使用kindeditor
下载解压到blogproject/static/js/
在文章文件内添加media
class ActicleAdmin(admin.ModelAdmin):
#fields=(('title','desc'),'content')
fieldsets = (
(None, {
'fields': ('desc', 'title', 'content', 'category')
}),
('Advanced options', {
'classes': ( 'collapse',),
'fields': ('click_count', 'is_recommend', 'user')
}),
)
class Media:
js =(
'/static/js/kindeditor-4.1.10/kindeditor-min.js',
'/static/js/kindeditor-4.1.10/lang/zh_CN.js',
'/static/js/kindeditor-4.1.10/config.js',
)
。。。
使用
新建/static/js/kindeditor-4.1.10/config.js配置文件。
插入如下(查看kindeditor帮助)
KindEditor.ready(function(K) {
window.editor = K.create('#id_content',#文章编写处的css-seletor
{
width : '900px',
height : '300px'
}
);});
ModelAdmin methods
save_model(request, obj, form, change)
此方法为admin界面用户保存model实例时的行为。request为HttpRequest实例,obj为model实例,form为ModelForm实例,change为bool值,取决于model实例是新增的还是修改的。
重写此方法可以做一些pre-save或者post-save行为。
比如,可以把request.user保存为model实例的属性:
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from django.contrib import admin
class ArticleAdmin(admin.ModelAdmin):
def save_model( self , request, obj, form, change):
obj.user = request.user
obj.save()
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delete_model(request, obj)
admin界面用户删除model实例时的方法。
save_formset(request, form, formset, change)
admin界面用户保存formset的方法,可以改写:
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class ArticleAdmin(admin.ModelAdmin):
def save_formset( self , request, form, formset, change):
instances = formset.save(commit = False )
for instance in instances:
instance.user = request.user
instance.save()
formset.save_m2m()
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get_ordering(request)
排序。
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class PersonAdmin(admin.ModelAdmin):
def get_ordering( self , request):
if request.user.is_superuser:
return [ 'name' , 'rank' ]
else :
return [ 'name' ]
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get_search_results(request, queryset, search_term)
可以定制查询结果。
save_related(request, form, formsets, change)
formsets是model的inline formsets的列表。model的相关对象保存时的行为。
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def save_related( self , request, form, formsets, change):
"""
Given the ``HttpRequest``, the parent ``ModelForm`` instance, the
list of inline formsets and a boolean value based on whether the
parent is being added or changed, save the related objects to the
database. Note that at this point save_form() and save_model() have
already been called.
"""
form.save_m2m()
for formset in formsets:
self .save_formset(request, form, formset, change = change)
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get_readonly_fields(request, obj=None)
返回只读字段。
get_prepopulated_fields(request, obj=None)
返回预置字段。
get_list_display(request)
返回list_display。
get_list_display_links(request, list_display)
返回list_display_link。
get_fields(request, obj=None)
返回fields。
get_fieldsets(request, obj=None)
返回fieldsets。
get_list_filter(request)
返回list_filter。
get_search_fields(request)
返回search_fields。
get_inline_instances(request, obj=None)
返回InlineModelAdmin对象的列表或元组
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class MyModelAdmin(admin.ModelAdmin):
def get_inline_instances( self , request, obj = None ):
return [inline( self .model, self .admin_site) for inline in self .inlines]
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get_urls()
返回ModelAdmin的可用urls。
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class MyModelAdmin(admin.ModelAdmin):
def get_urls( self ):
urls = super (MyModelAdmin, self ).get_urls()
my_urls = patterns('',
(r '^my_view/$' , self .my_view)
)
return my_urls + urls
def my_view( self , request):
# custom view which should return an HttpResponse
pass
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上面my_view方法的路径就是 /admin/myapp/mymodel/my_view/ 。
不过上面的例子中无验证和缓存,要提供验证和缓存:
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class MyModelAdmin(admin.ModelAdmin):
def get_urls( self ):
urls = super (MyModelAdmin, self ).get_urls()
my_urls = patterns('',
(r '^my_view/$' , self .admin_site.admin_view( self .my_view))
)
return my_urls + urls
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如果页面可缓存而还是要进行权限验证:
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(r '^my_view/$' , self .admin_site.admin_view( self .my_view, cacheable = True ))
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get_form(request, obj=None, **kwargs)
返回add和change view使用的ModelForm。下面用户非superuser时会隐藏一些字段。
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class MyModelAdmin(admin.ModelAdmin):
def get_form( self , request, obj = None , * * kwargs):
self .exclude = []
if not request.user.is_superuser:
self .exclude.append( 'field_to_hide' )
return super (MyModelAdmin, self ).get_form(request, obj, * * kwargs)
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get_formsets(request, obj=None)
Yields InlineModelAdmins for use in admin add and change views.
如果只想在the change view中展示一个特殊的inline:
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class MyModelAdmin(admin.ModelAdmin):
inlines = [MyInline, SomeOtherInline]
def get_formsets( self , request, obj = None ):
for inline in self .get_inline_instances(request, obj):
# hide MyInline in the add view
if isinstance (inline, MyInline) and obj is None :
continue
yield inline.get_formset(request, obj)
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get_formsets_with_inlines(request, obj=None)
Yields (FormSet, InlineModelAdmin) pairs for use in admin add and change views.
如果只想在the change view中展示一个特殊的inline:
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class MyModelAdmin(admin.ModelAdmin):
inlines = [MyInline, SomeOtherInline]
def get_formsets_with_inlines( self , request, obj = None ):
for inline in self .get_inline_instances(request, obj):
# hide MyInline in the add view
if isinstance (inline, MyInline) and obj is None :
continue
yield inline.get_formset(request, obj), inline
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formfield_for_foreignkey(db_field, request, **kwargs)
Foreignkey字段使用的默认formfield. 根据不同的用户返回不同的子集:
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class MyModelAdmin(admin.ModelAdmin):
def formfield_for_foreignkey( self , db_field, request, * * kwargs):
if db_field.name = = "car" :
kwargs[ "queryset" ] = Car.objects. filter (owner = request.user)
return super (MyModelAdmin, self ).formfield_for_foreignkey(db_field, request, * * kwargs)
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formfield_for_manytomany(db_field, request, **kwargs)
类似于formfield_for_foreignkey,这个方法用于many to many字段.:
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class MyModelAdmin(admin.ModelAdmin):
def formfield_for_manytomany( self , db_field, request, * * kwargs):
if db_field.name = = "cars" :
kwargs[ "queryset" ] = Car.objects. filter (owner = request.user)
return super (MyModelAdmin, self ).formfield_for_manytomany(db_field, request, * * kwargs)
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ModelAdmin.formfield_for_choice_field(db_field, request, **kwargs)
类似于formfield_for_foreignkey和formfield_for_manytomany,这个方法用于choices:
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class MyModelAdmin(admin.ModelAdmin):
def formfield_for_choice_field( self , db_field, request, * * kwargs):
if db_field.name = = "status" :
kwargs[ 'choices' ] = (
( 'accepted' , 'Accepted' ),
( 'denied' , 'Denied' ),
)
if request.user.is_superuser:
kwargs[ 'choices' ] + = (( 'ready' , 'Ready for deployment' ),)
return super (MyModelAdmin, self ).formfield_for_choice_field(db_field, request, * * kwargs)
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ModelAdmin.get_changelist(request, **kwargs)
返回changelist页面使用的Changelis类. 缺省django.contrib.admin.views.main.ChangeList。
ModelAdmin.get_changelist_form(request, **kwargs)
返回changelist页面使用的ModelForm类。
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from django import forms
class MyForm(forms.ModelForm):
pass
class MyModelAdmin(admin.ModelAdmin):
def get_changelist_form( self , request, * * kwargs):
return MyForm
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ModelAdmin.get_changelist_formset(request, **kwargs)
返回changelist页面使用的ModelFormSet类。
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from django.forms.models import BaseModelFormSet
class MyAdminFormSet(BaseModelFormSet):
pass
class MyModelAdmin(admin.ModelAdmin):
def get_changelist_formset( self , request, * * kwargs):
kwargs[ 'formset' ] = MyAdminFormSet
return super (MyModelAdmin, self ).get_changelist_formset(request, * * kwargs)
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ModelAdmin.has_add_permission(request)
是否具有add权限。
ModelAdmin.has_change_permission(request, obj=None)
是否具有change权限。
ModelAdmin.has_delete_permission(request, obj=None)
是否具有delete权限。
ModelAdmin.get_queryset(request)
返回admin界面可编辑的model QuerySet集。 根据不同的user返回不同的结果:
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class MyModelAdmin(admin.ModelAdmin):
def get_queryset( self , request):
qs = super (MyModelAdmin, self ).get_queryset(request)
if request.user.is_superuser:
return qs
return qs. filter (author = request.user)
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ModelAdmin.message_user(request, message, level=messages.INFO, extra_tags='', fail_silently=False)
向使用django.contrib.messages backend的用户发送信息。
ModelAdmin.get_paginator(queryset, per_page, orphans=0, allow_empty_first_page=True)
返回一个分页实例。Returns an instance of the paginator to use for this view. By default, instantiates an instance of paginator.
ModelAdmin.response_add(request, obj, post_url_continue=None)
决定add_view()的HttpResponse,model被创建后运行。
ModelAdmin.response_change(request, obj)
决定change_view()的HttpResponse,model被修改后运行。
ModelAdmin.response_delete(request, obj_display)
决定delete_view()的HttpResponse,model被删除后运行。
obj_display是被删除对象的name。
ModelAdmin.get_changeform_initial_data(request)
A hook for the initial data on admin change forms. By default, fields are given initial values from GET parameters. For instance, ?name=initial_value will set the name field’s initial value to be initial_value.
This method should return a dictionary in the form {'fieldname': 'fieldval'}:
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def get_changeform_initial_data( self , request):
return { 'name' : 'custom_initial_value' }
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Other methods
ModelAdmin.add_view(request, form_url='', extra_context=None)
Django view for the model instance addition page. See note below.
ModelAdmin.change_view(request, object_id, form_url='', extra_context=None)
Django view for the model instance edition page. See note below.
ModelAdmin.changelist_view(request, extra_context=None)
Django view for the model instances change list/actions page. See note below.
ModelAdmin.delete_view(request, object_id, extra_context=None)
Django view for the model instance(s) deletion confirmation page. See note below.
ModelAdmin.history_view(request, object_id, extra_context=None)
Django view for the page that shows the modification history for a given model instance.
这5个方法是被实际的设定为django的view方法的。可以重构,一般是添加渲染view使用的模板的context data:
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class MyModelAdmin(admin.ModelAdmin):
# A template for a very customized change view:
change_form_template = 'admin/myapp/extras/openstreetmap_change_form.html'
def get_osm_info( self ):
# ...
pass
def change_view( self , request, object_id, form_url = '', extra_context = None ):
extra_context = extra_context or {}
extra_context[ 'osm_data' ] = self .get_osm_info()
return super (MyModelAdmin, self ).change_view(request, object_id,
form_url, extra_context = extra_context)
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ModelAdmin asset definitions
为ModelAdmin的 add/change views添加js和css:
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class ArticleAdmin(admin.ModelAdmin):
class Media:
css = {
"all" : ( "my_styles.css" ,)
}
js = ( "my_code.js" ,)
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Adding custom validation to the admin
定制form:
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class MyArticleAdminForm(forms.ModelForm):
def clean_name( self ):
# do something that validates your data
return self .cleaned_data[ "name" ]
class ArticleAdmin(admin.ModelAdmin):
form = MyArticleAdminForm
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