Add query-result classes for errors and nothing_found messages

[rails.git] / app / assets / javascripts / index / browse.js

diff --git a/app/assets/javascripts/index/browse.js b/app/assets/javascripts/index/browse.js
index 772690ba3c5772d2a16d38f957e95e70e900adad..6309444110a1206f7f22e57a2d54f02c3d5422ee 100644 (file)
--- a/app/assets/javascripts/index/browse.js
+++ b/app/assets/javascripts/index/browse.js
@@ -1,4 +1,4 @@
-function initializeBrowse(map) {
+OSM.initializeBrowse = function (map) {
   var browseBounds;
   var selectedLayer;
   var dataLayer = map.dataLayer;
@@ -26,63 +26,44 @@ function initializeBrowse(map) {
     onSelect(e.layer);
   });
 
-  map.on('layeradd', function (e) {
+  map.on("layeradd", function (e) {
     if (e.layer === dataLayer) {
       map.on("moveend", updateData);
       updateData();
     }
   });
 
-  map.on('layerremove', function (e) {
+  map.on("layerremove", function (e) {
     if (e.layer === dataLayer) {
       map.off("moveend", updateData);
+      $("#browse_status").empty();
     }
   });
 
   function updateData() {
-    if (map.getZoom() >= 15) {
-      var bounds = map.getBounds();
-      if (!browseBounds || !browseBounds.contains(bounds)) {
-        browseBounds = bounds;
-        getData();
-      }
-    } else {
-      setStatus(I18n.t('browse.start_rjs.zoom_or_select'));
+    var bounds = map.getBounds();
+    if (!browseBounds || !browseBounds.contains(bounds)) {
+      getData();
     }
   }
 
-  function displayFeatureWarning(count, limit, callback) {
-    clearStatus();
-
-    var div = document.createElement("div");
-
-    var p = document.createElement("p");
-    p.appendChild(document.createTextNode(I18n.t("browse.start_rjs.loaded_an_area_with_num_features", { num_features: count, max_features: limit })));
-    div.appendChild(p);
-
-    var input = document.createElement("input");
-    input.type = "submit";
-    input.value = I18n.t('browse.start_rjs.load_data');
-    input.onclick = callback;
-    div.appendChild(input);
-
-    $("#browse_content").html("");
-    $("#browse_content").append(div);
+  function displayFeatureWarning(count, limit, add, cancel) {
+    $("#browse_status").html(
+      $("<p class='warning'></p>")
+        .text(I18n.t("browse.start_rjs.feature_warning", { num_features: count, max_features: limit }))
+        .prepend(
+          $("<span class='icon close'></span>")
+            .click(cancel))
+        .append(
+          $("<input type='submit'>")
+            .val(I18n.t("browse.start_rjs.load_data"))
+            .click(add)));
   }
 
   var dataLoader;
 
   function getData() {
     var bounds = map.getBounds();
-    var size = bounds.getSize();
-
-    if (size > OSM.MAX_REQUEST_AREA) {
-      setStatus(I18n.t("browse.start_rjs.unable_to_load_size", { max_bbox_size: OSM.MAX_REQUEST_AREA, bbox_size: size }));
-      return;
-    }
-
-    setStatus(I18n.t('browse.start_rjs.loading'));
-
     var url = "/api/" + OSM.API_VERSION + "/map?bbox=" + bounds.toBBoxString();
 
     /*
@@ -105,21 +86,25 @@ function initializeBrowse(map) {
     dataLoader = $.ajax({
       url: url,
       success: function (xml) {
-        clearStatus();
-
         dataLayer.clearLayers();
         selectedLayer = null;
 
         var features = dataLayer.buildFeatures(xml);
 
         function addFeatures() {
+          $("#browse_status").empty();
           dataLayer.addData(features);
+          browseBounds = bounds;
+        }
+
+        function cancelAddFeatures() {
+          $("#browse_status").empty();
         }
 
         if (features.length < maxFeatures) {
           addFeatures();
         } else {
-          displayFeatureWarning(features.length, maxFeatures, addFeatures);
+          displayFeatureWarning(features.length, maxFeatures, addFeatures, cancelAddFeatures);
         }
 
         dataLoader = null;
@@ -135,17 +120,11 @@ function initializeBrowse(map) {
 
     // Redraw in selected style
     layer.originalStyle = layer.options;
-    layer.setStyle({color: '#0000ff', weight: 8});
+    layer.setStyle({ color: "#0000ff", weight: 8 });
 
-    OSM.route('/browse/' + layer.feature.type + '/' + layer.feature.id);
+    OSM.router.route("/" + layer.feature.type + "/" + layer.feature.id);
 
     // Stash the currently drawn feature
     selectedLayer = layer;
   }
-
-  function setStatus(status) {
-  }
-
-  function clearStatus() {
-  }
-}
+};