/**********************************************************************
 *
 * niupepavlistbrowserclass.cpp -- 
 * Copyright (C) 1999  The New Zealand Digital Library Project
 *
 * A component of the Greenstone digital library software
 * from the New Zealand Digital Library Project at the
 * University of Waikato, New Zealand.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * $Id: niupepavlistbrowserclass.cpp 4846 2003-07-01 03:09:15Z None $
 *
 *********************************************************************/

/*
   $Log$
   Revision 1.1  2000/03/08 20:44:50  sjboddie
   Initial revision


 */

#include "niupepavlistbrowserclass.h"
#include <assert.h>
#include "OIDtools.h"

niupepavlistbrowserclass::niupepavlistbrowserclass () {
}

niupepavlistbrowserclass::~niupepavlistbrowserclass () {
}

void niupepavlistbrowserclass::load_metadata_defaults (text_tset &metadata) {
  metadata.insert ("haschildren");
  metadata.insert ("doctype");
  metadata.insert ("abstract");
}

// get_link_icon attempts to work out what type of icon should be displayed for
// the given section and what it should link to.
// overridden for niupepa to add links/icons for abstracts as well as 
// papers
void niupepavlistbrowserclass::get_link_icon (ResultDocInfo_t &section, cgiargsclass &args,
					      const text_t &collink, text_t &link, text_t &icon) {

  link = "<a href=\"_httpdocument_" + collink;
  icon = "_document:icontext_";
  int haschildren = 0;

  if (section.metadata.count("haschildren") > 0)
    haschildren = section.metadata["haschildren"].values[0].getint();

  text_t doctype;
  if (section.metadata.count("doctype") > 0)
    doctype = section.metadata["doctype"].values[0];

  text_t abstract;
  if (section.metadata.count("abstract") > 0)
    abstract = section.metadata["abstract"].values[0];

  text_t &arg_d = args["d"];
  text_t &arg_cl = args["cl"];

  if (args["a"] == "q") {
    // query results
    if (doctype == "Description") {
      icon = "_document:iconabstract_";
      link += "&gg=text";
    } else if (doctype == "Commentary") {
      icon = "_document:iconcommentary_";
      link += "&gg=text";
    } else {
      if (is_top (section.OID)) icon = "_document:iconclosedbook_";
      else if (haschildren == 1) icon = "_document:iconclosedfolder_";
    }
    link += "&cl=search&d=" + section.OID + "\">";

  } else if (!arg_d.empty()) {
    // document level
    if (is_top(section.OID)) {
      icon = "_document:iconopenbook_";
      if (arg_cl == "search") link = "<a href=\"_httpquery_\">";
      else link += "&cl=" + arg_cl + "\">";
    
    } else if (haschildren == 1) {
      if ((args["gc"] == "1") || 
	  (is_child_of (section.OID, arg_d)) ||
	  (section.OID == arg_d)) {
	icon = "_document:iconopenfolder_";
	link += "&cl=" + arg_cl + "&d=" + section.OID + ".pr\">";
      } else {
	icon = "_document:iconclosedfolder_";
	link += "&cl=" + arg_cl + "&d=" + section.OID + "\">";
      }
    } else link += "&cl=" + arg_cl + "&d=" + section.OID + "\">";

  } else {
    // classification level
    if (haschildren == 1) {
      if (doctype == "classify") {
	if ((args["gc"] == "1") || 
	    (is_child_of (section.OID, arg_cl)) || 
	    (section.OID == arg_cl)) {
	  icon = "_document:iconopenbookshelf_";
	  link += "&cl=" + section.OID + ".pr\">" + icon + "</a>";
	} else {
	  icon = "_document:iconclosedbookshelf_";
	  link += "&cl=" + section.OID + "\">" + icon + "</a>";
	}
      } else {
	icon = "_document:iconclosedbook_";
	if (!abstract.empty())
	  link += "&gg=text&cl=" + arg_cl + "&d=" + abstract + "\">"
	    + "_document:iconabstract_</a>" + link +
	    "&cl=" + arg_cl + "&d=" + section.OID + "\">"
	    + icon + "</a>";
	else 
	  link += "&cl=" + arg_cl + "&d=" + section.OID + "\">"
	    + icon + "</a>";
      }
    } else {
      if (doctype == "classify") link = "";
      else if (doctype == "Commentary")
	link += "&gg=text&cl=" + arg_cl + "&d=" + section.OID + "\">"
	  + "_document:iconcommentary_</a>";
      else if (doctype == "Description")
	link += "&cl=" + arg_cl + "&d=" + section.OID + "\">"
	  + "_document:iconabstract_</a>";
      else link += "&cl=" + arg_cl + "&d=" + section.OID + "\">";
    }
  }
}