Disable sequence nav buttons when the sequence is empty

116ecf2a · Calen Pennington · 44e6572e · 116ecf2a
Commit 116ecf2a authored Mar 15, 2013 by Calen Pennington
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common/lib/xmodule/xmodule/js/src/sequence/display.coffee
+5 -0

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--- a/common/lib/xmodule/xmodule/js/src/sequence/display.coffee
+++ b/common/lib/xmodule/xmodule/js/src/sequence/display.coffee
@@ -65,6 +65,11 @@ class @Sequence
  toggleArrows: =>
    @$('.sequence-nav-buttons a').unbind('click')

+    if @contents.length == 0
+      @$('.sequence-nav-buttons .prev a').addClass('disabled')
+      @$('.sequence-nav-buttons .next a').addClass('disabled')
+      return
+
    if @position == 1
      @$('.sequence-nav-buttons .prev a').addClass('disabled')
    else