fix: update rack width controls and images

netbox_utilities/__init__.py

@@ -1,6 +1,6 @@
 from netbox.plugins import PluginConfig, get_plugin_config
 
-__version__ = "0.8.6"
+__version__ = "0.8.7"
 
 
 class NetBoxUtilitiesConfig(PluginConfig):

netbox_utilities/rack_width.py

@@ -465,6 +465,7 @@ def _install_rack_svg():
                     elevation.draw_device_front(device, coords, size)
                 else:
                     elevation.draw_device_rear(device, coords, size)
+                _fit_latest_elevation_image(elevation.drawing)
             else:
                 from svgwrite.shapes import Rect
 
@@ -496,6 +497,19 @@ def _partial_width_elevation_devices(rack, face):
     )
 
 
+def _fit_latest_elevation_image(drawing):
+    """Fit the latest device image into a partial-width slot without cropping it."""
+    from svgwrite.image import Image
+
+    if not getattr(drawing, "elements", None):
+        return
+    container = drawing.elements[-1]
+    for element in reversed(getattr(container, "elements", ())):
+        if isinstance(element, Image):
+            element.fit(scale="meet")
+            return
+
+
 def _validate_before_save(sender, instance, raw=False, **kwargs):
     if not raw:
         using = kwargs.get("using")

netbox_utilities/static/netbox_utilities/forms.js

@@ -103,11 +103,18 @@
         const position = Number.parseInt(option.value || '1', 10);
         option.disabled = position > width;
       });
-      if (width === 1 || Number.parseInt(positionField.value || '1', 10) > width) {
+
+      const resetPosition = width === 1 || Number.parseInt(positionField.value || '1', 10) > width;
+      if (resetPosition) {
         positionField.value = '1';
+      }
+
+      positionField.disabled = width === 1;
+      if (positionField.tomselect) positionField.tomselect.sync();
+
+      if (resetPosition) {
         positionField.dispatchEvent(new Event('change', {bubbles: true}));
       }
-      positionField.disabled = width === 1;
     };
 
     widthField.addEventListener('change', updatePositions);

netbox_utilities/tests/test_rack_width.py

@@ -1,4 +1,5 @@
 from importlib import import_module
+from pathlib import Path
 from types import SimpleNamespace
 from unittest.mock import MagicMock, patch
 
@@ -12,6 +13,7 @@ from django.urls import resolve, reverse
 
 from netbox_utilities.rack_width import (
     _cleanup_unracked_placement,
+    _fit_latest_elevation_image,
     _partial_width_elevation_devices,
     available_units_for_device,
     horizontal_interval,
@@ -25,6 +27,28 @@ from netbox_utilities.rack_width import (
 
 
 class RackWidthTest(SimpleTestCase):
+    def test_rack_width_javascript_synchronizes_netbox_tom_select(self):
+        script = (Path(__file__).parents[1] / "static" / "netbox_utilities" / "forms.js").read_text(encoding="utf-8")
+
+        self.assertIn("positionField.disabled = width === 1", script)
+        self.assertIn("positionField.tomselect.sync()", script)
+
+    def test_partial_width_device_image_is_fitted_without_cropping(self):
+        from svgwrite import Drawing
+        from svgwrite.container import Hyperlink
+        from svgwrite.image import Image
+
+        drawing = Drawing()
+        link = Hyperlink("/dcim/devices/1/")
+        device_image = Image("/media/device.png", size=(100, 20))
+        device_image.fit(scale="slice")
+        link.add(device_image)
+        drawing.add(link)
+
+        _fit_latest_elevation_image(drawing)
+
+        self.assertEqual(device_image.attribs["preserveAspectRatio"], "xMidYMid meet")
+
     def test_partial_width_svg_devices_include_core_device_bay_annotation(self):
         from dcim.choices import DeviceFaceChoices
         from dcim.models import Rack