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Allow testing for projection equality with string.

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This commit is contained in:
tschaub
2011-10-26 16:22:51 -06:00
parent fb790424a5
commit 98d6e74314
2 changed files with 10 additions and 1 deletions
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3
lib/OpenLayers/Projection.js
View File

@@ -101,6 +101,9 @@ OpenLayers.Projection = OpenLayers.Class({
equals: function(projection) {
var p = projection, equals = false;
if (p) {
if (!(projection instanceof OpenLayers.Projection)) {
projection = new OpenLayers.Projection(projection);
}
if (window.Proj4js && this.proj.defData && p.proj.defData) {
equals = this.proj.defData.replace(this.titleRegEx, "") ==
p.proj.defData.replace(this.titleRegEx, "");

8
tests/Projection.html
View File

@@ -24,7 +24,7 @@
}
function test_Projection_equals(t) {
t.plan(8);
t.plan(12);
var origTransforms = OpenLayers.Util.extend({}, OpenLayers.Projection.transforms);
OpenLayers.Projection.addTransform("EPSG:4326", "FOO", OpenLayers.Projection.nullTransform);
OpenLayers.Projection.addTransform("FOO", "EPSG:4326", OpenLayers.Projection.nullTransform);
@@ -57,6 +57,12 @@
t.eq(proj1.equals(proj4), true, "EPSG:4326 and EPSG:4326 are equal with proj4js");
t.eq(proj2.equals(proj5), false, "Projection.equals() returns false for unknown projections with proj4js");
// allow comparison with identifier
t.eq(proj1.equals("EPSG:4326"), true, "EPSG:4326 equality with string");
t.eq(proj1.equals("EPSG:4327"), false, "EPSG:4326 inequality with string");
t.eq(proj1.equals("EPSG:900913"), true, "EPSG:900913 equality with string");
t.eq(proj1.equals("EPSG:900914"), false, "EPSG:900913 inequality with string");
if (!hasProj) {
window.Proj4js = undefined;
}