Extract iD.ui.Attribution

index.html

@@ -57,6 +57,7 @@
         <script src="js/id/svg/labels.js"></script>
 
         <script src="js/id/ui.js"></script>
+        <script src='js/id/ui/attribution.js'></script>
         <script src='js/id/ui/radial_menu.js'></script>
         <script src='js/id/ui/inspector.js'></script>
         <script src='js/id/ui/modal.js'></script>

js/id/ui.js

@@ -90,15 +90,9 @@ iD.ui = function(context) {
             .attr('href', 'http://github.com/systemed/iD/issues')
             .text(t('report_a_bug'));
 
-        var imagery = linkList.append('li')
-            .attr('id', 'attribution');
-
-        imagery.append('span')
-            .text('imagery');
-
-        imagery
-            .append('span')
-            .attr('class', 'provided-by');
+        linkList.append('li')
+            .attr('id', 'attribution')
+            .call(iD.ui.Attribution(context));
 
         linkList.append('li')
             .attr('class', 'source-switch')

js/id/ui/attribution.js

@@ -0,0 +1,10 @@
+iD.ui.Attribution = function(context) {
+    return function(selection) {
+        selection.append('span')
+            .text('imagery');
+
+        selection
+            .append('span')
+            .attr('class', 'provided-by');
+    }
+};