/*
 *  $Id: description.js,v 1.4 2009/10/23 16:43:18 ghard Exp $
 *
 *  This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
 *  project.
 *
 *  Copyright (C) 1998-2009 OpenLink Software
 *
 *  This project 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; only version 2 of the License, dated June 1991.
 *
 *  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.,
 *  51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 *
 */

function init() {
	init_long_list ();
	init_long_literals();
}

var long_literal_counter = 0;
var long_literal_spans = {};
var long_literal_texts = {};

function init_long_literals() {
    var spans = document.getElementsByTagName('span');
    for (i = 0; i < spans.length; i++) {
        if (spans[i].className != 'literal') continue;
        var span = spans[i];
        var textNode = span.firstChild;
        var text = textNode.data;
        if (!text || text.length < 300) continue;
        var match = text.match(/([^\0]{150}[^\0]*? )([^\0]*)/);
        if (!match) continue;
        span.insertBefore(document.createTextNode(match[1] + ' ... '), span.firstChild);
        span.removeChild(textNode);
        var link = document.createElement('a');
        link.href = 'javascript:expand(' + long_literal_counter + ');';
        link.appendChild(document.createTextNode('\u00BBmore\u00BB'));
        link.className = 'expander';
        span.insertBefore(link, span.firstChild.nextSibling);
        long_literal_spans[long_literal_counter] = span;
        long_literal_texts[long_literal_counter] = textNode;
        long_literal_counter = long_literal_counter + 1;
    }
}

var long_ul_counter = 0;
var long_uls = {};
var long_uls_nodes = {};

function init_long_list() 
{
    var uls = document.getElementsByTagName('ul');
    for (i = 0; i < uls.length; i++) 
      {
	if (uls[i].className != 'obj') continue;
	if (uls[i].childNodes.length <= 10) continue;
	var ul = uls[i];
	long_uls_nodes[long_ul_counter] = ul.cloneNode (true);
	//alert (long_ul_counter + ' ' + ul.childNodes.length);
	while (ul.childNodes.length > 10)
	  {
	    ul.removeChild (ul.lastChild);
	  }
	var link = document.createElement('a');
	link.href = 'javascript:expand_ul(' + long_ul_counter + ');';
	link.appendChild(document.createTextNode('\u00BBmore\u00BB'));
	link.className = 'expander';
	ul.insertBefore(link, ul.lastChild.nextSibling);
	long_uls[long_ul_counter] = ul;
	long_ul_counter++;
      }

}

function expand_ul(n) {
    var ul = long_uls[n];
    var copy = long_uls_nodes[n];
    while (ul.childNodes.length > 0)
      ul.removeChild (ul.lastChild);
    //alert (n + ' ' + copy.childNodes.length);
    for (i = 0; i < copy.childNodes.length; i++)
      ul.appendChild (copy.childNodes[i].cloneNode (true));
}

function expand(i) {
    var span = long_literal_spans[i];
    span.removeChild(span.firstChild);
    span.removeChild(span.firstChild);
    span.insertBefore(long_literal_texts[i], span.firstChild);
}

function uri_parms_string (p_obj)
{
    var parms_s = '?';
    for (var p in p_obj) {
	parms_s = parms_s + p + '=' + escape(p_obj[p]).replace('+', '%2B').replace('#', '%23') + '&';
    }
    return parms_s.substring(0,parms_s.length-1);
}

function inf_cb () 
{
    var loc = window.location;
    var href = loc.protocol+'//'+loc.host+loc.pathname;
    var parms = OAT.Dom.uriParams();

    parms['inf'] = $v('inf_sel');
    window.location = href+uri_parms_string(parms);
}

function sas_cb () 
{
    var loc = window.location;
    var href = loc.protocol+'//'+loc.host+loc.pathname;
    var parms = OAT.Dom.uriParams();

    if ($('sas_ckb').checked) parms['sas'] = 'yes';
    else parms['sas'] = 'no';
    window.location = href+uri_parms_string(parms);
}