UE.parse.register("list", function(utils) {
  var customCss = [],
    customStyle = {
      cn: "cn-1-",
      cn1: "cn-2-",
      cn2: "cn-3-",
      num: "num-1-",
      num1: "num-2-",
      num2: "num-3-",
      dash: "dash",
      dot: "dot"
    };

  utils.extend(this, {
    liiconpath: "http://bs.baidu.com/listicon/",
    listDefaultPaddingLeft: "20"
  });

  var root = this.root,
    ols = root.getElementsByTagName("ol"),
    uls = root.getElementsByTagName("ul"),
    selector = this.selector;

  if (ols.length) {
    applyStyle.call(this, ols);
  }

  if (uls.length) {
    applyStyle.call(this, uls);
  }

  if (ols.length || uls.length) {
    customCss.push(selector + " .list-paddingleft-1{padding-left:0}");
    customCss.push(
      selector +
        " .list-paddingleft-2{padding-left:" +
        this.listDefaultPaddingLeft +
        "px}"
    );
    customCss.push(
      selector +
        " .list-paddingleft-3{padding-left:" +
        this.listDefaultPaddingLeft * 2 +
        "px}"
    );

    utils.cssRule(
      "list",
      selector +
        " ol," +
        selector +
        " ul{margin:0;padding:0;}\n" +
        selector +
        " li{clear:both;}\n" +
        customCss.join("\n"),
      document
    );
  }
  function applyStyle(nodes) {
    var T = this;
    utils.each(nodes, function(list) {
      if (list.className && /custom_/i.test(list.className)) {
        var listStyle = list.className.match(/custom_(\w+)/)[1];
        if (listStyle == "dash" || listStyle == "dot") {
          utils.pushItem(
            customCss,
            selector +
              " li.list-" +
              customStyle[listStyle] +
              "{background-image:url(" +
              T.liiconpath +
              customStyle[listStyle] +
              ".gif)}"
          );
          utils.pushItem(
            customCss,
            selector +
              " ul.custom_" +
              listStyle +
              "{list-style:none;} " +
              selector +
              " ul.custom_" +
              listStyle +
              " li{background-position:0 3px;background-repeat:no-repeat}"
          );
        } else {
          var index = 1;
          utils.each(list.childNodes, function(li) {
            if (li.tagName == "LI") {
              utils.pushItem(
                customCss,
                selector +
                  " li.list-" +
                  customStyle[listStyle] +
                  index +
                  "{background-image:url(" +
                  T.liiconpath +
                  "list-" +
                  customStyle[listStyle] +
                  index +
                  ".gif)}"
              );
              index++;
            }
          });
          utils.pushItem(
            customCss,
            selector +
              " ol.custom_" +
              listStyle +
              "{list-style:none;}" +
              selector +
              " ol.custom_" +
              listStyle +
              " li{background-position:0 3px;background-repeat:no-repeat}"
          );
        }
        switch (listStyle) {
          case "cn":
            utils.pushItem(
              customCss,
              selector +
                " li.list-" +
                listStyle +
                "-paddingleft-1{padding-left:25px}"
            );
            utils.pushItem(
              customCss,
              selector +
                " li.list-" +
                listStyle +
                "-paddingleft-2{padding-left:40px}"
            );
            utils.pushItem(
              customCss,
              selector +
                " li.list-" +
                listStyle +
                "-paddingleft-3{padding-left:55px}"
            );
            break;
          case "cn1":
            utils.pushItem(
              customCss,
              selector +
                " li.list-" +
                listStyle +
                "-paddingleft-1{padding-left:30px}"
            );
            utils.pushItem(
              customCss,
              selector +
                " li.list-" +
                listStyle +
                "-paddingleft-2{padding-left:40px}"
            );
            utils.pushItem(
              customCss,
              selector +
                " li.list-" +
                listStyle +
                "-paddingleft-3{padding-left:55px}"
            );
            break;
          case "cn2":
            utils.pushItem(
              customCss,
              selector +
                " li.list-" +
                listStyle +
                "-paddingleft-1{padding-left:40px}"
            );
            utils.pushItem(
              customCss,
              selector +
                " li.list-" +
                listStyle +
                "-paddingleft-2{padding-left:55px}"
            );
            utils.pushItem(
              customCss,
              selector +
                " li.list-" +
                listStyle +
                "-paddingleft-3{padding-left:68px}"
            );
            break;
          case "num":
          case "num1":
            utils.pushItem(
              customCss,
              selector +
                " li.list-" +
                listStyle +
                "-paddingleft-1{padding-left:25px}"
            );
            break;
          case "num2":
            utils.pushItem(
              customCss,
              selector +
                " li.list-" +
                listStyle +
                "-paddingleft-1{padding-left:35px}"
            );
            utils.pushItem(
              customCss,
              selector +
                " li.list-" +
                listStyle +
                "-paddingleft-2{padding-left:40px}"
            );
            break;
          case "dash":
            utils.pushItem(
              customCss,
              selector +
                " li.list-" +
                listStyle +
                "-paddingleft{padding-left:35px}"
            );
            break;
          case "dot":
            utils.pushItem(
              customCss,
              selector +
                " li.list-" +
                listStyle +
                "-paddingleft{padding-left:20px}"
            );
        }
      }
    });
  }
});