$id :
$view_id :
$type :
$name :
$position :
$configuration :
$_changed :
all()
byId( $_id)
byView( $_view_id)
removeByViewId( $_view_id)
save()
remove()
getviewData()
getView()
getId()
setId( $_id)
getView_id()
setView_id( $_view_id)
getType()
setType( $_type)
getName()
setName( $_name)
getPosition()
setPosition( $_position)
getConfiguration( $_key = '', $_default = '')
setConfiguration( $_key, $_value)
getChanged()
setChanged( $_changed)