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Use add/remove events

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This commit is contained in:
Tom Payne
2012-08-02 16:47:08 +02:00
parent bc0bfd8385
commit 1b8132ecfd
3 changed files with 67 additions and 100 deletions
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src/ol/view/attribution.js
+13 -29
View File
@@ -140,7 +140,7 @@ ol.view.Attribution.prototype.getElement = function() {
* @param {ol.Layer} layer Layer.
* @protected
*/
ol.view.Attribution.prototype.handleLayerAdd = function(layer) {
ol.view.Attribution.prototype.addLayer = function(layer) {
var layerKey = goog.getUid(layer);
@@ -171,7 +171,7 @@ ol.view.Attribution.prototype.handleLayerLoad = function(event) {
* @param {ol.Layer} layer Layer.
* @protected
*/
ol.view.Attribution.prototype.handleLayerRemove = function(layer) {
ol.view.Attribution.prototype.removeLayer = function(layer) {
var layerKey = goog.getUid(layer);
@@ -213,10 +213,9 @@ ol.view.Attribution.prototype.handleLayerVisibleChanged = function(event) {
* @param {ol.CollectionEvent} collectionEvent Collection event.
* @protected
*/
ol.view.Attribution.prototype.handleLayersInsertAt = function(collectionEvent) {
var layers = /** @type {ol.Collection} */ collectionEvent.target;
var layer = /** @type {ol.Layer} */ layers.getAt(collectionEvent.index);
this.handleLayerAdd(layer);
ol.view.Attribution.prototype.handleLayersAdd = function(collectionEvent) {
var layer = /** @type {ol.Layer} */ collectionEvent.elem;
this.addLayer(layer);
};
@@ -224,22 +223,9 @@ ol.view.Attribution.prototype.handleLayersInsertAt = function(collectionEvent) {
* @param {ol.CollectionEvent} collectionEvent Collection event.
* @protected
*/
ol.view.Attribution.prototype.handleLayersRemoveAt = function(collectionEvent) {
var layer = /** @type {ol.Layer} */ collectionEvent.prev;
this.handleLayerRemove(layer);
};
/**
* @param {ol.CollectionEvent} collectionEvent Collection event.
* @protected
*/
ol.view.Attribution.prototype.handleLayersSetAt = function(collectionEvent) {
var prevLayer = /** @type {ol.Layer} */ collectionEvent.prev;
this.handleLayerRemove(prevLayer);
var layers = /** @type {ol.Collection} */ collectionEvent.target;
var layer = /** @type {ol.Layer} */ layers.getAt(collectionEvent.index);
this.handleLayerAdd(layer);
ol.view.Attribution.prototype.handleLayersRemove = function(collectionEvent) {
var layer = /** @type {ol.Layer} */ collectionEvent.elem;
this.removeLayer(layer);
};
@@ -274,14 +260,12 @@ ol.view.Attribution.prototype.handleMapLayersChanged = function() {
var map = this.getMap();
var layers = map.getLayers();
if (goog.isDefAndNotNull(layers)) {
layers.forEach(this.handleLayerAdd, this);
layers.forEach(this.addLayer, this);
this.layersListenerKeys_ = [
goog.events.listen(layers, ol.CollectionEventType.INSERT_AT,
this.handleLayersInsertAt, false, this),
goog.events.listen(layers, ol.CollectionEventType.REMOVE_AT,
this.handleLayersRemoveAt, false, this),
goog.events.listen(layers, ol.CollectionEventType.SET_AT,
this.handleLayersSetAt, false, this)
goog.events.listen(layers, ol.CollectionEventType.ADD,
this.handleLayersAdd, false, this),
goog.events.listen(layers, ol.CollectionEventType.REMOVE,
this.handleLayersRemove, false, this)
];
}
};