Add shortcuts to load tracks and no-go areas

Press 'O' or 'Shift+O' to open/load tracks or no-go areas respectively.

index.html

@@ -78,6 +78,8 @@
                             id="navbarLoadDropdown"
                             aria-haspopup="true"
                             aria-expanded="false"
+                            data-i18n="[title]navbar.load.tooltip"
+                            title="Load route"
                         >
                             <span class="fa fa-lg fa-cloud-upload" aria-hidden="true"> </span>
                             <span data-i18n="navbar.load.title">Load</span>

js/plugin/TracksLoader.js

@@ -22,7 +22,10 @@ BR.tracksLoader = function(map, layersControl, routing) {
             },
             addToMap: false,
             // File size limit in kb (default: 1024) ?
-            fileSizeLimit: 1024
+            fileSizeLimit: 1024,
+            shortcut: {
+                open: 79 // char code for 'o'
+            }
         },
 
         _initContainer: function() {
@@ -31,6 +34,8 @@ BR.tracksLoader = function(map, layersControl, routing) {
             var fileInput;
             var container = L.DomUtil.get('navbarLoadTracksContainer');
 
+            L.DomEvent.addListener(document, 'keydown', this._keydownListener, this);
+
             // Create an invisible file input
             fileInput = L.DomUtil.create('input', 'hidden', container);
             fileInput.type = 'file';
@@ -62,6 +67,16 @@ BR.tracksLoader = function(map, layersControl, routing) {
             var dummy = L.DomUtil.create('div');
             dummy.hidden = true;
             return dummy;
+        },
+
+        _keydownListener: function(e) {
+            if (BR.Util.keyboardShortcutsAllowed(e) && e.keyCode === this.options.shortcut.open) {
+                if (e.shiftKey) {
+                    $('#loadNogos').modal('show');
+                } else {
+                    $('#navbarLoadTracks')[0].click();
+                }
+            }
         }
     });
     var tracksLoaderControl = new TracksLoader();

locales/en.json

@@ -149,6 +149,7 @@
     "load": {
       "nogos": "No-go areas",
       "title": "Load",
+      "tooltip": "Load tracks (O key)\nLoad No-go areas (Shift+O)",
       "tracks": "Tracks"
     },
     "profile": {