[Pkg-javascript-commits] [leaflet-markercluster] 240/479: Add another edge test case and fix.

Jonas Smedegaard dr at jones.dk
Thu Oct 16 16:00:35 UTC 2014


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js pushed a commit to branch master
in repository leaflet-markercluster.

commit 4b12ba627491ea9dab3ee2f4c6e5409974c18238
Author: danzel <danzel at localhost.geek.nz>
Date:   Fri Sep 14 10:41:37 2012 +1200

    Add another edge test case and fix.
---
 example/old-bugs/remove-add-clustering.html | 75 +++++++++++++++++++++++++++++
 src/MarkerClusterGroup.js                   | 11 +++++
 2 files changed, 86 insertions(+)

diff --git a/example/old-bugs/remove-add-clustering.html b/example/old-bugs/remove-add-clustering.html
new file mode 100644
index 0000000..7ee36fc
--- /dev/null
+++ b/example/old-bugs/remove-add-clustering.html
@@ -0,0 +1,75 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<title>Leaflet debug page</title>
+
+	<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4.4/leaflet.css" />
+	<!--[if lte IE 8]><link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4.4/leaflet.ie.css" /><![endif]-->
+	<script src="http://cdn.leafletjs.com/leaflet-0.4.4/leaflet-src.js"></script>
+	<meta name="viewport" content="width=device-width, initial-scale=1.0">
+	<link rel="stylesheet" href="../screen.css" />
+
+	<link rel="stylesheet" href="../../dist/MarkerCluster.css" />
+	<link rel="stylesheet" href="../../dist/MarkerCluster.Default.css" />
+	<!--[if lte IE 8]><link rel="stylesheet" href="../../dist/MarkerCluster.Default.ie.css" /><![endif]-->
+	<script src="../../src/DistanceGrid.js"></script>
+	<script src="../../src/MarkerCluster.js"></script>
+	<script src="../../src/MarkerClusterGroup.js"></script>
+	<script src="../../src/MarkerCluster.QuickHull.js"></script>
+	<script src="../../src/MarkerCluster.Spiderfier.js"></script>
+</head>
+<body>
+
+	<div id="map"></div>
+	<p>Whenever a marker is clicked it is removed from the clusterer and added directly to the map instead.</p>
+	<p>Click Marker on Left, zoom out 1 layer, click marker on right.</p>
+	<p>Expected behaviour: Both markers are shown. Bugged behaviour: Both markers are on map with opacity 0.</p>
+	<pre id="log"></pre>
+
+	<script type="text/javascript">
+
+		var cloudmadeUrl = 'http://{s}.tile.cloudmade.com/BC9A493B41014CAABB98F0471D759707/997/256/{z}/{x}/{y}.png',
+			cloudmadeAttribution = 'Map data © 2011 OpenStreetMap contributors, Imagery © 2011 CloudMade',
+			cloudmade = new L.TileLayer(cloudmadeUrl, {maxZoom: 18, attribution: cloudmadeAttribution}),
+			latlng = new L.LatLng(50.5, 30.51);
+
+		var map = new L.Map('map', {center: latlng, zoom: 15, layers: [cloudmade]});
+
+		var markers = new L.MarkerClusterGroup({ animateAddingMarkers: true });
+		var markersList = [];
+		var m;
+
+		m = new L.Marker([50.5, 30.51]);
+		markersList.push(m);
+		markers.addLayer(m);
+		m = new L.Marker([50.5, 30.515]);
+		markersList.push(m);
+		markers.addLayer(m);
+
+		map.addLayer(markers);
+
+		var lastClicked = null;
+		markers.on('click', function (m) {
+			console.log('clicked ' + m);
+			if (lastClicked) {
+				map.removeLayer(lastClicked);
+				markers.addLayer(lastClicked);
+			}
+
+			lastClicked = m.layer;
+
+			markers.removeLayer(lastClicked);
+			map.addLayer(lastClicked);
+		});
+
+		map.on('click', function () {
+			console.log('map clicked');
+			if (lastClicked) {
+				map.removeLayer(lastClicked);
+				markers.addLayer(lastClicked);
+			}
+			lastClicked = null;
+		});
+	</script>
+</body>
+</html>
diff --git a/src/MarkerClusterGroup.js b/src/MarkerClusterGroup.js
index 212c5ce..26aecea 100644
--- a/src/MarkerClusterGroup.js
+++ b/src/MarkerClusterGroup.js
@@ -108,6 +108,7 @@ L.MarkerClusterGroup = L.FeatureGroup.extend({
 
 		if (layer._icon) {
 			L.FeatureGroup.prototype.removeLayer.call(this, layer);
+			layer.setOpacity(1);
 		}
 		return this;
 	},
@@ -646,6 +647,16 @@ L.MarkerClusterGroup.include(!L.DomUtil.TRANSITION ? {
 		//When the animations are done, tidy up
 		setTimeout(function () {
 
+			//This cluster stopped being a cluster before the timeout fired
+			if (cluster._childCount == 1) {
+				var m = cluster._markers[0];
+				//If we were in a cluster animation at the time then the opacity and position of our child could be wrong now, so fix it
+				m.setLatLng(m.getLatLng());
+				m.setOpacity(1);
+
+				return;
+			}
+
 			cluster._recursively(bounds, newZoomLevel, 0, function (c) {
 				c._recursivelyRemoveChildrenFromMap(bounds, previousZoomLevel + 1);
 			});

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