         partial  : tagsExpanded
         click    : => @hidePreview()
       @input.addSubView @preview
-
     else
       @preview.updatePartial tagsExpanded
 

  showPreview: ->
    return unless value = @input.getValue().trim()
    markedValue = KD.utils.applyMarkdown value
    tags = @input.getTokens().map (token) -> token.data if token.type is "tag"
    tagsExpanded = @utils.expandTokens markedValue, {tags}
    if not @preview


    options.destroyOnSubmit ?= no

    @input = new ActivityInputView defaultValue: options.defaultValue
    @input.on "Escape", @bound "reset"

    @input.on "TokenAdded", (type, token) =>
