Adding callbacks from isa_gmap_overlays

1 files changed, 25 insertions, 11 deletions

diff --git a/gmap_arcgis.js b/gmap_arcgis.js
index aad3872..2d03795 100644
--- a/gmap_arcgis.js
+++ b/gmap_arcgis.js
@@ -42,31 +42,45 @@ function gmapArcgisHidePolygons(map, polygons) {
 }
 
 // Add polygons from a given ArcGIS MapServer Layer
-function showPolygon(map, polygon) {
+function showPolygon(map, params) {
   var defaultOpacity = 0.55;
 
-  if (typeof polygon.overlay != 'undefined') {
-    polygon.overlay.setOpacity(defaultOpacity);
+  if (typeof params.overlay != 'undefined') {
+    params.overlay.setOpacity(defaultOpacity);
     unblockUI();
     return;
   }
 
-  uri    = polygon['uri'];
-  layers = polygon['layers'];
+  uri    = params['uri'];
+  layers = params['layers'];
 
-  polygon.overlay = new gmaps.ags.MapOverlay(uri, {
+  params.overlay = new gmaps.ags.MapOverlay(uri, {
     exportOptions: {
         layerIds:    layers,
         layerOption: 'show',
     }
   });
 
-  polygon.overlay.setMap(map);
-  polygon.overlay.setOpacity(defaultOpacity);
+  params.overlay.setMap(map);
+  params.overlay.setOpacity(defaultOpacity);
 
-  google.maps.event.addListener(polygon.overlay.getMapService(), 'load', function() {
-    unblockUI();
-  });
+  if (params.callback == undefined) {
+    // Default callback: remove the blockUI once the layer is shown
+    google.maps.event.addListener(params.overlay.getMapService(), 'update', function() {
+      unblockUI();
+    });
+  }
+  else {
+    google.maps.event.addListener(params.overlay.getMapService(), 'update', function() {
+      params.callback(map, params) ; unblockUI();
+    });
+  }
+}
+
+// Add a KML to the map
+function showKML(map, params) {
+  params.overlay = new google.maps.KmlLayer(params.uri);
+  params.overlay.setMap(map);
 }
 
 // UI unblocker wrapper