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maxZIndex becomes NULL when the last feature is removed, p=pvalsecc, r=me (closes #1670)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@7712 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Éric Lemoine
2008-08-08 12:23:59 +00:00
parent 0493525660
commit 3791712a10
2 changed files with 95 additions and 5 deletions
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14
lib/OpenLayers/Renderer/Elements.js
View File

@@ -128,9 +128,22 @@ OpenLayers.ElementsIndexer = OpenLayers.Class({
// Reset the maxium z-index based on the last item in the
// order array.
if (this.order.length > 0) {
var lastId = this.order[this.order.length - 1];
this.maxZIndex = this.indices[lastId];
} else {
this.maxZIndex = 0;
}
}
},
/**
* APIMethod: clear
*/
clear: function() {
this.order = [];
this.indices = {};
this.maxZIndex = 0;
},
/**
@@ -395,6 +408,7 @@ OpenLayers.Renderer.Elements = OpenLayers.Class(OpenLayers.Renderer, {
this.root.removeChild(this.root.firstChild);
}
}
this.indexer.clear();
},
/**

76
tests/Renderer/Elements.html
View File

@@ -452,6 +452,82 @@
OpenLayers.Util.getElement = OpenLayers.Util._getElement;
}
function test_Elements_drawAndErase(t) {
t.plan(20);
setUp();
var r = create_renderer();
var element = document.createElement("div");
r.root = element;
document.body.appendChild(element);
r.createNode = function(type, id) {
var element = document.createElement("div");
element.id = id;
return element;
};
r.setStyle = function(node, style, options, geometry) {
return node;
};
var geometry = {
id: 'foo',
CLASS_NAME: 'bar'
};
var style = {
graphicZIndex: 10
};
var featureId = 'foo';
r.drawGeometry(geometry, style, featureId);
function count(obj) {
var result = 0;
for (var i in obj) {
result++;
}
return result;
}
t.ok(r.root.childNodes.length == 1, "root is correctly filled");
t.ok(r.indexer.maxZIndex == 10, "indexer.maxZIndex is correctly filled");
t.ok(r.indexer.order.length == 1, "indexer.order is correctly filled");
t.ok(count(r.indexer.indices) == 1, "indexer.indices is correctly filled");
r.eraseGeometry(geometry);
t.ok(r.root.childNodes.length == 0, "root is correctly cleared");
t.ok(r.indexer.maxZIndex == 0, "indexer.maxZIndex is correctly reset");
t.ok(r.indexer.order.length == 0, "indexer.order is correctly reset");
t.ok(count(r.indexer.indices) == 0, "indexer.indices is correctly reset");
delete(style.graphicZIndex);
r.drawGeometry(geometry, style, featureId);
t.ok(r.root.childNodes.length == 1, "root is correctly filled");
t.ok(r.indexer.maxZIndex == 0, "indexer.maxZIndex is correctly filled");
t.ok(r.indexer.order.length == 1, "indexer.order is correctly filled");
t.ok(count(r.indexer.indices) == 1, "indexer.indices is correctly filled");
r.clear();
t.ok(r.root.childNodes.length == 0, "root is correctly cleared");
t.ok(r.indexer.maxZIndex == 0, "indexer.maxZIndex is correctly reset");
t.ok(r.indexer.order.length == 0, "indexer.order is correctly reset");
t.ok(count(r.indexer.indices) == 0, "indexer.indices is correctly reset");
style.graphicZIndex = 12;
r.drawGeometry(geometry, style, featureId);
t.ok(r.root.childNodes.length == 1, "root is correctly filled");
t.ok(r.indexer.maxZIndex == 12, "indexer.maxZIndex is correctly filled");
t.ok(r.indexer.order.length == 1, "indexer.order is correctly filled");
t.ok(count(r.indexer.indices) == 1, "indexer.indices is correctly filled");
tearDown();
}
</script>
</head>
<body>