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only try to set the attribution string if the map actually has some layers. (Closes #979)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@4338 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
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euzuro
2007-09-16 17:13:15 +00:00
parent 65466b0c27
commit 48ceca88a5
1 changed files with 9 additions and 7 deletions
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lib/OpenLayers/Control/Attribution.js
+7 -5
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@@ -66,13 +66,15 @@ OpenLayers.Control.Attribution =
*/ */
updateAttribution: function() { updateAttribution: function() {
var attributions = []; var attributions = [];
for(var i=0; i < this.map.layers.length; i++) { if (this.map && this.map.layers) {
var layer = this.map.layers[i]; for(var i=0; i < this.map.layers.length; i++) {
if (layer.attribution && layer.getVisibility()) { var layer = this.map.layers[i];
attributions.push( layer.attribution ); if (layer.attribution && layer.getVisibility()) {
attributions.push( layer.attribution );
}
} }
this.div.innerHTML = attributions.join(this.separator);
} }
this.div.innerHTML = attributions.join(this.separator);
}, },
/** @final @type String */ /** @final @type String */