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give layer an "added" and "removed" event. p=mpriour,me r=me (closes #2983)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@11052 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
ahocevar
2011-01-22 12:04:40 +00:00
parent f73fb689a8
commit 4a9460b314
5 changed files with 39 additions and 40 deletions
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tests/Layer.html
+25 -4
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@@ -751,16 +751,27 @@
function test_afterAdd(t) {
t.plan(1);
t.plan(4);
var log = [];
var map = new OpenLayers.Map("map");
var layer = new OpenLayers.Layer(null, {isBaseLayer: true});
var layer = new OpenLayers.Layer(null, {
isBaseLayer: true,
eventListeners: {
"added": function(evt) {
log.push(evt);
}
}
});
var hasBase = false;
layer.afterAdd = function() {
hasBase = !!(layer.map && layer.map.baseLayer);
}
map.addLayer(layer);
t.eq(hasBase, true, "when afterAdd is called, map has a base layer");
t.eq(log.length, 1, "added event triggered");
t.eq(log[0].map.id, map.id, "added listener argument with correct map");
t.eq(log[0].layer.id, layer.id, "added listener argument with correct layer");
}
@@ -806,11 +817,18 @@
function test_Layer_destroy (t) {
t.plan( 5 );
t.plan( 8 );
var log = [];
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer('Test Layer');
layer = new OpenLayers.Layer('Test Layer', {
eventListeners: {
"removed": function(evt) {
log.push(evt);
}
}
});
map.addLayer(layer);
@@ -822,6 +840,9 @@
t.eq( layer.options, null, "layer.options is null after destroy" );
t.eq(map.layers.length, 0, "layer removed from map");
t.eq(log.length, 1, "removed event triggered");
t.eq(log[0].map.id, map.id, "removed listener argument with correct map");
t.eq(log[0].layer.id, layer.id, "removed listener argument with correct layer");
map.destroy();