employeemanagebean.java

HR系统模拟企业对内部职员的管理

/*$Id: EmployeeManageBean.java,v 1.1 2008/07/15 03:38:23 liqi Exp $
 *--------------------------------------
 * Apusic (Kingdee Middleware)
 *---------------------------------------
 * Copyright By Apusic ,All right Reserved
 * author   date   comment
 * chenhongxin  2008-4-14  Created
*/
package org.operamasks.example.ejb.hr.litebean.module;

import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

import javax.faces.model.SelectItem;

import org.operamasks.example.ejb.hr.entity.Department;
import org.operamasks.example.ejb.hr.entity.Employee;
import org.operamasks.example.ejb.hr.entity.Rank;
import org.operamasks.example.ejb.hr.service.ServiceBean;
import org.operamasks.faces.annotation.Accessible;
import org.operamasks.faces.annotation.Action;
import org.operamasks.faces.annotation.Bind;
import org.operamasks.faces.annotation.DataModel;
import org.operamasks.faces.annotation.ManagedBean;
import org.operamasks.faces.annotation.ManagedBeanScope;
import org.operamasks.faces.annotation.ManagedProperty;
import org.operamasks.faces.annotation.Required;
import org.operamasks.faces.annotation.SelectItems;
import org.operamasks.faces.component.grid.impl.UIDataGrid;
import org.operamasks.faces.component.layout.impl.UIWindow;

/**
 * 职员管理页面的托管Bean
 * @author chenhongxin
 */
@ManagedBean(name="module.employeeManageBean", scope=ManagedBeanScope.SESSION)
public class EmployeeManageBean extends BeforeRenderBaseBean {
	
	/**
	 * 操作记录标识
	 */
	private Operation curOperation = Operation.NOTHING;
	
	/**
	 * 注入服务提供Bean，该Bean提供各种的业务操作对象
	 */
	@ManagedProperty("#{serviceBean}")
	private ServiceBean service;

	/**
	 * 绑定明细编辑框里的职员名称输入域，并指定Required验证失败的提示信息
	 */
	@Bind(id="employeeName", attribute="value")
	@Required(message = "#{this.getMessages().get('required')}")
	private String employeeName;
	
	/**
	 * 绑定页面的Window组件
	 */
	@Bind(id="detailDialog", attribute="binding")
	private UIWindow detailDialog;
	
	/**
	 * 绑定页面的DataGrid组件
	 */
	@Bind(id="employeeDataGrid", attribute="binding")
	private UIDataGrid employeeDataGrid;
	
	/**
	 * 职级Combo下拉的子项
	 */
	@Accessible
	private SelectItem[] rankItems = new SelectItem[0];
	
	/**
	 * 绑定职级Combo，指定下拉子项为rankItems和Required验证失败的错误提示
	 */
	@Bind(id="rankCombo")
	@SelectItems(source="#{this.rankItems}")
	@Required(message = "#{this.getMessages().get('required')}")
	private String rankCombo;

	/**
	 * 部门Combo下拉的子项
	 */
	@Accessible
	private SelectItem[] departmentItems = new SelectItem[0];

	/**
	 * 绑定部门Combo，指定下拉子项为departmentItems和Required验证失败的错误提示
	 */
	@Bind(id="departmentCombo")
	@SelectItems(source="#{this.departmentItems}")
	@Required(message = "#{this.getMessages().get('required')}")
	private String departmentCombo;

	/**
	 * DataGrid绑定数据的获取
	 * @return 绑定数据的List集合
	 */
	@DataModel(id="employeeDataGrid")
	private List<Employee> getEmployeeDataGridValues() {
		return service.getEmployeeService().listEmployee();
	}
	
	/**
	 * 初始化RankCombo和DepartmentCombo
	 */
	private void initCombo() {
		List<Rank> ranks = service.getRankService().listRank();
		List<SelectItem> tmpList = new ArrayList<SelectItem>();
		for(Rank rank : ranks) {
			tmpList.add(new SelectItem(rank.getId(), rank.getName()));
		}
		rankItems = tmpList.toArray(new SelectItem[0]);
		
		List<Department> departments = service.getDepartmentService().listDepartment();
		tmpList = new ArrayList<SelectItem>();
		for(Department department : departments) {
			tmpList.add(new SelectItem(department.getId(), department.getName()));
		}
		departmentItems = tmpList.toArray(new SelectItem[0]);
	}
	
	/**
	 * 绑定添加按钮的点击击事件
	 */
	@Action(id="add")
	public void add() {
		initCombo();
		employeeName = "";
		curOperation = Operation.ADD;
		detailDialog.show();
	}
	
	/**
	 * 绑定修改按钮的点击事件
	 */
	@Action(id="modify")
	public void modify() {
		Employee selectedEmployee = (Employee)employeeDataGrid.getSelectedRowData();
		if(selectedEmployee != null) {
			initCombo();
			rankCombo = selectedEmployee.getRank().getId();
			departmentCombo = selectedEmployee.getDepartment().getId();
			employeeName = selectedEmployee.getName();
			curOperation = Operation.MODIFY;
			detailDialog.show();
		}
	}
	
	/**
	 * 绑定删除按钮的点击事件
	 */
	@Action(id="del")
	public void del() {
		Employee selectedEmployee = (Employee)employeeDataGrid.getSelectedRowData();
		if(selectedEmployee != null) {
			service.getEmployeeService().removeEmployee(selectedEmployee);
			employeeDataGrid.reload();
		}
		curOperation = Operation.NOTHING;
	}
	
	/**
	 * 绑定取消按钮的点击事件，使用immediate=true跳过数据验证
	 */
	@Action(id="cancel", immediate=true)
	public void cancel() {
		employeeName = "";
		rankCombo = "";
		departmentCombo = "";
		rankItems = new SelectItem[0];
		departmentItems = new SelectItem[0];
		curOperation = Operation.NOTHING;
		detailDialog.close();
	}

	/**
	 * 绑定确定按钮的点击事件
	 */
	@Action(id="ok")
	public void ok(){
		Rank rank = service.getRankService().findById(rankCombo);
		Department department = service.getDepartmentService().findById(departmentCombo);
		if(rank != null && department != null) {
			if(curOperation == Operation.ADD) {
				Employee newOne = new Employee();
				newOne.setId(UUID.randomUUID().toString());
				newOne.setName(employeeName);
				newOne.setRank(rank);
				newOne.setDepartment(department);
				service.getEmployeeService().createEmployee(newOne);
				//由于是双向一对多关联，所以必须同时更新一的那方
				rank.getEmployees().add(newOne);
				service.getRankService().modifyRank(rank);
				department.getEmployees().add(newOne);
				service.getDepartmentService().modifyDepartment(department);
				employeeDataGrid.reload();
			} else if(curOperation == Operation.MODIFY) {
				Employee selectedEmployee = (Employee)employeeDataGrid.getSelectedRowData();
				if(selectedEmployee != null) {
					selectedEmployee.setName(employeeName);
					selectedEmployee.setRank(rank);
					selectedEmployee.setDepartment(department);
					service.getEmployeeService().modifyEmployee(selectedEmployee);
					employeeDataGrid.reload();
				}
			}
		}
		
		cancel();
	}
}