自定义tree

function YpTreeMenu(ypTreeMenu,treeObj) {
    this.ypTreeMenu=ypTreeMenu;
    this.treeObj=treeObj;
    this.treeId=treeObj.id+"tree";
    this.treeOK=this.treeId+"ok";
    this.treeCLOSE=this.treeId+"close";
    this.treeCheckAll=this.treeId+"checkAll";
    this.treeReverse=this.treeId+"reverse";
    this.treeCancelAll=this.treeId+"CancelAll";
    this.treeReset=this.treeId+"Reset";
    this.tree=null;
    this.init();
}
YpTreeMenu.prototype = {
    init:function(){
            var that=this;
            this.width=this.ypTreeMenu.width||500;
            this.height=this.ypTreeMenu.height||500;
            this.treeStructure=this.ypTreeMenu.treeStructure;
            this.treeUrl=this.ypTreeMenu.treeUrl;
            this.treeIdObj=this.ypTreeMenu.treeIdObj;
            this.treeExtendObjs=this.ypTreeMenu.treeExtendObjs;
            this.treeType=this.ypTreeMenu.treeType||"radio";
            this.disabledLink=this.ypTreeMenu.disabledLink;
            this.lockParent=this.ypTreeMenu.lockParent;
            this.isWarrants=this.ypTreeMenu.isWarrants;
            this.clickParent=this.ypTreeMenu.clickParent;
            $(that.treeObj).unbind().bind('click',function(ev){
                that.show();
            });
    },
    show:function(){
        var that=this;
        var treeDiv=$("#"+that.treeId);
         if(!(treeDiv&&treeDiv.length)){
             var tO=$(that.treeObj);

             var left=tO.offset().left;
             if(that.width+left>$("body").width()){
                 left=left-(that.width-tO.width());
             }
             var top=tO.offset().top+tO.height();
             var createBtn=function(bit){
                 var buttons=[];
                 var aStyle=' display:inline-block; margin: 2px 5px; text-decoration: none; color: #0A5991; font-weight: bold;';
                 if(bit){
                     var style=aStyle+'color:#2F3841;';
                     buttons.push([that.treeCheckAll,"全选",style,function(ev){
                         that.tree.tree.checkAllNodes(true);
                     }]);
                     buttons.push([that.treeCancelAll,"全部取消",style,function(ev){
                         that.tree.tree.checkAllNodes(false);
                     }]);
                     buttons.push([that.treeOK,"确认",style,function(ev){
                            var nodes=that.tree.tree.getCheckedNodes(true);
                            var names=[];
                            var ids=[];
                            if(nodes&&nodes.length){
                                for(var i=0;i<nodes.length;i++){
                                    names.push(that.tree.getName(nodes[i]));
                                    ids.push(that.tree.getId(nodes[i]));
                                }
                            }
                            $(that.treeObj).val(names.join(","));
                            if(that.treeIdObj){
                                $(that.treeIdObj).val(ids.join(","));
                            }
                            if(that.treeExtendObjs){
                                $(treeExtendObjs).val(jyTools.obj2JsonString(nodes));
                            }
                            that.recovery();
                         }]);
                 }
                 buttons.push([that.treeReset,"重置",aStyle+' ',function(ev){
                     $(that.treeObj).val(""); 
                     setNullCss($(that.treeObj),"字段不能为空");
                     $(that.treeIdObj).val("");
                     that.tree.tree.checkAllNodes(false);
                     that.recovery();
                 }]);
                 buttons.push([that.treeCLOSE,"关闭",aStyle+'  ',function(ev){
                     that.recovery();
                 }]);
                 return {
                     getBtnStr:function(){
                         var btnStr=[];
                         var groupBtn=function(btn){
                             return '<a href="javascript:void(0)" id="'+btn[0]+'" style="'+btn[2]+'">'+btn[1]+'</a>'
                         }
                         for(var i=0;i<buttons.length;i++){
                             btnStr.push(groupBtn(buttons[i]));
                         }
                         return btnStr.join("");
                     },
                     addEvent:function(){
                         for(var i=0;i<buttons.length;i++){
                             var btn=buttons[i]
                             $("#"+btn[0]).unbind().bind("click",btn[3]);
                         }
                     }
                 }
             }
             var createTree=function(bit){
                 var h=that.height-25;
                 var btnDiv="";
                 var btnOp=createBtn(bit);
                 btnDiv='<div class="treeBtns">'+btnOp.getBtnStr()+'</div>';
                 var cDiv='<div style="overflow:auto;100%;height:'+h+'px;" id="'+that.treeId+'_"></div>';
                 $("body").append('<div class="ui-widget-content treeMenu" style="left:'+left+'px; top:'+(top+6)+'px;'+that.width+'px;height:'+that.height+'px;" id="'+that.treeId+'">'+cDiv+btnDiv+'</div>');
                 btnOp.addEvent();
             };
             if(that.treeStructure){
                 createTree();
                 that.tree= $("#"+that.treeId).jyTree(that.treeStructure);
                 that.tree.show();
             }else if(that.treeUrl){
                var ownTreeS= {"url":that.treeUrl};
                if(this.treeType=="radio"){
                    createTree();
                    ownTreeS["viewFun"]=function(nodeId,node){
                        if(node.isParent && that.lockParent){
                          that.clickParent();
                        }else if(node.level != 4){
                            that.clickParent();
                        }else{
                            var a=that.tree.getName(node);
                            $(that.treeIdObj).css("border-color","#ff0000")
                            $(that.treeObj).val(a);
                            removeNullCss($(that.treeObj));
                            if(that.treeIdObj){
                                $(that.treeIdObj).val(that.tree.getId(node));
                            }
                            if(that.treeExtendObjs){
                                $(that.treeExtendObjs).val(jyTools.obj2JsonString(node));
                            }
                            if(that.isWarrants){
                                dictDetail();
                            }
                            that.recovery();
                        }

                    };
                }else if(this.treeType="checkbox"){
                    createTree(true);
                    ownTreeS["check"]=true;
                }
                if(this.disabledLink=="true")
                {
                    ownTreeS["disabledLink"]=true;
                }
                that.tree=$("#"+that.treeId+"_").jyTree(ownTreeS);
                that.tree.show();
             }
         }
         $("#"+that.treeId).show();
    },
    recovery:function(){
        var that=this;
        $("#"+this.treeId).remove();
        that=null;
    }
};

(function( $ ){  
  $.fn.ypTreeMenu = function(menuTreeStructure) {
        return new YpTreeMenu(menuTreeStructure,$(this)[0]);
  };
})( jQuery );  

    $(document).ready(function(){
        var URL ="后台url返回List<map> json 串";
        $("input[name='guarTypeName']").ypTreeMenu({"treeUrl":URL,"treeType":"checkbox","treeIdObj":$("input[name='guarType']"), "width":"200","height":"300","disabledLink": true});
        $("input[name='guarTypeName']").attr({ readonly: "readonly"});
    });

    private List<Map<String, String>> treeAreaData(List<AreaDTO> data) {
        if(data!=null && data.size()>0){
            List<Map<String, String>> maps = new ArrayList<Map<String, String>>();
            for(AreaDTO dto: data){
                Map<String, String>  map = new HashMap<String, String>();
                map.put("ID", dto.getAreaCode());
                map.put("NAME", dto.getAreaName());
                map.put("PID", dto.getParentId());
                maps.add(map);
            }
            return maps;
        }else{
            return null;
        }
    }