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nurzhannogerbek2017-05-11 11:31:12
Django
nurzhannogerbek, 2017-05-11 11:31:12

How to create Multiple Select Box in Django?

Hello!
Please help me figure it out. I'm trying to use the Django Select 2 library , or rather I'm trying to create a Multiple Select Box like in the picture below. The field itself must store objects from the queryset. I tried to use the following code, but as a result I displayed a standard select multiple widget. What did I miss?
django-select-2 version: 5.1.0
jQuery version: 3.1.1

select2.gif
forms.py:

class ProductForm(forms.ModelForm):
    company = forms.ModelMultipleChoiceField(queryset=company.objects.none())

    class Meta:
        model = Product
        fields = ('company ',)
        widgets = {
            'company': Select2MultipleWidget()
        }

    def __init__(self, all_companies, *args, **kwargs):
        super(ProductForm, self).__init__(*args, **kwargs)
        self.fields['company'].queryset = all_companies

template:
{% block style %}
   {{ product_form.media.css }}
{% endblock %}

{% load widget_tweaks %}

<form method="post" action="">
    {% csrf_token %}
    <div class="modal-body">
        {% for field in product_form %}
            <div class="form-group{% if field.errors %} has-danger{% endif %}">
                <label class="form-control-label" for="{{ field.id_for_label }}">{{ field.label }}</label>

                {% render_field field class="form-control" %}

                {% for error in field.errors %}
                    <div class="form-control-feedback">{{ error }}</div>
                {% endfor %}
            </div>
        {% endfor %}
    </div>
    <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
        <button type="submit" class="btn btn-primary">Create</button>
    </div>
</form>

{% block script %}
   {{ product_form.media.js }}
{% endblock %}

JS:
$(function () {
    var loadForm = function () {
        var btn = $(this);
        $.ajax({
            url: btn.attr("data-url"),
            type: 'get',
            dataType: 'json',
            beforeSend: function () {
                $('#id_company').djangoSelect2({multiple: true});
                $("#modal").modal("show");
            },
            success: function (data) {
                $("#modal .modal-content").html(data.html_product_form);
            }
        });
    };

    $("#product-add-button").click(loadForm);
});

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