Merge pull request #5558 from tomhughes/var-let-const

[rails.git] / app / assets / javascripts / leaflet.query.js

diff --git a/app/assets/javascripts/leaflet.query.js b/app/assets/javascripts/leaflet.query.js
index 3eab9054d409f8721c45d63a77f52f8fe44d59c6..04176487757aac1b95c2d440e2115ecbfaa2c19f 100644 (file)
--- a/app/assets/javascripts/leaflet.query.js
+++ b/app/assets/javascripts/leaflet.query.js
@@ -1,17 +1,32 @@
 L.OSM.query = function (options) {
 L.OSM.query = function (options) {

-  var control = L.control(options);
+  const control = L.control(options);

 
   control.onAdd = function (map) {
 
   control.onAdd = function (map) {

-    var $container = $('<div>')
-      .attr('class', 'control-query');
+    const $container = $("<div>")
+      .attr("class", "control-query");

 
 

-    var link = $('<a>')
-      .attr('class', 'control-button')
-      .attr('href', '#')
-      .attr('data-original-title', I18n.t('javascripts.site.queryfeature_tooltip'))
-      .html('<span class="icon query"></span>')
+    const link = $("<a>")
+      .attr("class", "control-button")
+      .attr("href", "#")
+      .html("<span class=\"icon query\"></span>")

       .appendTo($container);
 
       .appendTo($container);
 

+    map.on("zoomend", update);
+
+    function update() {
+      const wasDisabled = link.hasClass("disabled"),
+            isDisabled = map.getZoom() < 14;
+      link
+        .toggleClass("disabled", isDisabled)
+        .attr("data-bs-original-title", I18n.t(isDisabled ?
+          "javascripts.site.queryfeature_disabled_tooltip" :
+          "javascripts.site.queryfeature_tooltip"));
+      if (isDisabled === wasDisabled) return;
+      link.trigger(isDisabled ? "disabled" : "enabled");
+    }
+
+    update();
+

     return $container[0];
   };
 
     return $container[0];
   };