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Add optional layerFunction to ol.Map#forEachFeatureAtPixel

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This commit is contained in:
Tom Payne
2013-12-02 16:59:10 +01:00
parent 5acc673c68
commit 9d57b53c0f
2 changed files with 20 additions and 8 deletions
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13
src/ol/renderer/maprenderer.js
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@@ -82,19 +82,24 @@ ol.renderer.Map.prototype.disposeInternal = function() {
* @param {ol.Pixel} pixel Pixel.
* @param {function(this: S, ol.Feature, ol.layer.Layer): T} callback Feature
* callback.
* @param {S=} opt_obj Scope.
* @param {S=} opt_obj Scope for feature callback.
* @param {function(this: U, ol.layer.Layer): boolean=} opt_layerFunction Layer
* function.
* @param {U=} opt_obj2 Scope for layer function.
* @return {T|undefined} Callback result.
* @template S,T
* @template S,T,U
*/
ol.renderer.Map.prototype.forEachFeatureAtPixel =
function(pixel, callback, opt_obj) {
function(pixel, callback, opt_obj, opt_layerFunction, opt_obj2) {
var layerFunction = goog.isDef(opt_layerFunction) ?
opt_layerFunction : goog.functions.TRUE;
var layers = this.map_.getLayers();
if (goog.isDef(layers)) {
var layersArray = layers.getArray();
var i;
for (i = layersArray.length - 1; i >= 0; --i) {
var layer = layersArray[i];
if (layer.getVisible()) {
if (layer.getVisible() && layerFunction.call(opt_obj2, layer)) {
var layerRenderer = this.getLayerRenderer(layer);
var result =
layerRenderer.forEachFeatureAtPixel(pixel, callback, opt_obj);