legend label and unit

CHANGELOG.md

@@ -6,6 +6,10 @@ and the versioning aim to respect [Semantic Versioning](http://semver.org/spec/v
 
 Here is a template for new release sections
 
+## [Unreleased]
+### Added
+- title and unit for choropleths in legend
+
 ## [0.8.0] - 2023-05-02
 ### Added
 - default choropleth config

django_mapengine/setup.py

@@ -104,6 +104,8 @@ class Choropleth:
     """Choropleth class used to set up choropleths in project settings"""
 
     name: str
+    title: str
+    unit: str
     layers: List[str]
     use_feature_state: bool = True
 
@@ -116,7 +118,12 @@ def as_dict(self) -> dict:
         dict
             holding choropleth values needed in map setups
         """
-        return {"layers": self.layers, "useFeatureState": self.use_feature_state}
+        return {
+            "title": self.title,
+            "unit": self.unit,
+            "layers": self.layers,
+            "useFeatureState": self.use_feature_state,
+        }
 
 
 @dataclass

django_mapengine/static/django_mapengine/js/legend.js

@@ -38,7 +38,8 @@ const createLegend = (title, unit, colors, valueRanges, nextColumnStartIndex = 3
 
 
 function loadLegend(msg, choroplethName){
-  const unit = "unit"; //need value!
+  const title = map_store.cold.choropleths[choroplethName]["title"];
+  const unit = map_store.cold.choropleths[choroplethName]["unit"];
   const paintPropertiesPerLayer = map_store.cold.storedChoroplethPaintProperties[choroplethName];
 
   /* Find active layer */
@@ -75,6 +76,6 @@ function loadLegend(msg, choroplethName){
     }
   }
   const entriesPerColumn = Math.floor(values.length / 2);
-  legendElement.innerHTML = createLegend(choroplethName, unit, colors, values, entriesPerColumn);
+  legendElement.innerHTML = createLegend(title, unit, colors, values, entriesPerColumn);
   return logMessage(msg);
 }

tests/django_test_settings.py

@@ -4,6 +4,8 @@
 
 INSTALLED_APPS = ["django_mapengine", "tests.test_app.apps.TestConf"]
 
+ROOT_URLCONF = "django_mapengine.urls"
+
 MAP_ENGINE_CENTER_AT_STARTUP = [1, 2]
 MAP_ENGINE_ZOOM_AT_STARTUP = 8