Toggle help modal

app/assets/javascripts/shortcuts.js.coffee

@@ -2,34 +2,37 @@ class @Shortcuts
   constructor: ->
     @enabledHelp = []
     Mousetrap.reset()
-    Mousetrap.bind('?', @selectiveHelp)
+    Mousetrap.bind('?', @onToggleHelp)
     Mousetrap.bind('s', Shortcuts.focusSearch)
     Mousetrap.bind(['ctrl+shift+p', 'command+shift+p'], @toggleMarkdownPreview)
     Mousetrap.bind('t', -> Turbolinks.visit(findFileURL)) if findFileURL?
 
-  selectiveHelp: (e) =>
-    Shortcuts.showHelp(e, @enabledHelp)
+  onToggleHelp: (e) =>
+    e.preventDefault()
+    @toggleHelp(@enabledHelp)
 
   toggleMarkdownPreview: (e) =>
     $(document).triggerHandler('markdown-preview:toggle', [e])
 
-  @showHelp: (e, location) ->
-    if $('#modal-shortcuts').length > 0
-      $('#modal-shortcuts').modal('show')
-    else
-      url = '/help/shortcuts'
-      url = gon.relative_url_root + url if gon.relative_url_root?
-      $.ajax(
-        url: url,
-        dataType: 'script',
-        success: (e) ->
-          if location and location.length > 0
-            $(l).show() for l in location
-          else
-            $('.hidden-shortcut').show()
-            $('.js-more-help-button').remove()
-      )
-      e.preventDefault()
+  toggleHelp: (location) ->
+    $modal = $('#modal-shortcuts')
+
+    if $modal.length
+      $modal.modal('toggle')
+      return
+
+    url = '/help/shortcuts'
+    url = gon.relative_url_root + url if gon.relative_url_root?
+    $.ajax(
+      url: url,
+      dataType: 'script',
+      success: (e) ->
+        if location and location.length > 0
+          $(l).show() for l in location
+        else
+          $('.hidden-shortcut').show()
+          $('.js-more-help-button').remove()
+    )
 
   @focusSearch: (e) ->
     $('#search').focus()