self, entity, with_format=True):
req = entity.req
editor = self._edit_render_textarea(entity, with_format)
value = self.current_value(entity)
if isinstance(value, basestring):
value = xml_escape(value)
return u'%s%s' % (self.hidden_input(entity, value), editor)
def _edit_render_textarea(self, entity, with_format):
self.attrs.setdefault('cols', 80)
self.attrs.setdefault('rows', 20)
dvalue = self.current_display_value(entity)
if isinstance(dvalue, basestring):
dvalue = xml_escape(dvalue)
if entity.use_fckeditor(self.name):
entity.req.fckeditor_config()
if with_format:
if entity.has_eid():
format = entity.attr_metadata(self.name, 'format')
else:
format = ''
frname = eid_param(self.name + '_format', entity.eid)
hidden = u'<input type="hidden" name="edits-%s" value="%s"/>\n'\
'<input type="hidden" name="%s" value="text/html"/>\n' % (
frname, format, frname)
return u'%s<textarea cubicweb:type="wysiwyg" onkeyup="autogrow(this)" name="%s" %s>%s</textarea>' % (
hidden, self.rname, self.format_attrs(), dvalue)
if with_format and entity.e_schema.has_metadata(self.name, 'format'):
fmtwdg = entity.get_widget(self.name + '_format')
fmtwdgstr = fmtwdg.edit_render(entity, tabindex=self.attrs['tabindex'])
self.attrs['tabindex'] = entity.req.next_tabindex()
else:
fmtwdgstr = ''
return u'%s<br/><textarea onkeyup="autogrow(this)" name="%s" %s>%s</textarea>' % (
fmtwdgstr, self.rname, self.format_attrs(), dvalue)
class CheckBoxWidget(Widget):
html_attributes = Widget.html_attributes | set(('checked', ))
def _edit_render(self, entity):
value = self.current_value(entity)
dvalue = self.current_display_value(entity)
return self.hidden_input(entity, value) + checkbox(self.rname, 'checked', self.format_attrs(), dvalue)
def render(self, entity):
if not entity.has_eid():
return u''
if getattr(entity, self.name):
return entity.req._('yes')
return entity.req._('no')
class YesNoRadioWidget(CheckBoxWidget):
html_attributes = Widget.html_attributes | set(('disabled',))
def _edit_render(self, entity):
value = self.current_value(entity)
dvalue = self.current_display_value(entity)
attrs1 = self.format_attrs()
del self.attrs['id'] # avoid duplicate id for xhtml compliance
attrs2 = self.format_attrs()
if dvalue:
attrs1 += ' checked="checked"'
else:
attrs2 += ' checked="checked"'
wdgs = [self.hidden_input(entity, value),
u'<input type="radio" name="%s" value="1" %s/>%s<br/>' % (self.rname, attrs1, entity.req._('yes')),
u'<input type="radio" name="%s" value="" %s/>%s<br/>' % (self.rname, attrs2, entity.req._('no'))]
return '\n'.join(wdgs)
class FileWidget(Widget):
need_multipart = True
def _file_wdg(self, entity):
wdgs = [u'<input type="file" name="%s" %s/>' % (self.rname, self.format_attrs())]
req = entity.req
if (entity.e_schema.has_metadata(self.name, 'format')
or entity.e_schema.has_metadata(self.name, 'encoding')):
divid = '%s-%s-advanced' % (self.name, entity.eid)
wdgs.append(u'<a href="%s" title="%s"><img src="%s" alt="%s"/></a>' %
(xml_escape(toggle_action(divid)),
req._('show advanced fields'),
xml_escape(req.build_url('data/puce_down.png')),
req._('show advanced fields')))
wdgs.append(u'<div id="%s" class="hidden">' % divid)
for extraattr in ('_format', '_encoding'):
if entity.e_schema.has_subject_relation('%s%s' % (self.name, extraattr)):
ewdg = entity.get_widget(self.name + extraattr)
wdgs.append(ewdg.render_label(entity))
wdgs.append(ewdg.edit_render(entity, includehelp=True))
wdgs.append(u'<br/>')
wdgs.append(u'</div>')
if entity.has_eid():
if not self.required(entity):
# trick to be able to delete an uploaded file
wdgs.append(u'<br/>')
wdgs.append(checkbox(eid_param('__%s_detach' % self.rname, entity.eid), False))
wdgs.append(req._('detach attached file %s' % entity.dc_title()))
else:
wdgs.append(u'<br/>')
wdgs.append(req._('currently attached file: %s' % entity.dc_title()))
return '\n'.join(wdgs)
def _edit_render(self, entity):
return self.hidden_input(entity, None) + self._file_wdg(entity)
class TextFileWidget(FileWidget):
def _edit_msg(self, entity):
if entity.has_eid() and not self.required(entity):
msg = entity.req._(
'You can either submit a new file using the browse button above'
', or choose to remove already uploaded file by checking the '
'"detach attached file" check-box, or edit file content online '
'with the widget below.')
else:
msg = entity.req._(
'You can either submit a new file using the browse button above'
', or edit file content online with the widget below.')
return msg
def _edit_render(self, entity):
wdgs = [self._file_wdg(entity)]
if entity.attr_metadata(self.name, 'format') in ('text/plain', 'text/html', 'text/rest'):
msg = self._edit_msg(entity)
wdgs.append(u'<p><b>%s</b></p>' % msg)
twdg = TextWidget(self.vreg, self.subjtype, self.rschema, self.objtype)
twdg.rname = self.rname
data = getattr(entity, self.name)
if data:
encoding = entity.attr_metadata(self.name, 'encoding')
try:
entity[self.name] = unicode(data.getvalue(), encoding)
except UnicodeError:
pass
else:
wdgs.append(twdg.edit_render(entity, with_format=False))
entity[self.name] = data # restore Binary value
wdgs.append(u'<br/>')
return '\n'.join(wdgs)
class ComboBoxWidget(Widget):
html_attributes = Widget.html_attributes | set(('multiple', 'size'))
def __init__(self, vreg, subjschema, rschema, objschema,
multiple=False, **kwattrs):
super(ComboBoxWidget, self).__init__(vreg, subjschema, rschema, objschema,
**kwattrs)
if multiple:
self.attrs['multiple'] = 'multiple'
if not 'size' in self.attrs:
self.attrs['size'] = '5'
# disable access key (dunno why but this is not allowed by xhtml 1.0)
del self.attrs['accesskey']
def vocabulary(self, entity):
raise NotImplementedError()
def form_value(self, entity, value, values):
if value in values:
flag = 'selected="selected"'
else:
flag = ''
return value, flag
def _edit_render(self, entity):
values = self.current_values(entity)
if values:
res = [self.hidden_input(entity, v) for v in values]
else:
res = [self.hidden_input(entity, INTERNAL_FIELD_VALUE)]
dvalues = self.current_display_values(entity)
res.append(u'<select name="%s" %s>' % (self.rname, self.format_attrs()))
for label, value in self.vocabulary(entity):
if value is None:
# handle separator
res.append(u'<optgroup label="%s"/>' % (label or ''))
else:
value, flag = self.form_value(entity, value, dvalues)
res.append(u'<option value="%s" %s>%s</option>' % (value, flag, xml_escape(label)))
res.append(u'</select>')
return '\n'.join(res)
class StaticComboBoxWidget(ComboBoxWidget):
def __init__(self, vreg, subjschema, rschema, objschema,
vocabfunc, multiple=False, sort=False, **kwattrs):
super(StaticComboBoxWidget, self).__init__(vreg, subjschema, rschema, objschema,
multiple, **kwattrs)
self.sort = sort
self.vocabfunc = vocabfunc
def vocabulary(self, entity):
choices = self.vocabfunc(entity=entity)
if self.sort:
choices = sorted(choices)
if self.rschema.rproperty(self.subjtype, self.objtype, 'internationalizable'):
return zip((entity.req._(v) for v in choices), choices)
return zip(choices, choices)
class EntityLinkComboBoxWidget(ComboBoxWidget):
"""to be used be specific forms"""
def current_values(self, entity):
if entity.has_eid():
return [r[0] for r in entity.related(self.name, self.role)]
defaultmeth = 'default_%s_%s' % (self.role, self.name)
if hasattr(entity, defaultmeth):
return getattr(entity, defaultmeth)()
return ()
def vocabulary(self, entity):
return [('', INTERNAL_FIELD_VALUE)] + entity.vocabulary(self.rschema, self.role)
class RawDynamicComboBoxWidget(EntityLinkComboBoxWidget):
def vocabulary(self, entity, limit=None):
req = entity.req
# first see if its specified by __linkto form parameters
linkedto = entity.linked_to(self.name, self.role)
if linkedto:
entities = (req.entity_from_eid(eid) for eid in linkedto)
return [(entity.view('combobox'), entity.eid) for entity in entities]
# it isn't, check if the entity provides a method to get correct values
if not self.required(entity):
res = [('', INTERNAL_FIELD_VALUE)]
else:
res = []
# vocabulary doesn't include current values, add them
if entity.has_eid():
rset = entity.related(self.name, self.role)
relatedvocab = [(e.view('combobox'), e.eid) for e in rset.entities()]
else:
relatedvocab = []
return res + entity.vocabulary(self.rschema, self.role) + relatedvocab
class DynamicComboBoxWidget(RawDynamicComboBoxWidget):
def vocabulary(self, entity, limit=None):
return sorted(super(DynamicComboBoxWidget, self).vocabulary(entity, limit))
class AddComboBoxWidget(DynamicComboBoxWidget):
def _edit_render(self, entity):
req = entity.req
req.add_js( ('cubicweb.ajax.js', 'jquery.js', 'cubicweb.widgets.js') )
values = self.current_values(entity)
if values:
res = [self.hidden_input(entity, v) for v in values]
else:
res = [self.hidden_input(entity, INTERNAL_FIELD_VALUE)]
dvalues = self.current_display_values(entity)
etype_from = entity.e_schema.subject_relation(self.name).objects(entity.e_schema)[0]
res.append(u'<select class="widget" cubicweb:etype_to="%s" cubicweb:etype_from="%s" cubicweb:loadtype="auto" cubicweb:wdgtype="AddComboBox" name="%s" %s>'
% (entity.e_schema, etype_from, self.rname, self.format_attrs()))
for label, value in self.vocabulary(entity):
if value is None:
# handle separator
res.append(u'<optgroup label="%s"/>' % (label or ''))
else:
value, flag = self.form_value(entity, value, dvalues)
res.append(u'<option value="%s" %s>%s</option>' % (value, flag, xml_escape(label)))
res.append(u'</select>')
res.append(u'<div id="newvalue">')
res.append(u'<input type="text" id="newopt" />')
res.append(u'<a href="javascript:noop()" id="add_newopt"> </a></div>')
return '\n'.join(res)
class IntegerWidget(StringWidget):
def __init__(self, vreg, subjschema, rschema, objschema, **kwattrs):
kwattrs['size'] = 5
kwattrs['maxlength'] = 15
StringWidget.__init__(self, vreg, subjschema, rschema, objschema, **kwattrs)
def render_example(self, req):
return '23'
class FloatWidget(StringWidget):
def __init__(self, vreg, subjschema, rschema, objschema, **kwattrs):
kwattrs['size'] = 5
kwattrs['maxlength'] = 15
StringWidget.__init__(self, vreg, subjschema, rschema, objschema, **kwattrs)
def render_example(self, req):
formatstr = req.property_value('ui.float-format')
return formatstr % 1.23
def current_values(self, entity):
values = entity.attribute_values(self.name)
if values:
formatstr = entity.req.property_value('ui.float-format')
value = values[0]
if value is not None:
value = float(value)
else:
return ()
return [formatstr % value]
return ()
class DecimalWidget(StringWidget):
def __init__(self, vreg, subjschema, rschema, objschema, **kwattrs):
kwattrs['size'] = 5
kwattrs['maxlength'] = 15
StringWidget.__init__(self, vreg, subjschema, rschema, objschema, **kwattrs)
def render_example(self, req):
return '345.0300'
class DateWidget(StringWidget):
format_key = 'ui.date-format'
monthnames = ('january', 'february', 'march', 'april',
'may', 'june', 'july', 'august',
'september', 'october', 'november', 'december')
daynames = ('monday', 'tuesday', 'wednesday', 'thursday',
'friday', 'saturday', 'sunday')
@classmethod
def add_localized_infos(cls, req):
"""inserts JS variables defining localized months and days"""
# import here to avoid dependancy from cubicweb-common to simplejson
_ = req._
monthnames = [_(mname) for mname in cls.monthnames]
daynames = [_(dname) for dname in cls.daynames]
req.html_headers.define_var('MONTHNAMES', monthnames)
req.html_headers.define_var('DAYNAMES', daynames)
def __init__(self, vreg, subjschema, rschema, objschema, **kwattrs):
kwattrs.setdefault('size', 10)
kwattrs.setdefault('maxlength', 10)
StringWidget.__init__(self, vreg, subjschema, rschema, objschema, **kwattrs)
def current_values(self, entity):
values = entity.attribute_values(self.name)
if values and hasattr(values[0], 'strftime'):
formatstr = entity.req.property_value(self.format_key)
return [values[0].strftime(str(formatstr))]
return values
def render_example(self, req):
formatstr = req.property_value(self.format_key)
return datetime.now().strftime(str(formatstr))
def _edit_render(self, entity):
wdg = super(DateWidget, self)._edit_render(entity)
cal_button = self.render_calendar_popup(entity)
return wdg+cal_button
def render_help(self, entity):
"""calendar popup widget"""
req = entity.req
help = [ u'<div class="helper">' ]
descr = self.rschema.rproperty(self.subjtype, self.objtype, 'description')
if descr:
help.append('<span>%s</span>' % req._(descr))
example = self.render_example(req)
if example:
help.append('<span>(%s: %s)</span>'
% (req._('sample format'), example))
help.append(u'</div>')
return u' '.join(help)
def render_calendar_popup(self, entity):
"""calendar popup widget"""
req = entity.req
self.add_localized_infos(req)
req.add_js(('cubicweb.ajax.js', 'cubicweb.calendar.js',))
req.add_css(('cubicweb.calendar_popup.css',))
inputid = self.attrs.get('id', self.rname)
helperid = "%shelper" % inputid
_today = datetime.now()
year = int(req.form.get('year', _today.year))
month = int(req.form.get('month', _today.month))
return (u"""<a onclick="toggleCalendar('%s', '%s', %s, %s);" class="calhelper">
<img src="%s" title="%s" alt="" /></a><div class="calpopup hidden" id="%s"></div>"""
% (helperid, inputid, year, month,
req.external_resource('CALENDAR_ICON'), req._('calendar'), helperid) )
class DateTimeWidget(DateWidget):
format_key = 'ui.datetime-format'
def __init__(self, vreg, subjschema, rschema, objschema, **kwattrs):
kwattrs['size'] = 16
kwattrs['maxlength'] = 16
DateWidget.__init__(self, vreg, subjschema, rschema, objschema, **kwattrs)
def render_example(self, req):
formatstr1 = req.property_value('ui.datetime-format')
formatstr2 = req.property_value('ui.date-format')
return req._('%(fmt1)s, or without time: %(fmt2)s') % {
'fmt1': datetime.now().strftime(str(formatstr1)),
'fmt2': datetime.now().strftime(str(formatstr2)),
}
class TimeWidget(StringWidget):
format_key = 'ui.time-format'
def __init__(self, vreg, subjschema, rschema, objschema, **kwattrs):
kwattrs['size'] = 5
kwattrs['maxlength'] = 5
StringWidget.__init__(self, vreg, subjschema, rschema, objschema, **kwattrs)
class EmailWidget(StringWidget):
def render(self, entity):
email = getattr(entity, self.name)
if not email:
return u''
return u'<a href="mailto:%s">%s</a>' % (email, email)
class URLWidget(StringWidget):
def render(self, entity):
url = getattr(entity, self.name)
if not url:
return u''
url = xml_escape(url)
return u'<a href="%s">%s</a>' % (url, url)
class EmbededURLWidget(StringWidget):
def render(self, entity):
url = getattr(entity, self.name)
if not url:
return u''
aurl = xml_escape(entity.build_url('embed', url=url))
return u'<a href="%s">%s</a>' % (aurl, url)
def widget_factory(vreg, subjschema, rschema, objschema, role='subject',
**kwargs):
"""return the most adapated widget to edit the relation
'subjschema rschema objschema' according to information found in the schema
"""
if role == 'subject':
eclass, subjschema = _eclass_eschema(subjschema)
else:
eclass, objschema = _eclass_eschema(objschema)
if eclass is not None and rschema in getattr(eclass, 'widgets', ()):
wcls = WIDGETS[eclass.widgets[rschema]]
elif not rschema.is_final():
card = rschema.rproperty(subjschema, objschema, 'cardinality')
if role == 'object':
multiple = card[1] in '+*'
else: #if role == 'subject':
multiple = card[0] in '+*'
return DynamicComboBoxWidget(vreg, subjschema, rschema, objschema,
role=role, multiple=multiple)
else:
wcls = None
factory = FACTORIES.get(objschema, _default_widget_factory)
return factory(vreg, subjschema, rschema, objschema, wcls=wcls,
role=role, **kwargs)
# factories to find the most adapated widget according to a type and other constraints
def _string_widget_factory(vreg, subjschema, rschema, objschema, wcls=None, **kwargs):
w = None
for c in rschema.rproperty(subjschema, objschema, 'constraints'):
if isinstance(c, StaticVocabularyConstraint):
# may have been set by a previous SizeConstraint but doesn't make sense
# here (even doesn't have the same meaning on a combobox actually)
kwargs.pop('size', None)
return (wcls or StaticComboBoxWidget)(vreg, subjschema, rschema, objschema,
vocabfunc=c.vocabulary, **kwargs)
if isinstance(c, SizeConstraint) and c.max is not None:
# don't return here since a StaticVocabularyConstraint may
# follow
if wcls is None:
if c.max < 257:
_wcls = StringWidget
else:
_wcls = TextWidget
else:
_wcls = wcls
_wcls.size_constraint_attrs(kwargs, c.max)
w = _wcls(vreg, subjschema, rschema, objschema, **kwargs)
if w is None:
w = (wcls or TextWidget)(vreg, subjschema, rschema, objschema, **kwargs)
return w
def _default_widget_factory(vreg, subjschema, rschema, objschema, wcls=None, **kwargs):
if wcls is None:
wcls = _WFACTORIES[objschema]
return wcls(vreg, subjschema, rschema, objschema, **kwargs)
FACTORIES = {
'String' : _string_widget_factory,
'Boolean': _default_widget_factory,
'Bytes': _default_widget_factory,
'Date': _default_widget_factory,
'Datetime': _default_widget_factory,
'Float': _default_widget_factory,
'Decimal': _default_widget_factory,
'Int': _default_widget_factory,
'Password': _default_widget_factory,
'Time': _default_widget_factory,
}
# default widget by entity's type
_WFACTORIES = {
'Boolean': YesNoRadioWidget,
'Bytes': FileWidget,
'Date': DateWidget,
'Datetime': DateTimeWidget,
'Int': IntegerWidget,
'Float': FloatWidget,
'Decimal': DecimalWidget,
'Password': PasswordWidget,
'String' : StringWidget,
'Time': TimeWidget,
}
# widgets registry
WIDGETS = {}
def register(widget_list):
for obj in widget_list:
if isinstance(obj, type) and issubclass(obj, Widget):
if obj is Widget or obj is ComboBoxWidget:
continue
WIDGETS[obj.__name__] = obj
register(globals().values())