本文整理汇总了Python中django.forms.widgets.ClearableFileInput方法的典型用法代码示例。如果您正苦于以下问题：Python widgets.ClearableFileInput方法的具体用法？Python widgets.ClearableFileInput怎么用？Python widgets.ClearableFileInput使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类django.forms.widgets的用法示例。
在下文中一共展示了widgets.ClearableFileInput方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: render
# 需要导入模块: from django.forms import widgets [as 别名]
# 或者: from django.forms.widgets import ClearableFileInput [as 别名]
def render(self, name, value, attrs=None,):
substitutions = {
'clear_checkbox_label': self.clear_checkbox_label,
'initial' : '<img class="img-responsive img-thumbnail" width="%s" src="%s">' % (
force_text('100%'),
force_text(get_thumbnailer(value)['medium'].url if value and hasattr(value, 'url') else static('images/placeholder.svg'))
)
}
template = '%(initial)s%(input)s'
substitutions['input'] = super(ClearableFileInput, self).render(name, value, attrs)
if not self.is_required:
template = '%(initial)s%(clear_template)s%(input)s'
checkbox_name = self.clear_checkbox_name(name)
checkbox_id = self.clear_checkbox_id(checkbox_name)
substitutions['clear_checkbox_name'] = conditional_escape(checkbox_name)
substitutions['clear_checkbox_id'] = conditional_escape(checkbox_id)
substitutions['clear'] = CheckboxInput().render(checkbox_name, False, attrs={'id': checkbox_id})
substitutions['clear_template'] = self.clear_checkbox_name(checkbox_name)
return mark_safe(template % substitutions) 示例2: get_context
# 需要导入模块: from django.forms import widgets [as 别名]
# 或者: from django.forms.widgets import ClearableFileInput [as 别名]
def get_context(self, name, value, attrs):
"""Get the context to render this widget with."""
if self.has_template_widget_rendering:
context = super(ClearableFileInputWithImagePreview, self).get_context(name, value, attrs)
else:
# Build the context manually.
context = {}
context['widget'] = {
'name': name,
'is_hidden': self.is_hidden,
'required': self.is_required,
'value': self._format_value(value),
'attrs': self.build_attrs(self.attrs, attrs),
'template_name': self.template_name,
'type': self.input_type,
}
# It seems Django 1.11's ClearableFileInput doesn't add everything to the 'widget' key, so we can't use it
# in MultiWidget. Add it manually here.
checkbox_name = self.clear_checkbox_name(name)
checkbox_id = self.clear_checkbox_id(checkbox_name)
context['widget'].update({
'checkbox_name': checkbox_name,
'checkbox_id': checkbox_id,
'is_initial': self.is_initial(value),
'input_text': self.input_text,
'initial_text': self.initial_text,
'clear_checkbox_label': self.clear_checkbox_label,
})
if value and hasattr(value, "url"):
context['widget'].update({
'hidden_field_id': self.get_hidden_field_id(name),
'point_stage_id': self.get_point_stage_id(name),
'ppoi_id': self.get_ppoi_id(name),
'sized_url': self.get_sized_url(value),
'image_preview_id': self.image_preview_id(name),
})
return context 示例3: __init__
# 需要导入模块: from django.forms import widgets [as 别名]
# 或者: from django.forms.widgets import ClearableFileInput [as 别名]
def __init__(self, widgets=None, attrs=None):
widgets = [
ClearableFileInput(attrs=None),
Select(attrs=attrs, choices=CENTERPOINT_CHOICES)
]
super(VersatileImagePPOISelectWidget, self).__init__(widgets, attrs) 示例4: value_from_datadict
# 需要导入模块: from django.forms import widgets [as 别名]
# 或者: from django.forms.widgets import ClearableFileInput [as 别名]
def value_from_datadict(self, data, files, name):
"""
Modify value_from_datadict, so that delete takes precedence over
upload.
"""
file_value = super(widgets.ClearableFileInput, self)\
.value_from_datadict(data, files, name)
checkbox_value = widgets.CheckboxInput()\
.value_from_datadict(data, files, self.clear_checkbox_name(name))
if not self.is_required and checkbox_value:
return False
return file_value 示例5: __init__
# 需要导入模块: from django.forms import widgets [as 别名]
# 或者: from django.forms.widgets import ClearableFileInput [as 别名]
def __init__(self, *args, **kwargs):
super(ClearableFileInput, self).__init__(*args, **kwargs)
self.template_name = "core/custom_file_input.html"