A simple django widget that appends a character count to a text input which is determined by the max_length
of that particular field.
##Installation
The package can be installed via:
pip install git+https://github.com/timmyomahony/django-charsleft-widget.git
##Usage
There are a few ways of setting a widget for a form field:
###via forms.py
from django import forms
from charsleft_widget.widgets import CharsLeftInput
class ExampleForm(forms.Form):
name = forms.CharField(widget=CharsLeftInput())
or
from django import forms
from charsleft_widget.widgets import CharsLeftInput
class ExampleForm(forms.Form):
name = forms.CharField()
def __init__(self, *args, *kwargs):
super(ExampleForm, self).__init__(*args, **kwargs)
self.fields['name'].widget = CharsLeftInput
from django.contrib import admin
from charsleft_widget.widgets import CharsLeftInput, MediaMixin
# The MediaMixin is what loads the css and javascript only one time per admin page
class ExampleAdmin(MediaMixin, admin.ModelAdmin):
# Use widget on all instances of this form field
formfield_overrides = {
models.TextField: {'widget': CharsLeftInput(attrs={
'maxlength': 200,
'style': "height: 200px; width: 400px;",
})
},
}
or
from django.contrib import admin
from charsleft_widget.widgets import CharsLeftInput, MediaMixin
# The MediaMixin is what loads the css and javascript only one time per admin page
class MyModelAdmin(MediaMixin, admin.ModelAdmin):
pass
# Use widget on particular instances of the form field
def formfield_for_dbfield(self, db_field, **kwargs):
if db_field.name is 'my_field_name':
kwargs['widget'] = CharsLeftInput(attrs={'size':'add normal attrs here, like field size numbers'})
return super(ContentObjectAdmin,self).formfield_for_dbfield(db_field,**kwargs)