Manage inconsistent data

2 files changed, 53 insertions, 35 deletions

diff --git a/chimere/static/chimere/js/jquery.chimere.js b/chimere/static/chimere/js/jquery.chimere.js
index d944561..fa85637 100644
--- a/chimere/static/chimere/js/jquery.chimere.js
+++ b/chimere/static/chimere/js/jquery.chimere.js
@@ -739,6 +739,13 @@ function transformCoordToLonLat(coord) {
             }
         },
         _move_end: function(e){
+            // prevent too fast reloading when UI is inconsistent
+            var d = new Date();
+            var n = d.getTime();
+            if (typeof settings._move_end_time != 'undefined'){
+                if ((n - settings._move_end_time) < 500) return;
+            }
+            settings._move_end_time = n;
             settings._reload_on_move(e);
         },
         update_permalink: function(e){
@@ -817,41 +824,48 @@ function transformCoordToLonLat(coord) {
 
             /* zoom & center */
             var zoom = items[0];
-            var center = items[1].split(':');
-            center = [Math.round(center[0] * 1000) / 1000,
-                      Math.round(center[1] * 1000) / 1000];
-            center = ol.proj.transform(
-                        center,
-                        EPSG_DISPLAY_PROJECTION,
-                        EPSG_PROJECTION);
-            //methods._set_animation();
-            view.setZoom(zoom);
-            view.setCenter(center);
-
+            if (zoom){
+                view.setZoom(zoom);
+            }
+            if (items[1]){
+                var center = items[1].split(':');
+                center = [Math.round(center[0] * 1000) / 1000,
+                          Math.round(center[1] * 1000) / 1000];
+                center = ol.proj.transform(
+                            center,
+                            EPSG_DISPLAY_PROJECTION,
+                            EPSG_PROJECTION);
+                //methods._set_animation();
+                view.setCenter(center);
+            }
             /* layers */
-            var layers = items[2].split(':');
-            $.each(settings.map.getLayers().getArray(), function(i, l){
-                var idx = l.getProperties()['base-layer-idx'];
-                if (typeof idx != 'undefined' && String(idx) != '0'){
-                    if (layers.indexOf(String(idx)) != -1){
-                        if (!l.getVisible()) l.setVisible(true);
-                    } else {
-                        if (l.getVisible()) l.setVisible(false);
+            if (items[2]){
+                var layers = items[2].split(':');
+                $.each(settings.map.getLayers().getArray(), function(i, l){
+                    var idx = l.getProperties()['base-layer-idx'];
+                    if (typeof idx != 'undefined' && String(idx) != '0'){
+                        if (layers.indexOf(String(idx)) != -1){
+                            if (!l.getVisible()) l.setVisible(true);
+                        } else {
+                            if (l.getVisible()) l.setVisible(false);
+                        }
                     }
-                }
-            });
+                });
+            }
 
             /* categories */
-            var checked_categories = items[3].split('-');
-            $('#frm_categories .subcategories input:checkbox').each(
-                function(index){
-                    var cat_id = $(this).attr('id').split('_').pop();
-                    if (checked_categories.indexOf(cat_id) != -1){
-                        $(this).click();
-                    } else {
-                        $(this).attr('checked', '');
-                    }
-            });
+            if (items[3]){
+                var checked_categories = items[3].split('-');
+                $('#frm_categories .subcategories input:checkbox').each(
+                    function(index){
+                        var cat_id = $(this).attr('id').split('_').pop();
+                        if (checked_categories.indexOf(cat_id) != -1){
+                            $(this).click();
+                        } else {
+                            $(this).attr('checked', '');
+                        }
+                });
+            }
 
             var routing_speed = items[5];
             if (routing_speed)
@@ -955,9 +969,11 @@ function transformCoordToLonLat(coord) {
                     current_extent[1] = current_extent[1] - y_extent;
                     current_extent[2] = current_extent[2] + x_extent;
                     current_extent[3] = current_extent[3] + y_extent;
-                    settings._cache_boundingbox = current_extent;
-                    settings._cache_zoom = current_zoom;
-
+                    if (!isNaN(current_extent[0]) && !isNaN(current_extent[1])
+                        && !isNaN(current_extent[2]) && !isNaN(current_extent[3])){
+                        settings._cache_boundingbox = current_extent;
+                        settings._cache_zoom = current_zoom;
+                    }
                     if(!init) methods.loadGeoObjects();
                 }
             };
diff --git a/chimere/views.py b/chimere/views.py
index 520cfee..c063038 100644
--- a/chimere/views.py
+++ b/chimere/views.py
@@ -789,13 +789,15 @@ def getGeoObjects(request, area_name, category_ids, status):
     bounding_box = []
     for attr in ['min_lon', 'min_lat', 'max_lon', 'max_lat']:
         value = request.GET.get(attr, None)
-        if not value:
+        if not value or value == 'NaN':
             bounding_box = None
             break
         bounding_box.append(value)
     if bounding_box:
         bounding_box = GEOSPolygon.from_bbox(bounding_box)
     zoom_level = request.GET.get('zoom_level', None)
+    if zoom_level == '0':
+        zoom_level = None
 
     jsons, zoom_need_reload = _getGeoObjects(
         area_name, category_ids, status, bounding_box=bounding_box,