Right Menu

From Fxp Wiki

Variation

switch.jsp

links / lien

jsp menus

BEWARE : The menus need to be written directly inside a .jsp page (viewtemplate.jsp or leftmenu.jsp, because of the variable in the menu). If you don't use the "baseURL" variable, you can make the links in any page.

Arguments

• setset : the name of the corresponding category menu (the name of the page to display in the right menu for this category).
• name : name of the cookie (because switch.jsp is also used to record the value of the "language / style" cookie). Here it is "wikicat".
• myreferer : the destination of the link.

Wiki.jsp%3Fpage%3DCategoryXml">

ViewTemplate.jsp

Three possibilities:

• your distribution contains "httpUtil"
• Don't bother about "httpUtil"
• you don't have "httpUtil" and want to compile it (masochist aren't you ???)

If your distribution contains "httpUtil" do only:

<% String CatMenu = HttpUtil.retrieveCookieValue(request, "wikicat") ; try { if (CatMenu != null) { %>

%>

If your distribution DOESN'T contains HttpUtil and you don't want to loose time compiling it:

Try to put this in your viewtemplate.jsp <% Cookie cookieCounter = null; String cookieName = "wikicat"; int cookieFound = 0; String myString=""; String tempString=""; int count=0;

try { // Code which can throw can exception Cookie[[] cookies = request.getCookies(); if (cookies != null) { for(int i=0; i

if(cookieFound == 1) { myString = cookieCounter.getValue(); tempString = myString; } else { tempString = ""; }

}

} catch(Exception e) { // Exception handler code here }

%>

<% String CatMenu = tempString ; try { if (CatMenu != null) { %>

If your distribution doesn't contains HttpUtil: (if you don't know how to compile, FORGET IT) you must also do this:

• add:

<%@ page import="ecyrd.HttpUtil" %> At the top of viewtemplate.jsp;

• add this in ViewTemplate where you want the menu diplayed.

<% String CatMenu = HttpUtil.retrieveCookieValue(request, "wikicat") ; try { if (CatMenu != null) { %>

%>

• create a folder named "ecyrd" in JSPWiki/WEB-INF/classes/ (create classes if it doesn't exist)
• create a file named HttpUtil.java in the "ecyrd" folder, with this content:

package ecyrd;

import javax.servlet.http.HttpServletRequest; import javax.servlet.http.Cookie;

/**

*  Contains useful utilities for some common HTTP tasks.
*
*  @author Janne Jalkanen
*  @since 2.1.61.
*/

   /**
    *  Attempts to retrieve the given cookie value from the request.
    *  Returns the string value (which may or may not be decoded
    *  correctly, depending on browser!), or null if the cookie is
    *  not found.
    *
    *  @param request The current request
    *  @param cookieName The name of the cookie to fetch.
    *  @return Value of the cookie, or null, if there is no such cookie.
    */

   public static String retrieveCookieValue( HttpServletRequest request, String 
   cookieName )
   {
       Cookie[[] cookies = request.getCookies();

       if( cookies != null )
       {
           for( int i = 0; i < cookies.length; i++ )
           {
               if( cookies[i]].getName().equals( cookieName ) )
               {
                   return( cookiesi.getValue() );
               }
           }
       }

       return( null );
   }

}

• compile it
• restart your wiki

     ;