Revert "Add return values for selected layers in LayersControl (#217)"

This reverts commit 0b2a92f.

streamlit_folium/__init__.py

@@ -19,7 +19,6 @@
 # the component, and True when we're ready to package and distribute it.
 _RELEASE = True
 
-
 if not _RELEASE:
     _component_func = components.declare_component(
         "st_folium", url="http://localhost:3001"
@@ -330,7 +329,6 @@ def bounds_to_dict(bounds_list: list[list[float]]) -> dict[str, dict[str, float]
         else {},
         "last_circle_radius": None,
         "last_circle_polygon": None,
-        "selected_layers": None,
     }
 
     # If the user passes a custom list of returned objects, we'll only return those

streamlit_folium/frontend/src/index.tsx

@@ -19,7 +19,6 @@ type GlobalData = {
   last_center: any
   last_feature_group: any
   last_layer_control: any
-  selected_layers: Record<string, { name: string; url: string }>
 }
 
 declare global {
@@ -58,7 +57,6 @@ function updateComponentValue(map: any) {
     last_circle_radius: global_data.last_circle_radius,
     last_circle_polygon: global_data.last_circle_polygon,
     center: map.getCenter(),
-    selected_layers: Object.values(global_data.selected_layers)
   }
 
   let to_return = global_data.returned_objects
@@ -113,43 +111,6 @@ function onDraw(e: any) {
   return onLayerClick(e)
 }
 
-function removeLayer(e: any) {
-  const global_data = window.__GLOBAL_DATA__
-  let layer = e.layer
-
-  if (layer && layer["_url"] && layer["wmsParams"] && layer["wmsParams"]["layers"]) {
-    const layerName = layer["wmsParams"]["layers"];
-    const layerUrl = layer["_url"];
-
-    const layerKey = `${layerUrl},${layerName}`;
-
-    // Remove the layer object if it exists
-    if (global_data.selected_layers[layerKey]) {
-      delete global_data.selected_layers[layerKey];
-    }
-  }
-
-  debouncedUpdateComponentValue(window.map)
-}
-
-function addLayer(e: any) {
-  const global_data = window.__GLOBAL_DATA__
-  let layer = e.layer
-
-  if (layer && layer["_url"] && layer["wmsParams"] && layer["wmsParams"]["layers"]) {
-    const layerName = layer["wmsParams"]["layers"];
-    const layerUrl = layer["_url"];
-
-    const layerKey = `${layerUrl},${layerName}`;
-
-    if (!global_data.selected_layers[layerKey]) {
-      global_data.selected_layers[layerKey] = { name: layerName, url: layerUrl };
-    }
-  }
-
-  debouncedUpdateComponentValue(window.map)
-}
-
 function onLayerClick(e: any) {
   const global_data = window.__GLOBAL_DATA__
   global_data.last_object_clicked = e.latlng
@@ -206,30 +167,19 @@ function getPixelatedStyles(pixelated: boolean) {
 }
 
 window.initComponent = (map: any, return_on_hover: boolean) => {
-  const global_data = window.__GLOBAL_DATA__
   map.on("click", onMapClick)
   map.on("moveend", onMapMove)
   for (let key in map._layers) {
     let layer = map._layers[key]
-    if (layer && layer["_url"] && layer["wmsParams"] && layer["wmsParams"]["layers"]) {
-      const layerName = layer["wmsParams"]["layers"];
-      const layerUrl = layer["_url"];
-
-      const layerKey = `${layerUrl},${layerName}`;
-
-      if (!global_data.selected_layers[layerKey]) {
-        global_data.selected_layers[layerKey] = { name: layerName, url: layerUrl };
-      }
+    layer.on("click", onLayerClick)
+    if (return_on_hover) {
+      layer.on("mouseover", onLayerClick)
     }
   }
   map.on("draw:created", onDraw)
   map.on("draw:edited", onDraw)
   map.on("draw:deleted", onDraw)
 
-  // Adding functionality for tracking layer changes
-  map.on("overlayadd", addLayer);
-  map.on("overlayremove", removeLayer);
-
   Streamlit.setFrameHeight()
   updateComponentValue(map)
 }
@@ -278,6 +228,7 @@ async function onRender(event: Event) {
       linkTag.href = link
       window.document.head.appendChild(linkTag)
     })
+
     const style = document.createElement("style")
     style.innerHTML = getPixelatedStyles(pixelated)
     window.document.head.appendChild(style)
@@ -388,7 +339,6 @@ async function onRender(event: Event) {
         last_center: null,
         last_feature_group: null,
         last_layer_control: null,
-        selected_layers: {}
       }
       if (script.indexOf("map_div2") !== -1) {
         parent_div?.classList.remove("single")