Merge remote-tracking branch 'upstream/pull/2204'

[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..321f937db3fc74b94013be51a69a2f28388e6ea7 100644 (file)
--- a/app/assets/javascripts/leaflet.key.js
+++ b/app/assets/javascripts/leaflet.key.js
@@ -1,17 +1,88 @@
-L.OSM.key = function(options) {
+L.OSM.key = function (options) {
   var control = L.control(options);
 
   control.onAdd = function (map) {
-    var $container = $('<div>')
-      .attr('class', 'control-key');
-
-    $('<a>')
-      .attr('class', 'control-button')
-      .attr('href', '#')
-      .attr('title', 'Map Key')
-      .html('<span class="icon key"></span>')
+    var $container = $("<div>")
+      .attr("class", "control-key");
+
+    var button = $("<a>")
+      .attr("class", "control-button")
+      .attr("href", "#")
+      .html("<span class=\"icon key\"></span>")
+      .on("click", toggle)
       .appendTo($container);
 
+    var $ui = $("<div>")
+      .attr("class", "key-ui");
+
+    $("<div>")
+      .attr("class", "sidebar_heading")
+      .appendTo($ui)
+      .append(
+        $("<span>")
+          .text(I18n.t("javascripts.close"))
+          .attr("class", "icon close")
+          .bind("click", toggle))
+      .append(
+        $("<h4>")
+          .text(I18n.t("javascripts.key.title")));
+
+    var $section = $("<div>")
+      .attr("class", "section")
+      .appendTo($ui);
+
+    options.sidebar.addPane($ui);
+
+    $ui
+      .on("show", shown)
+      .on("hide", hidden);
+
+    map.on("baselayerchange", updateButton);
+
+    updateButton();
+
+    function shown() {
+      map.on("zoomend baselayerchange", update);
+      $section.load("/key", update);
+    }
+
+    function hidden() {
+      map.off("zoomend baselayerchange", update);
+    }
+
+    function toggle(e) {
+      e.stopPropagation();
+      e.preventDefault();
+      if (!button.hasClass("disabled")) {
+        options.sidebar.togglePane($ui, button);
+      }
+      $(".leaflet-control .control-button").tooltip("hide");
+    }
+
+    function updateButton() {
+      var disabled = ["mapnik", "cyclemap"].indexOf(map.getMapBaseLayerId()) === -1;
+      button
+        .toggleClass("disabled", disabled)
+        .attr("data-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 $container[0];
   };