gistfile1.coffee

$ ->
  class AjaxDateUpdater
    constructor: (@id, @url) ->
      $(@id).hover hover_in, hover_out
      @old = ""
      @has_focus = false
    
    hover_in = () ->
      unless @has_focus
        @old = $(this).html()
        width = $(this).width()
        $(this).html ""
        props = { "type": 'name'
        "name": @id
        "value": @old
        "style": "width: " + width + "px"
        }
        input = $( "<input>", props)
        input.appendTo this
        
        input.focusin grab_focus
        input.focusout leave_focus
  
    hover_out = () ->
      unless @has_focus
        $(this).html @old
  
    grab_focus = () =>
      console.log "grabfocus"
      @has_focus = true
    
    leave_focus = () =>
      @has_focus = false