module Netzke
  #
  # An invisible component that provides feedback service for all Netzke widgets
  #
  class FeedbackGhost < Base
    class << self
      def js_base_class
        "Ext.Component" # yes, invisible
      end

      def js_extend_properties
        {
          :show_feedback => <<-JS.l,
            function(msg){
              var createBox = function(s, l){
                  return ['<div class="msg">',
                          '<div class="x-box-tl"><div class="x-box-tr"><div class="x-box-tc"></div></div></div>',
                          '<div class="x-box-ml"><div class="x-box-mr"><div class="x-box-mc">', s, '</div></div></div>',
                          '<div class="x-box-bl"><div class="x-box-br"><div class="x-box-bc"></div></div></div>',
                          '</div>'].join('');
              }

              var showBox = function(msg, lvl){
                if (!lvl) lvl = 'notice';
                var msgCt = Ext.DomHelper.insertFirst(document.body, {'class':'netzke-feedback'}, true);
                var m = Ext.DomHelper.append(msgCt, {html:createBox(msg,lvl)}, true);
                m.slideIn('t').pause(2).ghost("b", {remove:true});
              }

              if (typeof msg != 'string') {
                Ext.each(msg, function(m){
                  showBox(m.msg, m.level)
                })
              } else {
                showBox(msg)
              }
          	}
          JS
        }
      end
    end
  end
end