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[rails.git] / app / assets / javascripts / index / directions-endpoint.js

diff --git a/app/assets/javascripts/index/directions-endpoint.js b/app/assets/javascripts/index/directions-endpoint.js
index b9a4ff9a2b39b235d4af188e856d287377aefa21..7fe4b4ea7f4803053f816d2f9d7986817e798aab 100644 (file)
--- a/app/assets/javascripts/index/directions-endpoint.js
+++ b/app/assets/javascripts/index/directions-endpoint.js
@@ -1,4 +1,4 @@
-OSM.DirectionsEndpoint = function Endpoint(map, input, iconUrl, dragCallback, geocodeCallback) {
+OSM.DirectionsEndpoint = function Endpoint(map, input, iconUrl, dragCallback, changeCallback) {

   var endpoint = {};
 
   endpoint.marker = L.marker([0, 0], {
   var endpoint = {};
 
   endpoint.marker = L.marker([0, 0], {


@@ -14,79 +14,105 @@ OSM.DirectionsEndpoint = function Endpoint(map, input, iconUrl, dragCallback, ge
     autoPan: true
   });
 
     autoPan: true
   });
 

-  endpoint.marker.on("drag dragend", function (e) {
-    var latlng = e.target.getLatLng();
+  endpoint.enable = function () {
+    endpoint.marker.on("drag dragend", markerDragListener);
+    input.on("keydown", inputKeydownListener);
+    input.on("change", inputChangeListener);
+  };
+
+  endpoint.disable = function () {
+    endpoint.marker.off("drag dragend", markerDragListener);
+    input.off("keydown", inputKeydownListener);
+    input.off("change", inputChangeListener);
+
+    if (endpoint.geocodeRequest) endpoint.geocodeRequest.abort();
+    delete endpoint.geocodeRequest;
+    removeLatLng();
+    delete endpoint.value;
+    input.val("");
+    map.removeLayer(endpoint.marker);
+  };

 
 

-    endpoint.setLatLng(latlng);
+  function markerDragListener(e) {
+    var latlng = convertLatLngToZoomPrecision(e.target.getLatLng());
+
+    setLatLng(latlng);

     setInputValueFromLatLng(latlng);
     endpoint.value = input.val();
     dragCallback(e.type === "drag");
     setInputValueFromLatLng(latlng);
     endpoint.value = input.val();
     dragCallback(e.type === "drag");

-  });
+  }

 
 

-  input.on("keydown", function () {
+  function inputKeydownListener() {

     input.removeClass("is-invalid");
     input.removeClass("is-invalid");

-  });
+  }

 
 

-  input.on("change", function (e) {
+  function inputChangeListener(e) {

     // make text the same in both text boxes
     var value = e.target.value;
     endpoint.setValue(value);
     // make text the same in both text boxes
     var value = e.target.value;
     endpoint.setValue(value);

-  });
+  }

 
   endpoint.setValue = function (value, latlng) {
     endpoint.value = value;
 
   endpoint.setValue = function (value, latlng) {
     endpoint.value = value;

-    delete endpoint.latlng;
+    removeLatLng();

     input.removeClass("is-invalid");
     input.val(value);
 
     if (latlng) {
     input.removeClass("is-invalid");
     input.val(value);
 
     if (latlng) {

-      endpoint.setLatLng(latlng);
+      setLatLng(latlng);

       setInputValueFromLatLng(latlng);
       setInputValueFromLatLng(latlng);

-    } else {
-      endpoint.getGeocode();
+      changeCallback();
+    } else if (endpoint.value) {
+      getGeocode();

     }
   };
 
     }
   };
 

-  endpoint.getGeocode = function () {
-    // if no one has entered a value yet, then we can't geocode, so don't
-    // even try.
-    if (!endpoint.value) {
-      return;
-    }
-
-    endpoint.awaitingGeocode = true;
-
+  function getGeocode() {

     var viewbox = map.getBounds().toBBoxString(); // <sw lon>,<sw lat>,<ne lon>,<ne lat>
     var viewbox = map.getBounds().toBBoxString(); // <sw lon>,<sw lat>,<ne lon>,<ne lat>

+    var geocodeUrl = OSM.NOMINATIM_URL + "search?q=" + encodeURIComponent(endpoint.value) + "&format=json&viewbox=" + viewbox;

 
 

-    $.getJSON(OSM.NOMINATIM_URL + "search?q=" + encodeURIComponent(endpoint.value) + "&format=json&viewbox=" + viewbox, function (json) {
-      endpoint.awaitingGeocode = false;
-      endpoint.hasGeocode = true;
+    if (endpoint.geocodeRequest) endpoint.geocodeRequest.abort();
+    endpoint.geocodeRequest = $.getJSON(geocodeUrl, function (json) {
+      delete endpoint.geocodeRequest;

       if (json.length === 0) {
         input.addClass("is-invalid");
         alert(I18n.t("javascripts.directions.errors.no_place", { place: endpoint.value }));
         return;
       }
 
       if (json.length === 0) {
         input.addClass("is-invalid");
         alert(I18n.t("javascripts.directions.errors.no_place", { place: endpoint.value }));
         return;
       }
 

-      endpoint.setLatLng(L.latLng(json[0]));
+      setLatLng(L.latLng(json[0]));

 
       input.val(json[0].display_name);
 
 
       input.val(json[0].display_name);
 

-      geocodeCallback();
+      changeCallback();

     });
     });

-  };
+  }

 
 

-  endpoint.setLatLng = function (ll) {
-    endpoint.hasGeocode = true;
+  function setLatLng(ll) {
+    input
+      .attr("data-lat", ll.lat)
+      .attr("data-lon", ll.lng);

     endpoint.latlng = ll;
     endpoint.marker
       .setLatLng(ll)
       .addTo(map);
     endpoint.latlng = ll;
     endpoint.marker
       .setLatLng(ll)
       .addTo(map);

-  };
+  }
+
+  function removeLatLng() {
+    input
+      .removeAttr("data-lat")
+      .removeAttr("data-lon");
+    delete endpoint.latlng;
+  }

 
   function setInputValueFromLatLng(latlng) {
 
   function setInputValueFromLatLng(latlng) {

+    input.val(latlng.lat + ", " + latlng.lng);
+  }
+
+  function convertLatLngToZoomPrecision(latlng) {

     var precision = OSM.zoomPrecision(map.getZoom());
 
     var precision = OSM.zoomPrecision(map.getZoom());
 

-    input.val(latlng.lat.toFixed(precision) + ", " + latlng.lng.toFixed(precision));
+    return L.latLng(latlng.lat.toFixed(precision), latlng.lng.toFixed(precision));

   }
 
   return endpoint;
   }
 
   return endpoint;