ZK 多个下拉菜单动态级联绑定对象

ZK学习博客http://minjiechenjava.iteye.com/category/110729

 

//前台页面的zul文件

=======================================================================================

userxml
<?xml version="1.0" encoding="utf-8"?>
<?page id="userPage"?>
<?xel-method prefix="c" name="hasPermission"
class="com.linktel.linkFax.web.zk.util.AuthorityTools"
signature="com.linktel.linkFax.web.zk.util.AuthorityTools  hasPermission(java.lang.String)"?>
<?init class="org.zkoss.zkplus.databind.AnnotateDataBinderInit" root="./userWin"?>
<window id="userWin" width="100%"
 use="com.linktel.linkFax.web.zk.controller.UserController" xmlns:h="http://www.w3.org/1999/xhtml"
 xmlns:n="http://www.zkoss.org/2005/zk/native" xmlns="http://www.zkoss.org/2005/zul"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://www.zkoss.org/2005/zul http://www.zkoss.org/2005/zul/zul.xsd">
       <listbox id="userLbx"    model="@{userWin.userList}"
                    selectedItem="@{userWin.user}"  onSelect="showUserEdit();"
                    fixedLayout="true"  paginal="@{pagingUser}" >    
           <listhead>
                <listheader label="用户名" align="center"></listheader>
                <listheader label="手机号" align="center"></listheader>
                <listheader label="分机号" align="center"></listheader>
                <listheader label="职位" align="center"></listheader>
                <listheader label="传真" align="center"></listheader>
                <listheader label="启用状态" align="center"></listheader>
            </listhead>
            <listitem self="@{each=user}">
                <listcell label="@{user.username}"></listcell>
                <listcell label="@{user.phone}"></listcell>
                <listcell label="@{user.exten}"></listcell>
                <listcell label="@{user.position}"></listcell>
                <listcell label="@{user.fax}"></listcell>
                <listcell label="@{user.enabled,converter='com.linktel.linkFax.web.zk.converter.DataConverter'}"></listcell>
             </listitem>
        </listbox>
        <paging id="pagingUser" pageSize="3"></paging>
        <label value="公司名称:"></label>
        <combobox id="cbxCom" model="@{userWin.companyList}">
                       <comboitem self="@{each=companyEdit}" 
                                           label="@{companyEdit.name}"
                                           value="@{companyEdit.id}">
                       </comboitem>
         </combobox>
         <label value="部门名称:"></label>
         <combobox id="cbxDep" model="@{userWin.deptList}"
                                                 selectedItem="@{userWin.deptEdit}">
                      <comboitem self="@{each=deptEdit}"
                                           label="@{deptEdit.name}"
                                           value="@{deptEdit.id}">
                     </comboitem>
          </combobox>
</window>

=======================================================================================

Java代码

//后台绑定Controller类 下面有详细的注释
publicclass UserController extends Window implements AfterCompose {
protected AnnotateDataBinder binder;
 private User user = new User();
 private User u = new User();
 private Chinaregion province = new Chinaregion();
 private Chinaregion city = new Chinaregion();
 private Chinaregion district = new Chinaregion();
 private Role role = new Role();
 private Company company = new Company();
 protected Dept dept = new Dept();
 private Company companyEdit = new Company();
 private Dept deptEdit = new Dept();
 private Combobox cbxCompany;
 protected Listbox userLbx;
 protected Paging pagingUser;
 protected Combobox cbxProvince;
 protected Combobox cbxCity;
 protected Combobox cbxDistrict;
 private Combobox cbxDept;
 private Combobox cbxCom;
 private Combobox cbxDep;
 private List<Company> companyList;
 private List<User> userList;
 private List<Dept> deptList;
 private List<Role> roleList;
 private List<Chinaregion> provinceList;
 private List<Chinaregion> cityList;
 private List<Chinaregion> districtList;
 public Dept getDeptEdit() {
 return deptEdit;
 }
 publicvoid setDeptEdit(Dept deptEdit) {
 this.deptEdit = deptEdit;
 }
 public Dept getDept() {
 return dept;
 }
 public Chinaregion getDistrict() {
 return district;
 }
 publicvoid setDistrict(Chinaregion district) {
 this.district = district;
 }
 public Chinaregion getProvince() {
 return province;
 }
 public Chinaregion getCity() {
 return city;
 }
 publicvoid setCity(Chinaregion city) {
 this.city = city;
 }
 publicvoid setProvince(Chinaregion province) {
 this.province = province;
 }
 public Role getRole() {
 return role;
 }
 publicvoid setRole(Role role) {
 this.role = role;
 }
 publicvoid setDept(Dept dept) {
 this.dept = dept;
 }
 public List<Chinaregion> getProvinceList() {
 return provinceList;
 }
 publicvoid setProvinceList(List<Chinaregion> provinceList) {
 this.provinceList = provinceList;
 }
 public List<Chinaregion> getCityList() {
 return cityList;
 }
 publicvoid setCityList(List<Chinaregion> cityList) {
 this.cityList = cityList;
 }
 public List<Chinaregion> getDistrictList() {
 return districtList;
 }
 publicvoid setDistrictList(List<Chinaregion> districtList) {
 this.districtList = districtList;
 }
 public List<Role> getRoleList() {
 return roleList;
 }
 publicvoid setRoleList(List<Role> roleList) {
 this.roleList = roleList;
 }
 public Company getCompany() {
 return company;
 }
 publicvoid setCompany(Company company) {
 this.company = company;
 }
 public User getU() {
 return u;
 }
 publicvoid setU(User u) {
 this.u = u;
 }
 public List<Dept> getDeptList() {
 return deptList;
 }
 publicvoid setDeptList(List<Dept> deptList) {
 }
 public List<Company> getCompanyList() {
 return companyList;
 }
 publicvoid setCompanyList(List<Company> companyList) {
 this.companyList = companyList;
 }
 public User getUser() {
 return user;
 }
 public List<User> getUserList() {
 return userList;
 }
 publicvoid setUserList(List<User> userList) {
 this.userList = userList;
 }
 publicvoid setUser(User user) {
 this.user = user;
 }
 public Company getCompanyEdit() {
 return companyEdit;
 }
 publicvoid setCompanyEdit(Company companyEdit) {
 this.companyEdit = companyEdit;
 }
 /**
 * 组件创建时初始化的事件监听器
 */
 publicvoid init() {
 // UserService service= (UserService) SpringUtil.getBean("userService");
 // int count =service.countUser();
 // pagingUser.setTotalSize(count);
 pagingUser.addEventListener(ZulEvents.ON_PAGING,
 new UserPagingEventListener());
 userLbx.addEventListener(Events.ON_SELECT,
 new UserSelectedEventListener());
 cbxProvince.addEventListener(Events.ON_SELECT,
 new ProvinceSelectedEventListener());
 cbxCity.addEventListener(Events.ON_SELECT,
 new CitySelectedEventListener());
 cbxCom.addEventListener(Events.ON_SELECT,
 new EditCompanySelectedEventListener());
 if (judgeCompontent(cbxCompany)) {
 cbxCompany.addEventListener(Events.ON_SELECT,
 new CompanySelectedEventListener());
 }
 }
 /**
 * 初始化所属公司下的部门列表
 *
 * @param company
 */
 publicvoid initDept(Company company) {
 DeptService service = (DeptService) SpringUtil.getBean("deptService");
 deptList = service.getDeptsByCoId(company);
 binder.loadComponent(cbxDep);
 }
 /**
 * 初始化公司列表
 */
 publicvoid initCompany() {
  CompanyService service = (CompanyService) SpringUtil .getBean("companyService");
companyList = service.getCompanyAll();
}

 /**
 * 动态绑定变量值
 */
 @Override
 publicvoid afterCompose() {
 Components.wireVariables(this, this);
 Components.addForwards(this, this);
 initiaData();
 }

 

 class UserSelectedEventListener implements EventListener {
 @SuppressWarnings("unchecked")
 publicvoid onEvent(Event event) throws Exception {
 String cId = user.getCoid();
 // 获取Combobox组件中的Comboitem所有的子项集合
 List<Comboitem> comsItems = cbxCom.getChildren();
 // 使用List接口的迭代器，迭代每个Comboitem对象
 Iterator<Comboitem> comsIt = comsItems.iterator();
 // 是否有下个对象
 while (comsIt.hasNext()) {
 // 迭代对象转换成Comboitem对象
 Comboitem item = comsIt.next();
 // 判断item中的值是否相等，如果相等
 if (StringUtils.equals((String) item.getValue(), cId)) {
 // 如果相等 绑定并且选中该对象
 cbxCom.setSelectedItemApi(item);
 // 把该事件放入时间列队的末尾，在所有事件都处理完 之后，将会立即处理该事件
 Events.postEvent(Events.ON_SELECT, cbxCom, null);
 // 初始化部门对象
 Company c = new Company();
 c.setId(cId);
 initDept(c);
 break;
 }
 }
 }
 }

 

 class EditCompanySelectedEventListener implements EventListener {
 publicvoid onEvent(Event event) throws Exception {
 if (deptList == null || deptList.isEmpty())
 return;
 // 循环迭代Dept集合对象
 for (Iterator<Dept> it = deptList.iterator(); it.hasNext();) {
 Dept each = it.next();
 if (StringUtils.equals(user.getDeptid(), each.getId())) {
 deptEdit = each;// 赋值给cbxDep绑定的对象；
 // 重新绑定对象
 binder.loadComponent(cbxDep);
 return;
 }
 }
 }
 }