def display_for_field(value, field):
from xadmin.defs import EMPTY_CHANGELIST_VALUE
if field.flatchoices:
if hasattr(value, '__iter__'):
rets = [
dict(field.flatchoices).get(e, EMPTY_CHANGELIST_VALUE)
for e in value
]
return ','.join(rets)
else:
return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
# NullBooleanField needs special-case null-handling, so it comes
# before the general null test.
elif isinstance(field, models.BooleanField) or isinstance(
field, models.NullBooleanField):
return boolean_icon(value)
elif value is None:
return EMPTY_CHANGELIST_VALUE
elif isinstance(field, models.DateTimeField):
return formats.localize(tz_localtime(value))
elif isinstance(field, (models.DateField, models.TimeField)):
return formats.localize(value)
elif isinstance(field, models.DecimalField):
return formats.number_format(value, field.decimal_places)
elif isinstance(field, models.FloatField):
return formats.number_format(value)
elif isinstance(field.rel, models.ManyToManyRel):
return ', '.join([smart_unicode(obj) for obj in value.all()])
else:
return smart_unicode(value)
def choices(self):
yield {
'selected': (self.lookup_exact_val is '' and self.lookup_isnull_val is ''),
'query_string': self.query_string({}, [self.lookup_exact_name, self.lookup_isnull_name]),
'display': _('All'),
}
include_none = False
for val in self.lookup_choices:
if val is None:
include_none = True
continue
val = smart_unicode(val)
yield {
'selected': self.lookup_exact_val == val,
'query_string': self.query_string({self.lookup_exact_name: val},
[self.lookup_isnull_name]),
'display': val,
}
if include_none:
yield {
'selected': bool(self.lookup_isnull_val),
'query_string': self.query_string({self.lookup_isnull_name: 'True'},
[self.lookup_exact_name]),
'display': EMPTY_CHANGELIST_VALUE,
}
def _get_new_field_html(self, field_name):
try:
f, attr, value = lookup_field(field_name, self.org_obj, self)
except (AttributeError, ObjectDoesNotExist):
return EMPTY_CHANGELIST_VALUE
else:
allow_tags = False
if f is None:
allow_tags = getattr(attr, 'allow_tags', False)
boolean = getattr(attr, 'boolean', False)
if boolean:
allow_tags = True
text = boolean_icon(value)
else:
text = dutils.smart_unicode(value)
else:
if isinstance(f.rel, models.ManyToOneRel):
field_val = getattr(self.org_obj, f.name)
if field_val is None:
text = EMPTY_CHANGELIST_VALUE
else:
text = field_val
else:
text = display_for_field(value, f)
return mark_safe(text) if allow_tags else conditional_escape(text)
def init(self):
self.label = label_for_field(self.field_name,
self.obj.__class__,
model_admin=self.admin_view,
return_attr=False)
try:
f, attr, value = lookup_field(self.field_name, self.obj,
self.admin_view)
except (AttributeError, ObjectDoesNotExist):
self.text
else:
if f is None:
self.allow_tags = getattr(attr, 'allow_tags', False)
boolean = getattr(attr, 'boolean', False)
if boolean:
self.allow_tags = True
self.text = boolean_icon(value)
else:
self.text = smart_unicode(value)
else:
if isinstance(f.rel, models.ManyToOneRel):
self.text = getattr(self.obj, f.name)
else:
self.text = display_for_field(value, f)
self.field = f
self.attr = attr
self.value = value
def default(self, o):
if isinstance(o, (datetime.date, datetime.datetime)):
return calendar.timegm(o.timetuple()) * 1000
elif isinstance(o, decimal.Decimal):
return str(o)
else:
try:
return super(JSONEncoder, self).default(o)
except Exception:
return dutils.smart_unicode(o)
def choices(self):
yield {
'selected': self.lookup_exact_val is '',
'query_string': self.query_string({}, [self.lookup_exact_name]),
'display': _('All')
}
for lookup, title in self.field.flatchoices:
yield {
'selected': smart_unicode(lookup) == self.lookup_exact_val,
'query_string': self.query_string({self.lookup_exact_name: lookup}),
'display': title,
}
def _to_xml(self, xml, data):
if isinstance(data, (list, tuple)):
for item in data:
xml.startElement("row", {})
self._to_xml(xml, item)
xml.endElement("row")
elif isinstance(data, dict):
for key, value in data.iteritems():
key = key.replace(' ', '_')
xml.startElement(key, {})
self._to_xml(xml, value)
xml.endElement(key)
else:
xml.characters(smart_unicode(data))
def choices(self):
self.lookup_in_val = (type(self.lookup_in_val) in (tuple,list)) and self.lookup_in_val or list(self.lookup_in_val)
yield {
'selected': len(self.lookup_in_val) == 0,
'query_string': self.query_string({},[self.lookup_in_name]),
'display': _('All'),
}
for val in self.lookup_choices:
yield {
'selected': smart_unicode(val) in self.lookup_in_val,
'query_string': self.query_string({self.lookup_in_name: ",".join([val]+self.lookup_in_val),}),
'remove_query_string': self.query_string({self.lookup_in_name: ",".join([v for v in self.lookup_in_val if v != val]),}),
'display': val,
}
def display_for_value(value, boolean=False):
from xadmin.views.list import EMPTY_CHANGELIST_VALUE
if boolean:
return boolean_icon(value)
elif value is None:
return EMPTY_CHANGELIST_VALUE
elif isinstance(value, datetime.datetime):
return formats.localize(tz_localtime(value))
elif isinstance(value, (datetime.date, datetime.time)):
return formats.localize(value)
elif isinstance(value, (decimal.Decimal, float)):
return formats.number_format(value)
else:
return smart_unicode(value)
def choices(self):
yield {
'selected': self.lookup_exact_val == '' and not self.lookup_isnull_val,
'query_string': self.query_string({},
[self.lookup_exact_name, self.lookup_isnull_name]),
'display': _('All'),
}
for pk_val, val in self.lookup_choices:
yield {
'selected': self.lookup_exact_val == smart_unicode(pk_val),
'query_string': self.query_string({
self.lookup_exact_name: pk_val,
}, [self.lookup_isnull_name]),
'display': val,
}
if self.check_null():
yield {
'selected': bool(self.lookup_isnull_val),
'query_string': self.query_string({
self.lookup_isnull_name: 'True',
}, [self.lookup_exact_name]),
'display': EMPTY_CHANGELIST_VALUE,
}
def help_text_for_field(name, model):
try:
help_text = model._meta.get_field_by_name(name)[0].help_text
except models.FieldDoesNotExist:
help_text = ""
return smart_unicode(help_text)
def valid_value(self, value):
value = self.prepare_value(value)
for k, v in self.choices:
if value == dutils.smart_unicode(k):
return True
return False
def result_item(self, obj, field_name, row):
"""
返回某一对象某一列的数据, :class:`ResultItem` 实例.
:param obj: Model 对象
:param field_name: 列的名字
:param row: :class:`ResultHeader` 实例
"""
item = ResultItem(field_name, row) # 首先初始化
field_name_split = field_name.split('.')
field_name = field_name_split[0]
try:
f, attr, value = lookup_field(field_name, obj, self)
except (AttributeError, ObjectDoesNotExist):
item.text = mark_safe("<span class='text-muted'>%s</span>" %
EMPTY_CHANGELIST_VALUE)
else:
if f is None:
# Model 属性或是 OptionClass 属性列
item.allow_tags = getattr(attr, 'allow_tags', False)
boolean = getattr(attr, 'boolean', False)
if boolean:
item.allow_tags = True
item.text = boolean_icon(value)
else:
item.text = smart_unicode(value)
else:
# 处理关联咧
if isinstance(f.rel, models.ManyToOneRel):
field_val = getattr(obj, f.name)
if field_val is None:
item.text = mark_safe(
"<span class='text-muted'>%s</span>" %
EMPTY_CHANGELIST_VALUE)
else:
if len(field_name_split) > 1:
item.text = getattr(field_val, field_name_split[1])
else:
item.text = field_val
else:
item.text = display_for_field(value, f)
if isinstance(f, models.DateField)\
or isinstance(f, models.TimeField)\
or isinstance(f, models.ForeignKey):
item.classes.append('nowrap')
item.field = f
item.attr = attr
item.value = value
# 如果没有指定 ``list_display_links`` , 使用第一列作为内容连接列.
if (item.row['is_display_first'] and not self.list_display_links) \
or field_name in self.list_display_links:
item.row['is_display_first'] = False
item.is_display_link = True
if self.list_display_links_details:
url = self.get_detail_url(obj)
#item_res_uri = self.model_admin_url("detail", getattr(obj, self.pk_name))
#if item_res_uri:
# edit_url = self.model_admin_url("change", getattr(obj, self.pk_name))
# item.wraps.append('<a data-res-uri="%s" data-edit-uri="%s" class="details-handler" rel="tooltip" title="%s">%%s</a>'
# % (item_res_uri, edit_url, _(u'Details of %s') % str(obj)))
else:
url = self.get_object_url(obj)
if self.pop:
if 's' in self.request.GET:
show = getattr(obj, self.request.GET.get('s'))
if callable(show): show = show()
else:
show = escape(Truncator(obj).words(14, truncate='...'))
show = str(show).replace('%', '%%').replace("\'", "\\\'")
pop = format_html(
' class="for_multi_select" show="{0}" sid="{1}" ', show,
getattr(obj, self.request.GET.get('t')))
else:
pop = ''
item.wraps.append(u'<a href="%s" %s>%%s</a>' % (url, pop))
return item
