package com.google.code.lightssh.project.workflow.web;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.Resource;
import org.activiti.engine.form.FormProperty;
import org.activiti.engine.form.TaskFormData;
import org.activiti.engine.history.HistoricDetail;
import org.activiti.engine.task.Task;
import org.apache.commons.lang3.StringUtils;
import org.apache.struts2.json.annotations.JSON;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import com.google.code.lightssh.common.model.Result;
import com.google.code.lightssh.common.model.page.ListPage;
import com.google.code.lightssh.project.web.action.GenericAction;
import com.google.code.lightssh.project.workflow.model.MyTask;
import com.google.code.lightssh.project.workflow.service.WorkflowManager;
/**
*
* @author Aspen
* @date 2013-8-15
*
*/
@SuppressWarnings("rawtypes")
@Component( "workflowTaskAction" )
@Scope("prototype")
public class WorkflowTaskAction extends GenericAction{
private static final long serialVersionUID = 394568619904313580L;
private MyTask task;
private ListPage<Task> taskPage;
private String taskId;
private Integer count = 0;
private Result result;
@Resource(name="workflowManager")
private WorkflowManager workflowManager;
private List<String> users;
public ListPage<Task> getTaskPage() {
return taskPage;
}
public void setTaskPage(ListPage<Task> taskPage) {
this.taskPage = taskPage;
}
public String getTaskId() {
return taskId;
}
public void setTaskId(String taskId) {
this.taskId = taskId;
}
public MyTask getTask() {
return task;
}
public void setTask(MyTask task) {
this.task = task;
}
@JSON(name="count")
public Integer getCount() {
return count;
}
public void setCount(Integer count) {
this.count = count;
}
@JSON(name="result")
public Result getResult() {
return result;
}
public void setResult(Result result) {
this.result = result;
}
public List<String> getUsers() {
return users;
}
public void setUsers(List<String> users) {
this.users = users;
}
/**
* 所有待办任务
*/
public String list(){
taskPage = workflowManager.listTask(task,taskPage);
return SUCCESS;
}
/**
* 我的待办任务
*/
public String myTodoList(){
if( task == null )
task = new MyTask();
task.setAssignee( getLoginUser() ); //登录用户
taskPage = workflowManager.listTask(task,taskPage);
return SUCCESS;
}
/**
* 我的待办任务数
*/
public String myTodoCount(){
if( task == null )
task = new MyTask();
task.setAssignee( getLoginUser() ); //登录用户
if( taskPage == null )
taskPage = new ListPage<Task>();
taskPage.setSize(0);
try{
taskPage = workflowManager.listTask(task,taskPage);
this.count = taskPage.getAllSize();
}catch( Exception e ){
}
return SUCCESS;
}
/**
* 我的待签任务
*/
public String myAssignList(){
if( task == null )
task = new MyTask();
task.setCandidateUser( getLoginUser() ); //当前登录用户
taskPage = workflowManager.listTask(task,taskPage);
return SUCCESS;
}
/**
* 认领流程
*/
public String claim( ){
if( getLoginUser() == null )
return LOGIN;
try{
workflowManager.claim( taskId ,getLoginUser() );
this.saveSuccessMessage("成功签收流程！");
}catch( Exception e ){
this.saveErrorMessage( e.getMessage() );
}
return SUCCESS;
}
/**
* 代办认领人
*/
public String proxyClaim( ){
try{
String userId = request.getParameter("userId");
workflowManager.changeAssignee(taskId ,userId);
}catch( Exception e ){
this.saveErrorMessage( e.getMessage() );
}
return SUCCESS;
}
/**
* 添加会签人
*/
public String multiClaim( ){
try{
//String userId = request.getParameter("userId");
List<String> users = new ArrayList<String>(); //TODO
users.add("Aspen");
workflowManager.addAssignee(taskId ,users);
}catch( Exception e ){
this.saveErrorMessage( e.getMessage() );
}
return SUCCESS;
}
/**
* 预做任务
*/
public String prepare( ){
if( getLoginUser() == null )
return LOGIN;
if( StringUtils.isEmpty(taskId) ){
this.saveErrorMessage("任务号为空！");
return INPUT;
}
Task task = workflowManager.getTask(taskId);
if( task == null ){
this.saveErrorMessage("流程任务["+taskId+"]不存在！");
return INPUT;
}
if( !getLoginUser().equals( task.getAssignee() ) ){
this.saveErrorMessage("当前用户不是任务签收人["
+task.getAssignee()+"],不允许操作!");
return INPUT;
}
request.setAttribute("procInstId",task.getProcessInstanceId() );
request.setAttribute("task",task );
return SUCCESS;
}
/**
* 渲染表单
*/
public String render( ){
TaskFormData data = (TaskFormData)request.getAttribute("task_form_data");
if( data == null )
return ERROR;
List<HistoricDetail> historicTasks = workflowManager.listHistoricDetail(taskId);
if( historicTasks != null ){
request.setAttribute("history_task_form_data",historicTasks);
}
return SUCCESS;
}
/**
* 提交表单数据
*/
public String submit( ){
TaskFormData data = workflowManager.getTaskFormData(taskId);
if( data != null && data.getFormProperties() != null ){
Map<String,String> properties = new HashMap<String,String>();
for(FormProperty item: data.getFormProperties() )
properties.put(item.getId(),request.getParameter(item.getId()));
//workflowManager.submitFormData(taskId,properties);
}
return complete();
}
/**
* 查看任务
* TODO
*/
public String view( ){
return SUCCESS;
}
/**
* 完成流程
*/
public String complete( ){
if( this.getLoginAccount() == null )
return LOGIN;
if( task == null || task.getId() == null ){
this.saveErrorMessage("参数为空！");
return INPUT;
}
//TODO 检查提交流程是否与assignee相同
try{
workflowManager.complete(task,getLoginUser());
}catch( Exception e ){
this.saveErrorMessage( e.getMessage() );
}
return SUCCESS;
}
/**
* 回退流程
*/
public String undo( ){
if( task == null || StringUtils.isEmpty(task.getProcessInstanceId())){
this.saveErrorMessage("参数错误:流程实例ID不能为空!");
return INPUT;
}
try{
this.workflowManager.undoTask(task.getProcessInstanceId(),getLoginUser());
this.saveSuccessMessage("流程回退成功！");
}catch( Exception e ){
this.saveErrorMessage("流程回退异常:"+e.getMessage());
return INPUT;
}
return SUCCESS;
}
/**
* 会签
*/
public String countersign( ){
this.result = new Result();
if( StringUtils.isEmpty(taskId)){
result.setStatus(false);
result.setMessage("参数错误:任务ID不能为空!");
return SUCCESS;
}
if( users == null || users.isEmpty() ){
result.setStatus(false);
result.setMessage("参数错误:会签用户不能为空!");
return SUCCESS;
}
try{
this.workflowManager.countersignTask( getLoginUser(),taskId, users.toArray(new String[]{}));
//this.saveSuccessMessage("流程会签成功！");
result.setStatus(true);
result.setMessage("流程会签成功！");
}catch( Exception e ){
//this.saveErrorMessage("流程会签异常:"+e.getMessage());
//return INPUT;
result.setStatus(false);
result.setMessage("流程会签异常:"+e.getMessage());
}
return SUCCESS;
}
}