diff --git a/umap/models.py b/umap/models.py
index 97df55f9..8de2105d 100644
--- a/umap/models.py
+++ b/umap/models.py
@@ -366,7 +366,7 @@ class DataLayer(NamedModel):
         }
         obj["id"] = self.pk
         obj["permissions"] = {"edit_status": self.edit_status}
-        obj["allowEdit"] = self.can_edit(user, request)
+        obj["editMode"] = "advanced" if self.can_edit(user, request) else 'disabled'
         return obj
 
     def clone(self, map_inst=None):
diff --git a/umap/static/umap/js/umap.controls.js b/umap/static/umap/js/umap.controls.js
index 87baa753..97a6665b 100644
--- a/umap/static/umap/js/umap.controls.js
+++ b/umap/static/umap/js/umap.controls.js
@@ -275,7 +275,7 @@ L.U.ContinueLineAction = L.U.BaseVertexAction.extend({
 // Leaflet.Toolbar doesn't allow twice same toolbar class…
 L.U.SettingsToolbar = L.Toolbar.Control.extend({
   addTo: function (map) {
-    if (map.options.allowMapEdit === false) return
+    if (map.options.editMode !== 'advanced') return
     L.Toolbar.Control.prototype.addTo.call(this, map)
   },
 })
@@ -1467,7 +1467,7 @@ L.U.IframeExporter = L.Evented.extend({
     miniMap: false,
     scrollWheelZoom: false,
     zoomControl: true,
-    allowEdit: false,
+    editMode: 'disabled',
     moreControl: true,
     searchControl: null,
     tilelayersControl: null,
diff --git a/umap/static/umap/js/umap.js b/umap/static/umap/js/umap.js
index 405e3b62..592a2a77 100644
--- a/umap/static/umap/js/umap.js
+++ b/umap/static/umap/js/umap.js
@@ -15,7 +15,7 @@ L.Map.mergeOptions({
   default_interactive: true,
   default_labelDirection: 'auto',
   attributionControl: false,
-  allowEdit: true,
+  editMode: 'advanced',
   embedControl: true,
   zoomControl: true,
   datalayersControl: true,
@@ -103,7 +103,7 @@ L.U.Map.include({
     L.Util.setBooleanFromQueryString(this.options, 'moreControl')
     L.Util.setBooleanFromQueryString(this.options, 'scaleControl')
     L.Util.setBooleanFromQueryString(this.options, 'miniMap')
-    L.Util.setBooleanFromQueryString(this.options, 'allowEdit')
+    L.Util.setBooleanFromQueryString(this.options, 'editMode')
     L.Util.setBooleanFromQueryString(this.options, 'displayDataBrowserOnLoad')
     L.Util.setBooleanFromQueryString(this.options, 'displayCaptionOnLoad')
     L.Util.setBooleanFromQueryString(this.options, 'captionBar')
@@ -122,7 +122,7 @@ L.U.Map.include({
     if (this.datalayersOnLoad)
       this.datalayersOnLoad = this.datalayersOnLoad.toString().split(',')
 
-    if (L.Browser.ielt9) this.options.allowEdit = false // TODO include ie9
+    if (L.Browser.ielt9) this.options.editMode = 'disabled' // TODO include ie9
 
     let editedFeature = null
     const self = this
@@ -235,7 +235,7 @@ L.U.Map.include({
       this.isDirty = true
       this._default_extent = true
       this.options.name = L._('Untitled map')
-      this.options.allowEdit = true
+      this.options.editMode = 'advanced'
       const datalayer = this.createDataLayer()
       datalayer.connectToMap()
       this.enableEdit()
@@ -253,7 +253,7 @@ L.U.Map.include({
     this.slideshow = new L.U.Slideshow(this, this.options.slideshow)
     this.permissions = new L.U.MapPermissions(this)
     this.initCaptionBar()
-    if (this.options.allowEdit) {
+    if (this.hasEditMode()) {
       this.editTools = new L.U.Editable(this)
       this.ui.on(
         'panel:closed panel:open',
@@ -292,7 +292,7 @@ L.U.Map.include({
     this.helpMenuActions = {}
     this._controls = {}
 
-    if (this.options.allowEdit && !this.options.noControl) {
+    if (this.hasEditMode() && !this.options.noControl) {
       new L.U.EditControl(this).addTo(this)
 
       new L.U.DrawToolbar({ map: this }).addTo(this)
@@ -511,7 +511,7 @@ L.U.Map.include({
         else this.ui.closePanel()
       }
 
-      if (!this.options.allowEdit) return
+      if (!this.hasEditMode()) return
 
       /* Edit mode only shortcuts */
       if (key === L.U.Keys.E && modifierKey && !this.editEnabled) {
@@ -1790,6 +1790,11 @@ L.U.Map.include({
     this.fire('edit:disabled')
   },
 
+  hasEditMode: function () {
+    return this.options.editMode === 'simple' || this.options.editMode === 'advanced'
+  },
+
+
   getDisplayName: function () {
     return this.options.name || L._('Untitled map')
   },
@@ -1946,7 +1951,7 @@ L.U.Map.include({
         items = items.concat(e.relatedTarget.getContextMenuItems(e))
       }
     }
-    if (this.options.allowEdit) {
+    if (this.hasEditMode()) {
       items.push('-')
       if (this.editEnabled) {
         if (!this.hasDirty) {
diff --git a/umap/static/umap/js/umap.layer.js b/umap/static/umap/js/umap.layer.js
index 1140a47a..ff159888 100644
--- a/umap/static/umap/js/umap.layer.js
+++ b/umap/static/umap/js/umap.layer.js
@@ -356,7 +356,7 @@ L.U.DataLayer = L.Evented.extend({
         // So do not let all options to be reset
         // Fix is a proper migration so all datalayers settings are
         // in DB, and we remove it from geojson flat files.
-        geojson['_umap_options']['allowEdit'] = this.options.allowEdit
+        geojson['_umap_options']['editMode'] = this.options.editMode
         this.fromUmapGeoJSON(geojson)
         this.backupOptions()
         this.fire('loaded')
@@ -496,7 +496,7 @@ L.U.DataLayer = L.Evented.extend({
     })
 
     // No browser cache for owners/editors.
-    if (this.map.options.allowEdit) url = `${url}?${Date.now()}`
+    if (this.map.hasEditMode()) url = `${url}?${Date.now()}`
     return url
   },
 
@@ -1194,7 +1194,8 @@ L.U.DataLayer = L.Evented.extend({
   },
 
   isReadOnly: function () {
-    return this.options.allowEdit === false
+    // isReadOnly must return true if unset
+    return this.options.editMode === 'disabled'
   },
 
   save: function () {
diff --git a/umap/static/umap/test/_pre.js b/umap/static/umap/test/_pre.js
index df561c5d..25323c2c 100644
--- a/umap/static/umap/test/_pre.js
+++ b/umap/static/umap/test/_pre.js
@@ -190,7 +190,7 @@ function initMap(options) {
       name: 'name of the map',
       description: 'The description of the map',
       locale: 'en',
-      allowEdit: true,
+      editMode: 'advanced',
       moreControl: true,
       scaleControl: true,
       miniMap: false,
diff --git a/umap/templatetags/umap_tags.py b/umap/templatetags/umap_tags.py
index 3e7ae9c0..70bc244e 100644
--- a/umap/templatetags/umap_tags.py
+++ b/umap/templatetags/umap_tags.py
@@ -37,7 +37,7 @@ def map_fragment(map_instance, **kwargs):
         'datalayers': datalayer_data,
         'urls': _urls_for_js(),
         'STATIC_URL': settings.STATIC_URL,
-        "allowEdit": False,
+        "editMode": 'disabled',
         'hash': False,
         'attributionControl': False,
         'scrollWheelZoom': False,
diff --git a/umap/tests/test_map_views.py b/umap/tests/test_map_views.py
index 25d14350..a0f4bdcf 100644
--- a/umap/tests/test_map_views.py
+++ b/umap/tests/test_map_views.py
@@ -127,9 +127,9 @@ def test_wrong_slug_should_redirect_to_canonical(client, map):
 
 def test_wrong_slug_should_redirect_with_query_string(client, map):
     url = reverse("map", kwargs={"map_id": map.pk, "slug": "wrong-slug"})
-    url = "{}?allowEdit=0".format(url)
+    url = "{}?editMode=simple".format(url)
     canonical = reverse("map", kwargs={"map_id": map.pk, "slug": map.slug})
-    canonical = "{}?allowEdit=0".format(canonical)
+    canonical = "{}?editMode=simple".format(canonical)
     response = client.get(url)
     assert response.status_code == 301
     assert response["Location"] == canonical
@@ -137,7 +137,7 @@ def test_wrong_slug_should_redirect_with_query_string(client, map):
 
 def test_should_not_consider_the_query_string_for_canonical_check(client, map):
     url = reverse("map", kwargs={"map_id": map.pk, "slug": map.slug})
-    url = "{}?allowEdit=0".format(url)
+    url = "{}?editMode=simple".format(url)
     response = client.get(url)
     assert response.status_code == 200
 
diff --git a/umap/views.py b/umap/views.py
index 1bb36493..e58d75ee 100644
--- a/umap/views.py
+++ b/umap/views.py
@@ -449,10 +449,7 @@ class MapDetailMixin:
         properties = {
             "urls": _urls_for_js(),
             "tilelayers": TileLayer.get_list(),
-            "allowEdit": self.is_edit_allowed(),  # showEditMode
-            "allowMapEdit": self.object.can_edit(self.request.user, self.request)
-            if getattr(self, "object", None)
-            else True,  # FIXME naming
+            "editMode": self.edit_mode,
             "default_iconUrl": "%sumap/img/marker.png" % settings.STATIC_URL,  # noqa
             "umap_id": self.get_umap_id(),
             "starred": self.is_starred(),
@@ -500,8 +497,9 @@ class MapDetailMixin:
     def get_datalayers(self):
         return []
 
-    def is_edit_allowed(self):
-        return True
+    @property
+    def edit_mode(self):
+        return "advanced"
 
     def get_umap_id(self):
         return None
@@ -563,11 +561,17 @@ class MapView(MapDetailMixin, PermissionsMixin, DetailView):
             for l in self.object.datalayer_set.all()
         ]
 
-    def is_edit_allowed(self):
-        return self.object.can_edit(self.request.user, self.request) or any(
+    @property
+    def edit_mode(self):
+        edit_mode = 'disabled'
+        if self.object.can_edit(self.request.user, self.request):
+            edit_mode = "advanced"
+        elif any(
             d.can_edit(self.request.user, self.request)
             for d in self.object.datalayer_set.all()
-        )
+        ):
+            edit_mode = "simple"
+        return edit_mode
 
     def get_umap_id(self):
         return self.object.pk