Python django-tables2编辑yesno参数用于所有布尔列
我有一个table.py,我想在其中更改每个布尔列的真值和假值的图标。我知道它可以被BooleanColumn的yesno参数修改,但我不知道如何覆盖所有BooleanColumn的默认值。下面是tables.py的代码(aacsb、amba、equis、mba、bsc、msc和doubedegree是布尔字段): 1) 因此,您可以简单地覆盖Python django-tables2编辑yesno参数用于所有布尔列,python,django,django-tables2,Python,Django,Django Tables2,我有一个table.py,我想在其中更改每个布尔列的真值和假值的图标。我知道它可以被BooleanColumn的yesno参数修改,但我不知道如何覆盖所有BooleanColumn的默认值。下面是tables.py的代码(aacsb、amba、equis、mba、bsc、msc和doubedegree是布尔字段): 1) 因此,您可以简单地覆盖yesno哪个默认值是“✔,✘" (只是str): 或删除文本: some_name = BooleanColumn(yesno=',') 2) 使用c
yesno
哪个默认值是“✔,✘" (只是str
):
或删除文本:
some_name = BooleanColumn(yesno=',')
2) 使用css
可以指定自定义图像(不要忘记设置yesno=','
):
3) 指定一些额外属性到span
(但是不要指定类!):
4) 如果出于某些原因,您希望更改默认的类设置行为(true
或false
)-您应该重写BooleanColumn
,它的方法是render
from django.utils.html import escape
from django.utils.safestring import mark_safe
from django_tables2.utils import AttributeDict
class CustomBooleanColumn(BooleanColumn):
def render(self, value):
value = bool(value)
text = self.yesno[int(not value)]
html = '<span %s>%s</span>'
class_name = 'some_class_false'
if value:
class_name = 'some_class_true'
attrs = {'class': 'class_name'}
attrs.update(self.attrs.get('span', {}))
return mark_safe(html % (AttributeDict(attrs).as_html(), escape(text)))
感谢madzohan的回答,下面是完整的代码。请注意,我使用了django-bootstrap3,以便使用引导图标:
from django_tables2 import BooleanColumn, Column, Table
from django.utils.safestring import mark_safe
from django_tables2.utils import AttributeDict
from manager.models import Partner
class BootstrapBooleanColumn(BooleanColumn):
def __init__(self, null=False, **kwargs):
if null:
kwargs["empty_values"] = ()
super(BooleanColumn, self).__init__(**kwargs)
def render(self, value):
value = bool(value)
html = "<span %s></span>"
class_name = "glyphicon glyphicon-remove"
if value:
class_name = "glyphicon glyphicon-ok"
attrs = {'class': class_name}
attrs.update(self.attrs.get('span', {}))
return mark_safe(html % (AttributeDict(attrs).as_html()))
class PartnerTable(Table):
country_name = Column(accessor='country.name', verbose_name='Country')
region_name = Column(accessor='country.region.name', verbose_name='Region')
aacsb = BootstrapBooleanColumn()
amba = BootstrapBooleanColumn()
equis = BootstrapBooleanColumn()
mba = BootstrapBooleanColumn()
bsc = BootstrapBooleanColumn()
msc = BootstrapBooleanColumn()
doubledegree = BootstrapBooleanColumn()
class Meta:
model = Partner
fields = ('name',
'country_name',
'region_name',
'website',
'aacsb',
'amba',
'equis',
'mba',
'bsc',
'msc',
'doubledegree',
)
从django_表2导入布尔列、列、表
从django.utils.safestring导入标记_safe
从django_tables 2.utils导入属性指令
来自manager.models导入合作伙伴
类BootstrapBooleanColumn(BooleanColumn):
定义初始化(self,null=False,**kwargs):
如果为空:
kwargs[“空值”]=()
super(布尔列,self)。\uuuuu init\uuuuuu(**kwargs)
def渲染(自身,值):
值=布尔(值)
html=“”
class_name=“glyphicon glyphicon remove”
如果值:
class_name=“glyphicon glyphicon ok”
attrs={'class':class_name}
update(self.attrs.get('span',{}))
返回mark_safe(html%(AttributeDict(attrs).as_html())
类伙伴表(表):
国家/地区名称=列(访问器='country.name',详细名称='country')
region\u name=列(访问器='country.region.name',verbose\u name='region')
aacsb=bootstrapbooleaancolumn()
amba=bootstrapbooleaancolumn()
equis=bootstrapbooleaancolumn()
mba=bootstrapbooleaancolumn()
bsc=bootstrapbooleaancolumn()
msc=bootstrapbooleaancolumn()
doubledegree=bootstrapbooleaancolumn()
类元:
型号=合作伙伴
字段=('name',
“国家名称”,
“地区名称”,
"网站",,
“aacsb”,
“安巴”,
“马”,
“mba”,
“理学士”,
“理学硕士”,
"双度",,
)
是的,你是对的,(''.split('',')如果是instance('',str)或者tuple('')=['']
那么[''][int(not True)]=='
但是['][int(not False)]==索引器
如果你不使用它,为什么要保留是呢?只要重写\u init code>方法并删除它就行了
span.true {
background: url(../img/true.gif) top center no-repeat;
}
span.false {
background: url(../img/false.gif) top center no-repeat;
}
some_name = BooleanColumn(attrs={'span': {'style': 'color:blue'}})
from django.utils.html import escape
from django.utils.safestring import mark_safe
from django_tables2.utils import AttributeDict
class CustomBooleanColumn(BooleanColumn):
def render(self, value):
value = bool(value)
text = self.yesno[int(not value)]
html = '<span %s>%s</span>'
class_name = 'some_class_false'
if value:
class_name = 'some_class_true'
attrs = {'class': 'class_name'}
attrs.update(self.attrs.get('span', {}))
return mark_safe(html % (AttributeDict(attrs).as_html(), escape(text)))
some_name = CustomBooleanColumn(yesno=',')
from django_tables2 import BooleanColumn, Column, Table
from django.utils.safestring import mark_safe
from django_tables2.utils import AttributeDict
from manager.models import Partner
class BootstrapBooleanColumn(BooleanColumn):
def __init__(self, null=False, **kwargs):
if null:
kwargs["empty_values"] = ()
super(BooleanColumn, self).__init__(**kwargs)
def render(self, value):
value = bool(value)
html = "<span %s></span>"
class_name = "glyphicon glyphicon-remove"
if value:
class_name = "glyphicon glyphicon-ok"
attrs = {'class': class_name}
attrs.update(self.attrs.get('span', {}))
return mark_safe(html % (AttributeDict(attrs).as_html()))
class PartnerTable(Table):
country_name = Column(accessor='country.name', verbose_name='Country')
region_name = Column(accessor='country.region.name', verbose_name='Region')
aacsb = BootstrapBooleanColumn()
amba = BootstrapBooleanColumn()
equis = BootstrapBooleanColumn()
mba = BootstrapBooleanColumn()
bsc = BootstrapBooleanColumn()
msc = BootstrapBooleanColumn()
doubledegree = BootstrapBooleanColumn()
class Meta:
model = Partner
fields = ('name',
'country_name',
'region_name',
'website',
'aacsb',
'amba',
'equis',
'mba',
'bsc',
'msc',
'doubledegree',
)