from __future__ import absolute_import
from collections import OrderedDict
from django.core.exceptions import PermissionDenied, ObjectDoesNotExist
from django.core.paginator import InvalidPage, Paginator
from django.core.urlresolvers import NoReverseMatch
from django.db import models
from django.http import HttpResponseRedirect
from django.template.response import SimpleTemplateResponse, TemplateResponse
from django.utils import six
from django.utils.encoding import force_text, smart_text
from django.utils.html import escape, conditional_escape
from django.utils.safestring import mark_safe
from django.utils.text import capfirst
from django.utils.translation import ugettext as _
from xadmin.util import lookup_field, display_for_field, label_for_field, boolean_icon
from .base import ModelAdminView, filter_hook, inclusion_tag, csrf_protect_m
# List settings
ALL_VAR = 'all'
ORDER_VAR = 'o'
PAGE_VAR = 'p'
TO_FIELD_VAR = 't'
COL_LIST_VAR = '_cols'
ERROR_FLAG = 'e'
DOT = '.'
# Text to display within change-list table cells if the value is blank.
EMPTY_CHANGELIST_VALUE = _('Null')
class FakeMethodField(object):
"""
This class used when a column is an model function, wrap function as a fake field to display in select columns.
"""
def __init__(self, name, verbose_name):
# Initial comm field attrs
self.name = name
self.verbose_name = verbose_name
self.primary_key = False
class ResultRow(dict):
pass
class ResultItem(object):
def __init__(self, field_name, row):
self.classes = []
self.text = ' '
self.wraps = []
self.tag = 'td'
self.tag_attrs = []
self.allow_tags = False
self.btns = []
self.menus = []
self.is_display_link = False
self.row = row
self.field_name = field_name
self.field = None
self.attr = None
self.value = None
@property
def label(self):
text = mark_safe(
self.text) if self.allow_tags else conditional_escape(self.text)
if force_text(text) == '':
text = mark_safe(' ')
for wrap in self.wraps:
text = mark_safe(wrap % text)
return text
@property
def tagattrs(self):
return mark_safe(
'%s%s' % ((self.tag_attrs and ' '.join(self.tag_attrs) or ''),
(self.classes and (' class="%s"' % ' '.join(self.classes)) or '')))
class ResultHeader(ResultItem):
def __init__(self, field_name, row):
super(ResultHeader, self).__init__(field_name, row)
self.tag = 'th'
self.tag_attrs = ['scope="col"']
self.sortable = False
self.allow_tags = True
self.sorted = False
self.ascending = None
self.sort_priority = None
self.url_primary = None
self.url_remove = None
self.url_toggle = None
class ListAdminView(ModelAdminView):
"""
Display models objects view. this class has ordering and simple filter features.
"""
list_display = ('__str__',)
list_display_links = ()
list_display_links_details = False
list_select_related = None
list_per_page = 50
list_max_show_all = 200
list_exclude = ()
search_fields = ()
paginator_class = Paginator
ordering = None
# Change list templates
object_list_template = None
def init_request(self, *args, **kwargs):
if not self.has_view_permission():
raise PermissionDenied
request = self.request
request.session['LIST_QUERY'] = (self.model_info, self.request.META['QUERY_STRING'])
self.pk_attname = self.opts.pk.attname
self.lookup_opts = self.opts
self.list_display = self.get_list_display()
self.list_display_links = self.get_list_display_links()
# Get page number parameters from the query string.
try:
self.page_num = int(request.GET.get(PAGE_VAR, 0))
except ValueError:
self.page_num = 0
# Get params from request
self.show_all = ALL_VAR in request.GET
self.to_field = request.GET.get(TO_FIELD_VAR)
self.params = dict(request.GET.items())
if PAGE_VAR in self.params:
del self.params[PAGE_VAR]
if ERROR_FLAG in self.params:
del self.params[ERROR_FLAG]
@filter_hook
def get_list_display(self):
"""
Return a sequence containing the fields to be displayed on the list.
"""
self.base_list_display = (COL_LIST_VAR in self.request.GET and self.request.GET[COL_LIST_VAR] != "" and \
self.request.GET[COL_LIST_VAR].split('.')) or self.list_display
return list(self.base_list_display)
@filter_hook
def get_list_display_links(self):
"""
Return a sequence containing the fields to be displayed as links
on the changelist. The list_display parameter is the list of fields
returned by get_list_display().
"""
if self.list_display_links or not self.list_display:
return self.list_display_links
else:
# Use only the first item in list_display as link
return list(self.list_display)[:1]
def make_result_list(self):
# Get search parameters from the query string.
self.base_queryset = self.queryset()
self.list_queryset = self.get_list_queryset()
self.ordering_field_columns = self.get_ordering_field_columns()
self.paginator = self.get_paginator()
# Get the number of objects, with admin filters applied.
self.result_count = self.paginator.count
self.can_show_all = self.result_count <= self.list_max_show_all
self.multi_page = self.result_count > self.list_per_page
# Get the list of objects to display on this page.
if (self.show_all and self.can_show_all) or not self.multi_page:
self.result_list = self.list_queryset._clone()
else:
try:
self.result_list = self.paginator.page(
self.page_num + 1).object_list
except InvalidPage:
if ERROR_FLAG in self.request.GET.keys():
return SimpleTemplateResponse('xadmin/views/invalid_setup.html', {
'title': _('Database error'),
})
return HttpResponseRedirect(self.request.path + '?' + ERROR_FLAG + '=1')
self.has_more = self.result_count > (
self.list_per_page * self.page_num + len(self.result_list))
@filter_hook
def get_result_list(self):
return self.make_result_list()
@filter_hook
def post_result_list(self):
return self.make_result_list()
@filter_hook
def get_list_queryset(self):
"""
Get model queryset. The query has been filted and ordered.
"""
# First, get queryset from base class.
queryset = self.queryset()
# Use select_related() if one of the list_display options is a field
# with a relationship and the provided queryset doesn't already have
# select_related defined.
if not queryset.query.select_related:
if self.list_select_related:
queryset = queryset.select_related()
elif self.list_select_related is None:
related_fields = []
for field_name in self.list_display:
try:
field = self.opts.get_field(field_name)
except models.FieldDoesNotExist:
pass
else:
if isinstance(field.rel, models.ManyToOneRel):
related_fields.append(field_name)
if related_fields:
queryset = queryset.select_related(*related_fields)
else:
pass
# Then, set queryset ordering.
queryset = query
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使用Python的web框架Django进行开发的一个在线教育系统!.zip
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使用Python的web框架Django进行开发的一个在线教育系统!.zip (2016个子文件)
getContent.ashx 1KB
getContent.ashx 1KB
getContent.ashx 1KB
getContent.asp 420B
getContent.asp 420B
getContent.asp 420B
config 335B
style.css 156KB
bootstrap.css 123KB
bootstrap.css 123KB
bootstrap.min.css 100KB
bootstrap.min.css 100KB
animate.css 72KB
aui.css 61KB
common-less.css 48KB
ueditor.css 43KB
ueditor.css 43KB
ueditor.css 43KB
font-awesome.css 37KB
font-awesome.css 37KB
ueditor.min.css 34KB
ueditor.min.css 34KB
ueditor.min.css 34KB
font-awesome.min.css 30KB
font-awesome.min.css 30KB
mobiscroll.css 26KB
common-less.css 22KB
video-js.css 21KB
video-js.css 21KB
video-js.css 21KB
mooc.css 20KB
bootstrap-theme.css 19KB
bootstrap-theme.css 19KB
select2.css 19KB
select2.css 19KB
image.css 19KB
image.css 19KB
image.css 19KB
bootstrap-theme.min.css 17KB
bootstrap-theme.min.css 17KB
course-comment.css 16KB
video.css 15KB
video.css 15KB
video.css 15KB
selectize.bootstrap2.css 15KB
selectize.bootstrap2.css 15KB
attachment.css 15KB
attachment.css 15KB
attachment.css 15KB
selectize.default.css 11KB
selectize.default.css 11KB
video-js.min.css 11KB
video-js.min.css 11KB
video-js.min.css 11KB
layer.css 11KB
selectize.legacy.css 11KB
selectize.legacy.css 11KB
selectize.bootstrap3.css 10KB
selectize.bootstrap3.css 10KB
cityLayout.css 10KB
datepicker.css 10KB
datepicker.css 10KB
learn-less.css 9KB
login.css 9KB
selectize.css 8KB
selectize.css 8KB
xadmin.main.css 8KB
xadmin.main.css 8KB
shCoreDefault.css 7KB
shCoreDefault.css 7KB
shCoreDefault.css 7KB
laydate.css 6KB
lq.datetimepick.css 5KB
base.css 4KB
xadmin.responsive.css 4KB
xadmin.responsive.css 4KB
bootstrap-modal.css 4KB
bootstrap-modal.css 4KB
scrawl.css 4KB
scrawl.css 4KB
scrawl.css 4KB
xadmin.form.css 4KB
xadmin.form.css 4KB
bootstrap-clockpicker.css 4KB
bootstrap-clockpicker.css 4KB
laydate.css 3KB
bootstrap-image-gallery.css 3KB
bootstrap-image-gallery.css 3KB
bootstrap-clockpicker.min.css 3KB
bootstrap-clockpicker.min.css 3KB
codemirror.css 3KB
codemirror.css 3KB
codemirror.css 3KB
layer.ext.css 3KB
reset.css 3KB
bootstrap-timepicker.css 3KB
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