+ 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();
+ }
+ });
+ }