/**
* jQuery custom selectboxes
* 
* Copyright (c) 2008 Krzysztof Suszyński (suszynski.org)
* Licensed under the MIT License:
* http://www.opensource.org/licenses/mit-license.php
*
* @version 0.6.1
* @category visual
* @package jquery
* @subpakage ui.selectbox
* @author Krzysztof Suszyński <k.suszynski@wit.edu.pl>
**/
jQuery.fn.selectbox = function(options) {
    /* Default settings */
    var settings = {
        className: 'jquery-selectbox',
        classNameDisabled: 'jquery-selectbox-disabled',
        animationSpeed: "normal",
        listboxMaxSize: 10,
        replaceInvisible: false
    };
    var commonClass = 'jquery-custom-selectboxes-replaced';
    var listOpen = false;
    var showList = function(listObj) {
        var selectbox = listObj.parents('.' + settings.className + '');
        listObj.slideDown(settings.animationSpeed, function() {
            listOpen = true;
        });
        selectbox.addClass('selecthover');
        jQuery(document).bind('click', onBlurList);
        return listObj;
    }
    var hideList = function(listObj) {
        var selectbox = listObj.parents('.' + settings.className + '');
        listObj.slideUp(settings.animationSpeed, function() {
            listOpen = false;
            jQuery(this).parents('.' + settings.className + '').removeClass('selecthover');
        });
        jQuery(document).unbind('click', onBlurList);
        return listObj;
    }
    var onBlurList = function(e) {
        var trgt = e.target;
        var currentListElements = jQuery('.' + settings.className + '-list:visible').parent().find('*').andSelf();
        if (jQuery.inArray(trgt, currentListElements) < 0 && listOpen) {
            hideList(jQuery('.' + commonClass + '-list'));
        }
        return false;
    }
    /* Processing settings */
    settings = jQuery.extend(settings, options || {});
    /* Wrapping all passed elements */
    return this.each(function() {
        var _this = jQuery(this);
        if (_this.filter(':visible').length == 0 && !settings.replaceInvisible)
            return;
        var replacement;

        if (_this.filter(':disabled').length > 0) {
            replacement = jQuery(
			    '<div class="' + settings.classNameDisabled + ' ' + commonClass + '">' +
				    '<div class="' + settings.className + '-moreButton" />' +
				    '<div class="' + settings.className + '-list ' + commonClass + '-list" />' +
				    '<span class="' + settings.className + '-currentItem" />' +
			    '</div>'
		    );
        }
        else {
            replacement = jQuery(
			    '<div class="' + settings.className + ' ' + commonClass + '">' +
				    '<div class="' + settings.className + '-moreButton" />' +
				    '<div class="' + settings.className + '-list ' + commonClass + '-list" />' +
				    '<span class="' + settings.className + '-currentItem" />' +
			    '</div>'
		    );
        }
        jQuery('option', _this).each(function(k, v) {
            var v = jQuery(v);
            var listElement = jQuery('<span class="' + settings.className + '-item value-' + v.val() + ' item-' + k + '">' + v.text() + '</span>'); listElement.click(function() {
                var thisListElement = jQuery(this);
                var thisReplacment = thisListElement.parents('.' + settings.className);
                var thisIndex = thisListElement[0].className.split(' ');

                for (k1 in thisIndex) {
                    if (/^item-[0-9]+$/.test(thisIndex[k1])) {
                        thisIndex = parseInt(thisIndex[k1].replace('item-', ''), 10);
                        break;
                    }
                };
                var thisValue = thisListElement[0].className.split(' ');
                for (k1 in thisValue) {
                    if (/^value-.+$/.test(thisValue[k1])) {
                        thisValue = thisValue[k1].replace('value-', '');
                        break;
                    }
                };
                thisReplacment
					.find('.' + settings.className + '-currentItem')
					.text(thisListElement.text());

                thisReplacment
					.find('select')
					.val(thisValue)
					.triggerHandler('change');
                var thisSublist = thisReplacment.find('.' + settings.className + '-list');

                if (thisSublist.filter(":visible").length > 0) {
                    hideList(thisSublist);
                } else {
                    showList(thisSublist);
                }
            }).bind('mouseenter', function() {
                jQuery(this).addClass('listelementhover');
            }).bind('mouseleave', function() {
                jQuery(this).removeClass('listelementhover');
            });
            jQuery('.' + settings.className + '-list', replacement).append(listElement);
            if (v.filter(':selected').length > 0) {
                jQuery('.' + settings.className + '-currentItem', replacement).text(v.text());
            }
        });


        if (_this.filter(':disabled').length == 0) {

            replacement.find('.' + settings.className + '-moreButton').click(function() {

                var thisMoreButton = jQuery(this);
                var otherLists = jQuery('.' + settings.className + '-list')
				    .not(thisMoreButton.siblings('.' + settings.className + '-list'));
                hideList(otherLists);
                var thisList = thisMoreButton.siblings('.' + settings.className + '-list');
                if (thisList.filter(":visible").length > 0) {
                    hideList(thisList);
                } else {
                    showList(thisList);
                }
            }).bind('mouseenter', function() {
                jQuery(this).addClass('morebuttonhover');
            }).bind('mouseleave', function() {
                jQuery(this).removeClass('morebuttonhover');
            });

        }
        _this.hide().replaceWith(replacement).appendTo(replacement);
        var thisListBox = replacement.find('.' + settings.className + '-list');
        var thisListBoxSize = thisListBox.find('.' + settings.className + '-item').length;
        if (thisListBoxSize > settings.listboxMaxSize)
            thisListBoxSize = settings.listboxMaxSize;
        if (thisListBoxSize == 0)
            thisListBoxSize = 1;

        /*			
        var thisListBoxWidth = Math.round(_this.width() + 5);
        if(jQuery.browser.safari)
        thisListBoxWidth = thisListBoxWidth * 0.94;
        replacement.css('width', thisListBoxWidth + 'px');
        thisListBox.css({
        width: Math.round(thisListBoxWidth-5) + 'px',
        height: thisListBoxSize + 'em'
        });
        */
        thisListBoxSize = thisListBoxSize * 18;
        thisListBox.css({ height: thisListBoxSize + 'px' });
    });
}
jQuery.fn.unselectbox = function() {
    var commonClass = 'jquery-custom-selectboxes-replaced';
    return this.each(function() {
        var selectToRemove = jQuery(this).filter('.' + commonClass);
        selectToRemove.replaceWith(selectToRemove.find('select').show());
    });
}