/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * 
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is Mozilla Leak-o-Matic.
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications Corp.  Portions created by Netscape Communucations
 * Corp. are Copyright (C) 1999 Netscape Communications Corp.  All
 * Rights Reserved.
 * 
 * Contributor(s):
 * Chris Waterson <waterson@netscape.com>
 * 
 * $Id: balance.js,v 1.2 1999-11-17 19:15:02 waterson%netscape.com Exp $
 */

/*

   Script for the HTML generated by ``balance.cgi''

 */

function toggle(target)
{
    var tt = target.parentNode;

    // ensure that we're actuallly looking at a method
    if (tt.getAttribute('class') != 'method') return;

    // toggle the selected state
    var selected = tt.getAttribute('selected') == 'true';
    selected = !selected;
    tt.setAttribute('selected', selected ? 'true' : 'false');

    // add/remove from the 'exclude' list
    var exclude = document.getElementById('exclude');
    var value = target.nodeValue;

    if (selected) {
	var found = false;
	for (var i = 0; i < exclude.length; ++i) {
	    if (exclude.options[i].text == value) {
		found = true;
		break;
	    }
	}

	if (! found) {
	    dump('adding ' + value + '\n');
	    var option = document.createElement('option');
	    option.setAttribute('selected', 'true');
	    option.appendChild(document.createTextNode(value));
	    exclude.appendChild(option);
	}
    }
    else {
	for (var i = 0; i < exclude.length; ++i) {
	    if (exclude.options[i].text == value) {
		exclude.removeChild(exclude.options[i]);
		break;
	    }
	}
    }
}

function remove() {
    // remove all of the selected items from the 'exclude' list
    var exclude = document.getElementById('exclude');

    for (var i = 0; i < exclude.length; ++i) {
	if (exclude.options[i].selected) {
	    exclude.removeChild(exclude.options[i]);
	    --i;
	}
    }
}

function onsubmit() {
    // make sure that all of the elements in the select are actually
    // -selected- so that the HTTP GET will contain them as excludes.
    var exclude = document.getElementById('exclude');

    for (var i = 0; i < exclude.length; ++i) {
	// XXX doing this with 'options[i].selected = true' actually
	// -changes- the selection. Oops.
	exclude.options[i].setAttribute('selected', 'true');
    }
}