是否可以向悬停时的SmartGWT listGrid单元格添加工具提示？

是否可以向悬停时的SmartGWT listGrid单元格添加工具提示
如果可能的话怎么办
我无法使用任何方法将工具提示直接添加到悬停单元格中，
有人能帮我吗？

ListGridField governmentField=new ListGridField（“政府”、“政府”，120）；
ListGridField governmentField = new ListGridField("government", "Government", 120);
    governmentField.setShowHover(true);
    governmentField.setHoverCustomizer(new HoverCustomizer() {
        public String hoverHTML(Object value, ListGridRecord record, int rowNum, int colNum) {
            CountryRecord countryRecord = (CountryRecord) record;
            int governmentDesc = countryRecord.getGovernmentDesc();
            String[] governmentDescription = new String[]{
              "<b>Communism</b> - a system of government in which the state plans and controls the economy and a single - often authoritarian - party holds power; state controls are imposed with the elimination of private ownership of property or capital while claiming to make progress toward a higher social order in which all goods are equally shared by the people (i.e., a classless society).",
              "<b>Constitutional monarchy</b> - a system of government in which a monarch is guided by a constitution whereby his/her rights, duties, and responsibilities are spelled out in written law or by custom.",
              "<b>Federal republic</b> - a state in which the powers of the central government are restricted and in which the component parts (states, colonies, or provinces) retain a degree of self-government; ultimate sovereign power rests with the voters who chose their governmental representatives.",
              "<b>Federal (Federative)</b> - a form of government in which sovereign power is formally divided - usually by means of a constitution - between a central authority and a number of constituent regions (states, colonies, or provinces) so that each region retains some management of its internal affairs; differs from a confederacy in that the central government exerts influence directly upon both individuals as well as upon the regional units.",
              "<b>Parliamentary monarchy</b> - a state headed by a monarch who is not actively involved in policy formation or implementation (i.e., the exercise of sovereign powers by a monarch in a ceremonial capacity); true governmental leadership is carried out by a cabinet and its head - a prime minister, premier, or chancellor - who are drawn from a legislature (parliament).",
              "<b>Republic</b> - a representative democracy in which the people's elected deputies (representatives), not the people themselves, vote on legislation."
      };
            return governmentDescription[governmentDesc];
        }
    });

governmentField.setShowHover（true）；
governmentField.setHoverCustomizer（新的HoverCustomizer（）{
公共字符串hoverHTML（对象值、ListGridRecord记录、int rowNum、int colNum）{
CountryRecord CountryRecord=（CountryRecord）记录；
int governmentDesc=countryRecord.getGovernmentDesc（）；
字符串[]政府描述=新字符串[]{
“共产主义——一种由国家计划和控制经济，由一个单一的——通常是极权的——政党掌权的政府制度；国家控制是通过消除私有财产或资本，同时声称向更高的社会秩序迈进，在这种社会秩序中，所有商品都由人民平等分享（即无阶级社会）。”，
“君主立宪制——君主受宪法指导的一种政府制度，其权利、义务和责任在成文法或惯例中明确规定。”，
“联邦共和国——一个中央政府权力受到限制的国家，其组成部分（州、殖民地或省）保留一定程度的自治；最终主权属于选择其政府代表的选民。”，
“联邦制（Federative）——一种政府形式，通常通过宪法在中央当局和若干组成地区（州、殖民地或省）之间正式划分主权权力使每个地区保留对其内部事务的某种管理；与邦联不同的是，中央政府直接对个人和地区单位施加影响。”，
“议会君主制——由不积极参与政策制定或执行（即君主以礼仪身份行使主权权力）的君主领导的国家；真正的政府领导由内阁及其领导人——总理、总理或总理——从立法机构中抽调而来（议会）。“，
“共和国——由人民选出的代表（代表）而不是人民自己对立法进行投票的代议制民主。”
};
返回governmentDescription[governmentDesc]；
}
});

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