openlayers/tests/Layer/Vector/RootContainer.html

   1 <html>
   2 <head>
   3   <script src="../../../lib/OpenLayers.js"></script>
   4   <script type="text/javascript">
   5     var layer, map;
   6
   7     function test_RootContainer_collectResetRoots(t) {
   8
   9         map = new OpenLayers.Map("map");
  10         var layer1 = new OpenLayers.Layer.Vector("layer1");
  11         var layer2 = new OpenLayers.Layer.Vector("layer2");
  12         layer = new OpenLayers.Layer.Vector.RootContainer("layer_1_2", {
  13             layers: [layer1, layer2]
  14         });
  15
  16         // we cannot test this with a renderer that does not hava a rendererRoot
  17         var plan = layer.renderer.rendererRoot ? 4 : 0;
  18         t.plan(plan);
  19         if(plan == 0) {
  20             return;
  21         }
  22
  23         var numRoots = layer.renderer.rendererRoot.childNodes.length;
  24
  25         // addLayers will call setMap() for layer, which will call collectRoots()
  26         map.addLayers([layer1, layer2, layer]);
  27         t.eq(layer.renderer.rendererRoot.childNodes.length, numRoots * 3, "layer has correct number of renderer roots");
  28         t.eq(layer1.renderer.rendererRoot.childNodes.length, 0, "layer1 has no own renderer root");
  29
  30         layer.resetRoots();
  31         t.eq(layer.renderer.rendererRoot.childNodes.length, numRoots, "roots removed from container");
  32         t.eq(layer1.renderer.rendererRoot.childNodes.length, numRoots, "root re-added to original layer");
  33     }
  34
  35     function test_RootContainer_getFeatureFromEvent(t) {
  36         t.plan(2);
  37         var map = new OpenLayers.Map("map");
  38         var layer1 = new OpenLayers.Layer.Vector("layer1");
  39         var layer2 = new OpenLayers.Layer.Vector("layer2");
  40         layer = new OpenLayers.Layer.Vector.RootContainer("layer_1_2", {
  41             layers: [layer1, layer2]
  42         });
  43         map.addLayers([layer1, layer2, layer]);
  44         var feature1 = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(0,1));
  45         var feature2 = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(1,0));
  46         layer1.addFeatures(feature1);
  47         layer2.addFeatures(feature2);
  48         t.eq(layer.getFeatureFromEvent({
  49             srcElement: {
  50                 _featureId: feature1.id
  51             }
  52         }).id, feature1.id, "feature from layer1 found");
  53         t.eq(layer.getFeatureFromEvent({srcElement: {
  54             _featureId: feature2.id
  55         }}).id, feature2.id, "feature from layer2 found");
  56     }
  57
  58   </script>
  59 </head>
  60 <body>
  61   <div id="map" style="width:500px;height:550px"></div>
  62 </body>
  63 </html>