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I want to use a select2 widget for a manytomanyfield in django. There are several django/select2 modules, but the documentation is confusing, and I can't find a simple example of what I want. Thanks for any help.
656
Good place to start is django-select2, they have a good work example also.
Here I just figure out the main idea in the context of their example
model
@python_2_unicode_compatible
class Album(models.Model):
title = models.CharField(max_length=255)
artist = models.ForeignKey(Artist)
featured_artists = models.ManyToManyField(Artist, blank=True, related_name='featured_album_set')
primary_genre = models.ForeignKey(Genre, blank=True, null=True, related_name='primary_album_set')
genres = models.ManyToManyField(Genre)
def __str__(self):
return self.title
The fields what are will be mapped to the select2 presented here with ManyToMany relationship type.
form
class AlbumSelect2WidgetForm(forms.ModelForm):
class Meta:
model = models.Album
fields = (
'artist',
'primary_genre',
)
widgets = {
'artist': Select2Widget,
'primary_genre': Select2Widget,
}
It is very easy to customize Select2Widget, if it will be need.
And the final - html part
{% load staticfiles %}
<!DOCTYPE html>
<html>
<head>
{{ form.media.css }}
<style type="text/css">
select {
width: 200px;
}
</style>
</head>
<body>
<form method="post" action="">
{% csrf_token %}
{{ form }}
<input type="submit" value="Submit Form"/>
</form>
<script src="{% static '//code.jquery.com/jquery-2.1.4.min.js' %}"></script>
<script type="text/javascript">
window.onerror = function (msg) {
$("body").attr("JSError", msg);
}
</script>
{{ form.media.js }}
</body>
In Django >= 2.0,
The new ModelAdmin.autocomplete_fields attribute and ModelAdmin.get_autocomplete_fields() method allow using an Select2 search widget for ForeignKey and ManyToManyField.
Source : https://docs.djangoproject.com/en/2.0/releases/2.0/#minor-features
26
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