Allow to hide a datalayer from the caption list

umap/static/umap/js/umap.controls.js

@@ -749,6 +749,7 @@ L.U.Map.include({
     }
     const datalayerContainer = L.DomUtil.create('div', 'datalayer-container', container)
     this.eachVisibleDataLayer((datalayer) => {
+      if (!datalayer.options.inCaption) return
       const p = L.DomUtil.create('p', 'datalayer-legend', datalayerContainer),
         legend = L.DomUtil.create('span', '', p),
         headline = L.DomUtil.create('strong', '', p),

umap/static/umap/js/umap.layer.js

@@ -192,6 +192,7 @@ L.U.Layer.Heat = L.HeatLayer.extend({
 L.U.DataLayer = L.Evented.extend({
   options: {
     displayOnLoad: true,
+    inCaption: true,
     browsable: true,
     editMode: 'advanced',
   },
@@ -863,6 +864,13 @@ L.U.DataLayer = L.Evented.extend({
             helpEntries: 'browsable',
           },
         ],
+        [
+          'options.inCaption',
+          {
+            label: L._('Show this layer in the caption'),
+            handler: 'Switch',
+          },
+        ],
       ]
     const title = L.DomUtil.add('h3', '', container, L._('Layer properties'))
     let builder = new L.U.FormBuilder(this, metadataFields, {

umap/tests/integration/test_map.py

@@ -3,6 +3,8 @@ from playwright.sync_api import expect
 
 from umap.models import Map
 
+from ..base import DataLayerFactory
+
 pytestmark = pytest.mark.django_db
 
 
@@ -35,3 +37,21 @@ def test_remote_layer_should_not_be_used_as_datalayer_for_created_features(
     # A new datalayer has been created to host this created feature
     # given the remote one cannot accept new features
     expect(layers).to_have_count(2)
+
+
+def test_can_hide_datalayer_from_caption(map, live_server, datalayer, page):
+    # Faster than doing a login
+    map.edit_status = Map.ANONYMOUS
+    map.save()
+    # Add another DataLayer
+    other = DataLayerFactory(map=map, name="Hidden", settings={"inCaption": False})
+    page.goto(f"{live_server.url}{map.get_absolute_url()}")
+    toggle = page.get_by_text("About").first
+    expect(toggle).to_be_visible()
+    toggle.click()
+    layers = page.locator(".umap-caption .datalayer-legend")
+    expect(layers).to_have_count(1)
+    found = page.locator("#umap-ui-container").get_by_text(datalayer.name)
+    expect(found).to_be_visible()
+    hidden = page.locator("#umap-ui-container").get_by_text(other.name)
+    expect(hidden).to_be_hidden()