javaFX笔记----ComboBox模仿qq账号下拉框删除账号

    mycombobox.setcellfactory(
        new callback<listview<string>, listcell<string>>() {

            @override
            public listcell<string> call(listview<string> param) {
                // todo auto-generated method stub
                final listcell<string> cell=new listcell<string>(){
                    public void updateitem(string item, boolean empty) {
                           super.updateitem(item, empty);
                            this.settext(null);
                            this.setgraphic(null);
                            if (!empty) {
                                button b=new button("x");
                                this.setgraphic(b);
                                this.settext(item);
                                 b.setonmousereleased(new eventhandler<event>() {

                                    @override
                                    public void handle(event event) {
                                        // todo auto-generated method stub
                                        system.out.println(mycombobox.getitems().remove(item));
                                        system.out.println("i:"+item);
                                    }

                            
                                });
                            }
                    }
                };
                return cell;
            }
                    
    });

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