oldhaven/app/assets/javascripts/ajax.coffee

class window.Ajax
  
  referer: false
  previous_page: null
  
  showSpinner: ->
    $('#artist-load-spinner').show()
    false
  
  hideSpinner: ->
    $('#artist-load-spinner').hide()
    false
  
  setArchor: (anchor) ->
    @referer = this.getAnchor()
    window.location.hash = '#' +anchor
  
  getAnchor: () ->
    window.location.hash.substring 1;
  
  setTitle: (title) ->
    if title?
      document.title = title+ ' @ BeatHaven'
    else
      document.title ='BeatHaven'
    
  go: (url) ->
    this.setArchor url
    false

  detectPage: () ->
    return false if @previous_page == _ajax.getAnchor()
    @previous_page = _ajax.getAnchor()
    path = _ajax.getAnchor()
    if path in ["", "/"]
      path = "/greetings/"
    
    log "Ajax controller is detecting page for #{path} ..."
    
    if m = path.match /\/artist\/(.+)\//
      _search.loadArtistData m[1]
    else
      this.showSpinner()
      _session.query path, {}, (response) ->
        _page.render response
        _ajax.hideSpinner()
    false

$(window).bind 'hashchange', ->
  _ajax.detectPage()
  false