DataLayer to consume JSON format responses

[rails.git] / app / assets / javascripts / index / layers / data.js

diff --git a/app/assets/javascripts/index/layers/data.js b/app/assets/javascripts/index/layers/data.js
index c69959467034da18442a31742464183090227bc1..397b38ae20a91b221d3d11845f52786bd81ce3d5 100644 (file)
--- a/app/assets/javascripts/index/layers/data.js
+++ b/app/assets/javascripts/index/layers/data.js
@@ -61,11 +61,16 @@ OSM.initializeDataLayer = function (map) {
           .click(add)));
   }
 
-  function displayLoadError(message) {
+  function displayLoadError(message, close) {
     $("#browse_status").html(
       $("<div class='p-3'>").append(
-        $("<h2 class='flex-grow-1 text-break'>")
-          .text(I18n.t("browse.start_rjs.load_data")),
+        $("<div class='d-flex'>").append(
+          $("<h2 class='flex-grow-1 text-break'>")
+            .text(I18n.t("browse.start_rjs.load_data")),
+          $("<div>").append(
+            $("<button type='button' class='btn-close'>")
+              .attr("aria-label", I18n.t("javascripts.close"))
+              .click(close))),
         $("<div>").append(
           $("<div class='d-flex'>").append(
             $("<p class='alert alert-warning'>")
@@ -80,10 +85,10 @@ OSM.initializeDataLayer = function (map) {
 
     /*
      * Modern browsers are quite happy showing far more than 100 features in
-     * the data browser, so increase the limit to 2000 by default, but keep
+     * the data browser, so increase the limit to 4000 by default, but keep
      * it restricted to 500 for IE8 and 100 for older IEs.
      */
-    var maxFeatures = 2000;
+    var maxFeatures = 4000;
 
     /*@cc_on
       if (navigator.appVersion < 8) {
@@ -97,10 +102,11 @@ OSM.initializeDataLayer = function (map) {
 
     dataLoader = $.ajax({
       url: url,
-      success: function (xml) {
+      dataType: "json",
+      success: function (data) {
         dataLayer.clearLayers();
 
-        var features = dataLayer.buildFeatures(xml);
+        var features = dataLayer.buildFeatures(data);
 
         function addFeatures() {
           $("#browse_status").empty();
@@ -128,12 +134,16 @@ OSM.initializeDataLayer = function (map) {
         dataLoader = null;
         if (textStatus === "abort") { return; }
 
+        function closeError() {
+          $("#browse_status").empty();
+        }
+
         if (XMLHttpRequest.status === 400 && XMLHttpRequest.responseText) {
-          displayLoadError(XMLHttpRequest.responseText);
+          displayLoadError(XMLHttpRequest.responseText, closeError);
         } else if (XMLHttpRequest.statusText) {
-          displayLoadError(XMLHttpRequest.statusText);
+          displayLoadError(XMLHttpRequest.statusText, closeError);
         } else {
-          displayLoadError(String(XMLHttpRequest.status));
+          displayLoadError(String(XMLHttpRequest.status), closeError);
         }
       }
     });