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package com.frameworkset.platform.menu;
import java.io.PrintWriter;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.servlet.jsp.PageContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.frameworkset.platform.config.ConfigManager;
import com.frameworkset.platform.framework.Framework;
import com.frameworkset.platform.framework.FrameworkServlet;
import com.frameworkset.platform.framework.Item;
import com.frameworkset.platform.framework.ItemQueue;
import com.frameworkset.platform.framework.MenuHelper;
import com.frameworkset.platform.framework.MenuItem;
import com.frameworkset.platform.framework.Module;
import com.frameworkset.platform.framework.ModuleQueue;
import com.frameworkset.platform.security.AccessControl;
import com.frameworkset.util.StringUtil;
import com.frameworkset.util.VelocityUtil;
import bboss.org.apache.velocity.Template;
import bboss.org.apache.velocity.VelocityContext;
import bboss.org.apache.velocity.exception.MethodInvocationException;
import bboss.org.apache.velocity.exception.ParseErrorException;
import bboss.org.apache.velocity.exception.ResourceNotFoundException;
/**
* Title: 生成系统主菜单
*
* Description:
*
* Copyright: Copyright (c) 2005
*
* Company: iSany
*
* @author biaoping.yin
* @version 1.0
*/
public class MainColumn implements Serializable{
private static final Logger log = LoggerFactory.getLogger(MainColumn.class);
private String parent;
private PageContext pageContext;
private HttpServletRequest request;
//private HttpServletResponse response;
private HttpSession session;
private boolean flag = false;
private PrintWriter out;
private static final String COLUMN_HEADER = "mainmenu/column_head.vm";
private static final String COLUMN_TAILER = "mainmenu/column_tailer.vm";
private static final String COLUMN = "mainmenu/column.vm";
private static final String NAVIGATOR = "mainmenu/navigator.vm";
private static final String PARENT_KEY = "parent_key";
private static Map imageIDs = new HashMap();
private String super_parent = "";
private String selectImage;
private String currentPath;
/**
* 根据当前默认选中的栏目菜单项来确定栏目的根路径，
* 需要知道是将当前栏目菜单项的父节点的路径作为根路径呢，
* 还是将当前栏目菜单项的父节点所属父节点的路径作为根路径
* 用属性ancestor的值来标识上述两种情况：
* 1：当前栏目菜单项的父节点的路径作为根路径
* 2：当前栏目菜单项的父节点所属父节点的路径作为根路径
*/
private String ancestor = "2";
private MenuItem currentMenu ;
private AccessControl control = AccessControl.getInstance();
private MenuHelper menuHelper;
private String subsystem;
/**
* 控制栏目层级
*/
private int level = -1;
/**
* 模板存放相对路径，针对不同的模板生成不同样式和风格的栏目菜单
*/
private String templatePath = "";
/**
* 栏目菜单开始节点
*/
private String rootID = "";
/**
* 获取选中图片的id
* @param path
* @return
*/
private String getSelectImage(String path)
{
String ret = (String)imageIDs.get(path);
if(ret != null)
{
return ret;
}
ret = StringUtil.replace(path,":","_");
ret = StringUtil.replace(ret,"/","_");
imageIDs.put(path,ret);
return ret;
//System.out.println("selectImage:>>>>>>>>>>" + path);
//return path;
}
/**
* 初始化生成栏目菜单树的环境
* @param pageContext PageContext
* @param control AccessControl
*/
public void init(PageContext pageContext,AccessControl control)
{
this.pageContext = pageContext;
request = (HttpServletRequest)pageContext.getRequest();
session = request.getSession();
subsystem = FrameworkServlet.getSubSystem(request,(HttpServletResponse)pageContext.getResponse(),control.getUserAccount());
this.super_parent = Framework.getSuperMenu(subsystem);
//response = (HttpServletResponse)pageContext.getResponse();
menuHelper = new MenuHelper(subsystem,control);
if(control != null)
this.control = control;
else
control.checkAccess(pageContext,false);
//out = pageContext.getOut();
out = new PrintWriter(pageContext.getOut());
this.parent = request.getParameter(PARENT_KEY);
if(parent == null)
{
parent = (String) session.getAttribute("parent_key");
session.removeAttribute("parent_key");
}
currentMenu = FrameworkServlet.getCurrent(subsystem,session);
if(currentMenu != null)
{
currentPath = currentMenu.getPath();
//selectImage = currentMenu.getId();
selectImage = getSelectImage(currentPath);
}
//从session中获取路径
if(parent == null)
{
if(currentMenu != null)
{
String key = currentMenu.getPath();
String cookieKey = control.getUserAccount() + "@" + key;
this.ancestor = (String)session.getAttribute(key);
if(ancestor == null)
{
Cookie[] cookies = request.getCookies();
Cookie cookie = null;
for(int i = 0; cookies != null && i < cookies.length; i ++ )
{
cookie = cookies[i];
if(cookie.getName().equals(cookieKey))
{
ancestor = cookie.getValue();
break;
}
}
}
if(ancestor == null || ancestor.equals("2"))
{
parent = currentMenu.getParent().getParentPath();
}
else if(ancestor.equals("1"))
{
parent = currentMenu.getParentPath();
}
}
}
}
public void init(PageContext pageContext)
{
this.init(pageContext,null);
}
public void buildColumn()
{
this.evaluateLeftheader(out);
if(this.parent == null || parent.equals(Framework.getSuperMenu(subsystem)))
{
if(ConfigManager.getInstance().securityEnabled())
{
evaluateColumn(menuHelper.getModules(),out);
evaluateItemColumn(menuHelper.getItems(),out);
}
else
{
ModuleQueue modules = Framework.getInstance().getModules();
ItemQueue items = Framework.getInstance().getItems();
this.evaluateColumn(modules, out);
this.evaluateItemColumn(items,out);
}
}
else
{
Object object = Framework.getInstance().getMenu(parent);
if(object instanceof Module)
{
Module module = (Module)object;
super_parent = module.getParent().getParentPath();
this.evaluateNavigator(super_parent,out);
if(ConfigManager.getInstance().securityEnabled())
{
this.evaluateColumn(menuHelper.getSubModules(parent), out);
this.evaluateItemColumn(menuHelper.getSubItems(parent), out);
}
else
{
ModuleQueue modules = module.getSubModules();
ItemQueue items = module.getItems();
this.evaluateColumn(modules, out);
this.evaluateItemColumn(items, out);
}
this.evaluateNavigator(super_parent,out);
}
else if(object instanceof Item)
{
}
}
this.evaluateBottom(out);
out.flush();
}
public void evaluateLeftheader(PrintWriter out)
{
Template template = null;
VelocityContext context = null;
try
{
template = VelocityUtil.getTemplate("mainmenu/left_head.vm");
context = new VelocityContext();
template.merge(context, out);
}
catch(Exception e)
{
e.printStackTrace();
}
}
public void evaluateBottom(PrintWriter out)
{
Template template = null;
VelocityContext context = null;
try
{
template = VelocityUtil.getTemplate("mainmenu/left_tailer.vm");
context = new VelocityContext();
if(this.getSelectImage() == null)
context.put("selectImg","");
else
context.put("selectImg","selectImg=img_" + this.getSelectImage() + ";");
template.merge(context, out);
}
catch(Exception e)
{
e.printStackTrace();
}
}
public void evaluateNavigator(String parent,PrintWriter out)
{
Template template = null;
VelocityContext context = null;
try
{
template = VelocityUtil.getTemplate(NAVIGATOR);
context = new VelocityContext();
context.put("title_dec", "返回上一级");
context.put("onmouseup_img", "sysmanager/images/back.gif");
context.put("onmousedown_img", "sysmanager/images/back_enabled.gif");
context.put("onmouseover_img", "sysmanager/images/back_highlighted.gif");
context.put("onmouseout_img", "sysmanager/images/back.gif");
context.put("default_img", "sysmanager/images/back.gif");
context.put("navigator_link",
request.getContextPath() + "/" + Framework.LeftSIDE_CONTAINER_URL + "?"
+ Framework.MENU_PATH + "=" +
StringUtil.encode(parent, null) +
"&"
+ Framework.MENU_TYPE + "=" +
Framework.LEFTSIDE_CONTAINER +
"&"
//+ PARENT_KEY + "=" + StringUtil.encode(Framework.getInstance().getModule(parent).getParentPath(), null));
+ PARENT_KEY + "=" + StringUtil.encode(super_parent, null));
context.put("target", "perspective_toolbar");
template.merge(context, out);
}
catch(Exception e)
{
e.printStackTrace();
}
}
public void evaluateColumn(ModuleQueue modules,PrintWriter out)
{
Template template = null;
VelocityContext context = null;
Module module = null;
Module subModule = null;
ItemQueue items = null;
ModuleQueue submodules = null;
Item item = null;
//String currentPath = FrameworkServlet.getCurrentPath(session);
for(int i = 0; modules != null && i < modules.size(); i ++)
{
module = modules.getModule(i);
//如果模块暂未使用，不显示该模块
if(!module.isUsed())
continue;
try
{
template = VelocityUtil.getTemplate(COLUMN_HEADER);
context = new VelocityContext();
context.put("fieldset_tile", module.getDescription());
//context.put("fieldset_id", module.getId());
template.merge(context, out);
submodules = module.getSubModules();
items = module.getItems();
for (int j = 0; items != null && j < items.size(); j++) {
item = (Item) items.getItem(j);
//如果子栏目未使用，不显示该模块
if(!item.isUsed())
continue;
template = VelocityUtil.getTemplate(COLUMN);
context = new VelocityContext();
context.put("title_dec", item.getName(request));
context.put("onmouseup_img", item.getMouseupimg(request));
context.put("onmousedown_img", item.getMouseclickimg(request));
context.put("onmouseover_img", item.getMouseoverimg(request));
context.put("onmouseout_img", item.getMouseoutimg(request));
//context.put("id", item.getId());
context.put("id", getSelectImage(item.getPath()));
if (currentPath != null && currentPath.equals(item.getPath()))
{
context.put("default_img", item.getMouseupimg(request));
context.put("class", "select");
flag = true;
//selectImage = item.getId();
}
else
{
context.put("default_img", item.getMouseoutimg(request));
context.put("class", "normal");
}
// context.put("link_url",
// "/wapsite/actions/ShowPerspectiveActionJSP.jsp?persperctive=0&"
// + Framework.MENU_PATH + "=" +
// StringUtil.encode(item.getPath(), null) +
// "&"
// + Framework.MENU_TYPE + "=" + Framework.CONTENT_CONTAINER);
context.put("link_url",
request.getContextPath() + "/" + Framework.CONTENT_CONTAINER_URL + "?"
+ Framework.MENU_PATH + "=" +
StringUtil.encode(item.getPath(), null) +
"&"
+ Framework.MENU_TYPE + "=" + Framework.CONTENT_CONTAINER
+"&ancestor=2");
context.put("target","perspective_content");
// else if(type == Framework.LEFTSIDE_CONTAINER)
// {
// context.put("link_url",
// item.getLeft() + "?"
// + Framework.MENU_PATH + "=" +
// StringUtil.encode(item.getPath(), null) +
// "&"
// + Framework.MENU_TYPE + "=" + type);
// context.put("target","perspective_toolbar");
//
// }
template.merge(context,out);
}
for(int j = 0; submodules != null && j < submodules.size(); j ++)
{
subModule = submodules.getModule(j);
//如果子模块未使用，不显示该模块
if(!subModule.isUsed())
continue;
template = VelocityUtil.getTemplate(COLUMN);
context = new VelocityContext();
context.put("title_dec", subModule.getName(request) + ",点击进入");
context.put("onmouseup_img", subModule.getMouseupimg(request));
context.put("onmousedown_img", subModule.getMouseclickimg(request));
context.put("onmouseover_img", subModule.getMouseoverimg(request));
context.put("onmouseout_img", subModule.getMouseoutimg(request));
//context.put("id", subModule.getId());
context.put("id", getSelectImage(subModule.getPath()));
if (currentPath != null && currentPath.equals(subModule.getPath()))
{
context.put("default_img", subModule.getMouseupimg(request));
context.put("class", "select");
flag = true;
//selectImage = subModule.getId();
}
else
{
context.put("default_img", subModule.getMouseoutimg(request));
context.put("class", "normal");
}
context.put("link_url",
request.getContextPath() + "/" + Framework.LeftSIDE_CONTAINER_URL + "?"
+ Framework.MENU_PATH + "=" +
StringUtil.encode(subModule.getPath(), null) +
"&"
+ Framework.MENU_TYPE + "=" + Framework.LEFTSIDE_CONTAINER +
"&"
+ PARENT_KEY + "=" + StringUtil.encode(subModule.getPath(), null));
context.put("target","");
template.merge(context,out);
}
template = VelocityUtil.getTemplate(COLUMN_TAILER);
template.merge(new VelocityContext(),out);
} catch (MethodInvocationException ex) {
ex.printStackTrace();
} catch (ParseErrorException ex) {
ex.printStackTrace();
} catch (ResourceNotFoundException ex) {
ex.printStackTrace();
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
public void evaluateItemColumn(ItemQueue items,PrintWriter out)
{
Template template = null;
VelocityContext context = null;
Item item = null;
if(!(items.size() > 0))
return ;
//String currentPath = FrameworkServlet.getCurrentPath(session);
try
{
template = VelocityUtil.getTemplate(COLUMN_HEADER);
context = new VelocityContext();
context.put("fieldset_tile", "功能项");
//context.put("fieldset_id", "workitem");
template.merge(context, out);
for (int i = 0; items != null && i < items.size(); i++) {
item = (Item) items.getItem(i);
if(!item.isUsed())
continue;
template = VelocityUtil.getTemplate(COLUMN);
context = new VelocityContext();
context.put("title_dec", item.getName(request));
context.put("onmouseup_img", item.getMouseupimg(request));
context.put("onmousedown_img", item.getMouseclickimg(request));
context.put("onmouseover_img", item.getMouseoverimg(request));
context.put("onmouseout_img", item.getMouseoutimg(request));
//context.put("id", item.getId());
context.put("id", getSelectImage(item.getPath()));
if (currentPath != null && currentPath.equals(item.getPath())) {
context.put("default_img", item.getMouseupimg(request));
context.put("class", "select");
flag = true;
//selectImage = item.getId();
} else {
context.put("class", "normal");
context.put("default_img", item.getMouseoutimg(request));
}
// context.put("link_url",
// "/wapsite/actions/ShowPerspectiveActionJSP.jsp?persperctive=0&"
// + Framework.MENU_PATH + "=" +
// StringUtil.encode(item.getPath(), null) +
// "&"
// + Framework.MENU_TYPE + "=" + Framework.CONTENT_CONTAINER);
context.put("link_url",
request.getContextPath() + "/" + Framework.CONTENT_CONTAINER_URL + "?"
+ Framework.MENU_PATH + "=" +
StringUtil.encode(item.getPath(), null) + "&"
+ Framework.MENU_TYPE + "=" +
Framework.CONTENT_CONTAINER
+ "&ancestor=1"
);
context.put("target", "perspective_content");
template.merge(context, out);
}
template = VelocityUtil.getTemplate(COLUMN_TAILER);
template.merge(new VelocityContext(), out);
} catch (MethodInvocationException ex) {
ex.printStackTrace();
} catch (ParseErrorException ex) {
ex.printStackTrace();
} catch (ResourceNotFoundException ex) {
ex.printStackTrace();
} catch (Exception ex) {
ex.printStackTrace();
}
}
public String getSelectImage()
{
return flag?selectImage:null;
}
}