class Pettanr.ScrollPanel extends Peta.Leaf
  
  @singular: () ->
    'ScrollPanel'
  
  @plural: () ->
    'ScrollPanels'
  
  defaults: {
    id: null,
    scroll_id: null,
    panel_id: null,
    t: null
  } 
  
  @pick_item_name: () ->
    'panel'
  
  @traceable_item_names: () ->
    []
  
  pick: (picked_item) ->
    {
      panel_id: picked_item.get('id'),
    }
  
  @licensed_pictures: (scroll_panels) ->
    panels = _.filter(scroll_panels, (sp) ->
      sp.has_panel()
    )
    Pettanr.Panel.licensed_pictures(panels)
  
  has_panel: () ->
    if @get('panel_id')
      true
    else
      false
  
  initialize: (attr = {}, options = {}) ->
    super(attr, options)