$.extend($.fn.datagrid.methods, {
    /**
     * 开打提示功能    
     * @param {} jq    
     * @param {} params 提示消息框的样式    
     * @return {}    
     */
    docelltip: function (jq, params) {
        function showtip(showparams, td, e, dg) {
            //无文本，不提示。      
            if ($(td).text() == "") return;

            params = params || {};
            var options = dg.data('datagrid');
            showparams.content = '<div class="tipcontent">' + showparams.content + '</div>';
            $(td).tooltip({
                content: showparams.content,
                trackmouse: true,
                position: params.position,
                onhide: function () {
                    $(this).tooltip('destroy');
                },
                onshow: function () {
                    var tip = $(this).tooltip('tip');
                    if (showparams.tipstyler) {
                        tip.css(showparams.tipstyler);
                    }
                    if (showparams.contentstyler) {
                        tip.find('div.tipcontent').css(showparams.contentstyler);
                    }
                }
            }).tooltip('show');

        };
        return jq.each(function () {
            var grid = $(this);
            var options = $(this).data('datagrid');
            if (!options.tooltip) {
                var panel = grid.datagrid('getpanel').panel('panel');
                panel.find('.datagrid-body').each(function () {
                    var delegateele = $(this).find('> div.datagrid-body-inner').length ? $(this).find('> div.datagrid-body-inner')[0] : this;
                    $(delegateele).undelegate('td', 'mouseover').undelegate('td', 'mouseout').undelegate('td', 'mousemove').delegate('td[field]', {
                        'mouseover': function (e) {
                            //if($(this).attr('field')===undefined) return;      
                            var that = this;
                            var setfield = null;
                            if (params.specialshowfields && params.specialshowfields.sort) {
                                for (var i = 0; i < params.specialshowfields.length; i++) {
                                    if (params.specialshowfields[i].field == $(this).attr('field')) {
                                        setfield = params.specialshowfields[i];
                                    }
                                }
                            }
                            if (setfield == null) {
                                options.factcontent = $(this).find('>div').clone().css({ 'margin-left': '-5000px', 'width': 'auto', 'display': 'inline', 'position': 'absolute' }).appendto('body');
                                var factcontentwidth = options.factcontent.width();
                                params.content = $(this).text();
                                if (params.onlyshowinterrupt) {
                                    if (factcontentwidth > $(this).width()) {
                                        showtip(params, this, e, grid);
                                    }
                                } else {
                                    showtip(params, this, e, grid);
                                }
                            } else {
                                panel.find('.datagrid-body').each(function () {
                                    var trs = $(this).find('tr[datagrid-row-index="' + $(that).parent().attr('datagrid-row-index') + '"]');
                                    trs.each(function () {
                                        var td = $(this).find('> td[field="' + setfield.showfield + '"]');
                                        if (td.length) {
                                            params.content = td.text();
                                        }
                                    });
                                });
                                showtip(params, this, e, grid);
                            }
                        },
                        'mouseout': function (e) {
                            if (options.factcontent) {
                                options.factcontent.remove();
                                options.factcontent = null;
                            }
                        }
                    });
                });
            }
        });
    },
    /**
     * 关闭消息提示功能    
     * @param {} jq    
     * @return {}    
     */
    cancelcelltip: function (jq) {
        return jq.each(function () {
            var data = $(this).data('datagrid');
            if (data.factcontent) {
                data.factcontent.remove();
                data.factcontent = null;
            }
            var panel = $(this).datagrid('getpanel').panel('panel');
            panel.find('.datagrid-body').undelegate('td', 'mouseover').undelegate('td', 'mouseout').undelegate('td', 'mousemove')
        });
    }
});