added vehicles and vehicles extra, dynamic tables for entities, dynamic dropdowns with overlay for selecting and manage data

backend/nomenclatures/admin.py

@@ -1,3 +1,21 @@
 from django.contrib import admin
+from .models import Nomenclature, NomenclatureField, NomenclatureEntry
 
-# Register your models here.
+
+class NomenclatureFieldInline(admin.TabularInline):
+    model = NomenclatureField
+    extra = 1
+
+
+@admin.register(Nomenclature)
+class NomenclatureAdmin(admin.ModelAdmin):
+    list_display = ['code', 'name', 'applies_to', 'kind', 'sort_order']
+    list_filter = ['applies_to', 'kind']
+    search_fields = ['code', 'name']
+    inlines = [NomenclatureFieldInline]
+
+
+@admin.register(NomenclatureEntry)
+class NomenclatureEntryAdmin(admin.ModelAdmin):
+    list_display = ['id', '__str__', 'nomenclature', 'is_active']
+    list_filter = ['nomenclature', 'is_active']

backend/nomenclatures/migrations/0002_alter_nomenclature_options_and_more.py

@@ -0,0 +1,111 @@
+# Generated by Django 4.2.8 on 2026-02-05 15:29
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("nomenclatures", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="nomenclature",
+            options={"ordering": ["sort_order", "code"]},
+        ),
+        migrations.AlterModelOptions(
+            name="nomenclaturefield",
+            options={"ordering": ["sort_order", "key"]},
+        ),
+        migrations.AddField(
+            model_name="nomenclature",
+            name="display_field",
+            field=models.CharField(
+                blank=True,
+                default="name",
+                help_text="Key of the NomenclatureField to use as dropdown label (for lookup kind)",
+                max_length=50,
+            ),
+        ),
+        migrations.AddField(
+            model_name="nomenclature",
+            name="kind",
+            field=models.CharField(
+                choices=[("lookup", "Lookup Table"), ("field", "Custom Field")],
+                default="lookup",
+                max_length=10,
+            ),
+        ),
+        migrations.AddField(
+            model_name="nomenclature",
+            name="sort_order",
+            field=models.IntegerField(default=0),
+        ),
+        migrations.AddField(
+            model_name="nomenclaturefield",
+            name="choices",
+            field=models.JSONField(
+                blank=True,
+                help_text='List of allowed values for choice type, e.g. ["Red","Green","Blue"]',
+                null=True,
+            ),
+        ),
+        migrations.AddField(
+            model_name="nomenclaturefield",
+            name="label",
+            field=models.CharField(blank=True, max_length=100),
+        ),
+        migrations.AddField(
+            model_name="nomenclaturefield",
+            name="required",
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name="nomenclaturefield",
+            name="sort_order",
+            field=models.IntegerField(default=0),
+        ),
+        migrations.AlterField(
+            model_name="nomenclaturefield",
+            name="nomenclature",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="fields",
+                to="nomenclatures.nomenclature",
+            ),
+        ),
+        migrations.AlterUniqueTogether(
+            name="nomenclaturefield",
+            unique_together={("nomenclature", "key")},
+        ),
+        migrations.CreateModel(
+            name="NomenclatureEntry",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("data", models.JSONField(default=dict)),
+                ("is_active", models.BooleanField(default=True)),
+                (
+                    "nomenclature",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="entries",
+                        to="nomenclatures.nomenclature",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name_plural": "Nomenclature entries",
+                "ordering": ["id"],
+            },
+        ),
+    ]

backend/nomenclatures/models.py

@@ -1,13 +1,39 @@
 from django.db import models
 
-# Create your models here.
+
 class Nomenclature(models.Model):
+    VEHICLE = "vehicle"
+    CONTAINER = "container"
+    APPLIES_TO_CHOICES = [
+        (VEHICLE, "Vehicle"),
+        (CONTAINER, "Container"),
+    ]
+
+    LOOKUP = "lookup"
+    FIELD = "field"
+    KIND_CHOICES = [
+        (LOOKUP, "Lookup Table"),
+        (FIELD, "Custom Field"),
+    ]
+
     code = models.CharField(max_length=50, unique=True)
     name = models.CharField(max_length=255)
-    applies_to = models.CharField(
+    applies_to = models.CharField(max_length=50, choices=APPLIES_TO_CHOICES)
+    kind = models.CharField(max_length=10, choices=KIND_CHOICES, default=LOOKUP)
+    display_field = models.CharField(
         max_length=50,
-        choices=[("vehicle", "Vehicle"), ("container", "Container")]
+        default="name",
+        blank=True,
+        help_text="Key of the NomenclatureField to use as dropdown label (for lookup kind)",
     )
+    sort_order = models.IntegerField(default=0)
+
+    class Meta:
+        ordering = ["sort_order", "code"]
+
+    def __str__(self):
+        return f"{self.name} ({self.code})"
+
 
 class NomenclatureField(models.Model):
     TEXT = "text"
@@ -23,7 +49,42 @@ class NomenclatureField(models.Model):
     ]
 
     nomenclature = models.ForeignKey(
-        Nomenclature, on_delete=models.CASCADE
+        Nomenclature,
+        on_delete=models.CASCADE,
+        related_name="fields",
     )
     key = models.CharField(max_length=50)
-    field_type = models.CharField(max_length=20, choices=FIELD_TYPES)
+    label = models.CharField(max_length=100, blank=True)
+    field_type = models.CharField(max_length=20, choices=FIELD_TYPES)
+    required = models.BooleanField(default=False)
+    choices = models.JSONField(
+        null=True,
+        blank=True,
+        help_text='List of allowed values for choice type, e.g. ["Red","Green","Blue"]',
+    )
+    sort_order = models.IntegerField(default=0)
+
+    class Meta:
+        unique_together = [("nomenclature", "key")]
+        ordering = ["sort_order", "key"]
+
+    def __str__(self):
+        return f"{self.nomenclature.code}.{self.key} ({self.field_type})"
+
+
+class NomenclatureEntry(models.Model):
+    nomenclature = models.ForeignKey(
+        Nomenclature,
+        on_delete=models.CASCADE,
+        related_name="entries",
+    )
+    data = models.JSONField(default=dict)
+    is_active = models.BooleanField(default=True)
+
+    class Meta:
+        verbose_name_plural = "Nomenclature entries"
+        ordering = ["id"]
+
+    def __str__(self):
+        display_key = self.nomenclature.display_field or "name"
+        return str(self.data.get(display_key, f"Entry #{self.pk}"))