Re: Field Select MasterDetail

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On Friday, November 1, 2019 at 4:25:06 AM UTC+5:30, J-23 wrote:

Hello,

I am new to Django. I have a FormFault model, which has two foreign keys "BuildingOwner" and "Building", the key "Building" depends on "BuildingOwner" on the form, it gives me two fields of type Select (ComboBox) or is there a way in Django that the content of ComboBox changes depending on "BuildingOwner" values?

from django.db import models

class Items(models.Model):

   Item_Text = models.CharField("Temat", max_length=100)

    def __str__(self):

       return self.Item_Text

   

    class Meta:

        verbose_name = "Temat zgłoszenia"

        verbose_name_plural = "Temat zgłoszeń"

class DocumentType(models.Model):

   Document_Text = models.CharField("Rodzaj", max_length=100)

    def __str__(self):

       return self.Document_Text

   

   class Meta:

       verbose_name = "Rodzaj zgłoszenia"

       verbose_name_plural = "Rodzaj zgłoszeń"

class Status(models.Model):

  Status_Text = models.CharField("Status", max_length=100)

   def __str__(self):

     return self.Status_Text

   class Meta:

     verbose_name = "Status zgłoszenia"

     verbose_name_plural = "Status zgłoszeń"

class BuildingOwner(models.Model):

   BuildingOwner_Text = models.CharField("Właściciel", max_length=100)

    def __str__(self):

     return self.BuildingOwner_Text

    class Meta:

     verbose_name = "Właściciela budynku"

     verbose_name_plural = "Właściciel budynków"

class Building(models.Model):

   BuildingOwner = models.ForeignKey(BuildingOwner, verbose_name="Właściciel budynku", on_delete=models.CASCADE)

   Building_Text = models.CharField("Budynek", max_length=150)

 

   def __str__(self):

     return self.Building_Text

    class Meta:

     verbose_name = "Budynek"

     verbose_name_plural = "Budynki"

class FormFault(models.Model):

   Person = models.CharField("Imię i Nazwisko",max_length=300)

   Email = models.EmailField("E-mail", max_length=50)

   Items = models.ForeignKey(Items, verbose_name="Temat", on_delete=models.CASCADE)

   DocumentType = models.ForeignKey(DocumentType, verbose_name="Rodzaj dokumentu", on_delete=models.CASCADE)

   Status = models.ForeignKey(Status, on_delete=models.CASCADE)

   BuildingOwner = models.ForeignKey(BuildingOwner, verbose_name="Właściciel budynku", on_delete=models.CASCADE)

   Building = models.ForeignKey(Building, verbose_name="Budynek", on_delete=models.CASCADE)

   Place = models.CharField("Lokal", max_length=10)

    class Meta:

        verbose_name = "Zgłoszenie"

        verbose_name_plural = "Zgłoszenia"

   

I found a library here: 

https://github.com/runekaagaard/django-admin-flexselect

but I'm wondering if this can't be done in a simpler way.

Best regards,

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