ComboTree增加本地模糊查询功能

 //combotree可编辑，自定义模糊查询  
    $.fn.combotree.defaults.editable = true;  
    $.extend($.fn.combotree.defaults.keyHandler,{  
        up:function(){  
            console.log('up');  
        },  
        down:function(){  
            console.log('down');  
        },  
        enter:function(){  
            console.log('enter');  
        },  
        query:function(q){  
            var param = q.split(',');
            q = param[param.length - 1];
            
            var t = $(this).combotree('tree');  
            var nodes = t.tree('getChildren');  
            for(var i=0; i<nodes.length; i++){  
                var node = nodes[i];  
                if (node.text.indexOf(q) >= 0){  
                    $(node.target).show();  
                } else {  
                    $(node.target).hide();  
                }  
            }  
            var opts = $(this).combotree('options');  
            if (!opts.hasSetEvents){  
                opts.hasSetEvents = true;  
                var onShowPanel = opts.onShowPanel;  
                opts.onShowPanel = function(){  
                    var nodes = t.tree('getChildren');  
                    for(var i=0; i<nodes.length; i++){  
                        $(nodes[i].target).show();  
                    }  
                    onShowPanel.call(this);  
                };  
                $(this).combo('options').onShowPanel = opts.onShowPanel;  
            }  
        }  
    });