roller/contrib/plugins/src/org/roller/presentation/velocity/plugins/readmore ReadMorePlugin.java,1.1,1.2

Update of 
/cvsroot/roller/roller/contrib/plugins/src/org/roller/presentation/velocity/plugins/readmore
In directory 
sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv7247/contrib/plugins/src/org/roller/presentation/velocity/plugins/readmore

Modified Files:
        ReadMorePlugin.java 
Log Message:
Tweaked PagePlugins, and added "help text"/description to UI.

Index: ReadMorePlugin.java
===================================================================
RCS file: 
/cvsroot/roller/roller/contrib/plugins/src/org/roller/presentation/velocity/plugins/readmore/ReadMorePlugin.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** ReadMorePlugin.java 8 Jul 2004 06:48:58 -0000       1.1
--- ReadMorePlugin.java 14 Jul 2004 01:30:54 -0000      1.2
***************
*** 1,107 ****
! /*
!  * Created on Nov 2, 2003
!  *
!  */
! package org.roller.presentation.velocity.plugins.readmore;
! 
! import org.apache.commons.logging.Log;
! import org.apache.commons.logging.LogFactory;
! import org.apache.velocity.context.Context;
! import org.roller.RollerException;
! import org.roller.model.UserManager;
! import org.roller.pojos.WeblogEntryData;
! import org.roller.presentation.RollerRequest;
! import org.roller.presentation.velocity.PagePlugin;
! import org.roller.util.Utilities;
! 
! /**
!  * @author lance
!  *
!  */
! public class ReadMorePlugin implements PagePlugin
! {
!     public String name = "Read More Summary";
!     
!     private static Log mLogger = 
!        LogFactory.getFactory().getInstance(ReadMorePlugin.class);
!        
!     String ctxPath = "";
!     UserManager uMgr = null;
!     
!     public ReadMorePlugin()
!     {
!         mLogger.debug("ReadMorePlugin instantiated.");
!     }
!     
!     public String toString() { return name; }
! 
!       /* (non-Javadoc)
!        * @see 
org.roller.presentation.velocity.PagePlugin#init(org.roller.presentation.RollerRequest,
 org.apache.velocity.context.Context)
!        */
!       public void init(RollerRequest rreq, Context ctx)
!       {
!         if (rreq != null)
!         {    
!               ctxPath = rreq.getRequest().getContextPath();        
!             try
!               {
!                       uMgr = rreq.getRoller().getUserManager();
!               }
!               catch (RollerException e)
!               {
!                       mLogger.error("Unable to reach UserManager", e);
!               }
!         }
!       }
! 
!       /* 
!      * This method cannot do it's intended job (since it cannot
!      * read the current Entry) so it is to do no work!
!      * 
!      * (non-Javadoc)
!        * @see 
org.roller.presentation.velocity.PagePlugin#render(java.lang.String)
!        */
!       public String render(String str)
!       {
!               return str;
!       }
!     
!     public String render(WeblogEntryData entry, boolean skipFlag)
!     {
!         if (skipFlag) 
!             return entry.getText();
!         
!         String result = Utilities.truncateNicely(entry.getText(), 240, 260, 
"... ");
!         
!         // if the result is shorter, we need to add "Read More" link
!         if (result.length() < entry.getText().length())
!         {
!             String pageLink = "Weblog";
!             if (uMgr != null)
!             {
!                 try
!                               {
!                                       pageLink = uMgr.retrievePage(
!                         entry.getWebsite().getDefaultPageId()
!                             ).getLink();
!                               }
!                               catch (Exception e)
!                               {
!                                       // nothing much I can do, go with 
default "Weblog" value
!                     // could be RollerException or NullPointerException
!                               }
!             }
!             
!             if (result.endsWith("</p>")) result += "<p>";
!             
!             String link = "<a href=\"" + ctxPath + "/comments/" + 
!                 entry.getWebsite().getUser().getUserName() + 
!                 "/" + pageLink + "/" + entry.getAnchor() + 
!                 "\">Read More</a></p>";
!             
!             result += link;
!         }
!         return result;
!     }
! 
! }
--- 1 ----
! /*
 * Created on Nov 2, 2003
 *
 */
package org.roller.presentation.velocity.plugins.readmore;

import org.apache.commons.lang.StringEscapeUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.velocity.context.Context;
import org.roller.RollerException;
import org.roller.model.RollerFactory;
import org.roller.model.UserManager;
import org.roller.pojos.WeblogEntryData;
import org.roller.pojos.WebsiteData;
import org.roller.presentation.RollerRequest;
import org.roller.presentation.velocity.PagePlugin;
import org.roller.util.Utilities;

/**
 * @author lance
 *
 */
public class ReadMorePlugin implements PagePlugin
{
    protected String name = "Read More Summary";
    protected String description = "Stops entry after 250 characters and 
creates " +
        "a link to the full entry.";
    
    private static Log mLogger = 
       LogFactory.getFactory().getInstance(ReadMorePlugin.class);
       
    String ctxPath = "";
    
    public ReadMorePlugin()
    {
        mLogger.debug("ReadMorePlugin instantiated.");
    }
    
    public String toString() { return name; }

        /* (non-Javadoc)
         * @see 
org.roller.presentation.velocity.PagePlugin#init(org.roller.presentation.RollerRequest,
 org.apache.velocity.context.Context)
         */
        public void init(RollerRequest rreq, Context ctx) throws RollerException
        {
        if (rreq == null) throw new RollerException("RollerRequest is null.");
  
        ctxPath = rreq.getRequest().getContextPath();        
        }

        /**
     * @param mgr
     * @param data
     * @return
     */
    private String getPageLink(UserManager mgr, WebsiteData website) throws 
RollerException
    {
        return mgr.retrievePage(website.getDefaultPageId()).getLink();
    }

    /* 
     * This method cannot do it's intended job (since it cannot
     * read the current Entry) so it is to do no work!
     * 
     * (non-Javadoc)
         * @see 
org.roller.presentation.velocity.PagePlugin#render(java.lang.String)
         */
        public String render(String str)
        {
                return str;
        }
    
    public String render(WeblogEntryData entry, boolean skipFlag)
    {
        if (skipFlag) 
            return entry.getText();
        
        // in case it didn't initialize
        String pageLink = "Weblog";
        try
        {
            pageLink = getPageLink(
                RollerFactory.getRoller().getUserManager(), entry.getWebsite());
        }
        catch (RollerException e)
        {
            mLogger.warn("Unable to get pageLink", e);
        }
        
        String result = Utilities.truncateNicely(entry.getText(), 240, 260, 
"... ");
        
        // if the result is shorter, we need to add "Read More" link
        if (result.length() < entry.getText().length())
        {            
            String link = "<div class=\"readMore\"><a href=\"" + 
                ctxPath + "/comments/" + 
                entry.getWebsite().getUser().getUserName() + 
                "/" + pageLink + "/" + entry.getAnchor() + 
                "\">Read More</a></div>";
            
            result += link;
        }
        return result;
    }


    public String getName() { return name; }
    public String getDescription() { return 
StringEscapeUtils.escapeJavaScript(description); }
}
\ No newline at end of file



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