diff --git a/src/ol/layer/vectorlayer.js b/src/ol/layer/vectorlayer.js
index fdef16b75a..83d4249a3d 100644
--- a/src/ol/layer/vectorlayer.js
+++ b/src/ol/layer/vectorlayer.js
@@ -10,6 +10,7 @@ goog.require('ol.expr.Literal');
goog.require('ol.expr.Logical');
goog.require('ol.expr.LogicalOp');
goog.require('ol.expr.functions');
+goog.require('ol.extent');
goog.require('ol.geom.GeometryType');
goog.require('ol.geom.SharedVertices');
goog.require('ol.layer.Layer');
@@ -200,6 +201,34 @@ ol.layer.FeatureCache.prototype.getFeaturesByIds_ = function(ids) {
};
+/**
+ * Remove a feature from the cache.
+ * @param {ol.Feature} feature Feature.
+ */
+ol.layer.FeatureCache.prototype.remove = function(feature) {
+ var id = goog.getUid(feature).toString(),
+ geometry = feature.getGeometry();
+
+ delete this.idLookup_[id];
+
+ // index by geometry type and bounding box
+ if (!goog.isNull(geometry)) {
+ var geometryType = geometry.getType();
+ delete this.geometryTypeIndex_[geometryType][id];
+ this.rTree_.remove(geometry.getBounds(), feature);
+ }
+};
+
+
+/**
+ * TODO: Create a VectorLayerEvent with ADD and REMOVE event types
+ * @typedef {{extent: (ol.Extent|undefined),
+ * features: (Array.
|undefined),
+ * type: goog.events.EventType}}
+ */
+ol.layer.VectorLayerEventObject;
+
+
/**
* @constructor
@@ -262,11 +291,21 @@ goog.inherits(ol.layer.Vector, ol.layer.Layer);
* @param {Array.} features Array of features.
*/
ol.layer.Vector.prototype.addFeatures = function(features) {
+ var extent = ol.extent.createEmpty(),
+ feature, geometry;
for (var i = 0, ii = features.length; i < ii; ++i) {
- this.featureCache_.add(features[i]);
+ feature = features[i];
+ this.featureCache_.add(feature);
+ geometry = feature.getGeometry();
+ if (!goog.isNull(geometry)) {
+ ol.extent.extend(extent, geometry.getBounds());
+ }
}
- // TODO: events for real - listeners want features and extent here
- this.dispatchEvent(goog.events.EventType.CHANGE);
+ this.dispatchEvent(/** @type {ol.layer.VectorLayerEventObject} */ ({
+ extent: extent,
+ features: features,
+ type: goog.events.EventType.CHANGE
+ }));
};
@@ -456,6 +495,29 @@ ol.layer.Vector.prototype.getTransformFeatureInfo = function() {
};
+/**
+ * Remove features from the layer.
+ * @param {Array.} features Features to remove.
+ */
+ol.layer.Vector.prototype.removeFeatures = function(features) {
+ var extent = ol.extent.createEmpty(),
+ feature, geometry;
+ for (var i = 0, ii = features.length; i < ii; ++i) {
+ feature = features[i];
+ this.featureCache_.remove(feature);
+ geometry = feature.getGeometry();
+ if (!goog.isNull(geometry)) {
+ ol.extent.extend(extent, geometry.getBounds());
+ }
+ }
+ this.dispatchEvent(/** @type {ol.layer.VectorLayerEventObject} */ ({
+ extent: extent,
+ features: features,
+ type: goog.events.EventType.CHANGE
+ }));
+};
+
+
/**
* @param {Array.} features Features.
* @return {string} Feature info.