/*
   Mediaplay Plugin (ver.2.1) for JSPWiki (a JSP-based WikiWiki clone.)
   The parameter mispelled and depreciated method issues were reported and fixed by Ron Atkins, thanks a lot. 
   
   Copyright (C) 2002 Janne Jalkanen (Janne.Jalkanen@iki.fi)
   Copyright (C) 2006 Geoffrey Wang (geoffrey.wang@gmail.com

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as published by
   the Free Software Foundation; either version 2.1 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   
 */
package tw.idv.ecoast.plugin;

import com.ecyrd.jspwiki.plugin.*;
import java.util.*;
import com.ecyrd.jspwiki.*;
import com.ecyrd.jspwiki.attachment.AttachmentManager;
import com.ecyrd.jspwiki.attachment.Attachment;
import com.ecyrd.jspwiki.providers.ProviderException;

/**
 *  Provides an media player plugin for display
 *  Most source code adapted from com.ecyrd.jspwiki.plugin.Image (Janne Jalkanen)
 *  
 *
 *  @author Geoffrey
 *  @since 2.4.6
 */

public class Mediaplayer
   implements WikiPlugin
{
   public static final String PARAM_SRC      = "src";
   public static final String PARAM_PTYPE    = "playertype";

   public static final String PARAM_ALIGN    = "align";
   public static final String PARAM_HEIGHT   = "height";
   public static final String PARAM_WIDTH    = "width";
   public static final String PARAM_ALT      = "alt";
   public static final String PARAM_CAPTION  = "caption";
   public static final String PARAM_LINK     = "link";
   public static final String PARAM_STYLE    = "style";
   public static final String PARAM_CLASS    = "class";
   public static final String PARAM_BORDER   = "border";

   public static final String PARAM_CONTROL   = "control";
   public static final String PARAM_AUTOSTART = "autostart";
   public static final String PARAM_AUTOREWIND  = "autorewind";
   public static final String PARAM_COUNT   = "playcount";
   public static final String PARAM_MHEIGHT   = "movieheight";
   public static final String PARAM_MWIDTH    = "moviewidth";

   /**
    *  This method is used to clean away things like quotation marks which
    *  a malicious user could use to stop processing and insert javascript.
    */
   private static final String getCleanParameter( Map params, String paramId )
   {
       return TextUtil.replaceEntities( (String) params.get( paramId ) );
   }

   public String execute( WikiContext context, Map params )
       throws PluginException
   {
       WikiEngine engine = context.getEngine();
       String src     = getCleanParameter( params, PARAM_SRC );
       String playertype  = getCleanParameter( params, PARAM_PTYPE );
       String align   = getCleanParameter( params, PARAM_ALIGN );
       String ht      = getCleanParameter( params, PARAM_HEIGHT );
       String wt      = getCleanParameter( params, PARAM_WIDTH );
       String alt     = getCleanParameter( params, PARAM_ALT );
       String caption = getCleanParameter( params, PARAM_CAPTION );
       String link    = getCleanParameter( params, PARAM_LINK );
       String style   = getCleanParameter( params, PARAM_STYLE );
       String cssclass= getCleanParameter( params, PARAM_CLASS );

       String border  = getCleanParameter( params, PARAM_BORDER );

       String control  = getCleanParameter( params, PARAM_CONTROL );
       String autostart  = getCleanParameter( params, PARAM_AUTOSTART );
       String autorewind  = getCleanParameter( params, PARAM_AUTOREWIND );
       String playcount  = getCleanParameter( params, PARAM_COUNT );
       String movieheight  = getCleanParameter( params, PARAM_MHEIGHT );
       String moviewidth  = getCleanParameter( params, PARAM_MWIDTH );

       if( src == null )
       {
           throw new PluginException("Parameter 'src' is required for Mediaplayer plugin");
       }

       // -- * section begin * default parameter, if no value input --
       if( playertype == null )
       {
           playertype = "mediaplayer";
       }

       if( cssclass == null ) cssclass = "imageplugin";

       // -- * section end *
       try
       {
           AttachmentManager mgr = engine.getAttachmentManager();
           Attachment        att = mgr.getAttachmentInfo( context, src );

           if( att != null )
           {
               src = context.getURL( WikiContext.ATTACH, att.getName() );
               //src = engine.getAttachmentURL(att.getName());
           }
       }
       catch( ProviderException e )
       {
           throw new PluginException( "Attachment info failed: "+e.getMessage() );
       }

       StringBuffer result = new StringBuffer();

       result.append( "<table border=\"0\" class=\""+cssclass+"\"" );
       //if( align != null ) result.append(" align=\""+align+"\"");
       //if( style != null ) result.append(" style=\""+style+"\"");
       //result.append( ">\n" );
       //
       //  Do some magic to make sure centering also work on FireFox
       //
       if( style != null )
       {
           result.append(" style=\""+style);

           // Make sure that we add a ";" to the end of the style string
           if( result.charAt( result.length()-1 ) != ';' ) result.append(";");

           if( align != null && align.equals("center") )
           {
               result.append(" margin-left: auto; margin-right: auto;");
           }

           result.append("\"");
       }
       else
       {
           if( align != null && align.equals("center") ) result.append(" style=\"margin-left: auto; margin-right: auto;\"");
       }

       if( align != null && !(align.equals("center")) ) result.append(" align=\""+align+"\"");

       result.append( ">\n" );

       if( caption != null )
       {
           result.append("<caption align=bottom>"+TextUtil.replaceEntities(caption)+"</caption>\n");
       }


       result.append( "<tr><td>" );

       if( link != null )
       {
           result.append("<a href=\""+link+"\">");
       }

       if(playertype.compareToIgnoreCase("quicktime")==0)
       {

         // html player code part1: ActiveX Object
         result.append( "<object id=\"video\"  border=\"0\" classid=\"clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B\" codebase=\"http://www.apple.com/qtactivex/qtplugin.cab\" " );

         if( ht != null )     result.append(" height=\""+ht+"\"");
         if( wt != null )     result.append(" width=\""+wt+"\"");
         if( alt != null )    result.append(" alt=\""+alt+"\"");
         if( border != null ) result.append(" border=\""+border+"\"");

         result.append(" >");

         result.append(" <param name=\"src\" value=\""+src+"\">");
         result.append(" <param name=\"scale\" value=\"tofit\">");

         if( control != null )     result.append(" <param name=\"controller\" value=\""+control+"\">");
         if( autostart != null )     result.append(" <param name=\"autoplay\" value=\""+autostart+"\">");
         if( autorewind != null )     result.append(" <param name=\"loop\" value=\""+autorewind+"\">");
         if( playcount != null )     result.append(" <param name=\"PlayCount\" value=\""+playcount+"\">");

         if( movieheight != null )     result.append(" <param name=\"MovieWindowHeight\" value=\""+movieheight+"\">");
         if( moviewidth != null )     result.append(" <param name=\"MovieWindowWidth\" value=\""+moviewidth+"\">");

         // html player code part2: Embedd
         result.append( "<embed src=\""+src+"\" pluginspage=\"http://www.apple.com/quicktime/download/\" scale=\"tofit\" ");

         if( control != null )     result.append(" controller=\""+control+"\" ");

         if( autostart != null)     result.append(" autoplay=\""+autostart +"\" ");

         if( autorewind != null )     result.append(" loop=\""+autorewind+"\" ");
         if( playcount != null)     result.append(" PlayCount=\""+playcount +"\" ");

         if( movieheight != null )     result.append(" height=\""+movieheight+"\"");
         if( moviewidth != null )     result.append(" width=\""+moviewidth+"\"");

         result.append( "></embed></object>");
       }
       else
       {
         // html player code part1: ActiveX Object
         result.append( "<object id=\"video\"  border=\"0\" classid=\"CLSID:05589FA1-C356-11CE-BF01-00AA0055595A\" " );

         if( ht != null )     result.append(" height=\""+ht+"\"");
         if( wt != null )     result.append(" width=\""+wt+"\"");
         if( alt != null )    result.append(" alt=\""+alt+"\"");
         if( border != null ) result.append(" border=\""+border+"\"");

         result.append(" >");

         result.append(" <param name=\"FileName\" value=\""+src+"\">");
         result.append(" <param name=\"ShowDisplay\" value=\"0\">");

         if( control != null )     result.append(" <param name=\"ShowControls\" value=\""+control+"\">");
         if( autostart != null )     result.append(" <param name=\"AutoStart\" value=\""+autostart+"\">");
         if( autorewind != null )     result.append(" <param name=\"AutoRewind\" value=\""+autorewind+"\">");
         if( playcount != null )     result.append(" <param name=\"PlayCount\" value=\""+playcount+"\">");

         if( movieheight != null )     result.append(" <param name=\"MovieWindowHeight\" value=\""+movieheight+"\">");
         if( moviewidth != null )     result.append(" <param name=\"MovieWindowWidth\" value=\""+moviewidth+"\">");

         // html player code part2: Embedd

         result.append( "<embed src=\""+src+"\" type=\"application/x-mplayer2\" ");

         if( control != null )     result.append(" ShowPositionControls=\""+control+"\" ");

         if( autostart != null)     result.append(" AutoStart=\""+autostart +"\" ");

         if( autorewind != null )     result.append(" AutoRewind=\""+autorewind+"\" ");
         if( playcount != null)     result.append(" PlayCount=\""+playcount +"\" ");

         if( movieheight != null )     result.append(" height=\""+movieheight+"\"");
         if( moviewidth != null )     result.append(" width=\""+moviewidth+"\"");

         result.append( "></embed></object>");
       }


       if( link != null )  result.append("</a>");
       result.append("</td></tr>\n");

       result.append("</table>\n");

       return result.toString();
   }
}