Merge pull request #174 from ahocevar/feature-events

Turning @tschaub's FeatureAgent into an event extension. r=@bartvde
2013-05-27 17:17:42 -07:00
parent 8778b746b3
commit fe0620dc7f
7 changed files with 532 additions and 0 deletions
@@ -0,0 +1,67 @@
+var layerListeners = {
+    featureclick: function(e) {
+        log(e.object.name + " says: " + e.feature.id + " clicked.");
+        return false;
+    },
+    nofeatureclick: function(e) {
+        log(e.object.name + " says: No feature clicked.");
+    }
+};
+
+var style = new OpenLayers.StyleMap({
+    'default': OpenLayers.Util.applyDefaults(
+        {label: "${l}", pointRadius: 10},
+        OpenLayers.Feature.Vector.style["default"]
+    ),
+    'select': OpenLayers.Util.applyDefaults(
+        {pointRadius: 10},
+        OpenLayers.Feature.Vector.style.select
+    )
+});
+var layer1 = new OpenLayers.Layer.Vector("Layer 1", {
+    styleMap: style,
+    eventListeners: layerListeners
+});
+layer1.addFeatures([
+    new OpenLayers.Feature.Vector(OpenLayers.Geometry.fromWKT("POINT(-1 -1)"), {l:1}),
+    new OpenLayers.Feature.Vector(OpenLayers.Geometry.fromWKT("POINT(1 1)"), {l:1})
+]);
+var layer2 = new OpenLayers.Layer.Vector("Layer 2", {
+    styleMap: style,
+    eventListeners: layerListeners
+});
+layer2.addFeatures([
+    new OpenLayers.Feature.Vector(OpenLayers.Geometry.fromWKT("POINT(-1 1)"), {l:2}),
+    new OpenLayers.Feature.Vector(OpenLayers.Geometry.fromWKT("POINT(1 -1)"), {l:2})
+]);
+
+var map = new OpenLayers.Map({
+    div: "map",
+    allOverlays: true,
+    layers: [layer1, layer2],
+    zoom: 6,
+    center: [0, 0],
+    eventListeners: {
+        featureover: function(e) {
+            e.feature.renderIntent = "select";
+            e.feature.layer.drawFeature(e.feature);
+            log("Map says: Pointer entered " + e.feature.id + " on " + e.feature.layer.name);
+        },
+        featureout: function(e) {
+            e.feature.renderIntent = "default";
+            e.feature.layer.drawFeature(e.feature);
+            log("Map says: Pointer left " + e.feature.id + " on " + e.feature.layer.name);
+        },
+        featureclick: function(e) {
+            log("Map says: " + e.feature.id + " clicked on " + e.feature.layer.name);
+        }
+    }
+});
+
+function log(msg) {
+    if (!log.timer) {
+        result.innerHTML = "";
+        log.timer = window.setTimeout(function() {delete log.timer;}, 100);
+    }
+    result.innerHTML += msg + "<br>";
+}