package org.g4studio.system.admin.web.tag;
import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.g4studio.common.dao.Dao;
import org.g4studio.common.util.SpringBeanLoader;
import org.g4studio.common.util.WebUtils;
import org.g4studio.core.metatype.Dto;
import org.g4studio.core.metatype.impl.BaseDto;
import org.g4studio.core.tplengine.DefaultTemplate;
import org.g4studio.core.tplengine.FileTemplate;
import org.g4studio.core.tplengine.TemplateEngine;
import org.g4studio.core.tplengine.TemplateEngineFactory;
import org.g4studio.core.tplengine.TemplateType;
import org.g4studio.core.util.G4Constants;
import org.g4studio.core.web.taglib.util.TagHelper;
import org.g4studio.system.admin.web.tag.vo.MenuVo;
import org.g4studio.system.common.util.SystemConstants;
/**
* ArmSelectMenuTreeTag标签:G4Studio_ARM专用
* @author XiongChun
* @since 2010-05-12
*/
public class ArmSelectMenuTreeTag extends TagSupport {
private static Log log = LogFactory.getLog(ArmSelectMenuTreeTag.class);
/**
* 标签开始
*/
public int doStartTag() throws JspException{
Dao g4Dao = (Dao)SpringBeanLoader.getSpringBean("g4Dao");
HttpServletRequest request = (HttpServletRequest)this.pageContext.getRequest();
Dto grantDto = new BaseDto();
grantDto.put("userid", request.getParameter("userid"));
grantDto.put("authorizelevel", SystemConstants.AUTHORIZELEVEL_ACCESS);
List grantedList = g4Dao.queryForList("ArmTagSupport.queryGrantedMenusByUserId", grantDto);
List menuList = new ArrayList();
String account = WebUtils.getSessionContainer(request).getUserInfo().getAccount();
String developerAccount = WebUtils.getParamValue("DEFAULT_DEVELOP_ACCOUNT", request);
String superAccount = WebUtils.getParamValue("DEFAULT_ADMIN_ACCOUNT", request);
Dto qDto = new BaseDto();
String userid = WebUtils.getSessionContainer(request).getUserInfo().getUserid();
qDto.put("userid", userid);
String userType = request.getParameter("usertype");
if (userType.equals(SystemConstants.USERTYPE_ADMIN)) {
qDto.put("menutype", SystemConstants.MENUTYPE_SYSTEM);
}
if (account.equalsIgnoreCase(developerAccount) || account.equalsIgnoreCase(superAccount)) {
menuList = g4Dao.queryForList("ArmTagSupport.queryMenusForUserGrant", qDto);
}else {
menuList = g4Dao.queryForList("ArmTagSupport.queryMenusForGrant", qDto);
}
for(int i = 0; i < menuList.size(); i++){
MenuVo menuVo = (MenuVo)menuList.get(i);
if(checkGeant(grantedList, menuVo.getMenuid()).booleanValue()){
menuVo.setChecked("true");
}else {
menuVo.setChecked("false");
}
if(menuVo.getParentid().equals("0")){
menuVo.setIsRoot("true");
}
if(menuVo.getMenuid().length() < 6){
menuVo.setExpanded("true");
}
}
Dto dto = new BaseDto();
dto.put("menuList", menuList);
TemplateEngine engine = TemplateEngineFactory.getTemplateEngine(TemplateType.VELOCITY);
DefaultTemplate template = new FileTemplate();
template.setTemplateResource(TagHelper.getTemplatePath(getClass().getName()));
StringWriter writer = engine.mergeTemplate(template, dto);
try {
pageContext.getOut().write(writer.toString());
} catch (IOException e) {
log.error(G4Constants.Exception_Head + e.getMessage());
e.printStackTrace();
}
return super.SKIP_BODY;
}
/**
* 检查授权
* @param grantList
* @param pMenuid
* @return
*/
private Boolean checkGeant(List grantList, String pMenuid){
Boolean result = new Boolean(false);
for(int i = 0; i < grantList.size(); i++){
Dto dto = (BaseDto)grantList.get(i);
if(pMenuid.equals(dto.getAsString("menuid"))){
result = new Boolean(true);
}
}
return result;
}
/**
* 标签结束
*/
public int doEndTag() throws JspException{
return super.EVAL_PAGE;
}
/**
* 释放资源
*/
public void release(){
super.release();
}
}