package com.jeeplus.common.tag;
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import java.io.IOException;
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import javax.servlet.ServletContext;
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import javax.servlet.jsp.JspTagException;
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import javax.servlet.jsp.JspWriter;
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import javax.servlet.jsp.tagext.TagSupport;
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import com.jeeplus.common.config.Global;
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import com.jeeplus.common.utils.SpringContextHolder;
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import com.jeeplus.modules.sys.entity.Menu;
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/**
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*
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* 类描述：菜单标签
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*
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* 刘高峰
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* @date： 日期：2015-1-23 时间：上午10:17:45
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* @version 1.0
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*/
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public class MenuTag extends TagSupport {
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private static final long serialVersionUID = 1L;
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protected Menu menu;//菜单Map
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public Menu getMenu() {
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return menu;
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}
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public void setMenu(Menu menu) {
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this.menu = menu;
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}
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public int doStartTag() throws JspTagException {
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return EVAL_PAGE;
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}
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public int doEndTag() throws JspTagException {
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try {
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JspWriter out = this.pageContext.getOut();
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String menu = (String) this.pageContext.getSession().getAttribute("menu");
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if(menu!=null){
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out.print(menu);
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}else{
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menu=end().toString();
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out.print(menu);
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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return EVAL_PAGE;
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}
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public StringBuffer end() {
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StringBuffer sb = new StringBuffer();
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sb.append(getChildOfTree(menu,0));
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System.out.println(sb);
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return sb;
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}
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private static String getChildOfTree(Menu parent, int level) {
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StringBuffer menuString = new StringBuffer();
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String href = "";
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if (!parent.hasPermisson())
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return "";
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if (level > 0) {//level 为0是功能菜单
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menuString.append("<li>");
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ServletContext context = SpringContextHolder
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.getBean(ServletContext.class);
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if (parent.getHref() != null && parent.getHref().length() > 0) {
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if(parent.getHref().endsWith(".html")&&!parent.getHref().endsWith("ckfinder.html")){//如果是静态资源并且不是ckfinder.html，直接访问不加adminPath
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href = context.getContextPath() + parent.getHref();
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}else{
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href = context.getContextPath() + Global.getAdminPath()
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+ parent.getHref();
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}
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}
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}
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if (parent.hasChildren()) {
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if (level > 0) {
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menuString
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.append("<a href=\""
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+ href
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+ "\"><i class=\"fa "+parent.getIcon()+"\"></i> <span class=\"nav-label\">"
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+ parent.getName()
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+ "</span><span class=\"fa arrow\"></span></a>");
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}
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if (level == 1) {
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menuString.append("<ul class=\"nav nav-second-level\">");
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} else if (level == 2) {
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menuString.append("<ul class=\"nav nav-third-level\">");
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} else if (level == 3) {
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menuString.append("<ul class=\"nav nav-forth-level\">");
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} else if (level == 4) {
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menuString.append("<ul class=\"nav nav-fifth-level\">");
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}
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for (Menu child : parent.getChildren()) {
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if (child.getIsShow().equals("1")) {
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menuString.append(getChildOfTree(child, level + 1));
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}
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}
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if (level > 0) {
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menuString.append("</ul>");
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}
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} else {
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menuString.append("<a class=\"J_menuItem\" href=\"" + href
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+ "\" ><i class=\"fa "+parent.getIcon()+"\"></i> <span class=\"nav-label\">"+parent.getName()+"</span></a>");
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}
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if (level > 0) {
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menuString.append("</li>");
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}
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return menuString.toString();
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}
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}
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