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    <p>There is a pluggable django app for that: <a href="https://github.com/digi604/django-smart-selects" rel="nofollow">https://github.com/digi604/django-smart-selects</a></p> <p>You just add a field:</p> <pre><code>location = ChainedForeignKey( 'Location', chained_field='customer', chained_model_field='customer', auto_choose=True, null=True, blank=True, ) </code></pre> <p>(Not tested, but should work.)</p> <p>And in Django admin, if you change <code>Customer</code>, <code>Locations</code> list changes accordingly.</p> <hr> <p><em>UPD.</em> Hm, it appears that I didn't understand your question properly.</p> <ol> <li><p>What do you need <code>Customer</code> field in your <code>Location</code> model for? As far as I can see, <code>CustomerLocation</code> is responsible for linking these two models with one another, and every <code>Customer</code> may be thus linked to multiple <code>Locations</code>. You can achieve this with a <code>ManyToManyField</code> more easily, by the way.</p></li> <li><p>Why do you need to display customers and locations at <code>CustomerLocation</code>? You probably can use Django filters for that. For example:</p> <pre><code>class CustomerLocationAdmin(admin.ModelAdmin): list_display = ('customer', 'location') list_filter = ('location', 'customer') admin.register(CustomerLocation, CustomerLocationAdmin) </code></pre></li> </ol> <p>Then, you get:</p> <ol> <li>A list of customers and locations</li> <li>Two dropdowns for customer and location. You select particular customer or a particular location to get necessary data.</li> </ol> <p>Will this solution work for you?</p>
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    1. PORestrictive selection in django-admin panel
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    1. COThank you. But is there a way via the `queryset` option in my `models.Admin` class?
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    2. COThis helps in displaying along in the admin. What I need is restrictive selection in `Location` (during creating/updating). Like how the `django-smart-selects` achieves. I wan't it to appear in `models.Admin` class only.
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    3. COIn other words, when editing a `Location`, its `customer` field should display a list of those customers who are linked to this particular `Location` instance with a `CustomerLocation` instance, right?
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