package com.oa.action;

import java.util.List;

import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import com.oa.base.BaseAction;
import com.oa.domain.Department;
import com.oa.utils.DepartmentUtils;
import com.opensymphony.xwork2.ActionContext;
@Controller
@Scope("prototype")
public class DepartmentAction extends BaseAction<Department>{
	private static final long serialVersionUID = 1L;
	private Long parentId;
	public Long getParentId() {
		return parentId;
	}
	public void setParentId(Long parentId) {
		this.parentId = parentId;
	}
	/**
	 * 列表功能
	 * @return
	 * @throws Exception
	 */
	public String list() throws Exception{
		List<Department> departmentList = null;
		
//		 列表显示，根据parentId判断显示的是哪层的部门
		 
		if (parentId == null) {//顶级部门
			departmentList = departmentService.findTopList();
		} else {//子部门列表
			departmentList = departmentService.findChildrenList(parentId);
			
			Department parent = departmentService.findById(parentId);
			ActionContext.getContext().put("parent", parent);
		}
		ActionContext.getContext().put("departmentList", departmentList);
		return "list";
	}
	/**
	 * 删除功能
	 * @return
	 * @throws Exception
	 */
	public String delete() throws Exception{
		departmentService.remove(model.getId());
		return "toList";
	} 
	/**
	 * 添加页面
	 * @return
	 * @throws Exception
	 */
	public String addUI() throws Exception{
		//准备数据，departmentList  准备上级部门数据
		List<Department> topList = departmentService.findTopList();
		List<Department> departmentList = DepartmentUtils.getAllDepartments(topList);
		ActionContext.getContext().put("departmentList", departmentList);
		
		return "saveUI";
	}
	/**
	 * 添加功能
	 * @return
	 * @throws Exception
	 */
	public String add() throws Exception{
		//封装信息到对象中   上级部门信息
		Department parent = departmentService.findById(parentId);
		model.setParent(parent);
		
		//保存
		departmentService.save(model);
		return "toList";
	}
	/**
	 * 修改页面
	 * @return
	 * @throws Exception
	 */
	public String updateUI() throws Exception{
		//准备数据，departmentList  准备上级部门数据
		List<Department> topList = departmentService.findTopList();
		List<Department> departmentList = DepartmentUtils.getAllDepartments(topList);
		ActionContext.getContext().put("departmentList", departmentList);
		//准备回显的数据
		Department department = departmentService.findById(model.getId());
		ActionContext.getContext().getValueStack().push(department);
		
		if (department.getParent() != null) {
			parentId = department.getParent().getId();
		}
		return "saveUI";
	}
	/**
	 * 修改功能
	 * @return
	 * @throws Exception
	 */
	public String update() throws Exception{
		//从数据库中查询出原来的数据
		Department department = departmentService.findById(model.getId());
		//设置要更改的属性
		department.setName(model.getName());
		department.setDescription(model.getDescription());
		//设置所属的上级部门
		department.setParent(departmentService.findById(parentId));
		//将更改后的对象数据存储到数据库中
		departmentService.modify(department);
		return "toList";
	}
}