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fixing getOLZoomFromMapObjectZoom so it also works when the layer is not the baseLayer. r=bartvde,tschaub (see #3342)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@12105 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
ahocevar
2011-06-18 19:11:54 +00:00
parent 1ccf325285
commit 6248cdc94d
3 changed files with 94 additions and 1 deletions
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tests/Layer/FixedZoomLevels.html
+29 -1
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@@ -82,6 +82,34 @@
t.eq( layer.resolutions[i], resolutions[i + minZoomLevel], "resolutions array at index " + i + " ok");
}
}
function test_getMapObjectZoomFromOLZoom(t) {
t.plan(4);
var map = new OpenLayers.Map("map", {allOverlays: true});
var xyz = new OpenLayers.Layer.XYZ("xyz", "${x}${y}${z}", {
sphericalMercator: true,
resolutions: [39135.7584765625, 19567.87923828125, 9783.939619140625]
});
var fixed = new (OpenLayers.Class(OpenLayers.Layer, OpenLayers.Layer.FixedZoomLevels, {
initialize: function() {
OpenLayers.Layer.prototype.initialize.apply(this, arguments);
}
}))("fixed", {
resolutions: [156543.03390625, 78271.516953125, 39135.7584765625, 19567.87923828125, 9783.939619140625],
minZoomLevel: 1
});
map.addLayers([xyz, fixed]);
map.setCenter(new OpenLayers.LonLat(0, 0), 2);
// map.getZoom() returns 2
t.eq(fixed.getMapObjectZoomFromOLZoom(map.getZoom()), 4, "correct return value from getMapObjectZoomFromOLZoom");
t.eq(fixed.getOLZoomFromMapObjectZoom(4), map.getZoom() - fixed.minZoomLevel, "correct return value from getOLZoomFromMapObjectZoom");
map.setBaseLayer(fixed);
// map.getZoom() returns 4 now
t.eq(fixed.getMapObjectZoomFromOLZoom(map.getZoom()), 5, "correct return value from getMapObjectZoomFromOLZoom");
t.eq(fixed.getOLZoomFromMapObjectZoom(5), map.getZoom(), "correct return value from getOLZoomFromMapObjectZoom");
}
function p_createLayer(layer, mapOptions, layerOptions) {
@@ -104,6 +132,6 @@
</script>
</head>
<body>
<div id="map"></div>
<div id="map" style="width:256px;height:256px"></div>
</body>
</html>