Inverted onAdd() method of sidebar panes

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

diff --git a/app/assets/javascripts/leaflet.key.js b/app/assets/javascripts/leaflet.key.js
index 5756f0c4179b6572a0f1c2bf18e08d228b26bb79..6a3400d348831ab48ff53b5f1a2f9e991307f52b 100644 (file)
--- a/app/assets/javascripts/leaflet.key.js
+++ b/app/assets/javascripts/leaflet.key.js
@@ -1,18 +1,51 @@
-L.OSM.key = function(options) {
-  var control = L.control(options);
+L.OSM.key = function (options) {
+  var control = L.OSM.sidebarPane(options, "key", null, "javascripts.key.title");
 
-  control.onAdd = function (map) {
-    var $container = $('<div>')
-      .attr('class', 'control-key');
+  control.onAddPane = function (map, button, $ui) {
+    var $section = $("<div>")
+      .attr("class", "section")
+      .appendTo($ui);
 
-    $('<a>')
-      .attr('class', 'control-button')
-      .attr('href', '#')
-      .attr('title', 'Map Key')
-      .html('<span class="icon key"></span>')
-      .appendTo($container);
+    $ui
+      .on("show", shown)
+      .on("hide", hidden);
 
-    return $container[0];
+    map.on("baselayerchange", updateButton);
+
+    updateButton();
+
+    function shown() {
+      map.on("zoomend baselayerchange", update);
+      $section.load("/key", update);
+    }
+
+    function hidden() {
+      map.off("zoomend baselayerchange", update);
+    }
+
+    function updateButton() {
+      var disabled = ["mapnik", "cyclemap"].indexOf(map.getMapBaseLayerId()) === -1;
+      button
+        .toggleClass("disabled", disabled)
+        .attr("data-bs-original-title",
+              I18n.t(disabled ?
+                "javascripts.key.tooltip_disabled" :
+                "javascripts.key.tooltip"));
+    }
+
+    function update() {
+      var layer = map.getMapBaseLayerId(),
+          zoom = map.getZoom();
+
+      $(".mapkey-table-entry").each(function () {
+        var data = $(this).data();
+        if (layer === data.layer && zoom >= data.zoomMin && zoom <= data.zoomMax) {
+          $(this).show();
+        } else {
+          $(this).hide();
+        }
+      });
+    }
   };
 
   return control;