Changeset 7959

Timestamp:

09/05/08 03:05:11 (3 months ago)

Author:

elemoine

Message:

add "refresh" event to Layer.Vector, r=tschaub (closes #1695)

Files:

• trunk/openlayers/lib/OpenLayers/Layer/Vector.js (modified) (2 diffs)
• trunk/openlayers/tests/Layer/Vector.html (modified) (1 diff)

trunk/openlayers/lib/OpenLayers/Layer/Vector.js

@@ -70 +70 @@
-     *      Listeners will receive an object with a *feature* property referencing 
-     *      the modified feature.
+     *  - *refresh* Triggered when something wants a strategy to ask the protocol
+     *      for a new set of features.
-     */
-    EVENT_TYPES: ["beforefeatureadded", "featureadded", "featuresadded",
-                  "beforefeatureremoved", "featureremoved", "featuresremoved",
-                  "beforefeatureselected", "featureselected", "featureunselected", 
-
+
+
-
-    /**
@@ -264 +267 @@
-        this.drawn = null;
-        OpenLayers.Layer.prototype.destroy.apply(this, arguments);  
+    },
+
+    /**
+     * Method: refresh
+     * Ask the layer to request features again and redraw them.  Triggers
+     *     the refresh event if the layer is in range and visible.
+     *
+     * Parameters:
+     * obj - {Object} Optional object with properties for any listener of
+     *     the refresh event.
+     */
+    refresh: function(obj) {
+        if(this.inRange && this.visibility) {
+            this.events.triggerEvent("refresh", obj);
+        }
-    },
-

trunk/openlayers/tests/Layer/Vector.html

@@ -20 +20 @@
-             (layer.strategies[0].layer.name == layer.strategies[1].layer.name), 
-             "setLayer was called on strategies");
+    }
+
+    function test_Layer_Vector_refresh(t) {
+        t.plan(1);
+
+        var obj = {"an": "object"};
+
+        var layer = new OpenLayers.Layer.Vector(name, {
+            eventListeners: {
+                refresh: function(o) {
+                    t.ok(o == obj,
+                         "refresh listener called with correct arg");
+                }
+            }
+        });
+
+        // 0 test
+        layer.inRange = false;
+        layer.visibility = false;
+        layer.refresh(obj);
+
+        // 0 test
+        layer.inRange = true;
+        layer.visibility = false;
+        layer.refresh(obj);
+
+        // 0 test
+        layer.inRange = false;
+        layer.visibility = true;
+        layer.refresh(obj);
+      
+        // 1 test
+        layer.inRange = true;
+        layer.visibility = true;
+        layer.refresh(obj);
-    }
-