traindatamanagebean.java

HR系统模拟企业对内部职员的管理

/*$Id: TrainDataManageBean.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.Date;
import java.util.List;
import java.util.UUID;

import javax.faces.model.SelectItem;

import org.operamasks.example.ejb.hr.entity.Employee;
import org.operamasks.example.ejb.hr.entity.Train;
import org.operamasks.example.ejb.hr.entity.TrainSubject;
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;

/**
 * 培训数据管理页面的托管Bean
 * @author chenhongxin
 */
@ManagedBean(name="module.trainDataManageBean", scope=ManagedBeanScope.SESSION)
public class TrainDataManageBean 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;
	
	/**
	 * 绑定页面的DataGrid组件
	 */
	@Bind(id="trainDataGrid", attribute="binding")
	private UIDataGrid trainDataGrid;

	/**
	 * 绑定页面的Window组件
	 */
	@Bind(id="detailDialog", attribute="binding")
	private UIWindow detailDialog;
	
	/**
	 * 职员Combo下拉的子项
	 */
	@Accessible
	private SelectItem[] employeeItems = new SelectItem[0];
	
	/**
	 * 绑定职员Combo，指定下拉子项为employeeItems和Required验证失败的错误提示
	 */
	@Bind(id="employeeCombo")
	@SelectItems(source="#{this.employeeItems}")
	@Required(message = "#{this.getMessages().get('required')}")
	private String employeeCombo;
	
	/**
	 * 培训项目Combo下拉的子项
	 */
	@Accessible
	private SelectItem[] subjectItems = new SelectItem[0];
	
	/**
	 * 绑定培训项目Combo，指定下拉子项为subjectItems和Required验证失败的错误提示
	 */
	@Bind(id="subjectCombo")
	@SelectItems(source="#{this.subjectItems}")
	@Required(message = "#{this.getMessages().get('required')}")
	private String subjectCombo;
	
	/**
	 * 绑定明细编辑框里的培训日期输入域，并指定Required验证失败的提示信息
	 */
	@Bind(id="date", attribute="value")
	@Required(message = "#{this.getMessages().get('required')}")
	private Date date;
	
	/**
	 * 绑定明细编辑框里的培训课时输入域，并指定Required验证失败的提示信息
	 */
	@Bind(id="period", attribute="value")
	@Required(message = "#{this.getMessages().get('required')}")
	private Integer period;
	
	/**
	 * 绑定明细编辑框里的培训学分输入域，并指定Required验证失败的提示信息
	 */
	@Bind(id="credit", attribute="value")
	@Required(message = "#{this.getMessages().get('required')}")
	private Integer credit;
	
	/**
	 * DataGrid绑定数据的获取
	 * @return 绑定数据的List集合
	 */
	@DataModel(id="trainDataGrid")
	private List<Train> getTrainDataGridValues() {
		return service.getTrainService().listTrain();
	}
	
	/**
	 * 初始化EmployeeCombo和SubjectCombo
	 */
	private void initCombo() {
		List<Employee> employees = service.getEmployeeService().listEmployee();
		List<SelectItem> tmpList = new ArrayList<SelectItem>();
		for(Employee employee : employees) {
			tmpList.add(new SelectItem(employee.getId(), employee.getName()));
		}
		employeeItems = tmpList.toArray(new SelectItem[0]);
		
		List<TrainSubject> subjects = service.getTrainSubjectService().listTrainSubject();
		tmpList = new ArrayList<SelectItem>();
		for(TrainSubject subject : subjects) {
			tmpList.add(new SelectItem(subject.getId(), subject.getName()));
		}
		subjectItems = tmpList.toArray(new SelectItem[0]);
	}
	
	/**
	 * 绑定添加按钮的点击击事件
	 */
	@Action(id="add")
	public void add() {
		initCombo();
		curOperation = Operation.ADD;
		detailDialog.show();
	}
	
	/**
	 * 绑定修改按钮的点击事件
	 */
	@Action(id="modify")
	public void modify() {
		Train selectedTrain = (Train)trainDataGrid.getSelectedRowData();
		if(selectedTrain != null) {
			initCombo();
			employeeCombo = selectedTrain.getEmployee().getId();
			subjectCombo = selectedTrain.getTrainSubject().getId();
			date = selectedTrain.getDate();
			period = selectedTrain.getPeriod();
			credit = selectedTrain.getCredit();
			curOperation = Operation.MODIFY;
			detailDialog.show();
		}
	}
	
	/**
	 * 绑定删除按钮的点击事件
	 */
	@Action(id="del")
	public void del() {
		Train selectedTrain = (Train)trainDataGrid.getSelectedRowData();
		if(selectedTrain != null) {
			service.getTrainService().removeTrain(selectedTrain);
			trainDataGrid.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() {
		date = null;
		period = null;
		credit = null;
		employeeCombo = "";
		subjectCombo = "";
		employeeItems = new SelectItem[0];
		subjectItems = 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(){
		Employee employee = service.getEmployeeService().findById(employeeCombo);
		TrainSubject subject = service.getTrainSubjectService().findById(subjectCombo);
		if(employee != null && subject != null) {
			if(curOperation == Operation.ADD) {
				Train newOne = new Train();
				newOne.setId(UUID.randomUUID().toString());
				newOne.setEmployee(employee);
				newOne.setCredit(credit);
				newOne.setDate(date);
				newOne.setPeriod(period);
				newOne.setTrainSubject(subject);
				service.getTrainService().createTrain(newOne);
				trainDataGrid.reload();
			} else if(curOperation == Operation.MODIFY) {
				Train selectedTrain = (Train)trainDataGrid.getSelectedRowData();
				if(selectedTrain != null) {
					selectedTrain.setEmployee(employee);
					selectedTrain.setCredit(credit);
					selectedTrain.setDate(date);
					selectedTrain.setPeriod(period);
					selectedTrain.setTrainSubject(subject);
					service.getTrainService().modifyTrain(selectedTrain);
					trainDataGrid.reload();
				}
			}
		}
		
		cancel();
	}
}